CN1131835C - Automatic in-position paper feeder - Google Patents

Automatic in-position paper feeder Download PDF

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Publication number
CN1131835C
CN1131835C CN99124154A CN99124154A CN1131835C CN 1131835 C CN1131835 C CN 1131835C CN 99124154 A CN99124154 A CN 99124154A CN 99124154 A CN99124154 A CN 99124154A CN 1131835 C CN1131835 C CN 1131835C
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CN
China
Prior art keywords
shell fragment
friction shim
automatic
paper
position paper
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CN99124154A
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Chinese (zh)
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CN1273210A (en
Inventor
林献琪
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Avision Inc
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Avision Inc
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Priority to CN99124154A priority Critical patent/CN1131835C/en
Publication of CN1273210A publication Critical patent/CN1273210A/en
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Publication of CN1131835C publication Critical patent/CN1131835C/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00Separating articles from piles
    • B65H3/46Supplementary devices or measures to assist separation or prevent double feed
    • B65H3/56Elements, e.g. scrapers, fingers, needles, brushes, acting on separated article or on edge of the pile

Abstract

The present invention relates to an automatic in-position paper feeding device which has the main structure that a rectangular groove is arranged in the center of the front segment of a paper feeding casket, a flexible friction pad is embedded in the rectangular groove and is fixed through a fixing end or is arranged on the side wall of the groove in a shaft mode, and the front end of the flexible friction pad is higher than the side wall of the groove and comes into contact with a transmission roller elastically. Paper to be transferred is transferred to the roller in a single piece mode so as to be sucked and is transferred to the next position through a guide plate. The paper does not need to be placed carefully by users, the paper is placed roughly, the automatic in-position paper feeding device can move automatically, and can overcome the defect that if the paper is placed roughly, the paper can not be transferred.

