CN106864047A - Printhead and the automatic adjusting mechanism in rubber roll gap - Google Patents
Printhead and the automatic adjusting mechanism in rubber roll gap Download PDFInfo
- Publication number
- CN106864047A CN106864047A CN201710126640.0A CN201710126640A CN106864047A CN 106864047 A CN106864047 A CN 106864047A CN 201710126640 A CN201710126640 A CN 201710126640A CN 106864047 A CN106864047 A CN 106864047A
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- China
- Prior art keywords
- printhead
- rubber roll
- base
- pressure
- automatic adjusting
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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 printhead and the automatic adjusting mechanism in rubber roll gap, the mechanism includes printhead base and the rubber roll on base plate, guide pillar is fixed on printhead base, realize motion guide in the hole that guide pillar is penetrated in drive mechanism, the power transmission shaft of drive mechanism is fixedly connected with printhead base, spring one end is pressed on printhead base by sensor pressing plate, pressure sensor is installed between sensor pressing plate and printhead base, the spring other end is mutually compressed with the support for being fixed with printhead, and printhead and its support are biased toward rubber roll under the action of the spring.The structure of the application measures pressure between printhead and rubber roll printing consumables by the pressure sensor between sensor pressing plate and printhead base, when consumptive material thickness is big, pressure parameter exceedes printer zone of reasonableness, and drive mechanism moves to printhead pressure and is in zone of reasonableness；When using relatively thin consumptive material, process is identical.Realize that the distance between printhead and rubber roll are adjusted using the measurement and feedback of pressure sensor, it is ensured that printer normally runs.
Description
Technical field
The invention belongs to printing device and engineering device technique field, designed especially for the head gap of printer
A kind of automatic adjusting mechanism that printhead and rubber roll gap can be realized automatically according to consumptive material thickness.
Background technology
Printer is most-often used a kind of office tools in modern office equipment, other office equipment phases such as itself and computer
Work is combined into provide a great convenience.Existing printer is broadly divided into impact printer, ink-jet and beats according to printing principle
Print machine and laser printer.With the development of thermo-sensitive material, temperature-sensitive technology is combined the heat-sensitive type that has been born and beats with printer arrangement
Print machine.Using the portable printer of temperature-sensitive fabrication techniques, compact, it is easy to carry, disclosure satisfy that user in mobile office
During printing need.Thermal printing cardinal principle is that carbon dust is transferred into paper or thin from carbon ribbon medium using heat and pressure
Film, when printhead and pressure roller of the label paper band by printer, carbon dust is transferred on label paper band, so that printing is realized, its
It is widely used in the various aspects of production and living, such as label printing, receipt printing etc..Regardless of the structure and original of printer
Reason, its final purpose is all that the content of printing will be needed to be presented on carrier, and these carriers for carrying the content of printing lead to
It is often the paper of unlike material.
Existing printer in the application, generally selects what the consumptive material papery of which kind of specification was all to determine, if selection and
The unmatched papery of printer requirement normally results in the generation of paper jam phenomenon.Its main cause be that printhead and rubber roll it
Between distance be all fixed, the thickness of the consumptive material for using is thicker, on printhead produce pressure it is bigger, conversely, the consumption for using
The thickness of material is thinner, and the pressure produced on printhead is smaller；So as to cause the generation of paper jam phenomenon.In thermal printer, when
The timing of printhead heating amount one, the pressure between printhead and rubber roll will directly affect print quality；If consumptive material thickness is smaller, pressure
When power is less than normal, printing character or not fogging Chu can be caused, or even directly skidded between rubber roll and consumptive material, it is impossible 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 printhead
Larger frictional force between consumptive material causes transmission mechanism to be stuck, and causes printer thoroughly to damage.
To reduce because printing consumables thickness change causes printer to damage, existing printer is typically to define and uses
The thickness of consumptive material or the manually distance in consumptive material thickness change between adjustment printhead and rubber roll.But for frequent
The printer of consumptive material is changed, be may result in using above-mentioned adjustment mode dumb apart from inaccurate, adjustment is adjusted.Therefore, it is necessary to
It is improved to realize the purpose of flexible, accurate regulation head and roll shaft distance on printer handpiece structure.
