CN105500937A - Printer - Google Patents

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Publication number
CN105500937A
CN105500937A CN201510932552.0A CN201510932552A CN105500937A CN 105500937 A CN105500937 A CN 105500937A CN 201510932552 A CN201510932552 A CN 201510932552A CN 105500937 A CN105500937 A CN 105500937A
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CN
China
Prior art keywords
paper feed
paper
printing
gear
intermediate layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510932552.0A
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Chinese (zh)
Other versions
CN105500937B (en
Inventor
许渊智
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
B&B Exporting Ltd
Original Assignee
B&B Exporting Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by B&B Exporting Ltd filed Critical B&B Exporting Ltd
Priority to CN201510932552.0A priority Critical patent/CN105500937B/en
Publication of CN105500937A publication Critical patent/CN105500937A/en
Application granted granted Critical
Publication of CN105500937B publication Critical patent/CN105500937B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
    • B41J15/18—Multiple web-feeding apparatus

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  • Handling Of Sheets (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)

Abstract

The invention relates to a printer which comprises a rack, wherein two paper feeding channels, namely a first paper feeding channel and a second paper feeding channel, are formed in the rack; the rack comprises a panel layer, a middle layer and a machine base; the middle layer is positioned below the panel layer; the first paper feeding channel is formed between the panel layer and the middle layer; the machine base is positioned below the middle layer; the second paper feeding channel is formed between the middle layer and the machine base; a printing head is arranged on the rack; the first paper feeding channel and the second paper feeding channel are butted with the printing head; and the panel layer is detachably mounted on the machine base and the middle layer is detachably mounted on the panel layer or the machine base, or the panel layer is detachably mounted on the middle layer and the middle layer is detachably mounted on the machine base. By switching the paper feeding channels, multitask printing can be carried out, and the printing efficiency can be improved. When a failure occurs, the panel layer and middle layer can be dismounted because the panel layer and the middle layer are detachably connected with the machine base, and the maintenance or debugging is convenient.

Description

Printer
Technical field
The invention belongs to printing, print field, be specifically related to a kind of printer.
Background technology
Adopt the printer of drum printing paper, generally can only install a volume printing paper, the printing paper more renewed again after paper to be printed is finished, printing effect is low, and can only print current printing paper, print out task is single, printer poor for applicability.
Summary of the invention
Based on this, the invention reside in the defect overcoming prior art, provide a kind of printer, can use multiple printing paper, service efficiency is high.
Its technical scheme is as follows:
A kind of printer, comprise: frame, described frame is provided with two paper feed passages, and comprise the first paper feed passage and the second paper feed passage, frame comprises panel layer, intermediate layer, support, intermediate layer is positioned at below panel layer, be described first paper feed passage between panel layer and intermediate layer, support is positioned at below intermediate layer, is described second paper feed passage between intermediate layer and support, frame is provided with printhead, and the first paper feed passage and the second paper feed passage dock with printhead respectively; Wherein, panel layer is removably installed on support, and intermediate layer is removably installed on panel layer or support; Or panel layer is removably installed on intermediate layer, and intermediate layer is removably installed on support.
Wherein in an embodiment, described support is provided with slide rail, and described panel layer and described intermediate layer are installed on described slide rail, and described panel layer and described support are slidably matched, and described intermediate layer and described support are slidably matched.
Wherein in an embodiment, described slide rail is shaft-like, the first end of described slide rail is installed on described panel layer, the first slide opening that described support is provided with accommodating cavity and is communicated with described accommodating cavity, second end of described slide rail stretches in described accommodating cavity through described first slide opening, and described slide rail and described support are slidably matched.
Wherein in an embodiment, described intermediate layer is provided with the second slide opening, and described slide rail is through described second slide opening, and described intermediate layer and described slide rail are slidably matched.
Wherein in an embodiment, the inwall of described accommodating cavity is provided with the first buckle, and described first buckle is positioned at the edge of described first slide opening, and the second end of described slide rail is provided with the second buckle, and described first buckle matches with described second buckle.
Wherein in an embodiment, described intermediate layer is provided with that first suppresses hole, the first elastomer and first suppresses body, described first suppresses body and described first elastomer is installed on described first and suppresses in hole, described first elastomeric one end is docked with described intermediate layer and the other end and described first suppresses body docks, and described first suppresses body stretches out from described first opening suppressing hole at least partly; Or, on described panel layer, or/and described support is provided with, second suppresses hole, the second elastomer and second suppresses body, described second suppresses body and described second elastomer is installed on described second and suppresses in hole, described second elastomeric one end is docked with described panel layer and the other end and described second suppresses body docks, and described second suppresses body stretches out from described second opening suppressing hole at least partly.
Wherein in an embodiment, in the middle of described intermediate layer and described support, one of them is provided with the first buckle, and another is provided with the first buckle hanging unit, and described first buckle and described first buckle hanging unit removably fasten; Or/and in the middle of described intermediate layer and described panel layer, one of them is provided with the second buckle, and another is provided with the second buckle hanging unit, and described second buckle and described second buckle hanging unit removably fasten.
Wherein in an embodiment, also comprise governor circuit, described governor circuit is installed on described support or described panel layer, in the middle of described support or described panel layer, one of them is provided with safety switch, and another is provided with press section, and described safety switch and described governor circuit are electrically connected, when described panel layer slides into primary importance, described press section abuts described safety switch.
Wherein in an embodiment, described panel layer is provided with printhead, described support is provided with the printing pressure roller with described printhead corresponding matching, the side surface of described printing pressure roller is the conveyor surface of printing paper, the outlet of described first paper feed passage and described second paper feed passage is mated with described conveyor surface respectively, and described first paper feed passage and described second paper feed passage dock with described printhead respectively by described printing pressure roller.
Wherein in an embodiment, described intermediate layer offers and prints pressure roller groove, described printing pressure roller groove is corresponding with described printhead, and described printing pressure roller is installed on described printing pressure roller groove place.
Wherein in an embodiment, described intermediate layer is at least two, be additional paper feed passage between adjacent two intermediate layers, the outlet of described additional paper feed passage is mated with described conveyor surface, and described additional paper feed passage is docked with described printhead by described printing pressure roller.
Wherein in an embodiment, the cross section in described intermediate layer is wedge shape, and wedge shape is top towards described printing pressure roller, and the outlet of described first paper feed passage and the outlet of described second paper feed passage approach.
Wherein in an embodiment, also comprise: be arranged at the printing transmission mechanism cooperatively interacted, paper feed transmission mechanism and the paper feed switching mechanism in described frame; The printing gear train that described printing transmission mechanism comprises the first drive motors be arranged in described frame, is connected with described first drive motors; Described paper feed transmission mechanism comprises the paper feed gear train be connected with described first drive motors, and at least two the paper feed driving mechanisms corresponding with described paper feed gear train; The oscillation switching mechanism that described paper feed switching mechanism comprises the second drive motors be arranged in described frame, is connected with described second drive motors, described oscillation switching mechanism and described paper feed driving mechanism and paper feed gear train corresponding matching.
Wherein in an embodiment, described paper feed transmission mechanism also includes the first paper feed driving mechanism corresponding with described paper feed gear train and the second paper feed driving mechanism; Described paper feed switching mechanism also includes the swing change gear be connected with described oscillation switching mechanism, described swing change gear engages with described paper feed gear train, simultaneously described swing change gear and described first paper feed driving mechanism or described second paper feed driving mechanism is corresponding connects.
Wherein in an embodiment, described oscillation switching mechanism comprises the train of reduction gears be connected with described second drive motors, the toggle be connected with described train of reduction gears, described toggle is connected with described swing change gear, and described swing change gear is slidably connected in described frame.
Wherein in an embodiment, described toggle comprises the location rocking handle be fixed in described train of reduction gears, first rocking arm hinged with described location rocking handle, second rocking arm hinged with described first rocking arm, and described second rocking arm is connected in described swing change gear.
Wherein in an embodiment, described oscillation switching mechanism also comprises the switching stroke sheet be fixed in described frame, what one end and described location rocking handle fixed that the other end is connected with described train of reduction gears suppresses fixed structure, and be arranged in described switching stroke sheet center and with the described bearing assembly suppressing fixed structure and be connected.
Wherein in an embodiment, described in suppress fixed mechanism and comprise the stationary housing fixing with described location rocking handle, be arranged at the elastic component in described stationary housing, be connected with described elastic component and protrude from the ball of described stationary housing; Described switching stroke sheet surface is provided with one section of recessed slideway of arc, and the recessed slideway two ends of described arc are respectively arranged with two detents, and described ball is arranged in described recessed slideway or detent.
Wherein in an embodiment, described paper feed gear train comprises that the paper feed be connected with described first drive motors drives transition gear, the paper feed that drives transition gear to engage with described paper feed drives synchromesh gear, and described paper feed drives synchromesh gear to engage with described swing change gear; Described second one end and described first rocking arm hinged, be connected with described swing change gear in the middle part of described second rocking arm, and the described second rocking arm other end and described paper feed drive synchromesh gear to fix.
Wherein in an embodiment, the first paper feed synchromesh gear that described first paper feed driving mechanism comprises the first paper feed pressure roller be arranged in described frame, is connected with described first paper feed pressure roller, described first paper feed synchromesh gear is corresponding with described paper feed gear train; The second paper feed synchromesh gear that described second paper feed driving mechanism comprises the second paper feed pressure roller be arranged in described frame, is connected with described second paper feed pressure roller, described second paper feed synchromesh gear is corresponding with described paper feed gear train; Described swing change gear engages with described paper feed gear train, simultaneously described swing change gear and described first paper feed synchromesh gear or described second paper feed synchromesh gear is corresponding engages.
Wherein in an embodiment, described first paper feed drive roll, described first paper feed driven voller, described second paper feed drive roll, described second paper feed driven voller include roller core and are set around the multistage rubber roll body on roller core.
Wherein in an embodiment, the two ends of described first paper feed driven voller and described second paper feed driven voller are all arranged with circular ball bearing, and described intermediate plate and body plate both sides are provided with the circular arc bearing groove installing described ball bearing.
Wherein in an embodiment, described printing transmission mechanism also includes the printing synchromesh gear engaged with described printing gear train and the printing pressure roller be connected with described printing synchromesh gear.
Wherein in an embodiment, described frame is provided with at least two locating parts, described support is provided with the printing pressure roller with described printhead corresponding matching, be print zone between described printing pressure roller and described printhead, two described locating parts lay respectively at the outlet both sides of described print zone, and printing paper is page orientation through described print zone from the outlet of described print zone direction out.
Wherein in an embodiment, on described page orientation, the first end of described locating part is positioned at the upstream of the second end of described locating part, second end of described locating part is provided with and moves back paper guide part, the described side of paper guide part towards the outlet of described print zone of moving back is for moving back paper spigot surface, the described paper spigot surface that moves back is obliquely installed relative to described page orientation, move back between paper spigot surface and form horn mouth, and bell-mouthed width increases gradually along described page orientation described on two described locating parts; Or, the first end of described locating part is provided with paper feed guide part, described paper feed guide part is paper feed spigot surface towards the side of the outlet of described print zone, described paper feed spigot surface is obliquely installed relative to described page orientation, form horn mouth between described paper feed spigot surface on two described locating parts, and bell-mouthed width reduces gradually along described page orientation.
Wherein in an embodiment, described printhead is positioned at the top of described support, and described locating part is installed on the upper surface of described support, and the top of described locating part has spacing pressing plate, and described spacing pressing plate stretches into the top of the outlet of described print zone.
Wherein in an embodiment, on described page orientation, the first end of described spacing pressing plate is positioned at the upstream of the second end of described spacing pressing plate, second end of described spacing pressing plate is provided with and moves back paper and to barocline portion, to barocline face for moving back paper in described the barocline bottom in portion of paper of moving back, described paper face of baroclining of moving back is obliquely installed relative to described page orientation, described in move back paper and barocline between face and described support and form horn mouth, and bell-mouthed height increases gradually along described page orientation; Or, the first end of described spacing pressure is provided with paper feed and baroclines portion, the barocline bottom in portion of described paper feed is that paper feed baroclines face, described paper feed face of baroclining is obliquely installed relative to described page orientation, described paper feed baroclines between face and described support and forms horn mouth, and bell-mouthed height reduces gradually along described page orientation.
Wherein in an embodiment, in the middle of at least two described locating parts, comprise symmetrically arranged first locating part and the second locating part, the first tooth bar be connected with described first locating part, the second tooth bar be connected with described second locating part, and the travelling gear simultaneously engaged with described first tooth bar and the second tooth bar, the both sides of described travelling gear are located at by described first tooth bar and the second tooth bar; Also comprise the nut-screw mechanism be connected on described first locating part or the second locating part.
