CN100584716C - Paper separation roller and paper separation mechanism using the same - Google Patents

Paper separation roller and paper separation mechanism using the same Download PDF

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Publication number
CN100584716C
CN100584716C CN200710037061A CN200710037061A CN100584716C CN 100584716 C CN100584716 C CN 100584716C CN 200710037061 A CN200710037061 A CN 200710037061A CN 200710037061 A CN200710037061 A CN 200710037061A CN 100584716 C CN100584716 C CN 100584716C
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paper
axial region
comber
friction wheels
distributing mechanism
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CN101234708A (en
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盛少澜
林家晖
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Hongguang Precision Industry Suzhou Co Ltd
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Hongguang Precision Industry Suzhou Co Ltd
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Abstract

The invention relates to a paper separation roller, which comprises a body, a shaft part and two friction roller groups; wherein, the shaft part is connected with the body; the friction roller groups are arranged on both ends of the shaft part and positioned on both sides of the body; the friction roller groups contact paper; the body is separated from the paper and the body provides restriction torsion for the friction roller groups to restrict the movement of the paper through the shaft part. The paper separation roller also provides a paper separation mechanism using the paper separation roller.

Description

Comber and use its paper distributing mechanism
Technical field
The present invention is about a kind of paper distributing mechanism that is used for the comber of file or paper feeder and uses it, especially about a kind of miniaturization and the comber of being convenient to keep in repair and use its paper distributing mechanism.
Background technology
Fig. 1 shows the scheme drawing of first kind of traditional paper distributing mechanism that is used for automatic paper conveying apparatus.As shown in Figure 1, this paper distributing mechanism comprises paper-feeding roller 101, friction pad 102 and spring 103.Paper S is between paper-feeding roller 101 and friction pad 102.Spring 103 is pressed to paper-feeding roller 101 with friction pad 102.Like this, when plurality of sheets of paper was opened the path 10 4 that enters to paper-feeding roller 101 and friction pad 102, friction pad 102 can stop the paper S that is in contact with it, and reaches the effect of separation.Yet this kind paper distributing mechanism is when presenting last paper, and paper and friction pad 102 fraction times are long, cause the wearing and tearing of paper or friction pad easily.
Fig. 2 shows the scheme drawing of second kind of traditional paper distributing mechanism.As shown in Figure 2, this paper distributing mechanism comprises paper-feeding roller 201, comber 202, spring 203 and torque force limiting device 204.Torque force limiting device 204 is fixed on the axle 205, and is installed in the comber 202, reaches the effect of aforementioned separation so that torsion to be provided.In this paper distributing mechanism, this comber 202 is because need hold torque force limiting device 204, so its volume can't dwindle.In addition, the dismounting of torque force limiting device 204 is comparatively complicated, and therefore, user or maintainer be comparatively inconvenience when changeing comber 202.
In the traditional comber group of another kind, the comber frame is fixed on axle and goes up and be connected to torque force limiting device.Torque force limiting device is connected to comber, reaches the effect of aforementioned separation so that torsion to be provided.Yet user or maintainer be comparatively inconvenience when changeing comber, and the width of this comber group can't effectively be lowered, thereby can't be miniaturized.
Summary of the invention
Therefore, an object of the present invention is to provide a kind of miniaturization and the comber of being convenient to keep in repair and use its paper distributing mechanism.
For achieving the above object, the invention provides a kind of comber, it comprises body, axial region and two friction wheels.Axial region is connected to body.The friction wheels are mounted to axial region.Friction wheel set of contact paper, body separates with paper, and body sees through axial region and provides restriction torsion to limit paper to the friction wheels to move.
The present invention also provides a kind of paper distributing mechanism, and its group is located in the body, and paper distributing mechanism comprises comber and paper-feeding roller, and pressure pressurizes comber toward paper-feeding roller.Comber comprises body, axial region and two friction wheels.Axial region is connected to body.The friction wheels are mounted to axial region.Friction wheel set of contact paper, body separates with paper, and body sees through axial region and provides restriction torsion to limit paper to the friction wheels to move.Paper-feeding roller is rotated by drive power source, and with the friction wheel set of contact, and then produce external force, and desire the pivoting friction wheels in the friction wheels.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and in conjunction with the accompanying drawings, be described in detail below.
Description of drawings
Fig. 1 shows the scheme drawing of first kind of traditional paper distributing mechanism.
Fig. 2 shows the scheme drawing of second kind of traditional paper distributing mechanism.
Fig. 3 shows the three-dimensional exploded view according to the paper distributing mechanism of first embodiment of the invention.
Fig. 4 shows the lateral plan according to the paper distributing mechanism of first embodiment of the invention.
