CN101177212A - Paper-pulling mechanism of paper-out rolling wheel and printer using the same - Google Patents
Paper-pulling mechanism of paper-out rolling wheel and printer using the same Download PDFInfo
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- CN101177212A CN101177212A CNA2006101385416A CN200610138541A CN101177212A CN 101177212 A CN101177212 A CN 101177212A CN A2006101385416 A CNA2006101385416 A CN A2006101385416A CN 200610138541 A CN200610138541 A CN 200610138541A CN 101177212 A CN101177212 A CN 101177212A
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Abstract
The invention provides a paper-forcing mechanism in a paper delivery roller and a printer provided with the paper-forcing mechanism. The paper-forcing mechanism comprises a paper- forcing part, a cam and an elastic component. The invention is characterized in that the paper-forcing mechanism is combined with a shaft, with the rotating of the paper delivery roller, the mechanism moves intermittently toward the paper delivery direction to force the printed paper and enables the paper to depart from the paper delivery roller. The printer comprises a body, a paper delivery roller and at least a paper-forcing mechanism.
Description
Technical field
The present invention is relevant for a kind of chopping machine, particularly relevant for a kind of chopping machine that is provided with pulling mechanism of paper.
Background technology
Fig. 1 is existing have automatic paper feeder (Auto Sheet Feed, the scheme drawing of the structure of chopping machine ASF).Paper 5 in Fig. 1 on the paper support 10 is involved in the chopping machine via pickup roller (pick-up roller) 20 and prints, and prints the paper finish via feeding roller (feed roller) 30 and go out paper roller (exit roller) 40 and carry and be expelled to outside the chopping machine.Feeding roller 30 and go out paper roller 40 and link with a synchronous belt (not shown) and rotate in the same way synchronously.
Fig. 2 a, 2b represent the relation of feeding roller 30 and pickup roller 20, and pickup roller 20 drives with same motor 50 with feeding roller 30, but pickup roller 20 is by the binding of 60 controls of ASF power-transfer clutch and motor 50 or separate.When getting the paper state, shown in Fig. 2 a, ASF power-transfer clutch 60 is engaged in the gear cluster of pickup roller 20, make the rotation of motor 50 be passed to pickup roller 20 and make its rotation get paper, motor 50 is done and is rotated counterclockwise simultaneously, pickup roller 20 is done clockwise rotate and got paper, this moment, feeding roller 30 and pickup roller 20 were towards equidirectional rotation, but this moment, feeding roller 30 rotation directions were opposite with the paper delivery direction, because feeding roller 30 and go out paper roller 30 and link with synchronous belt and rotate in the same way synchronously, this rotation direction that goes out paper roller 40 is also opposite with the paper delivery direction.
When print state, shown in Fig. 2 b, ASF power-transfer clutch 60 disconnects with the gear cluster of pickup roller 20, make motor 50 only drive feeding roller 30, motor 50 was done and clockwise rotated this moment, made feeding roller 30 and go out paper roller 40 to do anticlockwise motion, and is identical with the paper delivery direction.
But when printing is finished, if the paper tail of paper does not detach paper roller 40 fully, then when pickup roller 20 is got paper, can court rotate in the opposite direction with paper delivery side owing to go out paper roller 40, paper can be rewinded in the chopping machine on the contrary, and cause the phenomenon of paperboard.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of pulling mechanism of paper, cooperate the rotation of paper roller and move, push towards the paper delivery direction, make paper be detached paper roller fully, to avoid the situation of paperboard with printing the paper that finishes.
One preferred embodiment of chopping machine of the present invention comprises that a body, goes out paper roller and at least one pulling mechanism of paper.Go out paper roller and be located on the body rotationally, and comprise an axial region and a cylinder portion, cylinder portion and the coaxial setting of axial region, cylinder portion follows the rotation of axial region and rotates and will print the paper of finishing and discharge this body.Pulling mechanism of paper is incorporated into axial region, and follows out the rotation of paper roller, intermittently protrudes in cylinder portion towards the paper delivery direction, and promotion has been printed the paper of finishing and made it detach paper roller.
