Fastening device for metal casting

By designing a metal casting fastening device including a clamping assembly and a replacement adjustment assembly, the problem of poor adaptability of existing fastening devices to casting parts of different models is solved, and higher adaptability and processing efficiency are achieved.

CN222920405UActive Publication Date: 2025-05-30CHANGSHA HUIYIN MASCH MFG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421980178.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-15
Publication Date
2025-05-30
Estimated Expiration
2034-08-15

AI Technical Summary

Technical Problem

The output end fastening components of existing metal casting fastening devices are usually integrated with the equipment. The front-end fastening components can only tighten castings of the same model, resulting in low machining adaptability and low practicality of the equipment.

Method used

A fastening device including a base plate, a clamping assembly and a replacement adjustment assembly is designed. The clamping assembly consists of a side support frame, a fixed abrasive body, abrasive fixing bottom groove plate, an electro-hydraulic pressure device and a fixed and fastening upper extrusion cover plate. The replacement adjustment assembly includes an upper fixing frame, a front extension support plate, an electric telescopic hydraulic cylinder body, an electric push rod, a cross limit block, a cross limit groove, a docking block, an assembly set, a rotating shaft sleeve, a support moving plate and a limit retaining ring. The clamping assembly is replaced and fixed by the rotation of the assembly sleeve and the docking of the butt block with the electric push rod.

Benefits of technology

It improves the adaptability and practicality of the fastening device, can adapt to different models of casting parts, and improves processing efficiency through the replacement of clamping components.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222920405U_ABST
    Figure CN222920405U_ABST
Patent Text Reader

Abstract

The utility model discloses a fastening device for metal casting, particularly relates to the technical field of metal casting, and comprises a bottom plate, and a fastening auxiliary device for metal casting is arranged at the upper end of the bottom plate; the fastening auxiliary device for metal casting comprises a clamping assembly and a replacement adjusting assembly, the front end of the replacement adjusting assembly is installed at the rear end of the clamping assembly, and the clamping assembly is arranged at the upper end of a bottom plate. Compared with the prior art, the fastening device for metal casting has the advantages that after the assembling sleeve rotates, the butt joint position of the butt joint block and the electric push rod can be connected and fixed, and after the butt joint of the butt joint block and the electric push rod is completed, the clamping assembly completes replacement work, so that the use adaptability and practicability of the whole device are greatly improved; and when the clamping assemblies are used for machining casting parts of different models, the different casting parts can be replaced by replacing the clamping assemblies, and the machining efficiency of the whole device is further improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of metal casting, and more specifically, the utility model relates to a fastening device for metal casting. Background Art

[0002] Metal casting is a process of melting metal into a liquid meeting certain requirements and pouring it into a mold, and obtaining a casting with a predetermined shape, size and performance after cooling and solidification, and finishing treatment. Since the casting blank is nearly formed, the purpose of avoiding or reducing machining is achieved, which reduces the cost and to a certain extent reduces the time. Casting is one of the basic processes in modern machinery manufacturing industry. When processing metal casting cores, it is necessary to fix the metal casting cores, so a clamping device for metal casting cores is required. Usually, the output end fastening component of the existing casting fastening device is integrated with the equipment, and the front-end fastening component can only fasten castings of the same model, resulting in low processing adaptability and low practicality of the equipment. Summary of the Utility Model

[0003] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a fastening device for metal casting to solve the problems raised in the above background art.

[0004] To achieve the above object, the utility model provides the following technical solution: A fastening device for metal casting, including a bottom plate, and a fastening auxiliary device for metal casting is arranged on the upper end of the bottom plate; the fastening auxiliary device for metal casting includes: a clamping component and a replacement and adjustment component, the front end of the replacement and adjustment component is installed at the rear end of the clamping component, and the clamping component is arranged on the upper end of the bottom plate.

[0005] In a preferred embodiment, the clamping component includes: side support frames, a fixed mold body, a mold fixing bottom groove plate, an electro-hydraulic device and a fixed fastening upper pressing cover plate, the rear end of the fixed mold body is installed on the front side of the lower end of the fixed mold body, the lower end of the electro-hydraulic device is installed on the upper end of the fixed mold body, the output end of the electro-hydraulic device is installed on the upper end of the fixed fastening upper pressing cover plate, and the lower ends of the side support frames are installed on the upper end of the bottom plate.

[0006] In a preferred embodiment, the replacement and adjustment component includes: an upper fixing frame, a front extension support plate, an electro-hydraulic telescopic cylinder body, an electric push rod, a cross-shaped limit block, a cross-shaped limit groove, a docking block, an assembly sleeve, a rotating shaft sleeve, a support moving plate and a limit retaining ring, and there are two groups of limit retaining rings, and the inner sides of the two groups of limit retaining rings are installed at the front and rear ends of the assembly sleeve.

