Shared bicycle base aluminum piece die-casting die quick replacement device

By designing a quick-change device for die-casting molds of aluminum parts for shared bicycle bases, and using hydraulic and electric telescopic machines to achieve automatic positioning and fixing of the molds, the problem of cumbersome mold replacement methods and positioning errors in traditional methods is solved, thereby improving product quality and production efficiency.

CN223932566UActive Publication Date: 2026-02-24KUNSHAN QUAN TAI PRECISION HARDWARE CO LTD
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Patent Information

Application Number
CN202520388256.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2026-02-24
Estimated Expiration
2035-03-07

AI Technical Summary

Technical Problem

Traditional mold changing methods require cumbersome manual operation, have positioning errors, and affect product quality and production efficiency.

Method used

A quick-change device for die-casting molds of aluminum parts for shared bicycle bases was designed. The device uses a hydraulic system and an electric telescopic mechanism to achieve automatic positioning and fixing of the mold. The electric telescopic mechanism drives the positioning column and the limiting column to achieve quick replacement and precise positioning of the mold.

Benefits of technology

It improves the efficiency and accuracy of mold changing, reduces positioning errors, and ensures product quality and production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a shared bicycle base aluminum piece die-casting die quick replacement device, which belongs to the technical field of die-casting dies, and comprises a base, vertical plates are arranged on two sides of the base, a top block is mounted through the vertical plates, and a hydraulic device is arranged in the center of the top of the top block. A first electric telescopic machine is arranged on the top block and located on the periphery of the hydraulic device, a positioning column is arranged at the end of the first electric telescopic machine, a movable plate is arranged on the base in a sliding mode, and a U-shaped fixing block is arranged on the movable plate; by arranging the second electric telescopic machine, the U-shaped fixing block is driven to quickly move to the outside, a worker can conveniently replace a mold arranged in the U-shaped fixing block, the mold is fixed through cooperation of a limiting column and a limiting hole, the first electric telescopic machine drives a positioning column to position the mold and the U-shaped fixing block, and the mold can be conveniently replaced. The die-casting forming is convenient, the positioning error is reduced, and the working efficiency is improved.
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Description

Technical Field

[0001] This utility model relates to the field of die-casting mold technology, and in particular to a quick-change device for die-casting molds of aluminum parts for shared bicycle bases. Background Technology

[0002] In the manufacturing process of shared bicycles, the base is mostly formed by die casting. However, when manufacturing bases for different batches, the traditional mold replacement method often requires tedious manual operation. At the same time, manual positioning is prone to errors, and the mold replacement time is uncertain, which affects product quality and production efficiency.

[0003] To address this, we propose a quick-change device for die-casting molds of aluminum parts for shared bicycle bases. Utility Model Content

[0004] In view of the shortcomings of the prior art, this utility model provides a quick replacement device for die-casting molds of aluminum parts for shared bicycle bases, which overcomes the shortcomings of the prior art and aims to solve the problems in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a quick-change device for die-casting molds of aluminum parts for shared bicycle bases, comprising a base, vertical plates on both sides of the base, and a top block installed through the vertical plates. A hydraulic device is provided at the top center of the top block, and a first electric telescopic mechanism is provided around the top block and the hydraulic device. A positioning column is provided at the end of the first electric telescopic mechanism. A movable plate is slidably arranged on the base, and a U-shaped fixing block is provided on the movable plate. A groove is opened inside the U-shaped fixing block, and a mold is slidably arranged in the groove. The output end of the hydraulic device extends to the bottom of the top block and is connected to a connecting block. A first connecting rod is provided at the bottom of the connecting block, and a connecting plate is installed through the first connecting rod. A pressure plate is provided at the bottom of the connecting plate.

[0006] In a preferred embodiment, the present invention can be further configured such that: an upper positioning hole is provided through the surface of the connecting plate, a lower positioning hole is provided on the U-shaped fixing block corresponding to the upper positioning hole, and the positioning post is adapted to the upper positioning hole and the lower positioning hole.

[0007] In a preferred embodiment, the present invention can be further configured as follows: a second electric telescopic mechanism is provided on one side wall of the base, a through hole is provided at the top of the base, and a third connecting rod is provided at the end of the second electric telescopic mechanism. The third connecting rod extends through the through hole to the top of the base and is fixedly connected to the movable plate.

