Punching die convenient for switching punching male die

Abstract

The utility model relates to the technical field of punching dies, in particular to a punching die convenient to switch punching male dies, which comprises a workbench, the upper end face of the workbench is rotatably connected with a rotating shaft, the outer wall of the rotating shaft is respectively and fixedly connected with a first turntable and a second turntable which are distributed up and down, and a motor is matched with a worm and a worm gear to drive the rotating shaft to rotate by 90 degrees. A rotating shaft drives a first rotating disc and a second rotating disc to rotate, positions of a plurality of vertical cylinders, a plurality of limiting frames and a plurality of female dies are changed, then male dies and female dies with different outer diameter sizes are rotated to the right side, then an electric telescopic lever drives a limiting groove to move downwards, a limiting block enters the other limiting groove, and through mutual cooperation of the limiting groove and the limiting block, the male dies and the female dies are fixed. When the punching die needs to be replaced, the output end of the electric telescopic lever and the moving rod are positioned, then the electric telescopic lever stops extending, then the punching die is replaced conveniently and rapidly, the replacement efficiency of the punching die is improved, and then the machining efficiency of workpieces is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of punching dies, in particular to a punching die which is convenient to switch punching punches. Background Technique

[0002] A punching die is a commonly used metal processing tool for performing processing operations such as punching, embossing, and shearing on metal plates. During the punching operation of a workpiece, for the same product during production, due to different processing holes, the punching die needs to be replaced to facilitate the processing of the workpiece.

[0003] Currently, when replacing a punching die, the production line needs to be stopped, the punching die is disassembled from the machine tool, and then punching dies with different processing hole diameters are installed on the machine tool. The disassembly and installation processes of the punching die are relatively cumbersome, and the disassembly and installation time is relatively long, resulting in a low replacement efficiency of the punching die, and thus a low processing efficiency when processing different processing holes for the same product. Content of the Utility Model

[0004] The purpose of the utility model is to provide a punching die which is convenient to switch punching punches, having the characteristics of being convenient to replace the punching die to improve the product processing efficiency.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A punching die which is convenient to switch punching punches, including a workbench, the upper end surface of the workbench is rotationally connected with a rotating shaft, the outer wall of the rotating shaft is fixedly connected with two first turntables and a second turntable which are distributed up and down, the upper end surface of the first turntable is fixedly connected with a plurality of vertically arranged cylinders which are evenly distributed, the lower ends of the plurality of cylinders all extend below the first turntable, a moving rod is slidably connected inside each of the plurality of cylinders, the lower end surfaces of the plurality of moving rods are all fixedly connected with punches having different outer diameter sizes, the upper ends of the plurality of moving rods all extend above the cylinders and are fixedly connected with limiting blocks;

[0006] The upper end surface of the second turntable is fixedly connected with a plurality of limiting frames which are respectively located below the plurality of cylinders, through holes which are respectively matched with the plurality of cylinders are respectively formed through the upper end surfaces of the plurality of limiting frames, and a plurality of concave dies which are respectively located below the plurality of through holes are formed through the upper end surface of the second turntable, and the plurality of concave dies are respectively matched with the plurality of punches;

[0007] The upper end surface of the workbench is fixedly connected with an L-shaped plate, an electric telescopic rod is installed on the upper end surface of the L-shaped plate, a storage groove is formed in the lower end surface of the L-shaped plate, the output end of the electric telescopic rod passes through the storage groove and extends below the L-shaped plate, and the output end of the electric telescopic rod is fixedly connected with a limiting groove which is matched with the storage groove.

[0008] In order to drive the rotation of the rotating shaft, as an optimization of the punching die for facilitating the switching of punching punches in the present utility model, a driving box is fixedly connected to the lower end surface of the workbench, the lower end of the rotating shaft extends into the interior of the driving box and is fixedly connected to a worm gear, and a worm that meshes with the worm gear is rotatably connected to the interior of the driving box.

[0009] In order to drive the moving rod to reset, as an optimization of the punching die for facilitating the switching of punching punches in the present utility model, a sliding groove is formed in the inner wall of the vertical cylinder, a sliding block that matches the sliding groove is fixedly connected to the outer wall of the moving rod, and a spring is fixedly connected between the lower end of the interior of the sliding groove and the lower end surface of the sliding block.

[0010] In order to drive the rotation of the worm, as an optimization of the punching die for facilitating the switching of punching punches in the present utility model, a motor is installed on the rear end surface of the driving box, and the output end of the motor is fixedly connected to the worm.

[0011] In order to facilitate the control of the electric telescopic rod and the motor, as an optimization of the punching die for facilitating the switching of punching punches in the present utility model, a control panel is installed on the rear end surface of the workbench, and the control panel is electrically connected to the electric telescopic rod and the motor respectively.

