CN203792919U - Ink jet printer paper pressing mechanism - Google Patents
Ink jet printer paper pressing mechanism Download PDFInfo
- Publication number
- CN203792919U CN203792919U CN201420180605.9U CN201420180605U CN203792919U CN 203792919 U CN203792919 U CN 203792919U CN 201420180605 U CN201420180605 U CN 201420180605U CN 203792919 U CN203792919 U CN 203792919U
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- China
- Prior art keywords
- pinch roller
- pressing mechanism
- jet printer
- ink jet
- paper
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Abstract
The utility model discloses an ink jet printer paper pressing mechanism. The ink jet printer paper pressing mechanism comprises a pressure roller, a pinch roller fixation base assembly and a compaction wheel shaft. The pinch roller fixation base assembly fixedly connects the pressure roller with the compaction wheel shaft. The ink jet printer paper pressing mechanism is characterized by further comprising a compaction shaft adjusting block and an eccentric hand wheel. The upper end of the compaction shaft adjusting block is provided with a through hole for the compaction wheel shaft to penetrate, and the lower end of the compaction shaft adjusting block is provided with a U-shaped groove; and the eccentric hand wheel is of a cylindrical cam structure, a cam structure at a tail end is arranged in the U-shaped groove of the compaction shaft adjusting block, and through rotating the eccentric hand wheel, the compaction shaft adjusting block is driven to rotate so as to drive the compaction wheel shaft, and the pinch roller fixation base assembly and the pinch roller which are installed on the compaction wheel shaft to rotate. According to the utility model, the paper pressing mechanism adjusts a gap between a driving roller and a pressure roller which clamp a printing medium and bearing forces, so that the proper compacting forces are applied to printing medium, and the stability of the printing medium during a transmission process is ensured.
Description
Technical field
The utility model relates to a kind of steadily paper-pressing mechanism of ink jet printer of transmission of print media of controlling in printing paper feed process.
Background technology
Ink-jet printer, by from ink gun ejection ink droplet, drops on print media relevant position to form the printing of required image or word.The kind of print media is varied, print What also varies, in printing variable datas such as bill inventory, bar code, envelope address, conventionally the use printer of paper feed fast, printer paper-feeding part is passed through print media fast, the printing portion of paper feed part top continues print media inkjet printing picture and text, print picture and text one-shot forming and no longer carry out secondary air brushing, simultaneously in print procedure, need printed breadth to furl in time, avoid printed breadth contaminated.In the process transmitting fast at print media, need to ensure that it has certain tensile force and steadily transmits, only rely on motor to drive the rotation of take-up roll and paper feeding shaft and tension force stick to feed back tensioning and be difficult for ensureing the stable at the uniform velocity transmission of print media, also print media transmission situation cannot be fed back to shower nozzle and carry out shower nozzle ink-jet adjustment, if the print media of changing different-thickness is more difficult to guarantee the steady transmission of print media, so be necessary that the live-roller that a higher Electric Machine Control of precision is installed transmits print media, and coordinate a mechanism that print media is compressed constraint in transport process, avoid steadily not causing in transport process due to print media the decline of air brushing quality.
Summary of the invention
For problems of the prior art, it is a kind of in print media transport process that the purpose of this utility model is to provide, and print media is suitably compressed to the paper-pressing mechanism of ink jet printer that it is steadily transmitted.
For achieving the above object, the utility model proposes a kind of paper-pressing mechanism of ink jet printer, comprise pressure roller, the assembling of pinch roller holder and compress wheel shaft, the assembling of pinch roller holder is fixedly connected with pressure roller with compression wheel shaft, it is characterized in that, also comprise compression axis regulating block and eccentric handwheel, compression axis regulating block upper end arranges through hole in order to penetrate compression wheel shaft, and compression axis regulating block lower end arranges a U-shaped groove; Eccentric handwheel is a cylinder cam structure, the cam structure of end is arranged in the U-shaped groove of compression axis regulating block, by rotating eccentric handwheel, drive the rotation of compression axis regulating block, thereby drive the assembling of pinch roller holder and the pressure roller rotation that compress wheel shaft and be installed on it.
