CN116921737B

CN116921737B - Spanner puncher

Info

Publication number: CN116921737B
Application number: CN202311144286.6A
Authority: CN
Inventors: 李凯霞; 陈勇; 沈樟高
Original assignee: Hangzhou Yongfeng Tools Co ltd
Current assignee: Hangzhou Yongfeng Tools Co ltd
Priority date: 2023-09-06
Filing date: 2023-09-06
Publication date: 2024-02-02
Anticipated expiration: 2043-09-06
Also published as: CN116921737A

Abstract

The invention discloses a spanner perforating machine, which relates to the technical field of perforating machines and comprises a platform, a vertical support fixedly connected to the platform, a host machine vertically arranged on the vertical support in a sliding manner, a drill bit rotatably arranged on the host machine and a clamping device for clamping a workpiece, wherein the clamping device is arranged on a sliding block, a sliding rail is fixedly arranged on the platform, the sliding block is arranged on the sliding rail in a sliding manner, a driving device for pushing the sliding block is arranged on the platform, the driving device comprises a driving screw rod penetrating through the sliding block and a driving motor fixedly arranged on the platform, and the driving screw rod is in threaded connection with the sliding block. The application has the effect of promoting puncher drilling and arranging a plurality of hole drilling efficiency with arranging.

Description

Spanner puncher

Technical Field

The invention relates to the field of punchers, in particular to a spanner puncher.

Background

Along with the rapid development of the manufacturing industry in China, the requirement on a hole puncher in the mechanical manufacturing industry is also increasing, the hole puncher is mainly used for equipment for drilling workpieces, the common hole puncher is a bench drill, and the hole puncher is widely applied in the mechanical manufacturing industry.

When the workpiece is drilled, the workpiece is usually fixed on a drilling platform through a clamping device, a wrench is rotated to enable a host machine with a main motor and a rotary drill bit to move downwards on a vertical support, the drill bit drills the workpiece, after the hole depth reaches the requirement, the wrench is released, and the host machine drives the drill bit to move upwards, so that the drill bit is separated from the workpiece.

In order to improve the accuracy of the drilling position of the workpiece, the workpiece is usually fixed on a clamping device, but when a plurality of holes are required to be drilled on the workpiece in the same row, the workpiece is required to be clamped for a plurality of times, so that the drilling efficiency is reduced.

Disclosure of Invention

In order to reduce the clamping number of times of work piece, promote the drilling efficiency of puncher drilling with arranging a plurality of holes, this application provides a spanner puncher.

The application provides a spanner puncher adopts following technical scheme:

the utility model provides a spanner puncher, includes platform, fixed connection in vertical pillar on the platform, vertical slip set up in host computer on the vertical pillar, rotate set up in drill bit on the host computer and be used for the clamping device of centre gripping work piece, install the slider on the clamping device, fixed mounting has the slide rail on the platform, the slider slip set up in on the slide rail, be provided with on the platform and be used for promoting the drive arrangement of slider, drive arrangement including wear to locate drive screw and fixed mounting of slider in drive motor on the platform, drive screw with slider threaded connection.

Through adopting above-mentioned technical scheme, after one of them hole on the work piece is beaten, start driving motor, driving motor can drive the slider and slide on the slide rail to make another punching position of work piece be located under the drill bit, because drive screw and slider threaded connection, the slider removes on the slide rail when hindering driving motor to close, consequently, when need bore a plurality of holes at same row on the work piece, only need carry out clamping work to the work piece, thereby promoted the drilling efficiency of puncher.

