CN108839442B - Ink supply pump driving structure of ink-jet printer - Google Patents
Ink supply pump driving structure of ink-jet printer Download PDFInfo
- Publication number
- CN108839442B CN108839442B CN201810851777.7A CN201810851777A CN108839442B CN 108839442 B CN108839442 B CN 108839442B CN 201810851777 A CN201810851777 A CN 201810851777A CN 108839442 B CN108839442 B CN 108839442B
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- China
- Prior art keywords
- switching
- gear
- ink
- supply pump
- ink supply
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- 230000005540 biological transmission Effects 0.000 claims abstract description 63
- 230000009471 action Effects 0.000 claims abstract description 9
- 230000002572 peristaltic effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
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
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17596—Ink pumps, ink valves
Landscapes
- Ink Jet (AREA)
Abstract
The invention discloses an ink supply pump driving structure of an ink jet printer, which comprises a base and an ink supply pump connected to the base, wherein the ink supply pump is provided with a driving gear which is connected with a transmission gear; the base is also connected with a switching device, the switching device comprises a transmission shaft, a switching gear and a switching sliding block, the switching gear is slidably connected to the right end part of the transmission shaft, which is close to the transmission gear, and synchronously rotates along with the transmission shaft, a spring is arranged between the left side surface of the switching gear and the transmission shaft, the spring pushes the switching gear to move right and be meshed with the transmission gear, the switching sliding block is provided with a stop block for pushing a character car and can move along the axial direction of the transmission shaft, the switching sliding block is provided with a pushing block contacted with the right side surface of the switching gear, the left end of the switching sliding block is connected with a tension spring, and the switching sliding block limits the switching gear to the left side and is separated from the transmission gear under the action of the tension spring.
Description
Technical Field
The invention relates to the technical field of printers, in particular to an ink supply pump driving structure of an ink-jet printer.
Background
Inkjet printers have been developed after pin printers, and are printing devices that operate in a non-striking manner. The special paper has the outstanding advantages of small volume, simple and convenient operation, low printing noise, capability of printing pictures comparable with photos when using special paper, and the like. Over the years, the technology of inkjet printers has evolved over time.
The existing small-sized ink-jet printer is usually provided with ink boxes connected to a carriage, and the structure is simple, but the ink boxes have small capacity and high use cost, and need to be replaced frequently. Some small ink-jet printers adopt a continuous ink supply system, but most of the small ink-jet printers adopt a circulating piezoelectric pump for supplying ink, have complex control and are easy to make mistakes, so that printed patterns deviate, and the small ink-jet printers need to be improved.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an ink supply pump driving structure of an ink jet printer, which is driven by a carriage to switch power, ensures the matching of ink supply and printing actions, simplifies control and is reliable and durable.
The technical scheme adopted for solving the technical problems is as follows:
the ink supply pump driving structure of the ink jet printer comprises a base and an ink supply pump connected to the base, wherein the ink supply pump is provided with a driving gear which is connected with a transmission gear; the base is also connected with a switching device, the switching device comprises a transmission shaft, a switching gear and a switching sliding block, the switching gear is slidably connected to the right end part of the transmission shaft, which is close to the transmission gear, and synchronously rotates along with the transmission shaft, a spring is arranged between the left side surface of the switching gear and the transmission shaft, the spring pushes the switching gear to move right and be meshed with the transmission gear, the switching sliding block is provided with a stop block for pushing a character car and can move along the axial direction of the transmission shaft, the switching sliding block is provided with a pushing block contacted with the right side surface of the switching gear, the left end of the switching sliding block is connected with a tension spring, and the switching sliding block limits the switching gear to the left side and is separated from the transmission gear under the action of the tension spring.
As an improvement of the technical scheme, the right end part of the transmission shaft is provided with a cross-shaped shaft section, and the switching gear is provided with a corresponding cross-shaped mounting groove.
As a further improvement of the technical scheme, the push block is of an annular structure, the right side face of the switching gear is provided with a plurality of sliding blocks which are abutted to the push block, the sliding blocks are circumferentially and uniformly distributed, and the head of each sliding block is provided with an inclined plane.
Further improved, the ink supply pump is a peristaltic pump.
Further improvement, the ink supply pump is including fixing pump case, ink pipe, guide frame and the pinch roller on the base, the annular sleeve arrangement of ink pipe laminating pump case, the guide frame connect in drive gear and follow drive gear and rotate, be connected with one or more on the guide frame periphery the pinch roller, the pinch roller extrusion the ink pipe.