Description

Automatic in-position paper feeder
Technical field
The invention relates to a kind of paper feeder, as long as especially a kind of user is the rough paper of placing, paper feeder that promptly can automatic in-position.
Background technology
The paper feeder birds-eye view of prior art as shown in Figure 1, Fig. 2 is that Fig. 1 is the section drawing of hatching with the AA line.Paper box 10 tail ends to be become horizontal or near horizontal (referring to Fig. 2), at the front end of paper box 10 diving board 101 is arranged, and is subjected to the elastic force of first spring 12 and upsprings towards conveying roller 14.Conveying roller 14 is by 141 driven rotary of rotating shaft.The front end of paper box 10 has a groove 104 that the space of diving board 101 swings is provided, diving board 101 along with treat paper feeding open 991 what be centre of gration with rotating shaft 103, can between positions such as 101 and 102, exist, provide treat paper feeding open 991 and conveying roller 14 between a contact force, contact point is 992, so that conveying roller 14 can pass through contact friction force, paper 991 is delivered to guide plate 993, and arrives next position.There is a friction lining 16 (design that has is to adopt roller) below of conveying roller 14, and second spring 18 provides elastic force that friction lining 16 is pushed to be meshed with conveying roller 14.
Fig. 3 is the paper feeding casket front end front view of Fig. 1, shows the diving board 101 of prior art, along with treat paper feeding open 991 what be centre of gration with rotating shaft 103, can between positions such as 101 and 102, exist.
But adopt the paper feeding for the treatment of of prior art to open 991, must carefully paper be pushed to the location with manpower, regular meeting produces not paper feeding because of people's carelessness or leaks the shortcoming of paper feeding, and use is also convenient inadequately.
Summary of the invention
The purpose of this invention is to provide a kind of without manpower, easy to use automatic in-position paper feeder, exempt manpower and may produce the shortcoming of not paper feeding because of carelessness.
The object of the present invention is achieved like this: the present invention mainly is made up of flexible friction shim, paper feeding casket, rectangular recess, conveying roller, guide plate etc.It raises paper feeding casket rear end, makes to treat that paper feeding opens 991 by natural gravity, promptly can automatic in-position cooperates the design of the special entity of paper box front end, not the shortcoming that can inhale less than paper 991 just like the conveying roller 14 of prior art.
Description of drawings
Fig. 1 is the paper feeder birds-eye view of prior art;
Fig. 2 is the section drawing of prior art;
Fig. 3 is the paper feeding casket front end front view of prior art;
Fig. 4 is a paper feeder birds-eye view of the present invention;
Fig. 5 is a section drawing of the present invention;
Fig. 6 is a paper feeding casket front end front view of the present invention;
Fig. 7 is that paper feeding casket tail end of the present invention changes one of design;
Fig. 8 is two of paper feeding casket tail end variation design of the present invention;
Fig. 9 is the second embodiment of the invention birds-eye view;
Figure 10 is that the present invention is the second embodiment section drawing;
Figure 11 is the second embodiment section drawing that the present invention has both arms shell fragment and hook;
Figure 12 is a third embodiment of the present invention birds-eye view;
Figure 13 is a third embodiment of the present invention section drawing;
Figure 14 is the fourth embodiment of the invention diagrammatic sketch of bowing;
Figure 15 is the fourth embodiment of the invention section drawing;
Figure 16 is a fifth embodiment of the invention;
Figure 17 is the variation design birds-eye view of Fig. 4;
Figure 18 is the section drawing of Figure 17;
Figure 19 is the paper feeding casket front end front view of Figure 17;
Figure 20 is that the paper feeding casket tail end of Figure 17 changes design one;
Figure 21 is that the paper feeding casket tail end of Figure 17 changes design two;
Figure 22 is the variation design birds-eye view of Fig. 9;
Figure 23 is the section drawing of Figure 22;
Figure 24 is the section drawing that Figure 22 has both arms shell fragment and hook;
Figure 25 is the variation design birds-eye view of Figure 12;
Figure 26 is the section drawing of Figure 25;
Figure 27 is the variation design birds-eye view of Figure 14;
Figure 28 is the section drawing of Figure 27;
Figure 29 is the variation design drawing of Figure 16.
Figure 30 is a sixth embodiment of the present invention section drawing;
Figure 31 is the birds-eye view of Figure 30;
Figure 32 is the decomposition view of Figure 31;
Figure 33 is a seventh embodiment of the present invention section drawing;
Figure 34 is the birds-eye view of Figure 33;
Figure 35 is the decomposition view of Figure 34;
Figure 36 is an eighth embodiment of the present invention section drawing;
Figure 37 is the birds-eye view of Figure 36;
Figure 38 is the decomposition view of Figure 37;
The specific embodiment
With reference to accompanying drawing, in conjunction with the embodiments, the present invention is described in further detail.
Fig. 4 is a paper feeder birds-eye view of the present invention, paper feeding casket 20 has a rectangular recess 25 in the leading portion centre, flexible friction shim 22 embeds in the rectangular recess 25, and fixing or be placed in the limit wall of groove 25 or other are suitably local with shaft type with fixed end 221.The front end of flexible friction shim 22 is higher than the limit wall of groove 25, so that keep Elastic Contact with conveying roller 24 (referring to Fig. 5), provides and treats that paper feeding opens 991 and be transmitted roller 24 (referring to Fig. 5) one by one and suck, and is sent to the next position via guide plate 993.
