CN210011073U - Accounting account book perforating device - Google Patents

Abstract

The utility model relates to the technical field of office equipment, in particular to an accounting account book punching device, which can save physical power consumed during manual punching by automatically controlling a hole needle to punch, prevent scratches and pains caused by an adversary at the top end of a connecting rod during manual punching, and can realize quick movement of the hole needle, high punching efficiency and improved practicability and reliability during automatic punching; the drilling machine comprises a base, a left supporting leg, a right supporting leg, a workbench, a connecting rod and a hole needle, wherein the left side of the bottom end of the base is connected with the top end of the left supporting leg, the right side of the bottom end of the base is connected with the top end of the right supporting leg, the middle part of the top end of the base is connected with the bottom end of the workbench, the connecting rod is positioned above the workbench, and the bottom end of the connecting rod is connected with the top end of the; still include left stand, right stand, crossbeam, go up backup pad, hydraulic means, connecting plate, hydraulic stem and hydraulic pressure pipe.

Description

Accounting account book perforating device

Technical Field

The utility model relates to a technical field of office equipment especially relates to an accounting account book perforating device.

Background

As is well known, an accounting book punching device is an auxiliary device for punching accounting books, and is widely used in the field of office equipment; the existing punching device for the accounting account book comprises a base, a left supporting leg, a right supporting leg, a workbench, a connecting rod and a hole needle, wherein the left side of the bottom end of the base is connected with the top end of the left supporting leg, the right side of the bottom end of the base is connected with the top end of the right supporting leg, the middle part of the top end of the base is connected with the bottom end of the workbench, the connecting rod is positioned above the workbench, and the bottom end of the connecting rod is connected with the top end of the hole needle; when the existing punching device for the accounting book of the accounting is used, firstly, the accounting book is placed at the top end of a workbench and manually fixed, then a connecting rod and a hole needle are manually taken up, the bottom end of the hole needle is placed at the top end of the accounting book, the connecting rod is manually pressed and moved downwards, the connecting rod drives the hole needle to move downwards, the bottom end of the hole needle performs punching work on the accounting book, the bottom end of the hole needle penetrates through the accounting book and extends to the bottom end of the accounting book, the punching work is completed, the connecting rod is manually lifted, the connecting rod drives the hole needle to move upwards and enables the bottom end of the hole needle to be separated from the top end of the accounting book, and the hole needle is manually put down and the accounting book is; present accounting account book perforating device in use discovers, and when manual drive hole needle punches through pressing down the connecting rod, manual taking up connecting rod and hole needle need consume physical power, and when manual pressing down the connecting rod, the easy adversary in top of connecting rod causes pain and the easy adversary in connecting rod top causes the fish tail, and when manual punching simultaneously, hole needle downwardly moving speed is slower, and efficiency of punching is lower, leads to the practicality and the reliability relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a work of punching through automatic control hole needle saves the manual power that consumes when the manual work punches, when preventing the manual work and punching, the top adversary of connecting rod causes fish tail and pain, and when the automatic punching simultaneously, hole needle translation rate is very fast, and punching efficiency is higher, improves the accounting account book perforating device of practicality and reliability.

The utility model discloses an accounting account book perforating device, including base, left leg, right leg, workstation, connecting rod and hole needle, the bottom left side of base is connected with the top of left leg, and the bottom right side of base is connected with the top of right leg, and the top middle part of base is connected with the bottom of workstation, and the connecting rod is located the top of workstation, and the bottom of connecting rod is connected with the top of hole needle; still include the left stand, the right side stand, the crossbeam, go up the backup pad, hydraulic means, the connecting plate, hydraulic stem and hydraulic pressure pipe, the bottom of left side stand is connected with the left rear side in top of base, the bottom of right side stand is connected with the right rear side in top of base, the left end and the right-hand member of crossbeam are connected with the right-hand member upside of left stand and the left end of right stand upside respectively, the front end of crossbeam is provided with lateral sliding device, lateral sliding device's front end is connected with the rear end of last backup pad, the top front side of going up the backup pad is connected with hydraulic means's bottom, the bottom front side of going up the backup pad is connected with the top of connecting plate, the bottom of connecting plate is connected with the top of hydraulic stem, the bottom of hydraulic stem is connected with the top of connecting rod, the rear end upside and the hydraulic means's front end downside intercommunication of hydraulic pressure pipe, the rear end downside of.

