Steel screen high-speed punching and shearing machine

Abstract

The utility model discloses a steel screen high-speed punching and shearing machine, which belongs to the technical field of punching and shearing machines and comprises a rack, a main shaft is eccentrically and rotatably arranged at the upper end of the rack through a main motor, a pressing wheel is fixedly mounted on the main shaft, an upper tool apron is slidably connected to the inner side of the rack, and the peripheral surface of the pressing wheel abuts against the upper end of a fine adjustment device. Synchronous swing mechanisms are arranged at the two ends of the upper swing tool rest. According to the utility model, the two pressing wheels are arranged on the main shaft to eccentrically rotate to extrude the fine adjustment device, and the upper tool apron is forced to do up-down high-speed linear motion under the clamping of the guide rail through the extrusion rebound of the shock absorber, and the eccentric wheel and the main shaft synchronously rotate through the two second synchronous wheels and the second synchronous belt; the eccentric wheel extrudes the bearing in a reciprocating mode in the rotating process, the upper swing tool rest swings left and right in a reciprocating mode in cooperation with the buffering effect of the shock absorber, and therefore the upper tool moves up and down and swings left and right in a reciprocating mode, high-speed and high-efficiency punching and shearing of the steel plate net are accurately achieved, and material waste is greatly reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of punching and shearing machines, in particular to a high-speed punching and shearing machine for steel plate mesh. Background Art

[0002] A punching and shearing machine is a metal processing equipment, usually used for stamping, shearing, punching and other processes. It can process metal plates, pipes and other materials into parts of various shapes and sizes. The working principle of the punching and shearing machine is to punch or shear the metal material through the action of the die and the punch to deform or separate it. The punching and shearing machine is usually composed of a fuselage, a workbench, a die, a punch, an electrical control system, etc. The Chinese patent publication number CN212419808U discloses a punching and shearing mechanism of a steel plate mesh punching and shearing machine, including a top plate, a pillar and a base. The bottom of the top plate is fixedly welded with a pillar. A base is welded to the bottom of the pillar, and a first hydraulic cylinder is fixedly installed on the right side of the bottom of the top plate. A punching head is fixedly connected to the outer wall of the piston rod of the first hydraulic cylinder. A notch is opened on the front side wall of the pillar, and a stabilizing mechanism is installed on the top of the inner cavity of the notch. The triangular block in the groove on the surface of the base can be detached and removed in the utility model, so that the cylindrical metal parts can be limited conveniently. At the same time, the detachable V-shaped pressure block can further stabilize the columnar metal parts, so that the device can punch and shear both block-shaped metal parts and columnar metal parts, making it have a wide range of applications.

[0003] The problem with the prior art is that when the punching and shearing machine is working, the hydraulic cylinder drives the punching and shearing head to press down, and the punching and shearing head cuts the metal parts to realize the forming of metal products. For the processing of some mesh products, the use of this device not only has low production efficiency, but also causes waste of materials. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides a high-speed punching and shearing machine for steel plate mesh, which has the advantages of high-speed and high-efficiency production and material saving. It solves the problem that the existing punching and shearing machines, when working, use a hydraulic cylinder to drive the punching and shearing head to press down, and use the punching and shearing head to cut the metal parts to realize the forming of metal products. For the processing of some mesh products, the use of this device not only has low production efficiency, but also causes waste of materials.

[0005] The utility model is implemented as follows: a high-speed punching and shearing machine for steel plate mesh comprises a frame, a main shaft is arranged at the upper end of the frame through eccentric rotation of a main motor, a pressure wheel is fixedly mounted on the main shaft, an upper knife seat is slidably connected to the inner side of the frame, a fine-tuning device is fixedly mounted on the upper surface of the upper knife seat, the outer peripheral surface of the pressure wheel abuts against the upper end of the fine-tuning device, an upper swinging knife holder is mounted on the bottom of the upper knife seat through two clamping plates, a zero gap adjustment device is arranged on the clamping plates, synchronous swing mechanisms are arranged at both ends of the upper swinging knife holder, one end of the synchronous swing mechanism is connected to one end of the main shaft through a second synchronous wheel and a second synchronous belt, a lower knife seat is fixedly mounted on the inner side of the lower end of the frame, and an upper tool and a lower tool are fixedly mounted on the upper swinging knife holder and the lower knife seat respectively.

[0006] As a preferred embodiment of the utility model, the main motor is fixedly mounted on one side of the upper end of the frame, the output end of the main motor and both ends of the main shaft are fixedly connected with mounting shafts, both ends of the main shaft are eccentrically arranged on the mounting shafts at both ends, and the two mounting shafts are fixedly sleeved with a first synchronous wheel, and the two first synchronous wheels are synchronously connected through a first synchronous belt.