Wherein in an embodiment, described nut-screw mechanism comprises the nut be connected on described first locating part or the second locating part, and the screw rod be arranged on described nut, described screw rod and described first tooth bar or the second tooth bar keeping parallelism, described screw rod end is provided with knob.
Wherein in an embodiment, described support is provided with stamp pad, described stamp pad offers stopper slot, described first locating part and the second locating part all slide and are arranged in above described stopper slot, and described first tooth bar, the second tooth bar and nut-screw mechanism are all positioned at below described stopper slot, and described nut-screw mechanism one end stretches out in described stamp pad.
Wherein in an embodiment, in the middle of the bottom surface of described panel layer, the end face in described intermediate layer, the bottom surface in described intermediate layer and the end face of described support, one of them face be provided with at least two side by side lead paper fin, described in cause the page orientation of the length direction of fin and corresponding described paper feed passage to match.
Wherein in an embodiment, also comprise dynamic at least one spool be connected in described frame; Described frame comprises symmetrically arranged two side plates, and each described side plate interior sides is provided with at least one side plate Access Division, and the side plate Access Division on two described side plates is in correspondence; Each described spool comprises cylindric axis body, and is arranged at the spool Access Division at described axis body two ends respectively, and two described spool Access Divisions respectively with the described side plate Access Division activity clamping on two described side plates.
Wherein in an embodiment, described side plate Access Division comprises the side plate guide groove that the outstanding frame be arranged on described side plate is formed, and be provided with side plate projection or depressed side board, and described side plate guide groove is provided with grooves being open in described side plate guide groove; Described spool Access Division is provided with spool depression or spool projection, and the protruding corresponding clamping of described side plate or the protruding clamping corresponding to described depressed side board of described spool of described spool depression.
Wherein in an embodiment, described spool comprises: axis body, at least two positioning elements and at least two elastic components, positioning element is installed on axis body slidably, elastic component coordinates with positioning element one_to_one corresponding, one end of elastic component is installed on corresponding positioning element, and the other end is installed on axis body; Wherein, when positioning element moves to predeterminated position, form reel installation position between two positioning elements, the elastic force of elastic component makes two positioning elements mutually gather.
Wherein in an embodiment, described positioning element comprises slide block and clamp, be installed on described axis body described skid, described slide block is provided with convex, described convex is relative to the lateral projections of described axis body, and described clamp is provided with the first through hole, and described clamp is set in outside described axis body by the first through hole on it, two described clamps, between two described convexes, form described reel installation position between two clamps.
Wherein in an embodiment, described slide block comprises link and at least two elastic arms, and one end of described elastic arm is connected with described link and at least two elastic arms are positioned at the same side of described link, and described convex is located at the outside of described elastic arm.
Wherein in an embodiment, the described convex on described elastic arm is at least two that axially stagger at described axis body.
Wherein in an embodiment, described slide block is two, comprises the first slide block and the second slide block; Described elastic component is two, comprises the first elastic component and the second elastic component; From first end to the second end of described axis body, described first slide block and described second slide block are installed successively, and the link of the link of described first slide block and described second slide block approaches in opposite directions, one end of described first elastic component is installed on the link of described first slide block and the other end is installed on the second end of described rotating shaft, and one end of described second elastic component is installed on the link of described second slide block and the other end is installed on the first end of described rotating shaft.
Wherein in an embodiment, axocoel is provided with in described axis body, described slide block is installed in described axocoel, described axis body is provided with fluting, and described convex stretches out in described fluting, and described axis body comprises the first semiaxis and the second semiaxis, described first semiaxis and described second semiaxis are encircled into described axocoel, described slide block is all installed on the inwall of described first semiaxis, described fluting between described first semiaxis and described second semiaxis, described in.
Wherein in an embodiment, described clamp is provided with the second boss towards the side of described reel installation position, and described second boss is provided with third through-hole, and described first through hole is communicated with described third through-hole, and described axis body is through described third through-hole.
Beneficial effect of the present invention is:
Be provided with at least two paper feed passages, can switch and make paper feed passage, carry out multitask printing, improve printing effect.When a failure occurs, panel layer and intermediate layer and support removably connect, panel layer, intermediate layer are pulled down, paper feed passage is " unpacked " in open state, and vacating space is put into for hand or instrument, can carry out operation and maintenance easily to printer or printing paper, fix a breakdown, when particularly there is paper jam error, paper feed passage is opened and can conveniently observe printing paper state, be easy to get rid of paper jam error; After failture evacuation, just panel layer, intermediate layer are re-installed on support, " are closed " by paper feed passage, can continue to print; Opening of paper feed passage can operate without the need to instrument with closed, easy to use.
Accompanying drawing explanation
Fig. 1 is the overall structure figure of the printer of the embodiment of the present invention;
Fig. 2 is the structure chart one of the first paper feed passage open mode in the embodiment of the present invention;
Fig. 3 is the structure chart two of the first paper feed passage open mode in the embodiment of the present invention;
Fig. 4 is the structure chart one of the second paper feed passage open mode in the embodiment of the present invention;
Fig. 5 is the structure chart two of the second paper feed passage open mode in the embodiment of the present invention;
Fig. 6 is the partial sectional view of the printer of the embodiment of the present invention;
Fig. 7 is the structural representation of the first paper feed passage in the embodiment of the present invention, the second paper feed passage, type channel.
Fig. 8 is the perspective view one of the transmission of printer described in embodiment of the present invention switching device shifter;
Fig. 9 is the perspective view two of the transmission of printer described in embodiment of the present invention switching device shifter;
Figure 10 is the main TV structure schematic diagram of the transmission of printer described in embodiment of the present invention switching device shifter;
Figure 11 is the perspective view after the transmission of printer described in embodiment of the present invention switching device shifter removes frame and gear train cover plate;
Figure 12 is the main TV structure schematic diagram after the transmission of printer described in embodiment of the present invention switching device shifter removes frame and gear train cover plate;
Figure 13 is the steps flow chart schematic diagram of the method for handover control of the transmission of printer described in embodiment of the present invention switching device shifter.
Figure 14 is the panel layer that paper structure led by printer described in the embodiment of the present invention and printer perspective view when opening;
Figure 15 be printer described in the embodiment of the present invention and printer lead paper structure panel layer remove time perspective view;
Figure 16 is the panel layer that paper structure led by printer described in the embodiment of the present invention and printer sectional structure schematic diagram when opening;
Figure 17 is the partial enlarged drawing of the local A of Figure 16.
Figure 18 is the structure chart of support in the embodiment of the present invention;
Figure 19 is the zoomed-in view of A in Figure 18;
Figure 20 is the structure chart of locating part and support in the embodiment of the present invention;
Figure 21 is the sectional view of B-B in Figure 20;
Figure 22 is the sectional view of C-C in Figure 20.
Perspective view when Figure 23 is the removal upper cover of printer paper-feeding described in the embodiment of the present invention;
Figure 24 is the partial structurtes schematic diagram of the local A of Figure 23;
Figure 25 is the partial structurtes schematic diagram of the local B of Figure 23;
Sectional perspective structural representation when Figure 26 is the removal lower part of printer paper-feeding described in the embodiment of the present invention;
Figure 27 is the partial structurtes schematic diagram of the Local C of Figure 26.
Figure 28 is the perspective view one of spool structure in the embodiment of the present invention;
Figure 29 is the perspective view two of spool structure in the embodiment of the present invention;
Figure 30 is the perspective view of the frame of spool structure in the embodiment of the present invention;
Figure 31 is the perspective view of the axis body of spool structure in the embodiment of the present invention.
Figure 32 is the structure chart one of embodiment of the present invention spool;
Figure 33 is the structure chart two of embodiment of the present invention spool;
Figure 34 is the structure chart three of embodiment of the present invention spool;
Figure 35 is the structural representation of embodiment of the present invention spool.
Description of reference numerals:
10, first paper feed passage, 11, second paper feed passage, 12, print zone, 13, panel layer, 14, printhead, 15, second buckle, 16, second suppresses hole, 17, second elastic component, 18, second suppresses body, 19, intermediate layer, 20, second buckle hanging unit, 21, first buckle, 22, support, 23, first buckle hanging unit, 24, first buckle, 25, slide rail, 26, second buckle, 27, print pressure roller, 28, print transmission mechanism, 29, frame, 30, gear train cover plate, 31, first drive motors, 32, first drive motors output gear, 33, print gear train, 34, first prints driving transition gear, 35, second prints driving transition gear, 36, print synchromesh gear, 37, paper feed transmission mechanism, 38, paper feed gear train, 39, paper feed drives transition gear, and 40, paper feed drives synchromesh gear, and 41, paper feed switching mechanism, 42, second drive motors, 43, train of reduction gears, 44, reduction pinion teeth, 45, deceleration gear wheel, 46, suppress fixed structure, 47, toggle, 48, location rocking handle, 49, first rocking arm, 50, second rocking arm, 51, swing change gear, 52, switch stroke sheet, 53, paper roll, 54, first paper advance mechanism, 55, first paper feed drive roll, 56, first paper feed driven voller, 57, first actuator, 58, marking roll actuator, 59, ramp, 60, print pressure roller mating groove, 61, second paper advance mechanism, 62, second paper feed drive roll, 63, second paper feed driven voller, 64, stamp pad, 65, dancing roll, 66, printing paper, 67, locating part, 68, spacing pressing plate, 69, move back paper guide part, 70, paper feed guide part, 71, move back paper to barocline portion, 72, paper feed baroclines portion, and 73, first leads paper fin, 74, stopper slot, 75, stopping means, 76, first tooth bar (or second tooth bar), 77, travelling gear, 78, nut, 79, screw rod, 80, knob, 81, paper feed guide rod, 82, side plate, 83, side plate guide groove, 84, side plate is protruding, and 85, axis body, 86, spool caves in, and 89, clamp, 90, fluting, 91, limit convex, 92, chute, 93, clamp, 94, first boss, 95, spacing scarce, 96, second boss, 97, slide block, 98, link, 99, elastic arm, 100 convexes, 101, reinforcement, 102, slide convex, 103 elastic components, 104, first semiaxis.
Detailed description of the invention
Below the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
As shown in Fig. 1 to 7, printer comprises: frame 29, described frame 29 is provided with two the paper feed passages comprising the first paper feed path 10 and the second paper feed passage 11, frame 29 comprises panel layer 13, intermediate layer 19, support 22, intermediate layer 19 is positioned at below panel layer 13, it is described first paper feed path 10 between panel layer 13 and intermediate layer 19, support 22 is positioned at below intermediate layer 19, it is described second paper feed passage 11 between intermediate layer 19 and support 22, frame 29 is provided with printhead 14, and the first paper feed path 10 and the second paper feed passage 11 dock with printhead 14 respectively; Wherein, panel layer 13 to be removably installed on support 22, and intermediate layer 19 is removably installed on panel layer 13 or support 22; Or panel layer 13 is removably installed on intermediate layer 19, and intermediate layer 19 is removably installed on support 22.
Frame 29 comprises slide rail 25, and support 22 is provided with stamp pad, and panel layer 13 is installed on support 22 by slide rail 25, and panel layer 13 and support 22 are slidably matched, and panel layer 13 has printhead 14; When panel layer 13 slides into primary importance, printhead 14 is positioned at above stamp pad, and printhead 14 approaches stamp pad, forms print zone 12 between printhead 14 and stamp pad; When panel layer 13 slides into the second place, printhead 14 is away from stamp pad.During normal print, make panel layer 13 be positioned at primary importance, in fed printing sheet to print zone 12, carry out normal print; When a failure occurs, sliding surface flaggy 13 to the second place, now printhead 14 is away from described stamp pad, print zone 12 is " unpacked " in open state, vacating space is put into for hand or instrument, can opposite flaggy 13 or stamp pad or printing paper carry out operating or safeguarding easily, fix a breakdown; After failture evacuation, panel layer 13 is slid into primary importance, print zone 12 " closing ", can continue to print; Can open or closed print zone 12 without the need to instrument, easy to operate.Slide rail 25 can be linear pattern also can be shaped form, and when slide rail 25 is linear patterns, panel layer 13 is relative translations with the relative sliding of support 22, and linear pattern slide rail 25 structure is simple; When slide rail 25 is shaped forms, panel layer 13 also overturns except translation with the relative sliding of support 22, produces the effect of similar " renovating ", can expand the space between printhead 14 and stamp pad further, such as slide rail 25 is circular arc, and panel layer 13 opens backward.In the present embodiment, as shown in Figure 6, slide rail 25 is the shaft-like of straight line, the first end of slide rail 25 is installed on panel layer 13, the first slide opening that support 22 is provided with accommodating cavity and is communicated with accommodating cavity, second end of slide rail 25 stretches in accommodating cavity through the first slide opening, and slide rail 25 and support 22 are slidably matched.Slide rail 25 is hidden in accommodating cavity time flat, just exposes when above lifting panel layer 13, reduces the part exposing to printer surface, avoids damaging, and good looking appearance.The inwall of accommodating cavity is provided with the edge that the first buckle 24, first buckle is positioned at the first slide opening, and the second end of slide rail 25 is provided with the second buckle 26, first buckle 24 and matches with the second buckle 26.On when lifting panel layer 13, the first buckle 24 and the second buckle 26 are interlocked, and the position of lock face flaggy 13, prevents panel layer 13 from falling, the safety of protection operating personnel, and prevent panel layer from falling to damaging printer.
