A punching device for machining and producing mechanical parts

Abstract

The present invention discloses a punching device for machining and producing mechanical parts, belonging to the field of mechanical machining technology, which comprises: a workbench, both sides of the top of the workbench are fixedly installed with vertical plates, and the outer sides of the two vertical plates are slidably sleeved with the same lifting plate; a horizontal plate, which is arranged at the bottom of the lifting plate, and the bottom of the horizontal plate is rotatably installed with a rotating shaft, and the bottom end of the rotating shaft is fixedly connected with a connecting plate, and both sides of the top of the connecting plate are provided with vertical grooves, and vertical plates are slidably installed in the vertical grooves, and the sides of the two vertical plates away from each other are fixedly installed with a clamping plate, and the top of the vertical plate is fixedly connected with a connecting column. The present invention can timely release the fixation of the mounting handle after the punching head is subjected to excessive resistance of mechanical parts during the downward movement through the mutual cooperation between the rotating disk, the connecting column, the friction pad, the connecting plate, the sliding plate, the mounting plate and the adjusting plate, so that the connecting plate is idle in the mounting handle, thereby preventing the connecting plate from continuing to rotate to damage the punching head and the short head.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical processing, and in particular to a punching device for processing and producing mechanical parts. Background Art

[0002] As we all know, during the production process, mechanical parts need to be punched to facilitate better installation and use of the mechanical parts.

[0003] The patent document with publication number CN210059513U discloses a punching device for the production of mechanical parts, which can improve punching efficiency, reduce manpower, and improve practicality; and can improve the placement stability of mechanical parts during the punching process, reduce the impact of the punching position due to position movement, improve punching accuracy, and improve use reliability, including a workbench, a left support plate, a right support plate, a top plate, a left slide plate, a right slide plate, a moving block and a hydraulic cylinder; also including a left adjustment plate, a right adjustment plate, a left pressure plate, a right pressure plate, multiple groups of left clamping bolts and multiple groups of right clamping bolts.

[0004] The punching device in the above technical solution lacks a protective mechanism for the punching head. During the processing of mechanical parts, plates with different hardness will be punched. If the punching head cannot be stopped in time when the hardness of the punching head is not enough to drill a hole in the plate, the punching head is easily damaged. Therefore, we propose a punching device for mechanical parts processing and production to solve this problem. Summary of the invention

[0005] The purpose of the present invention is to provide a punching device for machining and producing mechanical parts to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A punching device for machining and producing mechanical parts, comprising:

[0008] A workbench, wherein vertical plates are fixedly installed on both sides of the top of the workbench, and the outer sides of the two vertical plates are slidably sleeved with a same lifting plate;

[0009] A horizontal plate is arranged at the bottom of the lifting plate, a rotating shaft is rotatably installed at the bottom of the horizontal plate, a connecting plate is fixedly connected to the bottom end of the rotating shaft, vertical grooves are provided on both sides of the top of the connecting plate, vertical plates are slidably installed in the vertical grooves, a clamping plate is fixedly installed on the side away from each other of the two vertical plates, and a connecting column is fixedly connected to the top of the vertical plate;

[0010] A punching head, wherein a mounting handle is fixedly connected to the top of the punching head, the mounting handle is movably sleeved on the outer side of the connecting plate, and clamping holes are provided on both sides of the mounting handle, and the two clamping plates are movably clamped in the corresponding clamping holes respectively;

[0011] A rotating disk, the rotating disk is movably sleeved on the outer side of the rotating shaft, and two arc-shaped holes are provided on the top of the rotating disk, and the two connecting posts are movably inserted into the corresponding arc-shaped holes respectively;

[0012] The friction pads are set to two in number, and the two friction pads are fixedly connected to a mounting plate on one side away from each other, and the two mounting plates are fixedly connected to an adjustment plate on one side away from each other, and the outer side of the adjustment plate is slidably sleeved with a mounting frame, and the top of the mounting frame is fixedly installed with a slide plate, and the top of the slide plate is hinged with a connecting plate, and the top of the connecting plate is hinged to the bottom of the lifting plate.