In above-mentioned paper-pressing mechanism of ink jet printer, described eccentric handwheel connects an eccentric handwheel handle, controls the rotation of eccentric handwheel by turning handle.
In above-mentioned paper-pressing mechanism of ink jet printer, described eccentric handwheel bottom arranges a half slot, and a banking stop being fixedly installed on printer housing is set in half slot, and banking stop limits the anglec of rotation of eccentric handwheel.
In above-mentioned paper-pressing mechanism of ink jet printer, described compression axis regulating block upper end arranges screwed hole, jackscrew is set in screwed hole compression axis regulating block and compression wheel shaft are fixed.
In above-mentioned paper-pressing mechanism of ink jet printer, described pinch roller holder assembling comprises pinch roller holder and pinch roller fork, pinch roller holder arranges through hole and penetrates compression wheel shaft, and pinch roller fork arranges through hole and penetrates pressure roller, and pinch roller holder is fixedly connected with by pivot pin with pinch roller fork.
In above-mentioned paper-pressing mechanism of ink jet printer, described pinch roller holder is connected by jackscrew with compression wheel shaft.
In above-mentioned paper-pressing mechanism of ink jet printer, described pinch roller fork and pressure roller are connected by screw.
In above-mentioned paper-pressing mechanism of ink jet printer, described pinch roller holder fit on also arranges a pinch roller adjustment screw and pinch roller pressing plate, pinch roller pressing plate is a panel beating bending component, upper end arranges U-shaped draw-in groove, pinch roller pressing plate is arranged on pinch roller holder and assembles a side, pinch roller adjustment screw is arranged in the U-shaped draw-in groove of pinch roller pressing plate, can regulate pressure roller around the anglec of rotation that compresses wheel shaft by trace.
In above-mentioned paper-pressing mechanism of ink jet printer, described paper-pressing mechanism can magnitude setting be at least one.
The utility model adopts paper-pressing mechanism to clamping gap and stressed adjusting between the live-roller of print media and pressure roller, thereby makes print media be subject to suitable thrust, ensure print media in transport process steadily; In the time changing the print media of different-thickness, can manually regulate the position of pressure roller in paper-pressing mechanism, pick up the thrust suitable to print media, ensure that print media transmits steadily, guarantees air brushing quality.
Brief description of the drawings
Fig. 1 is the structural representation of ink-jet printer paper feed part in the utility model;
Fig. 2 is paper-pressing mechanism of ink jet printer and live-roller installation site schematic diagram in the utility model;
Fig. 3 is paper-pressing mechanism of ink jet printer structural representation in the utility model;
Fig. 4 is the local location schematic diagram of eccentric handwheel, eccentric handwheel handle and limited block in paper-pressing mechanism of ink jet printer in the utility model;
Fig. 5 is the local part explosive view of paper-pressing mechanism of ink jet printer in the utility model;
Fig. 6 is pinch roller holder assembly structure schematic diagram in paper-pressing mechanism of ink jet printer in the utility model.
Detailed description of the invention
Describe a specific embodiment of the present utility model in detail below in conjunction with accompanying drawing.
Ink-jet printer is mainly used in printing variable data, the paper feed part of printer is for the transmission of print media, the ink-jet part (not shown) that install paper feed part top is carried out single pass inkjet printing to print media, as shown in Figure 1, the paper feed part of ink-jet printer mainly comprises paper feeding shaft 2, paper-pressing mechanism 3, tension axis 4, deflector roll 5, variable-frequency motor 6, base supports 7, shell 8 and take-up roll 9, print media 1 is arranged on paper feeding shaft 2, finally be wound on take-up roll 9 through each tension axis 4 and deflector roll 5, thereby tension axis 4 feeds back the tensile force of print media 1 controls print media 1 in suitable tensioning state, deflector roll 5 is controlled direction of transfer and the paper feed track of print media 1, variable-frequency motor 6 is for driving the rotation of paper feeding shaft 2 and take-up roll 9, thereby make print media 1 be sent on take-up roll 9 by paper feeding shaft 2 edges both fixed track, in the continuous transport process of print media 1, the ink-jet part (not shown) that install paper feed part top is sprayed ink, print picture and text.In print procedure, for the transmission of print media 1 steady, above paper feed part, a side arranges paper-pressing mechanism 3, for printing the suitable compression print media 1 of paper feed process, base supports 7 part is mounted to one and plays a supporting role, shell 8 is installed on paper feed part outside, fixing for the attractive in appearance and part of machine.