Support 22 is also provided with intermediate layer 19, intermediate layer 19 is between panel layer 13 and support 22, it is the first paper feed path 10 between panel layer 13 and intermediate layer 19, be that the second paper feed passage 11, first paper feed path 10 is communicated with print zone 12 respectively with the second paper feed passage 11 between intermediate layer 19 and support 22.First paper feed path 10 and the second paper feed passage 11 can distinguish printing in fed printing sheet to print zone 12, and the two can carry the printing paper of different size or material respectively, improve the versatility of printer, can carry out multitask; Also can be the printing paper of the two same specification of conveying or material, one of them printing paper be as subsequent use, and the printing paper that employing is for subsequent use after another printing paper is finished, improves printing effect.
Panel layer 13 is provided with printhead 14, support 22 is provided with the printing pressure roller 27 with printhead 14 corresponding matching, the side surface printing pressure roller 27 is the conveyor surface of printing paper, the outlet of the first paper feed path 10 and the second paper feed passage 11 is mated with conveyor surface respectively, and the first paper feed path 10 and the second paper feed passage 11 dock with printhead 14 respectively by printing pressure roller 27.The cross section in intermediate layer 19 is wedge shape, and the outlet of the top outlet and the second paper feed passage 11 towards printing pressure roller 27, first paper feed path 10 of wedge shape approaches.Intermediate layer 19 offers and prints pressure roller groove (not shown), print pressure roller groove corresponding with printhead 14, print pressure roller 27 and be installed on described printing pressure roller groove place.
Be communicated with print zone 12 after first paper feed path 10 is communicated with the second paper feed passage 11, and connectivity part approaches printhead 14.When switching to the second paper feed passage 11 from the first paper feed path 10, first paper feed path 10 moves back paper, then the second paper feed passage 11 paper feed, the place that first paper feed path 10 is connected with the second paper feed passage 11 approaches printhead 14, as shown in Figure 7, as long as move back paper in the first paper feed path 10 printing paper to be retreated a less segment distance printing paper just can be made to exit the outlet of the second paper feed passage 11, can two printing paper interferences in anti-retaining paper-paper feed process, cause fault.
Switch when making multiple paper feed passage, the printing paper being originally positioned at print zone 12 is needed to exit print zone 12, again the printing paper in another paper feed passage is sent into print zone 12, because paper feed passage docks with print zone 12 by printing pressure roller 27, only need when moving back paper printing paper to be exited marking roll 27 surface, just exit print zone 12, interference can not be caused to the paper feed of another paper feed passage, prevent the printing paper of two passages from mutually interfering and cause paperboard, the carrying out that impact prints.So, can switch smoothly and use different print zones to perform different print out task, improve printing effect.
Be not limited to the present embodiment, can be that intermediate layer 19 is at least two, intermediate layer 19 be stacked between panel layer 13 and support 22, forms additional paper feed passage between adjacent two intermediate layers 19, and additional paper feed passage is communicated with print zone 12.In additional paper feed passage, fed printing sheet prints, and improves versatility and the service efficiency of printer further.Intermediate layer 19 is provided with the second slide opening, and slide rail 25 is through the second slide opening, and intermediate layer 19 and slide rail 25 are slidably matched.When on lift panel layer 13 after, the first paper feed path 10 and print zone 12 are opened, intermediate layer 19 of now can sliding, and open the second paper feed passage 11, convenient get rid of the fault occurred in the first paper feed path 10 or in the second paper feed passage 11.Be not limited thereto, after lifting panel layer 13 on also can being, the second paper feed passage 11 and print zone 12 are opened, then slip intermediate layer 19, open the second paper feed passage 11.
In the middle of intermediate layer 19 and support 22, one of them is provided with the first buckle 21, and another is provided with the first buckle hanging unit 23, first buckle 21 and the first buckle hanging unit 23 removably fastens; Or/and in the middle of intermediate layer 19 and panel layer 13, one of them is provided with the second buckle 15, and another is provided with the second buckle hanging unit 20, second buckle 15 and the second buckle hanging unit 20 removably fastens.Detachably install between panel layer 13, intermediate layer 19, support 22, during normal print, panel layer 13 and intermediate layer 19 are fixed, prevent mobile, ensure print quality.In the present embodiment, as shown in Fig. 3,5, intermediate layer 19 is provided with the first buckle 21, and support 22 is provided with the first buckle hanging unit 23, and panel layer 13 is provided with the second buckle 15, and intermediate layer 19 is provided with the second buckle hanging unit 20.Intermediate layer 19 is provided with that first suppresses hole, the first elastomer and first suppresses body, first suppresses body and the first elastomer is installed on first and suppresses in hole, first elastomeric one end is docked with intermediate layer 19 and the other end and first suppresses body docks, and first suppresses the opening that body suppresses hole from first at least partly stretches out.When first opening suppressing hole is towards support 22, open the first buckle 21 and the first buckle hanging unit 23, under the elastic force of the first elastic component, first suppresses body by intermediate layer 19 and support 22 separately, when first opening suppressing hole is towards panel layer 13, open the second buckle 15 and the second buckle hanging unit 20, under the elastic force of the first elastic component, first suppresses body by intermediate layer 19 and panel layer 13 separately, facilitates staff sliding surface flaggy 13 or intermediate layer 19.
As shown in Figure 2, or/and support 22 is provided with second suppresses hole 16, second elastomer and second and suppress body 18 on panel layer 13, second suppresses body 18 and the second elastomer is installed on second and suppresses in hole 16, second elastomeric one end is docked with panel layer 13 and the other end and second suppresses body 18 docks, and second suppresses body 18 stretches out from the second opening suppressing hole 16 at least partly.Panel layer 13 is provided with second and suppresses hole 16, when second elastomer and second suppresses body 18, second suppresses the opening in hole 16 towards intermediate layer 19, open the second buckle 15 and the second buckle hanging unit 20, under the elastic force of the second elastic component 17, second suppresses body 18 by intermediate layer 19 and panel layer 13 separately, support 22 is provided with second and suppresses hole 16, when second elastomer and second suppresses body 18, second suppresses the opening in hole 16 towards intermediate layer 19, open the first buckle 21 and the first buckle hanging unit 23, under the elastic force of the second elastic component 17, second suppresses body 18 by intermediate layer 19 and support 22 separately, facilitate staff sliding surface flaggy 13 or intermediate layer 19.
Printer also comprises governor circuit, governor circuit is installed on support 22 or panel layer 13, in the middle of support 22 or panel layer 13, one of them is provided with safety switch, another is provided with press section, safety switch and governor circuit are electrically connected, and when panel layer 13 slides into primary importance, press section abuts safety switch.Only have when panel layer 13 is positioned at primary importance, press section touch-safe switch, governor circuit allows to perform print out task, if panel layer 13 is positioned at the second place, press section does not abut to safety switch, governor circuit forced interruption print out task.Perform print out task when preventing panel layer 13 to be positioned at the second place, protection personal safety, also avoids printer to damage.Governor circuit, press section, safety switch do not illustrate in the drawings.
Printer also comprises transmission switching device shifter, and transmission switching device shifter comprises: be arranged at the printing transmission mechanism 28 cooperatively interacted, paper feed transmission mechanism 37 and the paper feed switching mechanism 41 in frame 29.By paper feed switching mechanism 41, paper feed transmission mechanism 37 can be switched, printing transmission mechanism 28 is connected from different paper feed passages, realize that conveying is carried out to different paper rolls and print.Arrange in printer and print transmission mechanism 28, paper feed transmission mechanism 37 and paper feed switching mechanism 41, controlled by independently paper feed switching mechanism 41 and ensured the changeable selection of paper feed passage of paper feed transmission mechanism 37, and do not affect paper feed normal operation.
And, as shown in Fig. 9 to Figure 12, the printing gear train 33 that above-mentioned printing transmission mechanism 28 comprises the first drive motors 31 be arranged in frame 29, is connected with the first drive motors 31.Paper feed transmission mechanism 37 comprises the paper feed gear train 38 be connected with the first drive motors 31.The oscillation switching mechanism (not indicating in figure) that paper feed switching mechanism 41 comprises the second drive motors 42 be arranged in frame 29, is connected with the second drive motors 42, oscillation switching mechanism and paper feed gear train 38 corresponding matching.The first drive motors 31 printing transmission mechanism 28 drives printing gear train 33 and paper feed gear train 38 to operate, and the printing paper on paper roll can be driven to the printhead supply printing paper of printer.
And, at least two paper rolls and at least two corresponding with it paper feed driving mechanisms can be set, respectively to printhead paper supply, thus the printing of many paper rolls paper supply can be realized.And, when needs use one of them paper feed driving mechanism to carry out paper feeding printing, paper feed switching mechanism 41 can be utilized to carry out the paper feed driving mechanism of automatic switchover selection needs, namely the second drive motors 42 is utilized to drive oscillation switching mechanism, oscillation switching mechanism is made to connect paper feed gear train 38 and the paper feed driving mechanism needing paper feed, make paper feed gear train 38 drive this paper feed driving mechanism to operate, realize utilizing this paper feed driving mechanism to carry out the object of paper feeding printing; And when needs use another paper feed driving mechanism to carry out paper feeding printing, utilize this paper feed switching mechanism 41 to be switched to another paper feed driving mechanism, just can realize utilizing another paper feed driving mechanism to carry out the object of paper feeding printing.Thus automatically arbitrarily can switch and select in many paper rolls paper roll to print, whole handoff procedure is completed automatically by paper feed switching mechanism 41, does not need manually to carry out changing paper roll, convenient and simple.
Particularly, as shown in Figure 11 to Figure 12, above-mentioned paper feed transmission mechanism 37 also can include the first paper feed driving mechanism corresponding with paper feed gear train 38 (not shown in the figures anticipate out) and the second paper feed driving mechanism (not shown in the figures anticipate out), can also comprise more paper feed transmission mechanism.Paper feed switching mechanism 41 also can include the swing change gear 51 be connected with oscillation switching mechanism, swing change gear 51 to engage with paper feed gear train 38, simultaneously swing change gear 51 and the first paper feed driving mechanism or the second paper feed driving mechanism is corresponding connects.By arranging the first paper feed driving mechanism and the second paper feed driving mechanism two paper feed transmission mechanism corresponding with paper feed gear train 38, when needing to utilize the first paper feed driving mechanism to carry out paper feeding printing, just paper feed switching mechanism 41 is switched to the state be connected with the first paper feed driving mechanism; When needs utilize the second paper feed driving mechanism to carry out paper feeding printing, just paper feed switching mechanism 41 is switched to the state be connected with the second paper feed driving mechanism.Particularly, the second drive motors 42 is utilized to drive oscillation switching mechanism exactly, oscillation switching mechanism drives swing change gear 51 to swing, thus swing change gear 51 is connected with the first paper feed driving mechanism or the second paper feed driving mechanism, thus the first paper feed driving mechanism or the second paper feed driving mechanism and paper feed gear train 38 are coupled together, then under the driving of the first drive motors 31, the run-in synchronism printing transmission mechanism 28 and the first paper feed driving mechanism (or second paper feed driving mechanism) can be realized, thus realize utilizing the first paper feed driving mechanism (or second paper feed driving mechanism) to carry out the object of paper feeding printing.