The content of the invention
The purpose of the present invention is that between the head and rubber roll that solve printer that distance and pressure can not flexible modulations, appearance
The defect that printer paperboard or thermal printing apparatus are damaged is easily caused, design is a kind of can be according to the pressure between head and rubber roll
The governor motion of the distance therebetween of automatically adjusting.The technical scheme for using for achieving the above object for：Printhead and glue
The automatic adjusting mechanism in roller gap, the mechanism includes printhead base and the rubber roll on base plate, solid on printhead base
Determine guide pillar, motion guide is realized in the hole that guide pillar is penetrated in drive mechanism, and the power transmission shaft of drive mechanism is fixed with printhead base and connected
Connect, spring one end is pressed on printhead base by sensor pressing plate, pressure is installed between sensor pressing plate and printhead base
Sensor, the spring other end is mutually compressed with the support for being fixed with printhead, and printhead and its support are biased toward under the action of the spring
Rubber roll.In said structure, printhead can be measured by the pressure sensor installed between sensor pressing plate and printhead base
And the pressure between the printing consumables on rubber roll, when consumptive material thickness is big, pressure sensor measures pressure parameter and exceedes printing
The rational pressure limit of machine, then feed back to drive mechanism, and drive mechanism drives printhead base motions, changes printhead 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 printhead and rubber roll, it is ensured that the normal operation of printer.
In order to ensure the accuracy of pressure sensor measurements, pressure sensor is fixedly mounted on printhead base with sensing
Device pressing plate is in contact the bottom of side, is adjusted by pressure value in real time between measurement printhead base and sensor pressing plate and beaten
Print head position base, changes the pressure between printing head and consumptive material.
For ensure be provided with the support of printhead can spring force effect under flexibly transverse shifting, on printhead base pacify
A transverse axis is filled, support both sides are slotted and run through by transverse axis, be so capable of achieving support and the flexible of printhead slides laterally.
In the transmission of sensor signal, pressure sensor is connected with drive mechanism, drive mechanism is according to real-time pressure
The pressure measurement data of sensor carries out motor adjustment.
In actually used, support is by 2 springs by sensor pressing plate top pressure, it is possible to achieve spring force is in sensor pressure
Uniform force application on plate, reduces the measurement error of pressure sensor.
Self-regulation structure of the invention is fixed on by base plate and final printer arrangement is assembled into print enclosure body.
The present invention according to detection printhead current pressure parameter, contrast standard print parameters, to printhead and rubber roll away from
It is consistent to reach different-thickness consumptive material pressure from being modified, it is ensured that printing effect is consistent, improve print quality.Its effect
Fruit is as follows：(1) when printing different-thickness consumptive material, it is not necessary to change printer or manually change spacing, it is ensured that printing effect is consistent；
(2) adjusting means is simple for structure；(3) printhead pressure parameter is corrected automatically according to different printing consumables thickness, reach most
Good printing effect.
Brief description of the drawings
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 roll；2nd, sensor pressing plate；3rd, drive mechanism；4th, guide pillar；5th, spring；6th, pressure sensor；7th, print
Head base；8th, support；9th, printhead；10th, base plate, 11, power transmission shaft；12nd, transverse axis.
Specific embodiment
Specific embodiment of the invention is described in detail below in conjunction with the accompanying drawings.If Fig. 1 is printhead of the invention
With the automatic adjusting mechanism overall schematic in rubber roll gap.As illustrated, the mechanism includes printhead base 7 and installed in base plate
Rubber roll 1 on 10, fixes guide pillar 4 on printhead base, motion guide, driving machine are realized in the hole that guide pillar is penetrated in drive mechanism 3
The power transmission shaft 11 of structure is fixedly connected with printhead base, and the one end of spring 5 is pressed on printhead base by sensor pressing plate 2,
Pressure sensor 6 is installed, the spring other end offsets with the support 8 for being fixed with printhead 9 between sensor pressing plate and printhead base
Pressure, printhead and its support are biased toward rubber roll under the action of the spring.Here spring is designed as left and right pair of bullet according to actual needs
Spring structure, connects a transverse axis 12 on printhead base, and support both sides are opened hole slot and run through by transverse axis, in the work of spring force
Under, support can be realized sliding laterally in dead slot；Above-mentioned whole adjustment structure is fixed in print enclosure body by base plate
Complete printer is assembled into afterwards.The course of work of above-mentioned self-regulation structure is as follows：(1) printer closes in loading consumptive material
After machine cover, drive mechanism 3 promotes printhead 9 to press to rubber roll 1 by printhead base 7, spring 5 and printing head support part 8；(2)
When rubber roll 1 withstands printhead 9, as drive mechanism continues to press on printhead base 7, spring 5 is compressed, pressure sensor 6
The pressure (i.e. the pressure of printhead dandy roll) of spring 5, pressure sensor detection printhead and glue are perceived by sensor pressing plate 2
Pressure parameter between roller, contrast standard pressure parameter, by correcting the distance between printhead base 7 and rubber roll 1, changes bullet
The decrement of spring 5, so as to reach amendment pressure to optimum range；(3) printer is started working；(4) after consumptive material printing is finished, machine
Device bonnet is opened, and the signal that triggering printhead unclamps, drive mechanism drives printhead to be located remotely from each other with rubber roll.Technology of the invention
Scheme is according to detection printhead real-time pressure parameter, and standard print parameter comparison, by printhead and the tune of the distance of rubber roll
Rebuild just to reach the different-thickness consistent row of consumptive material pressure, it is ensured that printing effect is consistent, improves print quality.
