CN104309310B - Thermal printer - Google Patents
Thermal printer Download PDFInfo
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- CN104309310B CN104309310B CN201410604228.1A CN201410604228A CN104309310B CN 104309310 B CN104309310 B CN 104309310B CN 201410604228 A CN201410604228 A CN 201410604228A CN 104309310 B CN104309310 B CN 104309310B
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- support
- aforementioned
- rotating shaft
- stopper slot
- locating part
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Abstract
A kind of thermal printer, comprise support, motor, driving gear set, rubber roll, support and print head assembly, support is located at and on aforementioned support, is connected and relative with aforesaid rubber roll by a dismountable type mechanism, it is characterized in that the both sides of the lower end of described support have respectively the bearing pin crossing out; The lower end of described support has the stopper slot arranging for aforementioned bearing pin, and the port of this stopper slot is towards described support; Described dismountable type mechanism comprises rotating shaft, spanner, locating part and back-moving spring, locating part is connected with aforementioned rotating shaft and can rotates with the rotation of rotating shaft, this locating part comprises connecting portion and is positioned at the limiting section at connecting portion two ends, each limiting section front end has the hook portion that can block stopper slot port, and described rotating shaft and limiting section are connected and fixed. Compared with prior art, the invention has the advantages that: pull spanner, spanner drives rotating shaft and locating part to rotate, and hook portion departs from stopper slot, and the bearing pin of support can spin off like a cork from stopper slot, convenient to operation.
Description
Technical field
The present invention relates to a kind of thermal printer, be applied to bill printing.
Background technology
The Automatic Teller Machine of bank, the cashier in supermarket are provided with thermal printer mostly, for printing transaction strip or receipt.Thermal printer has a casing conventionally, and a movement is installed in casing, movement by print head assembly, support andPaper cutter composition, wherein print head assembly is arranged on the top of support, and paper cutter is arranged on support and print head assemblyA side. Between print head assembly and support, form a paper feed passage, thermal printing paper is through paper feed passage.
The support upper end of thermal printer movement is provided with a rubber roll, and in support, is provided with a motor, and motor is by passingActuation mechanism, as gear etc. drives rubber roll rotation. Print head assembly comprises printhead and heat-sensitive sheet, and heat-sensitive sheet is just established rubber rollPut, heat-sensitive sheet adds thermosetting word and pattern to thermal printing paper.
While work due to thermal printer, need often to change printing paper, therefore needing often need to be by printhead from supportSeparate, the operation of namely uncapping, therefore arranges cap-opening mechanism so that uncap on existing print head assembly and supportOperation, but existing cap-opening mechanism complex structure causes thermal printer movement manufacturing cost higher, and the behaviour that causes uncappingMake difficulty, be unfavorable for the operation that printing paper is changed.
In addition, present print head assembly and the fit structure of support are too complicated, and fault rate is higher, needs to improve.
Summary of the invention
Technical problem to be solved by this invention is to provide one to uncap to operate facility, structure for the above-mentioned state of the artSimple and practical thermal printer.
Technical problem to be solved by this invention is to provide a kind of print head assembly and support for the above-mentioned state of the artCompact assembling structure, the thermal printer that volume is thinner.
