Opposite roller spin forming device

A technology of spinning forming and wheel alignment, which is applied in the field of powerful spinning devices, can solve the problems of poor adaptability of core molds, uneven deformation of inner and outer surfaces of spinning parts, etc., achieve uniform deformation, reduce residual stress, and improve dimensional accuracy

Active Publication Date: 2014-04-02
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the disadvantages of the poor adaptability of the mandrel to the workpiece in the existing spinning device and the uneven deformation of the inner and outer surfaces of the spinni...

Method used

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  • Opposite roller spin forming device
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  • Opposite roller spin forming device

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Embodiment Construction

[0018] In order to better understand the present invention, the structure of the present invention will be described in detail below in conjunction with the accompanying drawings, but the embodiments of the present invention are not limited thereto.

[0019] like figure 1 , 2 As shown, a counter wheel spinning forming device includes a frame 20, an outer wheel device and an inner wheel device; wherein the frame 20 is mainly composed of a frame, a pressing plate 21 and a back cover; the pressing plate 21 and the back cover are fixed on the frame superior.

[0020] The inner wheel device is mainly composed of inner wheel 6, inner jaw 7, bearing 8, chuck body 13, wedge block 14, flange support tube 15, counter wheel tail top 16, bearing seat 17 and screw rod 18; One end of the blue support cylinder 15 is connected to the chuck body 13, and the other end is fixed to the tail top 16 of the pair of wheels, and the tail top 16 of the pair of wheels is connected to the bearing seat ...

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PUM

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Abstract

The invention discloses an opposite roller spin forming device which comprises a frame, an outer spinning roller device and an inner spinning roller device. One end of a flange supporting cylinder is connected with a chuck, the other end of the flange supporting cylinder is fixed to an opposite roller top end, the opposite roller top end is connected with a bearing block, rear bearings are arranged at the center of the bearing block, the rear end of a lead screw is fixed to the rear bearings and connected with a first servo motor, the lead screw penetrates the opposite roller top end and the flange supporting cylinder, the front end of the lead screw is connected with three wedge blocks through lead screw nuts, inner spinning rollers are mounted on inner clamping jaws through bearings, the inner clamping jaws are connected with the wedge blocks, the three wedge blocks are uniformly distributed in T-shaped guide-track grooves in a 120-degree manner, an oblique angle is formed between each guide-track groove and the axis of the corresponding wedge block, the inner clamping jaws are provided with T-shaped sliders with oblique planes having the same angle, and three outer spinning rollers are positioned on the peripheries of the three inner spinning rollers. The opposite roller spin forming device is simple and reliable in structure and high in control precision and machined workpiece quality.

Description

technical field [0001] The invention relates to a powerful spinning device, in particular to a counter-wheel spinning forming device, which is an improvement on the traditional spinning device. technical background [0002] At present, in the powerful spinning process of cylindrical parts, it is necessary to design a mandrel with a corresponding size according to the inner diameter of the workpiece, and then put the blank on the mandrel, and the blank is plastically deformed under the action of the spinning wheel. This traditional spinning device not only needs to design a special mandrel for each workpiece, which increases production costs and reduces production efficiency, but also causes uneven deformation of the inner and outer surfaces of the workpiece, forming a large residual stress, which affects The precision of the workpiece. Contents of the invention [0003] In order to overcome the disadvantages of poor adaptability of the mandrel to the workpiece and uneven ...

Claims

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Application Information

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IPC IPC(8): B21D22/14
Inventor 夏琴香肖刚锋程秀全黄涌
Owner SOUTH CHINA UNIV OF TECH
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