CN217849507U - Device for collecting and checking important certificate images - Google Patents

Abstract

The utility model discloses a be used for important voucher image acquisition and check device, include: the storage box is placed on the rack; the scanning platform is movably arranged on the rack through a moving mechanism; the push-pull mechanism comprises a push-pull plate movably arranged on the scanning platform and a push-pull piece arranged on the push-pull plate and used for pushing and pulling the storage box; the clamping page brushing mechanism comprises a clamping push plate movably arranged at the inlet end of the scanning platform and a page feeding wheel assembly which clamps the voucher with the clamping push plate; fortune certificate scanning mechanism, fortune certificate scanning mechanism removes to set up scanning platform is last, fortune certificate scanning mechanism includes a plurality of gyro wheels and scanning device, the gyro wheel constitutes fortune certificate passageway. The document establishment information is automatically checked by the aid of the scheme, an automatic checking function is achieved, manual operation is reduced, risks and error rate are reduced, labor cost is reduced, and searching efficiency is improved.

Description

Device for collecting and checking important certificate images

Technical Field

The utility model belongs to the technical field of the document identification keeps technique and specifically relates to a be used for important document image acquisition and device of checing.

Background

The current seal card management system in the market has large volume and overlong batch operation time, and cannot really realize real object data acquisition. The RFID identification mode is mainly adopted, the RFID electronic tag is pasted on the seal card, and the RFID electronic tag information is read and associated with the seal card. But the imaging collection matching is not carried out, so that the greater risk hidden danger still exists. For example, the branch office needs to check the delivery, use, storage, etc. of the seal card of the branch office every month, and whether the real number of the seal card matches the number counted in the bill seal anti-counterfeiting system. The main branch administrative department needs to check the blank seal card and the used seal card kept by the main branch and the branch in each quarter to check whether the accounts are consistent. The existing operation mode basically adopts manual operation, so that the risk and error are high, and the service efficiency is low.

For example, chinese patent publication No. CN111652562A, published as "signature cartridge checking device suitable for batch loading on 09/11/2020/11", includes an openable or closable automatic door, a drawer box capable of being pushed out and pulled in the automatic door, the drawer box being capable of holding a signature card attached with an RFID electronic tag, the automatic door being provided with an RFID radio frequency antenna, the RFID radio frequency antenna being in wireless communication with the RFID electronic tag in the drawer box, and an RFID reader/writer in communication connection with the RFID radio frequency antenna.

The existing patents have the following disadvantages: (1) The existing equipment adopts an RFID electronic tag to read the association, cannot collect the related information content on the certificate, and has huge potential safety hazards such as replacement and loss of the certificate; (2) In the prior art, the specific content monitoring on the voucher is manually monitored and checked one by one, the manual operation cost is extremely high, information is easy to leak, and management is difficult.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art voucher and adopting batch storage, voucher information management to take the manual mode of scanning one by one easily to cause voucher information acquisition not in place, the problem that manual management cost is high, provide a high-efficient collection image in kind, automatic information of checking, automatic inspection and a large amount of vouchers of management, reduce being used for of manual work cost important voucher image acquisition and check device

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an image capture and inventory device for important documents, comprising:

the storage box is placed on the rack;

the scanning platform is movably arranged on the rack through a moving mechanism, and the moving mechanism controls the scanning platform to lift and horizontally move;

the push-pull mechanism comprises a push-pull plate movably arranged on the scanning platform and a push-pull piece arranged on the push-pull plate and used for pushing and pulling the storage box;

the clamping page brushing mechanism comprises a clamping push plate movably arranged at the inlet end of the scanning platform and a page feeding wheel assembly which clamps the voucher with the clamping push plate;

fortune certificate scanning mechanism, fortune certificate scanning mechanism removes to set up scanning platform is last, fortune certificate scanning mechanism includes a plurality of gyro wheels and scanning device, the gyro wheel constitutes fortune certificate passageway.