And, above-mentioned oscillation switching mechanism comprises the train of reduction gears 43 be connected with the second drive motors 42, the toggle 47 be connected with train of reduction gears 43, toggle 47 is connected with swing change gear 51, and swing change gear 51 is slidably connected in frame 29.By train of reduction gears 43, second drive motors 42 output speed is reduced to suitable scope, and operated by train of reduction gears 43 driving crank linkage 47, the swing change gear 51 be connected with toggle 47 is swung, thus swing change gear 51 can be swung to another position from a position, namely swingable change gear 51 is switched to the position be connected with the second paper feed driving mechanism from the position be connected with the first paper feed driving mechanism, or the position be connected with the first paper feed driving mechanism is switched to from the position be connected with the second paper feed driving mechanism.And above-mentioned toggle 47 comprises the location rocking handle 48 be fixed in train of reduction gears 43, first Rocker arm 49 hinged with location rocking handle 48, second Rocker arm 50 hinged with the first Rocker arm 49, and the second Rocker arm 50 is connected in swing change gear 51.Train of reduction gears 43 forms the drive source of the toggle 47 that location rocking handle 48, first Rocker arm 49, second Rocker arm 50 is formed, location rocking handle 48 is rotated, thus drive the first Rocker arm 49 and the second Rocker arm 50 to rotate, thus driving the swing change gear 51 fixing with the second Rocker arm 50 to be moved or to slide, the position realized swinging change gear 51 switches.And train of reduction gears 43 can comprise the reduction pinion teeth 44 be connected with the second drive motors 42 output shaft, and the deceleration gear wheel 45 engaged with reduction pinion teeth 44, deceleration gear wheel 45 is fixed with location rocking handle 48.The train of reduction gears that reduction pinion teeth 44 and deceleration gear wheel 45 are formed can be slowed down to the second drive motors 42 output speed, to adapt to swing speed and the angle requirement of toggle 47.
In addition, above-mentioned oscillation switching mechanism 41 also comprises the switching stroke sheet 52 be fixed in frame 29, what one end and location rocking handle 48 fixed that the other end is connected with the deceleration gear wheel 45 of train of reduction gears 43 suppresses fixed structure 46, and be arranged in switching stroke sheet 52 center and with suppress bearing assembly that fixed structure 46 is connected (not shown in the figures anticipate out).Switch stroke sheet 52 by arranging and suppress fixed structure 46, make train of reduction gears 43 drive suppress fixed structure 46 and rotate certain distance on switching stroke sheet 52, thus make and suppress the location rocking handle 48 that fixed structure 46 is connected and rotate certain angle, the angle that toggle 47 is rotated is fixed value, the angle and distance that swing change gear 51 can be made to swing is fixed, thus it is accurately reliable to make swing change gear 51 be connected with the first paper feed driving mechanism or the second paper feed driving mechanism, there will not be connect insecure cause transmission process to occur dockingundocking or Connection Card are waited indefinitely abnormal conditions, can ensure normally accurately to drive the first paper feed driving mechanism or the second paper feed driving mechanism.
Further, the above-mentioned fixed mechanism 46 that suppresses comprises the stationary housing (in figure do not indicate) fixing with location rocking handle 48, be arranged at elastic component in stationary housing (not shown in the figures anticipate out), be connected with elastic component and protrude from the ball (not shown in the figures anticipate out) of stationary housing.Switch stroke sheet 52 surface and be provided with one section of recessed slideway of arc (not shown in the figures anticipate out), the recessed slideway two ends of arc are respectively arranged with two detents (not indicating in figure), and ball is arranged in recessed slideway or detent.Second drive motors 42 drives train of reduction gears 43 to operate, thus drive the stationary housing suppressing fixed mechanism 46 to rotate on switching stroke sheet 52, and in the process of rotating, the ball be connected with elastic component installed in stationary housing slides switching in the recessed slideway of the arc on stroke sheet, when ball moves in detent along with stationary housing, ball is stuck in this detent, stationary housing stops operating, thus the location rocking handle 48 be connected with stationary housing also stops operating, the swing change gear 51 be connected is stopped mobile with toggle 47.Namely can by arranging one section of fixing sliding path switching stroke sheet, swing change gear 51 is rotated according to fixing stroke, thus make the moving process of swing change gear 51 and path accurately reliable, make the handoff procedure of swing change gear 51 and the first paper feed driving mechanism or the second paper feed driving mechanism also precisely reliable.And, one section of fixing arc chute also can be set in frame 29, and swing change gear 51 is arranged in this arc chute, in handoff procedure, swing change gear 51 to slide along this arc chute, make the moving process of swing change gear 51 more accurately reliable, thus make handoff procedure more accurate.
And above-mentioned stationary housing comprises the middle interconnecting piece (not indicating in figure) coordinated with bearing assembly, middle interconnecting piece is fixed with location rocking handle 48, location rocking handle 48 can be set to one with middle interconnecting piece in addition; Also comprise the arc accommodation section (not indicating in figure) be connected with middle interconnecting piece, arc accommodation section also can be set to one with middle interconnecting piece, and arc accommodation section is corresponding with recessed slideway, and elastic component is arranged in arc accommodation section.Stationary housing is arranged at the arc accommodation section that the concave slide groove switched on stroke sheet 52 is corresponding, make stationary housing and switch being slidably connected more precisely reliably of stroke sheet 52, ball is more corresponding with the cooperation of concave slide groove makes the movement of ball more accurate, thus makes the middle interconnecting piece of stationary housing and locate the connection of rotating of rocking handle 48 also more accurately and reliably.In addition, above-mentioned elastic component can be set to spring or shell fragment.
In addition, above-mentioned paper feed gear train 38 comprises that the paper feed be connected with the first drive motors 31 drives transition gear 39, the paper feed that drives transition gear 39 to engage with paper feed drives synchromesh gear 40, and paper feed drives synchromesh gear 40 and swings change gear 51 and engage.And, paper feed drives transition gear 39 also to comprise coaxial paper feed and drives transition pinion and paper feed driving transition gear wheel, paper feed drives synchromesh gear 40 also to comprise paper feed driving synchronous pinion gear and paper feed drives synchronous gear wheel, first drive motors 31 also comprises the first drive motors output gear 32 be connected with motor output shaft, first drive motors output gear 32 and paper feed drive transition gear wheel to engage, paper feed drives transition pinion to drive synchronous gear wheel to engage with paper feed, and paper feed drives synchronous pinion gear to engage with swing change gear 51.By arranging the pattern of coaxial large pinion, the gear of close together being coupled together, makes paper feed gear train 38 overall structure compacter.In addition, second Rocker arm 50 one end and the first Rocker arm 49 hinged, be connected with swing change gear 51 in the middle part of the second Rocker arm 50, and second Rocker arm 50 other end and paper feed drive synchromesh gear 40 (paper feed drives synchronous gear wheel) fixing.In handoff procedure, paper feed drives synchromesh gear 40 to keep the state engaged all the time with swing change gear 51, conveniently utilize the first drive motors 31 to drive paper feed to drive synchromesh gear 40 to operate by the paper feed driving transition gear 39 of paper feed gear train 38, thus drive the first paper feed driving mechanism or the second paper feed driving mechanism and the run-in synchronism of printing transmission mechanism 28 that are connected with swing change gear 51.
And, above-mentioned first paper feed driving mechanism comprises the first paper feed synchromesh gear (not shown in the figures anticipate out) being arranged at the first paper feed pressure roller in frame 29 (not shown in the figures anticipate out), being connected with the first paper feed pressure roller, and the first paper feed synchromesh gear is corresponding with paper feed gear train 38.Second paper feed driving mechanism comprises the second paper feed synchromesh gear (not shown in the figures anticipate out) being arranged at the second paper feed pressure roller in frame 29 (not shown in the figures anticipate out), being connected with the second paper feed pressure roller, and the second paper feed synchromesh gear is corresponding with paper feed gear train 38.Swing change gear 51 to engage with paper feed gear train 38, simultaneously swing change gear 51 and the first paper feed synchromesh gear or the second paper feed synchromesh gear is corresponding engages.Swing change gear 51 to engage with the first paper feed synchromesh gear, thus paper feed gear train 38 is connected with the first paper feed synchromesh gear by swinging change gear 51, namely the first paper feed pressure roller be connected with the first paper feed synchromesh gear is driven to operate by the first drive motors 31, make the first paper feed pressure roller running and print transmission mechanism 28 run-in synchronism, realizing utilizing the first paper feed driving mechanism fed printing sheet to print.In like manner, switched by oscillation switching mechanism and swing change gear 51, swing change gear 51 can be made to engage with the second paper feed synchromesh gear, thus paper feed gear train 38 is connected with the second paper feed synchromesh gear by swinging change gear 51, namely the second letterweight roller be connected with the second paper feed synchromesh gear is driven to operate by the first drive motors 31, make the second paper feed pressure roller running and print transmission mechanism 28 run-in synchronism, realizing utilizing the second paper feed driving mechanism fed printing sheet to print.
In addition, above-mentioned printing transmission mechanism 28 also include with print printing synchromesh gear 36 that gear train 33 engages and with print printing pressure roller that synchromesh gear 36 is connected (not shown in the figures anticipate out).Printing transmission mechanism 28 utilizes the first drive motors 31 to drive the first drive motors output gear 32 and the printing synchromesh gear 36 that engages of printing gear train 33, and drive printing pressure roller to rotate by printing synchromesh gear 36, the run-in synchronism printing pressure roller and the first paper feed pressure roller or the second paper feed pressure roller can be realized, thus can realize well utilizing the first paper feed pressure roller or the second paper feed pressure roller to carry out fed printing sheet.In addition, print gear train 33 also can comprise engage with the first drive motors output gear 32 first print and drive transition gear 34, with first print drive transition gear 34 to engage second print and drive transition gear 35.Further, the first drive motors output gear 32 also comprise engage with the first drive motors output gear 32 first print and drive transition gear wheel, and with first print drive transition gear wheel coaxial first print and drive transition pinion.And second print drive transition gear 35 also to comprise to print with first drive transition pinion to engage second print and drive transition gear wheel, and with second print drive transition gear wheel coaxial second print and drive transition pinion, second prints and drives transition pinion and print synchromesh gear 36 and engages.Like this, printing gear train 33 compact conformation can be made, reduce to take up room.
In addition, printer transmission switching device shifter also comprises the gear train cover plate 30 being covered on and printing outside transmission mechanism 28, paper feed transmission mechanism 37 and paper feed switching mechanism 41.By arranging gear train cover plate 30 structure; can protect printing transmission mechanism 28, paper feed transmission mechanism 37 and paper feed switching mechanism 41; simultaneously also can carry out spacing to the gear structure in each mechanism, prevent from each gear structure from connecting loosening or depart from and affect the transmission effect of gear.
In addition, as shown in figure 13.The present invention also provides the method for handover control that a kind of and above-mentioned printer transmission switching device shifter is corresponding, comprises the steps:
The oscillation switching mechanism of S100, paper feed switching mechanism keeps being connected with the first paper feed driving mechanism of paper feed transmission mechanism 37 and paper feed gear train 38, and paper feed gear train 38 keeps being connected with printing transmission mechanism 28;
S200, controller send paper feeding instruction to the first paper feed driving mechanism of paper feed transmission mechanism 37, to printing transmission mechanism 28 fed printing sheet after the first paper feed driving mechanism receives paper feeding instruction;
S300, controller send switching paper feeding instruction to the oscillation switching mechanism of paper feed switching mechanism 41, the oscillation switching mechanism be connected with the first paper feed driving mechanism receives switching command, disconnect with the connection of the first paper feed driving mechanism and be switched to and be connected with the second paper feed driving mechanism of paper feed transmission mechanism, the second paper feed driving mechanism receives paper feeding instruction to printing transmission mechanism 28 fed printing sheet.
Further, also comprise the steps: in above-mentioned steps S300
S310, controller send switching paper feeding instruction to the oscillation switching mechanism of paper feed switching mechanism 41, the drive motors (i.e. the first drive motors) be connected with printing transmission mechanism 28 and the first paper feed driving mechanism reverses, first paper feed driving mechanism carries out moving back paper action, and printing paper is exited print zone;
Further, step S310 also comprises the steps:
When S311, controller send switching paper feeding order to oscillation switching mechanism, the first paper feed driving mechanism carries out moving back paper, and the first sensing setting element group corresponding with the first paper feed driving mechanism is started working simultaneously;
When S312, the first sensing setting element group sense that printing paper is returned to the paper feed preparation region of the first paper feed passage by the first paper feed driving mechanism, first sensing setting element group prompts for paper feed SBR, the drive motors that controller controls oscillation switching mechanism carries out switching rotation, and drive motors prepares to drive swing change gear to carry out swing and switches.
The printing paper of S43, the first paper feed passage exits print zone and rests on paper feed and prepares behind region, drive motors (i.e. the second drive motors) the driving crank linkage 47 of oscillation switching mechanism rotates, toggle 47 drives swing change gear 51 to swing, swing change gear 51 occur to swing and depart from the connection with the first paper feed driving mechanism, continue to swing and realize being connected with the second paper feed driving mechanism, the second paper feed driving mechanism and printing transmission mechanism 28 coordinate to print zone paper feeding.
