Welding fixture

A welding fixture and pressing plate technology, applied in welding equipment, manufacturing tools, auxiliary devices, etc., can solve the problems of loose fixing of tooth blocks and inconsistent clamping force, and achieve the effect of ensuring bonding strength, simple structure and convenient use.

Inactive Publication Date: 2011-12-21
江苏华昌工具制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to solve the defect that the welding fixture is not tightly fixed to the gear block at high temperature and the clamping force is inconsistent when the overall brazing is used

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] see Figure 1-2 It is a component schematic diagram and a component assembly schematic diagram of a welding fixture according to an embodiment of the present invention. Depend on Figure 1-2 It can be seen that the welding fixture of the present embodiment comprises a disc-shaped upper pressing plate (1) and a disc-shaped lower pressing plate (2), and the upper pressing plate (1) and the lower pressing plate (2) all have central positioning holes arranged coaxially (3), the lower pressing plate (2) is provided with a tooth block positioning hole (21), and the lower surface of the lower pressing plate (2) is provided with a tooth block installation groove (22), which is characterized in that the upper pressing plate (1) and the lower pressing plate (2) Install tooth block positioning screw (5) and tooth block compression spring (6); said lower pressing plate is also provided with 3 auxiliary positioning holes (4) evenly along the concentric ring; wherein the upper press...

Embodiment 2

[0023] The structure of the welding fixture is the same as in Example 1; the difference is that the spring steel used for the compression spring has the following composition and content: the composition and content of the spring steel are: C: 0.25-0.32wt%, Si: 1.25-1.50wt% , Mn: 1.0-1.25wt%, Cr: 1.20-1.80wt%, Ni: 2.20-4.25wt%, Mo: 0.30-0.50wt%, V: 0.015-0.025wt%, Nb: 0.01-0.02wt%, Cu : 0.25-0.35wt%, Zn: 0.15-0.25wt%, P≤0.0015wt%, S≤0.0015wt%, the balance is Fe and unavoidable impurities.

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Abstract

The invention relates to a welding fixture which comprises an upper pressure plate and a lower pressure plate, wherein the upper pressure plate and the lower pressure plate comprise central positioning holes which are arranged coaxially, the lower pressure plate is provided with a tooth block positioning hole, a tooth block mounting groove is arranged on the lower surface of the lower pressure plate and the welding fixture is characterized in that a tooth block positioning screw rod and a tooth block pressure spring are mounted between the upper pressure plate and the lower pressure plate. The welding fixture is simple in structure and can always keep the fastening connection between a tooth block and the welding surface of a basal body by high-temperature welding and avoid the phenomena of looseness and poor welding.

Description

technical field [0001] The invention relates to a welding jig, in particular to a jig for high-frequency brazing diamond grinding discs. Background technique [0002] Diamond grinding discs have been widely used in various aspects of the grinding field. Diamond grinding disc is an effective tool for grinding high-brittle materials such as stone, cemented carbide, glass, and ceramics. The diamond grinding disc is composed of a diamond cutter head and a substrate. During the production process, the diamond cutter head and the substrate are prepared separately, and then the diamond cutter head is fixed on the substrate by welding. In the prior art, the commonly used method is that the diamond segment is sintered in vacuum hot pressing equipment; the connection technology between the segment and the base body adopts high-frequency induction brazing. [0003] Brazing is one of the three main components of modern welding technology. Conventional brazing is a welding technique t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K3/08
Inventor 华川海
Owner 江苏华昌工具制造有限公司
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