Preferably, a control device is arranged on the platform, the control device comprises a vertical rod fixedly arranged on the platform, a mounting seat is fixedly connected on the vertical rod, a first sliding groove is formed in the side surface, close to the host, of the mounting seat, a second sliding groove is formed in the inner wall, far away from the host, of the first sliding groove, a fixed contact piece structure is arranged in the mounting seat, the fixed contact piece structure comprises a sliding fixed contact piece which is embedded in the first sliding groove and is far away from the inner wall of the host, fixed contact pieces and the fixed contact pieces keep contact with each other, the sliding fixed contact piece is arranged in the second sliding groove in a sliding manner, the first sliding groove is far away from the inner wall of the host, two yielding grooves are respectively formed in the top and the bottom of the second sliding groove, two yielding grooves are respectively communicated with the second sliding groove, an adjusting mechanism for adjusting the position of the sliding contact piece is arranged on the mounting seat, a control rod is arranged on the first sliding contact piece, the control rod is far away from the first sliding contact piece, the control rod is electrically connected with one end of the trigger post, the trigger rod is electrically connected with the trigger platform, the trigger rod is arranged on the trigger rod, the trigger rod is electrically connected with the trigger rod, the trigger rod is horizontally arranged on the trigger rod, and the trigger rod is electrically connected with the trigger rod is horizontally arranged on the trigger rod, the other electrode of the first power supply is electrically connected with the fixed contact.

Through adopting above-mentioned technical scheme, when the host computer is located the top of vertical stroke, the puncher is in non-operating condition, the trigger lever level passes first sliding tray and inserts the inslot of stepping down of locating in first sliding tray top, when the staff rotates the spanner, make the host computer and when drilling the work piece with drill bit downstream, the trigger lever is inconsistent with the inner wall that the host computer was kept away from to first sliding tray, the trigger lever upwards swings under the interference effect with first sliding tray inner wall this moment, until the drill bit reaches the predetermined degree of depth in hole, the control lever inserts the inslot of stepping down of locating in first sliding tray below this moment, and the control lever resumes the horizontality under the elasticity effect of reply mechanism. After the spanner is released, the host computer upwards resets to under the effect of tensile damping pole, the host computer drives the control lever at uniform velocity slowly upwards removes, and the movable contact piece on the trigger lever can be inconsistent with first sliding tray inner wall, fixed contact piece and slip fixed contact piece this moment, and at the length distance's of movable contact piece slip fixed contact piece structure in-process, driving motor's electric loop is switched on, and after the movable contact piece breaks away from fixed contact piece structure, driving motor's electric loop disconnection makes the main part at the in-process that resets, driving motor automatic drive slider slides specific distance, the operation of being convenient for.

Preferably, the adjusting mechanism comprises an adjusting screw vertically penetrating through the lower portion of the mounting seat, the adjusting screw is in threaded connection with the mounting seat, and the top end of the adjusting screw is rotatably arranged on the sliding fixed contact piece.

Through adopting above-mentioned technical scheme, when rotating adjusting screw, the slip is decided the contact and can be slided in the second sliding tray to make the length of deciding the contact structure can be adjusted, thereby control the time of braking contact and deciding the contact structure contact, make the pitch of hole of work piece can be adjusted.

Preferably, a bar-shaped hole is formed in the inner wall of the second sliding groove, an indication rod is slidably arranged in the bar-shaped hole, one end of the indication rod is fixed on the sliding fixed contact piece, one end, far away from the sliding fixed contact piece, of the indication rod is fixed with a pointer, and scales are arranged on the side face of the mounting seat.

Through adopting above-mentioned technical scheme, at the in-process of adjusting the slip fixed contact position, the distance that the slider slid at every turn is read in the instruction of pointer that can be more convenient.

Preferably, the control rod is far away from the mounting groove is formed in the side face of the host, the trigger rod is close to one end of the control rod, which is provided with a mounting hole, the restoring mechanism comprises a rotating shaft arranged in the mounting hole and a coil spring wound on the rotating shaft, the coil spring is positioned in the mounting hole, one end of the coil spring is fixed on the rotating shaft, and the other end of the coil spring is fixed on the inner peripheral wall of the mounting hole.

Through adopting above-mentioned technical scheme, the one end of wind spring is fixed in the pivot, and the other end of wind spring is fixed in on the interior perisporium of mounting hole to make the trigger lever under no exogenic action, keep the horizontality.