The present invention solves the problems of the technologies described above adopted technical scheme: thermal printer, comprises
Support;
Motor, is located on aforementioned support and clutch end has a driving gear;
Driving gear set, power intake engages with aforesaid driving gear;
Rubber roll, can be located at rotationally on aforesaid support and have input gear, this input gear can with aforesaid driving cogWheels engaged transmission,
Support, is located at and on aforementioned support, is connected and relative with aforesaid rubber roll by a dismountable type mechanism; And
Print head assembly, is located in aforementioned brackets;
The both sides that it is characterized in that the lower end of described support have respectively the bearing pin crossing out;
The lower end of described support has the stopper slot arranging for aforementioned bearing pin, and the port of this stopper slot is towards described support;
Described dismountable type mechanism comprises
Rotating shaft, can be located at aforementioned support lower end rotationally;
Spanner, is located at aforementioned support lateral wall and can drive shaft rotates, and this spanner one end is connected with aforementioned rotating shaft, anotherEnd forms a pulling part;
Locating part, is connected with aforementioned rotating shaft and can rotates with the rotation of rotating shaft, and this locating part comprises connecting portion and is positioned at and connectsConnect the limiting section at portion two ends, each limiting section front end has the hook portion that can block stopper slot port, and described rotating shaft and limitPosition portion is connected and fixed; And
Reduction torsion spring, is sheathed in aforementioned rotating shaft and one end offsets and forces locating part recovery former with the connecting portion of aforementioned locating partShape.
Further, described support is positioned at print head assembly below and is provided with one first lateral paper guide, and accordingly, described support is positioned atRubber roll below is provided with the second lateral paper guide coordinating with aforementioned the first lateral paper guide, and the other end of described reduction torsion spring is with secondThe madial wall of lateral paper guide offsets.
Further, described support is positioned at locating part top and is provided with a limit shaft that can limit limiting section and continue upset, and this is spacingAxle middle part is embedded in the second lateral paper guide and outer face flushes with the second lateral paper guide.
The upper end of described support forms port mounting groove upward, and middle part has bar hole;
Described print head assembly comprises
Bracing frame, lower end is rotationally connected by a connecting axle and support, and upper end laterally forms and is arranged in aforementioned mounting grooveProtuberance;
Preloading spring, is at least two, is located at the aforementioned bracing frame back side and offsets with rack inner wall;
Printhead, is located at aforementioned supporting framing front end face and is pasted with heat-sensitive sheet; And
Flexible PCB, one end is connected with aforementioned printhead, and the other end stretches out in the bar hole of aforementioned brackets.
Print head assembly compact conformation, installation volume is thinner, and meanwhile, bracing frame and support are installed by protuberance and mounting grooveCan realize, convenient and swift.
Described support is positioned at rubber roll top and is provided with the baffle plate that a cross section is L-type, and this baffle plate has close rubber roll outer surfaceBend. Bend does not contact with rubber roll outer surface, has certain interval, can remove the impurity of rubber roll outer wall.
Compared with prior art, the invention has the advantages that: pull spanner, spanner drives rotating shaft and locating part to rotate, hookPortion departs from stopper slot, and the bearing pin of support can spin off like a cork from stopper slot, convenient to operation.
Brief description of the drawings
Fig. 1 is example structure schematic diagram.
Fig. 2 is the structural representation that Fig. 1 medium-height trestle and support are thrown off.
Fig. 3 is dismountable type mechanism structure schematic diagram in Fig. 2.
Fig. 4 is the constitutional diagram of Fig. 2 medium-height trestle, print head assembly and the first lateral paper guide.
Fig. 5 is the exploded view of Fig. 4.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
As depicted in figs. 1 and 2, the thermal printer in the present embodiment comprises support 1, motor (in figure, nothing shows), passesMoving gear group 5, rubber roll 4, support 2 and print head assembly 7, motor is located on support 1 and clutch end has initiativelyGear; Driving gear set 5 is located at support 1 one sides and power intake engages with driving gear; Rubber roll 4 can be established rotationallyOn support 1 and there is input gear, this input gear can with driving gear set 5 engaged transmission, support 2 is by shirkingFormula mechanism is located at and on support 1, connects and relative with rubber roll 4, and the both sides of the lower end of support 2 have respectively the bearing pin crossing out21; The upper end of support 2 forms port mounting groove 22 upward, and middle part has bar hole 23. Print head assembly 7Be located on support 2, the lower end of support 1 has the stopper slot 11 arranging for bearing pin 21, the port of this stopper slot 11 towardsSupport 2.
