A mold changing and positioning fixture for aviation stainless steel connectors

By designing a mold-changing and positioning fixture for aerospace stainless steel connectors, the problem of inconvenient mold replacement was solved, enabling rapid replacement and positioning of stainless steel hinges, improving production efficiency and avoiding scratches.

CN224424007UActive Publication Date: 2026-06-30SUZHOU TIANSHUN XINYI PRECISION MACHINERY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SUZHOU TIANSHUN XINYI PRECISION MACHINERY CO LTD
Filing Date
2025-07-02
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

In the current stainless steel hinge processing, the fixed mold specifications make replacement inconvenient, affecting work progress and resulting in underutilization of resources.

Method used

A mold changing and positioning fixture for aerospace stainless steel connectors was designed, comprising an upper mold and a lower mold. Through the use of forming blocks, T-plates, screws, U-shaped frames and other structures, the mold can be quickly changed and positioned, avoiding scratches.

Benefits of technology

It enables quick replacement and positioning of stainless steel hinges, improves production efficiency, avoids scratches during mold changeover, and enhances resource utilization.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224424007U_ABST
    Figure CN224424007U_ABST
Patent Text Reader

Abstract

This utility model discloses a mold changing and positioning fixture for aerospace stainless steel connectors, including an upper mold and a lower mold. The upper mold has a lower groove, and a forming pressure block is inserted into the lower groove. Because of the lower groove on the upper mold, when personnel need to change stainless steel hinges of different specifications for stamping, the matching forming pressure block can be placed in the lower groove. During this process, a T-shaped plate is inserted into the T-slot. Then, a screw is rotated on the threaded hole, causing the pressure plate to fit tightly against the outside of the forming pressure block, and the square block to be inserted into the square slot, effectively securing the position of the forming pressure block. Furthermore, by pushing the U-shaped frame, the distance between the rollers can be adjusted. Then, by rotating the bolt on the lower mold and pressing the moving plate, the position of the U-shaped frame is secured. Thus, the bottom of the stainless steel hinge can be inserted between the U-shaped frames for positioning.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of stainless steel connector processing technology, specifically to a mold changing and positioning fixture for aerospace stainless steel connectors. Background Technology

[0002] Stainless steel connectors are widely used in various fields and play a vital role. For example, stainless steel hinges are used in the aerospace industry to connect two solid objects and allow relative rotation between them. Because the material is stainless steel, they have a long service life.

[0003] Currently, stainless steel hinges are processed using stamping machines. However, the molds for stainless steel hinges are usually fixed to a single specification on the stamping machine. This means that when stamping different stainless steel hinges, the entire mold needs to be replaced, which not only affects the progress of the work but also results in the underutilization of resources. To address this issue, we have proposed a mold-changing and positioning fixture for aerospace stainless steel connectors. Utility Model Content

[0004] The purpose of this utility model is to provide a mold changing and positioning fixture for aerospace stainless steel connectors to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a positioning fixture for changing molds of aerospace stainless steel connectors, comprising an upper mold and a lower mold. The upper mold has a lower groove, and a forming block is inserted into the lower groove. A T-shaped plate is fixedly installed on the top of the forming block, and the T-shaped plate is inserted into a T-slot. The T-slot is located on the inner wall of the lower groove. A square groove is formed on the outer side of the forming block, and a square block is inserted into the square groove. A pressure plate is fixedly installed on the outer side of the square block, and the pressure plate is located in the lower groove. Inside the groove, a screw is engaged with the outer side of the pressure plate. The screw engages with the inside of a threaded hole, which is located on the outer side of the upper mold. An upper groove is provided on the lower mold, and a U-shaped frame is inserted into the upper groove. A rotating shaft is rotatably connected inside the U-shaped frame, and a roller is fixedly installed on the outer side of the rotating shaft. A movable plate is fixedly installed on the outer side of the U-shaped frame, and the movable plate is inserted into a limiting groove. The limiting groove is located on the inner wall of the upper groove, and a bolt is tightly attached to the limiting groove. The bolt is engaged with the lower mold.

[0006] As a further preferred embodiment of this technical solution, the square blocks are provided in two sets, and the two sets of square blocks are symmetrically distributed on the outer side of the pressure plate.

[0007] As a further preferred embodiment of this technical solution, the outer side of the T-shaped plate is attached to the inner wall of the T-shaped groove, and one end edge of the T-shaped plate is set to be inclined.

[0008] As a further preferred embodiment of this technical solution, the outer side of the pressure plate is in contact with the inner wall of the lower groove, and the screw and the threaded hole are engaged with fine-tooth threads.

