CN215149560U - High puncher for financial accounting of security - Google Patents

Abstract

The application discloses high financial accounting puncher of security, including bottom plate, puncher main part, movable plate, U type piece, guide arm, ring, T type pole, spring one, fixture block, magnetic path, logical groove, draw-in groove, screw rod, nut, carriage release lever, slider, round bar, spring two, spring three, clamp plate, T type piece, spring four, square, annular, rack one, rack two, spring five, T type round bar, T type fixture block, spacing groove, drum, reset coil spring, magnetic square one and magnetic square two. This application horizontal push movable plate, movable plate remove and drive rack one and remove, and then extrude rack two, and rack two removes and extrudees spring five, and the elasticity of spring five is convenient for rack two to remove to reset again with rack one meshing, and then the position of fixed movable plate, and the reverse rotation T type pole for first removal of magnetic side is separated with second removal of magnetic side, and under the effect of the torsion of the coiled spring that resets, the drum rotates and drives T type round bar and rotate, makes T type fixture block remove to the inside of the arc groove.

Description

High puncher for financial accounting of security

Technical Field

The application relates to an accounting puncher specifically is a puncher for financial accounting that security is high.

Background

Accounting documents are written proofs that record economic business, define economic liability, and are formatted to register an accounting book. Accounting documents are the basis of entering accounts and accounting and need to be bound for storage, common accounting documents need to be bound monthly into a book, common practice is to bind the accounting documents by using a taper hole and then sewing the taper hole with a thread, and the taper hole is high in labor intensity and low in efficiency.

There is certain defect in the accounting puncher that the tradition used, lacks adjustment mechanism, causes the position of the fixed U type piece of inconvenient regulation, and then inconvenient not unidimensional paper that is applicable to, lacks fixture simultaneously, causes inconveniently to superpose the centre gripping fixed to the paper, and then causes the dislocation of punching of paper easily, lacks fixed establishment, causes the position of the fixed movable plate of inconvenient regulation, and then inconvenient evenly punches with one side at paper border position, and then has reduced the practicality. Therefore, a high financial accounting puncher of security is proposed to the above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

A high-safety perforating machine for financial accounting comprises a bottom plate, a perforating machine main body, a movable plate, U-shaped blocks, an adjusting mechanism, a clamping mechanism and a fixing mechanism, wherein the perforating machine main body is fixedly installed on the left side of the top end of the bottom plate, the movable plate is installed in the bottom plate in a sliding mode, two ends of the movable plate extend to the outer side of the bottom plate, and the U-shaped blocks are symmetrically installed at the front end and the rear end of the top end of the movable plate;

the adjusting mechanism comprises a guide rod, a circular ring, a T-shaped rod, a first spring, a clamping block and a magnetic block, a rectangular groove is formed in the middle position of the top end of the bottom plate, the guide rod is fixedly installed in the rectangular groove, the circular side surface of the guide rod is provided with the circular ring, the top end of the U-shaped block is slidably provided with the T-shaped rod, the circular side surface of the T-shaped rod is provided with the first spring, two ends of the first spring are fixedly installed at the top end of the U-shaped block and the T-shaped rod respectively, the bottom end of the T-shaped rod penetrates through the U-shaped block, the circular ring and the guide rod, the bottom end of the T-shaped rod is fixedly provided with the clamping block, the bottom end in the circular ring is fixedly provided with the magnetic block, and the top end of the magnetic block is vertically aligned with the bottom end of the clamping block;

the clamping mechanism comprises a screw rod, a nut, a moving rod, a sliding block, a round rod and a second spring, the screw rod is rotatably installed at the top end of the U-shaped block, the nut is installed on the annular side surface of the screw rod, the outer side of the nut is fixedly installed inside the U-shaped block, the moving rod is slidably installed inside the U-shaped block, the bottom end of the screw rod extends into the U-shaped block and is rotatably connected with the top end of the moving rod, the two sliding blocks are symmetrically and fixedly installed at one end, close to the U-shaped block, of the moving rod, two grooves are symmetrically formed in the U-shaped block, the round rod is fixedly installed in the grooves, the second spring and the sliding block are installed on the annular side surface of the round rod, and two ends of the second spring are respectively and fixedly installed in the grooves and at the bottom end of the sliding block;

