CN104309310A - Thermal printer - Google Patents
Thermal printer Download PDFInfo
- Publication number
- CN104309310A CN104309310A CN201410604228.1A CN201410604228A CN104309310A CN 104309310 A CN104309310 A CN 104309310A CN 201410604228 A CN201410604228 A CN 201410604228A CN 104309310 A CN104309310 A CN 104309310A
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- China
- Prior art keywords
- support
- aforementioned
- thermal printer
- rotating shaft
- rubber roll
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Abstract
The invention provides a thermal printer which comprises a machine base, a motor, a transmission gear set, a rubber roll, a support and a print head assembly. The support is arranged on the machine base through a detachable mechanism and is opposite to the rubber roll. The thermal printer is characterized in that the two sides of the lower end of the support are provided with pin shafts stretching out transversely respectively; the lower end of the machine base is provided with limiting grooves allowing the pin shafts to be arranged therein, and end openings of the limiting grooves face the support; the detachable mechanism comprises a rotating shaft, a wrench, a limiting piece and reset springs, the limiting piece is connected with the rotating shaft and can rotate along with rotating of the rotating shaft, the limiting piece comprises a connection portion and limiting portions located at the two ends of the connection portion, the front end of each limiting portion is provided with a hook portion capable of blocking the corresponding limiting groove end opening, and the rotating shaft is fixedly connected with the limiting portions. Compared with the prior art, the thermal printer has the advantages that when the wrench is pulled, the wrench drives the rotating shaft and the limiting piece to rotate, the hook portions are separated from the corresponding limiting grooves, the pin shafts of the support can be separated from the corresponding limiting grooves easily, and the thermal printer is convenient and fast to operate.
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 slip or receipt.Thermal printer has a casing usually, and in casing, be provided with a movement, movement is made up of print head assembly, support and paper cutter, and wherein print head assembly is arranged on the top of support, and paper cutter is arranged on the side of support and print head assembly.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 is provided with a motor in support, and motor passes through transmission mechanism, as gear etc. drives rubber roll to rotate.Print head assembly comprises printhead and heat-sensitive sheet, and heat-sensitive sheet is just arranged rubber roll, and heat-sensitive sheet adds thermosetting word and pattern to thermal printing paper.
Owing to needing when thermal printer works often to change printing paper, therefore need often to need printhead to separate from support, namely to uncap operation, therefore existing print head assembly and support arrange cap-opening mechanism so that uncap and operate, but existing cap-opening mechanism complex structure, cause thermal printer movement manufacturing cost higher, and cause operating difficulties of uncapping, be unfavorable for the operation that printing paper is changed.
In addition, present print head assembly and the fit structure of support too complicated, cause submitting to comparatively large, fault rate is higher, needs to improve.
Summary of the invention
Technical problem to be solved by this invention provides one to uncap to operate facility, simple and practical thermal printer for the above-mentioned state of the art.
Technical problem to be solved by this invention provides a kind of print head assembly and support compact assembling structure, 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, to be located at rotationally on aforesaid support and to have input gear, this input gear can with aforesaid driving gear set engaged transmission,
Support, is located at by a dismountable type mechanism and aforementioned support connects and relative with aforesaid rubber roll; And
Print head assembly, is located in aforementioned brackets;
It is characterized in that the both sides of the lower end of described support have the bearing pin crossed out respectively;
The lower end of described support has the stopper slot arranged 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, be located at aforementioned support lateral wall and can drive shaft rotate, this spanner one end is connected with aforementioned rotation axis, and the other end forms a pulling part;
Locating part, be connected with aforementioned rotation axis and can rotate with the rotation of rotating shaft, this locating part comprises connecting portion and is positioned at the limiting section at connecting portion two ends, and each limiting section front end has the hook portion blocking stopper slot port, and described rotating shaft and limiting section are connected and fixed; And
Reduction torsion spring, the connecting portion being sheathed on aforementioned rotation axis and one end and aforementioned locating part offsets and forces locating part to restore to the original state.
