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Mold and method for machining multi-section part with spiral tooth structure

A technology for processing molds and helical teeth, which is applied in the field of processing structures of parts, and can solve problems such as time-consuming, multiple transfers, and wear

Active Publication Date: 2017-05-31
YEG TECH NINGBO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this kind of processing project, the material needs to be transferred many times, which wastes a lot of manpower and takes a long time to process.
Moreover, in the process of multiple transportation, it is easy to cause damage and wear to the semi-finished parts, so that the precision of the obtained parts is not high

Method used

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  • Mold and method for machining multi-section part with spiral tooth structure
  • Mold and method for machining multi-section part with spiral tooth structure
  • Mold and method for machining multi-section part with spiral tooth structure

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Embodiment Construction

[0022] Below in conjunction with accompanying drawing, the present invention is described in detail.

[0023] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0024] Such as Figure 1 to Figure 4 Shown: a multi-stage helical tooth processing die, including an upper die 1, a lower die 2, a punch 3 and an ejector pin 4, and the lower die 2 is provided with a second die cavity 6 and a third die cavity 7 overlapping up and down , the inner wall of the second cavity 6 is provided with a corresponding tooth structure, the third cavity 7 is a square prism structure, the upper mold 1 is provided with a first cavity 5, and the inner wall of the first cavity 5 i...

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Abstract

The invention discloses a mold for machining a multi-section part with a spiral tooth structure. The mold comprises an upper mold, a lower mold, a punch and an ejector rod, and is characterized in that a second mold cavity and a third mold cavity overlapped up and down are formed in the lower mold; the inner wall of the second mold cavity is provided with a corresponding gear tooth structure; the third mold cavity is a quadrangular structure; a first mold cavity is formed in the upper mold; the inner wall of the first mold cavity is provided with a corresponding spiral tooth structure; a pressing device is arranged above the upper mold; a jacking module is arranged between the upper mold and the lower mold; the punch is vertically arranged above the first mold cavity; the ejector rod is vertically arranged below the third mold cavity; the punch, the first mold cavity, the second mold cavity, the third mold cavity and the ejector rod are arranged by sharing one central axis; the diameter of the first mold cavity is larger than the diameter of a material to be machined; the diameter of the material is larger than the diameter of the second mold cavity; and the diameter of the second mold cavity is larger than the diameter of the third mold cavity. The mold can integrally machine-shape a multi-section part with the spiral tooth structure by adopting the material; the obtained multi-section part with the spiral tooth structure is high in precision; and a lot of manpower and material resources are saved.

Description

technical field [0001] The invention relates to a processing mold, in particular to a processing structure for parts with a multi-stage helical tooth structure. Background technique [0002] There is an existing part structure, such as figure 1 Shown: the part is a three-stage structure, from top to bottom are the first section 11, the second section 12 and the third section 12, the first section 11 is a columnar structure with a spiral tooth structure attached to the outer surface, the second section 12 is a columnar structure with a gear tooth structure attached to the outer surface, the third section 13 is a quadrangular prism structure, and the outer diameter of the first section 11 is larger than the outer diameter of the second section 12, and the outer diameter of the second section 12 is larger than the third section 13 outside diameter. [0003] Now the processing method of this kind of parts adopts segmented processing one by one, and each segment of the columnar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21J13/02B21J13/14B21K1/30
CPCB21J13/02B21J13/14B21K1/305
Inventor 孙晓辉王俊易芳
Owner YEG TECH NINGBO CO LTD
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