the fixing mechanism comprises a first rack, a second rack, a fifth spring, a T-shaped round rod, T-shaped fixture blocks and limiting grooves, the square groove is formed in the front end of the bottom plate, the movable plate is slidably mounted inside the square groove, the first rack is fixedly mounted at the front end of the movable plate, the fifth spring is fixedly mounted inside the square groove, the second rack is fixedly mounted at one end of the fifth spring, one end of the second rack is meshed with the first rack, the T-shaped round rod is slidably mounted at the right end of the bottom plate, one end of the T-shaped round rod extends to the inside of the square groove and is fixedly connected with the second rack, the two limiting grooves are symmetrically formed in one end of the T-shaped round rod, the two T-shaped fixture blocks are fixedly mounted at the right end of the bottom plate symmetrically, and the T-shaped fixture blocks are mounted inside the limiting grooves.

Furthermore, a through groove is formed in the annular side face of the guide rod, more than two clamping grooves are uniformly formed in the lower side of the side face of the guide rod, one end of each clamping groove is communicated with the through groove, and the size of the cross section of each clamping groove is the same as that of the cross section of each clamping block.

Further, a third spring is fixedly installed at the bottom end of the moving rod, and a pressing plate is fixedly installed at the bottom end of the third spring.

Further, the cylinder groove has been seted up to carriage release lever top intermediate position, the screw rod bottom extends to inside the cylinder groove, the annular has been seted up on the screw rod annular side, carriage release lever one end slidable mounting has T type piece, install spring four on the circular side of T type piece, and four both ends of spring fixed mounting respectively on T type piece and on the carriage release lever.

Further, inside T type piece one end extended to the cylinder groove, and T type piece one end fixed mounting had the square, inside square one end extended to the annular, the ball was installed to both ends symmetry about the square, and the spherical side of ball and the inside top of annular and the laminating of inside bottom mutually.

Furthermore, the limiting groove is composed of square through grooves and arc grooves, two square through grooves and two arc grooves are symmetrically formed in one end of the T-shaped round rod, and one end of each square through groove is communicated with the arc groove.

Further, a cylinder is installed on the annular side face of the T-shaped round rod, a reset coil spring is installed on the annular side face of the cylinder, the outer side of the reset coil spring is fixedly installed inside the bottom plate, a first magnetic square is fixedly installed on the annular side face of the cylinder, a second magnetic square is fixedly installed inside the bottom plate, and the first magnetic square and the second magnetic square are located inside the same vertical face.

Furthermore, two strip-shaped rods are symmetrically and fixedly installed on the annular side face of the T-shaped round rod, two strip-shaped grooves are symmetrically formed in the cylinder, and the strip-shaped rods are installed inside the strip-shaped grooves.

Furthermore, more than two balls are uniformly arranged in the circular ring, and the spherical side surfaces of the balls are attached to the annular side surface of the guide rod.

Furthermore, the adjusting mechanisms are provided with two groups, the two groups of adjusting mechanisms are identical in structure, and the two groups of adjusting mechanisms are respectively installed on the two U-shaped blocks.

The beneficial effect of this application is: the application provides a high puncher for financial accounting of security with fixed movable plate and U type piece and convenient centre gripping paper function are fixed in convenient regulation.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;

FIG. 2 is a schematic structural diagram of an adjustment mechanism according to an embodiment of the present application;

FIG. 3 is a schematic view of a guide bar according to an embodiment of the present application;

FIG. 4 is a schematic view of a clamping mechanism according to an embodiment of the present application;

FIG. 5 is an enlarged view of a portion of one embodiment of the present application at A;

FIG. 6 is a schematic view of a securing mechanism according to an embodiment of the present application;

FIG. 7 is an enlarged view of a portion of one embodiment of the present application at B;

fig. 8 is a schematic structural view of a T-shaped fixture block and a limiting groove according to an embodiment of the present application.