The specific embodiment that this is sent out has been described in detail above in association with embodiment, but the present invention is not limited to
Above-mentioned implementation method, in the ken that this area general technical staff possesses, 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 in printhead and rubber roll gap, the mechanism includes printhead base (7) and installed in base plate (10)
On rubber roll (1), characterized in that, fixing guide pillar (4) on printhead base, guide pillar penetrates the hole reality in drive mechanism (3)
Existing motion guide, the power transmission shaft (11) of drive mechanism is fixedly connected with printhead base, and spring (5) one end passes through sensor pressing plate
(2) be pressed on printhead base, between sensor pressing plate and printhead base install pressure sensor (6), the spring other end with
The support (8) for being fixed with printhead (9) is mutually compressed, and printhead and its support are biased toward rubber roll under the action of the spring.
2. the automatic adjusting mechanism in printhead according to claim 1 and rubber roll gap, it is characterised in that pressure sensor
Printhead base is fixedly mounted on to be in contact with sensor pressing plate the bottom of side.
3. the automatic adjusting mechanism in printhead according to claim 1 and rubber roll gap, it is characterised in that support is by peace
Transverse axis (12) on printhead base is realized sliding laterally.
4. the automatic adjusting mechanism in printhead according to claim 1 and rubber roll gap, it is characterised in that pressure sensor
It is connected with drive mechanism, drive mechanism carries out motor adjustment according to the pressure data of pressure sensor.
5. the automatic adjusting mechanism in printhead according to claim 1 and rubber roll gap, it is characterised in that support and sensing
Device pressing plate is by 2 springs by top pressure.
6. printhead and the automatic adjusting mechanism in rubber roll gap according to claim 1,2,3,4 or 5, it is characterised in that
The adjustment structure is fixed in print enclosure body by base 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106864047A true CN106864047A (en) | 2017-06-20 |
| CN106864047B CN106864047B (en) | 2019-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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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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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109203721A (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 print head are vertically moved up or down structure |
| 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 |
| 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 |
| CN109501471A (en) * | 2018-12-28 | 2019-03-22 | 湖南鼎致远科技发展有限公司 | Print head assembly and thermal transfer printer with it |
| CN109591469A (en) * | 2018-12-28 | 2019-04-09 | 湖南鼎致远科技发展有限公司 | The control system of thermal transfer printer and thermal transfer printer with it |
| CN110217004A (en) * | 2019-06-17 | 2019-09-10 | 中山市毕升打印科技有限公司 | A kind of price labeling print components and price labeling |
| CN110217002A (en) * | 2019-06-17 | 2019-09-10 | 中山市毕升打印科技有限公司 | A kind of price labeling print module and price labeling |
| CN110217003A (en) * | 2019-06-17 | 2019-09-10 | 中山市毕升打印科技有限公司 | A kind of price labeling |
| CN110328976A (en) * | 2019-08-13 | 2019-10-15 | 林威 | Driving device of printer head |
| CN113043719A (en) * | 2021-03-16 | 2021-06-29 | 江西万丽龙实业有限公司 | Auxiliary adjusting device for printing roller gap |
| CN116674304A (en) * | 2023-06-09 | 2023-09-01 | 珠海恒茂电子科技有限公司 | Printer core and printer with balanced pressing force |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109203721A (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 print head are vertically moved up or down structure |
| 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 |
| CN109591469A (en) * | 2018-12-28 | 2019-04-09 | 湖南鼎致远科技发展有限公司 | The control system of thermal transfer printer and thermal transfer printer with it |
| CN109501471A (en) * | 2018-12-28 | 2019-03-22 | 湖南鼎致远科技发展有限公司 | Print head assembly and thermal transfer printer with it |
| 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 |
| CN110217004A (en) * | 2019-06-17 | 2019-09-10 | 中山市毕升打印科技有限公司 | A kind of price labeling print components and price labeling |
| CN110217002A (en) * | 2019-06-17 | 2019-09-10 | 中山市毕升打印科技有限公司 | A kind of price labeling print module and price labeling |
| CN110217003A (en) * | 2019-06-17 | 2019-09-10 | 中山市毕升打印科技有限公司 | A kind of price labeling |
| CN110328976A (en) * | 2019-08-13 | 2019-10-15 | 林威 | Driving device of printer head |
| CN113043719A (en) * | 2021-03-16 | 2021-06-29 | 江西万丽龙实业有限公司 | Auxiliary adjusting device for printing roller gap |
| CN116674304A (en) * | 2023-06-09 | 2023-09-01 | 珠海恒茂电子科技有限公司 | Printer core and printer with balanced pressing force |
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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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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. |