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Auxiliary mechanism used for key groove forming of chain wheel with multiple sizes

A technology of auxiliary mechanism and sprocket, which is applied in metal processing equipment, accessories of broaching machine, broaching machine, etc., can solve the problems of lack of positioning device and inconvenience, and achieve the goal of improving synchronization effect, saving reserves, and improving positioning accuracy Effect

Pending Publication Date: 2018-09-04
浙江弘晟传动有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The use of two synchronous sprockets is very extensive. In order to improve the synchronous effect of the two sprockets, a broaching machine is usually used for simultaneous processing. However, when performing synchronous processing, there is still a lack of special positioning devices, and, for different sizes sprocket, requires unused tools, very inconvenient

Method used

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  • Auxiliary mechanism used for key groove forming of chain wheel with multiple sizes

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Embodiment 1

[0013] Such as figure 1 As shown, an auxiliary mechanism for opening keyways of sprockets of various sizes includes a central shaft 1, a positioning plate 2 and a positioning rod 3, and the central shaft 1 is provided with a keyway broach groove 4 in the axial direction. The keyway broach groove 4 of the keyway runs through the two ends of the central shaft 1, and one end of the positioning plate 2 is provided with a collar 5, and the collar 5 is clamped and fixed with one end of the central shaft 1, and the collar 5 is fixed on the positioning plate 2. One side of the collar 5 is fixed with a boss 6 that protrudes toward the center of the collar 5. The cross section of the boss 6 is semicircular. The groove 7, the groove 7 runs through the central axis 1 in the axial direction of the central axis 1, the positioning plate 2 is perpendicular to the central axis 1, and the positioning plate 2 is vertically away from the central axis 1 There are a plurality of through holes 10 v...

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Abstract

The invention discloses an auxiliary mechanism used for key groove forming of chain wheel with multiple sizes. The auxiliary mechanism comprises a central shaft, a positioning plate and a positioningrod; a key groove broaching tool groove is formed in the center shaft in the axial direction, one end of the positioning plate is provided with a lantern ring, the lantern ring is clamped and fixed with one end of the central shaft, a boss is fixed on the lantern ring, and a groove matched with the boss is formed in the arc surface of the outer side of the central shaft; the positioning plate is perpendicular to the central shaft, a plurality of through holes which are perpendicular to the positioning plate are formed in the positioning plate, the through holes are distributed at equal intervals, the outer diameter of the bottom end of the positioning rod is larger than the inner diameter of each through hole, and the outer diameter of the top end of the positioning rod is smaller than theinner diameter of each through hole; and an external thread is arranged outside the top end of the positioning rod, and the top end of the positioning rod penetrates through any through hole of the positioning plate to extend to the other side of the positioning plate, the top end of the positioning rod is matched with a nut, and the bottom end of the positioning rod and the center shaft are located on the same side of the positioning plate. According to the auxiliary mechanism, the synchronization effect of two chain wheels can be improved, and the purpose that one set of tools can be used for positioning the chain wheels with the multiple sizes is achieved.

Description

technical field [0001] The invention relates to the field of sprocket processing, in particular to an auxiliary mechanism for opening key grooves of sprockets of various sizes. Background technique [0002] A sprocket is a wheel with a cog-type buckle sprocket, which is used to mesh with a block with an accurate pitch on a chain link or a cable. At present, the sprocket is widely used in chemical industry, textile machinery, food processing, and instrumentation , Petroleum and other industries, such as mechanical transmission. [0003] The sprocket is usually provided with a keyway, and opening the keyway through a broaching machine is a common processing method. The use of two synchronous sprockets is very extensive. In order to improve the synchronous effect of the two sprockets, a broaching machine is usually used for simultaneous processing. However, when performing synchronous processing, there is still a lack of special positioning devices, and, for different sizes T...

Claims

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Application Information

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IPC IPC(8): B23D39/00B23D41/00B23D41/06
CPCB23D39/00B23D41/00B23D41/06
Inventor 金明
Owner 浙江弘晟传动有限公司
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