CN202623527U - Paper feeding device for printer - Google Patents
Paper feeding device for printer Download PDFInfo
- Publication number
- CN202623527U CN202623527U CN2012202639251U CN201220263925U CN202623527U CN 202623527 U CN202623527 U CN 202623527U CN 2012202639251 U CN2012202639251 U CN 2012202639251U CN 201220263925 U CN201220263925 U CN 201220263925U CN 202623527 U CN202623527 U CN 202623527U
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- Prior art keywords
- paper
- printer
- roller
- feed channel
- hands
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Abstract
The utility model discloses a paper feeding device for a printer. The paper feeding device comprises a paper feeding channel, wherein the inlet of the paper feeding channel is connected with the paper outlet of a paper storing cabin of the printer; the outlet of the paper feeding channel is connected with the paper inlet of the printer; the outlet of the paper feeding channel is provided with a compression roller; the middle part of the paper feeding channel is provided with a rubbing and conveying mechanism; the length of a channel between the compression roller and the rubbing and conveying mechanism is smaller than the length of paper along the conveying direction; when paper enters the compression roller, the rubbing and conveying mechanism is switched from a driving state to a following state, so that the rubbing and conveying mechanism stops driving after the front end of the paper enters the compression roller, the synchronization requirement on the rubbing and conveying mechanism and a conveying mechanism inside the printer is lowered greatly, manufacturing is easy and the cost is low; and meanwhile, paper jam caused by paper corrugation due to simultaneous driving of paper conveying at two points can be avoided effectively. Moreover, a clutch is jointed or separated according to a detection signal of a sensor, and runs stably and reliably.
Description
Technical field
The utility model relates to PRN device, particularly a kind of parts of printer.
Background technology
The print system that printing amount is bigger need be provided with special paper storage bin usually, is connected through paper feed channel between printer and the paper storage bin, and paper feed channel is provided with the printing paper conveying roller; In the prior art; After the printing paper front end gets into printer, push down by pressure roller and to prevent that paper from retreating, have conveying mechanism in the printer to drive again paper is fed forward; Because the conveying roller on the paper feed channel still plays driving action at this moment; For making paper fold in course of conveying, not occur, must keep the conveying mechanism in this conveying roller and the printer synchronous, this has improved the manufacture difficulty and the cost of paper-advance unit undoubtedly; Also complicated more when existing printer is transformed, cause the probability of paperboard to increase simultaneously.
To above-mentioned deficiency, need the existing printer paper-advance unit is improved, to reduce its manufacture difficulty and cost, simultaneously, also reduce the probability that paperboard appears in printer.
The utility model content
In view of this; The utility model provides a kind of printer paper-advance unit; This device can make printing paper when carrying, only driven by a bit, avoids 2 drivings adopting synchronism to have relatively high expectations, solves existing transport manufacture difficulty and cost is higher and paperboard probability technical problems of high.
The utility model solves the problems of the technologies described above through following technological means:
The printer paper-advance unit of the utility model comprises paper feed channel, and the inlet of said paper feed channel is connected with the exit slot of printer paper storage bin; The outlet of paper feed channel is connected with the paper feed port of printer; The outlet of said paper feed channel is provided with pressure roller, and paper feed channel middle part is provided with to rub with the hands send mechanism, and said pressure roller and stranding send passage length between the mechanism less than the length of paper along throughput direction; When paper gets into pressure roller, rub with the hands and send mechanism to convert the servo-actuated state into by driving condition.
Further; Said pressure roller is provided with the paper detecting sensor that puts in place; Said stranding is sent mechanism to comprise to rub with the hands and is sent roller, be used to drive rub with the hands to send the drive motors of roller and be arranged at and rub the signal output part that send the clutch between roller and the drive motors, paper to put detecting sensor in place with the hands and be connected with the control signal input of clutch.
Further, said pressure roller is provided with the paper detecting sensor that puts in place, and said stranding is sent mechanism to comprise to rub with the hands and sent roller to rub the drive motors that send roller with the hands with being used to drive, and put in place the signal output part of detecting sensor of paper is connected with the control signal input of drive motors.
Further, the length of said paper feed channel is greater than the length of individual paper.
The beneficial effect of the utility model: the printer paper-advance unit of the utility model, comprise paper feed channel, the inlet of said paper feed channel is connected with the exit slot of printer paper storage bin; The outlet of paper feed channel is connected with the paper feed port of printer, and the outlet of said paper feed channel is provided with pressure roller, and the paper feed channel middle part is provided with to rub with the hands send mechanism; The passage length that said pressure roller and rub with the hands send between the mechanism, is rubbed with the hands and is sent mechanism to convert the servo-actuated state into by driving condition when paper gets into pressure roller less than the length of paper along throughput direction; Make top of form after getting into pressure roller, rub with the hands and send mechanism to stop it being driven, send the synchronous requirement of mechanism and printer conveying mechanism to reduce greatly stranding; Be easy to make; And cost is lower, simultaneously, also can effectively avoid drive paper sheet delivery simultaneously and cause the paper fold to cause paperboard at 2.In addition, clutch combines or separation stable and reliable operation according to the detection signal of sensor.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
Fig. 1 is the structural representation of the utility model;
Fig. 2 for rub with the hands among Fig. 1 send mechanism A to partial view.