Further, described support is positioned at below print head assembly and is provided with one first lateral paper guide, accordingly, described support is positioned at the second lateral paper guide being provided with below rubber roll and coordinating with aforementioned first lateral paper guide, and the other end of described reduction torsion spring then offsets with the madial wall of the second lateral paper guide.
Further, described pedestal is positioned at above locating part and is provided with the limit shaft that can limit limiting section continuation upset, is embedded in the second lateral paper guide and outer face and flushes with the second lateral paper guide in the middle part of this limit shaft.
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 connected with holder pivots by a connecting axle, and upper end laterally forms the protuberance be arranged in aforementioned mounting groove;
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 installing can be realized by protuberance and mounting groove, convenient and swift.
Described pedestal is positioned at above rubber roll and is provided with the baffle plate that a cross section is L-type, and this baffle plate has the bend of close rubber roll outer surface.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, 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.
Accompanying drawing explanation
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, the present invention is described in further detail.
As depicted in figs. 1 and 2, the thermal printer in the present embodiment comprises support 1, motor (in figure without display), driving gear set 5, rubber roll 4, support 2 and print head assembly 7, and motor is located on support 1 and clutch end has driving gear; Driving gear set 5 is located at support 1 side and power intake engages with driving gear; Rubber roll 4 to be located at rotationally on support 1 and to have input gear, this input gear can with driving gear set 5 engaged transmission, support 2 is located at by dismountable type mechanism 6 and support 1 is connected and relative with rubber roll 4, and the both sides of the lower end of support 2 have the bearing pin 21 crossed out respectively; The upper end of support 2 forms port mounting groove 22 upward, and middle part has bar hole 23.Print head assembly 7 is located on support 2, and the lower end of support 1 has the stopper slot 11 arranged for bearing pin 21, and the port of this stopper slot 11 is towards support 2.
Shown in composition graphs 3, dismountable type mechanism 6 comprises rotating shaft 32, spanner 3, locating part 6 and reduction torsion spring 73, and rotating shaft 32 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, and this spanner 3 one end is 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 rotates with the rotation of rotating shaft 32, this locating part 6 comprises connecting portion 61 and is positioned at the limiting section 62 at connecting portion 61 two ends, each limiting section 62 front end has the hook portion 63 blocking stopper slot 11 port, and rotating shaft 32 and limiting section 62 are connected and fixed; Reduction torsion spring 73 is sheathed in rotating shaft 32 and the connecting portion 61 of one end and locating part 6 offsets and forces locating part 6 to restore to the original state.
Support 2 is positioned at below print head assembly 7 and is provided with one first lateral paper guide 81, and accordingly, support 1 is positioned at the second lateral paper guide 82 being provided with below rubber roll 4 and coordinating with aforementioned first lateral paper guide 81, and the other end of reduction torsion spring 73 then offsets with the madial wall of the second lateral paper guide 82.
Pedestal is positioned at above locating part 6 and is provided with the limit shaft 83 that can limit limiting section 62 continuation upset, is embedded in the second lateral paper guide 82 and outer face and flushes with the second lateral paper guide 82 in the middle part of this limit shaft 83.
Shown in composition graphs 4 and Fig. 5, print head assembly 7 comprises bracing frame 71, preloading spring 73, printhead 72 and flexible PCB 74, and bracing frame 71 lower end is rotationally connected by a connecting axle and support 2, and upper end laterally forms the protuberance 711 be arranged in mounting groove 22; Preloading spring 73 is three, is all located at bracing frame 71 back side and offsets with support 2 inwall; Printhead 72 is located at bracing frame 71 front end face and is pasted with heat-sensitive sheet; Flexible PCB 74 one end is connected with printhead 72, and the other end stretches out in the bar hole 23 of support 2.
Pedestal is positioned at above rubber roll 4 and is provided with the baffle plate that a cross section is L-type, and this baffle plate has the bend of close rubber roll 4 outer surface, and this bend does not contact with rubber roll 4 outer surface, has certain interval, can remove the impurity of rubber roll 4 outer wall.
