Hole flanging punch of automobile part stamping die
By designing a punch with buffer and disassembly components for automotive parts stamping dies, the problem of time-consuming punch replacement in existing technologies has been solved, enabling rapid disassembly and automatic reset, thus improving processing efficiency and adaptability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-16
- Publication Date
- 2026-04-10
AI Technical Summary
The replacement process for the existing stamping die's piercing punch is time-consuming, affecting processing efficiency.
A punch for turning holes in a stamping die for automotive parts, comprising a buffer component and a disassembly/assembly component, was designed. The buffer component dampens stamping vibration, and the disassembly/assembly component allows for quick replacement of the punch body, enabling rapid disassembly/assembly and automatic reset.
It improves the processing efficiency of stamping dies, enables quick replacement of punch bodies to meet diverse processing needs, and reduces the impact of vibration during the stamping process.
Smart Images

Figure CN224101635U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to die technical field, concretely is a kind of automobile parts stamping die hole flanging punch. BACKGROUND
[0002] The stamping die hole flanging punch is a cutting tool for metal stamping, mainly used for turning the metal plate and other materials into a side flange around the inner hole, and plays a key role in the stamping process, which can turn the inner hole of the stamping part outward to form a certain height of side edge.
[0003] For the above-mentioned related technology, there are some deficiencies when using: when the stamping mechanism drives the punch holder and the punch to start hole flanging, the punch needs to be replaced for various stationary processing needs, and the convenient replacement device can save processing time and improve processing efficiency.
[0004] Therefore, the utility model provides a kind of automobile parts stamping die hole flanging punch to solve the above problems. UTILITY MODEL CONTENTS
[0005] In view of the deficiencies of the prior art, the utility model provides a kind of automobile parts stamping die hole flanging punch, which solves the above problems.
[0006] To achieve the above purpose, the utility model is realized by the following technical scheme: a kind of automobile parts stamping die hole flanging punch, including top seat, buffer assembly is installed in top seat interior, buffer assembly bottom wall is fixedly installed with dismounting assembly;
[0007] The dismounting assembly includes a fixed seat, the top wall of the fixed seat is fixedly connected with the bottom wall of the buffer assembly, the bottom wall of the fixed seat is fixedly installed with a mounting seat, a circular groove is formed in the bottom wall of the mounting seat, a screw groove is formed in the inner wall of the circular groove, a through hole is formed in the inner wall of the circular groove, a threaded stud is screwed into the inner wall of the screw groove, a circular seat is fixedly installed at the bottom end of the threaded stud, a positioning hole is formed in the outer side wall of the circular seat and corresponds to the position of the through hole, a square groove is formed in the right side wall of the mounting seat and corresponds to the position of the through hole, and a positioning pin is inserted into the inner wall of the positioning hole and the through hole.
[0008] The bottom wall of the circular seat is fixedly installed with a connecting seat, the bottom wall of the connecting seat is fixedly installed with a hexagonal seat, and the bottom wall of the hexagonal seat is fixedly installed with a punch body.
[0009] Through the above technical scheme, the appropriate punch body can be selected and installed according to the processing needs, the overall dismounting process is relatively simple, the time consumption is short, and different processing needs can be matched.
[0010] Further, the outer wall of the circular seat is attached to the inner wall of the circular groove, the right end of the positioning pin is attached to the inner wall of the square groove, and a handle is recessed in the right end of the positioning pin.
[0011] Through the technical scheme, the positioning hole and the through hole are in a linear communication state after the round seat enters the inner wall of the round groove.
[0012] Further, the buffer assembly comprises a circular column, the bottom end of the circular column is fixedly installed with a lifting plate, and the bottom wall of the lifting plate is fixedly connected with the top wall of the fixed seat.
[0013] Through the technical scheme, the lifting plate can drive the disassembly and assembly assembly to move up and down, and the circular column can slide in the inner wall of the through groove.
[0014] Further, the top wall of the lifting plate is fixedly installed with a positioning rod at each corner, the bottom wall of the top seat is provided with a positioning groove at each corner, and the inner wall of each positioning groove is slidably connected with the outer wall of the corresponding positioning rod.