Shown in Fig. 3, dismountable type mechanism comprises rotating shaft 32, spanner 3, locating part 6 and reduction torsion spring 73, rotating shaft32 can be located at support 1 lower end rotationally; Spanner 3 is located at support 1 lateral wall and can drive shaft 32 be rotated this spanner3 one end are fixedly connected with rotating shaft 32, and the other end forms a pulling part 31; Locating part 6 is connected with rotating shaft 32 and can be with turningThe rotation of axle 32 and rotating, this locating part 6 comprises connecting portion 61 and is positioned at the limiting section 62 at connecting portion 61 two ends, everyIndividual limiting section 62 front ends have the hook portion 63 that can block stopper slot 11 ports, and rotating shaft 32 is connected and fixed with limiting section 62;Reduction torsion spring 73 is sheathed in rotating shaft 32 and the connecting portion 61 of one end and locating part 6 offsets forces locating part 6 to recover formerShape.
Support 2 is positioned at print head assembly 7 belows and is provided with one first lateral paper guide 81, and accordingly, support 1 is positioned at rubber roll 4Below is provided with the second lateral paper guide 82 coordinating with aforementioned the first lateral paper guide 81, and the other end of reduction torsion spring 73 is led with secondThe madial wall of cardboard 82 offsets.
Support is positioned at locating part 6 tops and is provided with a limit shaft 83 that can limit limiting section 62 and continue upset, this limit shaft 83Middle part is embedded in the second lateral paper guide 82 and outer face flushes with the second lateral paper guide 82.
Shown in Fig. 4 and Fig. 5, print head assembly 7 comprises bracing frame 71, preloading spring 73, printhead 72 and softProperty circuit board 74, bracing frame 71 lower ends are rotationally connected by a connecting axle and support 2, and upper end laterally forms and is arranged atProtuberance 711 in mounting groove 22; Preloading spring 73 is three, be all located at bracing frame 71 back sides and with support 2 inwall phasesSupport; Printhead 72 is located at bracing frame 71 front end faces and is pasted with heat-sensitive sheet; Flexible PCB 74 one end and printhead 72Connect, the other end stretches out in the bar hole 23 of support 2.
Support is positioned at rubber roll 4 tops and is provided with the baffle plate that a cross section is L-type, and this baffle plate has the curved of close rubber roll 4 outer surfacesPars convoluta, this bend does not contact with rubber roll 4 outer surfaces, has certain interval, can remove the impurity of rubber roll 4 outer walls.
Pull spanner 3, spanner 3 drives rotating shaft 32 and locating part 6 to rotate, and hook portion 63 departs from stopper slot 11, support 2Bearing pin 21 can from stopper slot 11, spin off like a cork, convenient to operation.
Claims (3)
1. a thermal printer, comprises
Support;
Motor, is located on aforementioned support and clutch end has a driving gear;
Driving gear set, power intake engages with aforesaid driving gear;
Rubber roll, can be located at rotationally on aforesaid support and have input gear, this input gear can with aforesaid driving cogWheels engaged transmission,
Support, is located on aforementioned support and relative with aforesaid rubber roll by a dismountable type mechanism; And
Print head assembly, is located in aforementioned brackets;
The both sides that it is characterized in that the lower end of described support have respectively the bearing pin crossing out;
The lower end of described support has the stopper slot arranging for aforementioned bearing pin, and the port of this stopper slot is towards described support;
Described dismountable type mechanism comprises
Rotating shaft, can be located at aforementioned support lower end rotationally;
Spanner, is located at aforementioned support lateral wall and can drive shaft rotates, and this spanner one end is connected with aforementioned rotating shaft, anotherEnd forms a pulling part;
Locating part, is connected with aforementioned rotating shaft and can rotates with the rotation of rotating shaft, and this locating part comprises connecting portion and is positioned at and connectsConnect the limiting section at portion two ends, each limiting section front end has the hook portion that can block stopper slot port, and described rotating shaft and limitPosition portion is connected and fixed; And
Reduction torsion spring, is sheathed in aforementioned rotating shaft and one end offsets and forces locating part recovery former with the connecting portion of aforementioned locating partShape;
Described support is positioned at print head assembly below and is provided with one first lateral paper guide, and accordingly, described support is positioned at rubber roll belowBe provided with the second lateral paper guide coordinating with aforementioned the first lateral paper guide, the other end of described reduction torsion spring is with the second lateral paper guideMadial wall offsets;
Support is positioned at locating part top and is provided with a limit shaft that can limit limiting section and continue upset, and this limit shaft middle part is embedded atIn the second lateral paper guide and outer face flushes with the second lateral paper guide.
