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Compact-chain connecting method by once positioning, bending and molding

A bending forming and compact chain technology, which is applied in the field of chain linking, can solve the problems of poor uniformity and repeatability of the ring, difficulty in achieving tolerance accuracy, and substandard product quality, so as to improve production efficiency, reduce production costs and The effect of labor intensity and product ring consistency

Inactive Publication Date: 2013-12-04
江苏金茂制链有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The defect of this chain connection method is the secondary bending ring, many artificial factors, poor ring uniformity and repeatability, and it is difficult to achieve the required tolerance accuracy, resulting in substandard product quality

Method used

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  • Compact-chain connecting method by once positioning, bending and molding
  • Compact-chain connecting method by once positioning, bending and molding

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Embodiment Construction

[0016] Below in conjunction with accompanying drawing and specific embodiment, further illustrate the present invention, should be understood that these embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various aspects of the present invention Modifications in equivalent forms all fall within the scope defined by the appended claims of this application.

[0017] as attached figure 2 As shown, a compact chain one-time positioning bending forming linking method includes the following steps:

[0018] (1) Make the mold core: Make the mold core according to the size of the center hole of the ring to be made: one is a solid mold 1, which can withstand a relatively high-intensity force to ensure that both sides are bent and stressed at the same time when the ring is bent once; one is for the ring For the same solid mold, a par...

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PUM

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Abstract

The invention discloses a compact-chain connecting method by once positioning, bending and molding. The compact-chain connecting method comprises the steps of manufacturing a mold core, positioning, primarily bending rings, replacing the mold core and secondarily bending the rings. The compact-chain connecting method disclosed by the invention has the advantages that the compact-chain connecting process only needs once positioning, the positioning positions of bars in twice bending are unified by replacing the mold core, the bending and forming of the bars are consistent, and an obtained product is consistent in ring shape and tolerance; instruction programming control can be adopted, and the fast, accurate and repeatable method is provided for solving the chain connecting operation in large-batch production, so that the production cost and the labor intensity are reduced and the production efficiency is improved.

Description

technical field [0001] The invention relates to a method for connecting chains. Background technique [0002] High-strength compact chain is a new type of accessory for mine conveying machinery, especially widely used in the coal mine industry. The compact chain is composed of ordinary circular rings (flat rings) and flat rings (vertical rings) spacers. The production process is to produce flat rings first, and then connect the circular rings to form a chain. Therefore, the linking process and linking equipment are important links in the production of compact chains. [0003] The previous linking method is to use the secondary bending ring method, such as the attached figure 1 As shown, the bar is first bent into a round hook shape, and the prefabricated flat rings on both sides are inserted before the second ring bending, and then the second round hook is bent to close the bar to form a ring. The defect of this linking method is the secondary bending ring, many artificia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21L1/02
Inventor 束建平
Owner 江苏金茂制链有限公司
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