[0013] Preferably, guide columns and connecting springs are fixedly connected to both sides of the top of the transverse plate, the lifting plate is threadedly sleeved on the outside of the two guide columns, and a retaining ring is fixedly sleeved on the outside of the guide column, the retaining ring is movably abutted against the top of the lifting plate, and the top end of the connecting spring is fixedly connected to the bottom of the lifting plate.

[0014] Preferably, sliding holes are provided on both sides of the top of the cross plate, the two slide plates are slidably connected in the corresponding sliding holes, and the two slide plates are fixedly connected to the sides close to each other with return springs, the ends of the two return springs close to each other are fixedly connected to the side walls of the corresponding sliding holes, and a guide rod is fixedly installed in the sliding groove, and the two slide plates are slidably sleeved on the outside of the corresponding guide rod.

[0015] Preferably, the two vertical plates are fixedly connected to a positioning spring on one side close to each other, and the two positioning springs are fixedly connected to the side walls of the corresponding vertical grooves at one end close to each other, and a cross bar is fixedly installed in the vertical groove, and the two vertical plates are slidably sleeved on the outer sides of the corresponding cross bar.

[0016] Preferably, a screw is rotatably connected to the top of the vertical plate, the lifting plate is threadedly sleeved on the outside of the two screws, and a worm gear is fixedly installed on the screw, a servo motor is fixedly installed on one side of one of the vertical plates, a worm is fixedly connected to the output shaft of the servo motor, the worm is meshed with the two worm gears, and a positioning plate is fixedly installed on the front side of the other vertical plate, and the positioning plate is rotatably sleeved on the outside of the worm.

[0017] Preferably, an adjusting screw is rotatably connected to the side wall of the mounting frame, a threaded groove is provided on the side of the two adjusting plates away from each other, the two adjusting screws are respectively threadedly connected in the corresponding threaded grooves, and a square plate is fixedly connected to one end of the two adjusting screws away from each other, a sleeve plate is slidably sleeved on the outer side of the square plate, a hexagonal column is fixedly sleeved on the outer side of the sleeve plate, a hexagonal groove is provided on the side of the two mounting frames away from each other, the two hexagonal columns are respectively movably clamped in the corresponding hexagonal grooves, and a compression spring is fixedly connected to one side of the two square plates close to each other, and the ends of the two compression springs close to each other are respectively fixedly connected to the side wall of the corresponding sleeve plate.

[0018] Preferably, it also includes a clamping assembly, which includes a clamping plate, an L-plate and a clamping screw, the clamping plate is slidably sleeved on the outer side of the vertical plate, and a triangular plate is fixedly installed on the top of the clamping plate, the L-plate is fixedly connected to one side of the vertical plate, and a trapezoidal plate is slidably sleeved on the outer side of the L-plate, the trapezoidal plate is movably abutted against the top of the triangular plate, and the trapezoidal plate is threadedly sleeved on the outer side of the clamping screw, and the clamping screw is rotatably connected to one side of the L-plate, and a knob is fixedly connected to one end of the clamping screw.

[0019] Preferably, two T-shaped holes are provided on the front side of the workbench, a T-shaped plate is slidably installed in the T-shaped holes, the bottoms of the two T-shaped plates are fixedly connected to the same collecting frame, and a collecting hole is provided on the top of the workbench.

[0020] Preferably, a rotating motor is fixedly installed on the top of the horizontal plate, the top end of the rotating shaft is fixedly connected to the output shaft of the rotating motor, side plates are fixedly installed on the sides of the two vertical plates close to each other, and the bottom ends of the two screw rods are rotatably connected to the tops of the corresponding side plates.