The utility model discloses an accounting account book perforating device, the lateral sliding device includes the motor, the reduction gear, the pivot, left fixed plate, right fixed plate, the shifting nut, the mounting panel, slide and slider, the rear end of motor is connected with the upper left side of the front end of crossbeam, the right-hand member of motor is connected with the left end of reduction gear, the left end of reduction gear is connected with the left end of pivot, left fixed plate is located the right side of reduction gear, the rear end of left fixed plate is connected with the upper right side of the front end of crossbeam, the rear end of right fixed plate is connected with the upper right side of the front end of crossbeam, the right-hand member of pivot passes left fixed plate and right fixed plate and stretches out to the right side of right fixed plate, the left side and the right side of pivot are respectively with left fixed plate and right fixed plate rotatable coupling, shifting nut spiral shell dress cover is established in the pivot, the front end of shifting nut is connected with the upper right side of, the rear end of the sliding block is connected with the front end of the sliding way in a sliding mode, the front end of the sliding block is connected with the lower side of the rear end of the mounting plate, and the upper side of the front end of the mounting plate is connected with the rear end of the upper supporting plate.

The utility model discloses an accounting account book perforating device, still include two sets of fixing device, two sets of fixing device's bottom is connected with the top left side and the right side of workstation respectively, two sets of fixing device are installed relatively, fixing device includes the fixed block, first grip block, the second adds holds the board, third grip block and fourth grip block, the bottom of fixed block is connected with the top left side of workstation, the top of fixed block is connected with the bottom of first grip block, the top of first grip block adds the left end rotatable coupling who holds the board with the second, the right side of first grip block and the bottom rotatable coupling of fourth grip block, the upside of fourth grip block and the top rotatable coupling of third grip block, the bottom of third grip block adds the left side rotatable coupling who holds the board with the second, the second adds the right-hand member that holds the board and is provided with closing device.

The utility model discloses an accounting account book perforating device, closing device includes the double-screw bolt, the upper nut, lower nut and clamp plate, the second adds the right side of holding the board and is provided with the through-hole that runs through from top to bottom, the bottom of double-screw bolt is passed the through-hole and is stretched out to the second and add the below of holding the board, upper nut and lower nut are the spiral shell dress cover respectively and are established at the upside and the downside of double-screw bolt, the bottom of upper nut and second add the top right side of holding the board and paste tightly, the top of lower nut and second add the bottom right side of holding the board and paste tightly, the bottom of double-screw bolt is connected with the top middle part.

The utility model discloses an accounting account book perforating device, closing device still include the antiskid ribbed tile, the top of antiskid ribbed tile with be connected with the bottom of clamp plate.

The utility model discloses an accounting account book perforating device still includes the handle cover, and the upside at fourth grip block is overlapped in the handle cover suit.

The utility model discloses an accounting account book perforating device still includes collects the storehouse, and the top middle part intercommunication of workstation is provided with the hole groove, and the front end downside intercommunication of workstation is provided with the material collection mouth, collects the bottom intercommunication in a mouthful top and hole groove, collects the storehouse and places in the inside of the mouth that gathers materials, collects the inside cavity that is provided with in storehouse, and cavity top intercommunication is provided with collects the mouth, collects the top of mouth and the bottom intercommunication in hole groove, collects the front end in storehouse and the front end parallel and level of workstation.

The utility model discloses an accounting account book perforating device still includes the handle, and the rear end of handle is connected with the front end middle part in collection storehouse.

