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External thread tool for processing auto parts

A technology for auto parts and external threads, applied in thread cutting tools, manufacturing tools, metal processing equipment, etc., can solve problems such as waste of processing efficiency and processing hours, accumulation of errors in tool positioning, and failure to achieve expected results. Achieve the effect of meeting the requirements of drawing accuracy, high machining dimensional accuracy, and good center consistency

Inactive Publication Date: 2018-09-28
SHIYAN HEJUN IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Nowadays, the external thread processing of auto parts is usually performed by interpolation milling with thread milling cutter, which has low efficiency, and after processing, each part needs to be 100% passed with a thread ring gauge, which affects the efficiency.
Therefore, the processing efficiency and processing time are wasted. After multiple processing, the dimensional stability is poor, the error of the positioning of the tool is accumulated, and the accuracy cannot reach the expected effect.

Method used

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  • External thread tool for processing auto parts
  • External thread tool for processing auto parts

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Embodiment Construction

[0013] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0014] Such as figure 1 and figure 2 As shown, a tool for machining external threads of auto parts includes a nut (1), a collet (2), a die (3) with a model of M18X1.5, a tool bar (4) and a spline (5).

[0015] The cutter bar (4) is arranged on the tapping handle, and one end of the cutter bar (4) is a hollow cone. A collet (2) is arranged in the hollow structure of the knife rod (4), a die (3) is arranged in the collet (2), and a spline is also arranged between the die (3) and the collet (2) (5), the die (3) is coaxial with the hollow structure of the cutter bar (4). The nut (1) is sheathed on the outside of the cutter bar (4), and is locked and connected with the hollow structure of the cutter bar (4).

[0016] working principle:

[0017] 1) Check that there are no sundries or dust at the joint of the tapping tool holder.

[0...

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Abstract

The invention relates to an external thread tool for processing auto parts. A cutter bar is arranged on a tapping knife handle, and one end of the cutter bar is a hollow cone body; a spring chuck is arranged in a hollow structure of the cutter bar, a threading die is arranged in the spring chuck, a spline is also arranged between the threading die and the spring chuck, and the threading die and the hollow structure of the cutter bar are coaxial; and a nut is arranged out of the cutter bar in a sleeving manner and is in locking connection to the hollow structure of the cutter bar. The externalthread tool adopts the spring chuck structure, is in a self-centering mode and is oriented by a key to prevent loosening of the threading die during processing, and the tool is high in dimensional stability during processing. According to the invention, the tool replacing time is shortened greatly, and the stability of the product is improved. The dimension meets the demand on drawing precision, and improvement of the production efficiency is also met in the manufacturing process.

Description

technical field [0001] The invention relates to an external thread processing device for a frame bracket of an automobile, belonging to the technical field of automobile manufacturing. Background technique [0002] Nowadays, the external thread processing on auto parts is usually performed by thread milling cutter interpolation milling, which is inefficient, and each part needs to be 100% passed by thread ring gauge after processing, which affects the efficiency. Therefore, the processing efficiency and processing man-hours are wasted, and after multiple processing, the dimensional stability is poor, the error of the positioning of the tool is accumulated, and the accuracy cannot reach the expected effect. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a tool for machining external threads of auto parts that meets the processing requirements, reduces processing costs, improves processing efficiency and product s...

Claims

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Application Information

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IPC IPC(8): B23G5/02B23G5/04
CPCB23G5/02B23G5/04
Inventor 郭俊王坤
Owner SHIYAN HEJUN IND