CN114542904A

CN114542904A - Detection device and method for accounting document

Info

Publication number: CN114542904A
Application number: CN202210143175.2A
Authority: CN
Inventors: 包哲
Original assignee: Individual
Current assignee: Guangzhou Xinjincheng Information Technology Co ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-05-27
Anticipated expiration: 2042-02-16
Also published as: CN114542904B

Abstract

The invention relates to the technical field of detection of accounting documents and discloses a device and a method for detecting accounting documents, wherein the device for detecting accounting documents comprises an installation base and a supporting sliding frame arranged on the installation base, the supporting sliding frame and the installation base are supported through a supporting screw rod, a moving sliding groove is formed in the upper end of the supporting sliding frame, a sliding seat is arranged at the upper end of the supporting sliding frame and used for being installed in the moving sliding groove, a fixed bottom shaft is arranged at the lower end of the sliding seat, a fixed screw pin is arranged at the upper end of the fixed bottom shaft and used for connecting the fixed bottom shaft with the sliding seat, and a fixed ball pin is arranged at the lower end of the fixed bottom shaft. According to the paper size detection device, the horizontal support frame and the vertical support frame are matched, so that the placing requirement can be provided for evaluating paper, the integral area of the support frame can be changed according to the size of the paper, the device has a detection support function suitable for various sizes of paper, and the paper installation range of the device is enlarged.

Description

Detection device and method for accounting document

Technical Field

The invention relates to the technical field of detection of accounting documents, in particular to a device and a method for detecting accounting documents.

Background

Accounting documents are written certificates for recording the occurrence or completion conditions of economic businesses, and comprise original documents and bookkeeping documents, which are carriers of economic information and are the basis for registering an account book, most of companies fill the accounting documents in a manual input mode, namely, an accounting single person contrasts the original documents of the businesses, manually judges information of listed accounting subjects, budget subjects, departments, projects and the like, then clicks the filled documents in financial software and then clicks a keyboard to input related contents, so that an accounting document is formed, then a plurality of accounting documents are revised together, and the device is a detection structure for detecting the accounting documents.

However, when the existing accounting document is detected, a manual detection mode is usually adopted, which is extremely labor-consuming and easy to make mistakes, and the document contents are usually in the same format and can be detected by adopting an industrial camera, but the installation position of the camera and the position between the accounting document are difficult to coordinate, the shooting position and the angle of the camera are difficult to adjust, which causes the loss of detection data and is inconvenient to adjust, and the accounting document is usually revised by a plurality of sheets and needs to be turned over, but the paper of the accounting document is different in size and cannot be uniformly positioned and installed; therefore, the existing requirements are not met, and the device and the method for detecting the accounting document are provided.

Disclosure of Invention

The invention provides a detection device and a detection method of an accounting document, which have the advantages of convenient operation and convenient manual adjustment, and solve the problems that the accounting document mentioned in the background technology is usually detected by a manual detection mode, the mode is extremely labor-consuming and easy to make mistakes, the document contents are usually in the same format and can be detected by an industrial camera, but the positions of the installation position of the camera and the accounting document are difficult to coordinate, the shooting position and the angle of the camera are difficult to adjust, the detection data are lost, the adjustment is not convenient enough, the accounting document is usually revised by a plurality of sheets, the page turning operation needs to be carried out on the accounting document, and the paper of the accounting document is different in size and cannot be uniformly positioned and installed.

The invention provides the following technical scheme: the detection device of the accounting document comprises an installation base and a support sliding frame on the installation base, wherein the support sliding frame and the installation base are supported by a support screw rod, a movable sliding groove is formed in the upper end of the support sliding frame, a sliding seat is installed at the upper end of the support sliding frame and used for being installed in the movable sliding groove, a fixed bottom shaft is installed at the lower end of the sliding seat, a fixed screw pin is arranged at the upper end of the fixed bottom shaft and used for connecting the fixed bottom shaft with the sliding seat, a fixed ball pin is arranged at the lower end of the fixed bottom shaft, a detection camera is installed below the sliding seat, a connection shell body is arranged at the upper end of the detection camera, a slit groove is formed in the connection shell body, external threads are arranged on the outer side of the connection shell body, and the outer side of the connection shell body is in an inclined state, the utility model discloses a flexible installation structure, including connection shell body, fixed ball round pin, flexible post, driving motor, fixed ball round pin, fixed ball round pin, fixed ball round pin, fixed ball, fixed pin, fixed ball, fixed pin, fixed ball, fixed pin, fixed ball, fixed pin, fixed ball, fixed pin, fixed.

