Gear casting mold

A technology for casting molds and gears, which is used in manufacturing tools, casting molding equipment, casting molds, etc., can solve the problems of waste of resources and low precision, and achieve the effect of avoiding waste.

Inactive Publication Date: 2015-06-03
DALIAN ORIENT METAL
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0002] The existing gear processing method is generally mechanical processing. For gears with high precision requirements, the other is direct casting through casting for gears with relatively low precision, or casting first and then machining. The casting method is suitable for mass production, but The casting mold can only be set as one kind of gear. If the casting gear is replaced, the casting mold needs to be replaced, which causes unnecessary waste of resources

Method used

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  • Gear casting mold

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Embodiment Construction

[0014] Such as figure 1 A gear casting mold shown includes a cylindrical casting seat 1 and a tooth casting 2;

[0015] The central axis position of the cylindrical casting seat 1 is a cylindrical groove 3, and the central axis position of the cylindrical groove 3 is provided with a raised cylinder 4;

[0016] The cylindrical groove 3 is a stepped hole, and the upper diameter is greater than the lower diameter;

[0017] The tooth-shaped casting 2 is an internal ring gear casting mold, that is, the tooth-shaped casting 2 is a ring and the inner wall is provided with teeth; the tooth-shaped casting 2 is fitted on the upper part of the cylindrical groove 3 through thread insertion, and the lower end surface is stepped with the cylindrical groove 3. close to the upper end face;

[0018] It also includes a gear variable diameter casting mold 5; the gear variable diameter casting mold 5 is circular, with teeth on both sides, and the teeth on one side are completely meshed with the...

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Abstract

The invention discloses a gear casting mold, which comprises a cylindrical cast seat, a toothlike casting and a gear reducer casting mold, wherein a cylindrical groove is formed in the central axis of the cylindrical cast seat; a convex cylinder is arranged in the cylindrical groove; the cylindrical groove is a stepped hole; the toothlike casting is an inner gear ring casting mold; the gear reducer casting mold is annular; teeth are arranged at two side end parts of the gear reducer casting mold; teeth at one side surface are completely meshed with inner wall teeth of the toothlike casting; teeth at the other side surface are different from the toothlike casting in dimension and shape. By virtue of the technical scheme, a reference dimension gear can be cast through the cylindrical groove in the cylindrical cast seat, the convex cylinder and the toothlike casting; if the tooth shape of the gear and the gear dimension need to be changed, only the proper gear reducer casting mold needs to be put on the inner tooth surface of the toothlike casting; one end of the gear reducer casting mold is completely meshed with the toothlike casting; and the needed toothlike casting is arranged at the other end of the gear reducer casting mold, so that another gear can be directly cast, and further waste of the cast mold is avoided.

Description

technical field [0001] The invention relates to a gear casting mold. Background technique [0002] The existing gear processing method is generally mechanical processing. For gears with high precision requirements, the other is direct casting through casting for gears with relatively low precision, or casting first and then machining. The casting method is suitable for mass production, but The casting mold has only to be set as one kind of gear, and if the casting gear is replaced, the casting mold needs to be replaced, which causes unnecessary waste of resources. Contents of the invention [0003] The present invention aims at the above technical problems and proposes a gear casting mold suitable for various tooth shapes and gear diameters. [0004] In order to achieve the above purpose, it is realized through the following technical solutions: [0005] A gear casting mold, comprising, a cylindrical casting seat and a tooth casting; [0006] The central axis of the cyl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C9/24
CPCB22C9/28
Inventor 王东巍
Owner DALIAN ORIENT METAL
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