Why flexible friction shim 22 adopts its pliability, be based on when treating that paper feeding is opened 991 more, the total weight of paper 991 can be with flexible friction shim 22 toward pressing down, and flexible friction shim 22 produces recessed, so, can not have influence on contacting between conveying roller 24 and the flexible friction shim 22.Spring 28 (or shell fragment 28) is positioned at flexible friction shim 22 belows, keeps flexible friction shim 22 to make progress and conveying roller 24 flexible contacts.Paper feeding casket 20 rear ends and planar shaped in an angle so that paper 991 can glide and put in place and contact at contact point 992 with conveying roller 24 automatically by gravity itself.So can finish the function of automatic in-position paper feeder of the present invention.
Fig. 5 is a section drawing of the present invention, illustrates the same.
Fig. 6 is a paper feeding casket front end front view of the present invention.
There is rectangular recess 25 in the front end central authorities of paper feeding casket 20, in contrast to prior art Fig. 3, and its paper feeding casket 10 is comprehensive groove, and flexible friction shim 22 is by the thrust of spring 28, with conveying roller 24 Elastic Contact.
Fig. 7 is that paper feeding casket tail end of the present invention changes design one.Paper feeding casket 20 rear ends 201 form arcuation and upwarp, and provide paper 991 relative stronger downslide strength.
Fig. 8 is that paper feeding casket tail end of the present invention changes design two.Paper feeding casket 20 rear ends 201 form arcuation and have a downwarp, and provide paper 991 relative more weak downslide strength.
Fig. 9 is a second embodiment of the present invention birds-eye view.Paper feeding casket 20 has a rectangular recess 25 in the leading portion centre, and flexible friction shim 22 embeds in the rectangular recess 25, and is fixed in the limit wall of groove 25 with fixed end 221.The front end of flexible friction shim 22 is higher than the limit wall of groove 25, spring 28 is positioned at flexible friction shim 22 belows, so that keep Elastic Contact with conveying roller 24 (referring to Figure 10), provide and treat that paper feeding opens 991 and be transmitted roller 24 (referring to Figure 10) one by one and suck, reach the next position via guide plate 993.
This second embodiment includes both arms shell fragment 31, provide flexible friction shim 22 back segments stronger upwards bracing force, can treat paper feeding number amount more for a long time, share load capacity, make to be unlikely to overweight and flexible friction shim 22 excessively to be pressed down and cause flexible friction shim 22 to separate with conveying roller 24 and influence paper feeding function.That is to say that both arms shell fragment 31 provides auxiliary elastic force, if do not increase both arms shell fragment 31,22 of then flexible friction shims can carry treat that 991 quantity is opened in paper feeding can be relatively less, otherwise, if increase both arms shell fragment 31,22 of then flexible friction shims can carry treat that 991 quantity is opened in paper feeding can be relatively more.
Figure 10 is a second embodiment of the present invention section drawing.Show both arms shell fragment 31 and flexible friction shim 22 local overlapping relative positions.Both arms shell fragment 31 is can pressurized downward, arrives for example 312 position.
Figure 11 is the second embodiment section drawing with both arms shell fragment and hook of the present invention.Both arms shell fragment 31 adopts the purpose of hook shape, then be when treating that paper feeding opens 991 when increasing, the hook 311 of both arms shell fragment 31 can touch the bottom surface of rectangular recess 25 because of pressurized downwards, and it is recessed and cause flexible friction shim 22 and separate with conveying roller 24 and influence paper feeding function to avoid flexible friction shim 22 to be unlikely excessive pressurized.The design of simple type, both arms shell fragment 31 also can change into does not have the dull and stereotyped single armed shell fragment of hook, be placed in flexible friction shim 22 above or below, so also can reach similar functions, just when paper feeding 991 is treated in carrying and can be less relatively, that be because lack the hold function of hook.Both arms shell fragment 31 also can change the single armed shell fragment with hook into, is placed in the central authorities of the flexible friction shim 22 of digging a hole, and so also can reach similar functions.
Figure 12 is the third embodiment of the invention birds-eye view.Paper feeding casket 20 has a rectangular recess 25 in the leading portion centre, and flexible friction shim 22 embeds in the rectangular recess 25, and is fixed in the limit wall of groove 25 with fixed end 221.The front end of flexible friction shim 22 is higher than the limit wall of groove 25, spring 28 is positioned at flexible friction shim 22 belows, so that keep Elastic Contact with conveying roller 24 (referring to Figure 13), provide and treat that paper feeding opens 991 and be transmitted roller 24 (referring to Figure 13) one by one and suck, be sent to the next position via guide plate 993.
This 3rd embodiment includes pad block 43, provide flexible friction shim 22 treating that paper feeding opens 991 quantity more for a long time, flexible friction shim 22 can be placed on the pad block 43 and bear the weight of paper 991, makes flexible friction shim 22 be unlikely excessively recessed and causes flexible friction shim 22 and separate with conveying roller 24 and influence paper feeding function.That is to say that pad block 43 provides the function of auxiliary carrying, if do not increase pad block 43,22 of then flexible friction shims can carry treat that 991 quantity is opened in paper feeding can be relatively less, otherwise, if increase pad block 43,22 of then flexible friction shims can carry treat that 991 quantity is opened in paper feeding can be relatively more.
Figure 13 is a third embodiment of the present invention section drawing, shows the relative position of pad block 43 and flexible friction shim 22.In addition, also pad block 43 areas can be strengthened, make with flexible friction shim 22 back segments overlappingly, so, also can reach the function of the identical more paper 991 of carrying.
Figure 14 is the fourth embodiment of the invention birds-eye view, paper feeding casket 20 has a rectangular recess 25 in the leading portion centre, flexible friction shim 22 embeds in the rectangular recess 25, and be fixed in the limit wall of groove 25 with fixed end 221, the front end of flexible friction shim 22 is higher than the limit wall of groove 25, spring 28 is positioned at flexible friction shim 22 belows, so that keep Elastic Contact with conveying roller 24 (referring to Figure 15), provide and treat that paper feeding opens 991 and be transmitted roller 24 (referring to Figure 15) one by one and suck, be sent to the next position via guide plate 993.