In the figure: 1. the punching machine comprises a bottom plate, 2, a punching machine body, 3, a moving plate, 4, a U-shaped block, 5, a guide rod, 6, a circular ring, 7, a T-shaped rod, 8, a first spring, 9, a clamping block, 10, a magnetic block, 11, a through groove, 12, a clamping groove, 13, a screw rod, 14, a nut, 15, a moving rod, 16, a sliding block, 17, a circular rod, 18, a second spring, 19, a third spring, 20, a pressing plate, 21, a T-shaped block, 22, a fourth spring, 23, a square block, 24, a circular groove, 25, a first rack, 26, a second rack, 27, a fifth spring, 28, a T-shaped circular rod, 29, a T-shaped clamping block, 30, a limiting groove, 31, a cylinder, 32, a reset coil spring, 33, a first magnetic square, 34 and a second magnetic square.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-8, a high-safety financial accounting puncher comprises a bottom plate 1, a puncher main body 2, a movable plate 3, a U-shaped block 4, an adjusting mechanism, a clamping mechanism and a fixing mechanism, wherein the puncher main body 2 is fixedly mounted on the left side of the top end of the bottom plate 1, the movable plate 3 is slidably mounted in the bottom plate 1, two ends of the movable plate 3 extend to the outer side of the bottom plate 1, and the U-shaped block 4 is symmetrically mounted at the front end and the rear end of the top end of the movable plate 3;

the adjusting mechanism comprises a guide rod 5, a circular ring 6, a T-shaped rod 7, a first spring 8, a clamping block 9 and a magnetic block 10, a rectangular groove is formed in the middle of the top end of the bottom plate 1, the guide rod 5 is fixedly installed in the rectangular groove, the circular side surface of the guide rod 5 is provided with the circular ring 6, the top end of the U-shaped block 4 is slidably installed with the T-shaped rod 7, the circular side surface of the T-shaped rod 7 is provided with the first spring 8, two ends of the first spring 8 are fixedly installed at the top end of the U-shaped block 4 and the T-shaped rod 7 respectively, the bottom end of the T-shaped rod 7 penetrates through the U-shaped block 4, the circular ring 6 and the guide rod 5, the bottom end of the T-shaped rod 7 is fixedly installed with the clamping block 9, the magnetic block 10 is fixed at the bottom end in the circular ring 6, the top end of the magnetic block 10 is vertically aligned with the bottom end of the clamping block 9, a user pushes the T-shaped rod 7 downwards, the T-shaped rod 7 moves to drive the clamping block 9 to move to be separated from the clamping groove 12, the T-shaped rod 7 is moved to extrude the first spring 8, the elastic force of the first spring 8 is smaller than the adsorption force between the clamping block 9 and the magnetic block 10, the positions of the T-shaped rod 7 and the clamping block 9 are fixedly installed, the U-shaped block 4 is horizontally pulled, when the U-shaped block 4 moves to a proper position, the T-shaped rod 7 is pushed upwards, the T-shaped rod 7 moves to drive the clamping block 9 to be separated from the magnetic block 10, the T-shaped rod 7 moves to drive the clamping block 9 to move into the other clamping groove 12 under the action of the elastic force of the first spring 8, the circular ring 6 is fixed on the guide rod 5, and the position fixing of the U-shaped block 4 is achieved;

the clamping mechanism comprises a screw 13, a nut 14, a moving rod 15, a slider 16, a round rod 17 and a second spring 18, the screw 13 is installed at the top end of the U-shaped block 4 in a rotating mode, the nut 14 is installed on the annular side face of the screw 13, the outer side of the nut 14 is fixedly installed inside the U-shaped block 4, the moving rod 15 is installed inside the U-shaped block 4 in a sliding mode, the bottom end of the screw 13 extends into the U-shaped block 4 and is connected with the top end of the moving rod 15 in a rotating mode, the moving rod 15 is close to one end of the U-shaped block 4 and is symmetrically and fixedly installed with the two sliders 16, two grooves are symmetrically formed in the U-shaped block 4, the round rod 17 is fixedly installed in the grooves, the second spring 18 and the slider 16 are installed on the annular side face of the round rod 17, two ends of the second spring 18 are fixedly installed in the grooves and the bottom end of the slider 16 respectively, paper is stacked inside the U-shaped block 4, a user can screw 13, the screw 13 moves downwards along the nut 14, the screw 13 moves to drive the moving rod 15 to move, the moving rod 15 moves to drive the sliding block 16 to move along the round rod 17, the sliding block 16 moves to extrude the second spring 18, the elastic force of the second spring 18 facilitates the moving and resetting of the moving rod 15, the moving rod 15 drives the pressing plate 20 to move in the downward movement process to be attached to paper and extrude the third spring 19, and the elastic force of the third spring 19 improves the pressing and holding effect of the pressing plate 20 on the paper;

