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Pneumatic hot riveter head

A technology of pneumatic heat and riveting guns, applied in the field of heat riveting gun heads, can solve problems such as the deflection of the rivet rod and affect the effect, and achieve the effect of reducing the inclination, reducing the residue, and improving the appearance

Pending Publication Date: 2021-12-07
李庞军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to make up for the deficiencies of the existing technology and solve the problem that the rivet shaft is prone to deflection when the cornbread hits the nail head, which affects the effect after riveting, a pneumatic heat riveting gun head proposed by the present invention

Method used

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  • Pneumatic hot riveter head
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Embodiment approach

[0029] As an embodiment of the present invention, the inside of the guide sleeve 3 is provided with an evenly arranged annular groove 37; inside the annular groove 37, a reinforcing ring 36 is fixedly connected; Diameter corresponds to matching design;

[0030] During work, the cornbread 2 is a consumable item, and it is subjected to force impact for a long time. Since the edge position of the depression on the left end surface of the cornbread 2 is relatively weak, the cornbread 2 and the rivet rod are easily damaged during the impact process, and the inside of the guide sleeve 3 The space is provided with evenly arranged annular grooves 37, and the interior of the annular grooves 37 is fixedly connected with a reinforcing ring 36. The internal diameter of the reinforcing ring 36 is designed to match the internal diameter of the cornbread 2, so that the reinforcing ring 36 of the steamed cornbread 2 can be placed in the stress process. The weak parts of the cornbread 2 are pr...

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Abstract

The invention belongs to the technical field of hot riveter heads, and particularly relates to a pneumatic hot riveter head which comprises a rear seat block, a socket and a guide sleeve. The rear seat block is located on the right side of a hot riveter head body, and a rectangular first groove is formed in the right side surface of the rear seat block; the left side end face of the rear seat block is fixedly connected with the socket, and the surface of the end, far away from the rear seat block, of the socket is arc-shaped sunken; and the outer surface of the socket is sleeved with the guide sleeve. The socket, the guide sleeve and a first spring are arranged, the guide sleeve is slidably connected to the outer surface of the socket, in the stress impact process of the socket and a rivet rod, the socket slowly moves in the direction of the rivet rod, and meanwhile the guide sleeve compresses the first spring after being subjected to resistance of a riveted object, so that the guide sleeve moves in the direction of the rear seat block; and through the design of the guide sleeve, the inclination amplitude generated in the stress impact process of the rivet rod can be effectively reduced, the riveting yield is synchronously improved, and the labor material cost is saved while bad output is reduced.

Description

technical field [0001] The invention belongs to the technical field of heat riveting gun heads, in particular to a pneumatic heat riveting gun head. Background technique [0002] Hot riveting is riveting after heating the rivet to a certain temperature. Because the plasticity of the rivet increases after heating, the hardness decreases, and the nail head is easy to form, so the external force required for hot riveting is much smaller than that for cold riveting. In addition, during the cooling process of the rivet, the shrinkage of the length of the shank will increase the thickness of the sheet. The positive pressure between them can produce greater friction resistance when the sheet is stressed, which improves the riveting strength. Hot riveting is often used when the rivet material has poor plasticity, the rivet diameter is large, or the riveting force is insufficient. [0003] When the rivet is heated to the initial riveting temperature, the end of the rivet head can b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21J15/38
CPCB21J15/38
Inventor 李庞军钱圣
Owner 李庞军
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