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Automatic stretching head

A drawing head, automatic technology, used in metal processing, metal processing equipment, manufacturing tools, etc., can solve the problems of low work efficiency and slow speed, and achieve the effect of high preloading operation efficiency

Pending Publication Date: 2018-12-14
南通高盛机械制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the stretching and pre-tightening operation of these two kinds of stretching heads, the screwing in and unscrewing of the pre-tightening bolts of the stretching head are all done by manual operation, the speed is slow and the work efficiency is low, and it is only suitable for manual stretchers

Method used

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  • Automatic stretching head

Examples

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Embodiment Construction

[0008] An automatic stretching head is composed of a stretching head and a driving device. The stretching head is composed of a stretching head body 10 , a compression spring 11 , a detection sensor 12 and a retaining device 13 . The upper part of the stretching head body 10 is a pull rod 101 , and the lower part is a spur gear 102 . The pull rod 101 is arranged in the middle of the piston 3, the middle part of the pull rod 101 is provided with a retention nut 103 at the upper end of the piston 3, the upper end of the retention nut 103 is provided with a pull rod sleeve 104, and the top of the pull rod sleeve 104 is provided with a washer 105, and the compression spring 11 Set on the washer 105, the detection sensor 12 is set in the top hole 106 of the pull rod 101, the retaining device 13 is set on the upper end of the pull rod sleeve 104 and the lower end of the pull rod 101, and the inside of the spur gear 102 is provided with a pre-tightening bolt Matching thread 107; the...

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Abstract

An automatic stretching head is constituted by a stretching head body and a driving device. The stretching head body is constituted by a stretching head main body, a compressing spring, a detection sensor and position fixing devices. A pull rod is arranged on the upper portion of the stretching head main body, and a straight gear is arranged on the lower portion of the stretching head main body. Aposition fixing nut is arranged in the middle of the pull rod, and the compressing spring is arranged on a gasket. The detection sensor is arranged in a top hole of the pull rod, and the position fixing devices are arranged on the upper and lower portions of the pull rod. A thread is arranged in the straight gear on the lower portion. The driving device is constituted by a motor, a first reduction gearbox and a second reduction gearbox. An output shaft of the first reduction gearbox is connected with a first input gear of the second reduction gearbox, and the first input gear is engaged witha second output gear. One side of the second output gear is located in a supporting ring through groove and engaged with a straight gear located on the inner side of the supporting ring through groove. In the stretching and pre-tightening processes, pre-tightening bolts can be automatically screwed in and out of the stretching head main body under driving of the driving device, automatic stretching and pre-tightening are achieved, and stretching and pre-tightening operation is convenient, quick, capable of saving labor and safe.

Description

technical field [0001] The invention relates to a stretching head for a stretcher, in particular to an automatic stretching head. Background technique [0002] At present, there are generally two structural types of stretching heads used in stretchers. One is the nut type, that is, a thread matching the pre-tightening bolt is set in the middle of the cylinder piston, and the piston is directly connected to the pre-tightening bolt for tension and pre-tightening; the other is a screw sleeve type, and the screw sleeve is equipped with a The screw thread, the outer circle of the screw sleeve matches the inner hole of the cylinder piston. When these two kinds of stretching heads are stretched and pre-tightened, the stretching heads are screwed in and unscrewed from the pre-tightened bolts by manual operation, which has slow speed and low work efficiency, and is only suitable for manual stretchers. Contents of the invention [0003] Aiming at the shortcomings of the stretching...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P19/06
CPCB23P19/067
Inventor 耿晓曦马超陈进海
Owner 南通高盛机械制造有限公司
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