Fig. 5 shows the three-dimensional combination figure according to the paper distributing mechanism of first embodiment of the invention.
Fig. 6 shows the scheme drawing of an example of axial region of the present invention.
Fig. 7 shows another routine scheme drawing of axial region of the present invention.
Fig. 8 demonstration is according to the lateral plan of the paper distributing mechanism of second embodiment of the invention.
Fig. 9 demonstration is according to the lateral plan of the paper distributing mechanism of third embodiment of the invention.
Figure 10 demonstration is according to the lateral plan of the paper distributing mechanism of fourth embodiment of the invention.
The specific embodiment
Fig. 3 to 5 shows respectively according to the three-dimensional exploded view of the paper distributing mechanism of first embodiment of the invention, lateral plan and three-dimensional combination figure.Shown in Fig. 3 to 5, paper distributing mechanism group of the present invention is located in the body 3, and comprises paper-feeding roller 2 and comber 1.Comber 1 comprises body 10, axial region 20 and two friction wheels 30.
Body 10 can be called as the comber frame.Body 10 comprises trunk portion 12, arm 14 and articulated section 16.Trunk portion 12 can be cylinder, square column or other cylinder, and is connected to axial region 20.Arm 14 is connected to trunk portion 12.Articulated section 16 is connected to arm 14, and in order to be pivoted to body 3, with the fulcrum as arm 14 swings.Body 3 is the housing of automatic paper conveying apparatus for example.Articulated section 16 also can be omitted and change the proper function of otherwise reaching comber.
Axial region 20 is connected to body 10.Axial region 20 comprises the two ends that 24, two adapters 24 of 22 and two adapters of axle are installed in axle 22 respectively, and two friction wheels 30 are set in respectively on two adapters 24.The mode that axial region 20 is connected to body 10 has a variety of, and casehistory is as follows now.In one example, body 10 is two with axial region 20 to be separated and relatively-stationary assembly, and axial region 20 can relatively rotate with friction wheels 30, and restriction torsion results between axial region 20 and the friction wheels 30.In another example, body 10 is one of the forming with axial region 20, and axial region 20 can relatively rotate with friction wheels 30, and restriction torsion results between axial region 20 and the friction wheels 30.Still in another example, axial region 20 and friction wheels 30 relative fixed, body 10 can relatively rotate with axial region 20, and restriction torsion results between body 10 and the axial region 20.Still in another example, axial region 20 can relatively rotate with friction wheels 30, and body 10 also can relatively rotate with axial region 20.Therefore, restriction torsion results between axial region 20 and the friction wheels 30 and between body 10 and the axial region 20.The generation of restriction torsion can be passed through friction force, dumping force or electromagnetic force etc.
Friction wheels 30 are mounted to the two ends of axial region 20 and are positioned at the both sides of body 10.In the present embodiment, 32 and 32 ', two friction wheels 32 and 32 ' of four friction wheels that friction wheels 30 comprise the two ends that lay respectively at axial region 20 are set on the adapter 24, and adapter 24 can be to be made by plastic material.Friction wheel 32 ' abuts friction wheel 32, so that the effect in order to auxiliary friction wheel 32 to be provided.
It should be noted that, after doing suitably adjustment, for example add big friction wheel 32,32 ' width, omit the friction wheel 32 ' or the adapter 24 at the two ends of axial region 20, or increase the quantity of the friction wheel that is set in an adapter, still the purpose and the effect of attainable cost invention.Friction wheel 32 can be set on the side face or annular recess 26 of adapter 24, as shown in Figure 6.
It should be noted that in another example adapter 24 also can be omitted, this moment, friction wheel 32 was installed in the annular recess 21 of an end of axial region 20, as shown in Figure 7.Aforesaid friction wheel can be resilient ring, non-resilient ring or take turns wide (rim width) O type ring that width is narrower and manufacturing cost is lower or general rubber wheel, it is fixed to the two ends of axial region 20 respectively, the external diameter of friction wheel is greater than the external diameter of trunk portion 12, and two friction wheels contact with paper-feeding roller 2.Therefore, friction wheels 30 can comprise O type ring or rubber wheel.
Friction wheels 30 contact paper S, body 10 separates with paper S, and body 10 sees through 20 pairs of frictions of axial region wheels 30 and provides restriction torsion to limit paper S to move.
Paper-feeding roller 2 is driven and is rotated by propulsion source (such as motor), and contacts with friction wheels 30, and then produces external force in friction wheels 30 and axial region 20, and desires pivoting friction wheels 30 and axial region 20.
In order to reach the effect of separation, comber 1 and paper-feeding roller 2 are drawn close mutually, therefore must provide pressure that comber 1 is pressurizeed toward paper-feeding roller 2.In one example, can utilize the deadweight of comber 1 that comber 1 is pressed on the paper-feeding roller 2.Perhaps, this paper distributing mechanism can also comprise compression spring 50, and its contact comber 1 and the body 3 that paper distributing mechanism is installed are in order to impose aforementioned pressure so that comber 1 is pressurizeed toward paper-feeding roller 2.
