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Apparatus for welding and positioning flywheel assembly

A technology of welding positioning and assembly, which is applied in the direction of auxiliary devices, welding equipment, auxiliary welding equipment, etc., can solve the problems that cannot be applied in the field of welding technology, achieve the elimination of thermal deformation, reduce the run-out height of the outer diameter and the end face, and weld The effect of improving efficiency

Active Publication Date: 2009-07-08
SHANGHAI AUTOMOBILE GEAR WORKS
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  • Abstract
  • Description
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Problems solved by technology

However, the insert movable structure involved in this technology is only suitable for high-temperature forging and shaping, and cannot be applied to the field of welding technology.

Method used

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  • Apparatus for welding and positioning flywheel assembly
  • Apparatus for welding and positioning flywheel assembly
  • Apparatus for welding and positioning flywheel assembly

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Embodiment Construction

[0016] The embodiments of the present invention are described in detail below: the present embodiment is implemented under the premise of the technical solution of the present invention, and detailed implementation and specific operation process are provided, but the protection scope of the present invention is not limited to the following implementation example.

[0017] Such as figure 1 As shown, this embodiment includes: a cylinder connector 1, an inner clamping sleeve 2, an outer clamping sleeve 3, a positioning ring 4, a limit piece 5 and a clamp base 6, wherein: the inner clamping sleeve 2 and the outer clamping sleeve 3 are respectively arranged on the upper edge of the positioning ring 4, the limit piece 5 is sleeved on the inner edge of the clamp base 6, several cylinder connectors 1 pass through the outer clamping sleeve 3, the positioning ring 4 and the clamp base 6 in sequence, and the cylinder connectors The upper end and the lower end of 1 are respectively fixed...

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Abstract

The invention relates to a welding and positioning device for a flywheel assembly in the technical field of motorcar part manufacture, comprising air cylinder connecting pieces, a limit piece, a clamp base, an inner gripping sleeve, an outer gripping sleeve and a positioning ring, wherein the inner gripping sleeve and the outer gripping sleeve are respectively arranged on the upper brim of the positioning ring, the limit piece is sheathed on the inner brim of the clamp base, and a plurality of the air cylinder connecting pieces respectively run through the outer gripping sleeve, the positioning ring and the clamp base in order; and the upper and the lower ends of the air cylinder connecting pieces are respectively fixedly connected with the limit piece and a welding air cylinder, and the outer brim of the inner gripping sleeve is matched with the inner brim of the outer gripping sleeve. Aiming at solving the disadvantages of the prior art, the device changes the mode of clamping positioning to greatly eliminate the thermal distortion of a gear ring and effectively reduce the outside diameter jumpiness height and the end face jumpiness height of the flywheel assembly which needs to be welded, thus compared with the prior art, the welding efficiency is increased by 11 percent.

Description

technical field [0001] The invention relates to a device in the technical field of auto parts manufacturing, in particular to a welding positioning device for a flywheel assembly. Background technique [0002] Generally, the flywheel welding fixture adopts the method of compressing the ring gear and the flywheel disc, and processes it with the method of plane positioning. This is a mature processing method for welding flywheel assemblies that has been used for many years. However, due to the large amount of heat generated by welding, thermal deformation of the ring gear occurs during welding, which seriously affects the runout of the outer diameter of the ring gear. In order to improve the welding quality, it is necessary to eliminate the thermal deformation of the ring gear during welding. [0003] After searching the literature of the prior art, it is found that the Chinese patent application number 200420061514.X and the authorized announcement number CN2726789Y record a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K37/04
Inventor 隋维庆陆兵
Owner SHANGHAI AUTOMOBILE GEAR WORKS
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