CN106864047B - The automatic adjusting mechanism of print head and rubber roller gap - Google Patents
The automatic adjusting mechanism of print head and rubber roller gap Download PDFInfo
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- CN106864047B CN106864047B CN201710126640.0A CN201710126640A CN106864047B CN 106864047 B CN106864047 B CN 106864047B CN 201710126640 A CN201710126640 A CN 201710126640A CN 106864047 B CN106864047 B CN 106864047B
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- print head
- rubber roller
- pedestal
- automatic adjusting
- head pedestal
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- 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
- B41J25/00—Actions or mechanisms not otherwise provided for
- B41J25/304—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface
- B41J25/312—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with print pressure adjustment mechanisms, e.g. pressure-on-the paper mechanisms
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Abstract
The invention discloses the automatic adjusting mechanisms of print head and rubber roller gap, the mechanism includes print head pedestal and the rubber roller that is mounted on bottom plate, guide post is fixed on print head pedestal, guide post penetrates the hole in driving mechanism and realizes motion guide, the transmission shaft of driving mechanism is fixedly connected with print head pedestal, spring one end is pressed on print head pedestal by sensor pressing plate, pressure sensor is installed between sensor pressing plate and print head pedestal, the spring other end is pressed against each other with the bracket for being fixed with print head, and print head and its bracket are biased toward rubber roller under the action of the spring.The structure of the application measures pressure between print head and rubber roller printing consumables by the pressure sensor between sensor pressing plate and print head pedestal, when consumptive material thickness is big, pressure parameter is more than printer zone of reasonableness, and driving mechanism moves to printhead pressure and is in zone of reasonableness；When using relatively thin consumptive material, process is identical.It realizes that the distance between print head and rubber roller adjust using the measurement and feedback of pressure sensor, ensure that printer operates normally.
Description
Technical field
The invention belongs to printing devices and engineering device technique field, design especially for the head gap of printer
A kind of automatic adjusting mechanism that print head and rubber roller gap can be realized automatically according to consumptive material thickness.
Background technique
Printer is other office equipment phases such as a kind of office tools, and computer most-often used in modern office equipment
Work is combined into provide a great convenience.According to printing, principle is broadly divided into stylus printer to existing printer, ink-jet is beaten
Print machine and laser printer.With the development of thermo-sensitive material, temperature-sensitive technology combines the heat-sensitive type that has been born with printer arrangement and beats
Print machine.The portable printer made using temperature-sensitive technology, compact are easy to carry about with one, and can satisfy user in mobile office
Printing in the process needs.Thermal printing cardinal principle is that carbon dust is transferred to paper or thin from carbon ribbon medium using heat and pressure
Film, when label paper band passes through the print head and pressure roller of printer, carbon dust is transferred on label paper band, thus realize printing,
The various aspects of production and living are widely used in, if label prints, receipt printing etc..Regardless of the structure and original of printer
Reason, final purpose are all that the content printed will be needed to be presented on carrier, and the carrier of the content of these carrying printings is logical
It is often the paper of unlike material.
In the application, it is all determining for generally selecting the consumptive material papery of which kind of specification to existing printer, if selection and
Printer requires unmatched papery to normally result in the generation of paper jam phenomenon.Its main cause be that print head and rubber roller it
Between distance be fixed, the thickness of the consumptive material used is thicker, and the pressure generated on print head is bigger, conversely, the consumption used
The thickness of material is thinner, and the pressure generated on print head is smaller；So as to cause the generation of paper jam phenomenon.In thermal printer, when
One timing of print head heating amount, the pressure between print head and rubber roller will directly affect print quality；If consumptive material thickness is smaller, pressure
When power is less than normal, will lead to printing character or image is unclear in addition rubber roller and consumptive material between directly skid, be unable to drive consumptive material paper
It is mobile；When the thickness of consumptive material paper is partially thick, pressure is bigger than normal, and gradation of drop-out colour is higher, and carbon ribbon can be burnt, or even can be because of print head
Larger frictional force between consumptive material causes transmission mechanism to be stuck, and printer is caused thoroughly to damage.
To reduce since printing consumables thickness change causes printer to damage, existing printer is usually to define use
The thickness of consumptive material or manually in consumptive material thickness change adjust print head between rubber roller at a distance from.But for frequent
The printer for replacing consumptive material, will lead to that distance adjustment is inaccurate, adjustment is not flexible using above-mentioned adjustment mode.Therefore, it is necessary to
It is improved on printer handpiece structure to realize the purpose for flexibly, accurately adjusting head and roll shaft distance.