[0021] The beneficial effects of the present invention are:

[0022] In the present invention, the punching device for machining and producing mechanical parts can clamp and fix the mechanical parts by matching the clamping screw, the trapezoidal plate, the triangular plate and the clamping plate, wherein the clamping operation is more labor-saving and stable through the reduction transmission;

[0023] In the present invention, the punching device for machining and producing mechanical parts drives the punching head to rotate and move downward at the same time through the cooperation of the rotating motor, the connecting plate, the clamping plate, the worm, the worm gear, the screw, the lifting plate, the guide column and the connecting spring, so as to perform automatic punching processing on the mechanical parts;

[0024] In the present invention, the punching device for machining and producing mechanical parts can timely release the fixation of the mounting handle after the punching head encounters excessive resistance from the mechanical parts during the downward movement through the mutual cooperation among the rotating disk, the connecting column, the friction pad, the connecting plate, the sliding plate, the mounting plate and the adjusting plate, so that the connecting disk can idle in the mounting handle, thereby preventing the connecting disk from continuing to rotate to damage the punching head and the punching head;

[0025] In the present invention, the punching device for machining and producing mechanical parts can adjust the initial spacing between the friction pad and the turntable according to the force that the installed punching head can withstand through the mutual cooperation between the mounting frame, the adjusting screw rod, the hexagonal column, the sleeve plate and the square plate, so that the rotation drive of the punching head is promptly released when the pressure block received by the punching head reaches its limit;

[0026] In the present invention, a punching device for machining and producing mechanical parts can collect waste chips generated during the punching process through the provided collection frame and collection holes, and can position the collection frame through the T-plate and T-hole, thereby facilitating the installation and disassembly of the collection frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the three-dimensional structure of a punching device for machining and producing mechanical parts proposed by the present invention;

[0028] Figure 2 This is a schematic cross-sectional view of a punching device for machining and producing mechanical parts proposed by the present invention;

[0029] Figure 3 for Figure 2 A partial enlarged view of part A;

[0030] Figure 4 It is a schematic cross-sectional structure diagram of the punching head, mounting handle, connecting disk and rotating disk proposed in the present invention;

[0031] Figure 5 This is a schematic diagram of the three-dimensional structure of the turntable, connecting columns and vertical plates proposed in the present invention;

[0032] Figure 6 This is a schematic cross-sectional view of the mounting frame, the adjustment plate and the friction pad proposed in the present invention;

[0033] Figure 7 This is a schematic cross-sectional structural diagram of the clamping assembly proposed in the present invention.

[0034] In the figure: 1, workbench; 2, punching head; 3, mounting handle; 4, clamping plate; 5, horizontal plate; 6, clamping assembly; 601, L plate; 602, trapezoidal plate; 603, clamping screw; 604, triangle plate; 605, knob; 606, clamping plate; 7, side plate; 8, vertical plate; 9, servo motor; 10, worm gear; 11, rotating motor; 12, worm; 13, positioning plate; 14, collection frame; 15, screw rod; 16, lifting Plate; 17, connecting plate; 18, sliding plate; 19, reset spring; 20, rotating shaft; 21, rotating disk; 211, arc hole; 22, connecting plate; 23, friction pad; 24, mounting frame; 25, connecting spring; 26, guide column; 27, connecting column; 28, vertical plate; 29, positioning spring; 30, mounting plate; 31, adjusting plate; 32, adjusting screw; 33, compression spring; 34, sleeve plate; 35, square plate; 36, hexagonal column. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0036] Reference Figure 1-Figure 7 , a punching device for machining and producing mechanical parts, comprising:

[0037] A workbench 1, with vertical plates 8 fixedly mounted on both sides of the top of the workbench 1, and a lifting plate 16 is slidably sleeved on the outer sides of the two vertical plates 8;

[0038] The horizontal plate 5 is arranged at the bottom of the lifting plate 16. A rotating shaft 20 is rotatably installed at the bottom of the horizontal plate 5. A connecting plate 22 is fixedly connected to the bottom end of the rotating shaft 20. Vertical grooves are provided on both sides of the top of the connecting plate 22. Vertical plates 28 are slidably installed in the vertical grooves. A clamping plate 4 is fixedly installed on the side away from each other of the two vertical plates 28. A connecting column 27 is fixedly connected to the top of the vertical plates 28.