[0007] In a preferred embodiment, the rear end of the front extension support plate is installed at the front end of the upper fixing frame, and the lower end of the upper fixing frame is installed on the upper end of the side support frame.

[0008] In a preferred embodiment, the output end of the electric telescopic hydraulic cylinder body is installed at the rear end of the electric push rod, the front end of the electric push rod is installed at the rear end of the cross limit block, and the front end of the cross limit block is detachably installed in the cross limit groove.

[0009] In a preferred embodiment, the cross limit groove is opened at the rear end of the docking block, and the rear end of the docking block is installed at the rear end of the clamping assembly.

[0010] In a preferred embodiment, the upper end of the support moving plate is installed at the lower end of the front extension support plate, the lower end of the support moving plate is installed at the upper end of the rotating shaft sleeve, and the rotating shaft sleeve is rotatably installed on the outer wall of the assembly sleeve.

[0011] The technical effects and advantages of the present utility model:

[0012] A fastening device for metal casting. Compared with the prior art, after the assembly sleeve rotates, it can perform connection and fixation work on the docking part of the docking block and the electric push rod. When the docking of the docking block and the electric push rod is completed and the clamping assembly completes the replacement work, the use adaptability and practicability of the entire device are greatly improved. When the clamping assembly processes casting parts of different models, the replacement of the clamping assembly can be used to replace different casting parts, further improving the processing efficiency of the entire device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0014] Figure 2 It is a schematic diagram of the structure of the fastening auxiliary device for metal casting of the present utility model.

[0015] Figure 3 It is a schematic diagram of the structure of the clamping assembly of the present utility model.

[0016] Figure 4 It is a schematic diagram of the structure of the replacement adjustment assembly of the present utility model.

[0017] The reference numerals are: 1, bottom plate; 2, fastening auxiliary device for metal casting; 21, clamping assembly; 211, electric hydraulic device; 212, mold fixing bottom groove plate; 213, fixed fastening upper pressing cover plate; 214, fixed mold body; 215, side support frame; 22, replacement adjustment assembly; 221, electric telescopic hydraulic cylinder body; 222, electric push rod; 223, assembly sleeve; 224, cross limit block; 225, rotating shaft sleeve; 226, support moving plate; 227, limit retaining ring; 228, upper fixing frame; 229, front extension support plate; 220, docking block; 2201, cross limit groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0019] As shown in the attached Figures 1-4 figure, the present utility model provides a fastening device for metal casting, including a bottom plate 1, and a fastening auxiliary device 2 for metal casting is arranged at the upper end of the bottom plate 1; the fastening auxiliary device 2 for metal casting includes: a clamping assembly 21 and a replacement adjustment assembly 22. The front end of the replacement adjustment assembly 22 is installed at the rear end of the clamping assembly 21, and the clamping assembly 21 is arranged at the upper end of the bottom plate 1.

[0020] The clamping assembly 21 includes: side support frames 215, a fixed grinding tool body 214, a grinding tool fixed bottom groove plate 212, an electro-hydraulic device 211, and a fixed fastening upper pressing cover plate 213. The rear end of the fixed grinding tool body 214 is installed at the front side of the lower end of the fixed grinding tool body 214. The lower end of the electro-hydraulic device 211 is installed at the upper end of the fixed grinding tool body 214. The output end of the electro-hydraulic device 211 is installed at the upper end of the fixed fastening upper pressing cover plate 213. The lower ends of the side support frames 215 are installed at the upper end of the bottom plate 1.

[0021] The replacement adjustment assembly 22 includes: an upper fixing frame 228, a front extension support plate 229, an electro-hydraulic telescopic cylinder body 221, an electric push rod 222, a cross limit block 224, a cross limit groove 2201, a docking block 220, an assembly sleeve 223, a rotating shaft sleeve 225, a support moving plate 226, and a limit retaining ring 227. There are two groups of limit retaining rings 227, and the inner sides of the two groups of limit retaining rings 227 are installed at the front and rear ends of the assembly sleeve 223. The rear end of the front extension support plate 229 is installed at the front end of the upper fixing frame 228. The lower end of the upper fixing frame 228 is installed at the upper end of the side support frame 215. The output end of the electro-hydraulic telescopic cylinder body 221 is installed at the rear end of the electric push rod 222. The front end of the electric push rod 222 is installed at the rear end of the cross limit block 224. The front end of the cross limit block 224 is detachably installed in the cross limit groove 2201. The cross limit groove 2201 is opened at the rear end of the docking block 220. The rear end of the docking block 220 is installed at the rear end of the clamping assembly 21. The upper end of the support moving plate 226 is installed at the lower end of the front extension support plate 229. The lower end of the support moving plate 226 is installed at the upper end of the rotating shaft sleeve 225. The rotating shaft sleeve 225 is rotatably installed on the outer wall of the assembly sleeve 223.