As an alternative to the detection device of the accounting document, the friction force of the supporting inner shaft is improved, wherein: and an outer friction sleeve is arranged on the outer side of the support inner shaft and is used for increasing the friction force of the support inner shaft.

The alternative of the detection device for the accounting document is that the external friction sleeve is provided with a pressing action force, and the friction force between the external friction sleeve and the external friction sleeve is further improved, wherein the detection device comprises: the telescopic column is characterized in that a contraction spring is arranged in the telescopic column and used for increasing the contraction force of the telescopic column.

The device is provided with a supporting structure with various paper sizes, which is an alternative of the detection device of the accounting document, wherein: the upper end symmetry of installation base installs horizontal support frame, vertical support frame is installed to the lower extreme symmetry of horizontal support frame, two vertical support frame passes through the support column with horizontal support frame junction and is connected, the right angle positioning seat is installed to the upper end of support column, horizontal support frame and vertical support frame all with support column sliding connection.

The invention provides a supporting structure for two right-angle positioning seats, which increases the stability, and is an alternative of the detection device of the accounting document, wherein: an inner sliding shaft is arranged between the two transverse right-angle positioning seats, and an outer sliding sleeve is arranged at one end of the inner sliding shaft.

The mounting stability of the sliding seat is improved, and the detection device of the accounting document is an alternative scheme, wherein: two kneading boards are symmetrically installed in the inside of the sliding seat, every horizontal kneading board is supported by an external supporting spring, and one end of the kneading board is provided with a pushing frame.

The friction effect between the pushing frame and the inner wall of the movable sliding chute is improved, and the pushing frame is used as an alternative of the detection device of the accounting document, wherein the detection device comprises: the friction end is installed to the one end that pushes away the frame, the material of friction end is the rubber material, the friction end is used for improving the frictional force that pushes away the frame.

Providing a support structure for the device as an alternative to the detection device of the accounting document of the present invention, wherein: and right-angle positioning bottom pins are symmetrically arranged on the upper surface of the mounting base.

The invention improves the limiting and supporting effect of the supporting column, and is used as an alternative of the detection device of the accounting document, wherein: two positioning holes are symmetrically arranged at the upper end of the mounting base.

The invention also provides a device and a method for detecting the accounting document, wherein:

s1, installation: at first hold between the fingers the plywood with two hands centre gripping, place the sliding seat in the inside of removing the spout, again with the top of fixed bottom shaft, be connected along the inboard of supporting the balladeur train and the bottom surface of sliding seat, again with the inside in interior laminating groove of fixed ball round pin card, form the support state:

s2, detection: the four end angles of the voucher are attached to the right-angle positioning seat, the voucher is shot and detected through a detection camera, and the hovering position of the detection camera can be changed through sliding the sliding seat and rotating the supporting screw rod;

s3, page turning action; the outer friction sleeve is in friction contact with the upper surface of the voucher paper, and the voucher paper is driven to slide out along the lower end of the outer friction sleeve in the rotating direction of the outer friction sleeve while rotating, and the paper is completely slid out to complete the page turning action;

s4, positioning and mounting: the frame area of the transverse support frame and the frame area of the vertical support frame can be changed according to the size of the certificate paper, and the certificate paper is placed in the positioning hole through the support column to complete support installation.

The invention has the following beneficial effects:

1. this accounting document's detection device through the effect that detects the camera, makes the testing mode of voucher, and is more convenient, reduces accountant's intensity of labour to it is high to detect the precision, and between detecting camera and the voucher, can adjust at will, change its installation direction, and structural operation is very convenient simultaneously, thereby makes the device possess the angle modulation that detects the camera, and the function of the coordination installation of whole position.

2. This accounting document's detection device through the cooperation operation of outer friction sleeve with support interior axle, can realize the automatic page turning function of device, has increased the easy and simple operation nature of device by a wide margin, makes the device possess high degree of freedom, reduces artificial interference and loaded down with trivial details nature.

