CN101870413A

CN101870413A - Paper feeding device

Info

Publication number: CN101870413A
Application number: CN200910137044A
Authority: CN
Inventors: 黄英杰
Original assignee: Kinpo Electronics Inc
Current assignee: Kinpo Electronics Inc
Priority date: 2009-04-21
Filing date: 2009-04-21
Publication date: 2010-10-27
Anticipated expiration: 2029-04-21
Also published as: CN101870413B

Abstract

The invention discloses a paper feeding device, which comprises a bearing platform and a paper sorting module. The bearing table is provided with a bearing plane, a bearing inclined plane and a slot positioned on the bearing plane. The paper sorting module comprises a guide structure fixed below the bearing plane, a paper pushing structure arranged on the guide structure in a sliding mode, an elastic piece connected between the paper pushing structure and a fixed end and a gear arranged on the guide structure. The gear is suitable for meshing with a meshing part and drives the paper pushing structure to move towards the bearing inclined plane along the groove so as to arrange a plurality of paper loaded on the bearing platform, and the subsequent paper separating step is facilitated. When a non-meshing part of the gear corresponds to the paper pushing structure, the paper pushing structure is reset by the elastic force of the elastic piece.

Description

Paper carrier

Technical field

The invention relates to a kind of paper carrier, and particularly relevant for a kind of paper carrier that is applicable to the affairs machine.

Background technology

Arrival along with informationized society, scanning device (scanner), photoprinter (photocopier) or chopping machine office automation equipment such as (printer) for example can be set in the office, and the user can carry out the document processing operation by these office automation equipment.When above-mentioned multiple office automation equipment is disposed at office simultaneously, will occupy many spaces.Therefore, (multi-function peripheral MPF) just is developed, to address the above problem to be integrated with the affairs machine of functions such as photomechanical printing, printing and scanning.

The user opens a stacker affairs machine that places usually, to xerox, to print or to scan.Carry out operation in order to make the affairs machine can once get a piece of paper, can dispose the separation member at the paper feed module usually.Utilizing frustrating of paper bent is common a kind of separation mode to get paper, for example is the friction force that provides by separation parts such as friction lining or zigzag structures and make paper frustrate song.Yet this kind separation mode has certain work limit, promptly paper relatively the separation part have the special angle scope and could carry out separation effectively.In other words, if can't be before carrying out separation with the paper arrangement for to have the probability that special angle then can reduce the paper feeding of successfully saying good-bye with the separation part.

Summary of the invention

The invention provides a kind of paper carrier, can put in order paper.

The present invention proposes a kind of paper carrier, is applicable to an affairs machine.Paper carrier comprises a plummer, a conveying member, a separation part and a paper finishing module.The fluting that plummer is opened in order to the carrying plurality of sheets of paper and had a load plane, a carrying inclined-plane that extends from an end of load plane toward eminence and be positioned at load plane.Conveying member is disposed at top, carrying inclined-plane and drives paper and moves toward load plane from the carrying inclined-plane.The separation part is disposed on the load plane so that paper is carried out separation, wherein slots between separation part and carrying inclined-plane.Paper finishing module comprises a guiding structural, a paper pushing structure, one first elastic component and a gear.Guiding structural is fixed in plummer and is positioned at below the load plane.Paper pushing structure is slidedly arranged on guiding structural.First elastic component is connected between a paper pushing structure and the fixed end.Gear arrangement is close to paper pushing structure and is set to rotate along single direction in guiding structural, its middle gear has one first engaging piece and a non-engaging piece.Be engaged in paper pushing structure and resist the elastic force of first elastic component and when driving the relative guiding structural of paper pushing structure and sliding when gear turns to first engaging piece, the part paper pushing structure protrudes into the load plane top and moves paper is pushed carry to the inclined-plane toward the carrying inclined-plane along fluting from fluting.When gear turns to non-engaging piece corresponding to paper pushing structure, paper pushing structure by the drive of the elastic force of first elastic component and relatively guiding structural slides, so that the part paper pushing structure that protrudes into the load plane top is away from the carrying inclined-plane and move to the load plane below.

In one embodiment of this invention, above-mentioned separation part is a friction lining.

In one embodiment of this invention, above-mentioned conveying member is a roller.

In one embodiment of this invention, the first above-mentioned elastic component is a spring.

