Micro-arc oxidation tool for top of cylinder piston

By designing the micro-arc oxidation tooling on the top of the cylinder piston, the combined structure of the downward pressure assembly and clamping assembly is used to solve the problems of piston lifting and easy damage during the micro-arc oxidation process, and the stable limit and protection of the piston top are achieved.

CN222613508UActive Publication Date: 2025-03-14SHANDONG KUKE ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202421350955.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-14
Publication Date
2025-03-14
Estimated Expiration
2034-06-14

AI Technical Summary

Technical Problem

During the microarc oxidation process, heat is easily generated inside the sealed tool set, resulting in excessive air pressure, the piston is lifted up, and the conductive oxidation is terminated. At the same time, the top of the piston is not fixedly placed in the tool set, which is susceptible to vibration and causes collision damage.

Method used

A microarc oxidation tooling for the top of the cylinder piston is designed, including a storage box, a through-line base, a sealing cover, a pressing assembly and a clamping assembly. The downward limit of the piston top is achieved through the downward plate and sealing ring of the downward press assembly; the clamping and fixing of the top of the piston is achieved through the short threaded rod and clamping block of the clamping assembly.

Benefits of technology

It effectively improves the stability of micro-arc oxidation on the top of the piston, prevents the erection phenomenon, and prevents air flow from affecting the oxidation effect through the sealing structure, protecting the piston from vibration damage.

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    Figure CN222613508U_ABST
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Abstract

The utility model discloses a micro-arc oxidation tool for the top of a cylinder piston, which relates to the technical field of metal processing and comprises a storage box, a wire passing base is movably mounted at the bottom of the storage box, a sealing cover is movably mounted at the top of the storage box, and a pressing component is movably mounted in the middle of the sealing cover. Clamping assemblies are movably installed on the two sides of the storage box. The clamping assembly comprises a short threaded rod. According to the device, the downward pressing assembly is arranged, after the top of a cylinder piston is placed in the storage box body, a long threaded rod is rotated to enable a downward pressing plate to move downwards to make contact with the top of the piston, and therefore downward pressing limiting is conducted on the piston, and the jacking condition in the oxidation process is prevented; and the short threaded rod can be rotated to drive the clamping blocks to make contact with the top of the piston to clamp and fix the two sides of the piston, so that the piston can be limited in cooperation with the downward pressing assembly, and the stability of micro-arc oxidation of the top of the piston is effectively improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of metal processing, in particular to a micro-arc oxidation tool for the top of a cylinder piston. Background Art

[0002] According to product requirements, some cylinder bodies need to undergo overall micro-arc oxidation on the top of the piston. During the micro-arc oxidation process, the inside of the sealed tooling is prone to heat up, causing the air pressure inside the sealed tooling to be too high. The high air pressure can easily lift the piston, thereby causing the conductive oxidation to terminate.

[0003] In the prior art, a Chinese patent document with publication number CN221028725U is proposed to solve the above-mentioned technical problems. The technical solution disclosed in the patent document is as follows: a tooling for micro-arc oxidation of an aluminum alloy piston head, comprising a rotating buckle plate, a sleeve, a base and a conductive ring, wherein the rotating buckle plate is installed at the upper port of the sleeve, the base is installed at the lower port of the sleeve, the conductive ring is installed at the bottom of the sleeve cavity, and the conductive ring is electrically connected to the conductive wire.

[0004] In order to solve the problem that the sealed tooling is prone to heat during the micro-arc oxidation process, resulting in high air pressure inside the sealed tooling, which easily pushes up the piston and thus causes the termination of conductive oxidation, the prior art uses a micro-arc oxidation tooling to perform micro-arc oxidation processing. However, the top of the cylinder piston is not fixed in the tooling, which leads to the problem of easy collision damage due to vibration during movement or oxidation. Utility Model Content

[0005] The utility model aims to provide a micro-arc oxidation tool for the top of a cylinder piston to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A micro-arc oxidation tool for the top of a cylinder piston, comprising a storage box, a wire-passing base movably mounted at the bottom of the storage box, a sealing cover movably mounted at the top of the storage box, a pressing assembly movably mounted in the middle of the sealing cover, and clamping assemblies movably mounted on both sides of the storage box;

[0008] The clamping assembly includes a short threaded rod, one end of which is movably provided with a clamping block. By setting the clamping assembly, the short threaded rod can be rotated to drive the clamping block to contact the top of the piston to clamp and fix both sides thereof, thereby cooperating with the pressing down assembly to limit the position thereof, thereby effectively improving the stability of the micro-arc oxidation on the top of the piston.

[0009] A further improvement of the technical solution of the utility model is that: the storage box includes a storage box body, a threaded groove ring is fixedly installed on the bottom of the storage box body, and a conductive disk is fixedly installed on the bottom surface of the inner cavity of the storage box body.