the fixing mechanism comprises a first rack 25, a second rack 26, a fifth spring 27, a T-shaped round rod 28, a T-shaped fixture block 29 and a limiting groove 30, a square groove is formed in the front end of the bottom plate 1, the moving plate 3 is slidably mounted in the square groove, the first rack 25 is fixedly mounted at the front end of the moving plate 3, the fifth spring 27 is fixedly mounted in the square groove, the second rack 26 is fixedly mounted at one end of the fifth spring 27, one end of the second rack 26 is meshed with the first rack 25, the T-shaped round rod 28 is slidably mounted at the right end of the bottom plate 1, one end of the T-shaped round rod 28 extends into the square groove to be fixedly connected with the second rack 26, two limiting grooves 30 are symmetrically formed at one end of the T-shaped round rod 28, the two T-shaped fixture blocks 29 are symmetrically and fixedly mounted at the right end of the bottom plate 1, the T-shaped fixture block 29 is mounted in the limiting groove 30, and when one side of paper needs to be uniformly punched, a user rotates the T-shaped round rod 28, the T-shaped round rod 28 rotates to drive the cylinder 31 to rotate through the strip-shaped rod and the strip-shaped groove, the cylinder 31 rotates to extrude the reset coil spring 32, the cylinder 31 rotates to drive the first magnetic square 33 to move to be attached to the second magnetic square 34 in an adsorption mode, the adsorption force between the first magnetic square 33 and the second magnetic square 34 is larger than the torsion force of the reset coil spring 32, the position of the T-shaped round rod 28 is further fixed, the T-shaped clamping block 29 is located in the square through groove on the limiting groove 30 at the moment, the moving plate 3 is horizontally pushed, the moving plate 3 moves to drive the first rack 25 to move, the second rack 26 is further extruded, the second rack 26 moves to extrude the fifth spring 27, the second rack 26 moves to drive the T-shaped round rod 28 to move, the T-shaped clamping block 29 is located in the square through groove at the moment, the movement of the T-shaped round rod 28 is further facilitated, the elasticity of the fifth rack 26 is facilitated to move, the second rack 26 to reset to be meshed with the first rack 25 again, and then the position of the moving plate 3 is fixed, when the moving plate 3 moves to a proper position, a user reversely rotates the T-shaped rod 7, so that the first magnetic square 33 moves to be separated from the second magnetic square 34, under the action of the torsion of the reset coil spring 32, the cylinder 31 rotates to drive the T-shaped round rod 28 to rotate, so that the T-shaped clamping block 29 moves to the inside of the arc groove, and further the second rack 26 and the T-shaped round rod 28 are prevented from moving.