Summary of the invention
The object of the invention is that solve between the head and rubber roller of printer distance and pressure can not flexible modulation, hold
The defect of printer paper jam or thermal printing apparatus damage is easily led to, designing one kind can be according to the pressure between head and rubber roller
The regulating mechanism for the distance therebetween of automatically adjusting.The technical solution used for achieving the above object are as follows: print head and glue
The automatic adjusting mechanism in roller gap, the mechanism include print head pedestal and the rubber roller that is mounted on bottom plate, solid on print head pedestal
Determine guide post, guide post penetrates the hole in driving mechanism and realizes motion guide, and the transmission shaft and print head pedestal of driving mechanism are fixed to be connected
It connects, spring one end is pressed on print head pedestal by sensor pressing plate, installs pressure between sensor pressing plate and print head pedestal
Sensor, the spring other end are pressed against each other with the bracket for being fixed with print head, and print head and its bracket are biased toward under the action of the spring
Rubber roller.In above structure, print head can be measured by the pressure sensor installed between sensor pressing plate and print head pedestal
Pressure between the printing consumables on rubber roller, when consumptive material thickness is big, it is more than printing that pressure sensor, which measures pressure parameter,
The reasonable pressure limit of machine then feeds back to driving mechanism, and driving mechanism drives print head base motions, changes print head and consumptive material
Pressure be in zone of reasonableness after stop；When using relatively thin consumptive material, process is identical.Using above-mentioned pressure sensor measurement and
Feedback realizes the adjustment of the distance between print head and rubber roller, ensure that the normal operation of printer.
In order to guarantee the accuracy of pressure sensor measurements, pressure sensor is fixedly mounted on print head pedestal and sensing
Device pressing plate is in contact the bottom of side, is beaten by the pressure value adjustment between real-time measurement print head pedestal and sensor pressing plate
Head position base is printed, the pressure between printing head and consumptive material is changed.
For guarantee to be equipped with print head bracket can under spring force effect flexible transverse shifting, pacify on print head pedestal
A horizontal axis is filled, bracket two sides are slotted and run through by horizontal axis, and bracket can be realized in this way and the flexible of print head slides laterally.
In the transmission of sensor signal, pressure sensor is connect with driving mechanism, driving mechanism is according to real-time pressure
The pressure measurement data of sensor carries out motor adjustment.
In actual use, bracket is pressed by 2 springs by sensor pressing plate, and spring force may be implemented in sensor pressure
Uniform force application on plate reduces the measurement error of pressure sensor.
Self-regulation structure of the invention is fixed in print enclosure body by bottom plate and is assembled into final printer arrangement.
The present invention is according to detection print head current pressure parameter, contrast standard print parameters, to print head and rubber roller away from
It is consistent to reach different-thickness consumptive material pressure from being modified, it is ensured that printing effect is consistent, improves print quality.It is imitated
Fruit is as follows: when (1) printing different-thickness consumptive material, not needing replacement printer or manually changes spacing, guarantees that printing effect is consistent；
(2) regulating device is simple for structure；(3) printhead pressure parameter is corrected automatically according to different printing consumables thickness, reach most
Good printing effect.
Detailed description of the invention
Fig. 1 is automatic adjusting mechanism overall schematic of the invention；
Fig. 2 is automatic adjusting mechanism front view of the invention；
Fig. 3 is automatic adjusting mechanism top view of the invention；
Fig. 4 is automatic adjusting mechanism exploded view of the invention；
In figure, 1, rubber roller；2, sensor pressing plate；3, driving mechanism；4, guide post；5, spring；6, pressure sensor；7, it prints
Head pedestal；8, bracket；9, print head；10, bottom plate, 11, transmission shaft；12, horizontal axis.