Compared with the prior art, the beneficial effects of the utility model are that: the account book is placed at the top end of a workbench and is manually pressed and fixed, a hydraulic device controls the bottom end of a hydraulic rod to move downwards through a hydraulic pipe, the hydraulic rod drives a hole needle to move downwards through a connecting rod, the bottom end of the hole needle is contacted with the top end of the account book, the bottom end of the hole needle penetrates through the account book and extends out to the bottom end of the account book, the hydraulic device controls the bottom end of the hydraulic rod to move upwards through the hydraulic pipe, the hydraulic rod drives the hole needle to move upwards through the connecting rod, the bottom end of the hole needle is separated from the top end of the account book, the bottom end of the hole needle returns to an initial position, the hydraulic device controls the bottom end of the hydraulic rod to stop moving through the hydraulic pipe, the hole needle stops moving, the original book is taken down, the punching work is completed, the punching work is performed through an automatic hole needle, the physical force consumed during manual punching is saved, when manual punching is prevented, the, the hole needle moving speed is fast, and the efficiency of punching is higher, improves practicality and reliability.

Drawings

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

FIG. 2 is a left side view of the mounting plate of FIG. 1 in an enlarged configuration;

FIG. 3 is an enlarged schematic view of the hydraulic ram of FIG. 1;

FIG. 4 is an enlarged top view of the table of FIG. 1;

in the drawings, the reference numbers: 1. a base; 2. a left leg; 3. a right leg; 4. a work table; 5. a connecting rod; 6. a hole needle; 7. a left upright post; 8. a right upright post; 9. a cross beam; 10. an upper support plate; 11. a hydraulic device; 12. a connecting plate; 13. a hydraulic lever; 14. a hydraulic tube; 15. a motor; 16. a speed reducer; 17. a rotating shaft; 18. a left fixing plate; 19. a right fixing plate; 20. moving the nut; 21. mounting a plate; 22. a slideway; 23. a slider; 24. a fixed block; 25. a first clamping plate; 26. a second clamping plate; 27. a third clamping plate; 28. a fourth clamping plate; 29. a stud; 30. screwing a nut; 31. a lower nut; 32. pressing a plate; 33. an anti-skid plate; 34. covering the handlebar; 35. a collection bin; 36. and (4) a handle.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the punching device for accounting books of the present invention comprises a base 1, a left leg 2, a right leg 3, a workbench 4, a connecting rod 5 and a hole needle 6, wherein the left side of the bottom end of the base 1 is connected with the top end of the left leg 2, the right side of the bottom end of the base 1 is connected with the top end of the right leg 3, the middle part of the top end of the base 1 is connected with the bottom end of the workbench 4, the connecting rod 5 is located above the workbench 4, and the bottom end of the connecting rod 5 is connected with the top end of the hole needle 6; the device also comprises a left upright post 7, a right upright post 8, a cross beam 9, an upper support plate 10, a hydraulic device 11, a connecting plate 12, a hydraulic rod 13 and a hydraulic pipe 14, wherein the bottom end of the left upright post 7 is connected with the left rear side of the top end of the base 1, the bottom end of the right upright post 8 is connected with the right rear side of the top end of the base 1, the left end and the right end of the cross beam 9 are respectively connected with the upper side of the right end of the left upright post 7 and the upper side of the left end of the right upright post 8, the front end of the cross beam 9 is provided with a transverse sliding device, the front end of the transverse sliding device is connected with the rear end of the upper support plate 10, the front side of the top end of the upper support plate 10 is connected with the bottom end of the hydraulic device 11, the front side of the bottom end of the upper support plate 10 is connected with the top end of the connecting plate 12, the bottom end of the, the lower side of the rear end of the hydraulic pipe 14 is communicated with the upper side of the front end of the hydraulic rod 13; the account book is placed at the top end of a workbench and is manually pressed and fixed, a hydraulic device controls the bottom end of a hydraulic rod to move downwards through a hydraulic pipe, the hydraulic rod drives a hole needle to move downwards through a connecting rod, the bottom end of the hole needle is contacted with the top end of the account book, the bottom end of the hole needle penetrates through the account book and extends out to the bottom end of the account book, the hydraulic device controls the bottom end of the hydraulic rod to move upwards through the hydraulic pipe, the hydraulic rod drives the hole needle to move upwards through the connecting rod, the bottom end of the hole needle is separated from the top end of the account book, the bottom end of the hole needle returns to an initial position, the hydraulic device controls the bottom end of the hydraulic rod to stop moving through the hydraulic pipe, the hole needle stops moving, the original book is taken down, the punching work is completed, the punching work is performed through an automatic hole needle, the physical force consumed during manual punching is saved, when manual punching is prevented, the, the hole needle moving speed is fast, and the efficiency of punching is higher, improves practicality and reliability.

