Punching device for automobile spring piece

By designing a fixed plate and a rotating fixed seat, the problems of positional displacement and multi-position punching during the punching process of spring sheets are solved, achieving high-precision and flexible processing results.

CN223902729UActive Publication Date: 2026-02-13ZHEJIANG ZHENXIN AUTO PARTS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520443685.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2026-02-13
Estimated Expiration
2035-03-14

AI Technical Summary

Technical Problem

In the existing technology, the lack of a fixing structure during the punching process of spring sheets leads to the displacement of the punching position and makes it difficult to achieve multi-position punching.

Method used

A fixed plate is used to fix the spring sheet, and the position is adjusted by rotating the fixed base. Combined with the hydraulic cylinder to drive the punch head, multi-position punching is achieved.

Benefits of technology

Ensure punching accuracy, enable flexible multi-position machining of spring sheets, and improve machining accuracy and efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223902729U_ABST
    Figure CN223902729U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of automobile machining, and discloses a punching device for an automobile spring piece, which comprises a base, supporting columns are fixedly connected to four sides of the top end of the base, a top plate is fixedly connected to the top ends of the supporting columns, a hydraulic cylinder is fixedly connected to the top end of the top plate, and a punching head is fixedly connected to the driving end of the hydraulic cylinder. A fixing seat is rotatably connected to the top end of the base, a plurality of inserting grooves are formed in the outer wall of the fixing seat, a fixing ring is fixedly connected to the top end of the base and connected with the inserting grooves through locking assemblies, a rotating shaft is rotatably connected to the inner wall of the fixing seat, and a driving gear is fixedly connected to the bottom end of the rotating shaft. And the outer wall of the driving gear is in engaged connection with an inner gear ring. According to the spring piece punching device, the spring piece is fixed through the fixing plate, it is guaranteed that the spring piece cannot move in the punching process, the machining precision is guaranteed, the position of the spring piece is adjusted when the fixing base is rotated, multi-position punching is achieved, and machining is more flexible.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile processing, especially relates to a punching device for automobile spring piece. BACKGROUND

[0002] With the vigorous development of global automobile industry, the automobile production is increasing year by year, in order to meet market demand, the production efficiency and quality control of automobile parts become crucial, spring piece as the key component of many parts such as automobile suspension system, seat adjusting device, its production precision directly affects the performance and safety of automobile, for example, if the punching position of spring piece used in automobile suspension is not accurate or the quality of hole is not up to standard, it may cause the assembly problem of spring piece and other parts, affect the stability of automobile driving.

[0003] At present, in the punching process of spring piece, the spring piece is not fixed, so that the punching position may be deviated in the punching process, the punching precision is reduced, and although some punching devices have fixing structure, when other positions on the spring piece need to be punched, the spring piece is inconvenient to adjust the punching position, and it is difficult to realize multi-position punching.

[0004] In view of the technical problems that there is no fixing structure when punching spring piece and it is inconvenient to punch other positions, the utility model provides a punching device for automobile spring piece. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of punching devices for automobile spring piece, spring piece is fixed by fixed plate, it is ensured that spring piece does not move in punching process, and processing precision is guaranteed, and by rotating fixed seat, spring piece adjusts position, realizes multi-position punching, so that processing is more flexible.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of punching device for automobile spring piece, including base, the base top four sides are all fixedly connected with support column, the support column top is fixedly connected with top plate, the top plate top is fixedly connected with hydraulic cylinder, the hydraulic cylinder drive end is fixedly connected with punch head, the base top is rotatably connected with fixed seat, the fixed seat outer wall is equipped with multiple slots, the base top is fixedly connected with fixed ring, the fixed ring is connected with slot by locking assembly, the fixed seat inner wall is rotatably connected with shaft, the shaft bottom is fixedly connected with driving gear, the driving gear outer wall is meshed with inner tooth ring, the inner tooth ring outer wall is rotatably connected in the fixed seat inner wall, the inner tooth ring is connected with fixed plate by fixed component.

[0007] Further, the locking assembly comprises an insertion rod slidingly connected to the inner walls of the front and rear ends of the fixing ring, and the insertion rod is matched with the insertion slot in shape.

[0008] Further, the insertion rod is fixedly connected with a handle at the opposite end, and a tension spring is sleeved on the outer wall of the insertion rod, one end of the tension spring is connected with the handle, and the other end of the tension spring is connected with the fixing ring.

[0009] Further, the fixing assembly comprises a long gear engagedly connected to the inner walls of the four sides of the inner tooth ring, the upper and lower ends of the long gear are rotationally connected to the upper and lower ends of the inner wall of the fixing seat respectively, the outer wall of the long gear is engagedly connected with a toothed plate on the clockwise side, the outer wall of the toothed plate is slidingly connected to the inner wall of the fixing seat, and the outer side of the fixing plate is fixedly connected to the inner side of the toothed plate.