[0015] Through the technical scheme, the positioning rod and the positioning groove work together to mainly position the lifting plate to prevent position deviation.
[0016] Further, the top seat is internally provided with a through groove, the inner top wall of the through groove is fixedly installed with a buffer spring, the bottom end of the buffer spring is fixedly installed with a sliding seat, and the outer wall of the sliding seat is slidably connected with the inner wall of the through groove.
[0017] Through the technical scheme, the sliding seat slides in the inner wall of the through groove, which drives the buffer spring to compress and rebound, and further drives the punch body to stamp and reset.
[0018] Further, the outer wall of the sliding seat is uniformly fixed with a plurality of limiting sliding blocks, the inner wall of the through groove is provided with a limiting sliding groove at a position corresponding to the limiting sliding block, and the inner wall of each limiting sliding groove is slidably connected with the outer wall of the corresponding limiting sliding block.
[0019] Through the technical scheme, the limiting sliding block and the limiting sliding groove work together to mainly limit the sliding to prevent position deviation.
[0020] Further, the outer wall of the top seat is fixedly installed with a mounting bracket at the top, and the top wall of the mounting bracket is provided with a mounting hole at each corner.
[0021] Through the technical scheme, the mounting bracket and the mounting hole are provided to mainly install the whole device at the bottom position of the stamping die.
[0022] Advantages
[0023] The utility model provides a kind of automobile parts punch press die hole flanging punch.Compared with prior art, it has the following advantages:
[0024] (1), the automobile parts stamping die flanging punch, through the mutual cooperation of the buffer assembly and the dismounting assembly, when the punch body is used for stamping workpiece, first, the appropriate punch body can be selected according to the use requirement, and the whole dismounting process is relatively time-saving, which can meet the matching according to different processing needs, the vibration generated in the stamping process is reduced and buffered, and the punch body is automatically reset after stamping. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 is the overall structure front view of the utility model;
[0026] Figure 2 is the internal structure front view of the utility model Figure 1 ;
[0027] Figure 3 is the internal structure front view of the utility model Figure 2 ;
[0028] Figure 4 is the buffer assembly and the dismounting assembly internal structure explosion view of the utility model;
[0029] Figure 5 is the buffer assembly and the dismounting assembly internal structure explosion view of the utility model.
[0030] In the drawing, 1, top seat, 2, mounting frame, 3, mounting hole, 4, buffer assembly, 41, through slot, 42, buffer spring, 43, limiting sliding slot, 44, sliding seat, 45, limiting sliding block, 46, positioning rod, 47, positioning groove, 48, circular column, 49, lifting plate, 5, dismounting assembly, 51, fixed seat, 52, mounting seat, 53, screw groove, 54, through hole, 55, square slot, 56, positioning pin, 57, stud, 58, connecting seat, 59, hexagonal seat, 510, punch body, 511, round seat, 512, positioning hole, 513, circular groove. DETAILED DESCRIPTION
[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0032] Embodiment one:
[0033] Please refer to Figures 1-5The utility model provides an automobile part stamping die hole flanging punch, including top seat 1, the inside installation of top seat 1 has buffer assembly 4, and buffer assembly 4 bottom wall fixedly installs and dismounts assembly 5;
[0034] Dismounting assembly 5 includes fixed seat 51, and the top wall of fixed seat 51 is fixedly connected with the bottom wall of buffer assembly 4, and the bottom wall of fixed seat 51 is fixedly installed with mounting seat 52, the bottom wall of mounting seat 52 is provided with circular groove 513, the inner wall of circular groove 513 is provided with screw groove 53, the inner wall of circular groove 513 is provided with through hole 54, the inner wall of screw groove 53 is screw-connected with stud 57, the bottom end of stud 57 is fixedly installed with circular seat 511, the outer side wall of circular seat 511 is provided with positioning hole 512 at the position corresponding to through hole 54, the right side wall of mounting seat 52 is provided with square groove 55 at the position corresponding to through hole 54, and the inner walls of positioning hole 512 and through hole 54 are all inserted with positioning pin 56;
[0035] The bottom wall of circular seat 511 is fixedly installed with connecting seat 58, the bottom wall of connecting seat 58 is fixedly installed with hexagonal seat 59, the bottom wall of hexagonal seat 59 is fixedly installed with punch body 510, the outer wall of circular seat 511 is attached with the inner wall of circular groove 513, the right end of positioning pin 56 is attached with the inner wall of square groove 55, and the right end of positioning pin 56 is recessed and provided with handle;
[0036] In the embodiment of the utility model, the purpose of the setting is that when facing different processing needs, the dismounting assembly 5 can quickly realize the dismounting and mounting of punch body 510, the overall dismounting work takes a shorter time, and has good practicability when being used, can satisfy the diversified processing needs, and improves the functionality of the whole device.