[0009] As a further preferred embodiment of this technical solution, the rotating shafts are evenly distributed on the inner wall of the U-shaped frame, and the rollers are made of rubber material.

[0010] As a further preferred embodiment of this technical solution, the outer side of the movable plate abuts against the inner wall of the limiting groove, and the bolt is hidden inside the lower mold.

[0011] This utility model provides a mold changing and positioning fixture for aerospace stainless steel connectors, which has the following advantages:

[0012] This invention features a lower groove on the upper mold. When personnel need to replace stainless steel hinges of different specifications for stamping, a matching forming block can be placed in the lower groove. During this process, a T-shaped plate is inserted into the T-slot. Then, the screw rotates on the threaded hole, causing the pressure plate to fit tightly against the outside of the forming block and the square block to be inserted into the square slot, effectively securing the position of the forming block. Furthermore, by pushing the U-shaped frame, the distance between the rollers can be adjusted. Finally, by rotating the bolt on the lower mold and pressing the moving plate, the position of the U-shaped frame is secured. Thus, the bottom of the stainless steel hinge can be inserted between the U-shaped frames for positioning.

[0013] This invention features rotating shafts evenly distributed inside a U-shaped frame, with rollers fastened to the outer side of the rotating shafts. After the stainless steel hinge is stamped, as the stainless steel hinge is pulled out by personnel, the scratches caused by the slots opened on the lower mold are eliminated. Attached Figure Description

[0014] Figure 1 This is a front view schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a front sectional view of the structure of this utility model;

[0016] Figure 3 This utility model Figure 2 Enlarged structural diagram of A in the middle;

[0017] Figure 4 This is a right-side view of the structure of the square block and the roller of this utility model.

[0018] In the diagram: 1. Upper mold; 2. Lower mold; 3. Lower groove; 4. Forming block; 5. T-shaped plate; 6. T-slot; 7. Square groove; 8. Square block; 9. Pressure plate; 10. Screw; 11. Threaded hole; 12. Upper groove; 13. U-shaped frame; 14. Rotating shaft; 15. Roller; 16. Moving plate; 17. Limiting groove; 18. Bolt. Detailed Implementation

[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0020] This utility model provides a technical solution: such as Figure 1 , Figure 2 , Figure 3 and Figure 4As shown in this embodiment, a mold-changing positioning fixture for aerospace stainless steel connectors includes an upper mold 1 and a lower mold 2. The upper mold 1 has a lower groove 3. A forming pressure block 4 is inserted inside the lower groove 3. A T-shaped plate 5 is fixedly installed on the top of the forming pressure block 4. The T-shaped plate 5 is inserted into a T-shaped groove 6, which is located on the inner wall of the lower groove 3. A square groove 7 is formed on the outer side of the forming pressure block 4. A square block 8 is inserted inside the square groove 7. A pressure plate 9 is fixedly installed on the outer side of the square block 8. The pressure plate 9 is located inside the lower groove 3. A screw 10 is engaged with the outer side of the pressure plate 9. The screw 10 engages with the interior of a threaded hole 11. The threaded hole 11 is... Located on the outer side of the upper mold 1, the lower mold 2 has an upper groove 12, into which a U-shaped frame 13 is inserted. A rotating shaft 14 is rotatably connected inside the U-shaped frame 13. A roller 15 is fixedly installed on the outer side of the rotating shaft 14. A movable plate 16 is fixedly installed on the outer side of the U-shaped frame 13, and the movable plate 16 is inserted into a limiting groove 17. The limiting groove 17 is located on the inner wall of the upper groove 12, and a bolt 18 is tightly attached to the limiting groove 17. The bolt 18 is engaged with the lower mold 2. The upper mold 1 has a lower groove 3. When personnel need to change to different specifications of stainless steel hinges for stamping, a matching forming block 4 can be placed in the lower groove 3. During this process, a T-shaped plate 5... Inserted into the T-slot 6, the screw 10 rotates on the threaded hole 11, thereby pressing the pressure plate 9 tightly against the outside of the forming block 4, and inserting the square block 8 into the square slot 7, effectively securing the position of the forming block 4. Furthermore, by pushing the U-shaped frame 13, the distance between the rollers 15 can be adjusted. Then, the bolt 18 rotates on the lower mold 2 and presses against the moving plate 16, thereby securing the position of the U-shaped frame 13. Thus, the bottom of the stainless steel hinge can be inserted between the U-shaped frames 13 for positioning. Two sets of square blocks 8 are provided, symmetrically distributed on the outside of the pressure plate 9, further securing the position of the forming block 4. In this device, the outer side of the T-shaped plate 5 is attached to the inner wall of the T-shaped groove 6, and one end edge of the T-shaped plate 5 is set to be inclined so that the T-shaped plate 5 can be inserted into the T-shaped groove 6. The outer side of the pressure plate 9 is attached to the inner wall of the lower groove 3. The screw 10 and the threaded hole 11 are engaged with fine thread, which provides self-locking performance. The rotating shafts 14 are evenly distributed on the inner wall of the U-shaped frame 13. The roller 15 is made of rubber material, which provides some protection to the outer side of the hinge. The outer side of the moving plate 16 abuts against the inner wall of the limiting groove 17. The bolt 18 is hidden inside the lower mold 2, so as not to affect the normal use of the device.