The utility model discloses a theory of operation is: the certificates are vertically and regularly placed in the storage boxes, the outer ends of the certificates extend out of the openings of the storage boxes, the storage boxes are regularly arranged on the rack, and the scanning platform is accurately positioned at the front end of any storage box under the driving of the moving mechanism. The last push-and-pull board of scanning platform stretches out, push and pull the piece and draw the storage box to scanning platform, and the voucher outer end that stretches out the storage box this moment is located on scanning platform, presss from both sides tight push pedal and advances the page wheel subassembly and press from both sides the voucher tightly, advance the page wheel and rotate and will move to the scanning mechanism that operates with the voucher that advances the page wheel laminating, the voucher gets into in the fortune certificate passageway, when detecting the voucher in place in the fortune certificate passageway, scanning device scans information on the voucher shoots high definition object image, checks through control system is automatic and establishes the shelves. After the voucher gets into the voucher passageway of fortune, fortune voucher scanning subassembly is towards keeping away from into page wheel subassembly lateral shifting, the gyro wheel rotates and removes the voucher and transport voucher scanning mechanism, inserts the voucher in the storage box, and the voucher scans the completion back one by one in the storage box, and the push-and-pull board pushes the storage box back in the frame completely, and the voucher is in proper order out the voucher in the storage box, scans, goes into the voucher, end to end, accomplishes a round of scanning back, the arrangement order of voucher is unchangeable. The utility model is mainly used for collecting the document image with high efficiency, automatically checking the filing information and reducing the error rate of manual comparison; the important voucher adopts a transparent material to protect the surface, and does not influence image acquisition, so that the voucher is not damaged in the operation process; the certificates in the storage boxes are automatically arranged, so that the counting for many times can be automatically realized, and unmanned intervention is realized.

Preferably, racks are arranged at two ends of the push-pull plate, a driving wheel matched with the racks is arranged on the inner side wall of the scanning platform, and the racks extend into the scanning platform to horizontally move the push-pull plate; the push-pull piece adopts an electromagnet; the storage box opening is towards scanning platform, the opening lower extreme edge of storage box is equipped with the arm-tie, the arm-tie with the electro-magnet is just to distributing.

Preferably, the page feeding wheel assembly comprises a wheel frame rotatably arranged on the scanning platform, a page feeding wheel arranged on the wheel frame, a tension spring connecting the wheel frame and the scanning platform, and a driving motor arranged above the wheel frame, wherein the driving motor drives the page feeding wheel to rotate through gear transmission. When the clamping push plate presses the voucher on the page feeding wheel, the page feeding wheel overcomes the resistance of the tension spring to rotate outwards, and the page feeding wheel rotates to trigger the corresponding sensor to control the driving motor to drive the page feeding wheel to rotate.

Preferably, the clamping page brushing mechanism further comprises a deflector rod sensor arranged on the wheel carrier, a page brushing baffle arranged at the inlet end of the scanning platform, and a correlation sensor and a reflection sensor which are distributed opposite to the page feeding wheel assembly. When the clamping push plate presses the certificates which are not scanned and detected onto the page feeding wheel, the shifting rod is pressed and folded, and the corresponding sensors feel that the certificates are pressed. The page brushing baffle plate ensures that the single voucher enters the voucher transportation channel. The correlation sensor senses whether a certificate exists at the entrance end of the scanning platform or not, and the reflection sensor senses the certificate certification process.

Preferably, the clamping push plate is movably arranged at the inlet end of the scanning platform through a screw rod transmission mechanism, a screw rod detection sheet is arranged at the lower end of the clamping push plate, and a first groove-shaped sensor located at the initial position of the screw rod detection sheet is arranged in the scanning platform. The first channel sensor is located below an initial position of the clamping push plate.

Preferably, the evidence conveying and scanning mechanism comprises a limiting plate, the roller is located above the limiting plate, the limiting plate forms an evidence conveying channel, and the scanning device is located above the limiting plate.

