CN104553260A - Printing machine overturning bar device and printing machine - Google Patents
Printing machine overturning bar device and printing machine Download PDFInfo
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- CN104553260A CN104553260A CN201310495487.0A CN201310495487A CN104553260A CN 104553260 A CN104553260 A CN 104553260A CN 201310495487 A CN201310495487 A CN 201310495487A CN 104553260 A CN104553260 A CN 104553260A
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- adjusting rod
- printing machine
- rollover bar
- bar device
- pedestal
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Abstract
The invention provides a printing machine overturning bar device and a printing machine. The printing machine overturning bar device comprises a base frame, an overturning bar subassembly, mounting seats and an adjusting rod, wherein the overturning bar subassembly is used for overturning front surfaces of fed paper tapes into reverse surfaces or overturning the reverse surfaces of the fed paper tapes into the front surfaces; the mounting seats are fixed on the base frame and are fixedly arranged on a printing machine main body; the adjusting rod extends along the transverse direction and is relatively fixed with at least one mounting seat in the axial direction; and one end of the adjusting rod is in screwed connection to the base frame, so that the adjusting rod rotates to drive the base frame to move relative to the adjusting rod. The position of the overturning bar subassembly can be adjusted relative to the paper tapes in the transverse direction through the adjusting rod of the overturning bar device, so that the adjusting rod and the overturning bar subassembly can be in an alignment state again, the overturned paper tapes can be aligned with the paper tapes which are not overturned, transverse chromatography deviation of the front surfaces and the reverse surfaces of the paper tapes is reduced, and the printing quality is improved.
Description
Technical field
The present invention relates to printing equipment manufacturing technology, particularly relate to a kind of printing machine rollover bar device and printing machine.
Background technology
Printing machine is in the upset carrying out needing in printed on both sides process utilizing rollover bar device to realize between recto, the back side.
Fig. 1 is a kind of rollover bar apparatus structure schematic diagram of prior art; As shown in Figure 1, existing rollover bar device comprises pedestal 10, to be arranged on pedestal 10 dual-side relative enters paper bowl 11, exit roller 12, with the guide roller 13 on the arbitrary side of remainder, and the first rollover bar 141 be arranged between paper bowl 11 and exit roller 12 and the second rollover bar 142, first rollover bar 141 and the second rollover bar 142 setting up and down and its bearing of trend crosses one another shape angle at 45 °.In printing machine, turning device is generally fixedly mounted between two printing elements, what after paper tape is exported by a printing element, then enter into turning device enters paper bowl 11, then after walking around the first rollover bar 141, walk around guide roller 13, pile warp second rollover bar 142 again after being exported by guide roller 13, the supine form of the back of the body being just converted to paper tape is exported along former direction by exit roller, and the second printing element just can print at the back side of paper tape.
In the printing process of printing machine, need to ensure paper tape and the centering (longitudinal symmetry axis and the mid point entering paper bowl or exit roller of paper tape) entering paper bowl and exit roller, because once paper tape is relative to entering paper bowl or exit roller offsets, after the upset of rollover bar device, the paper tape exported just can be extended relative to the offseting of throughput direction of body paper band, cause the horizontal chromatography deviation in positive and negative obviously to increase, directly affect printing quality.
Summary of the invention
For above-mentioned defect of the prior art, the invention provides a kind of printing machine rollover bar device and printing machine, realize the adjustment to lateral attitude between rollover bar device and paper tape, thus make paper tape and rollover bar assembly again recover Shaft alignment state.
The invention provides a kind of printing machine rollover bar device, the rollover bar assembly comprise pedestal, overturning for the positive and negative of the paper tape by input, and be fixed on described pedestal, for being fixedly installed to the mount pad in printing machine main body, also comprise: adjusting rod, described adjusting rod extends transversely and axially relative fixing with mount pad described at least one, one end of described adjusting rod is bolted in described pedestal, moves relative to described adjusting rod with the described pedestal that rotarily drives by described adjusting rod.
The present invention also provides a kind of printing machine, comprising: body, and is fixedly connected on printing machine rollover bar device on described body, as above.
Printing machine rollover bar device provided by the invention and printing machine, can realize adjusting the position of rollover bar assembly relative to paper tape in the horizontal by adjusting rod, both are made again to return Shaft alignment state, centering before improve the paper tape after upset and overturning, reduce the horizontal chromatography deviation in positive and negative, improve printing quality.