A through groove 11 is formed in the annular side surface of the guide rod 5, more than two clamping grooves 12 are uniformly formed in the lower side of the side surface of the guide rod 5, one end of each clamping groove 12 is communicated with the through groove 11, and the size of the cross section of each clamping groove 12 is the same as that of the cross section of the clamping block 9; a third spring 19 is fixedly installed at the bottom end of the moving rod 15, and a pressing plate 20 is fixedly installed at the bottom end of the third spring 19; the middle position of the top end of the moving rod 15 is provided with a cylindrical groove, the bottom end of the screw rod 13 extends into the cylindrical groove, the annular side surface of the screw rod 13 is provided with an annular groove 24, one end of the moving rod 15 is slidably provided with a T-shaped block 21, the circular side surface of the T-shaped block 21 is provided with a spring four 22, two ends of the spring four 22 are fixedly arranged on the T-shaped block 21 and the moving rod 15 respectively, one end of the T-shaped block 21 extends into the cylindrical groove, one end of the T-shaped block 21 is fixedly provided with a square block 23, one end of the square block 23 extends into the annular groove 24, the upper end and the lower end of the square block 23 are symmetrically provided with balls, the spherical side surfaces of the balls are attached to the top end and the bottom end inside the annular groove 24, the clamping block 9 is clamped inside the annular groove 24 by the elasticity of the spring four 22, and the screw rod 13 is conveniently connected with the moving rod 15 in a rotating mode; the limiting groove 30 is composed of square through grooves and arc grooves, two square through grooves and two arc grooves are symmetrically formed in one end of the T-shaped round rod 28, and one end of each square through groove is communicated with the arc groove; a cylinder 31 is arranged on the annular side surface of the T-shaped round rod 28, a reset coil spring 32 is arranged on the annular side surface of the cylinder 31, the outer side of the reset coil spring 32 is fixedly arranged in the bottom plate 1, a first magnetic square 33 is fixedly arranged on the annular side surface of the cylinder 31, a second magnetic square 34 is fixedly arranged in the bottom plate 1, and the first magnetic square 33 and the second magnetic square 34 are positioned in the same vertical plane; two strip-shaped rods are symmetrically and fixedly arranged on the annular side surface of the T-shaped round rod 28, two strip-shaped grooves are symmetrically formed in the cylinder 31, and the strip-shaped rods are arranged in the strip-shaped grooves; more than two balls are uniformly arranged in the circular ring 6, and the spherical side surfaces of the balls are attached to the annular side surface of the guide rod 5; the adjusting mechanisms are two groups, the two groups of adjusting mechanisms are identical in structure, and the two groups of adjusting mechanisms are respectively installed on the two U-shaped blocks 4.

This application is when using, and horizontal pulling U type piece 4, when U type piece 4 removed to suitable position, upwards promotes T type pole 7, and T type pole 7 removes and drives fixture block 9 and magnetic path 10 separation, and under the effect of spring 8 elasticity, inside T type pole 7 removed and drives fixture block 9 and remove and get into another draw-in groove 12, and then fixes ring 6 on guide arm 5, realizes U type piece 4's rigidity.

The screw 13 moves downwards along the nut 14, the screw 13 moves to drive the moving rod 15 to move, the moving rod 15 moves to drive the sliding block 16 to move along the round rod 17, the sliding block 16 moves to extrude the second spring 18, the elastic force of the second spring 18 facilitates the moving and resetting of the moving rod 15, the moving rod 15 moves downwards to drive the pressing plate 20 to move to be attached to paper and extrude the third spring 19, and the elastic force of the third spring 19 improves the pressing and holding effect of the pressing plate 20 on the paper.

The movable plate 3 is horizontally pushed, the movable plate 3 moves to drive the first rack 25 to move, then the second rack 26 is extruded, the second rack 26 moves to extrude the fifth spring 27, the second rack 26 moves to drive the T-shaped round rod 28 to move, the T-shaped clamping block 29 is located inside the square through groove at the moment, and then the T-shaped round rod 28 is convenient to move, the fifth spring 27 is convenient for the second rack 26 to move, reset and re-meshed with the first rack 25, and then the position of the movable plate 3 is fixed, when the movable plate 3 moves to a proper position, a user reversely rotates the T-shaped rod 7, so that the first magnetic square 33 moves to be separated from the second magnetic square 34, under the effect of the torsion of the reset coil spring 32, the cylinder 31 rotates to drive the T-shaped round rod 28 to rotate, so that the T-shaped clamping block 29 moves to the inside the arc groove, and further the second rack 26 and the T-shaped round rod 28 are prevented from moving.

The application has the advantages that:

1. horizontal pulling U type piece, when U type piece removed to suitable position, upwards promoted T type pole, T type pole removes and drives fixture block and magnetic path separation, and under the effect of spring elasticity, inside T type pole removal drove the fixture block and removes and get into another draw-in groove, and then fixes the ring on the guide arm, realized the rigidity of U type piece, solved and lacked adjustment mechanism, caused the inconvenient position of fixing U type piece of adjusting, and then the inconvenient problem that is applicable to not unidimensional paper.

