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Electromagnetic riveter driving head

A technology of electromagnetic riveting gun and driving head, which is applied in the field of machinery and can solve problems such as inability to interfere with fasteners and short strokes

Active Publication Date: 2012-01-18
SHAANXI DAGONG XUHANG ELECTROMAGNETIC TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the short stroke of the existing electromagnetic riveting gun driving head and the inability to install interference fit fasteners, the present invention provides an electromagnetic riveting gun driving head, by changing the connection mode of the sliding part of the driving head, it is placed Inside the electromagnetic riveting gun, it can realize the installation of long stroke interference fit fasteners

Method used

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Embodiment Construction

[0018] refer to Figure 1-9 , The present invention includes a punch 3, an amplifier 6, an insulating liner 8, a driving piece 9, a spindle 11, a spindle sleeve 13, a compression spring 5, a buffer spring 14, and a linear bearing 12. The amplifier 6 is a cone with a bottom cone angle of 33 degrees. The bottom surface of the cone has a circular boss with a thickness of 3 mm, and the center of the boss has a fine threaded hole. The head of the cone is a circular boss with a threaded hole in the center of the boss and a wrench groove 21 on the side for mounting and dismounting the punch 3 . The head of the mandrel 11 is a fine thread boss 19, the front section is provided with a wrench groove 21, and the tail has a threaded hole. Through the wrench groove 21, screw the threaded boss 19 of the head of the mandrel into the threaded hole corresponding to the circular boss 15 on the bottom surface of the amplifier 6 and tighten it so that the shoulder 20 of the mandrel 11 fits close...

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Abstract

The invention relates to an electromagnetic riveter driving head for solving the technical problem that interference fit fasteners cannot be installed due to short stroke of the conventional electromagnetic riveter driving head. According to the technical scheme, a core shaft (11) placed in an electromagnetic riveter and capable of sliding is designed, the core shaft (11) is guided by using a linear bearing (12), a guide sleeve (1) and a front cover (2) are canceled, so that the driving head can extend outwards freely; and the maximum stroke of the driving head reaches 50 millimeters, so thatthe driving head can be used for installing the long-stroke interference fit fasteners. Due to the configuration of a compression spring (5) and a buffer spring (4), certain safety distance is kept between a driving plate (9) and a discharge coil (10) in a standby state; and a circular lug boss (15) is used as the positioning lug boss, so that the core shaft (11) and an amplifier (6) have relatively high verticality, and the driving plate (9) can be tightly attached to the discharge coil (10).

Description

technical field [0001] The invention relates to the mechanical field, in particular to an electromagnetic riveting driver head. Background technique [0002] refer to Figure 10 . The document "Chinese Invention Patent Publication No. CN101890473A" discloses a low-voltage electromagnetic riveting gun. The driving head part includes a guide sleeve 1, a front cover 2, a punch 3, a nut 4, a compression spring 5, an amplifier 6, and an air outlet 7. Insulation liner 8, driving piece 9. The guide sleeve 1 is fixed on the front cover 2, the punch 3 is connected with the amplifier 6, slides in the guide sleeve 1, and is limited by the spring 5 and the nut 4. The gap between the driving piece 9 and the discharge coil 10 is the working stroke of the driving head of the electromagnetic riveting gun. Generally, when installing interference fit fasteners, the stroke of the driving head of the electromagnetic riveting gun is required to exceed the thickness of the interlayer of the fa...

Claims

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Application Information

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IPC IPC(8): B21J15/24
Inventor 曹增强陈琦盛熙
Owner SHAANXI DAGONG XUHANG ELECTROMAGNETIC TECH CO LTD