3. This accounting document's detection device through the cooperation of horizontal support frame and vertical support frame, can provide for evaluating the paper and put the demand, can change braced frame's whole area according to the size of paper to make the device possess the detection support function who adapts to multiple paper size, thereby improve the paper installation scope of device.

Drawings

Fig. 1 is a schematic structural view of the whole of the present invention.

FIG. 2 is a schematic view of a sliding seat and a detection camera according to the present invention.

FIG. 3 is a schematic view of a sliding seat and a position detecting camera according to the present invention.

FIG. 4 is a schematic view of a telescopic column and structure of the present invention.

FIG. 5 is a schematic view of the connecting structure of the lateral supporting frame and the outer sliding sleeve of the present invention.

Fig. 6 is a schematic view of the internal structure of the mounting base of the present invention.

In the figure: 1. installing a base; 2. a support carriage; 3. a support screw; 4. a moving chute; 5. a sliding seat; 6. fixing the bottom shaft; 7. fixing the ball pin; 8. detecting a camera; 9. connecting the outer shell; 10. a slot; 11. an external thread; 12. tightening the snap ring; 13. an inner fitting groove; 14. kneading a plywood; 15. pushing the frame; 16. a friction end; 17. an outer support spring; 18. positioning the chute; 19. a telescopic column; 20. positioning holes; 21. a transverse support frame; 22. a vertical support frame; 23. a support pillar; 24. a right-angle positioning seat; 25. an inner slide shaft; 26. an outer sliding sleeve; 27. fixing a screw pin; 28. a right-angle positioning bottom pin; 29. a retraction spring; 30. supporting the inner shaft; 31. an outer friction sleeve; 32. the motor is driven.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

When the accounting document is detected, a manual detection method is usually adopted, which is very labor-consuming and is easy to make mistakes, and the document contents are usually in the same format and can be detected by an industrial camera, please refer to fig. 1-6, and disclose a device and a method for detecting the accounting document, wherein the device for detecting the accounting document comprises a mounting base 1 and a supporting sliding frame 2 on the mounting base 1, the supporting sliding frame 2 and the mounting base 1 are supported by a supporting screw 3, the upper end of the supporting sliding frame 2 is provided with a moving sliding chute 4, the upper end of the supporting sliding frame 2 is provided with a sliding seat 5, the sliding seat 5 is arranged in the moving sliding chute 4, the lower end of the sliding seat 5 is provided with a fixed bottom shaft 6, the upper end of the fixed bottom shaft 6 is provided with a fixed screw pin 27, the fixed screw pin 27 is used for connecting the fixed bottom shaft 6 and the sliding seat 5, the lower end of the fixed bottom shaft 6 is provided with a fixed ball pin 7, detection camera 8 is installed to the below of sliding seat 5, detection camera 8's upper end is equipped with connects shell body 9, the inside of connecting shell body 9 is equipped with slot 10, the outside of connecting shell body 9 is equipped with external screw thread 11, the outside of connecting shell body 9 is the tilt state, the inside of connecting shell body 9 is equipped with interior laminating groove 13, fixed ball round pin 7 is used for installing in interior laminating groove 13, the outside of connecting shell body 9 is installed and is tightened up snap ring 12, the upper end symmetry of installation base 1 is equipped with location spout 18, flexible post 19 is still installed to the upper end of installation base 1 symmetry, flexible post 19 is used for installing in location spout 18, axle 30 in the support is installed to the one end of flexible post 19, driving motor 32 is installed to the one end of axle 30 in the support.