Accompanying drawing explanation
Fig. 1 is a kind of rollover bar apparatus structure schematic diagram of prior art;
Fig. 2 is the stereogram at a visual angle of rollover bar device embodiment of the present invention;
Fig. 3 is the top view of Fig. 2;
Fig. 4 is the side view of Fig. 3;
Fig. 5 is the stereogram at another visual angle embodiment illustrated in fig. 2.
Detailed description of the invention
" longitudinal direction " described in the present invention refers to, moving direction when moving direction when paper tape enters rollover bar device or paper tape are exported by rollover bar device, " transverse direction " then refer to paper tape planar vertical with described " longitudinal direction " direction.
Fig. 2 is the stereogram at a visual angle of rollover bar device embodiment of the present invention; Fig. 3 is the top view of Fig. 2; Fig. 4 is the side view of Fig. 3; Please refer to Fig. 2-4, the present embodiment provides a kind of printing machine rollover bar device, comprise pedestal 20, for will input paper tape positive and negative upset rollover bar assembly 30, and be fixed on pedestal 20, for being fixedly installed to the mount pad 21 in printing machine main body; Also comprise: adjusting rod 31, adjusting rod 31 extends transversely and axially relative fixing with mount pad 21, and one end of adjusting rod 31 is bolted in pedestal 20, moves with the pedestal 21 relative adjustment bar 31 that rotarily drives by adjusting rod 31.
Particularly, pedestal 20 can for having the installation matrix of tabular or frame-like, for installing rollover bar assembly 30 and entering paper bowl, exit roller etc., pedestal 20 can be fixedly installed multiple mount pad 21, to be fixedly installed to the relevant position on the body of printing machine by mount pad 21.The present embodiment is not particularly limited the concrete the Nomenclature Composition and Structure of Complexes of rollover bar assembly 30, and they can for the various concrete forms that can realize paper tape upset conventional in this area.
Pedestal 20 can be offered the screwed hole for installing adjusting rod 31, this screwed hole can extend transversely; Wherein, when pedestal 20 is provided with into paper bowl, namely the axis entering paper bowl is parallel to transverse direction, and the bearing of trend of screwed hole then should be parallel to into paper bowl, is screwed in screwed hole like this by adjusting rod 31, just can ensure that adjusting rod 31 is the same with screwed hole and extend transversely.
Further, adjusting rod 31 is axially relative with mount pad 21 fixedly to be referred to, adjusting rod 31 can not be moved in the axial direction relative to mount pad 21, and can only rotate.Particularly, directly axial restraint is realized to adjusting rod 31 by mount pad 21, also can by arranging other parts to realize.
Such as, the printing machine turning device of the present embodiment can comprise the head rod 41 for axial restraint adjusting rod 31, and head rod 41 is fixedly connected with mount pad 21, such as, can be weldingly fixed on mount pad 21; Adjusting rod 31 being formed with location division, head rod 41 then can being provided with the keeper for coordinating location division axial stop adjusting rod 31; Wherein, location division can for being formed in the cannelure on adjusting rod 31 surface, accordingly, keeper can for being fixed on the baffle ring of the position of on head rod 41, corresponding this cannelure of head rod 41, and this baffle ring can just be set in around cannelure, and by the dimensional fits backstop adjusting rod 31 of baffle ring and cannelure, prevent from, between adjusting rod 31 and head rod 41, axial displacement occurs.
From the above, due to not spacing in adjusting rod 31 circumference, when screwing adjusting rod 31, adjusting rod 31 can rotate, meanwhile, the threaded engagement between adjusting rod 31 and pedestal 20, makes the relative movement sent between pedestal 20 and adjusting rod 31 vertically, and adjusting rod 31 and mount pad 21 are fixed by relative in the axial direction, then this relative movement shows as the transverse shifting of pedestal 20 relative to mount pad 21.Therefore, when screwing adjusting rod 31, can realize adjusting pedestal 20 and on rollover bar assembly 30 transversely move relative to mount pad 21, and mount pad 21 and printing machine main body are fixed, thus just realize the transverse shifting of rollover bar assembly 30 relative to printing machine main body.
The printing machine rollover bar device of the present embodiment is fixedly installed in printing machine main body by mount pad 21 in use, wherein printing machine main body is also installed with printing element and paper roll etc., in printing process, paper tape enters rollover bar device through printing element by side, and to be exported by opposite side, overturn by front be simultaneously the back side, entering another printing element afterwards.And in this course, need the mid point centering ensureing longitudinal symmetrical center line of paper tape and the entrance side of rollover bar assembly 30, but, the reason such as external interference, paper tension is easy to cause paper tape to occur skew in the horizontal relative to rollover bar device, now just by screwing adjusting rod 31 to adjust rollover bar device relative to printing machine main body position in the horizontal, i.e. paper tape invariant position, makes paper tape and rollover bar device centering again with the position transversely adjusting rollover bar assembly.
