CN202807939U - Automatic paper feed device with paper feed auxiliary device - Google Patents
Automatic paper feed device with paper feed auxiliary device Download PDFInfo
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- CN202807939U CN202807939U CN 201220340510 CN201220340510U CN202807939U CN 202807939 U CN202807939 U CN 202807939U CN 201220340510 CN201220340510 CN 201220340510 CN 201220340510 U CN201220340510 U CN 201220340510U CN 202807939 U CN202807939 U CN 202807939U
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- paper
- suppressor
- clutch gear
- feeding device
- gear
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Abstract
An automatic paper feed device with a paper feed auxiliary device comprises a body, a paper feed channel, a paper separation mechanism and the paper feed auxiliary device. The paper separation mechanism is used for separating paper and feeding the paper into the paper feed channel one by one. The paper feed auxiliary device comprises a support, a presser, a clutch gear and a driving device. The clutch gear driven by the driving device is mounted on a guide groove of the support and can move between a first position and a second position along the guide groove. When the clutch gear is driven to rotate reversely, the clutch gear is meshed with a driven rack of the presser at the first position and drives the presser to move along a first direction. When the clutch gear is driven to rotate forwards, the clutch gear moves to the second position and is separated from the driven rack, the presser moves along a second direction, and the paper is clamped in front of a clamping point of the paper separation mechanism.
Description
Technical field
The utility model relates to a kind of automatic paper feeding device with paper feed auxiliary device, and particularly relevant for a kind of paper feed auxiliary device that is driven by propulsion source and utilize this paper feed auxiliary device to suppress the automatic paper feeding device of pending paper.
Background technology
In traditional paper feeding scanner, if putting the file paper place without the words that special device is set assist clamping paper or the drift of restriction paper (especially for used paulin pine, frivolous paper), be easy to just have the crooked phenomenon generation of paper feed.Therefore, some traditional professional scanner or transaction machine have special-purpose paper and stablize auxiliary device or suppressor.
For example, so-called gravity type boat davit suppressor is to utilize the weight of suppressor self to suppress paper.When the weight of suppressor was too heavy, downtrodden thin paper Zhang Buyi entered seizing on both sides by the arms a little of separation place.But when the weight of suppressor is too light, then can't effectively suppresses paulin pine or frivolous paper, and can't prevent crooked.
And another kind of suppressor with independent driving device, for example be exposed in the suppressor of Chinese patent CN101254864B, to utilize independently that motor drives suppressor, can freely be set by the designer elastic force of required compacting, lift suppressor by motor again so that the user puts paper to the location.Yet the principle of above-mentioned suppressor is to utilize lower assembly to drive the small rod rotation, and then stirs big connecting rod and come jack-up and block connecting rod.Upper connecting rod is to be fixed in to rotate on the suppressor and the jack-up spacer.Such design is complicated, because top is provided with the parts such as stage clip, torsion spring and rotation connecting rod, and the bottom is provided with the parts such as big connecting rod, small rod and extension spring, and upper connecting rod doubles as the block metope, easily normal deformation in compression and have influence on normal function.In addition, the switching of the rotating of motor also needs a period of time just can finish whole actions, does not meet the rapid-action demand.
Therefore, the utility model provides a kind of principle of utilizing the gear engagement or breaking away to control the automatic paper feeding device of suppressor, as solution of the above problems.
The utility model content
A purpose of the present utility model provides the automatic paper feeding device that a kind of principle of utilizing the gear engagement and breaking away from is controlled suppressor.
For reaching above-mentioned purpose, the utility model provides a kind of automatic paper feeding device, comprises body and is arranged at paper-feeding channel, paper distributing mechanism and paper feed auxiliary device in the body.Paper distributing mechanism is positioned at the entrance of paper-feeding channel, be used for separately paper and one by one paper feeding enter paper-feeding channel.The paper feed auxiliary device comprises support, suppressor, clutch gear and actuating device.Suppressor is installed on the support, and paper is suppressed in the place ahead of seizing on both sides by the arms a little that is used in paper distributing mechanism.Suppressor has passive tooth bar.Clutch gear is installed on the guide groove of support, and can move along guide groove in primary importance and between the second place.Actuating device optionally drives clutch gear towards positive dirction and opposite spin.When clutch gear was rotated by driving in the opposite direction, clutch gear was in primary importance and the engagement of passive tooth bar, and the driving suppressor moves towards first direction.When clutch gear was rotated towards positive dirction by driving, clutch gear moved to the second place, and breaks away from passive tooth bar.Suppressor moves towards second direction after disengaging, to suppress this paper.