[0007] As a preferred embodiment of the utility model, the two clamps are respectively clamped on both sides of the upper tool holder and the upper swing tool holder, the upper swing tool holder is slidably connected in the two clamps, the upper tool holder is slidably connected to the inner side of the frame, a limit pin is fixedly installed at one end of the upper swing tool holder, and a bearing is fixedly provided on the limit pin.

[0008] As a preferred embodiment of the utility model, the synchronous swing mechanism includes an eccentric wheel, a limit rod, a mounting sleeve, a shock absorber, and a step nut. The eccentric wheel is rotatably installed inside one side of the frame. The eccentric wheel and the mounting shaft of the main shaft away from the first synchronous wheel are fixedly connected with a second synchronous wheel. The two second synchronous wheels are synchronously connected by a second synchronous belt. The limit rod is inserted into the end of the upper swing tool holder away from the eccentric wheel, and the mounting sleeve is fixedly installed inside the end of the frame away from the eccentric wheel. A shock absorber is fixedly installed between the mounting sleeve and the upper swing tool holder. The limit rod passes through the shock absorber and the mounting sleeve, and the limit rod is threadedly connected with a step nut at one end away from the upper swing tool holder.

[0009] As a preferred embodiment of the present invention, the bearing is rollingly connected to the surface of the eccentric wheel.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] 1. The utility model arranges two pressure wheels on the main shaft to rotate eccentrically to squeeze the fine-tuning device. At the same time, the shock absorber squeezes and rebounds, forcing the upper tool holder to make high-speed linear motion up and down under the clamping of the guide rail. The upper swing tool holder makes synchronous up and down motion with the upper tool holder through two clamping plates and the zero-gap adjustment device.

[0012] 2. The utility model sets two second synchronous wheels and a second synchronous belt to make the eccentric wheel rotate synchronously with the main shaft. The eccentric wheel reciprocates and squeezes the bearing during rotation, and cooperates with the buffering effect of the shock absorber to make the upper swing tool holder swing back and forth, thereby realizing the up and down movement and left and right reciprocating swing of the upper tool, forming a punching and shearing effect with the lower tool, and through the frequency conversion speed regulation of the feeding motor and the main motor, high-speed and high-efficiency punching and shearing of the steel plate mesh can be accurately achieved, greatly reducing material waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0014] Figure 2 It is a partial cross-sectional three-dimensional structural schematic diagram of the utility model;

[0015] Figure 3 For the utility model Figure 2 A magnified view of the structure at center;

[0016] Figure 4 For the utility model Figure 2 A magnified view of the structure at B in the middle;

[0017] Figure 5 For the utility model Figure 2 A magnified view of the structure at C in the middle;

[0018] Figure 6 It is a schematic diagram of the internal three-dimensional structure of the utility model.

[0019] In the figure: 1. main motor; 2. main shaft; 3. fine adjustment device; 4. upper tool holder; 5. clamping plate; 6. upper swing tool holder; 7. zero clearance adjustment device; 8. lower tool holder; 9. second synchronous wheel; 10. eccentric wheel; 11. second synchronous belt; 12. first synchronous wheel; 13. first synchronous belt; 14. mounting shaft; 15. pressure wheel; 16. bearing; 17. limit pin; 18. limit rod; 19. mounting sleeve; 20. shock absorber; 21. step nut; 22. frame; 23. upper tool; 24. lower tool. DETAILED DESCRIPTION

[0020] In order to further understand the content, features and effects of the utility model, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0021] The structure of the utility model is described in detail below in conjunction with the accompanying drawings.

[0022] like Figures 1 to 6As shown, a high-speed punching and shearing machine for steel plate mesh provided by an embodiment of the utility model comprises a frame 22, a main shaft 2 is eccentrically rotated by a main motor 1 at the upper end of the frame 22, a pressure wheel 15 is fixedly mounted on the main shaft 2, an upper knife seat 4 is slidably connected to the inner side of the frame 22, a fine-tuning device 3 is fixedly mounted on the upper surface of the upper knife seat 4, the outer peripheral surface of the pressure wheel 15 abuts against the upper end of the fine-tuning device 3, an upper swinging knife holder 6 is mounted on the bottom of the upper knife seat 4 through two clamping plates 5, a zero gap adjustment device 7 is arranged on the clamping plates 5, synchronous swing mechanisms are arranged at both ends of the upper swinging knife holder 6, one end of the synchronous swing mechanism is connected to one end of the main shaft 2 through a second synchronous wheel 9 and a second synchronous belt 11, a lower knife seat 8 is fixedly mounted on the inner side of the lower end of the frame 22, an upper tool 23 and a lower tool 24 are fixedly mounted on the upper swinging knife holder 6 and the lower knife seat 8 respectively.