Preferably, the terminal of the certificate transportation channel is provided with a certificate pressing component, the certificate pressing component comprises a guide rod arranged on the scanning platform, a baffle arranged on the scanning platform, a first pressing plate rotatably arranged on the guide rod, and a second pressing plate rotatably connected with the first pressing plate, the baffle is connected with the second pressing plate through an elastic piece, the first pressing plate and the second pressing plate are rotatably connected through a hinge, and the first pressing plate, the second pressing plate and the limiting plate form the certificate transportation channel. When the document passes through, the first pressing plate and the second pressing plate press the document under the action of the elastic piece.

Preferably, a transverse moving shaft and a second groove-shaped sensor are arranged in the scanning platform; the evidence transportation scanning mechanism further comprises a transverse moving panel, a transverse moving support arranged below the transverse moving panel and a transverse moving detection sheet matched with the second groove-shaped sensor, the transverse moving support is sleeved on the transverse moving shaft, and the transverse moving panel moves above the transverse moving shaft through a stepping motor and a synchronous belt; the transverse moving detection piece is arranged on the side wall of the transverse moving bracket. The second slot sensor and the transverse moving detection sheet are used for determining the position of the scanning platform.

As preferred, the last one end towards the storage box of scanning platform is equipped with and pushes away evidence mechanism, push away evidence mechanism including set up on scanning platform push away the evidence support, along evidence business turn over direction removal push away the evidence rack, with push away the evidence rack and pass through the ejector pad that torsion spring connects, with rack toothing and through driving motor driven gear, set up and push away the evidence detection piece, be located pushing away on the evidence rack work position sensing and the initial position sensor in the evidence support, it is equipped with the guide block on the support lateral wall to push away evidence, it follows to push away the evidence rack the guide block removes. When the evidence pushing detection piece is positioned at the initial position sensor, the pushing block overcomes the resistance of the torsion spring and extends into the guide block; when pushing away the card and detecting the piece and be located the work position sensor, the ejector pad subassembly stretches out towards storage box direction, with push away card rack vertical distribution under the effect of torsional spring, pushes away the card rack and removes towards the storage box, the ejector pad pushes away the storage box with the voucher that proves for the voucher proves targets in place.

Preferably, a third pressing plate and a fourth pressing plate which is rotatably connected with the third pressing plate through a hinge are vertically arranged in the storage box, the third pressing plate is rotatably connected to the edge of the opening of the storage box, and the fourth pressing plate is connected with the inner side wall of the storage box through an elastic element. The device is used for compressing the voucher in the storage box, so that the voucher is kept in a vertical arrangement, and the voucher can be conveniently scanned in and out.

Therefore, the utility model discloses following beneficial effect has: (1) The important voucher adopts a transparent material to protect the surface, and does not influence image acquisition, so that the voucher is not damaged in the operation process; (2) The document checking system has the advantages that the document image of the document is efficiently collected, the filing information is automatically checked, the automatic checking function is realized, manual operation is reduced, the risk and the error rate are reduced, the labor cost is reduced, and the searching efficiency is improved; (3) And taking the voucher in any storage box, sending the voucher back to the same storage box after scanning, and keeping the original voucher sequence after the counting is finished.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of a structure at a in fig. 1.

Fig. 3 is a schematic view of the present invention with the frame removed.

Fig. 4 is a schematic structural view of the push-pull member on the operating platform according to the present invention.

Fig. 5 is another schematic structural diagram of the push-pull mechanism on the operating platform according to the present invention.

Fig. 6 is a schematic structural diagram of the clamping and page-brushing mechanism on the middle operation platform of the present invention.

Fig. 7 is another schematic structural diagram of the clamping and page-brushing mechanism on the middle operating platform of the present invention.

Fig. 8 is a schematic structural view of the transit certificate scanning mechanism of the present invention.

Fig. 9 is a schematic view of a structure of the traverse panel on the middle scanning platform of the present invention.

Fig. 10 is a schematic structural diagram of the center push certificate assembly of the present invention.

Fig. 11 is another schematic structural diagram of the center push certificate assembly of the present invention.