Preferably, the platform is further provided with a resetting device, the resetting device comprises a fixing seat fixedly connected to the platform, a vertical groove is formed in the top surface of the fixing seat, a control block is arranged in the vertical groove in a sliding mode, a spring used for preventing the control block from sliding downwards is arranged in the vertical groove, a triggering stator is embedded in the inner wall of the vertical groove, a triggering moving plate which can be in contact with the triggering stator is embedded in the control block, a second power supply and a reversing module are fixedly connected to the fixing seat, one binding post of the driving motor is electrically connected with the triggering stator, the other binding post of the driving motor is electrically connected with one binding post of the reversing module, the other binding post of the reversing module is electrically connected with one binding post of the second power supply, and the other binding post of the second power supply is electrically connected with the triggering moving plate.

Through adopting above-mentioned technical scheme, after the hole on the work piece all drills, loosen the spanner and make the main part reset to the top after, the lower pressure control piece makes the control piece slide to vertical inslot to it is inconsistent with triggering the stator to make the movable plate trigger, make driving motor's electrical circuit closed, and reverse rotation under reversing module's effect, make the slider reset to driving screw's one end that is close to driving motor.

Preferably, a rotating disc is fixedly connected to the driving screw.

Preferably, the platform is fixedly connected with a fixing plate, and the driving screw is rotatably arranged on the fixing plate.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after one of the holes on the workpiece is drilled, the driving motor is started, and the driving motor can drive the sliding block to slide on the sliding rail, so that the other drilling position of the workpiece is positioned right below the drill bit;

2. when the host computer is located the top of vertical stroke, the puncher is in non-operating condition, the trigger lever level passes first sliding tray and inserts the inslot of stepping down of locating in first sliding tray top, when the staff rotates the spanner, make the host computer and when drilling the work piece with drill bit downstream, the trigger lever is inconsistent with the inner wall that the host computer was kept away from to first sliding tray, the trigger lever upwards swings under the interference effect with first sliding tray inner wall this moment, until the drill bit reaches the predetermined degree of depth in hole, the control lever inserts the inslot of stepping down of locating in first sliding tray below this moment, and the control lever resumes the horizontality under the elasticity effect of reply mechanism. After the wrench is released, the host machine is reset upwards, and under the action of the stretching damping rod, the host machine drives the control rod to slowly move upwards at a constant speed, at the moment, the movable contact piece on the trigger rod can be in contact with the inner wall of the first sliding groove, the fixed contact piece and the sliding fixed contact piece, in the process that the movable contact piece slides over the length distance of the fixed contact piece structure, the electric loop of the driving motor is conducted, and after the movable contact piece is separated from the fixed contact piece structure, the electric loop of the driving motor is disconnected, so that the main body automatically drives the sliding block to slide for a specific distance in the resetting process, and the operation is convenient;

3. after the holes on the workpiece are drilled, the wrench is loosened to enable the main body to reset to the upper side, the control block is pressed down, the control block slides into the vertical groove, the trigger moving plate is enabled to be in contact with the trigger fixed plate, the electric loop of the driving motor is enabled to be closed, and the driving motor reversely rotates under the action of the reversing module, so that the sliding block is reset to one end of the driving screw close to the driving motor.

Drawings

Fig. 1 is a schematic overall structure of a hole punch according to an embodiment of the present application.

Fig. 2 is a cross-sectional view of a mount in an embodiment of the present application.

Fig. 3 is a cross-sectional view of a control lever and trigger lever in an embodiment of the present application.

Fig. 4 is a cross-sectional view of the mounting bracket and control block in an embodiment of the present application.