This 4th embodiment includes both arms shell fragment 31 and shell fragment block 53, provide flexible friction shim 22 treating that paper feeding opens 991 quantity more for a long time, both arms shell fragment 31 can be assisted flexible friction shim 22 and be born the weight of paper 991, makes to scratch friction shim 22 and be unlikely excessively recessed and cause flexible friction shim 22 and separate with conveying roller 24 and influence paper feeding function.That is to say that both arms shell fragment 31 provides the function of auxiliary carrying, if do not increase both arms shell fragment 31,22 of then flexible friction shims can carry treat that 991 quantity is opened in paper feeding can be relatively less, otherwise, if increase both arms shell fragment 31,22 of then flexible friction shims can carry treat that 991 quantity is opened in paper feeding can be relatively more.53 of shell fragment blocks be when paper 991 more for a long time, both arms shell fragment 31 can be positioned on the shell fragment block 53, it is recessed and cause flexible friction shim 22 and separate with conveying roller 24 and influence paper feeding function to cause flexible friction shim 22 to be unlikely excessive pressurized.Both arms shell fragment 31 also can change design, and making becomes the single armed shell fragment, embeds in the central flexible friction shim 22 of digging a hole, and also can obtain similar functions.Both arms shell fragment 31 adopts the purpose of hook shape, then be when treating that paper feeding opens 991 when increasing, the hook of both arms shell fragment 31 can touch the bottom surface of rectangular recess 25 because of pressurized downwards, and it is recessed and cause and scratch friction shim 22 and separate with conveying roller 24 and influence paper feeding function to avoid flexible friction pad 22 to be unlikely excessive pressurized.
Figure 15 is a fourth embodiment of the present invention section drawing, show both arms shell fragment 31, shell fragment block 53, and flexible friction shim 22 between relative position.
Figure 16 is the fifth embodiment of the invention section drawing.Wherein, 993 is guide plate, 20 are the paper feeding casket, 25 is groove, 221 is fixed end, be illustrated between flexible friction shim 22 and the spring 28 and can increase a spill push pedal 67, so, conveying roller 24 and the groove place of flexible friction shim 22 in spill push pedal 67 can be provided, produce the contact surface 642 of a concave surface, improve the area of contact between conveying roller 24 and the flexible friction shim 22, and provide the flexible friction shim 22 of conveying roller 24 cooperations for treating that paper feeding opens the fiduciary level of 991 the cleaning sucking paper that rubs.
Figure 17 is the variation design birds-eye view of Fig. 4.This design becomes bottom guide 75 with different paper feeding casket 20 Front-end Design that are of Fig. 4 maximum, notices that bottom guide 75 is with level connection guide plate 993, and 22 tops that are positioned at bottom guide 75 of flexible friction shim are engaged in the running of conveying roller 24.Transmission principle and prior figures 4 for paper 991 are described identical, and modern repeat specification is as follows.
Figure 17-Figure 19 shows that paper feeding casket 20 front ends have a bottom guide 75, and flexible friction shim 22 is positioned at the top of bottom guide 75, and fixing or be placed in suitably place of the limit wall of paper feeding casket 20 and 75 of bottom guides or other with shaft type with fixed end 221.Flexible friction shim 22 positioned beneath have spring 28 (or shell fragment 28), so that make flexible friction shim 22 and conveying roller 24 (referring to Figure 18) keep Elastic Contact, provide and treat that paper feeding opens 991 and be transmitted roller 24 (referring to Figure 18) one by one and suck, be sent to the next position via guide plate 993.Why flexible friction shim 22 adopts its pliability, be based on when treating that paper feeding is opened 991 more, the total weight of paper 991 can be with flexible friction shim 22 toward pressing down, flexible friction shim 22 produces recessed, so, can not have influence on contacting between conveying roller 24 and the flexible friction shim 22, spring 28 (or shell fragment 28) is positioned at flexible friction shim 22 belows, provides flexible friction shim 22 upwards and conveying roller 24 flexible contacts.Paper feeding casket 20 rear ends and planar shaped in an angle so that paper 991 can glide and put in place and contact at contact point 992 with conveying roller 24 automatically by gravity itself.So promptly can finish the function of automatic in-position paper feeder of the present invention.
Figure 18 is the section drawing of Figure 17;
Figure 19 is the paper feeding casket front end front view of Figure 17.Flexible friction shim 22 is positioned at the top of the front end central authorities bottom guide 75 of paper feeding casket 20, in view of the paper feeding casket diving board 101,102 of prior art Fig. 3 is wide hardboard, the design is the thrust that narrow flexible friction shim 22 passes through spring 28, and Elastic Contact is in conveying roller 24.
Figure 20 is that the paper feeding casket tail end of Figure 17 changes design one.Paper feeding casket 20 rear ends 201 form arcuation and upwarp, and provide paper 991 relative stronger downslide strength.
Figure 21 is that the paper feeding casket tail end of Figure 17 changes design two.Paper feeding casket 20 rear ends 201 form arcuation and have a downwarp, and provide paper 991 relative more weak downslide strength.
Figure 22 is the variation design birds-eye view of Fig. 9;
This design of Figure 22-Figure 23 becomes bottom guide 75 with different paper feeding casket 20 Front-end Design that are of Fig. 9 maximum, notices that bottom guide 75 is to connect guide plate 993 with level.22 tops that are positioned at bottom guide 75 of flexible friction shim are engaged in the running of conveying roller 24.Transmission principle and prior figures 9 for paper 991 are described identical, and modern repeat specification is as follows.