Fig. 12 is a schematic view of a structure of fig. 11 excluding a driving motor.

Fig. 13 is a schematic diagram of the storage case and document of the present invention.

Fig. 14 is another schematic view of the storage case and document of the present invention.

As shown in the figure: the device comprises a rack 1, a storage box 2, a push-pull plate 3, a push-pull piece 4, a clamping push plate 5, a roller 6, a scanning device 7, a rack 8, a pull plate 9, a wheel carrier 10, a page feeding wheel 11, a tension spring 12, a shift lever sensor 13, a page brushing baffle 14, an opposite sensor 15, a reflection sensor 16, a screw rod detection sheet 17, a first groove-shaped sensor 18, a limiting plate 19, a guide rod 20, a baffle 21, a first pressing plate 22, a second pressing plate 23, a transverse moving shaft 24, a second groove-shaped sensor 25, a transverse moving panel 26, a transverse moving bracket 27, a transverse moving detection sheet 28, a evidence pushing bracket 29, an evidence pushing rack 30, a pushing block 31, a gear 32, an evidence pushing detection sheet 33, a working position sensor 34, an initial position sensor 35, a guide block 36, a third pressing plate 37, a fourth pressing plate 38, a vertical guide rail 39, a lifting platform 40, a evidence 41 and a scanning platform 42.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the present invention will be further described with reference to the accompanying drawings and specific embodiments.

In the embodiment shown in fig. 1 to 14, an apparatus for important certificate image capturing and checking includes: the device comprises a rack 1, wherein a storage box 2 is placed on the rack 1; the scanning platform is movably arranged on the rack 1 through a moving mechanism, and the moving mechanism controls the scanning platform 42 to lift and horizontally move;

the push-pull mechanism comprises a push-pull plate 3 movably arranged on the scanning platform and a push-pull piece 4 arranged on the push-pull plate 3 and used for pushing and pulling the storage box 2; the clamping page brushing mechanism comprises a clamping push plate 5 movably arranged at the inlet end of the scanning platform and a page feeding wheel 11 assembly which clamps the voucher 41 with the clamping push plate 5; fortune card scanning mechanism, fortune card scanning mechanism remove to set up on scanning platform, and fortune card scanning mechanism includes a plurality of gyro wheels 6 and scanning device 7, and gyro wheel 6 constitutes fortune card passageway.

The utility model discloses a theory of operation is: the certificates 41 are vertically and regularly placed in the storage box 2, the outer ends of the certificates 41 extend out of the opening of the storage box 2, the storage boxes 2 are regularly arranged on the rack 1, and the scanning platform is accurately positioned at the front end of any storage box 2 under the driving of the moving mechanism. The push-and-pull board 3 on the scanning platform stretches out, the push-and-pull piece 4 pulls the storage box 2 to the scanning platform, the outer end of the voucher 41 stretching out of the storage box 2 is located on the scanning platform, the clamping push board 5 and the page-entering wheel 11 component clamp the voucher 41 tightly, the page-entering wheel 11 rotates to move the voucher 41 attached to the page-entering wheel 11 to the operation scanning mechanism, the voucher 41 enters the certificate transportation channel, when the voucher 41 is detected in place in the certificate transportation channel, the scanning device 7 scans the information on the voucher 41 to shoot a real object image, and the document is automatically checked and built through the control system. After the voucher 41 enters the voucher conveying channel, the voucher conveying scanning assembly transversely moves towards the direction far away from the assembly of the page feeding wheel 11, the roller 6 rotates to move the voucher 41 out of the voucher conveying scanning mechanism, the voucher 41 is inserted into the storage box 2, finally, the storage box 2 is completely pushed back into the rack 1 by the push-pull plate 3, the voucher 41 in the storage box 2 sequentially performs voucher discharging, scanning and voucher entering, the voucher discharging, the scanning and the voucher entering are connected end to end, and after one round of scanning is completed, the arrangement sequence of the voucher 41 is unchanged.