[0010] Further, the top end of the rotating shaft is fixedly connected with a knob for driving the rotating shaft to rotate.

[0011] Further, the bottom end of the base is provided with a blanking port, and the front end of the base is provided with a discharging groove in the inner wall, and the discharging groove is inclined downward.

[0012] Further, the punch head is located above the eccentric position of the inner side of the fixing seat, and the outer wall of the punch head is smaller than the inner wall of the blanking port.

[0013] The utility model has the following beneficial effects:

[0014] 1、in the utility model, the inner tooth ring is driven to rotate through the knob, so that the tooth ring of the four sides drives the fixing plate type center to be close to the spring sheet and is fixed, the spring sheet is ensured not to move in the punching process, and the machining precision is guaranteed.

[0015] 2、in the utility model, the insertion rod is pulled out of the insertion slot by pulling the handle, the fixation of the fixing seat is cancelled, so that the fixing seat can rotate and drive the spring sheet to rotate, the punching position on the spring sheet is adjusted, multi-position punching is realized, and the processing is more flexible. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional view of a punching device for automobile spring sheets is provided for the utility model;

[0017] Figure 2 A fixing ring schematic view of a punching device for automobile spring sheets is provided for the utility model;

[0018] Figure 3 is Figure 2 An enlarged view of A in the middle;

[0019] Figure 4The utility model provides a kind of fixed seat sectional view of punching device for automobile spring piece.

[0020] Figure 5 The utility model provides a kind of base sectional view of punching device for automobile spring piece.

[0021] Legend:

[0022] 1, base;2, support column;3, top plate;4, hydraulic cylinder;5, stamping head;6, fixed seat;7, fixed ring;8, handle;9, plug rod;10, insertion slot;11, pull spring;12, knob;13, rotating shaft;14, driving gear;15, inner tooth ring;16, long gear;17, toothed plate;18, fixed plate;19, blanking port;20, discharge groove. Specific implementation

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] Refer to Figure 1 , Figure 4 and Figure 5 , the utility model provides an embodiment: a kind of punching device for automobile spring piece, including base 1, base 1 top end four sides are fixedly connected with support column 2, support column 2 top end is fixedly connected with top plate 3, and top plate 3 top end is fixedly connected with hydraulic cylinder 4, and hydraulic cylinder 4 drive end is fixedly connected with stamping head 5, and base 1 top end is rotatably connected with fixed seat 6, and fixed seat 6 inner wall is rotatably connected with rotating shaft 13, and rotating shaft 13 bottom end is fixedly connected with driving gear 14, and driving gear 14 outer wall is engagedly connected with inner tooth ring 15, and inner tooth ring 15 outer wall is rotatably connected in fixed seat 6 inner wall, and inner tooth ring 15 inner wall four sides are engagedly connected with long gear 16, and long gear 16 upper and lower ends are rotatably connected on the upper and lower ends of fixed seat 6 inner wall respectively, and long gear 16 outer wall clockwise one side is engagedly connected with toothed plate 17, and toothed plate 17 outer wall is slidably connected in fixed seat 6 inner wall, and fixed plate 18 outer side one end is fixedly connected in toothed plate 17 inner side one end respectively, and rotating shaft 13 top end is fixedly connected with knob 12, to be used for driving rotating shaft 13 rotation, and base 1 top end is provided with blanking port 19, and base 1 front end inner wall is provided with discharge groove 20, and discharge groove 20 is inclined downward, and stamping head 5 is located in the upper side of eccentric position of fixed seat 6 inner side, and stamping head 5 outer wall is less than blanking port 19 inner wall.

[0025] Specifically, the spring sheet is annular, and after the spring sheet is fixed by the fixing plate 18, the bottom end of the spring sheet is on the base 1, and the spring sheet covers above the blanking opening 19, and the punch head 5 is located at the front and rear positions of the top end of the fixed spring sheet, and when the punch head 5 punches the spring sheet, the base 1 vertically supports the spring sheet, so that the punch head 5 can punch the spring sheet, and the main body in the middle of the base 1 is connected with the base 1 through the three triangular blocks on the four sides of the outer wall, and the triangular blocks can avoid blocking the falling waste.

[0026] With reference to Figure 2 and Figure 3 , the outer wall of the fixing seat 6 is provided with a plurality of insertion grooves 10, the top end of the base 1 is fixedly connected with a fixing ring 7, the inner walls of the front and rear ends of the fixing ring 7 are slidably connected with insertion rods 9, the insertion rods 9 are matched with the insertion grooves 10 in shape, the opposite ends of the insertion rods 9 are fixedly connected with handles 8, the outer walls of the insertion rods 9 are sleeved with tension springs 11, one end of the tension spring 11 is connected with the handle 8, and the other end of the tension spring 11 is connected with the fixing ring 7.