Reference numerals illustrate:

1. a platform; 11. a slide rail; 2. a vertical column; 3. a host; 31. a wrench; 4. stretching the damping rod; 5. a clamping device; 51. a slide block; 6. a driving device; 61. a driving motor; 62. driving a screw; 63. a fixing plate; 64. a rotating disc; 7. a control device; 71. a vertical rod; 72. a mounting base; 721. a first sliding groove; 722. a second sliding groove; 723. a relief groove; 724. a bar-shaped hole; 725. a scale; 73. a fixed contact structure; 731. fixing the fixed contact; 732. sliding the fixed contact; 7321. an indication rod; 7322. a pointer; 74. a control lever; 741. a mounting groove; 75. a trigger lever; 751. a mounting hole; 76. a movable contact; 77. a first power supply; 78. an adjusting mechanism; 781. adjusting a screw; 782. a knob; 79. a return mechanism; 791. a rotating shaft; 792. a coil spring; 8. a reset device; 81. a fixing seat; 811. a vertical groove; 82. a control block; 83. a spring; 84. triggering a stator; 85. triggering a moving plate; 86. a second power supply; 87. and a reversing module.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses a spanner puncher. Referring to fig. 1, the hole punch comprises a platform 1, a vertical strut 2, a main machine 3, a stretching damping rod 4, a clamping device 5, a driving device 6, a control device 7 and a resetting device 8. The platform 1 is horizontally arranged, and the vertical support column 2 is vertically fixed on the top surface of the platform 1. The host computer 3 slides vertically and sets up on vertical branch, is provided with spanner 31 on the host computer 3, rotates spanner 31 and can make host computer 3 and pivoted drill bit downwardly moving and drill the work piece.

Referring to fig. 1, a tensile damping rod 4 is vertically disposed below a main machine 3, one end of the tensile damping rod 4 is fixed on the top surface of a platform 1, the other end of the tensile damping rod 4 is fixedly connected to the main machine 3, after a drill bit drills to a predetermined depth, a wrench 31 is released, and the main machine 3 slowly rises at a constant speed under the action of the tensile damping rod 4 and returns to an initial position.

Referring to fig. 1, a clamping device 5 is fixedly mounted on the platform 1, the clamping device 5 being in this embodiment a bench vice, and the workpiece to be drilled being fixed to the punch by the clamping device 5. Two slide rails 11 are fixed on the platform 1, the two slide rails 11 are arranged in parallel, a sliding block 51 is arranged on the clamping device 5, and the sliding block 51 is arranged on the slide rails 11 in a sliding mode.

Referring to fig. 1, the driving device 6 includes a driving motor 61, a driving screw 62, a fixing plate 63, and a rotating disc 64. The driving motor 61 and the fixing plate 63 are fixedly connected to the top surface of the platform 1, the driving screw 62 horizontally penetrates through the sliding block 51, the driving screw 62 is in threaded connection with the sliding block 51, one end of the driving screw 62 is coaxially and fixedly connected to an output shaft of the driving motor 61, and the other end of the driving screw 62 is rotatably arranged on the fixing plate 63.

Referring to fig. 1, a rotating disc 64 is fixedly connected to the driving screw 62, the rotating disc 64 is located at one end of the driving screw 62 close to the motor for driving the motor, and the relative position of the workpiece and the drill bit can be finely adjusted by manually rotating the rotating disc 64, so that deviation can be corrected conveniently.

Referring to fig. 1 and 2, the control device 7 includes a vertical rod 71, a mount 72, a fixed contact structure 73, a control rod 74, a trigger rod 75, a movable contact 76, a first power source 77, and an adjustment mechanism 78. The vertical pole 71 is vertical to be set up in the one side of host computer 3, and vertical pole 71 fixed connection is on platform 1, and mount pad 72 fixed connection is in the one side that vertical pole 71 is close to host computer 3. The side surface of the mounting base 72, which is close to the host 3, is provided with a first sliding groove 721, and the inner wall of the first sliding groove 721, which is far away from the host 3, is provided with a second sliding groove 722. The inner wall of the first sliding groove 721 far away from the host 3 is further provided with two yielding grooves 723, the two yielding grooves 723 are respectively positioned at the top and the bottom of the second sliding groove 722, and the two yielding grooves 723 are communicated with the second sliding groove 722.