[0037] Embodiment two:
[0038] Please refer to Figures 1-5 The embodiment provides a technical scheme based on the embodiment one: buffer assembly 4 includes circular column 48, and the bottom end of circular column 48 is fixedly installed with lifting plate 49, the bottom wall of lifting plate 49 is fixedly connected with the top wall of fixed seat 51, the top wall of lifting plate 49 is fixedly installed with positioning rod 46 at four corners, the bottom wall of top seat 1 is provided with positioning groove 47 at four corners, the inner walls of a plurality of positioning grooves 47 are all slidably connected with the outer walls of corresponding positioning rods 46, the inside of top seat 1 is provided with through groove 41, the inner top wall of through groove 41 is fixedly installed with buffer spring 42, the bottom end of buffer spring 42 is fixedly installed with sliding seat 44, the outer wall of sliding seat 44 is slidably connected with the inner wall of through groove 41, the outer wall of sliding seat 44 is uniformly fixed with a plurality of limiting sliding blocks 45, the inner wall of through groove 41 is provided with limiting sliding groove 43 at the position corresponding to limiting sliding block 45, and the inner walls of a plurality of limiting sliding grooves 43 are all slidably connected with the outer walls of corresponding limiting sliding blocks 45, and the top wall of mounting frame 2 is fixedly installed with mounting hole 3 at four corners.
[0039] In the embodiment of the utility model, the purpose of the setting is that the setting of the buffer assembly 4 can buffer the vibration and impact force generated in the stamping process when the punch body 510 is used to stamp the workpiece, and the punch body 510 can be reset for the next stamping work through the rebounding action of the buffer spring 42 after each stamping is completed.
[0040] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by the person skilled in the art.
[0041] The working principle of the device is that when the whole device works, the movable top seat 1 drives the mounting frame 2 and the mounting hole 3 to be connected with the automobile part stamping die, the mounting hole 3 is screwed and fixed with the die through the fastening bolt penetrating through the mounting frame 2, so that the mounting and fixing of the whole device are completed.
[0042] First, the appropriate punch body 510 is selected according to the need of stamping and hole flanging, the connecting seat 58 and the circular seat 511 are driven to move upward by the movable punch body 510 and the hexagonal seat 59, so that the stud 57 is screwed into the inner wall of the screw groove 53 through the circular groove 513 and is gradually locked, then the hexagonal seat 59 is slowly rotated by a tool such as a wrench, the connecting seat 58 and the circular seat 511 are driven to move upward, the stud 57 is gradually locked with the screw groove 53, and at the same time, the circular seat 511 enters the inner wall of the circular groove 513, so that the positioning hole 512 is matched with the position of the penetrating hole 54, then the circular seat 511 is limited and abutted by the positioning pin 56 penetrating through the square groove 55 and then penetrating through the penetrating hole 54 and the positioning hole 512, so that the rotation of the circular seat 511 is prevented, and the mounting and fixing of the punch body 510 are completed.
