Efficient reshaping type punching die
By designing an efficient return-type punching die and using springs, contact plates, grinding grooves, motors and gear structures to grind the edges of holes, the burr problem of the punching die is solved. The waste collection structure reduces the cleaning burden, improves product quality and reduces noise.
Patent Information
- Application Number
- CN202422811211.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2034-11-19
AI Technical Summary
Existing punching dies have burrs on the punching edges after processing, which affects product quality and requires high labor intensity to clean up the waste.
An efficient return punching die was designed, which includes a spring, a contact plate, a grinding pattern, a motor, a rotating shaft and a gear structure. It is used to grind the edges of holes and collect waste through a waste drawer and a blanking hole.
Effectively reduce burrs on punching edges, improve product quality, reduce the labor intensity of manual waste cleaning, and reduce equipment vibration and noise.
Smart Images

Figure CN223476080U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of punching die technology, and in particular to a high-efficiency return-type punching die. Background Technology
[0002] Punching dies are specialized tools used for punching holes in metals or other materials. They use pressure applied by a punch press to press the material into the desired hole shape. Punching dies are widely used in many industries, including automobile manufacturing, electronics, home appliance manufacturing, and aerospace.
[0003] However, existing punching dies still have certain defects. For example, after the workpiece is punched, burrs will be generated at the edge of the punch, resulting in uneven punching edges and affecting product quality. Secondly, the waste material after punching needs to be cleaned up by workers, which is labor-intensive. Utility Model Content
[0004] The purpose of this utility model is to solve at least one of the technical problems existing in the prior art, and to provide a high-efficiency return-type punching die that can grind the holes after punching, thereby effectively reducing burrs on the punching edge, improving product quality, and collecting the waste generated during the punching process, thereby avoiding the trouble of manual cleaning and reducing the labor intensity of workers.
[0005] This utility model also provides a high-efficiency return-type punching die as described above, comprising:
[0006] A processing table has a guide rod fixedly connected to its upper surface, a fixed plate fixedly connected to the upper end of the guide rod, a cylinder fixedly connected to the upper surface of the fixed plate, a telescopic rod provided at the output end of the cylinder, a connecting plate fixedly connected to the lower end of the telescopic rod, a fixed frame fixedly connected to the lower surface of the connecting plate, a punching rod rotatably connected to the inner surface of the fixed frame, a mold table fixedly connected to the upper surface of the processing table, a waste material drawer provided on the inner surface of the processing table, a support column fixedly connected to the lower surface of the processing table, a shock-absorbing pad provided on the lower surface of the support column, a placement groove provided on the upper surface of the mold table, a punching hole provided on the inner surface of the placement groove, and a material discharge hole provided on the upper surface of the processing table.
[0007] A spring is fixedly connected to the lower surface of the fixed frame, and a contact plate is fixedly connected to the lower end of the spring. The outer surface of the punch rod is provided with grinding texture. A motor is fixedly connected to the inner surface of the fixed frame. A rotating shaft is fixedly connected to the output end of the motor. A first gear is fixedly connected to the outer surface of the rotating shaft, and a second gear is fixedly connected to the outer surface of the punch rod.
[0008] According to the high-efficiency return-type punching die, the outer surface of the contact plate is provided with a through hole, the diameter of which is larger than the diameter of the punching rod, so as to avoid hindering the movement of the punching rod.
[0009] According to the high-efficiency return-type punching die, the outer surface of the guide rod is slidably connected to the connecting plate, and there are two guide rods distributed left and right to improve the stability of the connecting plate when it moves downward.
[0010] According to the high-efficiency return-type punching die, the punching rod corresponds to the punching hole, and the punching hole corresponds to the blanking hole, which facilitates punching and collection of waste material after punching.
[0011] According to the aforementioned high-efficiency return-type punching die, the front surface of the waste drawer is provided with a handle to facilitate the removal of the waste drawer, and the number of support columns is four and they are distributed in a rectangular array to support the entire device.
[0012] According to the high-efficiency return punching die, the first gear meshes with the second gear.