Pull spanner 3, spanner 3 drives rotating shaft 32 and locating part 6 to rotate, and hook portion 63 departs from stopper slot 11, and the bearing pin 21 of support 2 can spin off like a cork from stopper slot 11, convenient to operation.
Claims (5)
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, to be located at rotationally on aforesaid support and to have input gear, this input gear can with aforesaid driving gear set engaged transmission,
Support, is located at by a dismountable type mechanism and aforementioned support connects and relative with aforesaid rubber roll; And
Print head assembly, is located in aforementioned brackets;
It is characterized in that the both sides of the lower end of described support have the bearing pin crossed out respectively;
The lower end of described support has the stopper slot arranged 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, be located at aforementioned support lateral wall and can drive shaft rotate, this spanner one end is connected with aforementioned rotation axis, and the other end forms a pulling part;
Locating part, be connected with aforementioned rotation axis and can rotate with the rotation of rotating shaft, this locating part comprises connecting portion and is positioned at the limiting section at connecting portion two ends, and each limiting section front end has the hook portion blocking stopper slot port, and described rotating shaft and limiting section are connected and fixed; And
Reduction torsion spring, the connecting portion being sheathed on aforementioned rotation axis and one end and aforementioned locating part offsets and forces locating part to restore to the original state.
2. thermal printer according to claim 1, it is characterized in that described support is positioned at below print head assembly and be provided with one first lateral paper guide, accordingly, described support is positioned at the second lateral paper guide being provided with below rubber roll and coordinating with aforementioned first lateral paper guide, and the other end of described reduction torsion spring then offsets with the madial wall of the second lateral paper guide.
3. thermal printer according to claim 2, is characterized in that described pedestal is positioned at above locating part and is provided with the limit shaft that can limit limiting section continuation upset, be embedded in the second lateral paper guide and outer face and flush with the second lateral paper guide in the middle part of this limit shaft.
4. thermal printer according to claim 1, it is characterized in that the upper end of described support forms port mounting groove upward, middle part has bar hole;
Described print head assembly comprises
Bracing frame, lower end is connected with holder pivots by a connecting axle, and upper end laterally forms the protuberance be arranged in aforementioned mounting groove;
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.
5. thermal printer according to claim 1, it is characterized in that described pedestal is positioned at above rubber roll and be provided with the baffle plate that a cross section is L-type, 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 true CN104309310A (en) | 2015-01-28 |
| CN104309310B CN104309310B (en) | 2016-05-11 |
Family
ID=52364685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410604228.1A Active CN104309310B (en) | 2014-10-31 | 2014-10-31 | Thermal printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104309310B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107310276A (en) * | 2017-07-04 | 2017-11-03 | 宁波精芯科技有限公司 | Thermal printer |
| CN110481173A (en) * | 2019-08-16 | 2019-11-22 | 宁波精芯科技有限公司 | Thermal printer |
| CN112477439A (en) * | 2020-11-24 | 2021-03-12 | 宁波精芯科技有限公司 | Thermal printer |
Citations (5)
| 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 |
| US20120327168A1 (en) * | 2011-06-23 | 2012-12-27 | Source Technologies, Llc | Print station |
| 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 |
-
2014
- 2014-10-31 CN CN201410604228.1A patent/CN104309310B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120327168A1 (en) * | 2011-06-23 | 2012-12-27 | Source Technologies, Llc | Print station |
| 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 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107310276A (en) * | 2017-07-04 | 2017-11-03 | 宁波精芯科技有限公司 | Thermal printer |
| CN107310276B (en) * | 2017-07-04 | 2019-01-11 | 宁波精芯科技有限公司 | Thermal printer |
| CN110481173A (en) * | 2019-08-16 | 2019-11-22 | 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 |
| CN112477439A (en) * | 2020-11-24 | 2021-03-12 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104309310B (en) | 2016-05-11 |
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