The utility model drives the start of suppressor with motor and gear-tooth bar transmission component.When suppressor will be suppressed the rise of paper place certainly, be to utilize the contrarotation of clutch gear to drive suppressor.When suppressor will be fallen platen, be utilize clutch gear be rotated in the forward make clutch gear move to the position that breaks away from passive tooth bar along guide groove, and the strength of utilizing spring is assisted and is depressed suppressor, makes suppressor can positively carry out the function of compacting paper.The advantage of present embodiment is reached the gear engagement for the rotating direction that can utilize clutch gear or is broken away from the effect of tooth bar.Since the engagement between the clutch tooth wheel and rack with break away from can according to clutch gear be rotated in the forward and the purpose of quick switching is reached in contrarotation, so have the fast advantage of speed of response.
For foregoing of the present utility model can be become apparent, a preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
Fig. 1 and Fig. 2 show the scheme drawing according to the two states of the automatic paper feeding device of the utility model preferred embodiment.
Fig. 3 and Fig. 4 show the block diagram according to the automatic paper feeding device of the utility model preferred embodiment.
Fig. 5 shows the block diagram of suppressor.
Fig. 6 shows another scheme drawing of the suppressor of Fig. 5.
Fig. 7 shows that the paper feed auxiliary device is at the scheme drawing of non-platen state.
Fig. 8 shows that the paper feed auxiliary device is at the scheme drawing of platen state.
The primary clustering nomenclature
Du: first direction
Dd: second direction
NP: seize on both sides by the arms a little
P1: primary importance
P2: the second place
S: paper
10: support
12: guide groove
20: clutch gear
30: suppressor
31: end
32: passive tooth bar
34: revolving wheel
36: projection
38: snap fit
40: spring
40A a: end
40B: the other end
50: actuating device
51: motor
52: gear train assembly
52A: motor gear
52B: gear
52C: gear
52D: driving gear
100: automatic paper feeding device
110: body
120: paper-feeding channel
121: entrance
130: paper distributing mechanism
131: comber
132: paper-feed
133,134,135,136: roller
140: the paper feed auxiliary device
160: the paper bearing platform
170: paper sensor
180: scan module
190: paper discharge tray
The specific embodiment
Fig. 1 and Fig. 2 show the scheme drawing according to the two states of the automatic paper feeding device 100 of the utility model preferred embodiment.Fig. 3 and Fig. 4 show the block diagram according to the automatic paper feeding device 100 of the utility model preferred embodiment.As shown in Figures 1 to 4, the automatic paper feeding device 100 of present embodiment comprises body 110, paper-feeding channel 120, paper distributing mechanism 130, paper feed auxiliary device 140, paper bearing platform 160, paper sensor 170, scan module 180 and paper discharge tray 190.
Paper-feeding channel 120 is arranged in body 110, and is communicated with paper bearing platform 160 and the paper discharge tray 190 of bearing paper, paper can be fed by paper-feeding channel 120 from paper bearing platform 160 arrive paper discharge tray 190.Paper sensor 170 contiguous these paper distributing mechanisms 130 arrange.Whether paper sensor 170 detectings have paper to be positioned on the paper bearing platform 160.In the present embodiment, paper sensor 170 is a kind of lever arm formula sensor (lever arm reed sensor).Paper distributing mechanism 130 is arranged at entrance 121 places of paper-feeding channel 120.Paper distributing mechanism 130 comprises comber 131 and paper-feed 132, both combineds action come separately paper and one by one paper feeding S enter in the paper-feeding channel 120.Seize a NP on both sides by the arms between comber 131 and the paper-feed 132.Paper-feed 132 paper feeding S are by seizing a NP on both sides by the arms, and with comber 131 to carrying out the separation operation by the paper of seizing a NP on both sides by the arms.Therefore, the quantity of paper S can reduce gradually, and the wherein two states that causes such as Fig. 1 are to shown in Figure 2.The paper S that enters paper-feeding channel 120 is transmitted by roller 133 and 134, and through the scan module 180 on the path that is arranged at paper feeding channel 120, allows scan module 180 scan the image of paper S.The quantity of scan module 180 is not subject to one or two especially.The paper S that was scanned is transmitted by roller 135 and 136 at last and arrives paper discharge tray 190.