[0023] Furthermore, the main motor 1 is fixedly mounted on one side of the upper end of the frame 22, and the output end of the main motor 1 and both ends of the main shaft 2 are fixedly connected with the mounting shaft 14, and both ends of the main shaft 2 are eccentrically arranged on the mounting shafts 14 at both ends, and the two mounting shafts 14 are fixedly sleeved with a first synchronous wheel 12, and the two first synchronous wheels 12 are synchronously connected through a first synchronous belt 13.

[0024] In the present application, guide rails are provided on both side walls of the frame 22 for guiding and limiting the upper tool seat 4, the fine-tuning device 3 is used for fine-tuning the height of the upper tool seat 4, and the zero-gap adjustment device 7 is used for adjusting the gap of the upper swing tool holder 6. When working, the main motor 1 is started, and the two installation shafts 14 on the right are driven to rotate synchronously through the first synchronous belt 13, thereby driving the main shaft 2 to rotate eccentrically at high speed, and the two pressure wheels 15 on the main shaft 2 are used to rotate eccentrically to squeeze the fine-tuning device 3. At the same time, the shock absorber 20 is used to squeeze and rebound, forcing the upper tool seat 4 to make high-speed linear motion up and down under the clamping of the guide rail. The upper tool seat 4 is installed on the upper swing tool holder 6, and the upper swing tool holder 6 makes synchronous up and down motion with the upper tool seat 4 through two clamps 5 and the zero-gap adjustment device 7.

[0025] Furthermore, the two clamping plates 5 are respectively clamped on both sides of the upper tool holder 4 and the upper swing tool holder 6, the upper swing tool holder 6 is slidably connected in the two clamping plates 5, the upper tool holder 4 is slidably connected to the inner side of the frame 22, one end of the upper swing tool holder 6 is fixedly installed with a limit pin 17, and a bearing 16 is fixedly sleeved on the limit pin 17. The synchronous swing mechanism includes an eccentric wheel 10, a limit rod 18, a mounting sleeve 19, a shock absorber 20, and a stepped nut 21. The eccentric wheel 10 is rotatably installed inside one side of the frame 22, and the bearing 16 is rollingly connected to the surface of the eccentric wheel 10. The eccentric wheel 10 and the main A second synchronous wheel 9 is fixedly connected to the mounting shaft 14 at the end of the shaft 2 away from the first synchronous wheel 12. The two second synchronous wheels 9 are synchronously connected via a second synchronous belt 11. A limit rod 18 is inserted into the end of the upper swing tool holder 6 away from the eccentric wheel 10. A mounting sleeve 19 is fixedly installed inside the end of the frame 22 away from the eccentric wheel 10. A shock absorber 20 is fixedly installed between the mounting sleeve 19 and the upper swing tool holder 6. The limit rod 18 passes through the shock absorber 20 and the mounting sleeve 19. A step nut 21 is threadedly connected to the end of the limit rod 18 away from the upper swing tool holder 6.

[0026] In the present application, when the main shaft 2 rotates, it drives the installation shaft 14 on the left to rotate. The installation shaft 14 on the left drives the two second synchronous wheels 9 to rotate synchronously through the second synchronous belt 11, thereby driving the eccentric wheel 10 to rotate. During the rotation process, the eccentric wheel 10 reciprocates and squeezes the bearing 16, and cooperates with the buffering effect of the shock absorber 20 to make the upper swing tool holder 6 swing back and forth left and right, thereby realizing the up and down movement and left and right reciprocating swing of the upper tool 23, forming a punching and shearing effect with the lower tool 24, and the feeding motor and the main motor 1 are coordinated with the frequency conversion speed regulation to accurately realize high-speed and high-efficiency punching and shearing of the steel plate mesh.

[0027] The working principle of this utility model:

[0028] Start the main motor 1, and drive the two right installation shafts 14 to rotate synchronously through the first synchronous belt 13, thereby driving the main shaft 2 to rotate eccentrically at high speed, and utilize the two pressure wheels 15 on the main shaft 2 to rotate eccentrically to squeeze the fine adjustment device 3. At the same time, through the compression rebound of the shock absorber 20, the upper tool holder 4 is forced to do high-speed linear motion up and down under the clamping of the guide rail. The upper tool holder 4 is installed on the upper swing tool holder 6. The upper swing tool holder 6 moves up and down synchronously with the upper tool holder 4 through two clamping plates 5 and the zero clearance adjustment device 7. When the main shaft 2 rotates, The left installation shaft 14 is driven to rotate, and the left installation shaft 14 drives the two second synchronous wheels 9 to rotate synchronously through the second synchronous belt 11, thereby driving the eccentric wheel 10 to rotate. The eccentric wheel 10 reciprocates and squeezes the bearing 16 during the rotation, and cooperates with the buffering effect of the shock absorber 20 to make the upper swing tool holder 6 swing back and forth, thereby realizing the up and down movement and left and right reciprocating swing of the upper tool 23, forming a punching and shearing effect with the lower tool 24, and the feeding motor and the main motor 1 are matched with frequency conversion speed regulation to accurately realize high-speed and high-efficiency punching and shearing of the steel plate mesh.

