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Preparation process of outer spherical table and application of outer spherical table

A preparation process and ball table technology, applied in the field of universal joints, can solve problems such as large frictional resistance, and achieve the effects of high precision, reduced motion energy consumption, and reduced starting frictional resistance

Active Publication Date: 2021-03-19
杭州明任机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The commonly used three-prong constant velocity universal joint uses an inner ball table, which has a large frictional resistance when used.

Method used

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  • Preparation process of outer spherical table and application of outer spherical table
  • Preparation process of outer spherical table and application of outer spherical table
  • Preparation process of outer spherical table and application of outer spherical table

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] Embodiment 1 provides a kind of preparation technology of outer ball table,

[0053] The preparation process of the outer ball table specifically includes the following steps:

[0054] 1. Cold extrusion blank: Cut the raw material into sections and then anneal. The annealing process is to heat the section to 860°C, keep it warm for 5 hours, cool to 400°C, take it out of the furnace, and then cool it to room temperature before sandblasting, Phosphating and saponification treatment to obtain molding section and deburring.

[0055] 2. Turning: Carry out rough turning on the workpiece after step 1 according to the requirements of the drawings. Turning includes eccentric turning of the outer diameter and tapered turning of the inner hole.

[0056]3. Heat treatment: heat the workpiece after step 2 to 835°C, keep it warm for 40 minutes, then quench it into an oil solution at a temperature of 70°C for 30 minutes, then temper it to 170°C, keep it warm for 40 minutes, and then c...

Embodiment 2

[0066] Example 2 provides a three-pin universal joint containing the outer ball table obtained by the preparation process described in Example 1. The three-pin universal joint includes a three-pin body and three cylindrical pins, three The cylindrical pin shafts are evenly distributed on the outer circle of the three-pin shaft body at intervals of 120°. The three cylindrical pin shafts are all perpendicular to the center of the three-pin shaft body and are located on the same circumferential plane. The inner ball tables are nested on the cylindrical pin shafts. The surface of the inner hole of the inner ball table is provided with needle rollers, and the needles are matched with the bottom of the outer ball table at the same time. One end of the outer ball table is provided with a retaining ring, and the other end of the retaining ring is provided with a retaining spring.

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Abstract

The invention discloses a preparation process of an outer spherical table and application of the outer spherical table, and relates to the technical field of universal joints. The preparation processcomprises the following steps of blank cold-extruding, turning, heat treatment, grinding, polishing treatment, flaw detection, inspection, cleaning and packaging. According to the preparation processof the outer spherical table and application of the outer spherical table, because a special detection method is adopted, the taper of an inner hole of the outer spherical table can be accurately measured, so that the taper of the inner hole of the outer spherical table is accurately controlled, and the detection method has the characteristics of simple operation, high precision, low use cost andthe like; and in addition, the outer spherical table with the certain inner hole taper obtained through the preparation process can be used in cooperation with an inner spherical table, the use performance is very flexible after a spherical table assembly and a spherical cage which are used in cooperation are assembled, and direct sliding friction type contact between a traditional single inner spherical table and a spherical cage sliding way is replaced.

Description

technical field [0001] The invention relates to the technical field of universal joints, in particular to a preparation process of an outer ball table and an application of the outer ball table. Background technique [0002] A universal joint is a mechanism that connects two shafts whose axes do not coincide, and enables the two shafts to transmit motion at the same angular velocity. Since the position of the force transmission point is always on the bisector of the angle between the two axes, constant velocity motion is guaranteed. It is an important part of the automobile transmission system. Its function is to transmit the power of the engine from the transmission to the driving wheel of the automobile, meet the requirements of the outer end angle of the transmission shaft of the automobile, transmit the power of the engine to the wheels smoothly and reliably, and compensate the automobile. The beating of the suspension at the inner end drives the car at high speed. [...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00G01B21/22G01B21/02G01B21/10
CPCB23P15/00G01B21/22G01B21/02G01B21/10
Inventor 严惠明罗廷银
Owner 杭州明任机械有限公司