Punch forming machine for motor train unit bearing clearance adjusting gasket

By introducing a stripper ring and positioning frame structure into the stamping machine, the problems of workpiece jamming and inaccurate sheet metal positioning were solved, convenient demoulding and high-precision stamping were achieved, and the defective rate was reduced.

CN223430789UActive Publication Date: 2025-10-14YANTAI JIUYUAN TRACK ACCESSORIES CO LTD
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Patent Information

Application Number
CN202422916092.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-10-14
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

When the existing stamping forming machine is used to process the adjustment gasket, the workpiece is easily stuck in the stamping seat, which makes demoulding inconvenient and the plate positioning is not accurate, affecting the forming accuracy and defective rate.

Method used

A stamping and forming machine for EMU bearing clearance adjustment gaskets was designed. The machine adopts a stripping ring, a support rod and a driving plate structure. The stripping ring is driven by a steel wire rope to push out the workpiece, and the positioning frame structure of the support pins and the movable plate ensures the precise positioning of the plate, thereby improving the demoulding and forming accuracy.

Benefits of technology

It effectively prevents the workpiece from getting stuck in the forming seat, improves the convenience of demoulding and stamping accuracy, and reduces the defective rate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of gasket punch forming machines, and particularly relates to a motor train unit bearing clearance adjusting gasket punch forming machine which comprises a machine base, a forming base is fixedly connected to the upper end of the machine base, a positioning mechanism is arranged on the forming base, and a guide frame is fixedly connected to the upper end of the machine base. Four evenly-distributed guide frames are slidably connected to the outer side of the guide frame, a stamping seat is fixedly connected between the four guide frames jointly, two symmetrically-distributed supporting rods are slidably connected to the interior of the forming seat, and a material returning ring is fixedly connected to the upper ends of the supporting rods. According to the utility model, the structures such as the material returning ring, the supporting rod and the driving plate are additionally arranged on the forming seat, after a plate is subjected to punch forming through the punching seat, the material returning ring can be driven to move through the steel wire rope and the driving plate in the lifting process of the punching seat, and a formed workpiece in the forming seat can be pushed out in the moving process of the material returning ring; therefore, the workpiece can be prevented from being clamped in the forming seat.
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Description

Technical Field

[0001] The utility model relates to the technical field of gasket stamping and forming machines, in particular to a gasket stamping and forming machine for adjusting the clearance of a bearing of an EMU. Background Art

[0002] The adjusting gasket is a clearance adjusting gasket for the gearbox of a high-speed train. It is used to adjust the axial clearance of the gearbox bearing, that is, the clearance between the bearing roller and the outer ring along the axial direction, to prevent bearing burns. It also adjusts and maintains the clearance between the master and slave gears. During the processing of the adjusting gasket, the sheet metal can be stamped and formed by a stamping machine. However, the stamping machine in the prior art squeezes the formed workpiece into the interior of the stamping seat during the stamping process of the sheet metal, and it is easy to get stuck inside the stamping seat, making it inconvenient to withdraw the material. In addition, the sheet metal is not easy to position during the stamping process, which easily leads to an increase in the defective rate. Therefore, there is a need to improve the prior art. Summary of the Invention

[0003] The purpose of the utility model is to provide a stamping and forming machine for EMU bearing clearance adjustment gaskets, which solves the problems of inconvenient demoulding of the workpiece after stamping and inaccurate placement of the plate during the stamping process.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a EMU bearing clearance adjustment gasket stamping forming machine, comprising a machine base, the upper end of the machine base is fixedly connected to a forming seat, and a positioning mechanism is provided on the forming seat, the upper end of the machine base is fixedly connected to a guide frame, the outer side of the guide frame is slidably connected to four evenly distributed guide frames, and the four guide frames are commonly fixedly connected to a stamping seat, and the interior of the forming seat is slidably connected to two symmetrically distributed support rods, the upper ends of the support rods are fixedly connected to a material stripping ring, the lower ends of the support rods are fixedly connected to a driving plate, a spring is provided on the outer side of the support rod, the upper back side of the upper end of the machine base is fixedly connected to a guide column, the middle back side of the stamping seat is fixedly connected to a connecting frame, the lower end of the connecting frame is fixedly connected to a steel wire rope, the right end of the machine base is fixedly connected to a chassis, and a control panel is installed on the upper front side of the chassis.

[0005] Preferably, the stripping ring is slidably connected to the forming seat, and the driving plate is slidably connected to the forming seat. The stripping ring can push the formed workpiece out of the interior of the forming seat.