[0027] Specifically, by pulling the handle 8 to move the insertion rod 9 out of the insertion groove 10, the fixing of the fixing seat 6 is cancelled, and then the fixing seat 6 is rotated to drive the spring sheet to rotate, and the spring sheet can rotate around the central point, and the punch head 5 is always located at the front side of the top end of the spring sheet, so that the punching position can be adjusted.

[0028] Working principle: when in use, the spring sheet is placed in the middle of the fixing seat 6, and then the knob 12 is rotated to drive the rotating shaft 13 to rotate, thereby driving the driving gear 14 to rotate, the driving gear 14 drives the inner tooth ring 15 to rotate, the inner tooth ring 15 drives the four long gears 16 to rotate, and the lower part of the long gear 16 drives the toothed plate 17 to move, and the toothed plate 17 drives the fixing plate 18 to move towards the middle to fix the spring sheet, and then the hydraulic cylinder 4 is started to drive the punch head 5 to move downwards to punch the spring sheet, and the waste generated by the punching is discharged into the discharge groove 20 through the blanking opening 19, and then slides outwards in the discharge groove 20, when multiple punching is needed on the spring sheet, the handle 8 is pulled to stretch the tension spring 11, and the insertion rod 9 is moved out of the insertion groove 10 to cancel the fixing of the fixing seat 6, and then the fixing seat 6 is rotated to drive the spring sheet to rotate, the position of the punch is adjusted, and then the handle 8 is released to pull the tension spring 11 back to the handle 8, the insertion rod 9 is inserted into the insertion groove 10 to fix the fixing seat 6, and then the hydraulic cylinder 4 is started to drive the punch head 5 to punch the spring sheet.

[0029] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A punching device for automotive leaf springs, characterized in that, The utility model provides a stamping head is located the eccentricity inboard of fixed seat (6) top, the stamping head (5) outer wall is less than the blanking mouth (19) inner wall, including the base (1), the base (1) top four sides are all fixedly connected with support column (2), support column (2) top is fixedly connected with top plate (3), top plate (3) top is fixedly connected with hydraulic cylinder (4), and hydraulic cylinder (4) drive end is fixedly connected with stamping head (5), and the base (1) top is rotatably connected with fixed seat (6), and the fixed seat (6) outer wall is equipped with a plurality of slot (10), and the base (1) top is fixedly connected with fixed ring (7), and the fixed ring (7) is connected with slot (10) through locking assembly, and the fixed seat (6) inner wall is rotatably connected with the rotating shaft (13), and the rotating shaft (13) bottom is fixedly connected with drive gear (14), and drive gear (14) outer wall is engaged with the inner tooth ring (15), and the inner tooth ring (15) outer wall is rotatably connected in the fixed seat (6) inner wall, and the inner tooth ring (15) is connected with fixed plate (18) through fixed assembly.

2. A punching device for a spring leaf of a vehicle according to claim 1, characterized in that: The locking assembly includes an insertion rod (9) slidably connected to the inner walls of the front and rear ends of the fixed ring (7), and the insertion rod (9) is shaped to fit the insertion slot (10).

3. A punching device for a spring leaf of a vehicle according to claim 2, characterized in that: The opposite ends of the insertion rod (9) are fixedly connected with handles (8), and the insertion rod (9) is sleeved with a tension spring (11) on the outer wall, one end of the tension spring (11) is connected with the handle (8), and the other end of the tension spring (11) is connected with the fixed ring (7).

4. The punching device for automobile spring leaf according to claim 1, characterized in that: The fixed assembly includes a long gear (16) engaged with the inner walls of the four sides of the inner tooth ring (15), the long gear (16) is rotatably connected to the upper and lower ends of the inner walls of the fixed seat (6), the outer wall of the long gear (16) is engaged with a toothed plate (17) on the clockwise side, the outer wall of the toothed plate (17) is slidably connected to the inner wall of the fixed seat (6), and one end of the fixed plate (18) is fixedly connected to one end of the inner side of the toothed plate (17).

5. The punching device for a spring leaf of a vehicle according to claim 1, characterized in that: The rotating shaft (13) is fixedly connected with a knob (12) at the top end for driving the rotating shaft (13) to rotate.

6. A punching device for a spring leaf of a vehicle according to claim 1, characterized in that: The base (1) is provided with a blanking port (19) at the top end, and the base (1) is provided with a discharge chute (20) at the front end inner wall, and the discharge chute (20) is inclined downward.

7. The punching device for a spring leaf of a vehicle according to claim 6, characterized in that: The stamping head (5) is located above the eccentricity inboard of the fixed seat (6), and the outer wall of the stamping head (5) is less than the inner wall of the blanking port (19).