2. thermal printer according to claim 1, is characterized in that the upper end of described support forms portMounting groove upward, middle part has bar hole;
Described print head assembly comprises
Bracing frame, lower end is rotationally connected by a connecting axle and support, and upper end laterally forms and is arranged in aforementioned mounting grooveProtuberance;
Preloading spring, is at least two, is located at the aforementioned bracing frame back side and offsets with rack inner wall;
Printhead, is located at aforementioned supporting framing front end face and is pasted with heat-sensitive sheet; And
Flexible PCB, one end is connected with aforementioned printhead, and the other end stretches out in the bar hole of aforementioned brackets.
3. thermal printer according to claim 1, is characterized in that described support is positioned at rubber roll top and is provided with oneCross section is the baffle plate of L-type, and this baffle plate has the bend of close rubber roll outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410604228.1A CN104309310B (en) | 2014-10-31 | 2014-10-31 | Thermal printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410604228.1A CN104309310B (en) | 2014-10-31 | 2014-10-31 | Thermal printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104309310A CN104309310A (en) | 2015-01-28 |
| CN104309310B true CN104309310B (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410604228.1A Active CN104309310B (en) | 2014-10-31 | 2014-10-31 | Thermal printer |
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| Country | Link |
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| CN (1) | CN104309310B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107310276B (en) * | 2017-07-04 | 2019-01-11 | 宁波精芯科技有限公司 | Thermal printer |
| CN110481173B (en) * | 2019-08-16 | 2024-03-29 | 宁波精芯科技有限公司 | Thermal printer |
| CN112477439B (en) * | 2020-11-24 | 2021-10-29 | 宁波精芯科技有限公司 | Thermal printer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202271666U (en) * | 2011-09-23 | 2012-06-13 | 宁波精芯科技有限公司 | Rack and rubber roll assembling structure and thermosensitive printer applying assembling structure |
| CN202293697U (en) * | 2011-10-17 | 2012-07-04 | 珠海赛达精密电子技术有限公司 | Bill printer core |
| CN103538373A (en) * | 2013-11-04 | 2014-01-29 | 宁波精芯科技有限公司 | Thermal print head component installation structure and thermal printer with same |
| CN204322747U (en) * | 2014-10-31 | 2015-05-13 | 宁波精芯科技有限公司 | Thermal printer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8736650B2 (en) * | 2011-06-23 | 2014-05-27 | Datamax-O'neil Corporation | Print station |
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2014
- 2014-10-31 CN CN201410604228.1A patent/CN104309310B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202271666U (en) * | 2011-09-23 | 2012-06-13 | 宁波精芯科技有限公司 | Rack and rubber roll assembling structure and thermosensitive printer applying assembling structure |
| CN202293697U (en) * | 2011-10-17 | 2012-07-04 | 珠海赛达精密电子技术有限公司 | Bill printer core |
| CN103538373A (en) * | 2013-11-04 | 2014-01-29 | 宁波精芯科技有限公司 | Thermal print head component installation structure and thermal printer with same |
| CN204322747U (en) * | 2014-10-31 | 2015-05-13 | 宁波精芯科技有限公司 | Thermal printer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104309310A (en) | 2015-01-28 |
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