CN214871066U

CN214871066U - Automatic three-hole punching machine

Info

Publication number: CN214871066U
Application number: CN202121857227.XU
Authority: CN
Inventors: 陈为雷
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2021-11-26
Anticipated expiration: 2031-08-10

Abstract

The utility model discloses an automatic three-hole perforating machine, which comprises a base plate, wherein a top plate is arranged at the top of the base plate, a support frame is further fixed between the four corners of the bottom end surface of the top plate and the base plate, a processing seat is arranged at the inner side of the support frame, a motor is arranged at the top of the processing seat, the output end of the motor extends to the inside of the processing seat, and a shaft sleeve is further arranged on the output end, wherein the shaft sleeve is of a hollow cylinder structure, and a pin hole is further formed in the side edge of the bottom of the shaft sleeve; through the designed shaft sleeve and the pin hole, the multifunctional punching cutter can be replaced, the mounting stability can be ensured, the product practicability is improved, and the multifunctional punching cutter is suitable for various punching operations; the deviation of the paper pressing plate can be prevented and the stability of the equipment can be improved through the designed optical axis, the U-shaped groove and the main shaft; through the designed positioning bearing, the concentricity can be ensured in the processing, the shake of the knife sleeve set during high-speed operation is reduced, the knife breakage is avoided, and the product noise is reduced.

Description

Automatic three-hole punching machine

Technical Field

The utility model belongs to the technical field of the puncher, concretely relates to automatic three hole puncher.

Background

The puncher has wide application range and is used in all industries, wherein the puncher can be used in the binding of paper, and the subsequent binding cost work can be completed by punching the edge of a workplace.

When the existing punching machine is used, the following defects exist:

1. the connecting structure between the cutter head and the motor is complicated, and the later replacement and maintenance are not easy;

2. the phenomenon of offset exists in the processing of a paper pressing plate in the existing punching machine, and the processing precision is influenced;

3. when the motor rotates at a high speed, the concentricity between the top of the cutter head and the motor is insufficient, vibration is generated, and the cutter head is easy to break;

4. the punching precision is not enough, and the height of the infrared equipment cannot be adjusted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic three hole puncher to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic three hole puncher, includes the bottom plate, the top of bottom plate is provided with the roof, still is fixed with the support frame between the bottom face four corners department and the bottom plate of roof, the inboard of support frame is provided with the processing seat, the motor is installed at the top of processing seat, the output of motor extends to the inside of processing seat, and still installs the axle sleeve on the output, and wherein the axle sleeve is hollow cylinder structure, and has still seted up the pinhole at the bottom side of axle sleeve, the inside card of axle sleeve has been gone into there is the tool bit, the inside of pinhole runs through have with the connecting piece that the tool bit is fixed, and this connecting piece includes the bolt, the axle sleeve is provided with two at least location bearings on the surface that the processing seat is inside, and two location bearings laminate with the upper and lower inner wall of processing seat respectively.

Preferably, the both ends of processing seat are fixed with the main shaft, the bottom face edge at the roof is fixed to the one end of main shaft, and the other end is fixed in the top face edge of bottom plate, still is provided with the nipper on the bottom face of processing seat, the symmetry is fixed with the optical axis between the top both sides of nipper and the processing seat, the surface cover of optical axis is equipped with the spring U type groove has been seted up to the both ends department of nipper, the main shaft is in the inboard in U type groove.

Preferably, the diameter of the main shaft is equal to the width of the inner side of the U-shaped groove.

Preferably, the surface of the bottom plate is provided with a through hole, and the circle center of the through hole and the circle center of the shaft sleeve are positioned on the same vertical line.

Preferably, the rear surface of processing seat installs the installing support of tilting, the bottom of installing support extends to the outside of processing seat, still install a plurality of infrared laser on the bottom face of processing seat, every infrared laser all is in the midpoint department of every two adjacent axle sleeves.

Preferably, the installing support comprises plate body one and plate body two, and wherein the end fixing of plate body two has the connecting plate, the apical pore that supplies the connecting plate card to go into is seted up to the bottom of plate body one, and the both sides of this apical pore are link up and have been seted up the wall groove, the top both sides threaded connection of connecting plate has the fixing stud who runs through to the wall groove outside, fixing stud is in one of plate body one outside serves the cover and is equipped with and be used for spacing stop nut.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the designed shaft sleeve and the pin hole, the multifunctional punching cutter can be replaced, the mounting stability can be ensured, the product practicability is improved, and the multifunctional punching cutter is suitable for various punching operations;

2. the deviation of the paper pressing plate can be prevented and the stability of the equipment can be improved through the designed optical axis, the U-shaped groove and the main shaft;

3. the designed positioning bearing can ensure concentricity during processing, reduce the shake of the tool sleeve set during high-speed operation, avoid tool breakage and reduce the noise of products;

4. by the designed infrared laser and the adjustable mounting bracket, a cross-shaped infrared positioning point can be formed in the machining process, so that reasonable positioning is provided for punching, and punching precision is improved;

5. the paper pressing plate is suspended, and the rear part of the bottom plate is not shielded, so that the position of paper can be adjusted, and the punching range is wider.

