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Manufacture method and die for producing pallet fork with thickened bottom

A technology for forks and molds, which is applied in the direction of manufacturing tools, forming tools, metal processing equipment, etc., and can solve the problems that fork upsetting cannot be realized, the load-bearing capacity cannot be increased, and the thickness can not be increased.

Active Publication Date: 2012-12-12
NINGBO RENBA FORK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical solution disclosed in the present invention is to solve the problem that the prior art cannot increase the load-bearing capacity while increasing the thickness of the pallet fork.

Method used

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  • Manufacture method and die for producing pallet fork with thickened bottom
  • Manufacture method and die for producing pallet fork with thickened bottom
  • Manufacture method and die for producing pallet fork with thickened bottom

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Embodiment Construction

[0028] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar components or components with the same or similar functions. The embodiments described below by referring to the figures are exemplary, and are only for explaining this patent, and cannot be construed as limiting this patent.

[0029] combined with Figure 1 to Figure 3 , a mold for producing bottom-thickened forks, including a die for upsetting fork blanks and a stamping die for finalizing the forks;

[0030] Described upsetting mold comprises an upper formwork 1, lower formwork 2, a workbench A3 and a pressurizing device 4; Described lower formwork 2 is fixed on the workbench 3; Described workbench one end has a plug 5, uses To resist the fork blank 7 to prevent movement; the other end of the workbench has a pressurizing device 4; ...

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Abstract

The invention relates to a die for producing a pallet fork with a thickened bottom. The die comprises an upsetting die for upsetting a pallet fork blank and a stamping die for finalizing a shape of the pallet fork. The upsetting die comprises an upper die plate, a lower die plate, a working bench and a pressure device. The stamping die comprises a fixed die plate and a moving die plate, wherein the fixed die plate and the moving die plate are respectively L-shaped. A small L-shaped groove with the same width to the width of the pallet fork blank is arranged at the L-shaped bottom-corner position of the fixed die plate.

Description

technical field [0001] The invention relates to the field of mechanical processing molds, in particular to a manufacturing method and mold for producing bottom-thickened pallet forks. Background technique [0002] The fork is an L-shaped steel component that is installed on a forklift or a lifting engineering vehicle to lift various heavy objects. According to the load-bearing capacity of the fork, the fork of various specifications includes a vertical section and a horizontal section for fixing to the forklift. According to the safety requirements of the fork, the standard of the fork stipulates that the thickness of the root of the horizontal section is more than 1.2 times the thickness of other parts. This requirement brings certain difficulties to the production of the fork. [0003] At present, the main method of domestic production of pallet fork blanks is to forge and make after heating the steel billet. The production of fork blanks by forging technology requires l...

Claims

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Application Information

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IPC IPC(8): B21J13/02B21D37/10B23P15/00
Inventor 姚雅平
Owner NINGBO RENBA FORK
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