[0006] Preferably, one end of the spring 1 is fixedly connected to the driving plate, and the other end of the spring 1 is fixedly connected to the forming seat, and the spring 1 can drive the driving plate to automatically reset through elastic force.

[0007] Preferably, the guide column is slidably connected to the driving plate, and the steel wire rope is fixedly connected to the driving plate, and the steel wire rope can drive the driving plate to move.

[0008] Preferably, two symmetrically distributed hydraulic cylinders are fixedly mounted on the upper end of the guide frame, and the output ends of the hydraulic cylinders are fixedly connected to the punching seat, and the hydraulic cylinders can drive the punching seat to move.

[0009] Preferably, the positioning mechanism includes a supporting nail, the inside of the forming seat is fixedly connected to the supporting nail, the outside of the supporting nail is slidably connected to a movable plate, the upper end of the movable plate is fixedly connected to a positioning frame, a spring 2 is provided on the outside of the supporting nail, the positioning frame is slidably connected to the forming seat, and the positioning frame can position the plate.

[0010] Preferably, one end of the second spring is fixedly connected to the forming seat, and the other end of the second spring is fixedly connected to the movable plate. The second spring can drive the movable plate to automatically reset through elastic force.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0012] 1. The utility model adds a stripping ring, a support rod, a driving plate and other structures on the forming seat. After the sheet is stamped and formed by the stamping seat, the stripping ring can be driven to move by the wire rope and the driving plate during the rising process of the stamping seat. The stripping ring can push out the workpiece formed inside the forming seat during the movement, thereby preventing the workpiece from being stuck inside the forming seat.

[0013] 2. The utility model adds support pins, movable plates and positioning frames inside the forming seat. During use, the plate can be placed between the four positioning frames, and the positioning frames can be pushed into the interior of the forming seat during stamping, thereby effectively improving the stamping accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The overall structure of the utility model is three-dimensional Figure 1 ;

[0015] Figure 2 The overall structure of the utility model is three-dimensional Figure 2 ;

[0016] Figure 3 For the utility model Figure 1 A three-dimensional enlarged cross-sectional view of a forming seat;

[0017] Figure 4 For the utility model Figure 3 A magnified three-dimensional view of the stripper ring;

[0018] Figure 5 For the utility model Figure 2 A magnified view of the structure of part A.

[0019] In the figure: 1. Machine base; 2. Forming base; 3. Positioning mechanism; 4. Guide frame; 5. Guide frame; 6. Stamping base; 7. Support rod; 8. Material removal ring; 9. Drive plate; 10. Spring 1; 11. Guide column; 12. Connecting frame; 13. Wire rope; 14. Hydraulic cylinder; 15. Chassis; 16. Control panel; 31. Support pin; 32. Moving plate; 33. Positioning frame; 34. Spring 2. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 A stamping machine for adjusting the bearing clearance of an EMU bearing comprises a machine base 1, the upper end of the machine base 1 is fixedly connected to a forming seat 2, a positioning mechanism 3 is provided on the forming seat 2, the upper end of the machine base 1 is fixedly connected to a guide frame 4, the outer side of the guide frame 4 is slidably connected to four evenly distributed guide frames 5, and a stamping seat 6 is fixedly connected between the four guide frames 5. The interior of the forming seat 2 is slidably connected to two symmetrically distributed support rods 7, the upper end of the support rod 7 is fixedly connected to a material stripping ring 8, the lower end of the support rod 7 is fixedly connected to a driving plate 9, and a spring 10 is provided on the outer side of the support rod 7. A guide column 11 is fixedly connected to the back side of the upper end of the machine base 1, a connecting frame 12 is fixedly connected to the middle part of the back side of the stamping seat 6, and a steel wire rope 13 is fixedly connected to the lower end of the connecting frame 12. The right end of the machine base 1 is fixedly connected to a chassis 15, and a control panel 16 is installed on the upper front of the chassis 15.

[0022] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5The stripping ring 8 is slidably connected to the forming seat 2, and the driving plate 9 is slidably connected to the forming seat 2. The stripping ring 8 can push the formed workpiece out of the inside of the forming seat 2. One end of the spring 10 is fixedly connected to the driving plate 9, and the other end of the spring 10 is fixedly connected to the forming seat 2. The spring 10 can drive the driving plate 9 to automatically reset through elastic force. The guide column 11 is slidably connected to the driving plate 9, and the wire rope 13 is fixedly connected to the driving plate 9. The wire rope 13 can drive the driving plate 9 to move. Two symmetrically distributed hydraulic cylinders 14 are fixedly installed on the upper end of the guide frame 4. The output end of the hydraulic cylinder 14 is fixedly connected to the stamping seat 6, and the hydraulic cylinder 14 can drive the stamping seat 6 to move.