[0039] A punching head 2, the top of which is fixedly connected with a mounting handle 3, which is movably sleeved on the outside of the connecting plate 22, and both sides of the mounting handle 3 are provided with clamping holes, and two clamping plates 4 are movably clamped in the corresponding clamping holes;

[0040] The rotating disk 21 is movably sleeved on the outer side of the rotating shaft 20, and two arc-shaped holes 211 are opened on the top of the rotating disk 21, and two connecting posts 27 are movably inserted into the corresponding arc-shaped holes 211 respectively;

[0041] The friction pads 23 are set to two in number. The two friction pads 23 are fixedly connected to a mounting plate 30 on one side away from each other. The two mounting plates 30 are fixedly connected to an adjustment plate 31 on one side away from each other. The outer side of the adjustment plate 31 is slidably sleeved with a mounting frame 24. The top of the mounting frame 24 is fixedly installed with a slide plate 18. The top of the slide plate 18 is hinged with a connecting plate 17. The top of the connecting plate 17 is hinged to the bottom of the lifting plate 16.

[0042] In this embodiment, both sides of the top of the cross plate 5 are fixedly connected to the guide columns 26 and the connecting springs 25, the lifting plate 16 is threadedly sleeved on the outside of the two guide columns 26, and the outside of the guide columns 26 is fixedly sleeved with a retaining ring, the retaining ring is movably abutted against the top of the lifting plate 16, and the top of the connecting spring 25 is fixedly connected to the bottom of the lifting plate 16, thereby guiding and positioning the cross plate 5.

[0043] In this embodiment, sliding holes are provided on both sides of the top of the cross plate 5, and the two slide plates 18 are slidably connected in the corresponding sliding holes, and the sides of the two slide plates 18 close to each other are fixedly connected with return springs 19, and the ends of the two return springs 19 close to each other are fixedly connected to the side walls of the corresponding sliding holes, and a guide rod is fixedly installed in the slide groove, and the two slide plates 18 are slidably sleeved on the outer sides of the corresponding guide rods, so as to guide, limit and reset the slide plates 18.

[0044] In this embodiment, the two vertical plates 28 are fixedly connected to one side close to each other with a positioning spring 29, and the ends of the two positioning springs 29 close to each other are respectively fixedly connected to the side walls of the corresponding vertical grooves, and a cross bar is fixedly installed in the vertical grooves. The two vertical plates 28 are respectively slidably sleeved on the outer sides of the corresponding cross bars, thereby guiding and limiting the vertical plates 28.

[0045] In this embodiment, a screw rod 15 is rotatably connected to the top of the vertical plate 8, and a lifting plate 16 is threadedly sleeved on the outer sides of the two screw rods 15, so as to facilitate the lifting and lowering of the lifting plate 16, and a worm gear 10 is fixedly installed on the screw rod 15, and a servo motor 9 is fixedly installed on one side of one of the vertical plates 8, and a worm 12 is fixedly connected to the output shaft of the servo motor 9, and the worm 12 is meshed with the two worm gears 10, so as to facilitate the synchronous rotation of the two worm gears 10, and a positioning plate 13 is fixedly installed on the front side of the other vertical plate 8, and the positioning plate 13 is rotatably sleeved on the outer sides of the worm 12, so as to rotationally position the worm 12, and the side plates 7 are fixedly installed on the sides of the two vertical plates 8 close to each other, and the bottom ends of the two screw rods 15 are respectively rotatably connected to the tops of the corresponding side plates 7, so as to be able to rotationally position the screw rods 15.

[0046] In this embodiment, an adjusting screw 32 is rotatably connected to the side wall of the mounting frame 24, and a threaded groove is provided on the side where the two adjusting plates 31 are away from each other. The two adjusting screws 32 are respectively threadedly connected in the corresponding threaded grooves, and the ends of the two adjusting screws 32 away from each other are fixedly connected to a square plate 35, and a sleeve plate 34 is slidably sleeved on the outer side of the square plate 35, and a hexagonal column 36 is fixedly sleeved on the outer side of the sleeve plate 34, and a hexagonal groove is provided on the side where the two mounting frames 24 are away from each other, and the two hexagonal columns 36 are respectively movably engaged in the corresponding hexagonal grooves, thereby locking the rotation of the sleeve plate 34, and a compression spring 33 is fixedly connected to the side where the two square plates 35 are close to each other, and the ends of the two compression springs 33 close to each other are respectively fixedly connected to the side walls of the corresponding sleeve plate 34, thereby resetting the sleeve plate 34.