[0013] According to the aforementioned high-efficiency return-type punching die, the number of springs is four and they are distributed in a rectangular array.
[0014] According to the high-efficiency return-type punching die, the motor is electrically connected to an external power source.
[0015] Compared with the prior art, the beneficial effects of this utility model are:
[0016] 1. By setting up springs, contact plates, grinding grooves, motors, rotating shafts, first gears and second gears, the holes after punching can be ground, thereby effectively reducing burrs on the punching edges and improving product quality;
[0017] 2. By setting up a waste collection box, punching holes and discharge holes, the waste generated during the punching process can be collected, thus avoiding the trouble of manual cleaning and reducing the labor intensity of the workers. In addition, by setting up shock-absorbing pads, the vibration and noise generated by this device during operation can be effectively reduced, improving its practicality.
[0018] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments;
[0020] Figure 1 This is a schematic diagram of the overall structure of a high-efficiency return-type punching die according to the present invention;
[0021] Figure 2 This is a partial structural cross-sectional view of a high-efficiency return-type punching die according to this utility model;
[0022] Figure 3 This is a cross-sectional view of the internal structure of a high-efficiency return-type punching die according to this utility model;
[0023] Figure 4 This is a partial structural diagram of a high-efficiency return-type punching die according to the present invention.
[0024] Legend:
[0025] 1. Processing table; 2. Guide rod; 3. Fixing plate; 4. Cylinder; 5. Telescopic rod; 6. Connecting plate; 7. Fixing frame; 8. Punching rod; 9. Mold table; 10. Scrap drawer; 11. Support column; 12. Shock-absorbing pad; 13. Placement slot; 14. Punching hole; 15. Blanking hole; 16. Spring; 17. Contact plate; 18. Grinding texture; 19. Motor; 20. Rotating shaft; 21. First gear; 22. Second gear; 23. Through hole. Detailed Implementation
[0026] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.
[0027] Reference Figure 1-4This utility model discloses a high-efficiency return-type punching die, comprising: a processing table 1, a guide rod 2 fixedly connected to the upper surface of the processing table 1, the guide rod 2 improving the stability of the connecting plate 6 during downward movement; a fixing plate 3 fixedly connected to the upper end of the guide rod 2; a cylinder 4 fixedly connected to the upper surface of the fixing plate 3; a telescopic rod 5 provided at the output end of the cylinder 4; a connecting plate 6 fixedly connected to the lower end of the telescopic rod 5; a fixing frame 7 fixedly connected to the lower surface of the connecting plate 6; a punching rod 8 rotatably connected to the inner surface of the fixing frame 7; a die table 9 fixedly connected to the upper surface of the processing table 1; and a waste material drawer provided on the inner surface of the processing table 1. 10. A support column 11 is fixedly connected to the lower surface of the processing table 1. A shock-absorbing pad 12 is provided on the lower surface of the support column 11. A placement groove 13 is provided on the upper surface of the mold table 9. The placement groove 13 is designed to facilitate the placement of the processed parts. A punching hole 14 is provided on the inner surface of the placement groove 13. A material discharge hole 15 is provided on the upper surface of the processing table 1. The outer surface of the guide rod 2 is slidably connected to the connecting plate 6. There are two guide rods 2, which are distributed on the left and right. The punching rod 8 corresponds to the punching hole 14. The punching hole 14 corresponds to the material discharge hole 15. A handle is provided on the front surface of the waste material drawer 10. There are four support columns 11, which are distributed in a rectangular array.
[0028] A spring 16 is fixedly connected to the lower surface of the fixed frame 7, and a contact plate 17 is fixedly connected to the lower end of the spring 16. The contact plate 17 is designed to facilitate the closing of the cylinder 4 after it contacts the mold table 9. The outer surface of the punch rod 8 is provided with grinding texture 18. A motor 19 is fixedly connected to the inner surface of the fixed frame 7. A rotating shaft 20 is fixedly connected to the output end of the motor 19. A first gear 21 is fixedly connected to the outer surface of the rotating shaft 20. A second gear 22 is fixedly connected to the outer surface of the punch rod 8. A through hole 23 is provided on the outer surface of the contact plate 17. The diameter of the through hole 23 is larger than the diameter of the punch rod 8. The first gear 21 and the second gear 22 mesh with each other. There are four springs 16 arranged in a rectangular array. The motor 19 is electrically connected to an external power source.