[0023] See also Figure 1 、 Figure 3 The positioning mechanism 3 includes a supporting pin 31, the interior of the forming seat 2 is fixedly connected to the supporting pin 31, the outer side of the supporting pin 31 is slidably connected to the movable plate 32, the upper end of the movable plate 32 is fixedly connected to the positioning frame 33, and a spring 2 34 is provided on the outer side of the supporting pin 31. The positioning frame 33 is slidably connected to the forming seat 2, and the positioning frame 33 can position the plate. One end of the spring 2 34 is fixedly connected to the forming seat 2, and the other end of the spring 2 34 is fixedly connected to the movable plate 32. The spring 2 34 can drive the movable plate 32 to automatically reset through elastic force.

[0024] The specific implementation process of the utility model is as follows: when in use, the plate is placed on the forming seat 2 and between the four positioning frames 33, and then the hydraulic cylinder 14 is started. The hydraulic cylinder 14 drives the stamping seat 6 to move downward and stamp the plate. During the stamping process, the stamping seat 6 can slide inside the positioning frame 33 and the forming seat 2 and compress the spring 2 34, thereby avoiding the influence of the positioning structure;

[0025] After forming, the hydraulic cylinder 14 drives the punching seat 6 to move upward. When the punching seat 6 moves to a certain height, the wire rope 13 is tightened to pull the driving plate 9 upward. During the movement of the driving plate 9, the support rod 7 can drive the stripping ring 8 to move upward inside the forming seat 2, and the formed workpiece is pushed out through the stripping ring 8.

[0026] 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 stamping machine for adjusting the clearance of bearings of a train set, comprising a machine base (1), characterized in that: The upper end of the machine base (1) is fixedly connected to a forming base (2), a positioning mechanism (3) is provided on the forming base (2), the upper end of the machine base (1) is fixedly connected to a guide frame (4), the outer side of the guide frame (4) is slidably connected to four evenly distributed guide frames (5), the four guide frames (5) are fixedly connected to a stamping base (6), the interior of the forming base (2) is slidably connected to two symmetrically distributed support rods (7), the upper end of the support rod (7) is fixedly connected to a material stripping ring (8), the lower end of the support rod (7) is fixedly connected to a drive plate (9), a spring (10) is provided on the outer side of the support rod (7), the upper back side of the base (1) is fixedly connected to a guide column (11), the middle back side of the punching seat (6) is fixedly connected to a connecting frame (12), the lower end of the connecting frame (12) is fixedly connected to a steel wire rope (13), the right end of the base (1) is fixedly connected to a chassis (15), and a control panel (16) is installed on the upper front side of the chassis (15).

2. The EMU bearing clearance adjustment gasket stamping and forming machine according to claim 1, characterized in that: The material removal ring (8) is slidably connected to the forming seat (2), and the driving plate (9) is slidably connected to the forming seat (2).

3. The EMU bearing clearance adjustment gasket stamping and forming machine according to claim 1, characterized in that: One end of the spring 1 (10) is fixedly connected to the drive plate (9), and the other end of the spring 1 (10) is fixedly connected to the forming seat (2).

4. The EMU bearing clearance adjustment gasket stamping and forming machine according to claim 1, characterized in that: The guide column (11) is slidably connected to the drive plate (9), and the steel wire rope (13) is fixedly connected to the drive plate (9).

5. The EMU bearing clearance adjustment gasket stamping and forming machine according to claim 1, characterized in that: Two symmetrically distributed hydraulic cylinders (14) are fixedly mounted on the upper end of the guide frame (4), and the output ends of the hydraulic cylinders (14) are fixedly connected to the punching seat (6).

6. The EMU bearing clearance adjustment gasket stamping and forming machine according to claim 1, characterized in that: The positioning mechanism (3) comprises a supporting pin (31), the interior of the forming seat (2) is fixedly connected to the supporting pin (31), the outer side of the supporting pin (31) is slidably connected to a moving plate (32), the upper end of the moving plate (32) is fixedly connected to a positioning frame (33), a second spring (34) is provided on the outer side of the supporting pin (31), and the positioning frame (33) is slidably connected to the forming seat (2).

7. The EMU bearing clearance adjustment gasket stamping and forming machine according to claim 6, characterized in that: One end of the second spring (34) is fixedly connected to the forming seat (2), and the other end of the second spring (34) is fixedly connected to the movable plate (32).