Paper feed auxiliary device 140 is arranged in the body 110, and comprises support 10, suppressor 30, clutch gear 20 and actuating device 50.Suppressor 30 is installed on the support 10.Suppressor 30 is at the place ahead compacting paper S that seizes a NP on both sides by the arms of paper distributing mechanism 130.Suppressor 30 is compacting paper S above paper-feed 132, advances so that paper S is close to paper-feed 132, avoids the crooked phenomenon of paper feed to occur.
In Fig. 1, plurality of sheets of paper is opened S and is placed on the paper bearing platform 160, suppressor 30 these paper of compacting S.Enter paper-feeding channel 120 when these paper S is fed one by one, the paper S quantity on the paper bearing platform 160 also reduces gradually; According to the utility model, although under the state of remaining individual paper S only, suppressor 30 is still being suppressed individual paper S, guarantees that it is close to paper-feed 132, as shown in Figure 2.Hence one can see that, and suppressor 30 is still possessed suitable degree of freedom, with the variation in response to number of paper under the state that is in the compacting paper.
Fig. 5 shows the block diagram of suppressor 30.Fig. 6 is another scheme drawing of the suppressor 30 of Fig. 5, shows the passive tooth bar 32 on the suppressor 30.Such as Fig. 5 and shown in Figure 6, suppressor 30 has more two revolving wheels 34, two projections 36 and two snap fits 38 except having passive tooth bar 32.Each revolving wheel 34 is installed in the end 31 of suppressor 30.When suppressor 30 compacting paper S, revolving wheel 34 is close proximity on the paper S.Snap fit 38 is snapped on the support 10, and suppressor 30 can be moved up and down with respect to support 10 for convenient the installation.
Fig. 7 and Fig. 8 show that respectively the paper feed auxiliary device is at the scheme drawing of non-platen state and platen state.Such as Fig. 7 and shown in Figure 8, clutch gear 20 is installed on the guide groove 12 of support 10.Guide groove 12 is strip, and clutch gear 20 can be moved between primary importance P1 and second place P2 along guide groove 12.The passive tooth bar 32 of suppressor 30 and clutch gear 20 engagements or disengaging move up and down so that clutch gear 20 drives suppressors 30.In the present embodiment, shortest distance between primary importance P1 and the passive tooth bar 32 is less than the shortest distance between second place P2 and the passive tooth bar 32, guide groove 12 among Fig. 7 and Fig. 8 is presented extend to from the upper left side bottom-right heeling condition, to promote engagement or the disengaging of clutch gear 20 and passive tooth bar 32.
Actuating device 50 optionally drives clutch gear 20 towards positive dirction and opposite spin.As shown in Figure 7, when clutch gear 20 is subjected to drive in the opposite direction (anticlockwise direction) rotation, clutch gear 20 is in 32 engagements of primary importance P1 and passive tooth bar, and drives suppressor 30 and move towards first direction Du, namely moves up away from this paper-feed 132 and paper bearing platform 160.As shown in Figure 8, when clutch gear 20 was rotated towards positive dirction (cw) by driving, clutch gear 20 moved to second place P2, and breaks away from passive tooth bar 32.In the case, the suppressor 30 that breaks away from clutch gear 20 moves towards second direction Dd, namely fall towards paper-feed 132 and paper bearing platform 160, and at the place ahead of seizing a NP on both sides by the arms of paper distributing mechanism 130 (or upstream side) compacting paper S.In the present embodiment, although be to explain take second direction Dd as the opposite sense of first direction Du, the utility model is not subject to this.In other embodiments, if first direction Du and second direction Dd can make respectively suppressor 30 away from near paper S.For example, can be between 90 degree are spent with 180 along the unit vector of first direction Du and along the angle of the unit vector of second direction Dd.