The device for acquiring and checking the important voucher image regularly scans the voucher 41 in the storage box 2 through the scanning platform, is mainly used for efficiently acquiring a real object image of the voucher 41, automatically checks filing information and reduces the error rate of manual comparison; the important voucher 41 adopts a transparent material to protect the surface, and the image acquisition is not influenced, so that the voucher 41 is not damaged in the operation process; the voucher 41 in the storage box 2 is automatically arranged, so that repeated counting can be automatically realized, and unmanned intervention is realized. The problem that the existing equipment adopts the RFID electronic tag to read the association, cannot collect the related information content on the certificate, and has huge potential safety hazards such as replacement and loss of the certificate is solved; and the specific content monitoring on the voucher in the prior art adopts manual work to monitor and investigate one by one, so that the manual operation cost is extremely high, information is easy to leak, and the voucher is not easy to manage.

As shown in fig. 4 and 5, two ends of the push-pull plate 3 are provided with racks 8, the inner side wall of the scanning platform is provided with driving wheels matched with the racks 8, and the racks 8 extend into the scanning platform to horizontally move the push-pull plate 3; the push-pull piece 4 adopts an electromagnet; 2 openings of storage box are equipped with arm-tie 9 towards scanning platform, storage box 2's opening lower extreme edge, and arm-tie 9 is just to distributing with the electro-magnet. And a rack initial position sensor and a rack in-place sensor are arranged on the inner side of the scanning platform.

As shown in fig. 6 and 7, the page feeding wheel 11 assembly includes a wheel frame 10 rotatably disposed on the scanning platform, a page feeding wheel 11 disposed on the wheel frame 10, a tension spring 12 connecting the wheel frame 10 and the scanning platform, and a driving motor disposed above the wheel frame 10, wherein the driving motor drives the page feeding wheel 11 to rotate through transmission of a gear 32. When the clamping push plate 5 presses the voucher 41 on the page feeding wheel 11, the page feeding wheel 11 overcomes the resistance of the tension spring 12 to rotate outwards, and the page feeding wheel 11 rotates to trigger a corresponding sensor to control the driving motor to drive the page feeding wheel 11 to rotate. The clamping page brushing mechanism further comprises a deflector rod sensor 13 arranged on the wheel carrier 10, a page brushing baffle 21 arranged at the inlet end of the scanning platform, a correlation sensor 15 and a reflection sensor 16 which are distributed opposite to the page feeding wheel 11 component. When the clamping push plate 5 presses the document 41 on the page-entering wheel 11, the shift lever is pressed and folded, and the corresponding sensor senses that the document 41 is pressed. The flipper 14 ensures that the documents 41 enter the courier passage individually. The correlation sensor 15 senses the presence of a credential 41 at the entrance end of the scanning platform and the reflection sensor 16 senses the credential 41 verification process. The clamping push plate 5 is movably arranged at the inlet end of the scanning platform through a screw rod transmission mechanism, a screw rod detection sheet 17 is arranged at the lower end of the clamping push plate 5, and a first groove-shaped sensor 18 located at the initial position of the screw rod detection sheet 17 is arranged in the scanning platform. The first channel sensor 18 is located below the initial position of the clamping pusher 5.