The specific embodiment
Below will combine accompanying drawing that the utility model is elaborated, as shown in the figure: the printer paper-advance unit of present embodiment comprises paper feed channel 1; The inlet of said paper feed channel 1 is connected with the exit slot 2a of printer paper storage bin 2, and the outlet of paper feed channel 1 is connected with the paper feed port 3a of printer 3, and the outlet of said paper feed channel 1 is provided with pressure roller 4; Paper feed channel 1 middle part is provided with to rub with the hands send mechanism 5, and during printing, printing paper is delivered to printer through paper feed channel by the printer paper storage bin; When the printing paper front end got into pressure roller, pressure roller was pushed down paper, and said pressure roller 4 and stranding send passage length between the mechanism 5 less than the length of paper along throughput direction; To guarantee that paper receives lasting driving before getting into pressure roller; When paper gets into pressure roller 4, rub with the hands and send mechanism 5 to convert the servo-actuated state into, at this moment by driving condition; By the conveying mechanism conveyance of sheets in the printer, avoid the two ends driving paper fold to occur and cause paperboard.Employing makes rubs the design send mechanism's servo-actuated with the hands, need not to consider the stationary problem of itself and printer conveying mechanism, and easy to manufacture, cost is low.
Further improvement as technique scheme; Said pressure roller 4 is provided with the paper detecting sensor 6 that puts in place; Said stranding is sent mechanism 5 to comprise to rub with the hands and is sent roller 5a, be used to drive rub with the hands to send the drive motors 5b of roller 5a and be arranged at and rub the signal output part that send the clutch 5c between roller 5a and the drive motors 5b, paper to put detecting sensor 6 in place with the hands and be connected with the control signal input of clutch 5c, during paper sheet delivery to sensor; Sensor sends signal; Clutch separation, motor no longer participate in driving paper, realize rubbing with the hands and send the roller servo-actuated.Certainly, sensor sends signal and makes the motor outage, also can make motor no longer participate in driving paper, can realize rubbing with the hands the purpose of sending the roller servo-actuated equally.
As the further improvement of technique scheme, the length of said paper feed channel 1 is greater than the length of individual paper, and after preventing that top of form from getting into pressure roller, the conveying mechanism that is positioned at the printer paper storage bin still plays driving action to paper, causes the paper fold.
Explanation is at last; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model; And not breaking away from the aim and the scope of the utility model technical scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (4)
1. printer paper-advance unit; Comprise paper feed channel (1); The inlet of said paper feed channel (1) is connected with the exit slot (2a) of printer paper storage bin (2), and the outlet of paper feed channel (1) is connected with the paper feed port (3a) of printer (3), and it is characterized in that: the outlet of said paper feed channel (1) is provided with pressure roller (4); Paper feed channel (1) middle part is provided with to rub with the hands send mechanism (5); Said pressure roller (4) and stranding send passage length between the mechanism (5) less than the length of paper along throughput direction, when paper gets into pressure roller (4), rub with the hands and send mechanism (5) to convert the servo-actuated state into by driving condition.
2. printer paper-advance unit according to claim 1; It is characterized in that: said pressure roller (4) is provided with the paper detecting sensor (6) that puts in place; Said stranding is sent mechanism (5) to comprise to rub with the hands and is sent roller (5a), be used for driving rubbing with the hands and send the drive motors (5b) of roller (5a) and be arranged at the signal output part that stranding send the clutch (5c) between roller (5a) and the drive motors (5b), paper to put detecting sensor (6) in place and be connected with the control signal input of clutch (5c).
3. printer paper-advance unit according to claim 1; It is characterized in that: said pressure roller (4) is provided with the paper detecting sensor (6) that puts in place; Said stranding is sent mechanism (5) to comprise to rub with the hands and is sent roller (5a) and to be used for driving the drive motors (5b) that roller (5a) sent in stranding, and put in place the signal output part of detecting sensor (6) of paper is connected with the control signal input of drive motors.
4. according to claim 1,2 or 3 described printer paper-advance units, it is characterized in that: the length of said paper feed channel (1) is greater than the length of individual paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202639251U CN202623527U (en) | 2012-06-06 | 2012-06-06 | Paper feeding device for printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202639251U CN202623527U (en) | 2012-06-06 | 2012-06-06 | Paper feeding device for printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202623527U true CN202623527U (en) | 2012-12-26 |
Family
ID=47376759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202639251U Expired - Fee Related CN202623527U (en) | 2012-06-06 | 2012-06-06 | Paper feeding device for printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202623527U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109279393A (en) * | 2018-09-14 | 2019-01-29 | 长春工业大学 | One kind driving vehicle annual test automatic document feeder based on spring |
| CN109368310A (en) * | 2018-09-14 | 2019-02-22 | 长春工业大学 | It is a kind of based on screw slide be power-assisted vehicle annual test automatic document feeder |
| CN109720107A (en) * | 2019-03-18 | 2019-05-07 | 陈仁凡 | The paper jamming prevention printer for adsorbing paper one by one is realized using negative pressure |
-
2012
- 2012-06-06 CN CN2012202639251U patent/CN202623527U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109279393A (en) * | 2018-09-14 | 2019-01-29 | 长春工业大学 | One kind driving vehicle annual test automatic document feeder based on spring |
| CN109368310A (en) * | 2018-09-14 | 2019-02-22 | 长春工业大学 | It is a kind of based on screw slide be power-assisted vehicle annual test automatic document feeder |
| CN109720107A (en) * | 2019-03-18 | 2019-05-07 | 陈仁凡 | The paper jamming prevention printer for adsorbing paper one by one is realized using negative pressure |
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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: 20121226 Termination date: 20150606 |
|
| EXPY | Termination of patent right or utility model |