Drawings

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

fig. 2 is a rear view of the present invention;

fig. 3 is a partial cross-sectional view of the shaft sleeve of the present invention;

FIG. 4 is an enlarged schematic view of the area A of FIG. 1 according to the present invention;

fig. 5 is a schematic view of the installation position of the positioning bearing of the present invention;

fig. 6 is a side view of the present invention;

fig. 7 is a cross-sectional view of the mounting bracket of the present invention.

In the figure: 1. a top plate; 2. a motor; 3. a main shaft; 4. a support frame; 5. a base plate; 6. an optical axis; 7. a spring; 8. a pin hole; 9. a shaft sleeve; 10. pressing a paper board; 11. a U-shaped groove; 12. positioning the bearing; 13. mounting a bracket; 131. a first plate body; 132. a second plate body; 14. an infrared laser; 15. processing a base; 16. a wall groove; 17. a limit nut; 18. a connecting plate; 19. and fixing the stud.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 7, the present invention provides a technical solution: an automatic three-hole punching machine comprises a bottom plate 5, a top plate 1 is arranged at the top of the bottom plate 5, a support frame 4 is further fixed between the four corners of the bottom end face of the top plate 1 and the bottom plate 5, a processing seat 15 is arranged on the inner side of the support frame 4, a motor 2 is arranged at the top of the processing seat 15, the output end of the motor 2 extends into the processing seat 15, a shaft sleeve 9 is further arranged on the output end, the shaft sleeve 9 is of a hollow cylinder structure, a pin hole 8 is further formed in the side edge of the bottom of the shaft sleeve 9, a multipurpose punching knife can be replaced through the designed shaft sleeve 9 and the pin hole 8, the installation stability can be ensured, the practicability of the product is improved, the automatic three-hole punching machine is suitable for various punching operations, a knife head is clamped into the inside of the shaft sleeve 9, a connecting piece fixed with the knife head penetrates through the inside of the pin hole 8, the connecting piece comprises a bolt, at least two positioning bearings 12 are arranged on the surface of the shaft sleeve 9, which is positioned inside the processing seat 15, through the positioning bearing 12 of design, can guarantee the concentricity in the processing, reduce the shake of knife tackle group when high-speed operation, avoid disconnected sword, and reduced the product noise, and two positioning bearing 12 respectively with the upper and lower inner wall laminating of processing seat 15.

In this embodiment, it is preferred, both ends of processing seat 15 are fixed with main shaft 3, the bottom face edge at roof 1 is fixed to the one end of main shaft 3, the other end is fixed in the top face edge of bottom plate 5, still be provided with nipper 10 on the bottom face of processing seat 15, nipper 10 is unsettled, and bottom plate 5 rear portion does not have the sheltering from, make the paper position adjustable, the scope of punching is more extensive, top both sides of nipper 10 and processing seat 15 between the symmetry be fixed with optical axis 6, optical axis 6 through the design, U type groove 11 and main shaft 3, can prevent nipper 10 off tracking and increase the equipment steadiness, the surface cover of optical axis 6 is equipped with spring 7, U type groove 11 has been seted up in nipper 10's both ends department, main shaft 3 is in the inboard of U type groove 11.

In this embodiment, the diameter of the spindle 3 is preferably equal to the inner width of the U-shaped groove 11, so as to avoid shaking caused by a gap between the spindle and the U-shaped groove.

In this embodiment, preferably, a through hole is formed in the surface of the bottom plate 5, and the center of the through hole and the center of the shaft sleeve 9 are located on the same vertical line.

In this embodiment, preferably, the rear surface of the processing seat 15 is provided with the inclined mounting bracket 13, the bottom of the mounting bracket 13 extends to the outside of the processing seat 15, the bottom end face of the processing seat 15 is also provided with a plurality of infrared lasers 14, the infrared lasers 14 through design and the adjustable mounting bracket 13 can form a cross-shaped infrared positioning point in the processing process, thereby providing reasonable positioning for punching, improving punching accuracy, and each infrared laser 14 is located at the middle point of every two adjacent shaft sleeves 9.

In this embodiment, preferably, the mounting bracket 13 is composed of a first plate body 131 and a second plate body 132, wherein the end portion of the second plate body 132 is fixed with a connecting plate 18, a top hole for the connecting plate 18 to be clamped in is formed in the bottom end of the first plate body 131, so as to achieve adjustment of the mounting bracket 13, wall grooves 16 are formed in the two sides of the top hole in a penetrating manner, fixing studs 19 penetrating through the wall grooves 16 are connected to the two sides of the top of the connecting plate 18 in a threaded manner, and are used for locking and fixing in the later period, one end of the fixing stud 19, which is located outside the first plate body 131, is sleeved with a limiting nut 17 for limiting, and the second plate body 132 with the adjusted position is fixed.