[0029] To sum up: this kind of high-speed punching and shearing machine for steel plate mesh, by arranging two pressure wheels 15 on the main shaft 2 to eccentrically rotate, squeeze the fine-tuning device 3, and at the same time, through the squeezing and rebounding of the shock absorber 20, force the upper knife seat 4 to make high-speed linear motion up and down under the clamping of the guide rail, and the upper swing tool holder 6 makes synchronous up and down motion with the upper knife seat 4 through two clamping plates 5 and the zero gap adjustment device 7. By arranging two second synchronous wheels 9 and a second synchronous belt 11, the eccentric wheel 10 is made to rotate synchronously with the main shaft 2. During the rotation, the eccentric wheel 10 reciprocates and squeezes the bearing 16, and with the buffering effect of the shock absorber 20, the upper swing tool holder 6 is made to swing back and forth left and right, thereby realizing the up and down movement and reciprocating swing of the upper tool 23, and forming a punching and shearing effect with the lower tool 24, and the feeding motor and the main motor 1 are coordinated with each other by frequency conversion speed regulation to accurately realize high-speed and high-efficiency punching and shearing of the steel plate mesh.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-speed punching and shearing machine for expanded metal, comprising a frame (22), characterized in that: The upper end of the frame (22) is provided with a main shaft (2) which is eccentrically rotated by a main motor (1), and a pressure wheel (15) is fixedly mounted on the main shaft (2). An upper knife seat (4) is slidably connected to the inner side of the frame (22), and a fine adjustment device (3) is fixedly mounted on the upper surface of the upper knife seat (4). The outer peripheral surface of the pressure wheel (15) abuts against the upper end of the fine adjustment device (3). An upper swinging knife holder (6) is mounted on the bottom of the upper knife seat (4) through two clamping plates (5), and a zero clearance adjustment device (7) is arranged on the clamping plates (5). Synchronous swing mechanisms are arranged at both ends of the upper swinging knife holder (6), and one end of the synchronous swing mechanism is connected to one end of the main shaft (2) through a second synchronous wheel (9) and a second synchronous belt (11). A lower knife seat (8) is fixedly mounted on the inner side of the lower end of the frame (22), and an upper knife (23) and a lower knife (24) are fixedly mounted on the upper swinging knife holder (6) and the lower knife seat (8), respectively.

2. A high-speed punching and shearing machine for expanded metal as claimed in claim 1, characterized in that: The main motor (1) is fixedly mounted on one side of the upper end of the frame (22); the output end of the main motor (1) and both ends of the main shaft (2) are fixedly connected with mounting shafts (14); both ends of the main shaft (2) are eccentrically arranged on the mounting shafts (14) at both ends; first synchronous wheels (12) are fixedly sleeved on the two mounting shafts (14); and the two first synchronous wheels (12) are synchronously connected via a first synchronous belt (13).

3. A high-speed punching and shearing machine for expanded metal as claimed in claim 1, characterized in that: The two clamping plates (5) are respectively clamped on both sides of the upper knife seat (4) and the upper swing knife holder (6); the upper swing knife holder (6) is slidably connected in the two clamping plates (5); the upper knife seat (4) is slidably connected to the inner side of the frame (22); a limit pin (17) is fixedly installed at one end of the upper swing knife holder (6); and a bearing (16) is fixedly sleeved on the limit pin (17).

4. A high-speed punching and shearing machine for expanded metal as claimed in claim 3, characterized in that: The synchronous swing mechanism comprises an eccentric wheel (10), a limiting rod (18), a mounting sleeve (19), a shock absorber (20), and a stepped nut (21); the eccentric wheel (10) is rotatably mounted inside one side of a frame (22); a second synchronous wheel (9) is fixedly connected to the eccentric wheel (10) and the mounting shaft (14) at one end of the main shaft (2) away from the first synchronous wheel (12); the two second synchronous wheels (9) are synchronously connected via a second synchronous belt (11); The positioning rod (18) is inserted into the end of the upper swing tool holder (6) away from the eccentric wheel (10), and a mounting sleeve (19) is fixedly installed inside the end of the frame (22) away from the eccentric wheel (10), and a shock absorber (20) is fixedly installed between the mounting sleeve (19) and the upper swing tool holder (6). The positioning rod (18) passes through the shock absorber (20) and the mounting sleeve (19), and a step nut (21) is threadedly connected to the end of the positioning rod (18) away from the upper swing tool holder (6).

5. A high-speed punching and shearing machine for expanded metal as claimed in claim 4, characterized in that: The bearing (16) is in rolling connection with the surface of the eccentric wheel (10).

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