[0012] In order to support the second turntable, as an optimization of the punching die for facilitating the switching of punching punches in the present utility model, two support blocks that are distributed front and back and are located on the right side of the rotating shaft are fixedly connected to the upper end surface of the workbench, and the upper end surface of the support block abuts against the lower end surface of the second turntable.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] The motor cooperates with the worm and the worm gear to drive the rotating shaft to rotate by 90 degrees. The rotating shaft drives the first turntable and the second turntable to rotate, so that multiple vertical cylinders, multiple limiting frames and multiple concave dies change positions, and then punches and concave dies with different outer diameter sizes are rotated to the right side. Then, the electric telescopic rod drives the limiting groove to move downward, so that the limiting block enters another limiting groove. Through the mutual cooperation between the limiting groove and the limiting block, the output end of the electric telescopic rod and the moving rod are positioned. Then, the electric telescopic rod stops extending, thereby facilitating the rapid replacement of the punching die, improving the replacement efficiency of the punching die, and further improving the processing efficiency of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0016] Figure 2 is a schematic front sectional view of the structure of the present utility model;

[0017] Figure 3This is a schematic right - view sectional structure diagram of the utility model;

[0018] Figure 4 This is the utility model Figure 2 The enlarged structure schematic diagram of part a in it;

[0019] In the figure: 1, workbench; 2, rotating shaft; 3, first turntable; 4, second turntable; 5, vertical cylinder; 6, moving rod; 7, punch; 8, limit block; 9, limit frame; 10, through - hole; 11, die; 12, L - shaped plate; 13, electric telescopic rod; 14, storage groove; 15, limit groove; 16, drive box; 17, worm gear; 18, worm; 19, sliding groove; 20, slider; 21, spring; 22, motor; 23, control panel; 24, support block. Specific embodiments

[0020] In order to make the purpose, technical solutions and advantages of the present utility model more clear and understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model. In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present utility model. In addition, in the description of the present utility model, the meaning of "a plurality of" is two or more unless otherwise specifically defined.

[0021] Please refer to Figures 1 to 4 , a punching die that is convenient for switching punching punches, including a workbench 1. The upper end surface of the workbench 1 is rotatably connected with a rotating shaft 2. The outer wall of the rotating shaft 2 is fixedly connected with two first turntables 3 and second turntables 4 distributed up and down. The upper end surface of the first turntable 3 is fixedly connected with a plurality of uniformly distributed vertical cylinders 5. The lower ends of the plurality of vertical cylinders 5 all extend below the first turntable 3. A moving rod 6 is slidably connected inside each of the plurality of vertical cylinders 5. The lower end surfaces of the plurality of moving rods 6 are all fixedly connected with punches 7 having different outer diameter dimensions. The upper ends of the plurality of moving rods 6 all extend above the vertical cylinders 5 and are fixedly connected with limit blocks 8;

[0022] The upper end surface of the second turntable 4 is fixedly connected with a plurality of limiting frames 9 respectively located below a plurality of vertical cylinders 5. Through holes 10 respectively matching the plurality of vertical cylinders 5 are formed through the upper end surfaces of the plurality of limiting frames 9. Through holes 11 respectively located below the plurality of through holes 10 are formed through the upper end surface of the second turntable 4. The plurality of female dies 11 respectively match the plurality of male dies 7;

[0023] The upper end surface of the workbench 1 is fixedly connected with an L-shaped plate 12. An electric telescopic rod 13 is installed on the upper end surface of the L-shaped plate 12. A storage groove 14 is formed in the lower end surface of the L-shaped plate 12. The output end of the electric telescopic rod 13 passes through the storage groove 14 and extends below the L-shaped plate 12. The output end of the electric telescopic rod 13 is fixedly connected with a limiting groove 15 matching the storage groove 14.

[0024] In this embodiment: During use, the workpiece is passed through the limiting frame 9 on the right side, so that the point on the workpiece to be punched is located below the through hole 10. The workpiece is limited by the limiting frame 9 to prevent the workpiece from being misaligned. Then the electric telescopic rod 13 extends. The electric telescopic rod 13 pushes the moving rod 6 on the right side downward through the limiting groove 15. When the moving rod 6 moves downward, the moving rod 6 squeezes the spring 21 to contract. The moving rod 6 on the right side drives the male die 7 to pass through the through hole 10 and abut against the point on the workpiece to be punched. Then the male die 7 continues to move downward. The workpiece is punched through the mutual cooperation between the male die 7 and the female die 11. After the punching is completed, the electric telescopic rod 13 contracts. The electric telescopic rod 13 drives the limiting groove 15 to move upward. At the same time, the spring 21 rebounds. The spring 21 drives the moving rod 6 to move upward and reset following the limiting groove 15;