The rollover bar device that the present embodiment provides, can realize adjusting the position of rollover bar assembly relative to paper tape in the horizontal by adjusting rod, both are made again to return Shaft alignment state, centering before improve the paper tape after upset and overturning, reduce the horizontal chromatography deviation in positive and negative, improve printing quality.
On the basis of above-described embodiment, the axial restraint that following version realizes between adjusting rod 31 and mount pad 21 can also be adopted.
Particularly, adjusting rod 31 is formed with the thread segment for being screwed on pedestal 20; Location division is be formed at adjusting rod 31 to be positioned at ladder section outside thread segment, and the side diameter that ladder section deviates from thread segment can be greater than the side near thread segment, namely the location division of the outer end of adjusting rod 31 can be divided into the multistage bar that diameter does not wait, to form step in diameter of axle sudden change place; Keeper is the branch sleeve 411 being fixedly connected on head rod 41 one end, this branch sleeve 411 has a shoulder hole matched with ladder section, the ladder section of adjusting rod 31 is arranged in shoulder hole, realizes the restriction to adjusting rod 31 axial location with the backstop action between the step formed by the sudden change of shoulder hole internal orifice dimension and adjusting rod 31 ladder section place step.In addition, this rollover bar device can also comprise the thrust bearing be arranged between adjusting rod 31 and branch sleeve 411, wherein thrust bearing 412 can be two, be arranged at the two ends of installing sleeve 411 respectively, effectively to alleviate in adjusting rod 31 relatively branch sleeve rotary course by thrust bearing 412, the friction between the ladder section of adjusting rod 31 and shoulder hole.
Further, as shown in Figure 2 and Figure 5, above-mentioned rollover bar device can also comprise one second connecting rod 42; Accordingly, mount pad 21 can be even number, and can be arranged in a linear at the relative both sides of the edge place of pedestal 20 respectively, such as can be four, two sides being arranged on pedestal 20, another two opposite sides being arranged on pedestal 20, wherein, the two ends of head rod 41 fixedly can be located in respectively and be on two mount pads 21 of the same side, second connecting rod 42 can fixedly be located on two mount pads 21 of opposite side respectively, and by the relative position rationally arranged between mount pad 21 ensure head rod 41 and the second connecting rod 42 parallel to each other; Further, head rod 41 and the second connecting rod 42 also can be supported on pedestal 20 respectively by least one linear bearing 32.Like this, good supporting function is played by linear bearing 32, simultaneously, when pedestal 20 is mounted opposite seat 21 transverse shifting under the driving of the adjusting rod 31 rotated, the head rod 41 all extended transversely and the second connecting rod 42 can play the auxiliary guide effect to pedestal 20 movement, and linear bearing 32 can also effectively reduce the friction to head rod 41 and the second connecting rod 42, ensures that it is not worn, ensure that pedestal 20 accurately, reliably transversely moves further.
Further, one end that adjusting rod 31 deviates from pedestal 20 can also be fixedly installed regulating handle 33, and this regulating handle 33 also can be provided with the dial being used to indicate and turning over angle.Wherein, dial can coaxially be fixedly installed in regulating handle 33 distal end faces, the center of circle of dial can be fixedly installed the pointer with adjusting rod 31 coaxial rotation, when regulating handle 33 rotates, pointer turns over identical angle thereupon, scale change indicated by pointer can obtain the accurate angle that regulating handle turns over, and this value is the actual angle turned over of adjusting rod 31; And then, just can accurately calculate the distance of pedestal 20 together with rollover bar assembly 30 transversely movement according to the pitch of the thread segment of adjusting rod 31.Horizontal adjustment amount can be controlled more accurately thus, improve horizontal chromatography precision further.
In the printing machine course of work, affecting another factor of chromatography precision is web tension.When overtension on paper tape, paper tape can be caused longitudinally wrinkling, then chromatography precision declines; And when the tension force on paper tape exceedes particular value, paper tape can be caused again to rupture; Especially, in positive back face printing process, paper tape is through rollover bar device, and after realizing positive and negative upset, the factor due to frictional force causes front and back tension variation larger, thus accommodating initiation web tension exceeds or lower than particular value.