Figure 22-Figure 23 shows that paper feeding casket 20 front ends have a bottom guide 75, and flexible friction shim 22 is positioned at the top of bottom guide 75, and fixing or be placed in suitably place of the limit wall of paper feeding casket 20 and 75 of bottom guides or other with shaft type with fixed end 221.Flexible friction shim 22 positioned beneath have spring 28 (or shell fragment 28), so that make flexible friction shim 22 and conveying roller 24 (referring to Figure 23) keep Elastic Contact, provide and treat that paper feeding opens 9911 and be transmitted roller 24 (referring to Figure 23) one by one and suck, be sent to the next position via guide plate 993.
Present embodiment comprises both arms shell fragment 31, provide flexible friction shim 22 back segments that stronger upwards bracing force is arranged, can treat that paper feeding opens 991 quantity more for a long time, share load capacity, make to be unlikely to weight and flexible friction shim 22 excessively to be pressed down and flexible friction shim 22 separates with conveying roller 24 and influence paper feeding function.Just both arms shell fragment 31 provides auxiliary elastic force, if do not increase both arms shell fragment 31,22 of then flexible friction shims can carry treat that 991 quantity is opened in paper feeding can be relatively less, otherwise, if increase both arms shell fragment 31,22 of then flexible friction shims can carry treat that 991 quantity is opened in paper feeding can be relatively more.Both arms shell fragment 31 also can change design, and making becomes the single armed shell fragment, is placed in flexible friction shim 22 back segments top or below, also can obtain similar functions.Both arms shell fragment 31 also can change design, and making becomes in the downward central flexible friction shim 22 of digging a hole of single armed shell fragment embedding of hook, also can obtain similar functions.Both arms shell fragment 31 also can change design, and making to become has the downward single armed shell fragment of hook to embed in the central flexible friction shim 22 of digging a hole, and also can obtain similar functions.
Figure 23 is the section drawing of Figure 22, shows both arms shell fragment 31 and flexible friction shim 22 local overlapping relative positions, and both arms shell fragment 31 is can pressurized downward, arrives for example 812 position.
Figure 24 has the section drawing of both arms shell fragment and hook for Figure 22, both arms shell fragment 31 adopts the purpose of hook shape, then be when treating that paper feeding 991 increases, the hook 811 of both arms shell fragment 31 can touch bottom guide 75 because of pressurized downwards, and it is recessed and cause flexible friction shim 22 and separate with conveying roller 24 and influence paper feeding function to avoid flexible friction shim 22 to be unlikely excessive pressurized.The design of simple type also can be adopted not have hook or the design of hook is slightly only arranged, and so also can reach similar functions.As long as treat that paper feeding was opened at 991 o'clock and can be less relatively holding to cut, that is because lack the function of hook.
Figure 25 is the variation design birds-eye view of Figure 12.This design of Figure 25-Figure 26 becomes bottom guide 75 with different paper feeding casket 20 Front-end Design that are of Figure 12 maximum, notices that bottom guide 75 is to connect guide plate 993 with level.22 tops that are positioned at bottom guide 75 of flexible friction shim are engaged in the running of conveying roller 24, and described identical for transmission principle and front Figure 12 of paper 991, modern repeat specification is as follows.
Paper feeding casket 20 front ends have a bottom guide 75, flexible friction shim 22 is positioned at the top of bottom guide 75, and it is fixing or be placed in suitably place of the limit wall of paper feeding casket 20 and 75 of bottom guides or other with shaft type with fixed end 221, flexible friction shim 22 positioned beneath have spring 28 (or shell fragment 28) so that make flexible friction shim 22 and conveying roller 24 (referring to Figure 26) keep Elastic Contact, provide and treat that paper feeding opens 991 and be transmitted roller 24 (referring to Figure 26) one by one and suck, be sent to the next position via guide plate 993.
This enforcement includes pad block 93, provide flexible friction shim 92 treating paper feeding 991 quantity more for a long time, flexible friction shim 92 can be placed on the pad block 43 and bear the weight of paper 991, makes flexible friction shim 22 be unlikely excessively recessed and causes flexible friction shim 22 and separate with conveying roller 24 and influence paper feeding function.That is to say that pad block 43 provides the function of auxiliary carrying, if do not increase pad block 43,22 of then flexible friction shims can carry treat that 991 quantity is opened in paper feeding can be relatively less, otherwise, if increase pad block 43,22 of then flexible friction shims can carry treat that 991 quantity is opened in paper feeding can be relatively more.
Figure 26 is the section drawing of Figure 25, shows the relative position of pad block 43 and flexible friction shim 22.In addition, also pad block 43 areas may be strengthened, make with flexible friction shim 22 back segments overlappingly, so, also can reach the function of the identical more paper 991 of carrying.
Figure 27 is the variation design birds-eye view of Figure 14, and this design of Figure 27-Figure 28 becomes bottom guide 75 with different paper feeding casket 20 Front-end Design that are of Figure 14 maximum, notices that bottom guide 75 is to connect guide plate 993 with level.22 tops that are positioned at bottom guide 75 of flexible friction shim are engaged in the running of conveying roller 24.Transmission principle and front Figure 14 for paper 991 are described identical, and modern repeat specification is as follows.