The utility model relates to an accounting account book perforating device, the transverse sliding device comprises a motor 15, a reducer 16, a rotating shaft 17, a left fixing plate 18, a right fixing plate 19, a movable nut 20, a mounting plate 21, a slide way 22 and a slide block 23, the rear end of the motor 15 is connected with the upper left side of the front end of a beam 9, the right end of the motor 15 is connected with the left end of the reducer 16, the left end of the reducer 16 is connected with the left end of the rotating shaft 17, the left fixing plate 18 is positioned at the right side of the reducer 16, the rear end of the left fixing plate 18 is connected with the upper right side of the front end of the beam 9, the rear end of the right fixing plate 19 is connected with the upper right side of the front end of the beam 9, the right end of the rotating shaft 17 passes through the left fixing plate 18 and the right fixing plate 19 and extends to the right side of the right fixing plate 19, the left side and the right side of the rotating shaft 17 are respectively rotatably connected with the left fixing plate 18 and, the slide way 22 is positioned below the motor 15, the slide way 22 is transversely arranged on the lower side of the front end of the cross beam 9, the rear end of the slide block 23 is connected with the front end of the slide way 22 in a sliding way, the front end of the slide block 23 is connected with the lower side of the rear end of the mounting plate 21, and the upper side of the front end of the mounting plate 21 is connected with the rear end of the upper support plate 10; open the motor, the motor drives the reduction gear and rotates, the reduction gear drives the pivot and rotates, the pivot is connected with removal nut spiral shell dress, the front end of removal nut is connected with the rear end upside of mounting panel, it is fixed to remove the nut circumferencial direction, the pivot drives and removes the nut and controls the removal, remove the nut and drive the mounting panel and control the removal, the mounting panel drives the slider and carries out the horizontal slip on the slide, the mounting panel drives the backup pad and controls the removal simultaneously, it passes through the connecting plate to go up the backup pad, hydraulic stem and connecting rod drive hole needle and control the removal, control the removal through the motor drive hole needle, the work of punching is conveniently carried out to other positions.

The punching device for the accounting account book of the utility model also comprises two groups of fixing devices, the bottom ends of the two groups of fixing devices are respectively connected with the left side and the right side of the top end of the workbench 4, the two groups of fixing devices are oppositely arranged, the fixing devices comprise a fixing block 24 and a first clamping plate 25, the bottom end of the fixed block 24 is connected with the left side of the top end of the workbench 4, the top end of the fixed block 24 is connected with the bottom end of the first clamping plate 25, the top end of the first clamping plate 25 is rotatably connected with the left end of the second clamping plate 26, the right side of the first clamping plate 25 is rotatably connected with the bottom end of the fourth clamping plate 28, the upper side of the fourth clamping plate 28 is rotatably connected with the top end of the third clamping plate 27, the bottom end of the third clamping plate 27 is rotatably connected with the left side of the second clamping plate 26, and the right end of the second clamping plate 26 is provided with a pressing device; the upside anticlockwise rotation of manual moving fourth grip block, the fourth grip block drives the second through the third grip block and adds the right-hand member anticlockwise rotation of holding the board, the second adds the right-hand member of holding the board and drives closing device anticlockwise rotation, closing device's bottom is lifted, place the account book on the top of workstation, the top left side of account book is located closing device's below, the upside clockwise rotation of manual moving fourth grip block, the fourth grip block drives the right-hand member clockwise rotation of second holding the board through the third grip block, the right-hand member of second holding the board drives closing device clockwise rotation, closing device's bottom is pasted tightly with the top left side of account book, through setting up two sets of fixing device, can press from both sides the account book tightly fixed, conveniently carry out punching work to the account book, save manual fixed physical power and time of pressing, practicality and reliability are improved.