Referring to fig. 1 and 2, the stationary contact structure 73 includes a stationary contact 731 and a sliding stationary contact 732. The fixed contact piece 731 is embedded on the inner wall of the first sliding groove 721 far away from the host 3, the side surface of the fixed contact piece 731 is flush with the inner wall of the second sliding groove 722, the sliding fixed contact piece 732 is slidably arranged in the second sliding groove 722, and the sliding fixed contact piece 732 keeps abutting against the fixed contact piece 731 in the process that the sliding fixed contact piece 732 slides in the second sliding groove 722. The fixed contact 731 and the sliding contact 732 are flush on the side near the host 3.

Referring to fig. 1 and 2, the adjusting mechanism 78 includes an adjusting screw 781 and a knob 782, the adjusting screw 781 is vertically penetrating through the lower portion of the mounting base 72, the adjusting screw 781 is in threaded connection with the mounting base 72, and the top end of the adjusting screw 781 is rotatably disposed on the sliding fixed contact 732.

Referring to fig. 1 and 2, a bar-shaped hole 724 is formed on the inner wall of the second sliding groove 722, an indication rod 7321 is slidably disposed in the bar-shaped hole 724, one end of the indication rod 7321 is fixed on the sliding fixed contact 732, one end of the indication rod 7321, which is far away from the sliding fixed contact 732, is fixed with a pointer 7322, and a scale 725 is disposed on the side surface of the mounting seat 72.

Referring to fig. 1 and 2, the control lever 74 is horizontally fixed to the main body 3, a trigger lever 75 is provided at one end of the control lever 74 away from the main body 3 by swinging, a mounting groove 741 is provided on a side surface of the control lever 74 away from the main body 3, and a mounting hole 751 is provided at one end of the trigger lever 75 close to the control lever 74.

Referring to fig. 2 and 3, the control device 7 further includes a return mechanism 79, and the return mechanism 79 includes a rotation shaft 791 and a coil spring 792. The rotation shaft 791 is coaxially provided in the mounting hole 751, the coil spring 792 is wound around the rotation shaft 791, the coil spring 792 is located in the mounting hole 751, one end of the coil spring 792 is fixed to the rotation shaft 791, and the other end of the coil spring 792 is fixed to the inner peripheral wall of the mounting hole 751. Under the influence of the coil spring 792, the trigger lever 75 and the control lever 74 keep the control lever 74 horizontal when no external force acts.

Referring to fig. 1 and 2, one end of the trigger lever 75, which is far from the control lever 74, is provided with a movable contact 76 for contacting with the fixed contact structure 73, the movable contact 76 is located at an upper portion of the trigger lever 75 in a horizontal state, a tension damping lever 4 is provided between the main unit 3 and the platform 1, a first power supply 77 is mounted on the platform 1, the movable contact 76 is electrically connected with one of the terminals of the driving motor 61, the other terminal of the driving motor 61 is electrically connected with one of the electrodes of the first power supply 77, and the other electrode of the first power supply 77 is electrically connected with the fixed contact 731.

Referring to fig. 1 and 2, when the main body 3 is restored to the top of the vertical column 2, the trigger lever 75 is horizontally inserted into the upper escape groove 723. When the host 3 drives the drill bit to move down to the drilling depth, the trigger lever 75 is horizontally inserted into the lower yielding groove 723, and the trigger lever 75 at this time is located at one side of the adjusting screw 781.

Referring to fig. 1 and 4, the reset device 8 includes a fixed base 81, a control block 82, a spring 83, a trigger stator 84, a trigger rotor 85, a second power supply 86, and a reversing module 87. The fixing base 81 is fixedly connected to the platform 1, a vertical groove 811 is formed in the top surface of the fixing base 81, and the control block 82 is slidably disposed in the vertical groove 811.

Referring to fig. 1 and 4, the spring 83 is disposed in the vertical groove 811, one end of the spring 83 is fixed to the bottom wall of the vertical groove 811, and the other end of the spring 83 is fixed to the bottom surface of the control block 82. The trigger piece 84 is embedded on the inner wall of the vertical groove 811, and the trigger piece 85 is embedded on the control block 82.