As shown in fig. 8 and 9, the evidence transportation scanning mechanism comprises a limiting plate 19, the roller 6 is positioned above the limiting plate 19, the limiting plate 19 forms an evidence transportation channel, and the scanning device 7 is positioned above the limiting plate 19. Fortune card passageway's end is equipped with and presses the card subassembly, press the card subassembly including setting up guide arm 20 on scanning platform, the baffle 21 of setting on scanning platform, rotate the first clamp plate 22 of setting on guide arm 20, rotate the second clamp plate 23 of being connected with first clamp plate 22, baffle 21 passes through the elastic component with second clamp plate 23 and is connected, first clamp plate 22 and second clamp plate 23 pass through the hinge rotation and are connected, first clamp plate 22, second clamp plate 23 constitutes fortune card passageway with limiting plate 19. When the document 41 passes, the first pressing plate 22 and the second pressing plate 23 press the document 41 under the action of the elastic members. A transverse shaft 24 and a second groove-shaped sensor 25 are arranged in the scanning platform; the evidence transportation scanning mechanism further comprises a transverse moving panel 26, a transverse moving support 27 arranged below the transverse moving panel 26 and a transverse moving detection sheet 28 matched with the second groove-shaped sensor 25, wherein the transverse moving support 27 is sleeved on the transverse moving shaft 24, and the transverse moving panel 26 moves above the transverse moving shaft 24 through a stepping motor and a synchronous belt; the traverse detecting piece 28 is provided on a side wall of the traverse bracket 27. The second slot sensor 25 and the traverse detection tab 28 are used to determine the position of the scanning platform.

As shown in fig. 10, 11, 12, the scanning platform is provided with a certificate pushing mechanism towards one end of the storage box 2, the certificate pushing mechanism comprises a certificate pushing support 29 arranged on the scanning platform, a certificate pushing rack 30 moving in the in-out direction of the certificate 41, a push block 31 connected with the certificate pushing rack 30 through a torsion spring, a gear 32 engaged with the rack 8 and driven by a driving motor, a certificate pushing detection sheet 33 arranged on the certificate pushing rack 30, a working position sensor and an initial position sensor 35 positioned in the certificate pushing support 29, a guide block 36 is arranged on the outer side wall of the certificate pushing support 29, and the certificate pushing rack 30 moves along the guide block 36. When the evidence pushing detection piece 33 is positioned at the initial position sensor 35, the pushing block 31 overcomes the resistance of the torsion spring and extends into the guide block 36; when pushing away evidence and detecting piece 33 and being located the station sensor 34, the ejector pad 31 subassembly stretches out towards storage box 2 direction, with push away the perpendicular distribution of evidence rack 30 under the effect of torsional spring, pushes away evidence rack 30 and removes towards storage box 2, and ejector pad 31 pushes out the voucher 41 of proving into storage box 2 for voucher 41 is demonstrateed and is put in place. The third pressing plate 37 and the fourth pressing plate 38 which is rotatably connected with the third pressing plate 37 through hinges are vertically arranged in the storage box 2, the third pressing plate 37 is rotatably connected to the edge of an opening of the storage box 2, and the fourth pressing plate 38 and the inner side wall of the storage box 2 are connected through elastic pieces. For compressing the document 41 in the storage box 2 so that the document 41 remains in a vertical arrangement, facilitating scanning of the document 41 in and out.

As shown in fig. 1, the moving mechanism includes a vertical guide rail 39 disposed on the frame 1, a lifting platform 40 sliding on the vertical guide rail 39, a lifting actuator driving the lifting platform 40 to move, and a translation actuator driving the scanning platform to slide on the lifting platform 40.

The above embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited thereto. All equivalent changes made according to the shape and structure of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An image acquisition and inventory device for important vouchers, comprising:

a frame (1) on which a storage box (2) is placed;

the scanning platform is movably arranged on the rack through a moving mechanism, and the moving mechanism controls the scanning platform to lift and horizontally move;

the push-pull mechanism comprises a push-pull plate (3) movably arranged on the scanning platform and a push-pull piece (4) arranged on the push-pull plate and used for pushing and pulling the storage box;

the clamping page brushing mechanism comprises a clamping push plate (5) movably arranged at the inlet end of the scanning platform and a page feeding wheel assembly which clamps the voucher with the clamping push plate;

fortune certificate scanning mechanism, fortune certificate scanning mechanism removes to set up scanning platform is last, fortune certificate scanning mechanism includes a plurality of gyro wheels (6) and scanning device (7), the gyro wheel constitutes fortune certificate passageway.