The utility model discloses an accounting account book perforating device, closing device includes double-screw bolt 29, upper nut 30, lower nut 31 and clamp plate 32, the right side of second adds the board 26 is provided with the through-hole that runs through from top to bottom, the bottom of double-screw bolt 29 passes the through-hole and stretches out to the below of second adds the board 26, upper nut 30 and lower nut 31 are the spiral shell suit respectively and are established at the upside and the downside of double-screw bolt 29, the bottom of upper nut 30 pastes tightly with the top right side of second adding board 26, the top of lower nut 31 pastes tightly with the bottom right side of second adding board 26, the bottom of double-screw bolt 29 is connected with the top middle part of clamp plate 32; can compress tightly work to the account book through setting up closing device, loosen upper nut and lower nut respectively, adjustable double-screw bolt height to the height of adjustment clamp plate, upper nut and lower nut of screwing respectively can be fixed the screw, prevent that the double-screw bolt is not hard up, and the position of clamp plate obtains fixedly, through adjustment clamp plate height, can make fixing device to the account book of different thickness work of punching, improves practicality and reliability.

The utility model discloses an accounting book perforating device, the compressing device also comprises an antiskid plate 33, the top end of the antiskid plate 33 is connected with the bottom end of the pressing plate 32; through setting up the antiskid ribbed tile, when can making the bottom of antiskid ribbed tile and this top contact of account, prevent that the account book from sliding, improve account book stability.

The punching device for the accounting book of the utility model also comprises a handle cover 34, wherein the handle cover 34 is sleeved on the upper side of the fourth clamping plate 28; through setting up the handle cover, make things convenient for the manual work to operate the fourth grip block upside, prevent that the fourth grip block upside from causing the injury to the human body, improve the practicality.

The utility model discloses an accounting account book perforating device, still include collection bin 35, the top middle part of workstation 4 communicates and is provided with the hole groove, the front end downside of workstation 4 communicates and is provided with the material collecting opening, the material collecting opening top communicates with the bottom of hole groove, collection bin 35 is placed in the inside of material collecting opening, collection bin 35 is inside to be provided with the cavity, the cavity top communicates and is provided with the collection opening, the top of collection opening communicates with the bottom of hole groove, the front end of collection bin 35 is parallel and level with the front end of workstation 4; the bottom of hole needle is to placing the during operation of punching at the account book on workstation top, and the piece after punching passes the hole groove and collects the mouth and fall into the cavity inside, collects the piece through collecting the storehouse, makes perforating device cleaner and tidier, and the convenience is handled the piece simultaneously, improves the practicality.

The punching device for the accounting account book of the utility model also comprises a handle 36, the rear end of the handle 36 is connected with the middle part of the front end of the collecting bin 35; through setting up the handle, can make things convenient for manually to take out the collection storehouse through the handle, improve the practicality.