In one embodiment of this invention, above-mentioned paper carrier more comprises an one-way wheel, and coupling gear is to rotate along single direction with limiting gear.

In one embodiment of this invention, above-mentioned guiding structural has a chute, and paper pushing structure is slidedly arranged on chute.

In one embodiment of this invention, above-mentioned gear has more one second engaging piece.When gear is engaged in paper pushing structure with second engaging piece and resists the elastic force of first elastic component and when driving the paper pushing structure start, the part paper pushing structure protrudes into the load plane top and moves to be positioned the ad-hoc location on the load plane toward carrying the inclined-plane along fluting from fluting.

In one embodiment of this invention, above-mentioned paper pushing structure comprises that a main body, pushes away paper spare and one second elastic component.Main body is slidedly arranged on guiding structural and has a tooth bar, and its middle rack meshes in order to first engaging piece with gear.Push away paper spare corresponding to fluting and in order to promote paper.Second elastic component is connected in main body and pushes away between the paper spare, wherein is pushed to carrying during the inclined-plane when paper, pushes away paper spare and is adjusted to an integral thickness that equals paper in fact with a minimum spacing of carrying between the inclined-plane by the elastic deformation of second elastic component.

In one embodiment of this invention, the second above-mentioned elastic component is a spring.

Based on above-mentioned, paper pushing structure of the present invention is by the drive of gear meshing portion and paper can be pushed carry to the inclined-plane, so that paper is put in order.When gear with non-engaging piece during corresponding to paper pushing structure, the elastic component that is connected between paper pushing structure and the fixed end can make paper pushing structure reset, so that paper can be moved to carry out separation toward load plane by the drive of conveying member.The paper of putting in order can promote the probability of the paper feeding of successfully saying good-bye when the separation part carries out separation.

Description of drawings

For above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated, wherein:

Fig. 1 is the part-structure block diagram of the paper carrier of one embodiment of the invention.

Fig. 2 is the part sectional view of the paper carrier of Fig. 1.

Fig. 3 A and Fig. 3 B are the start diagram of circuit of the paper finishing module of Fig. 2.

Fig. 4 A and Fig. 4 B are respectively the block diagram of the paper carrier of Fig. 3 A and Fig. 3 B.

The main element nomenclature:

50 paper, 100 paper carriers

110 plummers, 112 load planes

114 carrying inclined-planes, 116 flutings

120 conveying members, 130 separation parts

140 paper finishing module, 142 guiding structurals

142a chute 144 paper pushing structures

144a main body 144b pushes away paper spare

144c second elastic component 146 first elastic components

148 gear 148a, first engaging piece

Non-engaging piece 148c second engaging piece of 148b

150 one-way wheel D1 directions

D2 direction D3 direction

D4 direction R1 direction

T tooth bar E fixed end

The specific embodiment

Fig. 1 is the part-structure block diagram of the paper carrier of one embodiment of the invention.Fig. 2 is the part sectional view of the paper carrier of Fig. 1.Please refer to Fig. 1 and Fig. 2, the paper carrier 100 of present embodiment can be applicable to an affairs machine (not illustrating).Paper carrier 100 comprises a plummer 110, a conveying member 120 (being illustrated in Fig. 2), a separation part 130 and a paper finishing module 140.At least one fluting 116 (illustrate is three) that plummer 110 is opened 50 (being illustrated in Fig. 2) in order to the carrying plurality of sheets of paper and had a load plane 112, a carrying inclined-plane 114 that extends from an end of load plane 112 toward eminence and be positioned at load plane 112.In the present embodiment, conveying member 120 for example is a roller.

