Punching device for hinge plate of automobile side door
By introducing precise positioning structure and adjustable stamping head into the automotive side door hinge chain plate punching device, the problems of inaccurate punching position and low applicability of the chain plate are solved, and high-quality and diverse punching processing is achieved.
Patent Information
- Application Number
- CN202422463875.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-12
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-10-12
AI Technical Summary
The existing automobile side door hinge chain plate punching device lacks positioning structures on both sides and rear ends of the chain plate, resulting in inaccurate punching position, affecting the processing quality, and the stamping head cannot be adjusted, which makes it less applicable.
A punching device including components such as base plate, hydraulic cylinder, upper mold seat, slide seat, limit plate, tie rod, positioning pin and electric push rod are designed. The precise positioning of the chain plate is achieved through arrows, rulers, positioning plates and electric push rods, and the stamping head is allowed to adjust its position to meet the processing needs of different spacings.
It ensures the accuracy of punching position, improves processing quality, and enhances the applicability of the equipment, and can meet a variety of punching processing needs.
Smart Images

Figure CN223234849U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile accessory punching, in particular to a punching device for an automobile side door hinge chain plate. Background Art
[0002] The hinge chain plate for a car's side door is a crucial component of the hinge. An automotive hinge, also known as a hinge or door hinge, is a mechanical device primarily used to connect two solid objects and allow them to rotate relative to each other. In automobiles, these hinges are widely used in doors, hoods, trunk lids, and fuel tank caps. During the production process, the hinge chain plate for a car's side door requires punching to facilitate subsequent installation.
[0003] Patent application number CN202323356036.7 discloses a punching device for a hinged chain plate of a vehicle side door. The device comprises a lower die and an upper die. The lower die is provided with two or more punching holes, and the upper die is provided with two or more punching blocks. The upper end of the upper die is provided with a fixed seat, and the fixed seat is connected to three or more lower pressure rods, which pass downward through the upper die. The four corners of the upper die are provided with punching connecting rods, which are driven by hydraulic cylinders, and the fixed seat is driven by an air cylinder. The utility model can realize batch punching of chain plates, and the lower pressure rod is provided to press the chain plates firmly to prevent the chain plates from tilting during punching, which may cause the punching position to be incorrect.
[0004] However, this patent still has some shortcomings. In actual use, this patent lacks a structure that can position the two sides and the rear end of the chain plate. It is easy to cause errors by relying solely on manual judgment of the position of the chain plate on the lower mold, resulting in inaccurate subsequent punching positions, affecting the processing quality of the chain plate. In addition, the multiple punching heads in this patent are an integrated structure with the upper mold and cannot be adjusted. Therefore, it cannot meet the punching processing requirements of different spacings, and the applicability of the equipment is low.
[0005] Therefore, we propose a punching device for the hinge chain plate of an automobile side door. Utility Model Content
[0006] The purpose of the utility model is to provide a punching device for a hinge chain plate of an automobile side door, so as to solve the problems raised in the above background technology.
[0007] The top end of the hydraulic cylinder is fixed with a hydraulic cylinder, and the bottom end of the hydraulic cylinder is fixed with a hydraulic cylinder, and the hydraulic cylinder is installed in the hydraulic cylinder to the hydraulic cylinder to the hydraulic cylinder.
[0008] Optionally, a drawer box is slidably connected to the front end of the lower die base, and the drawer box is used to collect waste generated during the stamping process.
[0009] Optionally, a slide groove is provided in the rear part of the drawer box in the lower die base, a threaded rod is rotatably connected in the slide groove, a slide plate is sleeved on the threaded rod, and a positioning plate is fixedly installed at the front end of the slide plate, and the stamped hinge chain plate can be limited by the positioning plate.
[0010] Optionally, an arrow is fixedly installed on the right side of the positioning plate, and a ruler is fixedly installed on the right side of the positioning plate on the lower die base, so that the distance between the positioning plate and the punching hole can be easily judged by the ruler and the arrow.
[0011] Optionally, a motor is fixedly mounted on the rear end of the lower die base, and the output end of the motor is fixedly mounted on the threaded rod. The motor drives the threaded rod to rotate, which is beneficial to the use of the device.
[0012] Optionally, electric push rods are fixedly installed on both sides of the frame, and fixed plates are fixedly installed on the output ends of the two electric push rods, so that the two sides of the hinge chain plate can be clamped and positioned through the fixed plates.
[0013] Optionally, a PLC controller is fixedly installed on the right side of the frame at the lower part of the electric push rod, and the PLC controller is used to facilitate the control of the device to work.
[0014] Optionally, the rear ends of the plurality of springs are fixedly mounted on the limit plate, and the front ends of the plurality of springs are fixedly mounted on the front end of the slide seat. This design is beneficial to the use of the device.