[0025] When replacing the punching die, the electric telescopic rod 13 contracts. The electric telescopic rod 13 drives the limiting groove 15 to move upward and enter the storage groove 14, so that the limiting groove 15 is disengaged from the limiting block 8, preventing the limiting groove 15 and the limiting block 8 from affecting the rotation of the first turntable 3 and the second turntable 4;

[0026] Then the rotating shaft 2 rotates 90 degrees. The rotating shaft 2 drives the first turntable 3 and the second turntable 4 to rotate, so that the plurality of vertical cylinders 5, the plurality of limiting frames 9 and the plurality of female dies 11 change positions. Thus, the male dies 7 and the female dies 11 with different outer diameter sizes are rotated to the right side. Then the electric telescopic rod 13 extends. The electric telescopic rod 13 drives the limiting groove 15 to move downward, so that the limiting block 8 enters another limiting groove 15. Through the mutual cooperation between the limiting groove 15 and the limiting block 8, the output end of the electric telescopic rod 13 and the moving rod 6 are positioned, preventing the output end of the electric telescopic rod 13 and the moving rod 6 from being misaligned during the punching process. Then the electric telescopic rod 13 stops extending, thus facilitating the rapid replacement of the punching die, improving the replacement efficiency of the punching die, and further improving the processing efficiency of the workpiece.

[0027] As a technical optimization solution of the utility model, a driving box 16 is fixedly connected to the lower end surface of the workbench 1. The lower end of the rotating shaft 2 extends into the interior of the driving box 16 and is fixedly connected to a worm gear 17. A worm 18 meshing with the worm gear 17 is rotatably connected inside the driving box 16.

[0028] In this embodiment: When the worm 18 rotates, the worm 18 drives the worm gear 17 to rotate, and the worm gear 17 drives the rotating shaft 2 to rotate.

[0029] As a technical optimization solution of the utility model, a sliding groove 19 is formed in the inner wall of the vertical cylinder 5. A sliding block 20 matching the sliding groove 19 is fixedly connected to the outer wall of the moving rod 6. A spring 21 is fixedly connected between the lower end inside the sliding groove 19 and the lower end surface of the sliding block 20.

[0030] In this embodiment: When the moving rod 6 moves downward, the moving rod 6 squeezes the spring 21 to contract. After punching is completed, the spring 21 rebounds, and the spring 21 drives the moving rod 6 to reset. At the same time, the sliding block 20 and the sliding groove 19 can make the moving rod 6 move smoothly.

[0031] As a technical optimization solution of the utility model, a motor 22 is installed on the rear end surface of the driving box 16, and the output end of the motor 22 is fixedly connected to the worm 18.

[0032] In this embodiment: When the motor 22 is started, the motor 22 drives the worm 18 to rotate.

[0033] As a technical optimization solution of the utility model, a control panel 23 is installed on the rear end surface of the workbench 1, and the control panel 23 is electrically connected to the electric telescopic rod 13 and the motor 22 respectively.

[0034] In this embodiment: The control panel 23 facilitates the control of the electric telescopic rod 13 and the motor 22.

[0035] As a technical optimization solution of the utility model, two support blocks 24 distributed front and rear and located on the right side of the rotating shaft 2 are fixedly connected to the upper end surface of the workbench 1, and the upper end surface of the support block 24 abuts against the lower end surface of the second turntable 4.

[0036] In this embodiment: The support block 24 can support the second turntable 4 to prevent the second turntable 4 from deforming during the punching process.

[0037] Working principle: When in use, pass the workpiece through the right limiting frame 9 so that the point on the workpiece to be punched is located below the through hole 10. Limit the workpiece through the limiting frame 9 to prevent the workpiece from being misaligned. Then, the electric telescopic rod 13 extends. The electric telescopic rod 13 pushes the moving rod 6 on the right downward through the limiting groove 15. When the moving rod 6 moves downward, the moving rod 6 squeezes the spring 21 to contract. The moving rod 6 on the right drives the punch 7 to pass through the through hole 10 and abut against the point on the workpiece to be punched. Then, the punch 7 continues to move downward, and the workpiece is punched through the mutual cooperation between the punch 7 and the die 11. After the punching is completed, the electric telescopic rod 13 contracts. The electric telescopic rod 13 drives the limiting groove 15 to move upward. At the same time, the spring 21 rebounds, and the spring 21 drives the moving rod 6 to move upward and reset following the limiting groove 15;

