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Large end positioning and clamping device for connecting rod expansion breakage

A technology of positioning and clamping and positioning device, which is applied in workpiece clamping devices, welding equipment, laser welding equipment, etc., can solve problems such as affecting processing efficiency and processing accuracy cannot be effectively guaranteed.

Pending Publication Date: 2019-10-25
SHENGRUI TRANSMISSION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, the connecting rod expansion breaking process in the prior art mostly includes steps such as laser grooving, expansion breaking separation, slag removal on the expansion section, and bolt assembly. Secondary clamping affects the processing efficiency, and the processing accuracy cannot be effectively guaranteed

Method used

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  • Large end positioning and clamping device for connecting rod expansion breakage
  • Large end positioning and clamping device for connecting rod expansion breakage
  • Large end positioning and clamping device for connecting rod expansion breakage

Examples

Experimental program
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Effect test

Embodiment Construction

[0015] like Figure 1 to Figure 4 As shown, a connecting rod expansion fixture includes a support plate 1, a large end positioning device and a small end positioning device are arranged on the support plate 1, and the large end positioning device includes a large end movable positioning block 2 and two large end fixed positioning blocks 3. The fixed positioning block 3 of the big head is fixedly installed on the support plate 1 and is perpendicular to the expansion section of the big head. The movable positioning block 2 of the big head is hinged on the support plate 1 and is located between the fixed positioning blocks of the big head Between, the big head movable positioning block 2 and the support plate 1 are provided with a big head elastic pressing mechanism that can make the big head movable positioning block 2 close to the connecting rod, and the big head movable positioning block 2 is parallel to the The swelling section of the big head. When the bolt is assembled, th...

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Abstract

The invention discloses a large end positioning and clamping device for connecting rod expansion breakage. The device is characterized by comprising a support plate; a large end positioning device isarranged on the support plate, and comprises a large head movable positioning block and two large end fixed positioning blocks; the large end fixed positioning blocks are fixedly mounted on the support plate, and are perpendicular to expansion breakage surfaces of large ends; the large end movable positioning block is hinged to the support plate, and is positioned between the two large end fixed positioning blocks; a large end elastic pressing mechanism capable of enabling the large end movable positioning block to approach connecting rods is arranged between the large end movable positioningblock and the support plate; the large end movable positioning block is parallel to the expansion breakage surfaces of the large ends; slag blowing grooves are formed in the two large end fixed positioning blocks; a slag discharge groove is formed in the upper surface of a large end positioning sleeve to effectively realize slag removal of the expansion breakage surfaces; and multiple procedures can be fused to effectively improve the machining efficiency.

Description

technical field [0001] The invention relates to a large end positioning and clamping device for connecting rod expansion. Background technique [0002] The connecting rod bursting processing technology uses laser prefabricated crack grooves at the center of the big end hole of the connecting rod to form stress concentration, and then actively applies a load perpendicular to the predetermined fracture surface to induce cracks. The regular fracture can realize the expansion of the big hole of the connecting rod, and then automatically install the bolts to assemble the connecting rod body cover. In the process of expansion, due to various reasons such as material properties and fixture conditions, defects such as slag inclusion and slag drop on the expansion section are prone to occur. Vibration, knocking, and collision with the connecting rod body cover are often used to achieve slag removal. . Moreover, the connecting rod expansion breaking process in the prior art mostly i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K26/02B25B11/02
CPCB23K26/02B25B11/02
Inventor 赵志斌叶培新李新玉
Owner SHENGRUI TRANSMISSION
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