[0021] This utility model provides a mold changing and positioning fixture for aerospace stainless steel connectors. Its specific working principle is as follows:

[0022] In use, the upper mold 1 has a lower groove 3. When personnel need to change stainless steel hinges of different specifications for stamping, the matching forming block 4 can be placed in the lower groove 3. During this process, the T-shaped plate 5 is inserted into the T-slot 6. Then, the screw 10 rotates on the threaded hole 11, so that the pressure plate 9 is tightly attached to the outside of the forming block 4 and the square block 8 is inserted into the square slot 7, effectively securing the position of the forming block 4. Furthermore, by pushing the U-shaped frame 13, the distance between the rollers 15 can be adjusted, allowing for movement during operation. Plate 16 can move inside the limiting groove 17. Then, it is rotated on the lower mold 2 by bolt 18 and pressed to fasten the position of U-shaped frame 13. The bottom of the stainless steel hinge can be inserted between the U-shaped frames 13 for positioning. The hinge is evenly distributed inside the U-shaped frame 13 by rotating shaft 14, and the roller 15 is fastened to the outside of rotating shaft 14. After the stainless steel hinge is stamped, as the stainless steel hinge is pulled out by the personnel, the scratches caused by the slots opened on the lower mold 2 can be eliminated.

[0023] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A mold-changing and positioning fixture for aerospace stainless steel connectors, characterized in that: The system includes an upper mold (1) and a lower mold (2). The upper mold (1) has a lower groove (3). A forming pressure block (4) is inserted inside the lower groove (3). A T-shaped plate (5) is fixedly installed on the top of the forming pressure block (4). The T-shaped plate (5) is inserted into the T-shaped groove (6). The T-shaped groove (6) is opened on the inner wall of the lower groove (3). A square groove (7) is opened on the outer side of the forming pressure block (4). A square block (8) is inserted inside the square groove (7). A pressure plate (9) is fixedly installed on the outer side of the square block (8). The pressure plate (9) is located inside the lower groove (3). A screw (10) is engaged with the outer side of the pressure plate (9). The screw (10) engages with... Inside the threaded hole (11), the threaded hole (11) is opened on the outside of the upper mold (1), the lower mold (2) is provided with an upper groove (12), a U-shaped frame (13) is inserted in the upper groove (12), a rotating shaft (14) is rotatably connected inside the U-shaped frame (13), a roller (15) is fixedly installed on the outside of the rotating shaft (14), a moving plate (16) is fixedly installed on the outside of the U-shaped frame (13), the moving plate (16) is inserted in the limiting groove (17), the limiting groove (17) is opened on the inner wall of the upper groove (12), a bolt (18) is tightly attached to the limiting groove (17), and the bolt (18) is engaged and connected to the lower mold (2).

2. The aviation stainless steel connector mold changing and positioning fixture according to claim 1, characterized in that: The square blocks (8) are provided in two sets, and the two sets of square blocks (8) are symmetrically distributed on the outside of the pressure plate (9).

3. The aviation stainless steel connector mold changing and positioning fixture according to claim 1, characterized in that: The outer side of the T-shaped plate (5) is attached to the inner wall of the T-shaped groove (6), and one end edge of the T-shaped plate (5) is set to be inclined.

4. The aviation stainless steel connector mold changing and positioning fixture according to claim 1, characterized in that: The outer side of the pressure plate (9) is in contact with the inner wall of the lower groove (3), and the screw (10) and the threaded hole (11) are engaged by fine-tooth threads.

5. The aviation stainless steel connector mold changing and positioning fixture according to claim 1, characterized in that: The rotating shafts (14) are evenly distributed on the inner wall of the U-shaped frame (13), and the rollers (15) are made of rubber material.

6. The aviation stainless steel connector mold changing and positioning fixture according to claim 1, characterized in that: The outer side of the movable plate (16) abuts against the inner wall of the limiting groove (17), and the bolt (18) is hidden inside the lower mold (2).