[0010] A further improvement of the technical solution of the utility model is that the wire-passing base includes a base body movably installed at the bottom of the storage box body, a threaded bar is fixedly installed on the top surface of the base body, and a conductive wire is fixedly installed inside the threaded bar. By setting the threaded bar, it is convenient to cooperate with the threaded groove ring for connection and installation, and it is also convenient to disassemble.

[0011] A further improvement of the technical solution of the utility model is that the sealing cover comprises a sealing cover body movably mounted on the top surface of the storage box body, and a handle is fixedly mounted on the top surface of the sealing cover body.

[0012] A further improvement of the technical solution of the utility model is that the pressing assembly includes a long threaded rod movably mounted in the middle of the surface of the sealing cover body, a pressing plate movably mounted at one end of the long threaded rod, a sealing ring movably mounted on the surface of the long threaded rod, and a locking bolt movably mounted on the surface of the long threaded rod close to the sealing ring. By setting the pressing assembly, after the top of the cylinder piston is placed in the storage box, the long threaded rod can be rotated to make the pressing plate move down and contact the top of the piston, thereby achieving downward pressure limiting and preventing lifting during the oxidation process.

[0013] A further improvement of the technical solution of the utility model is that the short threaded rod is movably installed on both sides of the storage box body, and a sealing kit is movably installed on the surface of the short threaded rod. By setting two left and right groups, the top of the cylinder piston can be effectively clamped.

[0014] A further improvement of the technical solution of the utility model is that: the storage box body and the base body are movably connected by a threaded groove ring and a threaded bar block, the structure of the sealing kit is the same as the structure of the sealing ring and the locking bolt, and by arranging the sealing ring and the locking bolt on the long threaded rod, the locking bolt can be rotated after the limiting is completed so that the sealing ring moves down to seal the threaded groove on the surface of the sealing cover body to prevent air flow from affecting the oxidation effect, and the same applies to the sealing kit on the short threaded rod.

[0015] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0016] 1. The utility model provides a micro-arc oxidation tooling for the top of a cylinder piston. By setting a downward pressing component, after the top of the cylinder piston is placed in a storage box, the long threaded rod can be rotated to make the downward pressing plate move down to contact the top of the piston, thereby achieving downward pressing and limiting it to prevent lifting during the oxidation process.

[0017] 2. The utility model provides a micro-arc oxidation tooling for the top of a cylinder piston. By setting a clamping assembly, the short threaded rod can be rotated to drive the clamping block to contact the top of the piston to clamp and fix both sides thereof, thereby cooperating with the pressing assembly to limit it, thereby effectively improving the stability of the micro-arc oxidation on the top of the piston.

[0018] 3. The utility model provides a micro-arc oxidation tooling for the top of a cylinder piston. By arranging a sealing ring and a locking bolt on a long threaded rod, the locking bolt can be rotated after the limiting is completed so that the sealing ring moves down to seal the thread groove on the surface of the sealing cover body to prevent air flow from affecting the oxidation effect. The same applies to the sealing kit on the short threaded rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the sealing cover and the pressing assembly structure of the utility model;

[0022] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged structure at point A;

[0023] Figure 5 This is a schematic diagram of the structure of the clamping assembly of the utility model.

[0024] In the figure: 1. storage box; 2. wire base; 3. sealing cover; 4. pressing assembly; 5. clamping assembly; 11. storage box body; 12. threaded groove ring; 13. conductive disk; 21. base body; 22. threaded bar block; 23. conductive wire; 31. sealing cover body; 32. handle; 41. long threaded rod; 42. pressing plate; 43. sealing ring; 44. locking bolt; 51. short threaded rod; 52. clamping block; 53. sealing kit. DETAILED DESCRIPTION

[0025] The present invention is further described in detail below in conjunction with the embodiments:

[0026] Example 1

[0027] like Figure 1-5As shown, the utility model provides a micro-arc oxidation tooling for the top of a cylinder piston, comprising a storage box 1, the storage box 1 comprises a storage box body 11, a threaded groove ring 12 is fixedly installed at the bottom of the storage box body 11, a conductive disk 13 is fixedly installed on the bottom surface of the inner cavity of the storage box body 11, a wire base 2 is movably installed at the bottom of the storage box 1, a sealing cover 3 is movably installed at the top of the storage box 1, a pressing assembly 4 is movably installed in the middle of the sealing cover 3, and clamping assemblies 5 are movably installed on both sides of the storage box 1; the clamping assembly 5 comprises a short threaded rod 51, and a clamping block 52 is movably installed at one end of the short threaded rod 51, and through the cooperation of the pressing assembly 4 and the clamping assembly 5, the top of the cylinder piston can be effectively limited to improve its stability.