As in Figure 2-4, paper-pressing mechanism 3 mainly comprises pressure roller 11, pinch roller holder assembling 12, compress wheel shaft 13, compression axis regulating block 14, eccentric handwheel 15 and eccentric handwheel handle 16, eccentric handwheel 15 is a cylinder cam structure, eccentric handwheel handle 16 is arranged on eccentric handwheel 15 ends, for the eccentric handwheel 15 of hand rotation, eccentric handwheel 15 other ends insert in the U-shaped groove of compression axis regulating block 14 one end, one half slot 112 is set in the lower end of eccentric handwheel cylindrical handle, one banking stop 111 is set in groove, as shown in Figure 4, banking stop 111 is fixedly mounted on (not shown) on shell 8.The other end of compression axis regulating block 14 arranges through hole and penetrates compression wheel shaft 13, compression wheel shaft 13 arranges the assembling 12 of pinch roller holder near compression axis regulating block 14 one end pressure roller 11 and compression wheel shaft 13 is coupled together, by the eccentric handwheel 15 of manual rotation, make 14 drives of compression axis regulating block compress wheel shaft 13 and rotate, rotate taking compression wheel shaft 13 as axis thereby make to be arranged on the assembling 12 of pinch roller holder and the pressure roller 11 that compress on wheel shaft 13.A side at pressure roller 11 is provided with live-roller 17, position as shown in Figure 2, print media 1 passes from live-roller 17 and pressure roller 11 center slot, ensure the active force between print media and live-roller 17 by the position adjustment of pressure roller 11, thereby make print media steadily transmit, a side at live-roller 17 connects motor shaft bearing sleeve 18, motor shaft bearing sleeve 18 opposite sides connect shaft coupling seat 19, the shaft coupling (not shown) that is arranged on shaft coupling seat 19 inside connects motor 20, drives print media 1 to transmit thereby motor 20 drives live-roller 17 to rotate.
Below in conjunction with structure and the assembling process of the assembling of Fig. 5-6 explanation pinch roller holder, pinch roller holder assembling 12 comprises pinch roller holder 21, bearing 22, back-up ring 23 for hole, pinch roller fork 25, pivot pin 27, pinch roller pressing plate 28 and pinch roller adjustment screw 29, first pinch roller holder 21 lower end through holes are pierced into and compress wheel shaft 13, pressure roller 11 ends of upper end are installed bearing 22, pinch roller fork 25 is inserted in the draw-in groove of pinch roller holder 21 upper ends, the through hole of pinch roller fork 25 upper ends just in time pierces into pressure roller 11 ends and bearing 22, then snap in the through hole of pinch roller fork 25 upper ends with hole back-up ring 23, by fixing bearing 22, with screw 26, packing ring 24 is fixed to again to the outer end of bearing 22, screw 26 screws in the end endoporus of pressure roller 11, the upper end of pinch roller fork 25 bottoms and pinch roller holder 21 is also provided with the through hole cooperatively interacting on same straight line, bearing pin 27 is fixedly attached to one through through hole by pinch roller fork 25 and pinch roller holder 21.Pinch roller pressing plate 28 is installed in one side of pinch roller holder 21, pinch roller pressing plate 28 is a panel beating bending part, pinch roller pressing plate 28 upper ends arrange U-shaped groove, one pinch roller adjustment screw 29 is set in groove, pinch roller adjustment screw 29 penetrates in the through hole on pinch roller fork, by regulating the micro-connection pressure roller 11 of pinch roller adjustment screw 29 and the thrust of live-roller 17 to print media 1.