Another embodiment of the present invention provides a kind of printing machine rollover bar device, adjusts web tension by increasing jockey pulley on the basis of above-described embodiment.As shown in Figure 2-5, the pedestal 20 in pedestal 20 above-described embodiment can for the rectangle frame surrounded by two crossbeams 201 and two longerons 202; Rollover bar assembly 30 can comprise being separately positioned on two crossbeams 201 enter paper bowl 11, exit roller 12, is arranged on the jockey pulley 23 on a longeron, and is arranged on the first rollover bar 141 and the second rollover bar 142 in space that crossbeam 201 and longeron 202 surround; First rollover bar 141 and the setting up and down and angle that shape is at 45 ° of the second rollover bar 142; The rollover bar device of the present embodiment can also comprise the servomotor 24 be fixedly installed on pedestal 20, and the output shaft of servomotor 24 can be fixedly connected with jockey pulley 23 by shaft coupling, to drive jockey pulley 23 forward or reverse by servomotor 24.
Wherein, exit roller 12 can be rotatably fixed on crossbeam 201 with the two ends entering paper bowl 11, and the two ends of the first rollover bar 141 and the second rollover bar 142 can be fixedly connected on the junction of crossbeam 201 and longeron 202 respectively; The first rollover bar 141 can be walked around in heads mode from bottom to top after entering paper bowl 11 to make paper tape, paper tape is converted to reverse side upward, then walk around jockey pulley 23 from top to bottom, walk around the second rollover bar 142 from bottom to top again, finally export through exit roller 12 with this anti-supine form, achieve the upset of paper tape.
The process that the printing machine rollover bar device of the present embodiment carries out web tension adjustment is as follows: (can be judged the size of web tension by the tightness observing paper tape when the web tension entering rollover bar device is less than the web tension exported through rollover bar device, paper tape is more tight, tension force is larger), servomotor 24 can be controlled rotate according to the direction that paper tape walks around the direction of motion of jockey pulley 23 identical, to increase the web tension of output; When the web tension entering rollover bar device is greater than the web tension exported through rollover bar device, servomotor 24 can be controlled rotate around the direction that the direction of motion of jockey pulley 23 is contrary according to paper tape, to reduce the web tension exported, thus the tension force reached before and after the upset of adjustment paper tape, and then ensure web tension to control in particular range, improve chromatography precision.
On the basis of the above, jockey pulley 23 can be rotatably set on pedestal 20; Namely, pedestal 20 can be fixedly installed two supporting seats 231, jockey pulley 23 is rotatably supported on supporting seat 231 by spring bearing, and bearing cap supporting seat spring bearing outer end is also provided with for axial restraint jockey pulley, while ensure that the position of jockey pulley 23 relatively on pedestal 20 is fixing, also assures that the rotation of jockey pulley, alleviate the wearing and tearing of repeatedly rotating jockey pulley.
Preferably, for on printing machine printing machine rollover bar device is forward and backward be respectively equipped with the scene of tension-sensing roller under, above-mentioned printing machine rollover bar device can also comprise a controller, turn 24 cross corresponding angle, to adjust the tension force of paper tape for controlling servomotor according to the web tension of current input paper bowl 11 side and exit roller 12 side web tension.Particularly, controller can be implemented to obtain web tension from tension-sensing roller, compare, and controls servomotor forward or reverse respective angles according to comparative result.
Further embodiment of this invention also provides a kind of printing machine, comprise: printing machine main body, and being fixedly connected in printing machine main body, as above described in any embodiment printing machine rollover bar device, this printing machine rollover bar device is spirally connected by mount pad 21 or is welded and fixed in printing machine main body.Wherein, the concrete structure of printing machine rollover bar device and function and previous embodiment similar, repeat no more herein.
The printing machine that the present embodiment provides, can realize adjusting the position of rollover bar device relative to paper tape in the horizontal by the adjusting rod in rollover bar device, both are made again to return Shaft alignment state, centering before improve the paper tape after upset and overturning, reduce the horizontal chromatography deviation in positive and negative, improve printing quality.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a printing machine rollover bar device, the rollover bar assembly comprise pedestal, overturning for the positive and negative of the paper tape by input, and be fixed on described pedestal, for being fixedly installed to the mount pad in printing machine main body, it is characterized in that, also comprise: adjusting rod, described adjusting rod extends transversely and axially relative fixing with mount pad described at least one, one end of described adjusting rod is bolted in described pedestal, moves relative to described adjusting rod with the described pedestal that rotarily drives by described adjusting rod.