And, also comprise the steps: in above-mentioned steps S320
The location rocking bar 48 of drive motors driving crank linkage 47 turns an angle and distance, drive and turn over corresponding angle and distance to the swing change gear 51 that toggle 47 connects, this angle and distance is corresponding with the angle and distance between the first paper feed driving mechanism and the second paper feed driving mechanism.
Further, also comprise the steps: in above-mentioned steps S320
S321, receive the switching command that controller sends, drive motors drives the fixed structure 46 that suppresses be connected with location rocking bar 48 to rotate, the ball suppressing fixed structure 46 skids off from the detent switched stroke sheet 52, and suppresses toggle 47 that fixed structure 46 is connected and drives and swing change gear 51 and depart from and the connection of the first paper feed driving mechanism;
S322, the ball suppressing fixed structure 46 are rolled in another detent along the arc chute switched on stroke sheet 52, with suppress toggle 47 that fixed structure 46 is connected and drive and swing change gear 51 and be connected with the second paper feed driving mechanism, suppressing fixed structure 46 stops slip being fixed by location rocking bar 48, and toggle 47 stops operating and keeps swinging change gear 51 and is fixedly connected with the second paper feed driving mechanism.
Further, also can comprise the steps: above-mentioned steps S300 is follow-up
S400, controller send paper feeding instruction to the second paper feed driving mechanism of paper feed transmission mechanism, after the second paper feed driving mechanism receives paper feeding instruction, the paper feed being arranged in the second paper feed passage are prepared the printing paper in region to the conveying of printing transmission mechanism;
S500, controller send switching paper feeding instruction to the oscillation switching mechanism of paper feed switching mechanism, the oscillation switching mechanism be connected with the second paper feed driving mechanism receives switching command, disconnect with the connection of the second paper feed driving mechanism and be switched to and be connected with the first paper feed driving mechanism of paper feed transmission mechanism, first paper feed driving mechanism receives action after paper feeding instruction, and the paper feed that directly will return to the first paper feed passage in the past prepares the printing paper in region to the conveying of printing transmission mechanism.
Further, also comprise the steps: in above-mentioned steps S500
When S510, controller send switching paper feeding order to oscillation switching mechanism, the second paper feed driving mechanism carries out moving back paper, and the second sensing setting element group corresponding with the second paper feed driving mechanism is started working simultaneously;
When S520, the second sensing setting element group sense that printing paper is returned to the paper feed preparation region of the second paper feed passage by the second paper feed driving mechanism, second sensing setting element group prompts for paper feed SBR, the drive motors that controller controls oscillation switching mechanism carries out switching rotation, drive motors prepares to drive swing change gear to carry out swing and switches, and swing change gear disconnects with the connection of the second paper feed driving mechanism and is switched to and is connected with the first paper feed driving mechanism.
Printer transmission switching device shifter provided by the invention and method for handover control, when printer works, the paper feed drive motors formed by the first drive motors, paper feed gear train and corresponding paper feed pressure roller form paper feed transmission mechanism, and the printing drive motors formed by the first drive motors, printing gear train and printing pressure roller are formed and print transmission mechanism, and paper feed transmission mechanism interdepends again synchronously with printing transmission mechanism is separate, control simple and clear, paper feed moves more reliable; And, paper feed transmission mechanism and printing transmission mechanism are provided separately, make to print transmission mechanism paper feed in print procedure stablize and perform reliable, make paper feed transmission mechanism realize multichannel simultaneously, thus realize multireel axle paper feed and wherein some spool paper feeds can be selected, the conveying of many paper rolls can be realized in printer, and by arranging the automatic switchover that paper feed switching mechanism can realize between each paper roll, meeting different paper roll conveyings and printing requirement; In addition, switching stroke sheet by arranging in paper feed switching mechanism, suppressing fixed structure, realize fixing when suppressing when fixed structure ball is rocked to the detent switching stroke sheet, ensure that switching puts in place and switches accurately, printing paper handoff procedure can be made precisely reliable, be less likely to occur to switch not in place or switch excessive and to cause the situation of handoff failure to ensure to switch rear mechanism stable simultaneously, location rocking handle can not be subject to swinging change gear and chart drive motor (the second drive motors) impact and produce skew.And, in the process of carrying out paper feed switching, the printing paper of the paper feed driving mechanism conveying be switched automatically returns to paper feed and prepares region, but also not exclusively exit paper feed driving mechanism, like this when needing paper feed next time, can directly prepare the printing paper in region and be transported to by being positioned at paper feed and print transmission mechanism place and print, without the need to manually printing paper being encased in paper feed driving mechanism, convenient and simple and improve operating efficiency.
As shown in Figure 14 to Figure 15, printer comprises the printer with multiple paper feed passage be arranged in frame 29 and leads paper structure, paper structure is led by what arrange in printer, multi-channel paper guidance can be realized easily, and the printing paper of derivation is transported to exit slot place prints, realize multi-channel paper guidance convenient and simplely, multiple paper roll 53 can be set in printer simultaneously, and independent conveying is carried out to the printing paper of multiple paper roll 53, and arbitrarily can switch conveying to any paper roll 53, without the need to frequently changing printing paper, improve operating efficiency, ensure that printer steady operation thus ensure that print quality.
As shown in Figure 16 to Figure 17, paper structure led by above-mentioned printer, and panel layer 290 comprises top panel, is arranged at the printhead (not shown in the figures anticipate out) of top panel.Intermediate layer 19 comprises intermediate plate, is arranged at the first paper advance mechanism 54 of intermediate plate.And the printing pressure roller groove be opened on intermediate plate, be installed on and print pressure roller groove place and the printing pressure roller 27 corresponding with printhead.Support 22 comprises body plate, is arranged at the second paper advance mechanism 61, second paper advance mechanism 61 on body plate and printing pressure roller 27 corresponding matching.In addition, also can arrange the 3rd paper advance mechanism, even more paper advance mechanism, formation basic theory is identical with the principle of the second paper advance mechanism 61 with the first paper advance mechanism 54.
The first paper feed passage can be formed between panel layer 290 and intermediate layer 19, the second paper feed passage between intermediate layer 19 and support 22, can be formed, and be provided with the first paper advance mechanism 54 in the first paper feed passage, in the second paper feed passage, be provided with the second paper advance mechanism 61.By two paper advance mechanisms arranged in two paper feed passages, paper conveying can be led respectively to the printing paper on two paper rolls 53 in addition in conjunction with the printing pressure roller 27 that the intermediate plate 19 in intermediate layer is arranged, and utilize the printhead that the panel layer 22 corresponding with the printing pressure roller 27 that intermediate layer 19 is arranged is arranged, print guiding the printing paper of coming.Further, two paper feeds carry out printing paper traction and printing by sharing a printing pressure roller 27, convenient and simple, only need a printing pressure roller 27 and printhead to print different printing papers with regard to realizing.Lead paper structure by what there is the many paper advance mechanisms of multichannel, paper can be led to many printing papers simultaneously print, and can choice for use wherein any printing paper carry out leading paper and print, without the need to frequently changing printing paper, simple to operation.
Further, above-mentioned first paper advance mechanism 54 comprises the first paper feed pressure roller be arranged on intermediate plate, and the first actuator 57 be connected with the first paper feed pressure roller.First actuator 57 drives the first paper feed pressure roller to rotate, and can draw the printing paper be arranged on the first paper feed pressure roller and move.And the first paper feed pressure roller comprises the first paper feed drive roll 55 being arranged at and intermediate plate is connected with the first actuator 57, and the first paper feed driven voller 56 coordinated with the first paper feed drive roll 55.First paper feed driven voller 56 can be arranged on the intermediate layer, also can be arranged on panel layer.First actuator 57 drives the first paper feed drive roll 55 to rotate, printing paper is located between the first paper feed drive roll 55 and the first paper feed driven voller 56, printing paper compresses by the first paper feed driven voller 56, in the process that the first paper feed drive roll 55 rotates, rolled by the occlusion of two rollers, just can by the printing paper that is clamped between the first paper feed drive roll 55 and the first paper feed driven voller 56 with moving, to realize leading paper effect.
And above-mentioned second paper advance mechanism 61 comprises the second paper feed pressure roller be arranged on body plate, and the second actuator be connected with the second paper feed pressure roller (not shown in the figures anticipate out).In like manner, the second actuator drives the second paper feed pressure roller to rotate, and can draw the printing paper be arranged on the second paper feed pressure roller and move.Further, the second paper feed pressure roller comprises the second paper feed drive roll 62 being arranged at and body plate is connected with the second actuator, and the second paper feed driven voller 63 coordinated with the second paper feed drive roll 62.Second paper feed driven voller 63 can be arranged on intermediate layer 19, also can be arranged on support 22.Second actuator is identical with the first paper feed drive roll with above-mentioned first actuator with the action principle of the second paper feed drive roll 62.
And above-mentioned first paper feed drive roll 55, first paper feed driven voller 56, second paper feed drive roll 62, second paper feed driven voller 63 includes roller core (not indicating in figure) and is set around the multistage rubber roll body (not indicating in figure) on roller core.Each drive roll and driven voller all can be arranged to segmentation nick shaped like this, the frictional force between printing paper and roll body can be increased, avoid printing paper to skid, be more easily guided over paper.In addition, drive roll and driven voller are all set to the structure that roller core adds rubber roll body, and roller core is generally metal material, the rigidity of roll body can be kept, and rubber has good elasticity, rubber roll body is directly contacted with printing paper, by printing paper clamping and can not cause damage to printing paper.Further, the first paper feed drive roll 55 comprises the first home roll core, and is set around the multistage first primary elastomeric roll body on the first home roll core.First paper feed driven voller 56 also comprises the first driven roller core, and is set around the driven rubber roll body of multistage first on the first driven roller core, and every section of first primary elastomeric roll body is corresponding with every section of first driven rubber roll body.Second paper feed drive roll 62 comprises the second home roll core, and is set around the multistage second primary elastomeric roll body on the second home roll core.Second paper feed driven voller 63 also comprises the second driven roller core, and is set around the driven rubber roll body of multistage second on the second driven roller core, and every section of second primary elastomeric roll body is corresponding with every section of second driven rubber roll body.Make the corresponding barbed portion of the barbed portion of rubber roll body, roll body part respective roller body divides, and can be clamped by printing paper fully, fully to increase the frictional force between printing paper and roll body.
In addition, body plate is provided with the arc ramp 59 risen gradually to printing pressure roller 27 place, ramp 59 end is provided with arc and prints pressure roller mating groove 60, prints pressure roller 27 part and is arranged in printing pressure roller mating groove 60.By arranging arc ramp 59 on body plate, can ensure that printing paper can up be gone to intermediate plate along ramp 59 and arrange the position printing pressure roller 27, conveniently guiding paper being led to the printing paper in the second paper feed passage.Further, ramp 59 end is provided with the most flash of ramp, and the most flash of ramp is arranged in and prints pressure roller groove.Second paper feed can be carried the printing paper of coming successfully to be transported to through the second paper advance mechanism 61 to print pressure roller 27 place by middle like this, it is reliably smooth and easy to lead paper.
In addition, the two ends of the first paper feed driven voller 56 and the second paper feed driven voller 63 are all arranged with circular ball bearing (not shown in the figures anticipate out), and intermediate plate and body plate both sides are provided with the circular arc bearing groove installing ball bearing.By arranging ball bearing at driven voller two ends, it can be made freely can to rotate under the drive of drive roll.
In addition, the first paper feed drive roll 55 and intermediate plate link position place are provided with the first sliver (not shown in the figures anticipate out), and the second paper feed drive roll 62 and body plate link position place are provided with the second sliver (not shown in the figures anticipate out).By arranging sliver in the junction of roll body and intermediate plate or body plate, the gap shielding between roll body and intermediate plate or body plate being lived, avoids printing paper to be absorbed in crack and cause paperboard.
In addition, the first actuator 57 is set to the first paper feed synchromesh gear, and the second actuator is the second paper feed synchromesh gear.Namely drive the first paper feed pressure roller to rotate by the first paper feed synchromesh gear, drive the second paper feed pressure roller to rotate by the second paper feed synchromesh gear, independently carry out transmission separately, make each paper feed passage paper feed independently convenient.In addition, the drives structure that motor also can be utilized to add gear train formation drives the first actuator and the motion of the second actuator.