Further improved, the hub of the driving gear is provided with a protruding block, and the guide frame is provided with a protruding block matched with the protruding block.
Further improved, the right end of the transmission shaft is rotatably connected with a shaft sleeve for fixedly connecting with the printer.
The beneficial effects of the invention are as follows: in the printing process (in a non-ink supply state), the tension of the tension spring is larger than the elasticity of the spring, the switching sliding block limits the switching gear to the left and is separated from the transmission gear, and the ink supply pump is unpowered and is in a stop state; when ink is supplied, the carriage moves right to push the switching sliding block to move right, the transmission gear moves right under the push of the spring, and when the position of the switching gear is just not collided with the transmission gear in the moving process, the state of being meshed with the transmission gear is smoothly entered, and the transmission shaft drives the switching gear to enable the ink supply pump to work; or the switching gear collides with the transmission gear in the right moving process and is blocked at the collision position so as not to enter the engagement, and at the moment when the transmission shaft drives the switching gear to rotate, the switching gear is separated from the collision state due to the change of the angle of the switching gear, and the switching gear is engaged with the transmission gear so as to realize the work of the ink supply pump. The power is switched by the driving of the carriage, so that the matching of ink supply and printing actions is ensured, the control is simplified, the carriage is reliable and durable, the power source is reduced, and the cost is reduced.
Drawings
The invention is further described below with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a left side view of the present invention when not in ink supply;
fig. 3 and 4 are left side views of the ink supply of the present invention.
Detailed Description
Referring to fig. 1 to 4, an ink supply pump driving structure of an ink jet printer includes a base 1 and an ink supply pump 2 connected to the base 1, the ink supply pump 2 is provided with a driving gear 21, and the driving gear 21 is connected with a transmission gear 11; the base 1 is also connected with a switching device, the switching device comprises a transmission shaft 31, a switching gear 32 and a switching sliding block 33, the switching gear 32 is slidably connected to the right end part of the transmission shaft 31, which is close to the transmission gear 11, and synchronously rotates along with the transmission shaft 31, a spring 5 is arranged between the left side surface of the switching gear 32 and the transmission shaft 31, the spring 5 pushes the switching gear 32 to move right to be meshed with the transmission gear 11, the transmission shaft 31 is longer, and the right end of the transmission shaft 31 is easy to shake greatly due to the adoption of a cantilever, so that the right end of the transmission shaft 31 is rotatably connected with a shaft sleeve 34, and the shaft sleeve 34 is fixedly connected with a printer to reduce the shake of the transmission shaft 31; the switching slider 33 is provided with a stop 331 for pushing the carriage and can move along the axial direction of the transmission shaft 31, the switching slider 33 is provided with a push block 332 contacting the right side surface of the switching gear 32, the left end of the switching slider 33 is connected with a tension spring 4, under the action of the tension spring 4, the switching slider 33 limits the switching gear 32 to the left and is separated from the transmission gear 11, the push block 332 and the switching slider 33 are linked and are divided into two parts for convenience of assembly, the two parts are combined into a whole through a buckle after being assembled respectively and are not contacted with the transmission shaft 31, when the push block 332 moves to the right to be close to the transmission gear 21 of the ink pump 2, the movement of the switching gear 32 is not required to be pushed, only a channel is left, and the switching gear 32 moves to the right under the action of the spring 5 to be in an engaged state. With the above-described structure, in the initial state (non-ink supply state), the tension of the tension spring 4 is greater than the elastic force of the spring 5, and the switching slider 33 restricts the switching gear 32 to the left so as to be disengaged from the transmission gear 11, and the ink supply pump 2 is unpowered so as to be in the stopped state, as shown in fig. 2; when ink is supplied, the carriage moves right to push the switching sliding block 33 to move right through the stop block 331 so as to offset the tensile force of the tension spring 4, the transmission gear 32 moves right under the pushing of the spring 5, and two states exist, wherein the first state is that when the position of the switching gear 32 is just not collided with the transmission gear 11 in the moving process, namely, the state of being smoothly meshed with the transmission gear 11 is smoothly entered, the transmission shaft 31 drives the switching gear 11 and the driving gear 21 to enable the ink supply pump 2 to work, and the ink supply state is entered, as shown in fig. 4; the second state is that the switching gear 32 collides with the transmission gear 11 in the right moving process, and is blocked at the collision position and cannot enter into engagement, at the moment, when the transmission shaft 31 drives the switching gear 32 to rotate, the switching gear 32 is separated from the collision state due to the change of the angle of the switching gear 32, and the switching gear 32 is engaged with the transmission gear 11, so that the starting of the ink supply pump 2 is realized. The carriage is used for driving and switching power, so that the matching of ink supply and printing actions is ensured, the control is simplified, the carriage is reliable and durable, the power source is reduced, the structure is simplified, and the cost is reduced. After the carriage leaves, under the action of the tension spring 4, the switching slider 33 pushes the switching gear 32 to leave the meshing position through the push block 332 and compresses the spring 5 until the limit rib on the switching slider 33 contacts with the base 1.