2. printing machine rollover bar device according to claim 1, is characterized in that, also comprise the head rod for adjusting rod described in axial restraint, and described head rod is fixedly connected with at least one mount pad described; Described adjusting rod being formed with location division, described head rod being fixedly installed the keeper for coordinating adjusting rod described in the axial stop of described location division.
3. printing machine rollover bar device according to claim 2, is characterized in that, described adjusting rod is formed with the thread segment for being screwed on pedestal; Described location division is be formed at described adjusting rod to be positioned at ladder section outside described thread segment, and the side diameter that described ladder section deviates from described thread segment is greater than the side near described thread segment; Described head rod is parallel to described adjusting rod, described keeper is the branch sleeve being fixedly connected on described head rod one end, described branch sleeve has a shoulder hole matched with described ladder section, and the ladder section of described adjusting rod is arranged in described shoulder hole.
4. printing machine rollover bar device according to claim 3, is characterized in that, also comprise the thrust bearing be arranged between described adjusting rod and described branch sleeve, and described thrust bearing is two, is arranged at the two ends of described installing sleeve respectively.
5. the printing machine rollover bar device according to Claims 2 or 3 or 4, is characterized in that, also comprises the second connecting rod being parallel to described head rod and arranging; The two ends of described head rod and the second connecting rod are fixedly arranged on a pair mount pad respectively, and described head rod and the second connecting rod are also supported on described pedestal respectively by least one linear bearing.
6. the printing machine rollover bar device according to claim 1-4 any one, it is characterized in that, one end that described adjusting rod deviates from described pedestal is also fixedly installed regulating handle, described regulating handle is also provided with the dial being used to indicate and turning over angle.
7. the printing machine rollover bar device according to claim 1-4 any one, is characterized in that, described pedestal is the rectangle frame surrounded by two crossbeams and two longerons; Described rollover bar assembly comprises being separately positioned on two described crossbeams enters paper bowl, exit roller, is arranged on the jockey pulley on a described longeron, and the first rollover bar be arranged in space that described crossbeam and longeron surround and the second rollover bar; Described first rollover bar and the setting up and down and angle that shape is at 45 ° of the second rollover bar; Also comprise the servomotor be fixedly installed on described pedestal, the output shaft of described servomotor is fixedly connected with described jockey pulley.
8. printing machine rollover bar device according to claim 7, it is characterized in that, described pedestal is fixedly installed two supporting seats, described jockey pulley is rotatably supported on described supporting seat by spring bearing, and spring bearing outer end is also provided with the bearing cap for jockey pulley described in axial restraint.
9. printing machine rollover bar device according to claim 7, it is characterized in that, also comprising a controller, turning over corresponding angle, to adjust the tension force of described paper tape for controlling described servomotor according to the web tension of current input roller side and outlet roller side web tension.
10. a printing machine, comprising: body, and is fixedly connected on described body, as described in claim 1-9 any one printing machine rollover bar device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310495487.0A CN104553260B (en) | 2013-10-21 | 2013-10-21 | Printing machine overturning bar device and printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310495487.0A CN104553260B (en) | 2013-10-21 | 2013-10-21 | Printing machine overturning bar device and printing machine |
Publications (2)
| Publication Number | Publication Date |
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| CN104553260A true CN104553260A (en) | 2015-04-29 |
| CN104553260B CN104553260B (en) | 2017-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310495487.0A Expired - Fee Related CN104553260B (en) | 2013-10-21 | 2013-10-21 | Printing machine overturning bar device and printing machine |
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| CN (1) | CN104553260B (en) |
Cited By (4)
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| CN105291483A (en) * | 2015-11-16 | 2016-02-03 | 王丽 | Continuous production system for automatic reversal of packaging boxes |
| CN105383090A (en) * | 2015-11-16 | 2016-03-09 | 王丽 | Automatic material turning-over production technology of packaging box |
| CN111361320A (en) * | 2020-04-24 | 2020-07-03 | 海宁卡洛包装材料有限公司 | Color printing process for packaging bag |
| CN111959111A (en) * | 2020-08-06 | 2020-11-20 | 亳州市陆亿玖商贸有限公司 | Printing machine |
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| CN111361320B (en) * | 2020-04-24 | 2021-12-10 | 海宁卡洛包装材料有限公司 | Color printing process for packaging bag |
| CN111959111A (en) * | 2020-08-06 | 2020-11-20 | 亳州市陆亿玖商贸有限公司 | Printing machine |
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| CN104553260B (en) | 2017-05-03 |
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