Specific embodiment
Detailed description of the preferred embodiments with reference to the accompanying drawing.If Fig. 1 is print head of the invention
With the automatic adjusting mechanism overall schematic in rubber roller gap.As shown, the mechanism includes print head pedestal 7 and is mounted on bottom plate
Rubber roller 1 on 10, guide post 4 is fixed on print head pedestal, and guide post penetrates the hole in driving mechanism 3 and realizes motion guide, driving machine
The transmission shaft 11 of structure is fixedly connected with print head pedestal, and 5 one end of spring is pressed on print head pedestal by sensor pressing plate 2,
Pressure sensor 6 is installed, the spring other end offsets with the bracket 8 for being fixed with print head 9 between sensor pressing plate and print head pedestal
Pressure, print head and its bracket are biased toward rubber roller under the action of the spring.Here spring is designed as left and right double bullets according to actual needs
Spring structure connects a horizontal axis 12 on print head pedestal, and bracket two sides are opened hole slot and run through by horizontal axis, in the work of spring force
Under, bracket can be realized in empty slot and be slid laterally；Above-mentioned entire adjustment structure is fixed in print enclosure body by bottom plate
After be assembled into complete printer.The course of work of above-mentioned self-regulation structure is as follows: (1) printer is closed in loading consumptive material
After machine cover, driving mechanism 3 pushes print head 9 to press to rubber roller 1 by print head pedestal 7, spring 5 and printing head support part 8；(2)
When rubber roller 1 withstands print head 9, as driving mechanism continues to press on print head pedestal 7, spring 5 is compressed, pressure sensor 6
The pressure (i.e. the pressure of print head dandy roll) of spring 5 is perceived by sensor pressing plate 2, pressure sensor detects print head and glue
Pressure parameter between roller, contrast standard pressure parameter change bullet by correcting the distance between print head pedestal 7 and rubber roller 1
The decrement of spring 5, to reach amendment pressure to optimum range；(3) printer is started to work；(4) after consumptive material printing, machine
Device rear cover is opened, the signal that triggering print head unclamps, and driving mechanism driving print head is located remotely from each other with rubber roller.Technology of the invention
Scheme passes through tune of the print head at a distance from rubber roller with standard print parameter comparison according to detection print head real-time pressure parameter
Trimming is just to reach the consistent row of different-thickness consumptive material pressure, it is ensured that printing effect is consistent, improves print quality.
The specific embodiment of this hair is described in detail in conjunction with the embodiments above, but the present invention is not limited to
Above-mentioned embodiment in the knowledge that general technical staff has in this field, can also not depart from present inventive concept
Under the premise of various change it is all within the scope of the present invention.
Claims (6)
1. the automatic adjusting mechanism of print head and rubber roller gap, which includes print head pedestal (7) and is mounted on bottom plate (10)
On rubber roller (1), it is characterized in that, fixed on print head pedestal guide post (4), guide post penetrate the hole on driving mechanism (3) with
Realize print head pedestal horizontal movement guiding, the transmission shaft (11) of driving mechanism is fixedly connected with print head pedestal, and transmission shaft exists
It is moved horizontally under driving mechanism function to push print head pedestal to translate, spring (5) one end is pressed on by sensor pressing plate (2)
On print head pedestal, pressure sensor (6) are installed between sensor pressing plate and print head pedestal, the spring other end and are fixed with printing
The bracket (8) of head (9) is pressed against each other, and print head and its bracket are biased toward rubber roller under the action of the spring.
2. the automatic adjusting mechanism of print head according to claim 1 and rubber roller gap, which is characterized in that pressure sensor
Print head pedestal is fixedly mounted on to be in contact with sensor pressing plate the bottom of side.
3. the automatic adjusting mechanism of print head according to claim 1 and rubber roller gap, which is characterized in that bracket passes through peace
Horizontal axis (12) realization on print head pedestal slides laterally.
4. the automatic adjusting mechanism of print head according to claim 1 and rubber roller gap, which is characterized in that pressure sensor
It is connect with driving mechanism, driving mechanism carries out motor adjustment according to the pressure data of pressure sensor.
5. the automatic adjusting mechanism of print head according to claim 1 and rubber roller gap, which is characterized in that bracket and sensing
Device pressing plate is pressed by 2 springs.
