A cylinder head oil seal platform rework cutter

By designing a rework tool for the cylinder head oil seal platform, adopting a clearance structure and PCD inserts, and utilizing milling, the problems of high precision and low pass rate in oil seal platform rework were solved, achieving efficient and safe rework.

CN224508534UActive Publication Date: 2026-07-17柳州赛克科技发展有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
柳州赛克科技发展有限公司
Filing Date
2025-07-09
Publication Date
2026-07-17

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Abstract

The utility model relates to aluminium alloy cylinder cover processing tool technical field especially a cylinder cover oil seal platform reconditioning tool, including tool shank, the tool shank includes the main part and the extension part shaped in the main part one end, at the tail end of extension part, there is a void structure, the void structure is used for adapting and avoiding conduit, wherein, at the tail end of extension part still circumferential distribution has two inserts, according to the outer circle diameter of conduit and conduit installation bottom hole chamfer diameter, in the tail end of tool setting a void structure, so can effectively avoid scratching conduit outer wall, according to the extension height of conduit design the void depth of tool inner hole, effectively avoid scratching conduit end face, second, relative traditional oil seal platform reconditioning mode reconditioning efficiency low, the qualified rate low etc.
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Claims

1. A cylinder head oil seal platform rework tool, characterized in that, Including the handle (1); The handle (1) includes a main body (11) and an extension (12) formed at one end of the main body (11). A clearance structure (13) is formed at the tail end of the extension (12). The clearance structure (13) is used to adapt to and avoid the guide tube (2). Two blades (14) are circumferentially distributed at the tail end of the extension (12), and a chip removal groove (15) is provided between the two blades (14) in the extension (12).

2. A cylinder head oil seal platform rework tool according to claim 1, wherein: The diameter of the extension (12) is smaller than the diameter of the main body (11); A transition cone surface (16) is also formed between the extension (12) and the main body (11).

3. A cylinder head oil seal platform rework tool according to claim 2, wherein: The main body (11) and the extension (12) are provided with interconnected flow channels (10), which are connected to the clearance structure (13); Among them, a number of liquid holes (17) are provided on the outer side of the extension (12), and the liquid holes (17) are connected to the air-proof structure (13).

4. The cylinder head oil seal platform rework tool of claim 1, wherein: The clearance structure (13) is a cylindrical hole; The inner diameter of the clearance structure (13) is not less than the outer diameter of the conduit (2), and the depth of the clearance structure (13) is not less than the length of the conduit (2) protruding from the oil seal platform.

5. A cylinder head oil seal platform rework tool according to claim 1, wherein: The blade (14) is a PCD tool, and the blade (14) is fixed to the outer side of the tail end of the extension (12) by welding.

6. A cylinder head oil seal platform rework tool according to any one of claims 1-5, wherein: An mounting bevel (18) is formed at the end of the extension (12), the blade (14) has a mating bevel (19), and the front end of the blade (14) protrudes in front of the extension (12).

7. A cylinder head oil seal platform rework tool according to claim 6, wherein: At least one slot (141) is also provided on the end face of the blade (14).