Paper feeding casket 20 front ends have a bottom guide 75, and flexible friction shim 22 is positioned at the top of bottom guide 75, and fixing or be placed in suitably place of the limit wall of paper feeding casket 20 and 75 of bottom guides or other with shaft type with fixed end 221.Flexible friction shim 22 positioned beneath have spring 28 (or shell fragment 28), so that make flexible friction shim 22 and conveying roller 24 (referring to Figure 28) keep Elastic Contact, provide and treat that paper feeding opens 991 and be transmitted roller 24 (referring to Figure 28) one by one and suck, reach the next position via guide plate 993.
Present embodiment includes both arms shell fragment 31 and shell fragment block 53, provide flexible friction shim 22 treating that paper feeding opens 991 quantity more for a long time, both arms shell fragment 31 also can be assisted flexible friction shim 22 and be born the weight of paper 991, makes flexible friction shim 22 be unlikely excessively recessed and causes and scratch friction shim 22 and separate with conveying roller 24 and influence paper feeding function.That is to say that both arms shell fragment 31 provides the function of auxiliary carrying, if do not increase both arms shell fragment 31,22 of then flexible friction shims can carry treat that 991 quantity is opened in paper feeding can be relatively less, otherwise, if increase both arms shell fragment 31,22 of then flexible friction shims can carry treat that 991 quantity is opened in paper feeding can be relatively more.53 of shell fragment blocks be when paper 991 more for a long time, both arms shell fragment 31 may stop on the shell fragment block 53, it is recessed and cause flexible friction shim 22 and separate with conveying roller 24 and influence paper feeding function to cause flexible friction shim 22 to be unlikely excessive pressurized.Both arms shell fragment 31 also can change design, and making becomes dull and stereotyped single armed shell fragment, is placed in the top or the below of flexible friction shim 22, also can obtain similar functions.Both arms shell fragment 31 also can change design, makes to become to collude the single armed shell fragment, is embedded in the flexible friction shim 22 that central authorities dig a hole, and also can obtain similar functions.Both arms shell fragment 31 adopts the purpose of hook shape, then be when treating that paper feeding opens 991 when increasing, the hook of both arms shell fragment 31 can touch bottom guide 75 because of pressurized downwards, and it is recessed and cause flexible friction shim 22 and separate with conveying roller 24 and influence paper feeding function to avoid flexible friction shim 22 to be unlikely excessive pressurized.
Figure 28 is the section drawing of Figure 27, show both arms shell fragment 31, shell fragment block 53, and flexible friction shim 22 between relative position.
Figure 29 is the variation design of Figure 16, has the spill push pedal.This design becomes bottom guide 75 with different paper feeding casket 20 Front-end Design that are of Figure 16 maximum, notices that bottom guide 75 is to connect guide plate 993 with level.22 tops that are positioned at bottom guide 75 of flexible friction shim are engaged in the action of conveying roller 24.Transmission principle and front Figure 16 for paper 991 are described identical, and modern repeat specification is as follows.
Wherein 221 is fixed end, Figure 29 is presented between flexible friction shim 22 and the spring 28 possibility to increase a spill push pedal 67, so, conveying roller 24 and the groove place of flexible friction shim 22 in spill push pedal 67 can be provided, produce the area of contact 642 of a concave surface, improve the area of contact between conveying roller 24 and the flexible friction shim 22, and improve the flexible friction shim 22 of conveying roller 24 cooperations for treating that paper feeding opens the fiduciary level of 991 the cleaning sucking paper that rubs.
Figure 30 is a sixth embodiment of the present invention section drawing, show among the figure and wherein have two shell fragments, comprise first shell fragment 121 and second shell fragment 123, what be positioned at central authorities is friction shim 122, the front end of friction shim 122 contacts with conveying roller 24, when conveying roller 24 rotates, can utilize the friction force of conveying roller 24, suction is opened in the paper feeding for the treatment of that conveying roller 24 touches, be sent to the next position and use.First shell fragment 121 and second shell fragment 123 all have the pair of parallel both arms, ride in the both sides of friction shim 122.First shell fragment 121 has a tail end 127, the second shell fragments 123 and has a tail end 125, and the friction shim 122 that is positioned at central authorities has 126, three tail ends of a tail end and settles arrangement in the sandwich mode from top to bottom in 125,126 and 127 mode.The benefit of this arrangement be first shell fragment 121 and second shell fragment 123 in conjunction with central friction shim 122, can carry more paper jointly.Simultaneously, based on the smooth side of second shell fragment 123, can be when the decreased number of paper, still can make paper slide into a end smoothly near conveying roller 24, suck and use and be transmitted roller 24 effectively.
Figure 31 is the birds-eye view of Figure 30, shows among the figure that second shell fragment 123 and first shell fragment 121 have similar shape, have parallel overlapping bell zone.When the number of paper more after a little while, paper will be raised by second shell fragment 123, and slide into the end near conveying roller 24, suck and will use and make paper be transmitted roller 24 effectively.When the number of paper more for a long time, second shell fragment 123 is depressed, the lower end that comes the paper of back can touch the friction shim (122) that is positioned at central authorities, at this moment, be positioned at the friction that central friction shim (122) provides, can be so that coming the paper of back have excessive strength and push away forward, so can avoid coming the paper that the fwd paper produces because being subjected to thrust more than and be transmitted the shortcoming that roller 24 sucks simultaneously.
Figure 32 is the decomposition view of Figure 31, shows among the figure that second shell fragment 123 and first shell fragment 121 have similar shape, have parallel overlapping bell zone.First shell fragment 121 and second shell fragment 123 have parallel both arms, can be with the integrated U-shaped element of material, also can be that two independent length of a film bar materials constitute.