In above-mentioned preferred embodiment, pulling mechanism of paper comprises that one pushes away paper spare, is located between body and the axial region, pushes away the rotation that paper spare is followed out paper roller, intermittently protrudes in cylinder portion towards the paper delivery direction, and promotion has been printed the paper of finishing and made it detach paper roller.
In above-mentioned preferred embodiment, pulling mechanism of paper also comprises a cam and an elastic parts.Cam is located on the axial region and is connected to and pushes away paper spare, and cam is followed the rotation of axial region and rotated, and makes to push away paper spare and be parallel to the paper delivery direction and reciprocatingly move.Elastic parts is located at and is pushed away between paper spare and the body, and is biased in and pushes away paper spare, makes to push away paper spare and keep being connected to cam.
In above-mentioned preferred embodiment,, push away paper spare and protrude in cylinder portion when being connected to when pushing away paper spare of cam from the centre of gration closest approach.
In above-mentioned preferred embodiment, push away paper spare and comprise that one pushes away a paper portion and an abutting part.Push away paper portion and be connected in abutting part and close axial region setting, abutting part is located on the body movably, and has one first and one second, cam is connected to first, elastic parts is biased in second, when when the cam rotation abutting part being reciprocatingly moved, push away paper portion and intermittently protrude in cylinder portion, promotion has been printed the paper of finishing and has been made it detach paper roller.First relative with second.
In above-mentioned preferred embodiment, pushing away paper portion comprises and pushes away the paper body on one and push away the paper body once, on push away the paper body with under push away the paper body and all be connected in first, and on push away the paper body with under push away the paper body and be circular arc respectively, and around axial region, on push away the paper body and intermittently protrude in cylinder portion, promote to have printed the paper of finishing and make it detach paper roller, on push away the paper body the surface form zig-zag.
For above and other objects of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and cooperate appended diagram, be described in detail below:
Description of drawings
Fig. 1 is the scheme drawing of the structure of existing chopping machine with automatic paper feeder.
Fig. 2 a, 2b represent that respectively chopping machine shown in Figure 1 getting under paper state and the print state power transmission relationship of feeding roller and pickup roller.
Fig. 3 a is the block diagram of the paper delivery mechanism of chopping machine of the present invention.
Fig. 3 b is the enlarged drawing of A part among Fig. 3 a.
Fig. 4 is the exploded drawings of Fig. 3 a.
Fig. 5 a, 5b represent the structure that pushes away paper spare of the present invention.
Fig. 6 represents the structure of cam of the present invention.
What Fig. 7 represented cam of the present invention is connected to the state that pushes away paper spare from centre of gration point farthest.
What Fig. 8 represented cam of the present invention is connected to the state that pushes away paper spare from the nearest point of centre of gration.
The specific embodiment
Fig. 3 a is the block diagram of the paper delivery mechanism of chopping machine of the present invention, and Fig. 3 b is the enlarged drawing of A part among Fig. 3 a.4 figure are the exploded drawings of 3a figure.Chopping machine 1000 of the present invention comprises that a body 100, goes out a paper roller 200 and a pulling mechanism of paper 300, and when going out paper roller 200 rotations, paper (not shown) leaves body 100 from body 100 towards the paper delivery direction shown in the arrow D.
As shown in Figure 4, go out paper roller 200 and comprise an axial region 210 and a cylinder portion 220.Axial region 210 rotatably is arranged on the body 100, cylinder portion 220 cylinder bigger than axial region 210 that be diameter is arranged at the periphery of axial region 210, and with axial region 210 be coaxial setting, therefore when axial region 210 rotations, cylinder portion 220 also can rotate and paper is promoted towards paper delivery direction D.