In order to allow the user can successfully put paper, automatic paper feeding device 100 is when readiness for action, and suppressor 30 is to be positioned at tip position, namely away from paper-feed 132, as shown in Figure 7.When paper sensor 170 has when detecting paper S (namely when the lever arm of paper sensor 170 is subjected to the promotion of paper S, such as the transformation that shows among Fig. 7, Fig. 8), actuating device 50 drives clutch gear 20 and rotates towards positive dirction, therefore suppressor 30 breaks away from pining down of clutch gear 20 and moves towards second direction Dd, further stresses on the paper S.In the present embodiment, two revolving wheels 34 of suppressor 30 prop up paper S.
Paper S on being positioned over paper bearing platform 160 is fed when seizing a NP on both sides by the arms and enter paper-feeding channel 120, or when the user moves paper S away from paper bearing platform 160, paper sensor 170 does not just detect any paper, at this moment after triggering, actuating device 50 drives clutch gear 20 and rotates in the opposite direction, suppressor 30 is moved, away from paper-feed 132, so that the user can place lower a file on paper bearing platform 160 towards first direction Du.
In order to provide auxiliary downforce to suppressor 30, paper feed auxiliary device 140 more comprises one or more springs 40.One end 40A of spring 40 is fixed on the suppressor 30, other end 40B connection bracket 10.Spring 40 is exerted pressure to suppressor 30 towards second direction Dd after compression, with auxiliary suppressor 30 compacting paper S.In the present embodiment, projection 36 is used for fixing spring, spring 40 is socketed in is positioned on the projection 36 on suppressor 30 tops, and the two ends 40A of spring 40 and 40B withstands respectively suppressor 30 and support 10.When suppressor 30 is moved towards first direction Du by clutch gear 20 drivings, spring 40 compressed and stored energy, this energy is converted into the downforce of above-mentioned auxiliary compacting paper S.
Such as Fig. 7 and shown in Figure 8, actuating device 50 comprises motor 51 and gear train assembly 52.Motor 51 is installed on the support 10.Gear train assembly 52 is arranged at for example on the support 10 rotationally, and couples with motor 51 and clutch gear 20, with the transmission of power of motor 51 to clutch gear 20.Gear train assembly 52 is comprised of a plurality of gear 52A, 52B, 52C, 52D.Motor gear 52A is installed in the rotating shaft of motor 51.Gear 52B and motor gear 52A engagement and with the coaxial setting of gear 52C.Gear 52C and driving gear 52D engagement, driving gear 52D and clutch gear 20 engagements.Be rotated in the forward and the contrarotation of driving gear 52D drive clutch gear 20 and rotate with positive dirction in the opposite direction.Number that it should be noted that the gear that consists of gear train assembly 52 is not limited to 4 of present embodiment, and gear train assembly 52 also can only be made of single gear.
The utility model drives the suppressor start with motor and gear-tooth bar transmission component.When suppressor will be suppressed the rise of paper place certainly, be to utilize the contrarotation of clutch gear to drive suppressor.When suppressor will be fallen platen, be utilize clutch gear be rotated in the forward make clutch gear break away from the passive tooth bar of suppressor, and utilize the strength of spring to increase the weight of the strength that presses down of suppressor, make suppressor can positively carry out the function of compacting paper.The effect that advantage of the present utility model is rotated to reach the gear engagement or broken away from tooth bar for the both forward and reverse directions that can utilize clutch gear.Since the engagement between the clutch tooth wheel and rack with break away from can according to clutch gear be rotated in the forward and the purpose of quick switching is reached in contrarotation, so have the fast advantage of speed of response.
The specific embodiment that proposes in the detailed description of preferred embodiment only is used for convenient explanation technology contents of the present utility model, but not with the utility model narrow sense be limited to above-described embodiment, in the situation that does not exceed spirit of the present utility model and claim, the many variations of doing is implemented, and all belongs to scope of the present utility model.