2. The screw rod moves down along the nut, the screw rod removes and drives the carriage release lever removal, the carriage release lever removes and drives the slider and removes along the round bar, the slider removes and extrudees spring two, the removal that the elasticity of spring two is convenient for the carriage release lever resets, the carriage release lever removes with the pressure clamp and the paper laminating in-process, and extrude spring three, spring three's elasticity has improved the clamp plate and has held the effect to the pressure of paper, it lacks fixture to have solved, it is fixed to cause inconvenient centre gripping that superposes to the paper, and then cause the drawback of paper dislocation of punching easily.

3. The movable plate is horizontally pushed, the movable plate moves to drive the rack I to move so as to extrude the rack II, the rack II moves to extrude the spring five, the rack II moves to drive the T-shaped round rod to move, the T-shaped clamping block is positioned in the square through groove at the moment so as to facilitate the movement of the T-shaped round rod, the elasticity of the spring five facilitates the movement and resetting of the rack II to be meshed with the rack I again so as to fix the position of the movable plate, when the movable plate moves to a proper position, a user reversely rotates the T-shaped rod so as to separate the movement of the magnetic square I from the movement of the magnetic square II, under the action of the torsion of a reset coil spring, the cylinder rotates to drive the T-shaped round rod to rotate, so that the T-shaped clamping block moves to the inside of the arc groove, and further the movement of the rack II and the T-shaped round rod is avoided, the problem that the fixed movable plate is inconvenient to adjust the position of the fixed movable plate due to lack of the fixed mechanism is solved, and further the inconvenience that the uniform punching is carried out on the same side of the edge position of paper, thereby reducing the problem of practicality.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. The utility model provides a high financial accounting puncher of security which characterized in that: the punching machine comprises a bottom plate (1), a punching machine main body (2), a movable plate (3), a U-shaped block (4), an adjusting mechanism, a clamping mechanism and a fixing mechanism, wherein the punching machine main body (2) is fixedly installed on the left side of the top end of the bottom plate (1), the movable plate (3) is installed in the bottom plate (1) in a sliding mode, two ends of the movable plate (3) extend to the outer side of the bottom plate (1), and the U-shaped block (4) is symmetrically installed at the front end and the rear end of the top end of the movable plate (3);

the adjusting mechanism comprises a guide rod (5), a circular ring (6), a T-shaped rod (7), a spring I (8), a clamping block (9) and a magnetic block (10), a rectangular groove is formed in the middle of the top end of the bottom plate (1), a guide rod (5) is fixedly arranged in the rectangular groove, a circular ring (6) is arranged on the annular side surface of the guide rod (5), a T-shaped rod (7) is slidably mounted at the top end of the U-shaped block (4), a first spring (8) is mounted on the annular side surface of the T-shaped rod (7), two ends of the first spring (8) are respectively and fixedly arranged on the top end of the U-shaped block (4) and the T-shaped rod (7), the bottom end of the T-shaped rod (7) passes through the U-shaped block (4), the circular ring (6) and the guide rod (5), a clamping block (9) is fixedly installed at the bottom end of the T-shaped rod (7), a magnetic block (10) is fixed at the bottom end inside the circular ring (6), and the top end of the magnetic block (10) is vertically aligned with the bottom end of the clamping block (9);

the clamping mechanism comprises a screw rod (13), a nut (14), a moving rod (15), a sliding block (16), a round rod (17) and a second spring (18), the screw rod (13) is installed at the top end of the U-shaped block (4) in a rotating mode, the nut (14) is installed on the annular side face of the screw rod (13), the outer side of the nut (14) is fixedly installed inside the U-shaped block (4), the moving rod (15) is installed inside the U-shaped block (4) in a sliding mode, the bottom end of the screw rod (13) extends to the inside of the U-shaped block (4) and is connected with the top end of the moving rod (15) in a rotating mode, the moving rod (15) is close to two symmetrical and fixedly installed sliding blocks (16) at one end of the U-shaped block (4), two grooves are symmetrically formed inside the U-shaped block (4), the round rod (17) is fixedly installed inside the grooves, the second spring (18) and the sliding block (16) are installed on the annular side face of the round rod (17), two ends of the second spring (18) are respectively and fixedly arranged in the groove and at the bottom end of the sliding block (16);

