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Trimming stripping mechanism applied to hot die forging of pistons of different diameters

A technology that adapts to different hot die forgings. It is applied in the field of hot die forging and forging. It can solve the problems of increasing mold adjustment time and manufacturing costs, and large loss of stripper plates, so as to increase the application range of trimming, increase production efficiency, and avoid Effect of Tooling Material Loss

Pending Publication Date: 2019-10-29
ANHUI ANHUANG MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Among them, the design requirements of the stripping plate for trimming are relatively low, but in order to ensure the strength and eliminate the influence of deformation caused by the high temperature of the hot forging during trimming as much as possible, the thickness is usually thickened, which leads to the stripping plate in the trimming process. The loss in the production process is large, which increases the mold adjustment time and manufacturing cost

Method used

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  • Trimming stripping mechanism applied to hot die forging of pistons of different diameters
  • Trimming stripping mechanism applied to hot die forging of pistons of different diameters
  • Trimming stripping mechanism applied to hot die forging of pistons of different diameters

Examples

Experimental program
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Effect test

Embodiment 1

[0020] See Figure 1-2 , A trimming and stripping mechanism suitable for hot die forging of pistons of different diameters, including trimming upper template 11 and trimming lower template 13. The trimming upper template 11 is driven by a slider in a crank press. The crank press adopts The equipment model is 250T / 315T. Two edge trimming station boards 12 are fixed on the trimming lower template 13, and edge trimming die seats 7 are installed on the edge trimming station board 12, and the edge trimming die seats 7 pass through the pressing plate 8. The edge trimming die 5 is fixed and clamped. The inner bottom of the trimming die 5 is vertically provided with a piston forging 6; the bottom of the template 11 on the trimming edge is fixedly installed with a transition plate 1, and the bottom surface of the transition plate 1 is in a rectangular row The cloth is installed with four groups of vertical downward guide posts 3 equipped with mold springs, and the lower surface of the t...

Embodiment 2

[0024] On the basis of the first embodiment, the adjustment block 9 is adjusted and fixed on the trimming and stripping plate 10 by two bolts. The stripping force generated by the trimming and stripping plate 10 comes from the molds on the four guide posts 3 Spring elasticity and selection of a suitable mold spring can also determine the range of the trimming die set's stripping ability, and also determine the adjustable range of the adjustment block 9 on the trimming stripping board 10.

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PUM

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Abstract

The invention relates to the technical field of hot die forging, and discloses a trimming stripping mechanism applied to hot die forging of pistons of different diameters. The trimming stripping mechanism comprises a trimming upper die plate and a trimming lower die plate; two trimming standing plates are fixedly mounted on the trimming lower die plate; trimming concave die holders are mounted onthe trimming standing plates; trimming concave dies are fixedly clamped in the trimming concave die holders through pressing plates; piston forged pieces are vertically arranged at the inner bottoms of the trimming concave dies; a transition plate is fixedly mounted at the bottom of the trimming upper die plate; four groups of guiding columns vertically arranged downwards and equipped with die springs are mounted in a rectangular shape on the edge of the lower surface of the transition plate; a trimming punch connecting block is fixedly mounted on the lower surface of the transition plate positioned in the middle of the four groups of guiding columns; a trimming punch is connected with the bottom end of the trimming punch connecting block; a trimming stripper plate is mounted at the bottoms of the guiding columns in a pressing manner through bolts; an adjusting groove is formed in the bottom of the trimming stripper plate; and four groups of adjusting blocks with adjustable internal control diameters are arranged in the adjusting grooves.

Description

Technical field [0001] The invention relates to the technical field of hot die forging, specifically a trimming and stripping mechanism adapted to hot die forging of pistons of different diameters. Background technique [0002] The piston structure is similar and has many specifications. Steel pistons generally use an open hot die forging process. During the forging process, different products correspond to different trimming die frame structures. Every time a product is replaced, the forging die and trimming die frame structure of the product need to be replaced simultaneously. When replacing the trimming die frame structure, it is usually necessary to replace the trimming punch, trimming die, and trimming stripper plate. piece of workwear. [0003] Among them, the design requirements for the trimming stripper plate are lower, but in order to ensure the strength and try to eliminate the influence of deformation caused by the high temperature of the hot forging during trim...

Claims

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Application Information

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IPC IPC(8): B21J13/02B21J13/14B21K1/18B21J5/02
CPCB21J5/02B21J13/02B21J13/14B21K1/18
Inventor 王飞金朝晖徐宝国
Owner ANHUI ANHUANG MACHINERY