Globoidal cam indexing device for realizing large indexing number

A technology of arc cam and indexing device, which is applied in the direction of transmission device, belt/chain/gear, mechanical equipment, etc. It can solve the problems of low indexing efficiency, affecting the production speed of the production line and economic benefits, etc., and achieves the improvement of action speed and Efficiency, the effect of large division number

Inactive Publication Date: 2016-11-16
UNIV OF JINAN
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

In this way, for a multi-station production line, the number of rotations of the cam needs to be equal to the number of ro

Method used

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  • Globoidal cam indexing device for realizing large indexing number
  • Globoidal cam indexing device for realizing large indexing number
  • Globoidal cam indexing device for realizing large indexing number

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Embodiment Construction

[0015] In order to further explain the technical solution of the present invention, the present invention will be described in detail below through specific examples.

[0016] see figure 1 , a cam indexing device for realizing a large index number is mainly composed of an indexing box 1, an input shaft 2, an output shaft 3, an arc cam body 4, and an indexing plate assembly. The input shaft 2 and the output shaft 3 are staggered and perpendicular to each other, the arc cam body 4 is installed on the input shaft 2 through a key connection, and the index plate assembly is installed on the output shaft 3 through a key connection. The index plate assembly includes an index plate 5 and a plurality of rollers 6, the axes of the rollers are all perpendicular to the axis of the index plate, and all the rollers 6 are connected radially and uniformly along the circumference of the index plate through threaded connection and pin connection. Fixed on the index plate 5, the number of rolle...

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Abstract

The invention relates to a globoidal cam indexing device for realizing a large indexing number. The globoidal cam indexing device mainly comprises an indexing box, an input shaft, an output shaft, a globoidal cam body which is fixedly connected onto the input shaft, and an indexing plate component which is fixedly connected onto the output shaft. Roller axes in the indexing plate component are all intersected with an axis of an indexing plate; the input shaft and the output shaft are perpendicular in a staggered manner; lobe crests on a cam body are meshed with rollers in the indexing plate component and comprise four stages, namely a first stopping stage, a first indexing stage, a second stopping stage and a second indexing stage; the profiles of the lobe crests of the two indexing stages are variable lead spiral lobe crests; the first stopping stage is a circular lobe crest; and the second stopping stage comprises two circular lobe crests. In the rotating process of the cam body by a circle, the indexing plate generates indexing rotation for two times and stopping for two times; in addition, an index angle of the output shaft at each time is one half of a central angle between every two rollers, i.e., the indexing number is equal to twice a roller number; and the large indexing number can be realized without changing the geometrical size of the indexing plate.

Description

technical field [0001] The invention relates to an intermittent transmission device, in particular to an arc cam indexing device for realizing a large index number, and belongs to the field of mechanical technology. Background technique [0002] The arc cam indexing device is mainly composed of an arc cam body and an indexing plate with rollers. The cam pushes the rollers on the indexing plate to convert the continuous rotation of the cam into periodic intermittent motion of the indexing plate. . Because of its small impact and vibration, stable and reliable operation, and good dynamic characteristics, the arc cam indexing device is often used in high-precision indexing mechanisms and high-speed automatic machines. At present, in the arc cam indexing mechanism on the market, during each indexing process, the rotation angle of the indexing plate is equal to the central angle between the rollers, that is, the number of indexing is equal to the number of rollers. When the num...

Claims

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Application Information

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IPC IPC(8): F16H27/04
CPCF16H27/04
Inventor 葛荣雨米政王进
Owner UNIV OF JINAN
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