[0043] When the die starts stamping work, the buffer assembly 4 and the dismounting assembly 5 are driven to move downward by pushing the top seat 1, so that the punch body 510 gradually contacts the workpiece under stress, when the punch body 510 starts to contact the workpiece under stress, the circular column 48 is pushed into the inner wall of the through groove 41 by the lifting plate 49 driving the slide 44, when the slide 44 slides in the inner wall of the through groove 41, the buffer spring 42 is compressed and the limiting slide block 45 slides in the inner wall of the corresponding limiting sliding groove 43, at the same time, the positioning rod 46 is driven into the inner wall of the corresponding positioning groove 47 by the lifting plate 49, so that the position rotation is prevented, when the limiting slide block 45 enters the top of the limiting sliding groove 43, the punch body 510 starts to stamp and hole flange the workpiece by continuously pressing, and the slide 44 and the circular column 48 slide downward under the elastic action of the buffer spring 42 after stamping is completed, the limiting slide block 45 slides downward in the inner wall of the limiting sliding groove 43, so that the circular column 48 drives the lifting plate 49, the dismounting assembly 5 and the punch body 510 to reset.
[0044] The vibration generated in the punching process is buffered by the continuous punching work, and the punch body 510 is reset after the punching.
[0045] It is to be noted that the relative terms such as first and second and the like are used herein solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0046] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An automobile part stamping die flanging punch, characterized by: Including the top seat (1), the buffer assembly (4) is installed inside the top seat (1), and the bottom wall of the buffer assembly (4) is fixedly installed with the dismounting assembly (5); The dismounting assembly (5) includes a fixed seat (51), the top wall of the fixed seat (51) is fixedly connected with the bottom wall of the buffer assembly (4), the bottom wall of the fixed seat (51) is fixedly installed with a mounting seat (52), the bottom wall of the mounting seat (52) is provided with a circular groove (513), the inner wall of the circular groove (513) is provided with a screw groove (53), the inner wall of the circular groove (513) is provided with a through hole (54), the inner wall of the screw groove (53) is screwed with a stud (57), the bottom end of the stud (57) is fixedly installed with a circular seat (511), the outer side wall of the circular seat (511) is provided with a positioning hole (512) at a position corresponding to the through hole (54), and the right side wall of the mounting seat (52) is provided with a square groove (55) at a position corresponding to the through hole (54). The inner walls of the positioning hole (512) and the through hole (54) are both inserted and connected with a positioning pin (56); The bottom wall of the circular seat (511) is fixedly installed with a connecting seat (58), the bottom wall of the connecting seat (58) is fixedly installed with a hexagonal seat (59), and the bottom wall of the hexagonal seat (59) is fixedly installed with a punch body (510).
2. The automotive part stamping die flanging punch of claim 1, wherein: The outer wall of the circular seat (511) is attached to the inner wall of the circular groove (513), the right end of the positioning pin (56) is attached to the inner wall of the square groove (55), and the right end of the positioning pin (56) is recessed to form a handle.
3. The automotive part stamping die flanging punch of claim 1, wherein: The buffer assembly (4) includes a circular column (48), the bottom end of the circular column (48) is fixedly installed with a lifting plate (49), and the bottom wall of the lifting plate (49) is fixedly connected with the top wall of the fixed seat (51).
4. The automotive part stamping die flanging punch of claim 3, wherein: The top wall of the lifting plate (49) is fixedly installed with a positioning rod (46) at each corner, the bottom wall of the top seat (1) is provided with a positioning groove (47) at each corner, and the inner walls of the positioning grooves (47) are all slidingly connected with the outer walls of the corresponding positioning rods (46).
5. The automotive part stamping die flanging punch of claim 1, wherein: The inner top wall of the through groove (41) is fixedly installed with a buffer spring (42), the bottom end of the buffer spring (42) is fixedly installed with a sliding seat (44), and the outer wall of the sliding seat (44) is slidingly connected with the inner wall of the through groove (41).
6. The automotive part stamping die flanging punch of claim 5, wherein: The outer wall of the sliding seat (44) is uniformly fixed with a plurality of limiting sliding blocks (45), the inner wall of the through groove (41) is provided with a limiting sliding groove (43) at a position corresponding to the limiting sliding block (45), and the inner walls of the limiting sliding grooves (43) are all slidingly connected with the outer walls of the corresponding limiting sliding blocks (45).
7. The automotive part stamping die flanging punch of claim 1, wherein: The outer wall of the top seat (1) is fixedly installed with a mounting frame (2) at the top, and the top wall of the mounting frame (2) is provided with a mounting hole (3) at each corner.