The utility model discloses an accounting account book perforating device, when it works, firstly, the account book is placed on the top of the workbench, two sets of fixing devices are respectively and manually moved, the bottoms of two sets of pressing devices are respectively tightly attached to the left side and the right side of the top of the account book, the account book is fixed, then the hydraulic device controls the bottom of the hydraulic rod to move downwards through the hydraulic pipe, the hydraulic rod drives the hole needle to move downwards through the connecting rod, the bottom of the hole needle is contacted with the top of the account book, the bottom of the hole needle passes through the account book and extends to the bottom of the account book, the hydraulic device controls the bottom of the hydraulic rod to move upwards through the hydraulic pipe, the hydraulic rod drives the hole needle to move upwards through the connecting rod, the bottom of the hole needle is separated from the top of the account book, the bottom of the hole needle is restored to the initial position, the hydraulic device controls the bottom of the hydraulic rod to stop moving through the hydraulic pipe, the, the motor drives the reducer to rotate, the reducer drives the rotating shaft to rotate, the rotating shaft is connected with the movable nut in a threaded manner, the front end of the movable nut is connected with the upper side of the rear end of the mounting plate, the movable nut is fixed in the circumferential direction, the rotating shaft drives the movable nut to move left and right, the movable nut drives the mounting plate to move left and right, the mounting plate drives the slider to slide left and right on the slide way, the mounting plate drives the upper supporting plate to move left and right, the upper supporting plate drives the hole needle to move left and right through the connecting plate, the hydraulic rod and the connecting rod, the hole needle position is adjusted, then the hydraulic device controls the bottom end of the hydraulic rod to move downwards through the hydraulic pipe, the hydraulic rod drives the hole needle to move downwards through the connecting rod, the bottom end of the hole needle is contacted with the top end of the account book, the bottom, the hydraulic stem passes through the connecting rod and drives hole needle rebound, and the bottom of hole needle and the top separation of account book, the bottom of hole needle resume to initial position, and hydraulic means passes through the bottom stop motion of hydraulic stem of hydraulic pressure pipe control, and the hole needle stop motion, and the work of punching is accomplished, and two sets of fixing device are moved manually respectively, make two sets of closing device's bottom respectively with the top left side and the right side separation of account book, take off the account book can.

The utility model discloses an accounting book perforating device, the installation mode, the connection mode or the setting mode are all common mechanical modes, and the device can be implemented as long as the beneficial effects can be achieved; hydraulic devices are commercially available.

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

Claims (8)

1. An accounting book punching device comprises a base (1), a left leg (2), a right leg (3), a workbench (4), a connecting rod (5) and a hole needle (6), wherein the left side of the bottom end of the base (1) is connected with the top end of the left leg (2), the right side of the bottom end of the base (1) is connected with the top end of the right leg (3), the middle part of the top end of the base (1) is connected with the bottom end of the workbench (4), the connecting rod (5) is positioned above the workbench (4), and the bottom end of the connecting rod (5) is connected with the top end of the hole needle (6); it is characterized by also comprising a left upright post (7), a right upright post (8), a cross beam (9), an upper supporting plate (10), a hydraulic device (11), a connecting plate (12), a hydraulic rod (13) and a hydraulic pipe (14), wherein the bottom end of the left upright post (7) is connected with the left rear side of the top end of the base (1), the bottom end of the right upright post (8) is connected with the right rear side of the top end of the base (1), the left end and the right end of the cross beam (9) are respectively connected with the upper side of the right end of the left upright post (7) and the upper side of the left end of the right upright post (8), the front end of the cross beam (9) is provided with a transverse sliding device, the front end of the transverse sliding device is connected with the rear end of the upper supporting plate (10), the front side of the top end of the upper supporting plate (10) is connected with the bottom end of the hydraulic device (11), the front side of the bottom end of the upper supporting plate (10) is, the bottom of hydraulic stem (13) is connected with the top of connecting rod (5), and the rear end upside of hydraulic pressure pipe (14) and the front end downside of hydraulic means (11) communicate, and the rear end downside of hydraulic pressure pipe (14) and the front end upside of hydraulic stem (13) communicate.

