Coated shank
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HARBIN ZHONG TIAN NC TOOLS
- Filing Date
- 2025-08-27
- Publication Date
- 2026-07-21
AI Technical Summary
The sealing rubber of traditional tool holder guide sleeves wears out too quickly, causing impurities to get stuck in the bearing and damage the bearing and tool holder.
A ceramic layer is sprayed onto the contact area between the handle and the sealing rubber to improve the handle's wear resistance, corrosion resistance, and anti-adhesion properties, and enhance its dynamic balance performance.
Extend the tool holder's service life to over 30,000 pieces, reduce rubber wear, and improve reliability.
Smart Images

Figure CN224526142U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of machining technology, and in particular to a coated tool holder. Background Technology
[0002] In high-speed, high-precision machining, the sealing rubber of traditional tool holder guide sleeves wears out too quickly, causing impurities to get stuck in the bearing and damage the bearing and tool holder. Utility Model Content
[0003] The purpose of this invention is to provide a coated knife handle to solve the above-mentioned problems.
[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:
[0005] This utility model discloses a coated knife handle, including a knife handle, a bearing connected to the handle body, sealing rubber provided at both ends of the bearing, a ceramic layer sprayed on the outer diameter of the knife handle at the contact position with the sealing rubber, and a knife connected to the middle part of the knife handle.
[0006] Furthermore, bushings are provided at both ends of the bearing.
[0007] Furthermore, the cutting tool includes a clip and a blade disposed on the clip, the clip being connected to the handle by screws.
[0008] Compared with the prior art, the beneficial technical effects of this utility model are as follows:
[0009] This invention improves the wear resistance, corrosion resistance, anti-adhesion, and dynamic balance of the knife handle by applying a special coating to the surface of the handle, thereby reducing the phenomenon of excessive rubber wear and extending the service life of the knife handle. The service life has been verified to reach more than 30,000 pieces. Attached Figure Description
[0010] The present invention will be further described below with reference to the accompanying drawings.
[0011] Figure 1 This is a cross-sectional view of the coated tool holder of this utility model;
[0012] Explanation of reference numerals in the attached diagram: 1. Bearing; 2. Sealing rubber; 3. Tool holder. Detailed Implementation
[0013] like Figure 1 As shown, a coated knife handle includes a knife handle 3, with a bearing 1 connected to the handle body of the knife handle 3. Bushings are provided at both ends of the bearing 1. Sealing rubber 2 is provided at both ends of the bearing 1. A ceramic layer is sprayed onto the outer diameter of the knife handle 3 at the contact point with the sealing rubber 2.
[0014] The middle part of the handle is connected to a cutting tool, which includes a clip and a blade mounted on the clip. The clip is connected to the handle 3 by screws.
[0015] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.
Claims
1. A coated knife handle, characterized in that: The tool includes a handle (3), a bearing (1) is connected to the handle body of the handle (3), and sealing rubber (2) is provided at both ends of the bearing (1). The outer diameter of the handle at the contact position between the handle (3) and the sealing rubber (2) is coated with a ceramic layer, and a cutting tool is connected to the middle part of the handle.
2. The coated knife holder according to claim 1, characterized in that: The bearing (1) has bushings at both ends.
3. The coated tool holder according to claim 1, characterized in that: The cutting tool includes a clip and a blade mounted on the clip, the clip being connected to the handle (3) by screws.