[0008] In a preferred embodiment, the present invention can be further configured as follows: a movable groove is provided on the opposite side of the groove, a movable rod is slidably disposed in the movable groove, a second connecting rod is fixedly disposed between the movable rods, an extension plate is disposed on the second connecting rod, and a limit post is slidably disposed on the extension plate.

[0009] In a preferred embodiment, the present invention can be further configured such that: a plurality of limiting grooves are evenly provided at the bottom of the groove corresponding to the limiting post, and the movable rod is threadedly connected to the mold.

[0010] In a preferred embodiment, the present invention can be further configured such that the pressure plate is provided with a matching pressure block corresponding to the mold.

[0011] The beneficial effects of this utility model are:

[0012] This utility model incorporates a second electric telescopic mechanism, which drives the U-shaped fixing block to move quickly to the outside, facilitating the replacement of the mold inside the U-shaped fixing block by the staff. The mold is fixed by the cooperation of the limiting post and the limiting hole, preventing the mold from shifting or shaking during the die casting process and reducing positioning errors.

[0013] The first electric telescopic mechanism drives the positioning column to position and fix the mold and the U-shaped fixing block, ensuring that the mold is in the correct position and posture for die casting, thereby further improving the product's accuracy and pass rate, facilitating die casting, and improving work efficiency. Attached Figure Description

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

[0015] Figure 2 This is a schematic diagram of the overall main structure of this utility model;

[0016] Figure 3 This is a schematic diagram of the connecting plate structure of this utility model;

[0017] Figure 4 This is a schematic diagram of the U-shaped fixing block structure of this utility model;

[0018] Figure 5 This is a cross-sectional view of the base structure of this utility model.

[0019] In the diagram: 1. Base; 2. Top block; 3. Hydraulic device; 4. First electric telescopic mechanism; 5. Vertical plate; 6. Second electric telescopic mechanism; 7. Movable plate; 8. U-shaped fixing block; 9. Connecting plate; 10. Connecting block; 11. First connecting rod; 12. Positioning post; 13. Upper positioning hole; 14. Lower positioning hole; 15. Groove; 16. Movable groove; 17. Movable rod; 18. Mold; 19. Extension plate; 20. Limiting post; 21. Pressure plate; 22. Second connecting rod; 23. Third connecting rod; 24. Through hole. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] In the embodiments

[0022] Please see Figures 1-5 A quick-change device for die-casting molds of aluminum parts for shared bicycle bases includes a base 1. Vertical plates 5 are provided on both sides of the base 1, and a top block 2 is installed through the vertical plates 5. A hydraulic device 3 is located at the top center of the top block 2. A first electric telescopic mechanism 4 is arranged around the top block 2 and the hydraulic device 3. A positioning post 12 is provided at the end of the first electric telescopic mechanism 4. A movable plate 7 is slidably arranged on the base 1. A U-shaped fixing block 8 is provided on the movable plate 7. A groove 15 is formed inside the U-shaped fixing block 8, and a mold 18 is slidably arranged in the groove 15. The output end of the hydraulic device 3 extends to the bottom of the top block 2 and is connected to a connecting block 10. A first connecting rod 11 is provided at the bottom of the connecting block 10, and a connecting plate 9 is installed through the first connecting rod 11. A pressure plate 21 is provided at the bottom of the connecting plate 9. Guide grooves are provided on opposite sides of the vertical plates 5, and guide rods are provided on the connecting plate 9 corresponding to the guide grooves.

[0023] The surface of the connecting plate 9 is provided with an upper positioning hole 13, and the U-shaped fixing block 8 is provided with a lower positioning hole 14 corresponding to the upper positioning hole 13. The end of the first electric telescopic machine 4 is provided with a positioning post 12, which is adapted to the upper positioning hole 13 and the lower positioning hole 14.

[0024] A second electric telescopic mechanism 6 is installed on one side wall of the base 1. A through hole 24 is provided above the top of the base 1. A third connecting rod 23 is provided at the end of the second electric telescopic mechanism 6. The third connecting rod 23 extends through the through hole 24 to the top of the base 1 and is fixedly connected to the movable plate 7. A movable groove 16 is provided on the opposite side of the groove 15. A movable rod 17 is slidably arranged in the movable groove 16. A second connecting rod 22 is fixedly arranged between the movable rods 17. An extension plate 19 is provided on the second connecting rod 22. A limit post 20 is slidably arranged on the extension plate 19.