[0047] In this embodiment, a clamping assembly 6 is also included, and the clamping assembly 6 includes a clamping plate 606, an L-plate 601 and a clamping screw 603. The clamping plate 606 is slidably sleeved on the outer side of the vertical plate 8, and a triangular plate 604 is fixedly installed on the top of the clamping plate 606. The L-plate 601 is fixedly connected to one side of the vertical plate 8, and a trapezoidal plate 602 is slidably sleeved on the outer side of the L-plate 601. The trapezoidal plate 602 is movably abutted against the top of the triangular plate 604, and the trapezoidal plate 602 is threadedly sleeved on the outer side of the clamping screw 603, and the clamping screw 603 is rotatably connected to one side of the L-plate 601. A knob 605 is fixedly connected to one end of the clamping screw 603, so as to facilitate the control of the rotation of the clamping screw 603.

[0048] In this embodiment, two T-shaped holes are opened on the front side of the workbench 1, and a T-shaped plate is slidably installed in the T-shaped holes. The bottoms of the two T-shaped plates are fixedly connected with the same collection frame 14, and a collection hole is opened on the top of the workbench 1 to facilitate the collection of waste chips generated by drilling.

[0049] In this embodiment, a rotating motor 11 is fixedly mounted on the top of the transverse plate 5 , and the top end of the rotating shaft 20 is fixedly connected to the output shaft of the rotating motor 11 , thereby being able to drive the rotating shaft 20 to rotate.

[0050] The working principle of this embodiment is as follows: first, place the mechanical parts on the workbench 1, then rotate the two knobs 605 to drive the clamping screws 603 to rotate, the two clamping screws 603 respectively cooperate with the threads of the corresponding trapezoidal plates 602 and drive the two trapezoidal plates 602 to move away from each other under the guidance of the L plate 601, and the two trapezoidal plates 602 respectively contact with the corresponding triangular plates 604 to drive the two clamping plates 606 to move downward, thereby clamping and fixing the mechanical parts;

[0051] Then, the rotating motor 11 is started to drive the rotating shaft 20 to rotate clockwise, and the rotating shaft 20 drives the connecting disk 22 to rotate synchronously. The connecting disk 22 drives the mounting handle 3 and the punching head 2 to rotate synchronously through the cooperation between the clamping plate 4 and the clamping hole;

[0052] Then, the servo motor 9 is started to drive the worm 12 to rotate. The worm 12 drives the two lead screws 15 to rotate synchronously by meshing with the two worm wheels 10. The two lead screws 15 cooperate with the threads of the lifting plate 16 and drive the lifting plate 16 to move downward under the guidance of the vertical plate 8. The lifting plate 16 drives the horizontal plate 5 to move downward through the guide column 26 and the connecting spring 25. The horizontal plate 5 drives the punching head 2 to rotate and move downward to punch holes in the mechanical parts.

[0053] When the punching head 2 moves downward, it is resisted by the mechanical parts and approaches the lifting plate 16, compressing the connecting spring 25. At the same time, the lifting plate 16 drives the two mounting frames 24 to move closer to each other through the cooperation with the corresponding connecting plate 17 and the sliding plate 18, thereby driving the two friction pads 23 to move closer to each other. When the hardness of the mechanical parts is too large, the resistance of the punching head 2 becomes larger, so that the two friction pads 23 abut against the outer side of the turntable 21, thereby limiting the rotation of the turntable 21. The rotating shaft 20 continues to rotate under the drive of the rotating motor 11, so that the two connecting columns 27 perform a circular motion relative to the turntable 21 and move in the arc groove of the turntable 21, so that the two connecting columns 27 move closer to each other, and the two clamping plates 4 move closer to each other, so that the two clamping plates 4 are separated from the clamping holes, and the fixation of the mounting handle 3 is released, so that the connecting disk 22 rotates idly in the mounting handle 3, thereby preventing the connecting disk 22 from continuing to rotate and causing damage to the punching head 2.