Except above-mentioned pressuring method, also can use the torsion spring 60 that is connected to articulated section 16 and body 3 to come that arm 14 is imposed torsion provides aforementioned pressure so that comber 1 is pressurizeed toward paper-feeding roller 2, as shown in Figure 8.Perhaps, arm 14 itself is exactly an elastic body or comprises elastic parts, pressurizes toward the direction of paper-feeding roller 2 with the friction wheels 30 with comber 1 as long as so utilize the deadweight of the elasticity of arm 14 and comber 1 will impose aforementioned pressure.
Illustrate below with reference to Fig. 4 how paper distributing mechanism of the present invention reaches the effect of separation.Paper-feeding roller 2 is rotated with friction wheels 30 rotations that drive comber 1, supposes that two pieces of paper are opened S1 and S2 enters between comber 1 and the paper-feeding roller 2 simultaneously.At this moment, paper-feeding roller 2 contacts with paper S1, and friction wheels 30 contact with paper S2.Paper-feeding roller 2 utilizes the lasting paper S1 that drives of the friction force between paper-feeding roller 2 and the paper S1 to advance.Can or can not rotate as for friction wheels 30, lean on paper S1 to decide by the strength that paper S2 drives friction wheels 30.The generation of aforementioned limitations torsion sees through the strength that paper S2 drives friction wheels 30 through being designed to overcome paper S1 especially, but can't overcome the strength that paper-feeding roller 2 drives friction wheels 30.Therefore, paper S2 fixed by the wheels 30 that rub or even by stored energy mechanism design (elasticity of the wheels 30 that for example rub itself) the paper S2 wheels 30 that rubbed are back driven, cause between paper S1 and the S2 and produce slide relative, avoid paper S2 to enter in the paper-feeding channel, reach the effect of separation.
Fig. 8 shows the lateral plan according to the paper distributing mechanism of second embodiment of the invention.As shown in Figure 8, the paper distributing mechanism of present embodiment also comprises retaining paper assembly 13, it for example is the retaining paper washer, and have the first end 13A and a second opposed end 13B, the first end 13A is fixed on the outside face 12A that is parallel to axial region 20 of trunk portion 12, the second end 13B then fixes and extends towards paper-feeding roller 2 directions, and can or can not contact with paper-feeding roller 2.It is earlier some paper S to be kept off before separation that retaining paper assembly mainly acts on, to increase the usefulness of paper distributing mechanism.Also promptly, retaining paper assembly is in order to stop that paper S enters between comber 1 and the paper-feeding roller 2 at least.
Fig. 9 shows the lateral plan according to the paper distributing mechanism of third embodiment of the invention.As shown in Figure 9, the comber 1 of present embodiment also comprises retaining paper assembly 13 ', has the first end 13A ' and second opposed end 13B ', and the first end 13A ' is fixed on the arm 14, and the second end 13B ' then fixes and extends towards paper-feeding roller 2 directions.Retaining paper assembly is in order to stop that paper S enters between comber 1 and the paper-feeding roller 2 at least when the multi-paper feed.
Figure 10 shows the lateral plan according to the paper distributing mechanism of fourth embodiment of the invention.As shown in figure 10, the paper distributing mechanism of present embodiment also comprises retaining paper assembly 13 ", have the first end 13A " and second opposed end 13B ", the first end 13A " be fixed on the arm 14, the second end 13B " then fixing and extend towards paper-feeding roller 2 directions, and can or can not contact with paper-feeding roller 2.Same, retaining paper assembly is in order to stop that at least one paper S enters between comber 1 and the paper-feeding roller 2 when the multi-paper feed.
In paper distributing mechanism of the present invention, because the external diameter of friction wheels 30 be big than the external diameter of trunk portion 12, trunk portion 12 can't contact paper-feeding roller 2, has only friction wheels 30 to contact paper-feeding roller 2.Therefore, only there are the friction wheels 30 can wearing and tearing and need be replaced, do not need complicated step, only need friction wheels 30 are withdrawed from by the two ends of axial region 20 and new friction wheels 30 are packed into getting final product and change friction wheels 30.Using under the situation of O type ring as friction wheel, more do not need to use any dismantling devices, only need utilize the elasticity of O type ring that it is withdrawed from and get final product.In addition, because axial region 20 to be directly being fixed to trunk portion, therefore the external diameter of whole comber can be reduced effectively.
The specific embodiment that is proposed in the detailed description of preferred embodiment is only in order to convenient explanation technology contents of the present invention, but not with narrow sense of the present invention be limited to the foregoing description, in the situation that does not exceed spirit of the present invention and claims, the many variations of being done is implemented, and all belongs to scope of the present invention.
The primary clustering symbol description
S, S1, S2: paper 1: comber
2: paper-feeding roller 3: body
10: body 12A: outer surface
12: trunk portion 13: gear paper assembly
13 ': gear paper assembly 13 ": gear paper assembly
13A: first end 13A ': first end
13A ": first end 13B: second end
13B ': the second end 13B ": second end
14: arm 16: articulated section
20: axial region 21: annular recess
22: axle 24: adapter
26: annular recess 30: the friction wheels
32: friction wheel 32 ': friction wheel
50: compression spring 60: torsion spring
101: paper-feeding roller 102: friction pad
103: spring 104: passage
201: paper-feeding roller 202: comber
203: spring 204: torque force limiting device
205: axle

Claims (30)

1. a comber is characterized in that, comprises:
Body;
Axial region, it is connected to described body; And
Two friction wheels, the both sides that it is mounted to the two ends of described axial region and is positioned at described body, described friction wheel set of contact paper, described body separates with described paper, and described body sees through described axial region and provides restriction torsion to limit described paper to described friction wheels to move.
2. comber as claimed in claim 1 is characterized in that, described body and described axial region relative fixed, and described axial region and described friction wheels can relatively rotate, and described restriction torsion results between described axial region and the described friction wheels.
3. comber as claimed in claim 2 is characterized in that, described body and described axial region are one of the forming.
4. comber as claimed in claim 1 is characterized in that, described axial region and described friction wheels relative fixed, and described body and described axial region can relatively rotate, and described restriction torsion results between described body and the described axial region.
5. comber as claimed in claim 1, it is characterized in that, described axial region and described friction wheels can relatively rotate, and described body and described axial region can relatively rotate, and described restriction torsion results between described axial region and the described friction wheels and between described body and the described axial region.
6. comber as claimed in claim 1 is characterized in that, each described friction wheels is installed in the annular recess of an end of described axial region.
7. comber as claimed in claim 1 is characterized in that, described axial region comprises axle and two adapters, and described two adapters are installed in the two ends of described axle respectively, and described two friction wheel groups are set in respectively on described two adapters.
8. comber as claimed in claim 7 is characterized in that, each described friction wheels is set on the annular recess of described adapter.
9. comber as claimed in claim 1 is characterized in that, each described friction wheels comprises O type ring.
10. comber as claimed in claim 1 is characterized in that, described body comprises:
Trunk portion, it is connected to described axial region; And
Arm, it is connected to described trunk portion.
11. comber as claimed in claim 10 is characterized in that, also comprises retaining paper assembly, has first end and second opposed end, described first end is fixed on the outside face that is parallel to described axial region of described trunk portion, and described second end is then unfixing.
12. comber as claimed in claim 10 is characterized in that, also comprises retaining paper assembly, has first end and second opposed end, described first end is fixed on the described arm, and described second end is then unfixing.
13. comber as claimed in claim 1 is characterized in that, described body comprises:
Trunk portion, it is connected to described axial region;
Arm, it is connected to described trunk portion; And
The articulated section, it is connected to described arm.
14. a paper distributing mechanism, group is located in the body, it is characterized in that described paper distributing mechanism comprises:
Comber, it comprises:
Body;
Axial region, it is connected to described body; And
Two friction wheels, the both sides that it is mounted to the two ends of described axial region and is positioned at described body, described friction wheel set of contact paper, described body separates with described paper, and described body sees through described axial region and provides restriction torsion to limit described paper to described friction wheels to move; And
Paper-feeding roller, it is rotated by drive power source, and with described friction wheel set of contact, and then produce external force, and desire is rotated described friction wheels in described friction wheels;
Wherein, pressure pressurizes described comber toward described paper-feeding roller.
15. paper distributing mechanism as claimed in claim 14 is characterized in that, also comprises:
Compression spring, it contacts described comber, in order to impose described pressure so that described comber is pressurizeed toward described paper-feeding roller.
16. paper distributing mechanism as claimed in claim 14 is characterized in that, described body and described axial region relative fixed, and described axial region and described friction wheels can relatively rotate, and described restriction torsion results between described axial region and the described friction wheels.
