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Bolt tightening device

A bolt and tightening gun technology, applied in metal processing, metal processing equipment, manufacturing tools, etc., can solve the problems of poor adaptability and stability, and achieve the effect of improving adaptability and stability

Pending Publication Date: 2018-09-21
广东嘉铭智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the sleeve in the prior art is axially compressed, it is only subjected to the reaction force of a spring. When the stiffness coefficient of the spring is determined, the amount of compression corresponding to the external force is determined, thus resulting in relatively poor adaptability and stability of the equipment. Difference

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Embodiment Construction

[0028] In view of this, the core of the present invention is to provide a bolt tightening device, which can effectively meet the low elastic coefficient when the bolt and the sleeve are combined and the high elastic coefficient when the bolt is screwed into the threaded hole, thereby improving the adaptability and stability of the equipment .

[0029] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0030] Such as figure 2 As shown, the bolt tightening device disclosed in the embodiment of the present invention includes a tightening gun 1 connected in sequence, a coupling 2 and a sleeve 3, the coupling 2 is provided with a first elastic telescopic mechanism 4, the coupling 2 and the The joint of the sleeve 3 is also provided with a second elastic telescopic mechanism 5 that enables the...

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Abstract

The invention discloses a bolt fastening device which comprises a tightening gun, a coupling and a sleeve which are connected in sequence, wherein a first elastic telescoping mechanism is arranged inthe coupling, a second elastic telescoping mechanism capable of enabling the sleeve to move along the axial direction of the coupling is arranged at the joint of the coupling and the sleeve, and the elastic coefficient of the first elastic telescoping mechanism is greater than the elastic coefficient of the second elastic telescoping mechanism. The bolt tightening device can effectively meet low elastic coefficient when the bolt is combined with the sleeve and high elastic coefficient when the bolt is screwed into a threaded hole, so as to improve the equipment adaptability and stability.

Description

technical field [0001] The invention relates to the technical field of mechanical equipment, in particular to a bolt tightening device. Background technique [0002] At present, the bolt tightening station on the manufacturing production line generally adopts the method of tightening gun + coupling + sleeve. The tightening gun and the coupling fixing seat are fastened together by bolts. The telescopic shaft of the coupling is relatively The fixed seat of the coupling has an axial degree of freedom and a rotational degree of freedom. The inner spring of the coupling keeps the coupling extended. When the telescopic shaft of the coupling is subjected to axial pressure, it will shrink in the corresponding distance. When tightened When the gun rotates, it drives the telescopic shaft of the coupling to rotate, and the sleeve also rotates with the telescopic shaft of the coupling. The bolts on the sleeve are screwed into the threaded holes, and the telescopic function of the coupli...

Claims

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Application Information

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IPC IPC(8): B23P19/06
CPCB23P19/06
Inventor 劳永革段峰何建枝余文醒
Owner 广东嘉铭智能科技有限公司
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