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Split forging method and die for bucket tooth

A split-type, mold technology, applied in the field of mechanical parts processing, to achieve the effect of low cost, easy mold maintenance, and light mold edge wear

Active Publication Date: 2016-04-06
HUNAN SANTER MACHINERY MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In order to overcome the problems in the mold during the above forging process, the present invention proposes a split forging method for bucket teeth and its mold

Method used

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  • Split forging method and die for bucket tooth
  • Split forging method and die for bucket tooth
  • Split forging method and die for bucket tooth

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Embodiment 1, cutting along the longitudinal narrow symmetrical plane of the bucket tooth.

[0044] exist Figure 4-6 Among them, this set of molds includes a circular upper mold 1 and a lower mold 2. The upper mold 1 has guide blocks 4 on both sides, and the lower mold 2 has guide grooves 5 corresponding to the guide blocks on both sides. The upper mold and the lower mold There are also two flash grooves 6 on the working surface of the lower mold. There is a cavity 7 consistent with half bucket teeth between the two flash grooves 6 of the lower mold. The two flash grooves of the upper mold are fixed by screws 8. Forging block 9, after forging, two identical half-side bucket tooth blanks are respectively processed with grooves at the welding position, and then welded into one bucket tooth. The slit 3 is located along the longitudinal narrow symmetrical plane of the bucket tooth.

Embodiment 2

[0045] Embodiment 2, cutting along the longitudinal width symmetrical plane of the bucket teeth.

[0046] exist Figure 7-9 Among them, this set of molds includes a circular upper mold 1 and a lower mold 2. The upper mold 1 has guide blocks 4 on both sides, and the lower mold 2 has guide grooves 5 corresponding to the guide blocks on both sides. The upper mold and the lower mold There are two flash grooves 6 on the working surface of the lower mold, and there is a cavity 7 consistent with half bucket teeth between the two flash grooves of the lower mold, and the forging block is fixed by screws 8 between the two flash grooves of the upper mold. 9. After forging, two identical half-side bucket tooth blanks are respectively processed with grooves at the welding position, and then welded into one bucket tooth. The slit 3 is located along the longitudinal width symmetrical plane of the bucket tooth.

Embodiment 3

[0047] Embodiment 3, slitting is performed perpendicular to the long axis of the bucket teeth.

[0048] exist Figure 10-15 Among them, this set of molds includes sub-die 1 and sub-mold 2, sub-mold 1 forging the tooth tip part of the bucket teeth, sub-mold 2 forging the tooth root part of the bucket teeth, sub-mold 1 including upper die 1 and lower die 2, and upper die 1 There are guide blocks 4 on the two opposite sides, the two opposite sides of the lower mold 2 have guide grooves 5 corresponding to the guide blocks, and the working surfaces of the upper and lower molds have cavities 7 that are consistent with the tooth tips of the bucket teeth; The second also includes the upper die 1 and the lower die 2, the upper die has guide blocks 4 on both sides, the lower die has guide grooves 5 corresponding to the guide blocks, and the middle part of the working surface of the lower die has bucket tooth roots The same cavity 7; the middle part of the working surface of the upper d...

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Abstract

The invention relates to mechanical part machining, in particular to a split forging method and die for a bucket tooth. The whole bucket tooth is divided into two parts for cutting, cut metal materials are subjected to die assembly and die punching in the die after being heated and are forged and pressed into two bucket tooth blanks, the two blanks are welded together, and finally thermal treatment is carried out. According to the method, the whole bucket tooth is divided into two parts to be forged and pressed, and splitting can be carried out along the longitudinal wide symmetric face of the bucket tooth or the longitudinal wide symmetric face of the bucket tooth or in the direction perpendicular to the long axis. The split forging method and die have the advantages that the whole bucket tooth is divided into the two parts to be formed, a cavity of the die is shallow, the forming face is wide, abrasion to the side line of the die is small in the forging process, the die is easy to maintain, the production period is long, and cost is low. Metal cannot enter a clearance of the die in the forging process, a forged part can be smoothly taken out of the die, and production efficiency is high.

Description

technical field [0001] The invention relates to machining of mechanical parts, more specifically, to a split forging method for bucket teeth and a mold thereof. Background technique [0002] Bucket teeth are an important part of the excavator, similar to human teeth, which are vulnerable parts. The processing technology of bucket teeth generally includes casting or forging. The quality of forged bucket teeth is better than that of casting. Therefore, its application range is more and more extensive. Forging forming refers to applying external force to the metal to cause plastic deformation of the metal, changing the shape and size of the blank, improving its internal structure and mechanical properties, and obtaining a blank or part with a certain shape, size and performance. Traditional bucket tooth forging The process is basically carried out manually, and there are many deficiencies. [0003] If the workers make a slight mistake when discharging the material, it will ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21J5/02B21J13/02
CPCB21J5/02B21J13/02
Inventor 陈玲刘海雄
Owner HUNAN SANTER MACHINERY MFG
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