When in use, the sliding seat 5 is firstly placed in the movable sliding chute 4, the fixed bottom shaft 6 is tightly distributed in the connecting outer shell 9 through the slit groove 10 along the inner side of the supporting sliding frame 2 and the lower end of the sliding seat 5 and is in threaded fixation through the fixed screw pin 27, the fixed ball pin 7 is clamped in the inner fitting groove 13, when the snap ring 12 is rotationally tightened, the tightening snap ring 12 is in threaded engagement with the external thread 11, so that the outer side of the connecting outer shell 9 which is inclined outwards is inwards folded, the inner wall of the inner fitting groove 13 is tightly fitted with the outer surface of the fixed ball pin 7, the contraction degree of the connecting outer shell 9 can be adjusted through the height of the tightening snap ring 12, and through the structure, the device can be ensured to adopt a camera shooting mode to carry out voucher detection operation, the detection precision during detection is greatly improved, and the labor intensity of accountants is reduced, the detection efficiency of the device is improved, the detection camera 8 has high angle flexibility through the connection mode of the outer surface of the fixed ball pin 7 and the inside of the connection shell 9, the detection camera 8 has the function of adjusting the shooting angle, meanwhile, the installation is single, the use is convenient, when the device is used for detection, the voucher is placed on the upper surface of the installation base 1 according to the position of the inner sliding shaft 25, the outer friction sleeve 31 is placed at the position of page turning of the upper surface of the voucher, the support inner shaft 30 is driven to rotate through the driving motor 32, the support inner shaft 30 is made to rub with the upper surface of the voucher, the voucher is rubbed along the lower surface of the support inner shaft 30 and is peeled to one side of the voucher placing position, the page turning operation is completed, and the device has a more convenient operation mode.

Example 2

The friction force of the supporting inner shaft 30 is weak, and it is difficult to effectively peel and turn pages of the voucher paper, and this embodiment is an improvement made on the basis of embodiment 1, specifically, referring to fig. 1 to 6, an outer friction sleeve 31 is installed on the outer side of the supporting inner shaft 30, and the outer friction sleeve 31 is used to increase the friction force of the supporting inner shaft 30.

When the supporting inner shaft 30 contacts with the upper surface of the voucher paper, the friction supporting force between the supporting inner shaft and the voucher paper is greatly improved, so that the page turning operation of the voucher paper is smoother, the unsuccessful page turning is avoided, and the paper and the supporting inner shaft 30 are excessively rubbed to cause damage.

Example 3

When the external friction sleeve 31 is stuck to the certificate paper, a downward pressure needs to be provided to the certificate paper to increase the friction effect between the external friction sleeve 31 and the paper, and this embodiment is an improvement on the basis of embodiment 2, specifically, referring to fig. 1 to 6, a retraction spring 29 is installed inside the telescopic column 19, and the retraction spring 29 is used to increase the retraction force of the telescopic column 19.

When the lower surface of the outer friction sleeve 31 contacts with the upper surface of the paper, the telescopic column 19 is driven to contract inwards by the contraction effect of the contraction spring 29, downward pressure is provided for the outer friction sleeve 31, the friction degree between the outer friction sleeve 31 and the paper is increased, the phenomenon that the page turning is delayed due to too low friction force is avoided, and the page turning effect of the paper is improved.

Example 4

Accounting document's paper is not of uniform size, and the installation need be adjusted according to the paper size to the device, and this embodiment is the improvement of making on embodiment 1's basis, and is specific, please refer to fig. 1-6, horizontal support frame 21 is installed to the upper end symmetry of installation base 1, vertical support frame 22 is installed to the lower extreme symmetry of horizontal support frame 21, two vertical support frames 22 pass through support column 23 with horizontal support frame 21 junction and are connected, right angle positioning seat 24 is installed to the upper end of support column 23, horizontal support frame 21 and vertical support frame 22 all with support column 23 sliding connection.

During the use, can change vertical support frame 22 and interior slide shaft 25's extension length according to the size of paper, and support column 23 then provides the supporting role for vertical support frame 22 and interior slide shaft 25, places the paper voucher in right angle positioning seat 24 upper end again simultaneously to for the paper provides puts the structure, through above-mentioned structure, provide bearing structure for the voucher paper, and can adjust according to the size of paper, and then change the framework area between horizontal support frame 21 and the vertical support frame 22.

Example 5

The connection between the two right angle positioning seats 24 is not stable enough, and meanwhile, the placement of the paper is also lack of support, and this embodiment is an improvement made on the basis of embodiment 4, specifically, referring to fig. 1-4, an inner sliding shaft 25 is installed between the two transverse right angle positioning seats 24, and an outer sliding sleeve 26 is installed at one end of the inner sliding shaft 25.