The utility model discloses a theory of operation and use flow: when the utility model is used, the types of the tool bits are selected according to the actual requirement of punching, wherein the tool bits comprise a twist knife and a hollow knife, the top of the tool bit is clamped into the shaft sleeve 9 in installation and is fixed with the tool bit through the pin hole 8 by an external bolt, then the height of the mounting bracket 13 is adjusted, in adjustment, the limit nut 17 is loosened firstly, then the plate body II 132 is pulled, the connecting plate 18 is separated from the inside of the top hole, meanwhile, the fixing stud 19 moves in the wall groove 16, after the mounting bracket is moved to a proper position, the limit nut 17 is screwed, the limit nut 17 is in threaded connection with the fixing stud 19 and is tightly abutted against the side edge of the plate body I131, after adjustment, the external infrared emitter is mounted on the mounting bracket 13, and the cross point is formed by the infrared emitter and the infrared laser 14 at the through hole on the bottom plate 5, then, the paper to be punched is placed on the top end face of the bottom plate 5, in the placement process, because the paper pressing plate 10 is not in contact with the top end face of the bottom plate 5, the paper can move on the bottom plate 5 at this time, in the moving process, the punching position can be determined through a cross point, after the paper moves to a specified position, the power assembly at the rear part of the device drives the machining seat 15 to move downwards, at this time, the paper pressing plate 10 moves on the main shaft 3 through the U-shaped grooves 11 at the two ends, so that the paper pressing plate 10 is limited until the bottom end face of the paper pressing plate 10 presses the paper, meanwhile, the output end of the motor 2 drives the shaft sleeve 9 to move, the shaft sleeve 9 drives the cutter head to move, so that the paper is punched, and in the rotation of the motor 2, the concentricity among the motor 2, the shaft sleeve 9 and the cutter head is ensured through the positioning bearing 12, so that vibration and noise are avoided.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic three hole puncher, includes bottom plate (5), the top of bottom plate (5) is provided with roof (1), still is fixed with support frame (4) between the bottom face four corners department of roof (1) and bottom plate (5), the inboard of support frame (4) is provided with processing seat (15), motor (2), its characterized in that are installed at the top of processing seat (15): the output of motor (2) extends to the inside of processing seat (15), and still installs axle sleeve (9) on the output, and wherein axle sleeve (9) are hollow cylinder structure, and pinhole (8) have still been seted up at the bottom side of axle sleeve (9), the inside card of axle sleeve (9) is gone into there is the tool bit, the inside of pinhole (8) is run through have with the fixed connecting piece of tool bit, and this connecting piece includes the bolt, axle sleeve (9) are in processing seat (15) inside be provided with two at least positioning bearing (12) on the surface, and two positioning bearing (12) laminate with the upper and lower inner wall of processing seat (15) respectively.

2. An automatic three-hole punch according to claim 1, wherein: the both ends of processing seat (15) are fixed with main shaft (3), the bottom face edge at roof (1) is fixed to the one end of main shaft (3), and the top face edge at bottom plate (5) is fixed to the other end, still is provided with nipper (10) on the bottom face of processing seat (15), the symmetry is fixed with optical axis (6) between the top both sides of nipper (10) and processing seat (15), the surface cover of optical axis (6) is equipped with spring (7) U type groove (11) have been seted up in the both ends department of nipper (10), main shaft (3) are in the inboard of U type groove (11).

3. An automatic three-hole punch according to claim 2, wherein: the diameter of the main shaft (3) is equal to the width of the inner side of the U-shaped groove (11).

4. An automatic three-hole punch according to claim 1, wherein: the surface of the bottom plate (5) is provided with a through hole, and the circle center of the through hole and the circle center of the shaft sleeve (9) are positioned on the same vertical line.

5. An automatic three-hole punch according to claim 1, wherein: the rear surface mounting of processing seat (15) has installing support (13) of tilting, the bottom of installing support (13) extends to the outside of processing seat (15), still install a plurality of infrared laser instrument (14) on the bottom face of processing seat (15), every infrared laser instrument (14) all are in the mid point department of every two adjacent axle sleeves (9).

6. An automatic three-hole punch according to claim 5, wherein: installing support (13) comprise plate body one (131) and plate body two (132), wherein the end fixing of plate body two (132) has connecting plate (18), the apical pore that supplies connecting plate (18) card to go into is seted up to the bottom of plate body one (131), and the both sides of this apical pore link up and have seted up wall groove (16), the top both sides threaded connection of connecting plate (18) has run through to the outside fixing stud (19) of wall groove (16), fixing stud (19) are in one of plate body one (131) outside and serve the cover and be equipped with and be used for spacing stop nut (17).