[0054] By controlling the output shaft of the servo motor 9 to rotate in the opposite direction, the lifting plate 16 is driven to move upward, thereby facilitating the disassembly and replacement of the punching head 2;

[0055] The hexagonal column 36 is driven to move laterally by pulling the sleeve plate 34, so that the hexagonal column 36 is disengaged from the hexagonal groove, and then the sleeve plate 34 is rotated to drive the square plate 35 and the adjusting screw 32 to rotate synchronously, and the adjusting screw 32 drives the adjusting plate 31 to move laterally through the threaded transmission with the threaded groove, and the adjusting plate 31 drives the friction pad 23 to move laterally through the mounting plate 30, so that the distance between the friction pad 23 and the turntable 21 is adjusted according to the force that the installed punching head 2 can withstand, so that the punching head 2 can release the rotation drive of the punching head 2 in time when the pressure block received by the punching head 2 reaches its limit.

[0056] The punching device for machining and producing mechanical parts provided by the present invention is introduced in detail above. Specific embodiments are used in this article to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method of the present invention and its core idea. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the present invention, several improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. A punching device for machining and producing mechanical parts, characterized in that: include: A workbench (1), wherein vertical plates (8) are fixedly mounted on both sides of the top of the workbench (1), and the outer sides of the two vertical plates (8) are slidably sleeved with a same lifting plate (16); A horizontal plate (5) is arranged at the bottom of the lifting plate (16), a rotating shaft (20) is rotatably mounted at the bottom of the horizontal plate (5), a connecting plate (22) is fixedly connected to the bottom end of the rotating shaft (20), vertical grooves are provided on both sides of the top of the connecting plate (22), vertical plates (28) are slidably mounted in the vertical grooves, a clamping plate (4) is fixedly mounted on the side away from each other of the two vertical plates (28), and a connecting column (27) is fixedly connected to the top of the vertical plates (28); A punching head (2), wherein a mounting handle (3) is fixedly connected to the top of the punching head (2), the mounting handle (3) is movably sleeved on the outside of the connecting plate (22), and clamping holes are provided on both sides of the mounting handle (3), and the two clamping plates (4) are movably clamped in the corresponding clamping holes respectively; A rotating disk (21), the rotating disk (21) being movably sleeved on the outer side of the rotating shaft (20), and having two arc-shaped holes (211) formed on the top of the rotating disk (21), and the two connecting posts (27) being movably inserted into the corresponding arc-shaped holes (211); The friction pads (23) are provided in two numbers, the two friction pads (23) are fixedly connected to a mounting plate (30) on one side away from each other, the two mounting plates (30) are fixedly connected to an adjustment plate (31) on one side away from each other, the outer side of the adjustment plate (31) is slidably sleeved with a mounting frame (24), the top of the mounting frame (24) is fixedly mounted with a slide plate (18), the top of the slide plate (18) is hingedly connected to a connecting plate (17), and the top of the connecting plate (17) is hingedly connected to the bottom of the lifting plate (16).

2. A punching device for machining and producing mechanical parts according to claim 1, characterized in that: Both sides of the top of the transverse plate (5) are fixedly connected to guide columns (26) and connecting springs (25); the lifting plate (16) is threadedly sleeved on the outsides of the two guide columns (26); and a retaining ring is fixedly sleeved on the outsides of the guide columns (26); the retaining ring is movably abutted against the top of the lifting plate (16); and the top end of the connecting spring (25) is fixedly connected to the bottom of the lifting plate (16).