In this embodiment, preferably, the right end portion of the transmission shaft 31 is provided with a cross-shaped shaft section, and the switching gear 32 is provided with a corresponding cross-shaped mounting groove to be sleeved on the cross-shaped shaft section. Preferably, the push block 332 is configured as an annular structure, the right side surface of the switching gear 32 is provided with a plurality of sliding blocks abutted to the push block 332, a plurality of sliding blocks are circumferentially and uniformly distributed, the head of each sliding block is configured as an inclined surface, the inclined surface is in contact with the inner annular edge of the push block 332, friction resistance is reduced, smooth rotation of the switching gear 32 is ensured, and abrasion is reduced.
In this embodiment, the ink supply pump 2 is preferably a peristaltic pump.
In this embodiment, preferably, the ink supply pump 2 includes a pump housing 22 fixed on the base 1, an ink tube 23, a guide frame 24 and a pinch roller 25, where the ink tube 23 is attached to an annular sleeve of the pump housing 22, the guide frame 24 is connected to the driving gear 21 and rotates along with the driving gear 21, one or more pinch rollers 25 are connected to an outer periphery of the guide frame 24, the pinch roller 25 presses the ink tube 23, the ink tube 23 is placed in the pump housing 22 around a circle, as shown in fig. 1, the pinch roller 25 always presses the ink tube 23, when the pinch roller 25 rotates along with the guide frame 24, the pressing portion of the ink tube 23 moves forward, since the pressing portion of the ink tube 23 moves to squeeze ink out from one end, and the other end sucks ink, if the guide frame 24 continuously rotates along with one direction, the whole length of the ink tube 23 maintains continuous suction in one direction, and continuously supplies ink, which is the working principle of the ink supply pump 2.
In this embodiment, preferably, the hub of the driving gear 21 is provided with a protruding block, and the guide frame 24 is provided with a protruding block matching with the protruding block.
The present invention is not limited to the above embodiments, but can be implemented by any similar or identical means.
Claims (4)
1. An ink supply pump driving structure of an ink jet printer, comprising a base (1) and an ink supply pump (2) connected to the base (1), characterized in that: the ink supply pump (2) is a peristaltic pump, the ink supply pump (2) is provided with a driving gear (21), and the driving gear (21) is connected with a transmission gear (11); the ink printing device is characterized in that the base (1) is further connected with a switching device, the switching device comprises a transmission shaft (31), a switching gear (32) and a switching sliding block (33), the switching gear (32) is slidably connected to the right end part of the transmission shaft (31) close to the transmission gear (11) and synchronously rotates along with the transmission shaft (31), a spring (5) is arranged between the left side surface of the switching gear (32) and the transmission shaft (31), the spring (5) pushes the switching gear (32) to move rightwards to be meshed with the transmission gear (11), the switching sliding block (33) is provided with a stop block (331) for pushing a carriage and can move along the axial direction of the transmission shaft (31), the switching sliding block (33) is provided with a pushing block (332) contacted with the right side surface of the switching gear (32), the left end of the switching sliding block (33) is connected with a tension spring (4), the switching sliding block (33) limits the switching gear (32) to the left side to be separated from the transmission gear (11) under the action of the tension spring (4), the right end of the switching sliding block (33) is provided with a stop block (331) for pushing the carriage to move along the axial direction of the transmission gear (31), the ink printing device is fixedly connected with a printing roller (2) through a printing roller (23), and a printing roller (23) on a printing roller (23) and a printing roller (2), the ink tube (23) is attached to an annular sleeve of the pump shell (22), the guide frame (24) is connected to the driving gear (21) and rotates along with the driving gear (21), one or more pressing wheels (25) are connected to the periphery of the guide frame (24), and the pressing wheels (25) press the ink tube (23).