[0015] Compared with the prior art, the beneficial effects of the present invention are:
[0016] Through the mutual cooperation of arrows, rulers, fixed plates, electric push rods, threaded rods, motors, slides, positioning plates, slides, punching heads, mounting plates, limit plates, springs, pull rods, pull rings, positioning pins and positioning frames, the rear end and both sides of the chain plate can be positioned to ensure the accuracy of the punching position, thereby further improving the processing quality. At the same time, multiple punching heads can be adjusted left and right according to processing needs, so as to meet different punching processing requirements, thereby further improving the applicability of this equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the overall structure of a punching device for a hinge chain plate of an automobile side door according to the present utility model;
[0018] Figure 2 This is a cross-sectional view of a punching device for a hinge chain plate of an automobile side door according to the utility model;
[0019] Figure 3 This is a cross-sectional view of a threaded rod in a punching device for a hinge chain plate of an automobile side door according to the present utility model;
[0020] Figure 4 This is a cross-sectional view of a slide in a punching device for a hinge chain plate of an automobile side door according to the present invention;
[0021] Figure 5 This utility model is a punching device for the hinge chain plate of a car side door Figure 4 A magnified view of center.
[0022] In the figure: 1. Base plate; 2. Frame; 3. Upper die base; 4. PLC controller; 5. Lower die base; 6. Arrow; 7. Ruler; 8. Punching hole; 9. Fixing plate; 10. Electric push rod; 11. Drawer box; 12. Slide; 13. Threaded rod; 14. Motor; 15. Slide plate; 16. Positioning plate; 17. Slide; 18. Punching head; 19. Mounting plate; 20. Limit plate; 21. Spring; 22. Pull rod; 23. Pull ring; 24. Locating pin; 25. Positioning frame; 26. Positioning groove; 27. Hydraulic cylinder. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0024] See also Figures 1 to 5The utility model provides a punching device for a hinge chain plate of a side door of an automobile, comprising a bottom plate 1, a lower die base 5 is fixedly mounted on the bottom plate 1, a frame 2 is fixedly mounted on the outer side of the lower die base 5, two hydraulic cylinders 27 are fixedly mounted on the top of the frame 2, an upper die base 3 is fixedly mounted on the output ends of the two hydraulic cylinders 27, a plurality of slides 17 are slidably connected in the upper die base 3, a mounting plate 19 is fixedly mounted on the bottom ends of the plurality of mounting plates 19, a punch head 18 is fixedly mounted on the bottom ends of the plurality of slides 17, and a plurality of slides 17 are slidably connected in the upper die base 3. There is a limit plate 20, and the front ends of the multiple limit plates 20 are fixedly installed with pull rods 22, and the outer sides of the multiple pull rods 22 are sleeved with springs 21. The front ends of the multiple pull rods 22 are fixedly installed with pull rings 23, and the rear ends of the multiple pull rings 23 are fixedly installed with positioning pins 24. The top of the upper die base 3 is located in front of the output ends of the two hydraulic cylinders 27 and a positioning frame 25 is fixedly installed. The positioning frame 25 is provided with multiple positioning grooves 26, and the rear ends of the multiple positioning pins 24 are all inserted in the positioning grooves 26. The lower die base 5 is provided with multiple punching holes 8.
[0025] The front end of the lower die base 5 is slidably connected to a drawer box 11, which is convenient for collecting waste generated during the stamping process. A slide groove 12 is provided at the rear part of the drawer box 11 in the lower die base 5, and a threaded rod 13 is rotatably connected in the slide groove 12. A slide plate 15 is sleeved on the threaded rod 13, and a positioning plate 16 is fixedly installed at the front end of the slide plate 15. The positioning plate 16 can be used to limit the stamped hinge chain plate. An arrow 6 is fixedly installed on the right side of the positioning plate 16. A ruler 7 is fixedly installed on the right part of the positioning plate 16 on the lower die base 5. The ruler 7 and the arrow 6 are used to facilitate the judgment of the distance between the positioning plate 16 and the punching hole 8. The rear end of the lower die base 5 is fixedly installed with a motor 14. The motor The output end of 14 is fixedly mounted on the threaded rod 13. The rotation of the threaded rod 13 by the motor 14 is beneficial to the use of this equipment. Electric push rods 10 are fixedly mounted on both sides of the frame 2. Fixed plates 9 are fixedly mounted on the output ends of the two electric push rods 10. The fixed plates 9 can clamp and position the two sides of the hinge chain plate. A PLC controller 4 is fixedly mounted on the right side of the frame 2 at the lower part of the electric push rod 10. The PLC controller 4 is used to facilitate the control of this equipment to work. The rear ends of multiple springs 21 are fixedly mounted on the limit plate 20, and the front ends of multiple springs 21 are fixedly mounted on the front end of the slide 17. This design is beneficial to the use of this equipment.