Regulating the process of print media to do one to paper-pressing mechanism 3 compressions below illustrates, before printing, when live-roller 17 with pressure roller 11 in released state, being clipped in live-roller 17 transmits under relaxation cases with the print media 1 in the middle of pressure roller 11, live-roller 17 need to be contacted and is close to pressure roller 11, be rotated counterclockwise eccentric handwheel handle 16, wheel pressing shaft regulating block 14 leans under effect and turns clockwise at the cylindrical cam of eccentric handwheel 15 ends, owing to compressing wheel shaft 13 ends through the circular hole on shell 8, retrain the displacement that compresses wheel shaft 13, thereby compressing wheel shaft 13 is rotated counterclockwise, be fixed on the pinch roller holder assembling 12 band dynamic pressure rollers 11 that compress on wheel shaft 13 is rotated counterclockwise simultaneously, move near the direction of live-roller 17, thereby live-roller 17 and pressure roller 11 are close to, if desired when live-roller 17 separation with pressure roller 11, eccentric handwheel handle 16 turns clockwise, wheel pressing shaft regulating block 14 leans under effect and is rotated counterclockwise at the cylindrical cam of eccentric handwheel 15 ends, owing to compressing wheel shaft 13 ends through the circular hole on shell 8, retrain the displacement that compresses wheel shaft 13, thereby compressing wheel shaft 13 turns clockwise, being fixed on the pinch roller holder assembling 12 band dynamic pressure rollers 11 that compress on wheel shaft 13 turns clockwise, move away from the direction of live-roller 17, thereby live-roller 17 is separated with pressure roller 11.When trace regulates the position of pressure roller 11 if necessary, also can be undertaken by rotation pinch roller adjustment screw 29, while turning clockwise pinch roller adjustment screw 29, pinch roller adjustment screw 29 is inwardly screwed into the through hole of pinch roller fork 25, drive pinch roller fork 25 to away from live-roller 17 direction rotations, thereby to the direction trace rotation away from live-roller 17, loosen the compression to print media 1 with dynamic pressure roller 11; If be rotated counterclockwise pinch roller adjustment screw 29, outwards the back-out through hole of pinch roller fork 25 of pinch roller adjustment screw 29, drive pinch roller fork 25 to close live-roller 17 direction rotations, thereby rotate to the direction trace near live-roller 17 with dynamic pressure roller 11, compress print media 1.Paper-pressing mechanism 3 to be regulated is placed in after suitable thrust print media 1, starts to print, and when printing, motor 20 drives live-roller 17 to rotate, and steadily carries print media 1.When not printing while only print media being carried out to folding and unfolding, regulate pressure roller 11 away from live-roller 17, utilize variable-frequency motor 6 to drive paper feeding shaft 2 and take-up roll 9 fast rotational, complete the operation of folding and unfolding paper.
It is to be noted and any distortion of making according to detailed description of the invention of the present utility model all do not depart from the scope that spirit of the present utility model and claim are recorded.
Claims (9)
1. a paper-pressing mechanism of ink jet printer, comprise pressure roller, the assembling of pinch roller holder and compress wheel shaft, the assembling of pinch roller holder is fixedly connected with pressure roller with compression wheel shaft, it is characterized in that, also comprise compression axis regulating block and eccentric handwheel, compression axis regulating block upper end arranges through hole in order to penetrate compression wheel shaft, and compression axis regulating block lower end arranges a U-shaped groove; Eccentric handwheel is a cylinder cam structure, the cam structure of end is arranged in the U-shaped groove of compression axis regulating block, by rotating eccentric handwheel, drive the rotation of compression axis regulating block, thereby drive the assembling of pinch roller holder and the pressure roller rotation that compress wheel shaft and be installed on it.
2. paper-pressing mechanism of ink jet printer as claimed in claim 1, is characterized in that, described eccentric handwheel connects an eccentric handwheel handle, controls the rotation of eccentric handwheel by turning handle.
3. paper-pressing mechanism of ink jet printer as claimed in claim 2, is characterized in that, described eccentric handwheel bottom arranges a half slot, and a banking stop being fixedly installed on printer housing is set in half slot, and banking stop limits the anglec of rotation of eccentric handwheel.
4. paper-pressing mechanism of ink jet printer as claimed in claim 1, is characterized in that, described compression axis regulating block upper end arranges screwed hole, jackscrew is set in screwed hole compression axis regulating block and compression wheel shaft are fixed.
5. paper-pressing mechanism of ink jet printer as claimed in claim 1, it is characterized in that, described pinch roller holder assembling comprises pinch roller holder and pinch roller fork, pinch roller holder arranges through hole and penetrates compression wheel shaft, pinch roller fork arranges through hole and penetrates pressure roller, and pinch roller holder is fixedly connected with by pivot pin with pinch roller fork.