Figure 33 is a seventh embodiment of the present invention section drawing, diagram shows wherein have two shell fragments, comprise first shell fragment 121 and second shell fragment 123, what be positioned at central authorities is friction shim 122, the front end of friction shim 122 contacts with conveying roller 24, when conveying roller 24 rotates, can utilize the friction force of conveying roller 24, suction is opened in the paper feeding for the treatment of that conveying roller 24 touches, be sent to the next position and use.Friction shim 122 is near the fixed edge place, and design has a groove 25, the first shell fragments 121 and second shell fragment 123, is arranged among the groove 25 of friction shim 122.Wherein first shell fragment 121 is arranged at the bottom of groove 25, and second shell fragment 123 is arranged at the top of groove 25.First shell fragment 121 has a tail end 127, the second shell fragments 123 and has a tail end 125, and the friction shim 122 that is positioned at central authorities has a tail end 126.Three tail ends are settled arrangement in the sandwich mode from top to bottom in 125,126 and 127 mode.The benefit of this arrangement is that first shell fragment 121 upwards lifts, cooperates second shell fragment 123, again in conjunction with central friction shim 122, can carry more paper jointly.Simultaneously, based on the smooth side of second shell fragment 123, can be more after a little while at the number of paper, still can make paper slide into a end smoothly near conveying roller 24, suck and use and be transmitted roller 24 effectively.
Figure 34 is the birds-eye view of Figure 33, shows among the figure that second shell fragment 123 and first shell fragment 121 have similar shape, parallel being overlapped among the groove 25.When the number of paper more after a little while, paper will be raised by second shell fragment 123, and slide into the end near conveying roller 24, suck and will use and make paper be transmitted roller 24 effectively.When the number of paper slightly for a long time, second shell fragment 123 is depressed, the lower end that comes the paper of back can touch the friction shim 122 that is positioned at central authorities, at this moment, be positioned at the friction that central friction shim 122 provides, can be so that coming the paper of back have excessive strength and push away forward, so can avoid coming the paper that the fwd paper produces because being subjected to thrust more than and be transmitted the shortcoming that roller 24 sucks simultaneously.
Figure 35 is the exploded drawings of Figure 34.
Show among the figure that second shell fragment 123 and first shell fragment 121 have similar shape, parallel being overlapped among the groove 25.
Figure 36 is an eighth embodiment of the present invention section drawing;
Being illustrated as another embodiment of the present invention, having two shell fragments, promptly is first shell fragment 121 and second shell fragment 123; What be positioned at central authorities is friction shim 122, and the front end of friction shim 122 touches mutually with transferring roller 24, when conveying roller 24 rotates, can utilize the friction force of conveying roller 24, and suction is opened in the paper feeding for the treatment of that conveying roller 24 touches, and is sent to the next position and uses.First shell fragment 121 and second shell fragment 123 all have the pair of parallel both arms, ride in the both sides of friction shim 122, and second shell fragment 123 more rides in the both sides, the outside of first shell fragment 121.First shell fragment 121 has a tail end 127, the second shell fragments 123 and has a tail end 125, and the friction shim 122 that is positioned at central authorities has a tail end 126.Three tail ends are with 125,126, and 127 mode is settled arrangement in the sandwich mode from top to bottom.The tail end 125 of second shell fragment 123 is higher than the tail end 126 of friction shim 122, makes that an other end of second shell fragment 123 is downward-sloping, causes this other end to move towards conveying roller 24 and near roller 24 ends.
The benefit of this arrangement be second shell fragment 123 in conjunction with central friction shim 122, can carry more paper jointly.When the number of paper more for a long time, second shell fragment 123 is because the gravity of paper presses down and is bent downwardly.When the paper number more after a little while, based on the characteristic that the elasticity of second shell fragment 123 makes progress, can assist these less paper, slide into a end smoothly near conveying roller 24, suck and use and be transmitted roller 24 effectively.Therefore, this design can increase the number of waiting for the paper that transmits.
Figure 37 is the birds-eye view of Figure 36;
Show among the figure that second shell fragment 123 and first shell fragment 121 have similar shape, have parallel overlapping bell zone.When the number of paper more after a little while, paper will be raised by second shell fragment 123, and slide into the end near conveying roller 24, suck and will use and make paper be transmitted roller 24 effectively.When the number of paper slightly for a long time, second shell fragment 123 is depressed, the lower end that comes the paper of back can touch the friction shim 122 that is positioned at central authorities, at this moment, be positioned at the friction that central friction shim 122 provides, can be so that coming the paper of back have excessive strength and push away forward, so can avoid coming the fwd paper because stressed and paper that produce more than is transmitted the shortcoming that roller 24 sucks simultaneously.
Figure 38 is the decomposition view of Figure 37;
Show among the figure that second shell fragment 123 and first shell fragment 121 have similar shape, have parallel overlapping bell zone.First shell fragment 121 and second shell fragment 123 have parallel both arms, can be with the integrated U type of material element, also can be that two independent length of a film bar material arranged parallel constitute.
In sum, compared with the prior art, the present invention has without manpower, easy to use, automatic in-position Etc. advantage.