Claims (11)
1. an automatic paper feeding device is characterized in that, comprises:
Body;
Paper-feeding channel is arranged in described body;
Paper distributing mechanism is arranged in the described body and is positioned at the entrance of described paper-feeding channel, be used for separately paper and one by one paper feeding enter described paper-feeding channel; And
The paper feed auxiliary device is arranged in the described body, and comprises:
Support;
Suppressor is installed on the described support, and paper is suppressed in the place ahead of seizing on both sides by the arms a little that is used in described paper distributing mechanism, and described suppressor has passive tooth bar;
Clutch gear is installed on the guide groove of described support, and described clutch gear can be mobile between primary importance and the second place along described guide groove; And
Actuating device is used for optionally driving described clutch gear towards positive dirction and opposite spin, wherein:
When described clutch gear was subjected to drive towards described opposite spin, described clutch gear was in described primary importance and described passive tooth bar engagement, and drove the past first direction of described suppressor and move; And
When described clutch gear was subjected to drive towards described positive dirction rotation, described clutch gear moved to the described second place, and breaks away from described passive tooth bar, and wherein said suppressor moves toward second direction after breaking away from, to suppress described paper.
2. automatic paper feeding device as claimed in claim 1 is characterized in that,
Described body comprises the paper bearing platform, is used for carrying described paper; And
Described automatic paper feeding device more comprises paper sensor, and whether detecting has paper to be positioned on the described paper bearing platform, wherein:
When described paper sensor detected described paper, described actuating device drove described clutch gear and rotates towards described positive dirction; And
When described paper sensor when detecting described paper, described actuating device drives described clutch gear towards described opposite spin.
3. automatic paper feeding device as claimed in claim 1 is characterized in that, the end installing revolving wheel of described suppressor, and when described suppressor was suppressed described paper, described revolving wheel was close proximity on the described paper.
4. automatic paper feeding device as claimed in claim 1 is characterized in that, described guide groove is strip.
5. automatic paper feeding device as claimed in claim 1 is characterized in that, described paper feed auxiliary device more comprises:
Spring, one end are fixed on the described suppressor, and the other end connects described support, and described spring is exerted pressure to described suppressor towards described second direction after compression, suppress described paper with auxiliary described suppressor.
6. automatic paper feeding device as claimed in claim 5 is characterized in that, described suppressor has projection, is used for fixing described spring.
7. automatic paper feeding device as claimed in claim 1 is characterized in that, described actuating device comprises:
Motor; And
Gear train assembly arranges rotationally, and couples with described motor and described clutch gear, with the transmission of power of described motor to described clutch gear.
8. automatic paper feeding device as claimed in claim 7, it is characterized in that, the driving gear of described gear train assembly and the engagement of described clutch gear, be rotated in the forward and the contrarotation of wherein said driving gear drives described clutch gear and rotates towards described reversing sense and described positive dirction.
9. automatic paper feeding device as claimed in claim 1, it is characterized in that described paper distributing mechanism comprises paper-feed, be used for presenting described paper and seize on both sides by the arms a little by described, described suppressor is at the described paper of described paper-feed compacting, advances so that described paper is close to described paper-feed.
10. automatic paper feeding device as claimed in claim 1 is characterized in that, further comprises:
Scan module is arranged on the path of described paper feeding channel, is used for the image of the described paper of scanning process.
11. automatic paper feeding device as claimed in claim 1, the shortest distance between wherein said primary importance and the described passive tooth bar is less than the shortest distance between the described second place and the described passive tooth bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220340510 CN202807939U (en) | 2012-07-13 | 2012-07-13 | Automatic paper feed device with paper feed auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220340510 CN202807939U (en) | 2012-07-13 | 2012-07-13 | Automatic paper feed device with paper feed auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202807939U true CN202807939U (en) | 2013-03-20 |
Family
ID=47866861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220340510 Expired - Lifetime CN202807939U (en) | 2012-07-13 | 2012-07-13 | Automatic paper feed device with paper feed auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202807939U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103538942A (en) * | 2012-07-13 | 2014-01-29 | 虹光精密工业（苏州）有限公司 | Automatic paper feedback device with paper feeding auxiliary device |
-
2012
- 2012-07-13 CN CN 201220340510 patent/CN202807939U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103538942A (en) * | 2012-07-13 | 2014-01-29 | 虹光精密工业（苏州）有限公司 | Automatic paper feedback device with paper feeding auxiliary device |
| CN103538942B (en) * | 2012-07-13 | 2016-03-02 | 虹光精密工业（苏州）有限公司 | There is the automatic paper feeding device of paper feed auxiliary device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130320 Effective date of abandoning: 20160302 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |