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Cylinder positioning and clamping mechanism suitable for the end cover of the circular cylinder of the automobile post-processor

A technology for positioning and clamping mechanism and post-processor, applied in auxiliary devices, vehicle parts, transportation and packaging, etc., can solve the problem of inconvenient processing of high-precision ultra-long cylindrical parts, unsatisfactory locking effect, and poor centering effect. It can achieve the effect of improving accuracy, mobile coordination and synchronization, and improving positioning accuracy.

Active Publication Date: 2017-12-01
CHENGDU HANKE ROBOT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The above-mentioned stretching fixture can automatically return to its position, can realize centering without gap, has good locking effect, and is easy to operate the steel ball centering inner hole stretching fixture; it solves the problem of poor centering effect and inconvenient processing in the prior art High-precision ultra-long cylindrical parts, the technical problem of unsatisfactory locking effect

Method used

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  • Cylinder positioning and clamping mechanism suitable for the end cover of the circular cylinder of the automobile post-processor
  • Cylinder positioning and clamping mechanism suitable for the end cover of the circular cylinder of the automobile post-processor
  • Cylinder positioning and clamping mechanism suitable for the end cover of the circular cylinder of the automobile post-processor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] A cylinder positioning and clamping mechanism suitable for the end cover of a circular cylinder of an automobile post-processor, the cylinder positioning and clamping mechanism includes a claw plate 15, and the claw plate 15 has a circular structure. At least three slide rails 3 are arranged on the surface of the jaw plate 15 , and each slide rail 3 is arranged along the radial direction of the jaw plate 15 . A slide plate is arranged on each slide rail 3 , and the slide plate can move along the length direction of the slide rail 3 under driving action. Each group of slides is provided with a positioning plate 16, the positioning plate 16 is an arc structure, so that the positioning plate 16 can better contact with the inner wall of the workpiece when the workpiece is clamped, and the positioning plate 16 along with the sliding plate along the slide rail The workpiece is tightened when the length direction of 3 moves outward, and finally the workpiece is tightened. Mul...

Embodiment 2

[0045] On the basis of Embodiment 1, the synchronous mechanism for synchronizing the movement of each slide plate on the jaw plate 15 includes a center plate, which is arranged at the center of the disc surface of the jaw plate 15, and the center plate can be positioned at the center of the jaw plate 15. The disc surface of claw disc 15 is free to rotate. Several connecting rods 7 are hinged on the center plate, the quantity and position of the connecting rods 7 are compatible with the quantity and positions of the slide plates, and the other end of the connecting rods 7 is hinged with the slide plates at the corresponding positions on the claw plate 15 .

Embodiment 3

[0047] On the basis of the second embodiment, the plurality of slide rails 3 can be evenly distributed along the circumferential direction of the surface of the jaw plate 15 on the jaw plate 15 , or randomly distributed along the surface of the jaw plate 15 . Preferably, a plurality of slide rails 3 should be evenly distributed along the circumferential direction of the jaw plate 15, so as to facilitate subsequent centering of workpieces with different apertures. When the slide plate moves along the length direction of the slide rail 3, when the slide plate is located at the far end of the slide rail 3, each set of connecting rods 7 is parallel to the slide rail 3 at its corresponding position, and each set of connecting rods 7 points to the center disk the center of the circle.

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Abstract

The invention discloses a cylinder positioning and clamping mechanism suitable for an automobile postprocessor round cylinder end cover, and belongs to a cylinder positioning mechanism in the mechanical dedicated clamp technical field. The cylinder positioning and clamping mechanism suitable for the automobile postprocessor round cylinder end cover is high in centering precision and can be suitable for welding and clamping of cylinders of different hole diameters. According to the technical scheme, the mechanism comprises a clamping jaw disc, at least three sliding rails are arranged on the face of the clamping jaw disc, each sliding rail is arranged in the radial direction of the clamping jaw disc, a sliding plate moving in the length direction of each sliding rail is arranged on each sliding rail, and a positioning plate for tensioning a workpiece is arranged on each sliding plate; a driving mechanism used for driving each sliding plate is arranged at the position, corresponding to each sliding plate, of the face of the clamping jaw disc; and a synchronous mechanism used for synchronizing moving of the sliding plates is arranged on the face of the clamping jaw disc. The cylinder positioning and clamping mechanism is suitable for the cylinders.

Description

technical field [0001] The invention belongs to the technical field of special fixtures for machinery, and relates to a cylinder body positioning mechanism, in particular to a cylinder body self-centering positioning and clamping mechanism for annular seam welding of a circular cylinder end cover. Background technique [0002] Automobile post-processor is a new generation of automobile exhaust gas treatment product with the latest design. It has outstanding features such as advanced technical performance, safe and reliable use, and convenient maintenance. It is the most ideal exhaust gas treatment equipment for modern automobiles. [0003] The automotive afterprocessor is mainly assembled from multiple parts, and the outer cylinder is the most critical seal on the afterprocessor, because the outer girth weld of the end cover of the outer cylinder plays a major role in sealing. With the development of society and the advancement of technology, higher requirements are put for...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K37/04
CPCB23K37/0443B23K2101/006
Inventor 樊宇峰庞博张明殷建辉
Owner CHENGDU HANKE ROBOT