Can be pushed away paper delivery cylinder 200 in order to ensure paper, to avoid producing the paper backrush and the situation of paperboard, chopping machine 1000 of the present invention is at body and go out to be provided with pulling mechanism of paper 300 between the paper roller 200.Pulling mechanism of paper 300 can protrude in cylinder portion 220 off and on along with the rotation that goes out paper roller 200, and assists paper is pushed away cylinder portion 220.The below structure and the action of explanation pulling mechanism of paper 300.
Pulling mechanism of paper 300 comprises that one pushes away paper spare 310, a cam 320 and a spring 330.Wherein push away in paper spare 310 is embedded in body 100 slidably with slide rail 318 the groove (not shown) of lug 120, spring 330 is arranged at and pushes away between paper spare 310 and the body 100, one end is positioned on the body 100 by being socketed on the cylinder 140 on the body 100, and the other end is biased in and pushes away on the paper spare 310.Cam 320 is socketed on the axial region 210, by the bias voltage of spring 330, pushes away paper spare 310 and keeps being connected to cam 320.
The structure that pushes away paper spare 310 pushes away paper spare 310 and comprises that one pushes away paper portion and abutting part 311 shown in Fig. 5 a, 5b, pushes away paper portion and has and push away paper body 312 on one and push away paper body 314 once.Abutting part 311 is cuboid substantially, has one first 3112 and 1 second 3114, on push away paper body 312 with under push away paper body 314 and be connected to first 3112, and be partial to a side of first 3112, and on push away paper body 312 with push away down paper body 314 distinguish curved, and around the axial region 210 that goes out paper roller 200.Cam 320 is connected to first 3112, has a recess 3116 on second 3114, has a protruded stigma 316 in recess 3116, and spring 330 is socketed on the protruded stigma 316 and is biased in abutting part 311.
Referring to Fig. 6, the central authorities of cam 320 are the through hole 326 of a D shape, and axial region 210 runs through through hole 326 and makes cam 320 be incorporated into out paper roller 200, and for cam 320 can be located really, the partial contour of axial region 210 also can cooperate through hole 326 and form the D font certainly.Cam 320 can rotate along with axial region 210, and make cam from centre of gration point 322 farthest be connected to first 3112 of the abutting part 311 that pushes away paper spare 310 in turn from the nearest point 324 of centre of gration.
The below action of explanation pulling mechanism of paper 300.
What Fig. 7 represented cam 320 is connected to the state of abutting part 311 from centre of gration point 322 farthest, be the state of abutting part 311 when being in range, when going out paper roller 200 and rotate, cam 320 can be along with axial region 210 rotations, and are connected to first 3112 of the abutting part 311 that pushes away paper spare 310.When cam 320 rotates to it when centre of gration point 322 farthest is connected to abutting part 311, cam 320 can make and push away paper spare 310 away from axial region 210, makes the surface a little less than cylinder portion 220, the surface that pushes away paper body 312.
What Fig. 8 represented cam 320 is connected to the state of abutting part 311 from the nearest point 324 of centre of gration, when axial region 210 be rotated further make cam when the nearest point 324 of centre of gration is connected to abutting part 311, pushing away paper spare 310 is subjected to the elastic force of spring 330 along arrow direction among the figure, near axial region 210, thereby make the surface that pushes away paper body 312 outwards protrude in cylinder portion 220, the paper that will print pushes away out paper roller 200 by this.When axial region 210 continues to rotate, on push away paper body 312 and can intermittently give prominence to, withdraw in cylinder portion 220, so the paper that rests in the cylinder portion 220 can be pushed towards the paper delivery direction, make paper break away from cylinder portion 220, thereby the paperboard of avoiding.
Avoid skidding with the friction force of paper in order to push away paper body 312 on increasing, can form zig-zag on the last surface that pushes away paper body 312, or other can increase the shape of friction force, or use on the material manufacture of great friction coefficient and push away paper body 312, push away paper body 314 down and mainly be to be used for making pushing away paper body 310 and keep the location with axial region 210.