During the use, through the cooperation of interior sliding shaft 25 with outer sliding sleeve 26, can be for providing the supporting effect between two right angle positioning seats 24 to can not influence the support when horizontal support frame 21 extends with vertical support frame 22, further improve the bearing structure between two right angle positioning seats 24, make it more stable.

Example 6

Specifically, referring to fig. 1 to 6, two kneading plates 14 are symmetrically installed inside the sliding seat 5, each two kneading plates 14 in the transverse direction are supported by an outer supporting spring 17, and a pushing frame 15 is disposed at one end of each kneading plate 14.

During the use, two plywood 14 of holding between the fingers of accessible, with its internal contraction, make and push away frame 15 and the inner wall separation of removing spout 4, and then realize sliding of sliding seat 5, loosen the back, through the outside extension of outrigger spring 17, hold between the fingers plywood 14 outside back-ups with two, make and push away frame 15 and the inner wall contact of removing spout 4, form the friction effect, form the location effect to sliding seat 5, thereby improve the inside installation stability of sliding seat 5, and convenient operation, it is very simple to use.

Example 7

Specifically, referring to fig. 1 to 6, a friction end 16 is installed at one end of the pushing frame 15, the friction end 16 is made of rubber, and the friction end 16 is used for increasing the friction force of the pushing frame 15.

During the use, will push away frame 15 outwards and back up through kneading board 14, make simultaneously to push away and support through friction end 16 between the one end of frame 15 and the inner wall that removes spout 4, through the material characteristic of friction end 16, the improvement of very big degree pushes away the frame 15 and removes the frictional force of spout 4 to and increase the support stability of sliding seat 5.

Example 8

The upper surface of the mounting base 1 needs to be filled with a limiting structure of credential paper, and this embodiment is an improvement made on the basis of embodiment 1, specifically, please refer to fig. 1-6, the upper surface of the mounting base 1 is symmetrically provided with right-angle positioning bottom pins 28.

When the multifunctional certificate locating device is used, four end corners of the certificate are respectively attached to the inner side of the right-angle locating bottom pin 28 and are limited, locating operation on paper is completed, page turning and detecting functions of the paper are facilitated, and operation is very convenient.

Example 9

When the supporting column 23 is attached to the upper surface of the mounting base 1, a positioning structure is needed to limit the supporting column 23, and this embodiment is an improvement made on the basis of embodiment 1, specifically, referring to fig. 1 to 6, two positioning holes 20 are symmetrically installed at the upper end of the mounting base 1.

During the use, can peg graft the inside at locating hole 20 with support column 23, increase substantially the joint strength between horizontal support frame 21 and the vertical support frame 22 to and support stability.

Example 10

s1, installation: at first place slide holder 5 in the inside of removing spout 4 with two kneading plates 14 of centre gripping, will fix the top of bottom shaft 6 again, along supporting carriage 2's inboard, be connected with slide holder 5's bottom surface, will fix ball round pin 7 again and block in the inside of interior laminating groove 13, form the support state:

s2, detection: the four end corners of the voucher are attached to the right-angle positioning seat 24, the voucher is shot and detected through the detection camera 8, and the hovering position of the detection camera 8 can be changed through sliding the sliding seat 5 and rotating the supporting screw 3;

s3, page turning action; the outer friction sleeve 31 is in friction contact with the upper surface of the voucher paper, and when the voucher paper rotates, the paper is driven to slide out along the lower end of the outer friction sleeve 31 in the rotating direction of the outer friction sleeve 31 and complete page turning after the paper completely slides out;