the fixing mechanism comprises a first rack (25), a second rack (26), a fifth spring (27), a T-shaped round rod (28), a T-shaped fixture block (29) and a limiting groove (30), the front end of the bottom plate (1) is provided with a square groove, the inside of the square groove is slidably provided with the movable plate (3), the front end of the movable plate (3) is fixedly provided with the first rack (25), the inside of the square groove is fixedly provided with the fifth spring (27), one end of the fifth spring (27) is fixedly provided with the second rack (26), one end of the second rack (26) is meshed with the first rack (25), the right end of the bottom plate (1) is slidably provided with the T-shaped round rod (28), one end of the T-shaped round rod (28) extends to the inside of the square groove to be fixedly connected with the second rack (26), one end of the T-shaped round rod (28) is symmetrically provided with the two limiting grooves (30), and the right end of the bottom plate (1) is symmetrically and fixedly provided with the two T-shaped fixture blocks (29), and the T-shaped fixture block (29) is arranged in the limiting groove (30).

2. A highly safe financial accounting punch as claimed in claim 1, wherein: the guide rod (5) is provided with a through groove (11) on the annular side surface, more than two clamping grooves (12) are uniformly formed in the lower side of the side surface of the guide rod (5), one end of each clamping groove (12) is communicated with the through groove (11), and the cross section of each clamping groove (12) is the same as that of each clamping block (9).

3. A highly safe financial accounting punch as claimed in claim 1, wherein: and a third spring (19) is fixedly installed at the bottom end of the moving rod (15), and a pressing plate (20) is fixedly installed at the bottom end of the third spring (19).

4. A highly safe financial accounting punch as claimed in claim 1, wherein: the cylinder groove has been seted up to carriage release lever (15) top intermediate position, screw rod (13) bottom extends to the cylinder inslot portion, annular (24) have been seted up on screw rod (13) annular side, carriage release lever (15) one end slidable mounting has T type piece (21), install four (22) springs on the circular side of T type piece (21), and four (22) both ends of spring fixed mounting respectively on T type piece (21) and on carriage release lever (15).

5. A high security puncher for financial accounting according to claim 4 characterized in that: t type piece (21) one end extends to inside the cylindrical trough, and T type piece (21) one end fixed mounting has square (23), square (23) one end extends to inside annular (24), the ball is installed to both ends symmetry about square (23), and the spherical side of ball laminates with inside top and inside bottom of annular (24) mutually.

6. A highly safe financial accounting punch as claimed in claim 1, wherein: the limiting groove (30) is composed of square through grooves and arc grooves, two square through grooves and two arc grooves are symmetrically formed in one end of the T-shaped round rod (28), and one end of each square through groove is communicated with the arc groove.

7. A highly safe financial accounting punch as claimed in claim 1, wherein: install drum (31) on T type round bar (28) annular side, install reset coil spring (32) on drum (31) annular side, and reset coil spring (32) outside fixed mounting inside bottom plate (1), fixed mounting has magnetism side one (33) on drum (31) annular side, bottom plate (1) inside fixed mounting has magnetism side two (34), and magnetism side one (33) and magnetism side two (34) are inside same vertical plane.

8. A highly safe financial accounting punch as claimed in claim 7, wherein: two strip-shaped rods are symmetrically and fixedly installed on the annular side face of the T-shaped round rod (28), two strip-shaped grooves are symmetrically formed in the cylinder (31), and the strip-shaped rods are installed in the strip-shaped grooves.

9. A highly safe financial accounting punch as claimed in claim 1, wherein: more than two balls are uniformly arranged in the circular ring (6), and the spherical side surfaces of the balls are attached to the annular side surface of the guide rod (5).

10. A highly safe financial accounting punch as claimed in claim 1, wherein: the adjusting mechanisms are two groups, the two groups of adjusting mechanisms are identical in structure, and the two groups of adjusting mechanisms are respectively installed on the two U-shaped blocks (4).

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