By pulling mechanism of paper 300 of the present invention, the paper that rests on out on the paper roller 200 is pushed towards the paper delivery direction, and make paper detach paper roller 200 fully, avoid paper to produce backrush and cause the situation of paperboard.
Though the present invention discloses as above with preferred embodiment; but be not in order to qualification the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; should make multiple change and retouching, so protection scope of the present invention should be as the criterion with the qualification of claims.
Claims (14)
1. a pulling mechanism of paper is used for chopping machine, and described chopping machine has body and goes out paper roller, and described pulling mechanism of paper comprises:
Push away paper spare, be located at described body and describedly go out between the paper roller, and follow the described rotation that goes out paper roller, intermittently protrude in the described paper roller that goes out, promote to have printed the paper of finishing and make it break away from the described paper roller that goes out towards a paper delivery direction;
Cam is located at describedly to go out on the paper roller and be connected to the described paper spare that pushes away, and described cam is followed and describedly gone out the rotation of paper roller and rotate, and makes the described paper spare that pushes away be parallel to described paper delivery direction and reciprocatingly move; And
Elastic parts is located at described pushing away between paper spare and the body, and is biased in the described paper spare that pushes away, and makes the described paper spare that pushes away keep being connected to described cam.
2. pulling mechanism of paper according to claim 1, wherein said elastic parts are spring.
3. pulling mechanism of paper according to claim 1 wherein is connected to describedly when pushing away paper spare when described cam from the nearest point of its centre of gration, the described paper spare that pushes away protrudes in the described paper roller that goes out.
4. pulling mechanism of paper according to claim 1, the wherein said paper spare that pushes away comprises and pushes away paper portion and abutting part, the described paper portion that pushes away is connected in described abutting part and goes out the paper roller setting near described, described abutting part is located on the described body movably, and have first and second that is oppositely arranged, described cam is connected to described first, described spring is biased in described second, when described abutting part being reciprocatingly moved when described cam rotation, the described paper portion that pushes away intermittently protrudes in the described paper roller that goes out, and promotes to have printed the paper of finishing and makes it break away from the described paper roller that goes out.
5. pulling mechanism of paper according to claim 4, wherein said push away paper portion comprise push away the paper body and under push away the paper body, push away on described the paper body and described under push away the paper body and all be connected in described first, and push away on described the paper body and described under push away the paper body and be circular arc respectively, and go out paper roller around described, push away the paper body on described and intermittently protrude in the described paper roller that goes out, promote to have printed the paper of finishing and make it break away from the described paper roller that goes out.
6. pulling mechanism of paper according to claim 5, the surface that pushes away the paper body on wherein said forms zig-zag.
7. a chopping machine comprises
Body;
Go out paper roller, be located at rotationally on the described body, and comprise axial region and cylinder portion, described cylinder portion and the coaxial setting of described axial region, described cylinder portion follows the rotation of described axial region and rotates and will print the paper of finishing and discharge described body;
At least one pulling mechanism of paper is incorporated into described axial region, and follows the described rotation that goes out paper roller, intermittently protrudes in described cylinder portion towards the paper delivery direction, promotes to have printed the paper of finishing and makes it break away from the described paper roller that goes out.
8. chopping machine according to claim 7, wherein said pulling mechanism of paper comprises and pushes away paper spare, be located between described body and the described axial region, the described paper spare that pushes away is followed the described rotation that goes out paper roller, intermittently protrude in described cylinder portion towards the paper delivery direction, promote to have printed the paper of finishing and make it break away from the described paper roller that goes out.
9. chopping machine according to claim 8, wherein said pulling mechanism of paper also comprises:
Cam is located on the described axial region and is connected to the described paper spare that pushes away, and described cam is followed the rotation of described axial region and rotated, and makes the described paper spare that pushes away be parallel to described paper delivery direction and reciprocatingly move; And
Elastic parts is located at described pushing away between paper spare and the described body, and is biased in the described paper spare that pushes away, and makes the described paper spare that pushes away keep being connected to described cam.