2. An ink supply pump driving structure of an ink jet printer according to claim 1, wherein: the right end part of the transmission shaft (31) is provided with a cross-shaped shaft section, and the switching gear (32) is provided with a corresponding cross-shaped mounting groove.
3. An ink supply pump driving structure of an ink jet printer according to claim 2, wherein: the push block (332) is of an annular structure, a plurality of sliding blocks abutted to the push block (332) are arranged on the right side face of the switching gear (32), the sliding blocks are circumferentially and uniformly distributed, and the head parts of the sliding blocks are inclined planes.
4. An ink supply pump driving structure of an ink jet printer according to claim 1, wherein: the hub of the driving gear (21) is provided with a protruding block, and the guide frame (24) is provided with a protruding block matched with the protruding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810851777.7A CN108839442B (en) | 2018-07-27 | 2018-07-27 | Ink supply pump driving structure of ink-jet printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810851777.7A CN108839442B (en) | 2018-07-27 | 2018-07-27 | Ink supply pump driving structure of ink-jet printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108839442A CN108839442A (en) | 2018-11-20 |
| CN108839442B true CN108839442B (en) | 2024-02-23 |
Family
ID=64195018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810851777.7A Active CN108839442B (en) | 2018-07-27 | 2018-07-27 | Ink supply pump driving structure of ink-jet printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108839442B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109664608B (en) * | 2018-12-05 | 2023-12-01 | 安徽银汉机电科技有限公司 | Adjustable ink supply pump |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2075128A (en) * | 1980-04-28 | 1981-11-11 | Lkb Produkter Ab | A peristaltic pump |
| JP2001246765A (en) * | 2001-02-02 | 2001-09-11 | Seiko Epson Corp | Ink jet recorder |
| US6491368B1 (en) * | 2001-12-03 | 2002-12-10 | Xerox Corporation | Priming system for multicolor ink jet printers |
| JP2004124812A (en) * | 2002-10-02 | 2004-04-22 | Sankyo Seiki Mfg Co Ltd | Tube type pump device |
| CN1509876A (en) * | 2002-12-24 | 2004-07-07 | ���ǵ�����ʽ���� | Pump for ink-jet printer |
| JP2005307879A (en) * | 2004-04-22 | 2005-11-04 | Seiko Epson Corp | Tube pump, and liquid injection device |
| CN208745544U (en) * | 2018-07-27 | 2019-04-16 | 新会江裕信息产业有限公司 | A kind of ink-suuplying pump driving structure of ink-jet printer |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4288993B2 (en) * | 2003-04-04 | 2009-07-01 | セイコーエプソン株式会社 | Tube pump and liquid injection device |
| US7300264B2 (en) * | 2003-09-08 | 2007-11-27 | Hewlett-Packard Development, L.P. | Peristaltic pump |
| US7942654B2 (en) * | 2007-08-03 | 2011-05-17 | Agilent Technologies, Inc. | Addressable multi-channel peristaltic pump |
-
2018
- 2018-07-27 CN CN201810851777.7A patent/CN108839442B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2075128A (en) * | 1980-04-28 | 1981-11-11 | Lkb Produkter Ab | A peristaltic pump |
| JP2001246765A (en) * | 2001-02-02 | 2001-09-11 | Seiko Epson Corp | Ink jet recorder |
| US6491368B1 (en) * | 2001-12-03 | 2002-12-10 | Xerox Corporation | Priming system for multicolor ink jet printers |
| JP2004124812A (en) * | 2002-10-02 | 2004-04-22 | Sankyo Seiki Mfg Co Ltd | Tube type pump device |
| CN1509876A (en) * | 2002-12-24 | 2004-07-07 | ���ǵ�����ʽ���� | Pump for ink-jet printer |
| JP2005307879A (en) * | 2004-04-22 | 2005-11-04 | Seiko Epson Corp | Tube pump, and liquid injection device |
| CN208745544U (en) * | 2018-07-27 | 2019-04-16 | 新会江裕信息产业有限公司 | A kind of ink-suuplying pump driving structure of ink-jet printer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108839442A (en) | 2018-11-20 |
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