[0028] Example 2

[0029] like Figure 1-5 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the wire base 2 includes a base body 21 movably installed at the bottom of the storage box body 11, a threaded strip 22 is fixedly installed on the top surface of the base body 21, and a conductive wire 23 is fixedly installed inside the threaded strip 22; the sealing cover 3 includes a sealing cover body 31 movably installed on the top surface of the storage box body 11, and a handle 32 is fixedly installed on the top surface of the sealing cover body 31; the pressing assembly 4 includes a long threaded rod 41 movably installed in the middle of the surface of the sealing cover body 31, a pressing plate 42 is movably installed at one end of the long threaded rod 41, a sealing ring 43 is movably installed on the surface of the long threaded rod 41, and a locking bolt 44 is movably installed on the surface of the long threaded rod 41 near the sealing ring 43; by setting the pressing assembly 4, after the top of the cylinder piston is placed in the storage box body 11, the long threaded rod 41 is rotated to make the pressing plate 42 move down and contact the top of the piston, thereby realizing the downward pressure limit to prevent it from being lifted during the oxidation process.

[0030] Example 3

[0031] like Figure 1-5 As shown, on the basis of Examples 1-2, the utility model provides a technical solution: preferably, the short threaded rod 51 is movably installed on both sides of the storage box body 11, and a sealing kit 53 is movably installed on the surface of the short threaded rod 51. The storage box body 11 and the base body 21 are movably connected through the threaded groove ring 12 and the threaded bar block 22. The structure of the sealing kit 53 is the same as that of the sealing ring 43 and the locking bolt 44. By setting the clamping assembly 5, the short threaded rod 51 can be rotated to drive the clamping block 52 to contact the top of the piston to clamp and fix its two sides, so that it can be limited by cooperating with the pressing assembly 4, which effectively improves the stability of the micro-arc oxidation on the top of the piston.

[0032] The following is a detailed description of the working principle of the micro-arc oxidation tooling on the top of the cylinder piston.

[0033] like Figure 1-5 As shown, when the micro-arc oxidation tool is in use, the base body 21 is installed by means of the threaded groove ring 12 in cooperation with the threaded strip block 22, so that the conductive wire 23 is connected to the conductive disk 13, and the top of the cylinder piston that needs to be micro-arc oxidized is placed inside the storage box body 11, and the sealing cover body 31 is closed by the handle 32, and the short threaded rod 51 is rotated so that the clamping block 52 clamps the two sides of the top of the piston, and at the same time, the long threaded rod 41 is rotated so that the lower pressure plate 42 is pressed down to limit its top, and after the fixation is completed, the locking bolt 44 is rotated to move the sealing ring 43 to seal the threaded groove.

[0034] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A micro-arc oxidation tool for a cylinder piston top, comprising a storage box (1), characterized in that: A wire-passing base (2) is movably mounted on the bottom of the storage box (1), a sealing cover (3) is movably mounted on the top of the storage box (1), a pressing assembly (4) is movably mounted in the middle of the sealing cover (3), and clamping assemblies (5) are movably mounted on both sides of the storage box (1); The clamping assembly (5) comprises a short threaded rod (51), and a clamping block (52) is movably mounted on one end of the short threaded rod (51).

2. A micro-arc oxidation tool for cylinder piston top according to claim 1, characterized in that: The storage box (1) comprises a storage box body (11), a threaded groove ring (12) is fixedly mounted on the bottom of the storage box body (11), and a conductive plate (13) is fixedly mounted on the bottom surface of the inner cavity of the storage box body (11).

3. A micro-arc oxidation tool for cylinder piston top according to claim 2, characterized in that: The wire-passing base (2) comprises a base body (21) movably mounted on the bottom of a storage box body (11); a threaded bar (22) is fixedly mounted on the top surface of the base body (21); and a conductive wire (23) is fixedly mounted inside the threaded bar (22).

4. The micro-arc oxidation tooling for cylinder piston top according to claim 2, characterized in that: The sealing cover (3) comprises a sealing cover body (31) movably mounted on the top surface of the storage box body (11), and a handle (32) is fixedly mounted on the top surface of the sealing cover body (31).

5. The micro-arc oxidation tooling for cylinder piston top according to claim 4, characterized in that: The pressing assembly (4) comprises a long threaded rod (41) movably mounted in the middle of the surface of the sealing cover body (31); a pressing plate (42) is movably mounted on one end of the long threaded rod (41); a sealing ring (43) is movably mounted on the surface of the long threaded rod (41); and a locking bolt (44) is movably mounted on the surface of the long threaded rod (41) near the sealing ring (43).

6. The micro-arc oxidation tooling for cylinder piston top according to claim 2, characterized in that: The short threaded rod (51) is movably mounted on both sides of the storage box body (11), and a sealing kit (53) is movably mounted on the surface of the short threaded rod (51).

7. The micro-arc oxidation tool for cylinder piston top according to claim 6, characterized in that: The storage box body (11) and the base body (21) are movably connected via a threaded groove ring (12) and a threaded bar block (22), and the structure of the sealing kit (53) is the same as that of the sealing ring (43) and the locking bolt (44).

Citation Information

Patent Citations

  • A tool for micro-arc oxidation of aluminum alloy piston heads

    CN221028725U