[0025] The bottom of the groove 15 has several limiting grooves evenly distributed on the limiting post 20, and the movable rod 17 is threadedly connected to the mold 18. The pressure plate 21 is provided with a matching pressure block corresponding to the mold 18.

[0026] Specifically, a control panel is provided on one side of the base 1. The control panel is electrically connected to the first electric telescopic machine 4, the second electric telescopic machine 6, and the hydraulic device 3 via a PLC of model S4-400.

[0027] Working principle: When using this device, if mold 18 needs to be replaced, the first electric telescopic mechanism 4 drives the positioning column 12 to move to a height separated from the U-shaped fixing block 8. The second electric telescopic mechanism 6 drives the movable plate 7 to move outward. The operator manually pulls the second connecting rod 22 and the extension plate 19, thereby extending the mold 18 to the outside for easy replacement. The mold 18 is replaced by unscrewing the threads. The limiting column 20 and the limiting groove on the extension plate 19 are used to fix the mold 18. The first electric telescopic mechanism 4 drives the positioning column 12 to move, and the positioning column 12 is embedded in the lower positioning hole 14 to limit the movable plate 7 and the U-shaped fixing block 8. By replacing the pressure block on the pressure plate 21, different molds can be adapted, which is convenient and quick.

[0028] Finally, it should be noted that in the description of this utility model, the terms "vertical," "upper," "lower," "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0029] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0030] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A quick-change device for die-casting molds of aluminum parts for shared bicycle bases, characterized in that, The device includes a base (1), with vertical plates (5) on both sides of the base (1) and a top block (2) installed through the vertical plates (5). A hydraulic device (3) is installed at the top center of the top block (2). A first electric telescopic mechanism (4) is installed around the top block (2) and a positioning column (12) is installed at the end of the first electric telescopic mechanism (4). A movable plate (7) is slidably installed on the base (1). A U-shaped fixing block (8) is installed on the movable plate (7). A groove (15) is opened inside the U-shaped fixing block (8). A mold (18) is slidably installed in the groove (15). The output end of the hydraulic device (3) extends to the bottom of the top block (2) and is connected to a connecting block (10). A first connecting rod (11) is installed at the bottom of the connecting block (10), and a connecting plate (9) is installed through the first connecting rod (11). A pressure plate (21) is installed at the bottom of the connecting plate (9).

2. The quick-change device for die-casting molds of aluminum parts for shared bicycle bases according to claim 1, characterized in that, The surface of the connecting plate (9) is provided with an upper positioning hole (13), and the U-shaped fixing block (8) is provided with a lower positioning hole (14) corresponding to the upper positioning hole (13). The positioning post (12) is adapted to the upper positioning hole (13) and the lower positioning hole (14).

3. The quick-change device for die-casting molds of aluminum parts for shared bicycle bases according to claim 1, characterized in that, A second electric telescopic mechanism (6) is provided on one side wall of the base (1). A through hole (24) is provided above the top of the base (1). A third connecting rod (23) is provided at the end of the second electric telescopic mechanism (6). The third connecting rod (23) extends through the through hole (24) to the top of the base (1) and is fixedly connected to the movable plate (7).

4. The quick-change device for die-casting molds of aluminum parts for shared bicycle bases according to claim 1, characterized in that, A movable groove (16) is provided on the opposite side of the groove (15). A movable rod (17) is slidably arranged in the movable groove (16). A second connecting rod (22) is fixedly arranged between the movable rods (17). An extension plate (19) is provided on the second connecting rod (22). A limit post (20) is slidably arranged on the extension plate (19).

5. A quick-change device for die-casting molds of aluminum parts for shared bicycle bases according to claim 4, characterized in that, The bottom of the groove (15) is provided with several limiting grooves evenly distributed on the limiting post (20), and the movable rod (17) is threadedly connected to the mold (18).

6. The quick-change device for die-casting molds of aluminum parts for shared bicycle bases according to claim 1, characterized in that, The pressure plate (21) is provided with a matching pressure block corresponding to the mold (18).