Referring to fig. 1 and 4, the second power supply 86 and the reversing module 87 are fixedly connected to the fixing base 81, one of the terminals of the driving motor 61 is electrically connected to the triggering piece 84, the other terminal of the driving motor 61 is electrically connected to one of the terminals of the reversing module 87, the other terminal of the reversing module 87 is electrically connected to one of the terminals of the second power supply 86, and the other terminal of the second power supply 86 is electrically connected to the triggering piece 85. When the control block 82 is pushed down, the trigger piece 85 can be brought into contact with the trigger piece 84.

The implementation principle of the spanner puncher of the embodiment of the application is as follows: when the main machine 3 is at the top of the longitudinal stroke, the punch is in a non-working state, the trigger lever 75 horizontally passes through the first sliding groove 721 and is inserted into the yielding groove 723 above the first sliding groove 721, when the worker rotates the wrench 31 to make the main machine 3 move downwards along with the drill bit to drill the workpiece, the trigger lever 75 is in contact with the inner wall of the first sliding groove 721 far away from the main machine 3, at this time, the trigger lever 75 swings upwards under the contact action with the inner wall of the first sliding groove 721 until the drill bit reaches the preset depth of the hole, at this time, the control lever 74 is inserted into the yielding groove 723 below the first sliding groove 721, and the control lever 74 is restored to the horizontal state under the elastic action of the restoring mechanism 79. After the spanner 31 is released, the host computer 3 is reset upwards, and under the action of the stretching damping rod 4, the host computer 3 drives the control rod 74 to slowly move upwards at a constant speed, at the moment, the movable contact piece 76 on the trigger rod 75 can be in contact with the inner wall of the first sliding groove 721, the fixed contact piece 731 and the sliding fixed contact piece 732, in the process that the movable contact piece 76 slides by the length distance of the fixed contact piece structure 73, the electric loop of the driving motor 61 is conducted, and after the movable contact piece 76 is separated from the fixed contact piece structure 73, the electric loop of the driving motor 61 is disconnected, so that the main body automatically drives the sliding block 51 to slide for a specific distance in the resetting process, and the operation is convenient. Therefore, when a plurality of holes are required to be drilled in the same row on the workpiece, the workpiece is only required to be clamped once, and therefore the drilling efficiency of the puncher is improved.

After the holes on the workpiece are drilled, the wrench 31 is loosened to reset the main body to the upper side, the control block 82 is pressed down, the control block 82 slides into the vertical groove 811, so that the trigger moving plate 85 and the trigger fixed plate 84 are in contact, the electric loop of the driving motor 61 is closed, and the slider 51 reversely rotates under the action of the reversing module 87, so that the slider 51 is reset to one end of the driving screw 62, which is close to the driving motor 61, and the next workpiece is conveniently punched.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a spanner puncher, includes platform (1), fixed connection in vertical pillar (2) on platform (1), vertical slip set up in host computer (3) on vertical pillar (2), rotate set up in drill bit on host computer (3) and be used for clamping device (5) of work piece, its characterized in that: the clamping device is characterized in that a sliding block (51) is arranged on the clamping device (5), a sliding rail (11) is fixedly arranged on the platform (1), the sliding block (51) is arranged on the sliding rail (11) in a sliding mode, a driving device (6) for pushing the sliding block (51) is arranged on the platform (1), the driving device (6) comprises a driving screw rod (62) penetrating through the sliding block (51) and a driving motor (61) fixedly arranged on the platform (1), and the driving screw rod (62) is in threaded connection with the sliding block (51);