[0038] When replacing the punching die, the electric telescopic rod 13 contracts. The electric telescopic rod 13 drives the limiting groove 15 to move upward and enter the storage groove 14, so that the limiting groove 15 is disengaged from the limiting block 8, preventing the limiting groove 15 and the limiting block 8 from affecting the rotation of the first turntable 3 and the second turntable 4;

[0039] Then start the motor 22. The motor 22 drives the worm 18 to rotate. The worm 18 drives the worm gear 17 to rotate. The worm gear 17 drives the rotating shaft 2 to rotate 90 degrees. The rotating shaft 2 drives the first turntable 3 and the second turntable 4 to rotate, so that multiple vertical cylinders 5, multiple limiting frames 9 and multiple dies 11 change positions, and then the punches 7 and dies 11 with different outer diameter sizes are rotated to the right. Then, the electric telescopic rod 13 extends. The electric telescopic rod 13 drives the limiting groove 15 to move downward, so that the limiting block 8 enters another limiting groove 15. Through the mutual cooperation between the limiting groove 15 and the limiting block 8, the output end of the electric telescopic rod 13 and the moving rod 6 are positioned, preventing the output end of the electric telescopic rod 13 and the moving rod 6 from being misaligned during the punching process. Then, the electric telescopic rod 13 stops extending, thus facilitating the quick replacement of the punching die, improving the replacement efficiency of the punching die, and further improving the processing efficiency of the workpiece.

[0040] The above is only the preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A punching die facilitating the switching of punching punches, comprising a workbench (1), characterized in that: A rotating shaft (2) is rotatably connected to the upper end surface of the workbench (1). Two first turntables (3) and second turntables (4) which are distributed up and down are fixedly connected to the outer wall of the rotating shaft (2). A plurality of vertically arranged cylinders (5) which are evenly distributed are fixedly connected to the upper end surface of the first turntable (3). The lower ends of the plurality of cylinders (5) all extend below the first turntable (3). A moving rod (6) is slidably connected to the inside of each of the plurality of cylinders (5). A punch (7) with different outer diameter sizes is fixedly connected to the lower end surface of each of the plurality of moving rods (6). The upper ends of the plurality of moving rods (6) all extend above the cylinders (5) and are fixedly connected with a limiting block (8). A plurality of limiting frames (9) which are respectively located below the plurality of cylinders (5) are fixedly connected to the upper end surface of the second turntable (4). A through hole (10) which is respectively matched with each of the plurality of cylinders (5) is formed through the upper end surface of each of the plurality of limiting frames (9). A plurality of die cavities (11) which are respectively located below the plurality of through holes (10) are formed through the upper end surface of the second turntable (4). The plurality of die cavities (11) are respectively matched with the plurality of punches (7). An L-shaped plate (12) is fixedly connected to the upper end surface of the workbench (1). An electric telescopic rod (13) is installed on the upper end surface of the L-shaped plate (12). A storage groove (14) is formed in the lower end surface of the L-shaped plate (12). The output end of the electric telescopic rod (13) passes through the storage groove (14) and extends below the L-shaped plate (12). A limiting groove (15) which is matched with the storage groove (14) is fixedly connected to the output end of the electric telescopic rod (13).

2. The punching die for facilitating the switching of punching punches according to claim 1, characterized in that: A driving box (16) is fixedly connected to the lower end surface of the workbench (1). The lower end of the rotating shaft (2) extends into the driving box (16) and is fixedly connected with a worm gear (17). A worm (18) which is meshed with the worm gear (17) is rotatably connected to the inside of the driving box (16).

3. The punching die for facilitating the switching of a punching punch according to claim 1, characterized in that: A sliding groove (19) is formed in the inner wall of the cylinder (5). A sliding block (20) which is matched with the sliding groove (19) is fixedly connected to the outer wall of the moving rod (6). A spring (21) is fixedly connected between the lower end inside the sliding groove (19) and the lower end surface of the sliding block (20).

4. The punching die for facilitating the switching of a punching punch according to claim 2, characterized in that: A motor (22) is installed on the rear end surface of the driving box (16). The output end of the motor (22) is fixedly connected with the worm (18).

5. The punching die for facilitating the switching of a punching punch according to claim 4, characterized in that: A control panel (23) is installed on the rear end surface of the workbench (1). The control panel (23) is electrically connected to the electric telescopic rod (13) and the motor (22) respectively.

6. The punching die for facilitating the switching of punching punches according to claim 5, wherein: Two support blocks (24) which are distributed front and back and are located on the right side of the rotating shaft (2) are fixedly connected to the upper end surface of the workbench (1). The upper end surface of the support block (24) abuts against the lower end surface of the second turntable (4).

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