2. The device for image collection and inventory of important documents according to claim 1, wherein the push-pull plate is provided with racks (8) at both ends thereof, the scanning platform is provided with driving wheels on the inner side wall thereof for cooperating with the racks, and the racks extend into the scanning platform to horizontally move the push-pull plate; the push-pull piece adopts an electromagnet; the storage box opening is towards scanning platform, the opening lower extreme edge of storage box is equipped with arm-tie (9), the arm-tie with the electro-magnet is just to distributing.

3. The image collecting and counting device for important documents according to claim 2, wherein the said page feeding wheel assembly comprises a wheel frame (10) rotatably disposed on the scanning platform, a page feeding wheel (11) disposed on the wheel frame, a tension spring (12) connecting the wheel frame and the scanning platform, and a driving motor disposed above the wheel frame, wherein the driving motor drives the page feeding wheel to rotate through gear transmission.

4. The device for image collection and inventory of important documents according to claim 2 or 3, wherein the clamping page brushing mechanism further comprises a poking rod sensor (13) arranged on the wheel carrier, a page brushing baffle plate (14) arranged at the inlet end of the scanning platform, a correlation sensor (15) and a reflection sensor (16) which are opposite to the page feeding wheel assembly.

5. The image collecting and counting device for important documents according to claim 4, wherein the clamping push plate is movably arranged at the entrance end of the scanning platform through a screw transmission mechanism, the lower end of the clamping push plate is provided with a screw detection sheet (17), and the scanning platform is internally provided with a first groove-shaped sensor (18) positioned at the initial position of the screw detection sheet.

6. The device according to claim 1, wherein said certificate transport scanning mechanism comprises a limiting plate (19), said rollers are located above said limiting plate, said limiting plate forms a certificate transport passageway, and said scanning device is located above said limiting plate.

7. The important certificate image acquisition and checking device according to claim 6, wherein a certificate pressing assembly is arranged at the tail end of the certificate transportation channel, the certificate pressing assembly comprises a guide rod (20) arranged on the scanning platform, a baffle (21) arranged on the scanning platform, a first pressing plate (22) rotatably arranged on the guide rod, and a second pressing plate (23) rotatably connected with the first pressing plate, the baffle is connected with the second pressing plate through an elastic piece, the first pressing plate and the second pressing plate are rotatably connected through hinges, and the first pressing plate, the second pressing plate and the limiting plate form the certificate transportation channel.

8. The device for the image acquisition and the checking of important documents according to claim 1, 2, 3, 6 or 7, characterized in that a traversing shaft (24) and a second slot sensor (25) are arranged in the scanning platform; the evidence transportation scanning mechanism further comprises a transverse moving panel (26), a transverse moving support (27) arranged below the transverse moving panel and a transverse moving detection sheet (28) matched with the second groove-shaped sensor, the transverse moving support is sleeved on the transverse moving shaft, and the transverse moving panel moves above the transverse moving shaft through a stepping motor and a synchronous belt; the transverse moving detection piece is arranged on the side wall of the transverse moving bracket.

9. The device for important certificate image acquisition and inventory as claimed in claim 8, wherein the scanning platform is provided with a certificate pushing mechanism towards one end of the storage box, the certificate pushing mechanism comprises a certificate pushing support (29) arranged on the scanning platform, a certificate pushing rack (30) moving along the certificate entering and exiting direction, a pushing block (31) connected with the certificate pushing rack through a torsion spring, a gear (32) engaged with the rack and driven by a driving motor, a certificate pushing detection sheet (33) arranged on the certificate pushing rack, a working position sensor (34) and an initial position sensor (35) positioned in the certificate pushing support, a guide block (36) is arranged on the outer side wall of the certificate pushing support, and the certificate pushing rack moves along the guide block.

10. The device for image collection and counting of important documents according to claim 2, wherein a third pressing plate (37) and a fourth pressing plate (38) are vertically arranged in the storage box and rotatably connected with the third pressing plate through a hinge, the third pressing plate is rotatably connected with the opening edge of the storage box, and the fourth pressing plate is connected with the inner side wall of the storage box through an elastic member.

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