17. paper distributing mechanism as claimed in claim 16 is characterized in that, described body and described axial region are one of the forming.
18. paper distributing mechanism as claimed in claim 14 is characterized in that, described axial region and described friction wheels relative fixed, and described body and described axial region can relatively rotate, and described restriction torsion results between described body and the described axial region.
19. paper distributing mechanism as claimed in claim 14, it is characterized in that, described axial region and described friction wheels can relatively rotate, and described body and described axial region can relatively rotate, and described restriction torsion results between described axial region and the described friction wheels and between described body and the described axial region.
20. paper distributing mechanism as claimed in claim 14 is characterized in that, each described friction wheels is installed in the annular recess of an end of described axial region.
21. paper distributing mechanism as claimed in claim 14 is characterized in that, described axial region comprises axle and two adapters, and described two adapters are installed in the two ends of described axle respectively, and described two friction wheel groups are set in respectively on described two adapters.
22. paper distributing mechanism as claimed in claim 21 is characterized in that, each described friction wheels is set on the annular recess of described adapter.
23. paper distributing mechanism as claimed in claim 14 is characterized in that, each described friction wheels comprises 0 type ring.
24. paper distributing mechanism as claimed in claim 14 is characterized in that, described body comprises:
Trunk portion, it is connected to described axial region; And
Arm, it is connected to described trunk portion.
25. paper distributing mechanism as claimed in claim 24, it is characterized in that, also comprise retaining paper assembly, have first end and second opposed end, described first end is fixed on the outside face that is parallel to described axial region of described trunk portion, and described second end is then fixed and extended towards described paper-feeding roller direction.
26. paper distributing mechanism as claimed in claim 24 is characterized in that, also comprises retaining paper assembly, has first end and second opposed end, described first end is fixed on the described arm, and described second end is then fixed and extended towards described paper-feeding roller direction.
27. paper distributing mechanism as claimed in claim 14 is characterized in that, described body comprises:
Trunk portion, it is connected to described axial region;
Arm, it is connected to described trunk portion; And
The articulated section, it is connected to described arm, and in order to be pivoted to described body.
28. paper distributing mechanism as claimed in claim 27 is characterized in that, also comprises retaining paper assembly, has first end and second opposed end, described first end is fixed on the described arm, and described second end is then fixed and extended towards described paper-feeding roller direction.
29. paper distributing mechanism as claimed in claim 27 is characterized in that, also comprises:
Torsion spring, it is connected to described body, in order to described arm is imposed described pressure so that described comber is pressurizeed toward described paper-feeding roller.
30. paper distributing mechanism as claimed in claim 27 is characterized in that, described arm comprises elastic parts, and described arm imposes described pressure so that described comber is pressurizeed toward described paper-feeding roller.
CN200710037061A 2007-02-01 2007-02-01 Paper separation roller and paper separation mechanism using the same Active CN100584716C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200710037061A CN100584716C (en) 2007-02-01 2007-02-01 Paper separation roller and paper separation mechanism using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200710037061A CN100584716C (en) 2007-02-01 2007-02-01 Paper separation roller and paper separation mechanism using the same

Publications (2)

Publication Number Publication Date
CN101234708A CN101234708A (en) 2008-08-06
CN100584716C true CN100584716C (en) 2010-01-27

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105314415B (en) * 2014-07-30 2017-03-15 柯尼卡美能达办公系统研发（无锡）有限公司 Paper feed, device for image forming
CN106995078A (en) * 2017-04-28 2017-08-01 通江希达智能设备有限公司 A kind of full-automatic label dispenser
CN109532252B (en) * 2017-09-22 2020-07-03 东友科技股份有限公司 Roller type lateral force generating device

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