s4, positioning and mounting: the frame areas of the transverse support frame 21 and the vertical support frame 22 can be changed according to the size of the voucher paper, and the voucher paper is placed in the positioning hole 20 through the support column 23, so that the supporting and mounting are completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. Accounting document's detection device, including support balladeur train (2) on installation base (1) and installation base (1), support balladeur train (2) and installation base (1) and support its characterized in that through supporting screw (3): the upper end of the supporting sliding frame (2) is provided with a movable sliding groove (4), the upper end of the supporting sliding frame (2) is provided with a sliding seat (5), the sliding seat (5) is used for being installed in the movable sliding groove (4), the lower end of the sliding seat (5) is provided with a fixed bottom shaft (6), the upper end of the fixed bottom shaft (6) is provided with a fixed screw pin (27), the fixed screw pin (27) is used for connecting the fixed bottom shaft (6) with the sliding seat (5), the lower end of the fixed bottom shaft (6) is provided with a fixed ball pin (7), a detection camera (8) is installed below the sliding seat (5), the upper end of the detection camera (8) is provided with a connecting outer shell (9), the inside of the connecting outer shell (9) is provided with a slot (10), the outer side of the connecting outer shell (9) is provided with an external thread (11), the outer side of the connecting outer shell (9) is in an inclined state, the utility model discloses a flexible mounting structure, including connection shell body (9), fixed ball round pin (7) are used for installing in interior laminating groove (13), the outside of connecting shell body (9) is installed and is tightened up snap ring (12), the upper end symmetry of installation base (1) is equipped with location spout (18), flexible post (19) are installed to the upper end of installation base (1) still symmetry, flexible post (19) are used for installing in location spout (18), axle (30) in the support is installed to the one end of flexible post (19), driving motor (32) are installed to the one end of axle (30) in the support.

2. The accounting document detection device as claimed in claim 1, wherein: an outer friction sleeve (31) is mounted on the outer side of the inner supporting shaft (30), and the outer friction sleeve (31) is used for increasing the friction force of the inner supporting shaft (30).

3. The accounting document detection device as claimed in claim 2, wherein: a contraction spring (29) is installed inside the telescopic column (19), and the contraction spring (29) is used for increasing the contraction force of the telescopic column (19).

4. The accounting document detection device as claimed in claim 1, wherein: horizontal support frame (21) are installed to the upper end symmetry of installation base (1), vertical support frame (22), two are installed to the lower extreme symmetry of horizontal support frame (21) vertical support frame (22) are connected through support column (23) with horizontal support frame (21) junction, right angle positioning seat (24) are installed to the upper end of support column (23), horizontal support frame (21) and vertical support frame (22) all with support column (23) sliding connection.

5. The accounting document detection device as claimed in claim 4, wherein: an inner sliding shaft (25) is arranged between the two transverse right-angle positioning seats (24), and an outer sliding sleeve (26) is arranged at one end of the inner sliding shaft (25).

6. The accounting document detection device as claimed in claim 1, wherein: two kneading plates (14) are symmetrically installed in the interior of the sliding seat (5), every horizontal two kneading plates (14) are supported by an external support spring (17), and one end of each kneading plate (14) is provided with a pushing frame (15).

7. The accounting document detection device as claimed in claim 6, wherein: the friction end (16) is installed to the one end that pushes away frame (15), the material of friction end (16) is the rubber material, friction end (16) are used for improving the frictional force that pushes away frame (15).

8. The accounting document detection device as claimed in claim 1, wherein: the upper surface of the mounting base (1) is symmetrically provided with right-angle positioning bottom pins (28).

9. The accounting document detection device as claimed in claim 1, wherein: two positioning holes (20) are symmetrically arranged at the upper end of the mounting base (1).

10. The device and method for detecting accounting documents as claimed in claim 1, wherein:

s1, installation: firstly, two kneading plates (14) are clamped by hands, a sliding seat (5) is placed in a movable sliding chute (4), then the top end of a fixed bottom shaft (6) is connected with the bottom surface of the sliding seat (5) along the inner side of a supporting sliding frame (2), and then a fixed ball pin (7) is clamped in an inner joint groove (13) to form a supporting state:

s2, detection: the four end angles of the voucher are attached to the right-angle positioning seat (24), the voucher is shot and detected through the detection camera (8), and the hovering position of the detection camera (8) can be changed through sliding the sliding seat (5) and rotating the supporting screw (3);

s3, page turning action; the outer friction sleeve (31) is in friction contact with the upper surface of the voucher paper, and the voucher paper is driven to slide out along the lower end of the outer friction sleeve (31) in the rotating direction of the outer friction sleeve (31) while rotating, and the paper is completely slid out to complete the page turning action;

s4, positioning and mounting: the frame areas of the transverse support frame (21) and the vertical support frame (22) can be changed according to the size of the certificate paper, and the certificate paper is placed in the positioning hole (20) through the support column (23) to complete supporting and mounting.