Manufacturing method of prestressed porous anchor plates

A manufacturing method and prestressing technology, which is applied in the field of anchor plate manufacturing, can solve the problems of internal and external hardness of difficult products, waste of energy consumption, and easy collapse, etc., and achieve the effect of consistent hardness, ensuring product quality, and eliminating collapse

Inactive Publication Date: 2010-09-15
JIANGYIN FASTEN ALGA ENG MATERIAL +1
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Problems solved by technology

[0003] (1) During extrusion, it is easy to collapse at the junction of the taper hole and the extrusion surface, which not only affects the appearance quality of the product but also easily causes adverse effects on the quality
[0004] (2) The traditional quenching method requires heating and tempering, which not only causes waste of energy consumption, but also makes it difficult to make the internal and external hardness of the product consistent

Method used

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  • Manufacturing method of prestressed porous anchor plates
  • Manufacturing method of prestressed porous anchor plates
  • Manufacturing method of prestressed porous anchor plates

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Embodiment Construction

[0032] The present invention relates to a method for manufacturing a prestressed porous anchor plate. The anchor plate 7 is provided with several anchor holes 71, and the upper end of the anchor hole 71 is a tapered hole and the lower end is a straight hole, such as Figure 1~2 As shown, three stations are successively arranged on the stamping plate of the press 8, which are blank making station 1, punching station 2 and piercing station 3 respectively, and the manufacturing method of the prestressed porous anchor plate is as follows:

[0033] 1) Heating: heating the round steel material 4 obtained after cutting the raw material to 1150±20°C.

[0034] 2) Blank making: put the round steel material 4 into the blank mold mold consisting of the blank mold upper mold 11 and the blank mold lower mold 12, and the blank mold upper mold 11 is fixed on the blank making station 1 , the lower mold 12 of the blank-making mold is fixed on the bottom plate of the press 8, and the lower surfa...

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Abstract

The invention relates to a manufacturing method of prestressed porous anchor plates, which is used for manufacturing anchor plates. A plurality of anchor holes (71) are arranged on an anchor plate (7), wherein the upper end of each anchor hole (71) is a tapered hole, and the lower end of each anchor hole (71) is a straight hole. The manufacturing method of prestressed porous anchor plates comprises the following steps of: (1) heating; (2) preparing blanks; (3) punching; (4) perforating; (5) quenching; and (6) atomizing. The manufacturing method of prestressed porous anchor plates has low energy consumption and enables products to have good hardness consistency and beautiful appearance.

Description

(1) Technical field [0001] The invention relates to a method for manufacturing an anchor plate, in particular to a method for manufacturing a prestressed porous anchor plate, which is used for the manufacture of the anchor plate. (2) Background technology [0002] At present, the porous anchor plate is widely used as the prestressed structure of infrastructure such as steel cable roads and bridges. The traditional processing method uses turning and drilling to saw and perforate the round steel to form a porous structure, and then heats and quenches to increase the resistance. tensile strength. Using this method not only complicates the processing procedure, but also causes a lot of waste of raw materials in the process of perforating. For this reason, Chinese patent 200710068606.9 has announced a kind of hot extrusion manufacturing method of porous anchor plate, adopts the method for hot extrusion processing to process and manufacture porous anchor plate, but there are foll...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00B21D28/26
Inventor 刘礼华刘荣增
Owner JIANGYIN FASTEN ALGA ENG MATERIAL
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