6. the according to claim 1, automatic adjusting mechanism of print head described in 2,3,4 or 5 and rubber roller gap, which is characterized in that
The print head and the automatic adjusting mechanism in rubber roller gap are fixed in print enclosure body by bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710126640.0A CN106864047B (en) | 2017-03-03 | 2017-03-03 | The automatic adjusting mechanism of print head and rubber roller gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710126640.0A CN106864047B (en) | 2017-03-03 | 2017-03-03 | The automatic adjusting mechanism of print head and rubber roller gap |
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| Publication Number | Publication Date |
|---|---|
| CN106864047A CN106864047A (en) | 2017-06-20 |
| CN106864047B true CN106864047B (en) | 2019-01-04 |
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| CN201710126640.0A Active CN106864047B (en) | 2017-03-03 | 2017-03-03 | The automatic adjusting mechanism of print head and rubber roller gap |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109203720A (en) * | 2018-08-13 | 2019-01-15 | 湖南鼎致远科技发展有限公司 | A kind of thermal transfer printer and its printhead pressure detection structure |
| CN109203721B (en) * | 2018-08-13 | 2024-04-09 | 湖南鼎一致远科技发展有限公司 | Thermal transfer printer and vertical lifting structure of printing head thereof |
| CN109367245A (en) * | 2018-10-26 | 2019-02-22 | 湖南鼎致远科技发展有限公司 | A kind of paper feed precision control device and its thermal transfer printer |
| CN109591469B (en) * | 2018-12-28 | 2020-09-29 | 湖南鼎一致远科技发展有限公司 | Control system of thermal transfer printer and thermal transfer printer with control system |
| CN109501471B (en) * | 2018-12-28 | 2024-06-07 | 湖南鼎一致远科技发展有限公司 | Printing head assembly and thermal transfer printer with same |
| CN110217004B (en) * | 2019-06-17 | 2024-08-02 | 中山市毕升打印科技有限公司 | Printing component for labeler and labeler |
| CN110217003B (en) * | 2019-06-17 | 2024-10-01 | 中山市毕升打印科技有限公司 | Labelling machine |
| CN110217002B (en) * | 2019-06-17 | 2024-09-20 | 中山市毕升打印科技有限公司 | Printing module for labeler and labeler |
| CN110328976A (en) * | 2019-08-13 | 2019-10-15 | 林威 | Driving device of printer head |
| CN113043719B (en) * | 2021-03-16 | 2022-10-21 | 江西万丽龙实业有限公司 | Auxiliary adjusting device for printing roller gap |
| CN116674304B (en) * | 2023-06-09 | 2024-06-21 | 珠海恒茂电子科技有限公司 | Printer core and printer with balanced pressing force |
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| JPH1148507A (en) * | 1997-07-30 | 1999-02-23 | Seiko Instr Inc | Line thermal printer |
| JP4321151B2 (en) * | 2003-07-23 | 2009-08-26 | 沖電気工業株式会社 | Printer |
| JP2008238568A (en) * | 2007-03-27 | 2008-10-09 | Oki Data Corp | Image recording device |
| CN100551711C (en) * | 2007-08-31 | 2009-10-21 | 中外合资南京富士通计算机设备有限公司 | Method and printer suitable for printing ultra-thick certificate |
| CN100558558C (en) * | 2008-08-19 | 2009-11-11 | 新会江裕信息产业有限公司 | A kind of automatic checking and regulating device at printing interval of printer |
| JP5558326B2 (en) * | 2010-11-30 | 2014-07-23 | シチズンホールディングス株式会社 | Thermal print head device and thermal printer |
| WO2013025746A1 (en) * | 2011-08-15 | 2013-02-21 | Videojet Technologies Inc. | Thermal transfer printer |
| EP2765005B1 (en) * | 2011-10-07 | 2017-12-06 | Fujitsu Component Limited | Printer device |
| JP6351502B2 (en) * | 2014-12-24 | 2018-07-04 | セイコーインスツル株式会社 | Printing unit and thermal printer |
| CN204547382U (en) * | 2015-03-20 | 2015-08-12 | 大连中盈科技股份有限公司 | One can with the self-adjusting printer of the thick change of paper |
| CN206536995U (en) * | 2017-03-03 | 2017-10-03 | 上海威侃电子材料有限公司 | Printhead and the automatic adjusting mechanism in rubber roll gap |
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Application publication date: 20170620 Assignee: Feima (Jiangsu) Intelligent Technology Co.,Ltd. Assignor: SHANGHAI VARICUT ELECTRONIC MATERIAL Co.,Ltd. Contract record no.: X2020990000602 Denomination of invention: Automatic adjusting mechanism of the gap between print head and cot Granted publication date: 20190104 License type: Common License Record date: 20201117 |
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| TR01 | Transfer of patent right | ||
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Effective date of registration: 20220215 Address after: 215400 No. 77, Weihai Road, Taicang City, Suzhou City, Jiangsu Province Patentee after: Feima (Jiangsu) Intelligent Technology Co.,Ltd. Patentee after: Shanghai weikan Electronic Material Co., Ltd Address before: 201801 no.655, Fengmao Road, Madong Industrial Park, Malu Town, Jiading District, Shanghai Patentee before: SHANGHAI VARICUT ELECTRONIC MATERIAL CO.,LTD. |