[0026] Working principle: When in use, the switch of the motor 14 can be turned on, and the motor 14 drives the threaded rod 13 to rotate, so that the slide plate 15 drives the positioning plate 16 to slide forward to a suitable position and stop, and then the chain plate to be stamped is placed between the two fixed plates 9, so that the rear end of the chain plate is against the positioning plate 16, and the switch of the electric push rod 10 is turned on. The two electric push rods 10 drive the two fixed plates 9 to slide toward each other to clamp and fix the chain plate. According to the needs of stamping, the pull ring 23 can be pulled forward to make the positioning pin 24 extend out of the positioning groove 26. At this time, the slide seat 17 loses its limit, and the pull ring 23 can be used to drive the slide seat 17, the mounting plate 19 and the punch head 18 to slide left and right to adjust the punching The pressing position is then released, and the pull ring 23 is then released. At this time, the spring 21 drives the limit plate 20 to return, so that the positioning pin 24 is inserted into the corresponding positioning groove 26 to fix the slide 17 and the punch head 18 again. Finally, the switch of the hydraulic cylinder 27 is turned on, and the output end of the hydraulic cylinder 27 drives the upper die base 3 to descend for the punching operation. This automobile side door hinge chain plate punching device is easy to use. The rear end and both sides of the chain plate can be positioned by the above components to ensure that the punching position is accurate, thereby further improving the processing quality. At the same time, multiple punching heads 18 can be adjusted left and right according to processing needs, so as to meet different punching processing needs, thereby further improving the applicability of this equipment.
[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A punching device for a hinge chain plate of a car side door, characterized in that: The invention comprises a bottom plate (1), a lower die base (5) is fixedly mounted on the bottom plate (1), a frame (2) is fixedly mounted on the outer side of the lower die base (5), two hydraulic cylinders (27) are fixedly mounted on the top of the frame (2), an upper die base (3) is fixedly mounted on the output ends of the two hydraulic cylinders (27), a plurality of slides (17) are slidably connected in the upper die base (3), a mounting plate (19) is fixedly mounted on the bottom ends of the plurality of slides (17), a punch head (18) is fixedly mounted on the bottom ends of the plurality of mounting plates (19), a limiting plate (20) is slidably connected in the plurality of slides (17), and a plurality of limiting plates (20) are fixedly mounted on the bottom ends of the plurality of The front end of the positioning plate (20) is fixedly mounted with a pull rod (22), the outer sides of the plurality of pull rods (22) are sleeved with a spring (21), the front ends of the plurality of pull rods (22) are fixedly mounted with a pull ring (23), the rear ends of the plurality of pull rings (23) are fixedly mounted with a positioning pin (24), the top end of the upper die base (3) is located in front of the output ends of the two hydraulic cylinders (27) and a positioning frame (25) is fixedly mounted, the positioning frame (25) is provided with a plurality of positioning grooves (26), the rear ends of the plurality of positioning pins (24) are inserted into the positioning grooves (26), and the lower die base (5) is provided with a plurality of punching holes (8).
2. The punching device for a hinge chain plate of an automobile side door according to claim 1, characterized in that: The front end of the lower die base (5) is slidably connected to a drawer box (11).
3. The punching device for a hinge chain plate of an automobile side door according to claim 2, characterized in that: A slide groove (12) is provided in the lower die base (5) at the rear of the draw box (11), a threaded rod (13) is rotatably connected in the slide groove (12), a slide plate (15) is sleeved on the threaded rod (13), and a positioning plate (16) is fixedly installed at the front end of the slide plate (15).
4. The punching device for a hinge chain plate of an automobile side door according to claim 3, characterized in that: An arrow (6) is fixedly mounted on the right side of the positioning plate (16), and a scale (7) is fixedly mounted on the right side of the positioning plate (16) on the lower die base (5).
5. The punching device for a hinge chain plate of an automobile side door according to claim 3, characterized in that: A motor (14) is fixedly mounted on the rear end of the lower die base (5), and an output end of the motor (14) is fixedly mounted on the threaded rod (13).
6. The punching device for a hinge chain plate of an automobile side door according to claim 1, characterized in that: Electric push rods (10) are fixedly mounted on both sides of the frame (2), and fixed plates (9) are fixedly mounted on the output ends of the two electric push rods (10).
7. The punching device for a hinge chain plate of an automobile side door according to claim 6, characterized in that: A PLC controller (4) is fixedly mounted on the right side of the frame (2) below the electric push rod (10).
8. The punching device for a hinge chain plate of an automobile side door according to claim 1, characterized in that: The rear ends of the plurality of springs (21) are fixedly mounted on the limiting plate (20), and the front ends of the plurality of springs (21) are fixedly mounted on the front end of the slide seat (17).
Citation Information
Patent Citations
Punching device for hinge plate of automobile side door
CN221362238U
Cited By
Chain plate punching equipment for automobile side door hinge production
CN121732634A