[0029] Working principle: During operation, the workpiece is placed in the placement slot 13. The cylinder 4 is activated, driving the telescopic rod 5 to move the connecting plate 6 downwards until the contact plate 17 contacts the mold table 9 and stops. Then, the punching rod 8 punches the workpiece. The waste material after punching falls into the waste collection box 10 through the punching hole 14 and the discharge hole 15 for collection, thereby reducing the labor intensity of the workers during cleaning. After punching, the cylinder 4 is activated again to drive the punching rod 8 downwards until the grinding marks 18 on the punching rod 8 contact the punched hole of the workpiece and stops. Then, the motor 19 is activated, driving the rotating shaft 20 to drive the first gear 21, the second gear 22, and the punching rod 8 to rotate. Under the action of the grinding marks 18, the punched hole is ground, reducing burrs on the punched edge and improving product quality. In addition, during the entire operation of the device, the vibration damping pad 12 can effectively buffer the vibration noise generated by the device during operation, improving practicality.
[0030] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. A high-efficiency return-type punching die, characterized in that, include: A processing table (1) is provided. A guide rod (2) is fixedly connected to the upper surface of the processing table (1). A fixing plate (3) is fixedly connected to the upper end of the guide rod (2). A cylinder (4) is fixedly connected to the upper surface of the fixing plate (3). A telescopic rod (5) is provided at the output end of the cylinder (4). A connecting plate (6) is fixedly connected to the lower end of the telescopic rod (5). A fixing frame (7) is fixedly connected to the lower surface of the connecting plate (6). A punching rod (8) is rotatably connected to the inner surface of the fixing frame (7). The upper surface of the processing table (1) is fixedly connected to a mold table (9), the inner surface of the processing table (1) is provided with a waste drawer (10), the lower surface of the processing table (1) is fixedly connected to a support column (11), the lower surface of the support column (11) is provided with a shock-absorbing pad (12), the upper surface of the mold table (9) is provided with a placement groove (13), the inner surface of the placement groove (13) is provided with a stamping hole (14), and the upper surface of the processing table (1) is provided with a material discharge hole (15). A spring (16) is fixedly connected to the lower surface of the fixed frame (7), and a contact plate (17) is fixedly connected to the lower end of the spring (16). A grinding texture (18) is provided on the outer surface of the punching rod (8). A motor (19) is fixedly connected to the inner surface of the fixed frame (7). A rotating shaft (20) is fixedly connected to the output end of the motor (19). A first gear (21) is fixedly connected to the outer surface of the rotating shaft (20), and a second gear (22) is fixedly connected to the outer surface of the punching rod (8).
2. The high-efficiency return-type punching die according to claim 1, characterized in that, The outer surface of the contact plate (17) is provided with a through hole (23), the diameter of which is larger than the diameter of the punch rod (8).
3. The high-efficiency return-type punching die according to claim 1, characterized in that, The outer surface of the guide rod (2) is slidably connected to the connecting plate (6), and there are two guide rods (2) distributed on the left and right.
4. The high-efficiency return-type punching die according to claim 1, characterized in that, The punching rod (8) corresponds to the punching hole (14), and the punching hole (14) corresponds to the blanking hole (15).
5. The high-efficiency return-type punching die according to claim 1, characterized in that, The front surface of the waste drawer (10) is provided with a handle, and the number of the support columns (11) is four and they are distributed in a rectangular array.
6. The high-efficiency return-type punching die according to claim 1, characterized in that, The first gear (21) meshes with the second gear (22).
7. The high-efficiency return-type punching die according to claim 1, characterized in that, The number of springs (16) is four, and they are arranged in a rectangular array.
8. The high-efficiency return-type punching die according to claim 1, characterized in that, The motor (19) is electrically connected to an external power source.