Conveying member 120 is disposed at carrying 114 tops, inclined-plane and drives paper 50 and moves toward load plane 112 from carrying inclined-plane 114.Separation part 130 is disposed on the load plane 112 so that paper 50 is carried out separation, wherein slots 116 between separation part 130 and carrying inclined-plane 114.Paper finishing module 140 comprises a guiding structural 142, a paper pushing structure 144, one first elastic component 146 and a gear 148.Guiding structural 142 is fixed in plummer 110 and is positioned at load plane 112 belows.Paper pushing structure 144 is slidedly arranged on guiding structural 142.First elastic component 146 is connected between a paper pushing structure 144 and the fixed end E (in the present embodiment, fixed end E for example is the structure that is fixed in plummer 110).Gear 148 is disposed at guiding structural 142 and is close to paper pushing structure 144 and is set to along single direction and rotate, and its middle gear 148 has one first an engaging piece 148a and a non-engaging piece 148b.In other words, the gear 148 of present embodiment for example is a hypodontia gear, and what the first engaging piece 148a and non-engaging piece 148b represented hypodontia gear periphery respectively has toothed portion and a hypodontia part.Please refer to Fig. 1, can be an one-way wheel 150 that couples gear 148 for the member that rotates along single direction in order to limiting gear 148.It is to avoid gear 148 because of the elastic force of first elastic component 146 is driven along the direction rotation that is in reverse to direction R1 that gear 148 is restricted to the purpose of rotating along single direction, and it can't be located.

Fig. 3 A and Fig. 3 B are the start diagram of circuit of the paper finishing module of Fig. 2.Fig. 4 A and Fig. 4 B are respectively the block diagram of the paper carrier of Fig. 3 A and Fig. 3 B.Please refer to Fig. 3 A and Fig. 4 A, be engaged in paper pushing structure 144 and resist the elastic force of first elastic component 146 and drive paper pushing structure 140 relative guiding structurals 142 when direction D1 slides when gear 148 turns to the first engaging piece 148a along direction R1, part paper pushing structure 144 116 protrudes into load plane 112 tops and moves to push carry paper 50 to inclined-plane 114 toward carrying inclined-plane 114 along direction D2 from slotting.Please refer to Fig. 1 and Fig. 2, when gear 148 when direction R1 turns to non-engaging piece 148b corresponding to paper pushing structure 144, paper pushing structure 144 by the drive of the elastic force of first elastic component 146 and relatively guiding structural 142 slides along direction D3 so that the part paper pushing structure 144 that protrudes into the load plane top along direction D4 away from carrying inclined-plane 114 and move to load plane 112 belows.In the present embodiment, first elastic component 146 for example is a spring.

In other words, paper pushing structure 144 is by the drive of the engaging piece 148a of gear 148 and paper 50 can be pushed carry to inclined-plane 114, so that paper 50 is put in order.When gear 148 with non-engaging piece 148b during corresponding to paper pushing structure 144, the elastic component 146 that is connected between paper pushing structure 144 and the fixed end E can make paper pushing structure 144 reset, so that paper 50 can be moved to carry out separation by separation part 130 toward load plane 112 by the drive of conveying member 120.In the present embodiment, separation part 130 for example is a friction lining, produces and frustrates the say good-bye effect of paper feeding of Qu Dacheng to make plurality of sheets of paper open a wherein paper of 50 by friction force.

Please refer to Fig. 2, in detail, guiding structural 142 has a chute 142a, and paper pushing structure 144 is slidedly arranged on chute 142a.Paper pushing structure 144 comprises a main body 144a, at least one paper spare 144b (illustrate is three) and one second elastic component 144c of pushing away.Main body 144a is slidedly arranged on the chute 142a of guiding structural 142 and has a tooth bar T, and its middle rack T meshes in order to the first engaging piece 148a with gear 148.Push away paper spare 144b correspond respectively to the fluting 116 (illustrating) as Fig. 1 and in order to the promotion paper 50.The second elastic component 144c is connected in main body 144a and pushes away between the paper spare 144b.

Please refer to Fig. 3 A, when paper 50 is pushed to carrying during inclined-plane 114, pushes away paper spare 144b and be adjusted to the integral thickness that equals paper 50 in fact by the elastic deformation of the second elastic component 144c with the minimum spacing of carrying between the inclined-plane 114.In other words, paper 50 can be borrowed the elastic deformation of the second elastic component 144c and will push away paper spare 144b support from carrying inclined-plane 114, all can suitably be sandwiched in and pushes away between paper spare 144b and the carrying inclined-plane 114 so that have the paper 50 of various varying numbers (promptly having various different-thickness).In the present embodiment, the second elastic component 144c for example is a spring.