Claims (33)

1. automatic in-position paper feeder, comprise paper feeding casket, groove, flexible friction shim, conveying roller, guide plate, it is characterized in that: wherein there is a groove (25) in the front end central authorities of paper feeding casket (20), flexible friction shim (22) embeds in the groove (25), flexible friction shim (22) and conveying roller (24) Elastic Contact, paper feeding casket (20) rear end and planar shaped are in an angle.
2. automatic in-position paper feeder as claimed in claim 1 is characterized in that: wherein shell fragment (28) is positioned at flexible friction shim (22) below.
3. automatic in-position paper feeder as claimed in claim 1 or 2 is characterized in that: wherein shell fragment (28) is both arms shell fragment (31).
4. automatic in-position paper feeder as claimed in claim 1 or 2 is characterized in that: wherein shell fragment (28) is the single armed shell fragment.
5. automatic in-position paper feeder as claimed in claim 1 or 2 is characterized in that: wherein shell fragment (28) has hook.
6. automatic in-position paper feeder as claimed in claim 1 is characterized in that: wherein flexible friction shim (22) is placed on the pad block (43).
7. automatic in-position paper feeder as claimed in claim 1 or 2 is characterized in that: wherein both arms shell fragment (31) is positioned on the shell fragment block (53).
8. automatic in-position paper feeder as claimed in claim 1 is characterized in that: be provided with spill push pedal (67) between wherein flexible friction shim (22) and the shell fragment (28).
9. automatic in-position paper feeder as claimed in claim 1 is characterized in that: wherein paper feeding casket (20) rear end (201) is that arcuation upwarps.
10. automatic in-position paper feeder as claimed in claim 1 is characterized in that: wherein to add (20) rear end (201) be that arcuation has a downwarp in paper feeding.
11. automatic in-position paper feeder as claimed in claim 1 is characterized in that: wherein paper feeding casket (20) front end is provided with bottom guide (75), and flexible friction shim (22) is positioned at the top of bottom guide (75).
12. as claim 1 or 11 described automatic in-position paper feeders, it is characterized in that: wherein flexible friction shim (22) below is provided with shell fragment (28).
13. as claim 1 or 11 described automatic in-position paper feeders, it is characterized in that: wherein said shell fragment (28) is meant both arms shell fragment (31).
14. as claim 1 or 11 described automatic in-position paper feeders, it is characterized in that: wherein said shell fragment (28) is meant the single armed shell fragment.
15. as claim 1 or 11 described automatic in-position paper feeders, it is characterized in that: wherein said shell fragment (28) has hook.
16. as claim 1 or 11 described automatic in-position paper feeders, it is characterized in that: wherein said flexible friction shim (22) is placed on the pad block (43).
17. as claim 1 or 11 described automatic in-position paper feeders, it is characterized in that: wherein both arms shell fragment (31) is positioned on the shell fragment block (53).
18., it is characterized in that: be provided with spill push pedal (67) between wherein said flexible friction shim (22) and the shell fragment (28) as claim 1 or 11 described automatic in-position paper feeders.
19. as claim 1 or 11 described automatic in-position paper feeders, it is characterized in that: wherein paper feeding casket (20) rear end (201) is that arcuation upwarps.
20. as claim 1 or 11 described automatic in-position paper feeders, it is characterized in that: wherein paper feeding casket (20) rear end (201) is that arcuation has a downwarp.
21. automatic in-position paper feeder as claimed in claim 1 is characterized in that: wherein first shell fragment (121) has parallel both arms, rides in the both sides of friction shim (122).
22. automatic in-position paper feeder as claimed in claim 1 is characterized in that: wherein second shell fragment (123) has parallel both arms, rides in the both sides of friction shim (122).
23. as claim 1 or 21 described automatic in-position paper feeders, it is characterized in that: wherein the parallel both arms of first shell fragment (121) are integrated U type structures.
24. as claim 1 or 21 described automatic in-position paper feeders, it is characterized in that: wherein the parallel both arms of first shell fragment (121) are that two length of a film strip structures constitute.
25. automatic in-position paper feeder as claimed in claim 1 is characterized in that: wherein first shell fragment (121) is arranged at the bottom of groove (25) and pops up.
26. as claim 1 or 25 described automatic in-position paper feeders, it is characterized in that: wherein second shell fragment (123) is arranged at the top of groove (25).
27. automatic in-position paper feeder as claimed in claim 1 is characterized in that: wherein first shell fragment (121) and second shell fragment (123) all have the pair of parallel both arms.
28. as claim 1 or 27 described automatic in-position paper feeders, it is characterized in that: wherein first shell fragment (121) is integrated U type structure.
29. as claim 1 or 27 described automatic in-position paper feeders, it is characterized in that: wherein first shell fragment (121) is two length of a film strip structures.
30. as claim 1 or 27 described automatic in-position paper feeders, it is characterized in that: wherein second shell fragment (123) is integrated U type structure.
31. as claim 1 or 27 described automatic in-position paper feeders, it is characterized in that: wherein second shell fragment (123) is two length of a film strip structures.
32. as claim 1 or 27 described automatic in-position paper feeders, it is characterized in that: wherein first shell fragment (121) is the both sides that ride in friction shim (122).
33. as claim 1 or 27 described automatic in-position paper feeders, it is characterized in that: wherein second shell fragment (123) is the both sides that ride in friction shim (122).
CN99124154A 1999-05-07 1999-11-30 Automatic in-position paper feeder Expired - Lifetime CN1131835C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN99124154A CN1131835C (en) 1999-05-07 1999-11-30 Automatic in-position paper feeder

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN99113688.8 1999-05-07
CN99113688 1999-05-07
CN99124154A CN1131835C (en) 1999-05-07 1999-11-30 Automatic in-position paper feeder

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CN1131835C true CN1131835C (en) 2003-12-24

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CN102126626B (en) * 2010-01-15 2013-02-20 致伸科技股份有限公司 Automatic paper feeding device
JP6056258B2 (en) 2012-08-17 2017-01-11 株式会社リコー Sheet material conveying apparatus, image forming apparatus, and image reading apparatus
JP6264032B2 (en) * 2013-12-27 2018-01-24 ブラザー工業株式会社 Sheet separation device

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Assignee: Avision Precision Industry (Suzhou) Co., Ltd.

Assignor: Hongguang Precision Industry Co., Ltd.

Contract fulfillment period: The duration of the contract is from 2007.06.15 to 2013.06.14

Contract record no.: Contract filing No. 2007990000017

Denomination of invention: Automatic paper feeding device with invented name

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Free format text: EXCLUSIVE LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2007.6.15 TO 2013.6.14

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