the control device (7) is arranged on the platform (1), the control device (7) comprises a vertical rod (71) fixedly arranged on the platform (1), an installation seat (72) is fixedly connected on the vertical rod (71), a first sliding groove (721) is formed in the side surface, close to the host (3), of the installation seat (72), a second sliding groove (722) is formed in the inner wall, far away from the host (3), of the first sliding groove (721), a fixed contact structure (73) is arranged in the installation seat (72), the fixed contact structure (73) comprises a fixed contact (731) and a sliding fixed contact (732) which is kept in contact with the fixed contact (731) on the inner wall, far away from the host (3), of the first sliding groove (721), two sliding grooves (723) are formed in the inner wall, far away from the host (3), of the second sliding groove (723) and are respectively communicated with the two sliding grooves (723), two sliding grooves (723) are formed in the adjustment mechanism (723), be provided with control lever (74) on host computer (3), control lever (74) keep away from the one end swing of host computer (3) is provided with one end and can inserts and locate trigger lever (75) in the groove of stepping down (723), trigger lever (75) with be provided with between control lever (74) be used for keeping control lever (74) horizontally reply mechanism (79), trigger lever (75) keep away from one end of control lever (74) be provided with be used for with movable contact piece (76) that fixed contact piece structure (73) contacted, movable contact piece (76) are located upper portion when trigger lever (75) level state, host computer (3) with be provided with damping rod (4) between platform (1), install first power (77) on platform (1), movable contact piece (76) with one of them terminal electricity of driving motor (61) is connected, another of driving motor (61) with one of them terminal electricity of first power (77) is connected, another terminal electricity of driving motor (61) is connected with one of them fixed electrode (731) electricity is connected.

2. The wrench punch as claimed in claim 1, wherein: the adjusting mechanism (78) comprises an adjusting screw (781) vertically penetrating through the lower portion of the mounting seat (72), the adjusting screw (781) is in threaded connection with the mounting seat (72), and the top end of the adjusting screw (781) is rotatably arranged on the sliding fixed contact piece (732).

3. A wrench punch as claimed in claim 2, wherein: the second sliding groove (722) is provided with a strip-shaped hole (724) on the inner wall, an indication rod (7321) is arranged in the strip-shaped hole (724) in a sliding mode, one end of the indication rod (7321) is fixed on the sliding fixed contact piece (732), one end, far away from the sliding fixed contact piece (732), of the indication rod (7321) is fixed with a pointer (7322), and a scale (725) is arranged on the side face of the mounting seat (72).

4. The wrench punch as claimed in claim 1, wherein: the control rod (74) is kept away from offer mounting groove (741) on the side of host computer (3), trigger lever (75) is close to one end of control rod (74) has been seted up mounting hole (751), reply mechanism (79) including set up in pivot (791) in mounting hole (751) and around locating coil spring (792) on pivot (791), coil spring (792) are located in mounting hole (751), one end of coil spring (792) is fixed in on pivot (791), the other end of coil spring (792) is fixed in on the inner peripheral wall of mounting hole (751).

5. The wrench punch as claimed in claim 1, wherein: the utility model discloses a power supply, including platform (1) and fixed connection, be provided with reset device (8) on platform (1), reset device (8) including fixed connection in fixing base (81) on platform (1), vertical groove (811) have been seted up on the top surface of fixing base (81), the slip is provided with control block (82) in vertical groove (811), be provided with in vertical groove (811) and be used for blocking spring (83) of control block (82) slip down, inlay on vertical groove (811) inner wall and be equipped with trigger piece (84), control block (82) go up inlay be equipped with can with trigger piece (85) that trigger piece (84) contacted, fixed connection has second power supply (86) and switching-over module (87) on fixing base (81), one of them terminal of driving motor (61) with trigger piece (84) electricity is connected, another terminal of driving motor (61) with one of them terminal electricity of switching-over module (87) is connected, another terminal of switching-over module (87) with one of them electric connection of second power supply (86), another terminal of switching-over module (86) is connected with trigger piece (85).

6. The wrench punch as claimed in claim 1, wherein: a rotating disc (64) is fixedly connected to the driving screw (62).

7. The wrench punch as claimed in claim 1, wherein: the platform (1) is fixedly connected with a fixing plate (63), and the driving screw (62) is rotatably arranged on the fixing plate (63).