10. chopping machine according to claim 9, wherein said elastic parts are spring.
11. chopping machine according to claim 9 wherein is connected to describedly when pushing away paper spare when described cam from the nearest point of its centre of gration, the described paper spare surface that pushes away protrudes in described cylinder portion.
12. chopping machine according to claim 9, the wherein said paper spare that pushes away comprises and pushes away paper portion and abutting part, the described paper portion that pushes away is connected in described abutting part and close described axial region setting, described abutting part is located on the described body movably, and have first and second that is oppositely arranged, described cam is connected to described first, described spring is biased in described second, when described abutting part being reciprocatingly moved when described cam rotation, the described paper portion that pushes away intermittently protrudes in described cylinder portion, promotes to have printed the paper of finishing and makes it break away from the described paper roller that goes out.
13. chopping machine according to claim 11, wherein said push away paper portion comprise push away the paper body and under push away the paper body, push away on described the paper body with under push away the paper body and all be connected in described first, and push away on described the paper body and described under push away the paper body and be circular arc respectively, and around described axial region, push away the paper body on described and intermittently protrude in described cylinder portion, promote to have printed the paper of finishing and make it break away from the described paper roller that goes out.
14. chopping machine according to claim 13, the surface that pushes away the paper body on wherein said forms zig-zag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101385416A CN100572238C (en) | 2006-11-07 | 2006-11-07 | Go out the pulling mechanism of paper of paper roller and use its chopping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101385416A CN100572238C (en) | 2006-11-07 | 2006-11-07 | Go out the pulling mechanism of paper of paper roller and use its chopping machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101177212A true CN101177212A (en) | 2008-05-14 |
| CN100572238C CN100572238C (en) | 2009-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101385416A Expired - Fee Related CN100572238C (en) | 2006-11-07 | 2006-11-07 | Go out the pulling mechanism of paper of paper roller and use its chopping machine |
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| Country | Link |
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| CN (1) | CN100572238C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358013A (en) * | 2014-10-14 | 2015-02-18 | 湖州现代纺织机械有限公司 | Second spindle of weaving machine and connecting structure of same |
| CN108116061A (en) * | 2016-11-30 | 2018-06-05 | 东友科技股份有限公司 | The print media feed mechanism of adjustable idler wheel pressing force |
| CN108116062A (en) * | 2016-11-30 | 2018-06-05 | 东友科技股份有限公司 | Print media feed mechanism with adjustable contact roller support arm |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3883132A (en) * | 1973-07-16 | 1975-05-13 | Dick Co Ab | Paper feed control mechanisms |
-
2006
- 2006-11-07 CN CNB2006101385416A patent/CN100572238C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358013A (en) * | 2014-10-14 | 2015-02-18 | 湖州现代纺织机械有限公司 | Second spindle of weaving machine and connecting structure of same |
| CN104358013B (en) * | 2014-10-14 | 2016-08-24 | 湖州现代纺织机械有限公司 | Second main shaft of a kind of loom and attachment structure thereof |
| CN108116061A (en) * | 2016-11-30 | 2018-06-05 | 东友科技股份有限公司 | The print media feed mechanism of adjustable idler wheel pressing force |
| CN108116062A (en) * | 2016-11-30 | 2018-06-05 | 东友科技股份有限公司 | Print media feed mechanism with adjustable contact roller support arm |
| CN108116061B (en) * | 2016-11-30 | 2019-08-09 | 东友科技股份有限公司 | The print media feed mechanism of adjustable idler wheel pressing force |
| CN108116062B (en) * | 2016-11-30 | 2019-11-05 | 东友科技股份有限公司 | Print media feed mechanism with adjustable contact roller support arm |
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| Publication number | Publication date |
|---|---|
| CN100572238C (en) | 2009-12-23 |
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Granted publication date: 20091223 Termination date: 20101107 |