2. An accounting book perforating device as claimed in claim 1, characterized in that the lateral sliding device comprises a motor (15), a reducer (16), a rotating shaft (17), a left fixing plate (18), a right fixing plate (19), a moving nut (20), a mounting plate (21), a slideway (22) and a slider (23), the rear end of the motor (15) is connected with the left upper side of the front end of the beam (9), the right end of the motor (15) is connected with the left end of the reducer (16), the left end of the reducer (16) is connected with the left end of the rotating shaft (17), the left fixing plate (18) is positioned at the right of the reducer (16), the rear end of the left fixing plate (18) is connected with the upper side of the front end of the beam (9), the rear end of the right fixing plate (19) is connected with the upper right side of the front end of the beam (9), the right end of the rotating shaft (17) passes through the left fixing plate (18) and the right fixing plate (19) and extends to the right, the left side and the right side of pivot (17) are respectively with left fixed plate (18) and right fixed plate (19) rotatable coupling, removal nut (20) spiral shell suit is established on pivot (17), the front end of removal nut (20) is connected with the rear end upside of mounting panel (21), slide (22) are located the below of motor (15), slide (22) are transversely installed at the front end downside of crossbeam (9), the rear end of slider (23) and the front end slidable connection of slide (22), the front end of slider (23) is connected with the rear end downside of mounting panel (21), the front end upside of mounting panel (21) is connected with the rear end of last backup pad (10).

3. An accounting book perforating device as claimed in claim 2, further comprising two sets of fixing devices, the bottom ends of the two sets of fixing devices are respectively connected with the left side and the right side of the top end of the workbench (4), the two sets of fixing devices are oppositely installed, the fixing devices comprise a fixing block (24), a first clamping plate (25), a second clamping plate (26), a third clamping plate (27) and a fourth clamping plate (28), the bottom end of the fixing block (24) is connected with the left side of the top end of the workbench (4), the top end of the fixing block (24) is connected with the bottom end of the first clamping plate (25), the top end of the first clamping plate (25) is rotatably connected with the left end of the second clamping plate (26), the right side of the first clamping plate (25) is rotatably connected with the bottom end of the fourth clamping plate (28), the upper side of the fourth clamping plate (28) is rotatably connected with the top end of the third clamping plate (27), the bottom end of the third clamping plate (27) is rotatably connected with the left side of the second clamping plate (26), and the right end of the second clamping plate (26) is provided with a pressing device.

4. An accounting book perforating device as claimed in claim 3, characterized in that the compressing device comprises a stud (29), an upper nut (30), a lower nut (31) and a pressing plate (32), a through hole penetrating from top to bottom is arranged on the right side of the second holding plate (26), the bottom end of the stud (29) penetrates through the through hole and extends to the lower side of the second holding plate (26), the upper nut (30) and the lower nut (31) are respectively sleeved on the upper side and the lower side of the stud (29), the bottom end of the upper nut (30) is tightly attached to the right side of the top end of the second holding plate (26), the top end of the lower nut (31) is tightly attached to the right side of the bottom end of the second holding plate (26), and the bottom end of the stud (29) is connected with the middle part of the top end of the pressing plate (32).

5. An accounting book perforating device as claimed in claim 4, characterized in that the hold-down device further comprises a skid plate (33), the top end of the skid plate (33) being connected to the bottom end of the pressure plate (32).

6. An accounting book perforating device as claimed in claim 5, further comprising a handle sleeve (34), wherein the handle sleeve (34) is sleeved on the upper side of the fourth clamping plate (28).

7. An accounting account book perforating device as claimed in claim 6, further comprising a collection bin (35), wherein a hole groove is formed in the middle of the top end of the workbench (4) in a communicating manner, a material collecting port is formed in the lower side of the front end of the workbench (4) in a communicating manner, the top end of the material collecting port is communicated with the bottom end of the hole groove, the collection bin (35) is placed inside the material collecting port, a cavity is formed inside the collection bin (35), the top end of the cavity is communicated with the collection port, the top end of the collection port is communicated with the bottom end of the hole groove, and the front end of the collection bin (35) is flush with the front end of the workbench (4).

8. An accounting book perforating device as claimed in claim 7, characterized in that, it further comprises a handle (36), the rear end of the handle (36) is connected with the middle of the front end of the collecting bin (35).

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