Frame 29 or stamp pad 29 are provided with stopping means 75.This stopping means 75 comprises two locating parts, as shown in Figure 18,19, two locating parts 67 lay respectively at the outlet both sides of print zone 12, and the direction from the import of paper feed passage to the outlet of print zone 12 is page orientation, and page orientation is as shown in arrow in Fig. 3 or Fig. 6.The outlet both sides of print zone 12 are respectively provided with a locating part 67, printing paper 66 is pressed page orientation and is sent into print zone printing (i.e. " paper feed "), then send between two locating parts 67, when need by printing paper 66 by page orientation oppositely exit print zone 12 (namely carrying out " moving back paper ") time, make printing paper 66 counter motion to printing paper 66 force, now two locating parts, 67 pairs of printing papers 66 play position-limiting action.Owing to moving back on paper direction, the stress point of printing paper 66 is at front, that locating part 67 is positioned at stress point rear, and printing paper 66 is stretched smooth, avoids paperboard, affects follow-up printing.
Frame be also provided with transport roller and move back paper driving mechanism, move back paper driving mechanism and dock with transport roller, paper feed passage, through the surface of transport roller, moves back paper driving mechanism and makes printing paper 66 to the counter motion of page orientation for driving transport roller.Preferably, moving back paper driving mechanism is dual direction drive mechanism, and this dual direction drive mechanism can drive printing paper 66 by page orientation forward paper feed or oppositely move back paper.
As shown in Figure 20 to 22, on page orientation, the first end of locating part 67 is positioned at the upstream of the second end of locating part 67, second end of locating part 67 is provided with and moves back paper guide part 69, move back the side of paper guide part 69 towards paper feed passage for moving back paper spigot surface, move back paper spigot surface to be obliquely installed relative to page orientation, moving back between paper spigot surface on two locating parts 67 forms horn mouth, and bell-mouthed width increases gradually along page orientation.When moving back paper, moving back paper spigot surface has guiding effect to printing paper 66, preventing printing paper 66 deflection, avoid paperboard.The first end of locating part 67 is provided with paper feed guide part 70, paper feed guide part 70 is paper feed spigot surface towards the side of paper feed passage, paper feed spigot surface is obliquely installed relative to page orientation, form horn mouth between paper feed spigot surface on two locating parts 67, and bell-mouthed width reduces gradually along page orientation.When paper feed, paper feed spigot surface has the effect of guiding to printing paper 66, prevents printing paper 66 deflection, avoids paperboard.
Printhead 14 is positioned at the top of stamp pad 64, and locating part 67 is installed on the upper surface of stamp pad 64, and the top of locating part 67 has spacing pressing plate 68, and spacing pressing plate 68 stretches into the top of paper feed passage.Spacing pressing plate 68 prevents printing paper 66 from tilting, and printing paper 66 is moved smooth and easy.On page orientation, the first end of spacing pressing plate 68 is positioned at the upstream of the second end of spacing pressing plate 68, second end of spacing pressing plate 68 is provided with and moves back paper and to barocline portion 71, move back the barocline bottom in portion 71 of paper to barocline face for moving back paper, move back paper face of baroclining to be obliquely installed relative to page orientation, move back paper to barocline between face and stamp pad 64 and form horn mouth, and bell-mouthed height increases gradually along page orientation.When moving back paper, moving back paper and baroclining in the face of printing paper 66 has the effect of guiding, preventing printing paper 66 deflection, avoid paperboard.The first end of spacing pressure is provided with paper feed and baroclines portion 72, the barocline bottom in portion 72 of paper feed is that paper feed baroclines face, paper feed face of baroclining is obliquely installed relative to page orientation, and paper feed baroclines between face and stamp pad 64 and forms horn mouth, and bell-mouthed height reduces gradually along page orientation.When paper feed, faced by paper feed baroclines, printing paper 66 has the effect of guiding, prevents printing paper 66 deflection, avoids paperboard.
As shown in Figure 3, frame is also provided with dancing roll 65, dancing roll 65 is positioned at the import of paper feed passage; Dancing roll 65 is lower than paper feed passage, and the upper surface that dancing roll 65 walked around by printing paper 66 stretches in paper feed passage; Or dancing roll 65 is higher than paper feed passage, and the lower surface that dancing roll 65 walked around by printing paper 66 stretches in paper feed passage.When printing paper 66 installation site is higher or lower than paper feed channel entrance, printing paper 66 tilts to enter paper feed passage, strong friction can be there is with support 22 or panel layer 13, unbalance stress is easily crooked, in the present embodiment, by the guiding of dancing roll 65, printing paper 66 and paper feed passage is made to keep concordant, printing paper 66 is operated steadily, avoids paperboard.
In the middle of the bottom surface of panel layer, the end face in intermediate layer, the bottom surface in intermediate layer and the end face of support, one of them face be provided with at least two side by side lead paper fin, cause the page orientation of the length direction of fin and corresponding described paper feed passage to match.Lead paper fin to comprise and be arranged at first on stamp pad 64 and lead paper fin 73, be arranged at second of the below of panel layer 13 and lead paper fin, be arranged at the additional of intermediate layer and lead paper fin.Stamp pad 64 is provided with at least two first leading the length direction that paper fin 73, the first leads paper fin 73 and mate with page orientation side by side.The below of panel layer 13 be provided with at least two side by side second lead paper fin, the second length direction of leading paper fin mates with page orientation.Printing paper 66 passes through between panel layer 13 and stamp pad 64, and printing paper 66 and first is led paper fin 73, second and led paper fin and contact, and contact area is little, and resistance is little, can be that printing paper 66 passes through smoothly.First height of leading paper fin 73 two ends is less than the height in the middle part of it, and the second height of leading paper fin two ends is less than the height in the middle part of it, plays the effect of transition when printing paper 66 seesaws, and it is more smooth and easy to be that printing paper 66 runs.Preferably, first leads paper fin 73, second, and to lead the length direction of paper fin parallel with page orientation, adjacent two first to lead between paper fin 73, adjacent two second lead to form between paper fin and coordinate air slot with page orientation, avoid air pressure inequality in printing paper 66 motion process, generation cyclone lead the distortion of paper printing paper, crooked.Additional paper fin of leading is led paper fin 73, second respectively to lead paper fin position corresponding with first.
As shown in Figure 23 to Figure 27, two locating parts being located at outlet both sides, print zone are respectively symmetrically arranged first locating part 67 and the second locating part 67, the first tooth bar 76 be connected with the first locating part 67, the second tooth bar be connected with the second locating part, and the travelling gear 77 simultaneously engaged with the first tooth bar 76 and the second tooth bar.Further, above-mentioned first tooth bar 76 and the second tooth bar are set in parallel in travelling gear 77 both sides, and the first tooth bar 76 and the second tooth bar are symmetrical arranged.Make the first tooth bar 76 and the second tooth bar keep the also close setting of identical length and distance, make compact overall structure be convenient to arrange on a printer, and regulate reliably conveniently.And this stopping means 75 also comprises the nut-screw mechanism be connected on the first locating part 67 or the second locating part.
In addition, stamp pad 64 offers stopper slot 74, first locating part 67 and the second locating part all slide and are arranged in above stopper slot 67, and the first tooth bar 76, second tooth bar and nut-screw mechanism are all positioned at below stopper slot, and nut-screw mechanism one end stretches out in stamp pad 64.First locating part 67 and the second locating part are positioned at above stamp pad 64, are convenient to carry out spacing to the printing paper 66 on stamp pad 64.And the first tooth bar 76, second tooth bar and nut-screw mechanism are all arranged at below the stopper slot 74 of stamp pad 64, be convenient to carry out hiding to these structures arrange, avoid other structures of interfering printer.And, nut-screw mechanism one end is stretched out in outside stamp pad 64, is convenient to regulate stopping means 75 outside printer, simple and convenient.
Above-mentioned stopping means 75, by adjusting nut screw mechanism, the first locating part 67 (or second locating part) be connected with nut-screw mechanism can be driven to move linearly, thus drive and move linearly together with the first tooth bar 76 that the first locating part 67 connects (or the second locating part connect the second tooth bar), the travelling gear 77 now engaged with the first tooth bar 76 (or second tooth bar) rotates, and the second tooth bar (or first tooth bar) simultaneously engaged with travelling gear 77 can be driven to move linearly.Because the first tooth bar 76 and the second tooth bar engage with travelling gear 77 simultaneously, the first tooth bar 76 and the second tooth bar can be made simultaneously to move identical distance, can make move identical distance with the first locating part 67 that the second tooth bar connects with the second locating part with the first tooth bar 76 respectively.The distance between the first locating part 67 and the second locating part can be regulated so easily, easily by spacing for the printing paper of different size live.And because the first locating part 67 and the second locating part are symmetrical arranged, and the two can move identical distance to center or outside, and printing paper 66 can be made to be positioned at middle position all the time.In addition, utilize nut-screw mechanism and gear & rack structure to regulate, degree of regulation is high and reliable.
In addition, above-mentioned nut-screw mechanism comprises the nut 78 be connected on the first locating part 67 or the second locating part, and is arranged in the screw rod 79 on nut 78, screw rod 79 and the first tooth bar 76 or the second tooth bar keeping parallelism.By rotating screw bolt 79, the first locating part 67 of being connected with nut 78 or the second locating part just can be made to move linearly, and drive the first tooth bar 76 or the second tooth bar to move linearly along screw rod 79 setting direction.And screw rod 79 end is provided with knob 80.By arranging knob 80, the rotation of screw rod 79 directly can be adjusted by rotating knob 80, laborsaving convenient and simple.In addition, bearing block can be utilized to be fixed rotationally by screw rod 79.
When printer has multiple paper feed passage, namely have on multiple stamp pad 64, multiple stopping means 75 can be set correspondence.
Be not limited thereto, can also be provided with in the import of paper feed passage the both sides that two locating parts, 67, two locating parts 67 lay respectively at the import of paper feed passage.Be equipped with locating part 67 at the two ends of paper feed passage, printing paper 66 moves under the restriction of locating part 67, and the two ends of printing paper 66 are restrained, makes printing paper 66 keep smooth in paper feed passage, prevents paperboard.And between two spacing 67, paper feed guide rod is set, paper feed guide rod 81 is positioned at the below of spacing pressing plate, paper can press down by paper feed guide rod 81, and spacing pressing plate 68 can carry out further spacing to paper, can prevent from when paper feed, paper turning over and clogging paper feed port.
As shown in Figure 28-31, printer also comprises active card and is connected at least one spool 85 in frame 29.Frame 29 comprises symmetrically arranged two side plates 82, is provided with at least one side plate Access Division inside each side plate 82, and the side plate Access Division on two side plates 82 is in correspondence.Spool comprises axis body, and axis body two ends are provided with spool Access Division, and two spool Access Divisions respectively with the side plate Access Division activity clamping on two side plates 82, spool is provided with coil paper installation position.
By axis body 85 and frame 29 being provided separately, conveniently first coil paper or other coiled strip covers are set on axis body 85, then are installed to by axis body 85 on the side plate 82 of frame 29 both sides, coil paper or coiled strip can be installed on axis body 85 convenient and simplely.And, by arranging side plate Access Division on side plate 82, and axis body Access Division being set in axis body 85 end, axis body 85 can being snapped fit onto between two side plates 82 easily, also can easily axis body 85 be lifted down from side plate 82, easy to use and reliable.An axis body 85 can be set, and the Access Division coordinated with this axis body 85 for a pair is set on two side plates 82, this axis body 85 clamping is lived; Two or more axis body 85 also can be set, and on two side plates 82 correspondence arrange two to or multipair Access Division, by this two or more axis body 85 all clamping live.
And above-mentioned side plate Access Division comprises the side plate guide groove 83 that the outstanding frame be arranged on side plate 82 is formed, be provided with side plate protruding 84 or depressed side board in side plate guide groove 83, and side plate guide groove 83 is provided with grooves being open.Axis body Access Division is provided with axis body depression 86 or axis body projection, axis body the depression 86 and protruding 84 corresponding clampings of side plate or the protruding clamping corresponding to depressed side board of axis body.By arranging side plate guide groove 83, can so that axis body 85 be slided into inside side plate 82 from side plate guide groove 83,86 or axis body male cooperation and the axis body utilizing the side plate in side plate guide groove 83 protruding 84 or depressed side board and axis body end to arrange caves in, be stuck in axis body 85 on side plate and be fixed.
Further, side plate guide groove 83 comprises the guide groove upper side frame section and guide groove lower frame section that be arranged in parallel, and the guide groove arc frame section of connection guide groove upper side frame section and guide groove lower frame section, guide groove arc frame section is relative with grooves being open, and guide groove arc frame section holds with axis body end and coordinates.The side plate guide groove 83 that width size is directly corresponding with axis body 85 is set, is convenient to make axis body 85 be convenient to slip in side plate guide groove 83 along between guide groove upper side frame section and guide groove lower frame section.And by arranging the guide groove arc frame section with axis body 85 corresponding matching, be convenient to the axis body 85 slipped into location to fix.
