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Single-main-cylinder pull-down type large ring piece bulging machine

A bulging machine, large-scale technology, applied in metal processing equipment, manufacturing tools, safety equipment, etc., can solve problems such as difficult operation, troublesome maintenance, heavy equipment weight, etc., to achieve easy maintenance, small equipment weight, and good stress state Effect

Active Publication Date: 2018-05-01
CHINA NAT HEAVY MACHINERY RES INSTCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The pull-down type mostly adopts a multi-cylinder structure or a multi-tie rod structure, but this kind of equipment is heavy, and the maintenance is troublesome and not easy to operate.

Method used

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  • Single-main-cylinder pull-down type large ring piece bulging machine
  • Single-main-cylinder pull-down type large ring piece bulging machine
  • Single-main-cylinder pull-down type large ring piece bulging machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] This embodiment provides a Figure 1 to Figure 4 The single master cylinder pull-down large-scale ring bulging machine shown includes a workbench 5 above the foundation and a base 11 inside the foundation. An inner groove is arranged below the foundation level, and the inner groove communicates with the upper part of the foundation level. The workbench 5 The upper parts are all above the foundation level, and the rest are placed in the inner groove of the foundation. It also includes a center tie rod 2 and a bulging mold 4. The center tie rod 2 passes through the center of the workbench 5, and the outside of the center tie rod 2 is drawn from the top. The bulging core cone 1, the upper beam 20, the main cylinder body 17, and the moving beam 9 are set sequentially from the bottom, and the bulging mold 4 is placed on the workbench 5, and the bulging mold 4 is located outside the bulging core cone 1. The outer diameter of the bulging core cone 1 decreases successively from...

Embodiment 2

[0038] On the basis of Embodiment 1, this embodiment provides a single master cylinder pull-down large-scale ring bulging machine. The workbench 5 includes an annular fixing seat 22 on which a plurality of Groove 27, slide rail 21 is all provided on a plurality of slide grooves 27, and described bulging mold 4 is placed on slide rail 21, reset oil cylinder 23 is all equipped with below each slide rail 21, described bulging core cone 1 outside There are a plurality of bulging inclined blocks 3 distributed in the circumferential direction, and a plurality of bulging inclined blocks 3 are placed on the upper beam 20, and a plurality of sets of slide rails 21 are radially distributed uniformly, and the inner end of each slide rail 21 is connected with a bulging inclined block. Block 3 is connected.

[0039] The outer diameter of the bulging core cone 1 decreases sequentially from top to bottom, through the contact between the bulging core cone 1 and the bulging slanting block 3, t...

Embodiment 3

[0042] On the basis of Embodiment 2, this embodiment provides a single master cylinder pull-down large-scale ring bulging machine. The slide rail 21 includes a roller slide rail 26 and a roller slide rail 25, and the roller slide rail 26 and the roller-less slide rail 25 are evenly spaced along the circumferential direction.

[0043] Further, the slide rail of the roller slide rail 26 is provided with a groove, and the rotating roller 24 is housed in the groove, and the highest position of the rotating roller 31 is higher than the upper surface of the slide rail of the roller slide rail 26, and the roller slide The outer end surface of the rail 26 is also equipped with a hydraulic motor 28 , and the hydraulic motor 28 is connected with the rotating roller 24 .

[0044] When the bulging mold 4 moves radially inward synchronously and resets, the outermost bulging mold 4 is disengaged from the inner wall of the ring 6 , and the hydraulic motor 28 drives the rotating roller 24 to ...

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Abstract

The invention provides a single-main-cylinder pull-down type large ring piece bulging machine. The single-main-cylinder pull-down type large ring piece bulging machine comprises a worktable arranged above a foundation and a base in the foundation, and further comprises a center pulling rod and a bulging die; the center pulling rod penetrates through the center of the worktable, and the outer sideof the center pulling rod is sequentially sleeved with a bulging core cone, an upper beam, a main cylinder body and a movable beam from top to bottom; the bulging die is placed on the worktable and located on the outer side of the bulging core cone; the diameter of the outer side of the bulging core cone is gradually decreased from top to bottom, an opening of the main cylinder body faces downwards, and a main cylinder plunger is mounted in the main cylinder body, the outer part of the center pulling rod is sleeved with the main cylinder plunger, and an annulus cavity is formed between the interior of the main cylinder plunger and the center pulling rod; an oil inlet hole is formed in the upper end of the main cylinder body, an oil through hole is formed in the upper end of the main cylinder plunger, and the oil through hole communicates with the oil inlet hole and the annulus cavity in the main cylinder plunger; and a lower beam is fixed to the base, a return cylinder is connected tothe lower beam, and a plunger of the return cylinder is connected to the lower end of the movable beam. The single-main-cylinder pull-down type large ring piece bulging machine has the characteristicsof being simple in structure, good in stress state, small in equipment weight, easy to maintain and the like.

Description

technical field [0001] The invention relates to the field of metallurgical equipment, in particular to a single master cylinder pull-down large ring bulging machine. Background technique [0002] At present, domestic ring bulging machines have two different structures: push-up type and pull-down type. The push-up type is mostly used for small and medium-sized ring bulging machines, and the pull-down type is used for medium-sized and large-scale ring bulging machines. The pull-down type mostly adopts a multi-cylinder structure or a multi-tie rod structure, but this kind of equipment is heavy, and the maintenance is troublesome and not easy to operate. Contents of the invention [0003] The purpose of the present invention is to overcome the problems of the prior art and provide a single master cylinder pull-down large-scale ring bulging machine, which can bulge metal rings from the inside to the outside so that the shape of the rings is regular and pre-order processing such...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D39/20B21D55/00
Inventor 张君郭晓锋杨大祥谷瑞杰段丽华
Owner CHINA NAT HEAVY MACHINERY RES INSTCO
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