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Externally-tightening and quick-changing hobbing tool for shafts

An external expansion and gear hobbing technology, applied in gear tooth manufacturing devices, gear teeth, gear cutting machines, etc., can solve the problems affecting the output of the production line, the small range of the outer diameter of the rigid expansion sleeve, the long loading and unloading, and the adjustment time, etc. To achieve the effect of increasing the range and uniform tightening force

Active Publication Date: 2015-12-16
SHAANXI FAST GEAR CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the relevant tooling in the workshop is made of rigid expansion sleeves. The diameter range of the outer circle that can be clamped by the rigid expansion sleeves is very small. Basically, each part corresponds to a set of fixtures. It takes a long time to install, unload, and adjust when changing production, which affects the output of the production line.

Method used

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  • Externally-tightening and quick-changing hobbing tool for shafts
  • Externally-tightening and quick-changing hobbing tool for shafts
  • Externally-tightening and quick-changing hobbing tool for shafts

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Embodiment Construction

[0022] The present invention is described in further detail below in conjunction with accompanying drawing:

[0023] see figure 1 , the present invention includes a base 7 installed on the working plane of the machine tool, on which a transition support 5, a top 3, a transition pull plate 4 and an adhesive expansion sleeve 2 are sequentially installed on the base 7; in addition, it also includes a top 3 for changing different sizes Auxiliary tool 1 for production replacement; the top 3 adopts a flattened structure, and the part matching the inner hole of the transition support 5 is provided with a platform to ensure that the center line of the top is perpendicular to the plane of the worktable; the tail of the top 3 is provided with a guide and a fixing function thread. The transition puller 4 is connected to the machine tool tie rod 8 through the matching assembly of the screw and the guide sleeve 6, and moves downward or upward under the drive of the machine tool tie rod 8;...

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Abstract

The invention discloses an externally-tightening and quick-changing hobbing tool for shafts. The externally-tightening and quick-changing hobbing tool comprises a base installed on a work plane of a machine tool. A transition pull plate and an adhesion tightening sleeve are sequentially installed on the base. The transition pull plate is connected to a pull rod of the machine tool and driven by the pull rod of the machine tool to move downwards or upwards. The adhesion tightening sleeve is matched with the transition pull plate to tighten or loosen work-pieces. According to the characteristics that power takeoff shafts are various and production change is frequent, the externally-tightening and quick-changing hobbing tool is designed. According to the tool, serialization design is carried out on the adhesion tightening sleeve and a centre, the adhesion tightening sleeve and the centre are convenient to change, and the design range of clamps for new shaft parts in future can be expanded.

Description

【Technical field】 [0001] The invention belongs to the technical field of mechanical processing, and relates to a production changing tool, in particular to an outwardly expanding quick-change gear hobbing tool for shafts. 【Background technique】 [0002] At present, there are many types of power take-off products, and the output shafts and hollow shafts of various power take-offs are all arranged on the same production line for production, and the frequency of replacement is very high. Moreover, the outer circles, lengths, and center hole positioning dimensions of different axes are often inconsistent. At present, the relevant tooling in the workshop is made of rigid expansion sleeves. The diameter range of the outer circle that can be clamped by the rigid expansion sleeves is extremely small. Basically, each part corresponds to a set of fixtures. It takes a long time to install, unload, and adjust when changing production, which affects the output of the production line. . ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23F23/06
Inventor 韦喜梅侯沛韩利
Owner SHAANXI FAST GEAR CO
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