And side plate protruding 84 or depressed side board can be arranged at guide groove arc frame section center position, and axis body depression 86 or axis body projection also correspondence be arranged at axis body end center point position.Be convenient to center axis body 85 being fixed on side plate guide groove 83 like this, fixing-stable is reliable.In addition, the inner distance between guide groove upper side frame section and guide groove lower frame section is identical with axis body external diameter size.Make axis body 85 and side plate guide groove 83 snap-fit like this, avoid when axis body 85 being slipped into side plate guide groove 83 and being inner, axis body 85 is crossed pine with the combination of side plate guide groove 83 and causes axis body 85 to depart from side plate guide groove 83.
In addition, size and the axis body of side plate protruding 84 or depressed side board cave in 86 or the size of axis body projection identical.Make the fixing more reliable and more stable of axis body 85 and side plate guide groove 83 like this, too pine and departing from can not be combined because the two, also can not can not be in conjunction with because the two does not match.Further, side plate protruding 84 or depressed side board are set to circle, and axis body depression 86 or axis body projection also correspondence are set to circle.When being set to circle, easy to process, clamping is also very convenient.In addition, side plate protruding 84 or depressed side board also can the side's of being set to bar shapeds, and axis body depression 86 or axis body projection also may correspond to the side's of being set to bar shaped, and square bar length is not less than axis body diameter.During setting party's bar shaped, can by tight for the two clamping in process axis body 85 being slipped into side plate guide groove 83, namely in the square bar shaped axis body depression 86 of axis body 85 or the side plate protruding 84 of the protruding side's of the snapping onto bar shaped of axis body or depressed side board.
Axis structure provided by the invention, axis body 85 can be installed to easily in frame 29 or from frame and take off, and facilitates people's hand operated, and convenient from any direction loading coil paper or other coiled strips; And, by arranging Access Division on the side plate 82 and axis body 85 of frame 29, axis body can be securely fixed on side plate 82, avoid axis body 85 to rock and waving.
As shown in Figure 32 to 34, spool also comprises two positioning elements and two elastic components 103, and positioning element is installed on axis body 85 slidably, and elastic component 103 coordinates with positioning element one_to_one corresponding, one end of elastic component 103 is installed on corresponding positioning element, and the other end is installed on axis body 85; When positioning element moves to predeterminated position, form reel installation position between two positioning elements, the elastic force of elastic component 103 makes two positioning elements mutually gather.Wherein, positioning element comprises slide block 97 and clamp 93, slide block 97 is installed on axis body 85 slidably, slide block 97 is provided with convex 100, convex 100 is relative to the lateral projections of axis body 85, and clamp 93 is provided with the first through hole, and clamp 93 is set in outside axis body 85 by the first through hole on it, two clamps 93, between two convexes 100, form reel installation position between two clamps 93.The predeterminated position of positioning element makes to be installed on the printing paper on reel installation position and print head alignment.When positioning element moves to predeterminated position, because the position of clamp 93 on axis body 85 is only subject to the constraint of elastic component 103, under the elastic force effect of two elastic components 103, two clamps 93 are gathered mutually, printing paper is limited on default position by two clamps 93, this position of presetting and print head alignment, can to ensure in print procedure printing paper all the time with print head alignment, ensure printing effect.
Convex 100 at least one side in the middle of axis body 85 two sides is axially provided with transitional slope.Preferably, two sides of convex 100 are equipped with transitional slope, facilitate the installation and removal of clamp 93.
As shown in figure 34, slide block 97 comprises link 98 and at least two elastic arms 99, and one end of elastic arm 99 is connected with link 98 and at least two elastic arms 99 are positioned at the same side of link 98, and the outside of elastic arm 99 is provided with convex 100.Convex 100 on two elastic arms 99 opposing to, when clamp 93 is installed on axis body 85, clamp 93 is blocked by two convexes 100 on same slide block 97 simultaneously, clamp 93 stress equalization, not easily crooked, ensures print quality further.
Convex 100 on elastic arm 99 is at least two that axially stagger at axis body 85.By the convex 100 of axial distribution, clamp 93 position on axis body 85 can be regulated, clamp 93 and the cooperation position of convex 100 can be selected according to the width of printing paper, expand spool to the applicability of different in width printing paper.Slide block 97 also comprises reinforcement 101, and reinforcement 101 is between two elastic arms 99, and one end of reinforcement 101 is installed on one of them elastic arm 99 and the other end is installed on another elastic arm 99.Reinforcement 101 can strengthen intensity between slide block 97 two elastic arms 99 and elastic force, makes the elastic force of elastic arm 99 can clamp clamp 93, and can improve service life.
In the present embodiment, slide block 97 is two, comprises the first slide block 97 and the second slide block 97; Elastic component 103 is two, comprises the first elastic component 103 and the second elastic component 103; From first end to the second end of axis body 85, first slide block 97 and the second slide block 97 is installed successively, and the link 98 of the link 98 of the first slide block 97 and the second slide block 97 approaches in opposite directions, one end of first elastic component 103 is installed on the link 98 of the first slide block 97 and the other end is installed on the second end of rotating shaft, and one end of the second elastic component 103 is installed on the link 98 of the second slide block 97 and the other end is installed on the first end of rotating shaft.
Axis body 85 is provided with limit convex 91, and limit convex 91 is between the link 98 and the link 98 of the second slide block 97 of the first slide block 97.First slide block 97 can be separated with the second slide block 97 and make the two non-interference by limit convex 91.
Be provided with axocoel in axis body 85, slide block 97 is installed in axocoel, and axis body 85 is provided with fluting 90, and convex 100 stretches out in fluting 90.Slide block 97 is provided with and slides convex 102, and the inwall of axocoel is provided with axial chute 92, slides convex 102 to be installed in chute 92; Slide convex 102 and the cooperation of chute 92 make the slip of slide block 97 smooth and easy, ensure printing paper all the time with print head alignment.
As illustrated in figs. 32-34, axis body 85 comprises the first semiaxis 110 and the second semiaxis, and the first semiaxis 110 and the second semiaxis are encircled into axocoel, and slide block 97 is all installed on the inwall of the first semiaxis 110, and fluting 90 is between the first semiaxis 110 and the second semiaxis.After taking the first semiaxis 110 and the second semiaxis apart, slide block 97, elastic component 103 are all installed on the first semiaxis 110, and each part still keeps original installment state, can not scatter, and are easy to safeguard.First semiaxis 110 is connected by screw with the second semiaxis, and the middle part of reinforcement 101 is made a concession recessed to the bending formation of link 98 depression.Make a concession and recessedly can avoid screw, the space that reduction slide block 97 takies, make compact conformation.
As shown in figure 34, the side of clamp 93 reel installation position is dorsad provided with the first boss 94, because clamp 93 is thinner, and the contact surface similar " line " of clamp 93 itself and axis body 85, make clamp 93 expand to become with the contact portion of axis body 85 and contact in " face " by the first boss 94, make stabilized structure.First boss 94 is provided with the second through hole, and the first through hole is communicated with the second through hole, and axis body 85 is through the second through hole, and the inwall of the second through hole is provided with spacing scarce 95.When clamp 93 is installed on axis body 85, convex 100 embeds spacing lacking in 95, avoids clamp 93 to rotate around axis body 85, makes structure more firm.The spacing sidewall lacking 95 through first boss 94 in the present embodiment, but be not limited thereto, as long as the inwall of the second through hole is provided with spacing scarce 95, also can be through.
Be not limited to the present embodiment, can be, spool comprises plural positioning element and elastic component 103, elastic component 103 coordinates with positioning element one_to_one corresponding, two positioning elements and two elastic components 103 are one group, often organize installation printing paper, each group of axially-aligned on axis body 85, an axis body 85 can install multiple printing paper.
Being not limited thereto, also can be as shown in figure 35, and clamp 93 is provided with the second boss 96, second boss 96 towards the side of reel installation position and is provided with third through-hole, and the first through hole is communicated with third through-hole, and axis body 85 is through third through-hole.Due to the thickness of the second boss 96 self, make to form two kinds of reel installation positions between clamp 93, i.e. reel installation position α (printing paper is set on axis body 85) as shown in the figure, reel installation position β (printing paper is set on the second boss 96), wherein the radius of α is less than the radius of β, a kind of axis body 85 can arrange multiple clamp 93, when the through hole radius at printing paper center is inconsistent, corresponding clamp 93 can be selected to be installed on axis body 85, the radius of reel installation position is mated with the radius of printing paper central through hole, ensure printing paper stability of rotation, all the time with print head alignment.Preferably, the outer surface of the second boss 96 can also be set to cone, to be suitable for the printing paper of different size; Can also be provided with multiple boss that be connected, decreasing radius, be suitable for multiple printing paper.
Frame 29 forms paper roll cabin between two side plates 82, frame is also provided with transparent cover, transparent cover is covered on the opening part in paper roll cabin, can be observed the using state of printing paper by transparent cover, and transparent cover also non-paper roll provides the protection of dustproof and waterproof.The import of the first paper feed path 10, the second paper feed passage 11 is communicated with paper roll cabin, the import of the first paper feed path 10, the second paper feed passage 11 covers by transparent cover simultaneously, dustproof and waterproof, and avoid printing paper to receive external interference, ensure carrying out smoothly of printing.
Frame 29 is also provided with inductive antenna circuit plate (RFID) and fixed axis corresponding with it, inductive antenna circuit plate and governor circuit are electrically connected, when printing paper is with (being such as rolled into the label paper of drum) during RF tag, inductive antenna circuit plate can read and write the RF tag on printing paper.
Each technical characteristic of above embodiment can combine arbitrarily, for making description succinct, all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this description is recorded.
Above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (40)

1. a printer, it is characterized in that, comprising: frame, described frame is provided with two paper feed passages, comprise the first paper feed passage and the second paper feed passage, frame comprises panel layer, intermediate layer, support, and intermediate layer is positioned at below panel layer, is described first paper feed passage between panel layer and intermediate layer, support is positioned at below intermediate layer, be described second paper feed passage between intermediate layer and support, frame is provided with printhead, and the first paper feed passage and the second paper feed passage dock with printhead respectively;
Wherein, panel layer is removably installed on support, and intermediate layer is removably installed on panel layer or support; Or panel layer is removably installed on intermediate layer, and intermediate layer is removably installed on support.
2. printer according to claim 1, is characterized in that, described support is provided with slide rail, and described panel layer and described intermediate layer are installed on described slide rail, and described panel layer and described support are slidably matched, and described intermediate layer and described support are slidably matched.
3. printer according to claim 1, it is characterized in that, described slide rail is shaft-like, the first end of described slide rail is installed on described panel layer, the first slide opening that described support is provided with accommodating cavity and is communicated with described accommodating cavity, second end of described slide rail stretches in described accommodating cavity through described first slide opening, and described slide rail and described support are slidably matched.
4. printer according to claim 3, is characterized in that, described intermediate layer is provided with the second slide opening, and described slide rail is through described second slide opening, and described intermediate layer and described slide rail are slidably matched.
5. printer according to claim 3, it is characterized in that, the inwall of described accommodating cavity is provided with the first buckle, and described first buckle is positioned at the edge of described first slide opening, second end of described slide rail is provided with the second buckle, and described first buckle matches with described second buckle.
6. printer according to claim 4, it is characterized in that, described intermediate layer is provided with that first suppresses hole, the first elastomer and first suppresses body, described first suppresses body and described first elastomer is installed on described first and suppresses in hole, described first elastomeric one end is docked with described intermediate layer and the other end and described first suppresses body docks, and described first suppresses body stretches out from described first opening suppressing hole at least partly;
Or, on described panel layer, or/and described support is provided with, second suppresses hole, the second elastomer and second suppresses body, described second suppresses body and described second elastomer is installed on described second and suppresses in hole, described second elastomeric one end is docked with described panel layer and the other end and described second suppresses body docks, and described second suppresses body stretches out from described second opening suppressing hole at least partly.
7. the printer according to any one of claim 1 to 6, is characterized in that, in the middle of described intermediate layer and described support, one of them is provided with the first buckle, and another is provided with the first buckle hanging unit, and described first buckle and described first buckle hanging unit removably fasten; Or/and in the middle of described intermediate layer and described panel layer, one of them is provided with the second buckle, and another is provided with the second buckle hanging unit, and described second buckle and described second buckle hanging unit removably fasten.
8. the printer according to any one of claim 1 to 6, it is characterized in that, also comprise governor circuit, described governor circuit is installed on described support or described panel layer, and in the middle of described support or described panel layer, one of them is provided with safety switch, another is provided with press section, described safety switch and described governor circuit are electrically connected, and when described panel layer slides into primary importance, described press section abuts described safety switch.