3. A punching device for machining and producing mechanical parts according to claim 1, characterized in that: Both sides of the top of the horizontal plate (5) are provided with sliding holes, the two sliding plates (18) are slidably connected in the corresponding sliding holes, and the two sliding plates (18) are fixedly connected to the sides close to each other with return springs (19), and the two ends of the return springs (19) close to each other are fixedly connected to the side walls of the corresponding sliding holes, and a guide rod is fixedly installed in the sliding groove, and the two sliding plates (18) are slidably sleeved on the outer sides of the corresponding guide rods.

4. A punching device for machining and producing mechanical parts according to claim 1, characterized in that: A positioning spring (29) is fixedly connected to one side of the two vertical plates (28) close to each other, and one end of the two positioning springs (29) close to each other is respectively fixedly connected to the side wall of the corresponding vertical groove, and a cross bar is fixedly installed in the vertical groove, and the two vertical plates (28) are respectively slidably sleeved on the outer side of the corresponding cross bar.

5. The punching device for machining and producing mechanical parts according to claim 1, characterized in that: A screw (15) is rotatably connected to the top of the vertical plate (8), the lifting plate (16) is threadedly sleeved on the outside of the two screws (15), and a worm gear (10) is fixedly mounted on the screw (15), a servo motor (9) is fixedly mounted on one side of one of the vertical plates (8), a worm (12) is fixedly connected to the output shaft of the servo motor (9), the worm (12) is meshed with the two worm gears (10), and a positioning plate (13) is fixedly mounted on the front side of the other vertical plate (8), and the positioning plate (13) is rotatably sleeved on the outside of the worm (12).

6. A punching device for machining and producing mechanical parts according to claim 1, characterized in that: An adjusting screw (32) is rotatably connected to the side wall of the installation frame (24); a thread groove is provided on the side of the two adjusting plates (31) away from each other; the two adjusting screws (32) are respectively threadedly connected in the corresponding thread grooves; and a square plate (35) is fixedly connected to one end of the two adjusting screws (32) away from each other; a sleeve plate (34) is slidably sleeved on the outer side of the square plate (35); a hexagonal column (36) is fixedly sleeved on the outer side of the sleeve plate (34); a hexagonal groove is provided on the side of the two installation frames (24) away from each other; the two hexagonal columns (36) are respectively movably clamped in the corresponding hexagonal grooves; and a compression spring (33) is fixedly connected to one side of the two square plates (35) close to each other; and the ends of the two compression springs (33) close to each other are respectively fixedly connected to the side wall of the corresponding sleeve plate (34).

7. A punching device for machining and producing mechanical parts according to claim 1, characterized in that: The invention also comprises a clamping assembly (6), wherein the clamping assembly (6) comprises a clamping plate (606), an L-plate (601) and a clamping screw (603); the clamping plate (606) is slidably sleeved on the outer side of the vertical plate (8); a triangular plate (604) is fixedly mounted on the top of the clamping plate (606); the L-plate (601) is fixedly connected to one side of the vertical plate (8); a trapezoidal plate (602) is slidably sleeved on the outer side of the L-plate (601); the trapezoidal plate (602) is movably abutted against the top of the triangular plate (604); the trapezoidal plate (602) is threadedly sleeved on the outer side of the clamping screw (603); the clamping screw (603) is rotatably connected to one side of the L-plate (601); and a knob (605) is fixedly connected to one end of the clamping screw (603).

8. The punching device for machining and producing mechanical parts according to claim 1, characterized in that: The front side of the workbench (1) is provided with two T-shaped holes, in which T-shaped plates are slidably mounted, and the bottoms of the two T-shaped plates are fixedly connected to a same collecting frame (14), and the top of the workbench (1) is provided with a collecting hole.

9. A punching device for machining and producing mechanical parts according to claim 5, characterized in that: A rotating motor (11) is fixedly mounted on the top of the horizontal plate (5), the top end of the rotating shaft (20) is fixedly connected to the output shaft of the rotating motor (11), and side plates (7) are fixedly mounted on the sides of the two vertical plates (8) close to each other, and the bottom ends of the two screw rods (15) are rotatably connected to the tops of the corresponding side plates (7) respectively.

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