Please refer to Fig. 3 B and Fig. 4 B, in the present embodiment, gear 148 has more one second engaging piece 148c.Be engaged in paper pushing structure 144 and resist the elastic force of first elastic component 146 and when driving paper pushing structure 144 starts when gear 148 turns to the second engaging piece 148c along direction R1, push away paper spare 144b and 116 protrude into load plane 112 tops and move to be positioned the ad-hoc location on the load plane 112 toward carrying inclined-plane 114 along direction D2 from slotting.Be positioned the pushing away paper spare 144b and can borrow it avoid the user when paper 50 is placed plummer 110 to stopping of paper 50 of ad-hoc location on the load plane 112, paper 50 is directly crossed fluting 116 and is made and push away paper spare 144b and can't positively put in order paper 50.

In sum, paper pushing structure of the present invention is by the drive of gear meshing portion and paper can be pushed carry to the inclined-plane, so that paper is put in order.When gear with non-engaging piece during corresponding to paper pushing structure, the elastic component that is connected between paper pushing structure and the fixed end can make paper pushing structure reset, so that paper can be moved to carry out separation toward load plane by the drive of conveying member.The paper of putting in order can promote the probability of the paper feeding of successfully saying good-bye when the separation part carries out separation.In addition, paper pushing structure can be located in ad-hoc location on the load plane suitably to limit the moving range of paper, and paper pushing structure can positively be put in order paper.

Though the present invention discloses as above with preferred embodiment; right its is 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; when can doing a little modification and perfect, so protection scope of the present invention is when with being as the criterion that claims were defined.

Claims

1. A paper feeding device for an image forming device, the paper feeding device comprising:

A carrying platform is used to carry a plurality of sheets of paper and has a carrying plane, a carrying slope extending from one end of the carrying plane to a high place, and a slot on the carrying plane;

a conveying member, arranged above the bearing slope and driving the papers to move from the bearing slope to the bearing plane;

a paper-separating piece configured on the bearing plane to separate the papers;

A paper sorting module, including:

a guiding structure fixed on the bearing platform and located below the bearing plane;

a paper pushing structure, which is slidably arranged on the guiding structure;

a first elastic member connected between the paper pushing structure and a fixed end; and

A gear, arranged on the guide structure and adjacent to the paper pushing structure, and set to rotate in a single direction, wherein the gear has a first meshing portion and a non-engaging portion, when the gear rotates to the first meshing portion When engaging with the paper pushing structure and resisting the elastic force of the first elastic member to drive the paper pushing structure to slide relative to the guiding structure, part of the paper pushing structure protrudes from the slot above the bearing plane and along the opening The groove moves toward the supporting inclined plane to push the papers towards the supporting inclined plane. When the gear rotates to correspond to the paper pushing structure with the non-engaging part, the paper pushing structure is activated by the elastic force of the first elastic member. Drive and slide relative to the guide structure, so that the part of the paper pushing structure that protrudes above the bearing plane moves away from the bearing slope and moves below the bearing plane.

2. The paper feeding device according to claim 1, wherein the paper separating member is a friction plate.

3. The paper feeding device as claimed in claim 1, wherein the conveying member is a roller.

4. The paper feeding device as claimed in claim 1, wherein the first elastic member is a spring.

5. The paper feeding device as claimed in claim 1, further comprising a one-way wheel coupled to the gear to limit the gear to rotate in a single direction.

6. The paper feeding device according to claim 1, wherein the guiding structure has a chute, and the paper pushing structure is slidably disposed on the chute.

7. The paper feeding device according to claim 1, wherein the gear further has a second meshing portion, and when the gear meshes with the paper pushing structure with the second meshing portion and resists the movement of the first elastic member When the elastic force drives the paper pushing structure to move, part of the paper pushing structure protrudes from the slot to above the bearing plane and moves along the slot to the bearing slope to be positioned at a specific position on the bearing plane.

8. The paper feeding device according to claim 1, wherein the paper pushing structure comprises:

a main body, which is slidably arranged on the guiding structure and has a rack, wherein the rack is used for meshing with the first meshing portion of the gear;

a paper pusher corresponding to the slot and used to push the papers; and

A second elastic member, connected between the main body and the paper pushing member, wherein when the papers are pushed towards the supporting inclined surface, a minimum distance between the paper pushing member and the supporting inclined surface is determined by the second The elastic deformation of the elastic member is adjusted to be substantially equal to an overall thickness of the paper sheets.

9. The paper feeding device as claimed in claim 8, wherein the second elastic member is a spring.