6. paper-pressing mechanism of ink jet printer as claimed in claim 5, is characterized in that, described pinch roller holder is connected by jackscrew with compression wheel shaft.
7. paper-pressing mechanism of ink jet printer as claimed in claim 5, is characterized in that, described pinch roller fork and pressure roller are connected by screw.
8. paper-pressing mechanism of ink jet printer as claimed in claim 1, it is characterized in that, described pinch roller holder fit on also arranges a pinch roller adjustment screw and pinch roller pressing plate, pinch roller pressing plate is a panel beating bending component, upper end arranges U-shaped draw-in groove, pinch roller pressing plate is arranged on pinch roller holder and assembles a side, and pinch roller adjustment screw is arranged in the U-shaped draw-in groove of pinch roller pressing plate, can regulate pressure roller around the anglec of rotation that compresses wheel shaft by trace.
9. paper-pressing mechanism of ink jet printer as claimed in claim 1, is characterized in that, described paper-pressing mechanism can magnitude setting be at least one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420180605.9U CN203792919U (en) | 2014-04-15 | 2014-04-15 | Ink jet printer paper pressing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420180605.9U CN203792919U (en) | 2014-04-15 | 2014-04-15 | Ink jet printer paper pressing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203792919U true CN203792919U (en) | 2014-08-27 |
Family
ID=51375177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420180605.9U Expired - Fee Related CN203792919U (en) | 2014-04-15 | 2014-04-15 | Ink jet printer paper pressing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203792919U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105538898A (en) * | 2015-12-16 | 2016-05-04 | 倪娉娉 | Pneumatic paper pressing mechanism with protective cover |
| CN106553458A (en) * | 2015-09-30 | 2017-04-05 | 精工爱普生株式会社 | Printing equipment |
| CN109422117A (en) * | 2017-08-30 | 2019-03-05 | 上海旭恒精工机械制造有限公司 | A kind of cross cutting paper feed portion paper sheet guidance |
| CN110271306A (en) * | 2019-07-30 | 2019-09-24 | 湖南鼎一致远科技发展有限公司 | A kind of paper feed driving device and the printer comprising it |
| CN114701268A (en) * | 2022-04-20 | 2022-07-05 | 郑州新世纪数码科技股份有限公司 | Two-stage adjustment high-precision pinch roller adjusting structure and wide digital printer |
-
2014
- 2014-04-15 CN CN201420180605.9U patent/CN203792919U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106553458A (en) * | 2015-09-30 | 2017-04-05 | 精工爱普生株式会社 | Printing equipment |
| CN106553458B (en) * | 2015-09-30 | 2020-08-11 | 精工爱普生株式会社 | Printing device |
| CN105538898A (en) * | 2015-12-16 | 2016-05-04 | 倪娉娉 | Pneumatic paper pressing mechanism with protective cover |
| CN105538898B (en) * | 2015-12-16 | 2018-07-06 | 倪娉娉 | Pneumatic paper-pressing mechanism with protective cover |
| CN109422117A (en) * | 2017-08-30 | 2019-03-05 | 上海旭恒精工机械制造有限公司 | A kind of cross cutting paper feed portion paper sheet guidance |
| CN109422117B (en) * | 2017-08-30 | 2024-02-23 | 上海旭恒精工机械制造有限公司 | Paper guiding device of die-cutting paper feeding part |
| CN110271306A (en) * | 2019-07-30 | 2019-09-24 | 湖南鼎一致远科技发展有限公司 | A kind of paper feed driving device and the printer comprising it |
| CN114701268A (en) * | 2022-04-20 | 2022-07-05 | 郑州新世纪数码科技股份有限公司 | Two-stage adjustment high-precision pinch roller adjusting structure and wide digital printer |
| CN114701268B (en) * | 2022-04-20 | 2024-02-20 | 郑州新世纪数码科技股份有限公司 | Two-stage adjusting high-precision pinch roller adjusting structure and wide digital printer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20200415 |
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| CF01 | Termination of patent right due to non-payment of annual fee |