[0022] The specific implementation method is as follows: When using the present utility model, the clamping assembly 21 can be started to perform the fixing and processing work before metal casting. When the metal casting passes through the clamping assembly 21, the clamping assembly 21 of the appropriate model needs to be assembled and replaced. When the clamping assembly 21 is installed, the rear end of the docking block 220 installed at the rear end can be docked with the front end of the electric push rod 222. After the docking of the docking block 220 and the electric push rod 222 is completed, by rotating the assembly sleeve 223, after the assembly sleeve 223 rotates, the docking part of the docking block 220 and the electric push rod 222 can be connected and fixed. After the docking of the docking block 220 and the electric push rod 222 is completed and the clamping assembly 21 is replaced, the usability and practicality of the entire device are greatly improved. When the clamping assembly 21 processes casting parts of different models, different casting parts can be replaced by replacing the clamping assembly 21, further improving the processing efficiency of the entire device.

[0023] The working principle of the present utility model: When using the present utility model, the clamping assembly 21 can be started to perform the fixing and processing work before metal casting. When the metal casting passes through the clamping assembly 21, the clamping assembly 21 of the appropriate model needs to be assembled and replaced. When the clamping assembly 21 is installed, the rear end of the docking block 220 installed at the rear end can be docked with the front end of the electric push rod 222. After the docking of the docking block 220 and the electric push rod 222 is completed, by rotating the assembly sleeve 223, after the assembly sleeve 223 rotates, the docking part of the docking block 220 and the electric push rod 222 can be connected and fixed.

[0024] Finally, the following points should be noted: First, in the description of this application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "coupling" should be understood in a broad sense. It can be a mechanical connection or an electrical connection, or it can be the internal communication of two components. It can be directly connected. "Upper", "lower", "left", "right", etc. are only used to represent relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0025] Second: In the drawings of the disclosed embodiments of the present utility model, only the structures related to the disclosed embodiments are involved. Other structures can refer to the general design. Without conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0026] Finally: The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A fastening device for metal casting, comprising a base plate (1), characterized in that: The upper end of the base plate (1) is provided with a metal casting fastening auxiliary device (2); The metal casting fastening auxiliary device (2) comprises: a clamping component (21) and a replacement adjustment component (22), wherein the front end of the replacement adjustment component (22) is mounted on the rear end of the clamping component (21), and the clamping component (21) is arranged on the upper end of the base plate (1).

2. A metal casting fastening device according to claim 1, characterized in that: The clamping assembly (21) comprises: a side support frame (215), a fixed mold body (214), a mold fixed bottom groove plate (212), an electric hydraulic pressure device (211) and a fixed upper extrusion cover plate (213); the rear end of the fixed mold body (214) is mounted on the front side of the lower end of the fixed mold body (214); the lower end of the electric hydraulic pressure device (211) is mounted on the upper end of the fixed mold body (214); the output end of the electric hydraulic pressure device (211) is mounted on the upper end of the fixed upper extrusion cover plate (213); and the lower end of the side support frame (215) is mounted on the upper end of the bottom plate (1).

3. A metal casting fastening device according to claim 2, characterized in that: The replacement adjustment assembly (22) comprises: an upper fixing frame (228), a front extension support plate (229), an electric telescopic hydraulic cylinder body (221), an electric push rod (222), a cross limit block (224), a cross limit groove (2201), a docking block (220), an assembly sleeve (223), a rotating shaft sleeve (225), a support movable plate (226), and a limit retaining ring (227), wherein two groups of the limit retaining rings (227) are provided, and the inner sides of the two groups of limit retaining rings (227) are mounted at the front and rear ends of the assembly sleeve (223).

4. A metal casting fastening device according to claim 3, characterized in that: The rear end of the front extended support plate (229) is mounted on the front end of the upper fixing frame (228), and the lower end of the upper fixing frame (228) is mounted on the upper end of the side support frame (215).

5. A metal casting fastening device according to claim 3, characterized in that: The output end of the electric telescopic hydraulic cylinder body (221) is mounted on the rear end of the electric push rod (222), the front end of the electric push rod (222) is mounted on the rear end of the cross limit block (224), and the front end of the cross limit block (224) is detachably mounted in the cross limit slot (2201).

6. A metal casting fastening device according to claim 3, characterized in that: The cross limiting groove (2201) is provided at the rear end of the docking block (220), and the rear end of the docking block (220) is mounted on the rear end of the clamping assembly (21).

7. A metal casting fastening device according to claim 3, characterized in that: The upper end of the support movable plate (226) is mounted on the lower end of the front extended support plate (229), and the lower end of the support movable plate (226) is mounted on the upper end of the rotating shaft sleeve (225). The rotating shaft sleeve (225) is rotatably mounted on the outer wall of the assembly sleeve (223).