9. the printer according to any one of claim 1 to 6, it is characterized in that, described panel layer is provided with printhead, described support is provided with the printing pressure roller with described printhead corresponding matching, the side surface of described printing pressure roller is the conveyor surface of printing paper, the outlet of described first paper feed passage and described second paper feed passage is mated with described conveyor surface respectively, and described first paper feed passage and described second paper feed passage dock with described printhead respectively by described printing pressure roller.
10. printer according to claim 9, is characterized in that, described intermediate layer offers and prints pressure roller groove, described printing pressure roller groove is corresponding with described printhead, and described printing pressure roller is installed on described printing pressure roller groove place.
11. printers according to claim 9, it is characterized in that, described intermediate layer is at least two, it is additional paper feed passage between adjacent two intermediate layers, the outlet of described additional paper feed passage is mated with described conveyor surface, and described additional paper feed passage is docked with described printhead by described printing pressure roller.
12. printers according to claim 9, is characterized in that, the cross section in described intermediate layer is wedge shape, and wedge shape is top towards described printing pressure roller, and the outlet of described first paper feed passage and the outlet of described second paper feed passage approach.
13. printers according to claim 1, is characterized in that, also comprise:
Be arranged at the printing transmission mechanism cooperatively interacted, paper feed transmission mechanism and the paper feed switching mechanism in described frame;
The printing gear train that described printing transmission mechanism comprises the first drive motors be arranged in described frame, is connected with described first drive motors; Described paper feed transmission mechanism comprises the paper feed gear train be connected with described first drive motors, and at least two the paper feed driving mechanisms corresponding with described paper feed gear train;
The oscillation switching mechanism that described paper feed switching mechanism comprises the second drive motors be arranged in described frame, is connected with described second drive motors, described oscillation switching mechanism and described paper feed driving mechanism and paper feed gear train corresponding matching.
14. printers according to claim 13, is characterized in that, described paper feed transmission mechanism also includes the first paper feed driving mechanism corresponding with described paper feed gear train and the second paper feed driving mechanism;
Described paper feed switching mechanism also includes the swing change gear be connected with described oscillation switching mechanism, described swing change gear engages with described paper feed gear train, simultaneously described swing change gear and described first paper feed driving mechanism or described second paper feed driving mechanism is corresponding connects.
15. according to printer described in claim 14, it is characterized in that, described oscillation switching mechanism comprises the train of reduction gears be connected with described second drive motors, the toggle be connected with described train of reduction gears, described toggle is connected with described swing change gear, and described swing change gear is slidably connected in described frame.
16. according to printer described in claim 15, it is characterized in that, described toggle comprises the location rocking handle be fixed in described train of reduction gears, first rocking arm hinged with described location rocking handle, second rocking arm hinged with described first rocking arm, and described second rocking arm is connected in described swing change gear.
17. according to printer described in claim 16, it is characterized in that, described oscillation switching mechanism also comprises the switching stroke sheet be fixed in described frame, what one end and described location rocking handle fixed that the other end is connected with described train of reduction gears suppresses fixed structure, and be arranged in described switching stroke sheet center and with the described bearing assembly suppressing fixed structure and be connected.
18. according to printer described in claim 17, it is characterized in that, the described fixed mechanism that suppresses comprises the stationary housing fixing with described location rocking handle, is arranged at the elastic component in described stationary housing, is connected and protrudes from the ball of described stationary housing with described elastic component;
Described switching stroke sheet surface is provided with one section of recessed slideway of arc, and the recessed slideway two ends of described arc are respectively arranged with two detents, and described ball is arranged in described recessed slideway or detent.
19. according to printer described in claim 16, it is characterized in that, described paper feed gear train comprises that the paper feed be connected with described first drive motors drives transition gear, the paper feed that drives transition gear to engage with described paper feed drives synchromesh gear, and described paper feed drives synchromesh gear to engage with described swing change gear;
Described second one end and described first rocking arm hinged, be connected with described swing change gear in the middle part of described second rocking arm, and the described second rocking arm other end and described paper feed drive synchromesh gear to fix.
20. according to claim 13 to printer described in 19 any one, it is characterized in that, the first paper feed synchromesh gear that described first paper feed driving mechanism comprises the first paper feed pressure roller be arranged in described frame, is connected with described first paper feed pressure roller, described first paper feed synchromesh gear is corresponding with described paper feed gear train;
The second paper feed synchromesh gear that described second paper feed driving mechanism comprises the second paper feed pressure roller be arranged in described frame, is connected with described second paper feed pressure roller, described second paper feed synchromesh gear is corresponding with described paper feed gear train;
Described swing change gear engages with described paper feed gear train, simultaneously described swing change gear and described first paper feed synchromesh gear or described second paper feed synchromesh gear is corresponding engages.
21. according to printer described in claim 20, be further characterized in that, described first paper feed drive roll, described first paper feed driven voller, described second paper feed drive roll, described second paper feed driven voller include roller core and are set around the multistage rubber roll body on roller core.
22. according to printer described in claim 20, be further characterized in that, the two ends of described first paper feed driven voller and described second paper feed driven voller are all arranged with circular ball bearing, and described intermediate plate and body plate both sides are provided with the circular arc bearing groove installing described ball bearing.
23., according to printer described in claim 20, are further characterized in that, described printing transmission mechanism also includes the printing synchromesh gear engaged with described printing gear train and the printing pressure roller be connected with described printing synchromesh gear.
24. printers according to claim 1, be further characterized in that, described frame is provided with at least two locating parts, described support is provided with the printing pressure roller with described printhead corresponding matching, be print zone between described printing pressure roller and described printhead, two described locating parts lay respectively at the outlet both sides of described print zone, and printing paper is page orientation through described print zone from the outlet of described print zone direction out.
25. printers according to claim 24, it is characterized in that, on described page orientation, the first end of described locating part is positioned at the upstream of the second end of described locating part, second end of described locating part is provided with and moves back paper guide part, the described side of paper guide part towards the outlet of described print zone of moving back is for moving back paper spigot surface, the described paper spigot surface that moves back is obliquely installed relative to described page orientation, move back described on two described locating parts between paper spigot surface and form horn mouth, and bell-mouthed width increases gradually along described page orientation;
Or, the first end of described locating part is provided with paper feed guide part, described paper feed guide part is paper feed spigot surface towards the side of the outlet of described print zone, described paper feed spigot surface is obliquely installed relative to described page orientation, form horn mouth between described paper feed spigot surface on two described locating parts, and bell-mouthed width reduces gradually along described page orientation.
26. printers according to claim 24, it is characterized in that, described printhead is positioned at the top of described support, and described locating part is installed on the upper surface of described support, the top of described locating part has spacing pressing plate, and described spacing pressing plate stretches into the top of the outlet of described print zone.
27. printers stated according to claim 26, it is characterized in that, on described page orientation, the first end of described spacing pressing plate is positioned at the upstream of the second end of described spacing pressing plate, second end of described spacing pressing plate is provided with and moves back paper and to barocline portion, described in move back the barocline bottom in portion of paper and to barocline face for moving back paper, described in move back paper face of baroclining and be obliquely installed relative to described page orientation, the described paper that moves back baroclines between face and described support and forms horn mouth, and bell-mouthed height increases gradually along described page orientation;
Or, the first end of described spacing pressure is provided with paper feed and baroclines portion, the barocline bottom in portion of described paper feed is that paper feed baroclines face, described paper feed face of baroclining is obliquely installed relative to described page orientation, described paper feed baroclines between face and described support and forms horn mouth, and bell-mouthed height reduces gradually along described page orientation.
28. printers stated according to claim 24, it is characterized in that, in the middle of at least two described locating parts, comprise symmetrically arranged first locating part and the second locating part, the first tooth bar be connected with described first locating part, the second tooth bar be connected with described second locating part, and the travelling gear simultaneously engaged with described first tooth bar and the second tooth bar, the both sides of described travelling gear are located at by described first tooth bar and the second tooth bar;
Also comprise the nut-screw mechanism be connected on described first locating part or the second locating part.
29. according to printer described in claim 28, be further characterized in that, described nut-screw mechanism comprises the nut be connected on described first locating part or the second locating part, and the screw rod be arranged on described nut, described screw rod and described first tooth bar or the second tooth bar keeping parallelism, described screw rod end is provided with knob.
30. printers according to claim 1, be further characterized in that, described support is provided with stamp pad, described stamp pad offers stopper slot, described first locating part and the second locating part all slide and are arranged in above described stopper slot, and described first tooth bar, the second tooth bar and nut-screw mechanism are all positioned at below described stopper slot, and described nut-screw mechanism one end stretches out in described stamp pad.
31. printers according to any one of claim 24 to 30, it is characterized in that, in the middle of the bottom surface of described panel layer, the end face in described intermediate layer, the bottom surface in described intermediate layer and the end face of described support, one of them face be provided with at least two side by side lead paper fin, described in cause the page orientation of the length direction of fin and corresponding described paper feed passage to match.
32. printers according to claim 1, is characterized in that, also comprise dynamic at least one spool be connected in described frame;
Described frame comprises symmetrically arranged two side plates, and each described side plate interior sides is provided with at least one side plate Access Division, and the side plate Access Division on two described side plates is in correspondence;
Each described spool comprises cylindric axis body, and is arranged at the spool Access Division at described axis body two ends respectively, and two described spool Access Divisions respectively with the described side plate Access Division activity clamping on two described side plates.
33. printers according to claim 32, it is characterized in that, described side plate Access Division comprises the side plate guide groove that the outstanding frame be arranged on described side plate is formed, and be provided with side plate projection or depressed side board, and described side plate guide groove is provided with grooves being open in described side plate guide groove;
Described spool Access Division is provided with spool depression or spool projection, and the protruding corresponding clamping of described side plate or the protruding clamping corresponding to described depressed side board of described spool of described spool depression.
34. printers according to claim 32, it is characterized in that, described spool comprises: axis body, at least two positioning elements and at least two elastic components, positioning element is installed on axis body slidably, elastic component coordinates with positioning element one_to_one corresponding, one end of elastic component is installed on corresponding positioning element, and the other end is installed on axis body;
Wherein, when positioning element moves to predeterminated position, form reel installation position between two positioning elements, the elastic force of elastic component makes two positioning elements mutually gather.
35. printers according to claim 34, it is characterized in that, described positioning element comprises slide block and clamp, be installed on described axis body, described slide block is provided with convex described skid, and described convex is relative to the lateral projections of described axis body, described clamp is provided with the first through hole, described clamp is set in outside described axis body by the first through hole on it, and two described clamps, between two described convexes, form described reel installation position between two clamps.
36. printers according to claim 35, it is characterized in that, described slide block comprises link and at least two elastic arms, and one end of described elastic arm is connected with described link and at least two elastic arms are positioned at the same side of described link, and described convex is located at the outside of described elastic arm.
37. spools according to claim 36, is characterized in that, the described convex on described elastic arm is at least two that axially stagger at described axis body.
38. printers according to claim 36, is characterized in that, described slide block is two, comprise the first slide block and the second slide block; Described elastic component is two, comprises the first elastic component and the second elastic component; From first end to the second end of described axis body, described first slide block and described second slide block are installed successively, and the link of the link of described first slide block and described second slide block approaches in opposite directions, one end of described first elastic component is installed on the link of described first slide block and the other end is installed on the second end of described rotating shaft, and one end of described second elastic component is installed on the link of described second slide block and the other end is installed on the first end of described rotating shaft.
39. printers according to any one of claim 34 to 38, it is characterized in that, axocoel is provided with in described axis body, described slide block is installed in described axocoel, and described axis body is provided with fluting, and described convex stretches out in described fluting, described axis body comprises the first semiaxis and the second semiaxis, described first semiaxis and described second semiaxis are encircled into described axocoel, and described slide block is all installed on the inwall of described first semiaxis, and described fluting is between described first semiaxis and described second semiaxis.
40. printers according to any one of claim 34 to 38, it is characterized in that, described clamp is provided with the second boss towards the side of described reel installation position, described second boss is provided with third through-hole, described first through hole is communicated with described third through-hole, and described axis body is through described third through-hole.
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CN107650517A (en) * 2017-10-23 2018-02-02 天津广大纸业股份有限公司 A kind of POS label papers printer
CN108944068A (en) * 2018-09-21 2018-12-07 汕头东风印刷股份有限公司 A kind of coding structure
CN112092508A (en) * 2019-09-17 2020-12-18 深圳市复恒自控技术有限公司 Double-path paper feeder and printer thereof
CN114677817A (en) * 2022-05-25 2022-06-28 深圳贝斯特机械电子有限公司 Cash register capable of preventing paper jam

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CN114677817A (en) * 2022-05-25 2022-06-28 深圳贝斯特机械电子有限公司 Cash register capable of preventing paper jam

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