Method for manufacturing stair step plate utilizing roll bending machine
A technology of tread plate and plate rolling machine, which is applied to stairs, treads, etc., can solve the problems of high processing cost, slow stepping speed, labor consumption, etc., and achieve the effect of high efficiency, simple processing and labor reduction.
Inactive Publication Date: 2008-11-19
CHINA FIRST METALLURGICAL GROUP
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Problems solved by technology
Among them, the first process is slow in making steps, and it consumes labor and too many auxiliary materials; the second process uses special equipment in the society for processing, and the processing cost is high.
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[0025] Such as figure 1 , figure 2 , image 3 , Figure 4 As shown, the method for making stair treads with a rolling machine comprises the following steps:
[0026] 1) Blanking: According to the design size of the required step plate, the steel plate is marked, cut and blanked to obtain the step billet;
[0027] Most of the steel structure stairs in industrial plants are patterned steel plates. There are anti-slip particles on the front of the patterned steel plates, which are not easy to draw lines. Machine, after cutting the material, the oxide attached to the cutting edge should be cleaned; the size deviation requirements after the blanking is completed: the deviation of the outer dimension is ≤ 2mm, and the deviation of the diagonal line is ≤ 3mm.
[0028] 2) Production of the tire mold: the tire mold is composed of the first supporting steel plate 1, the second supporting steel plate 2, and the third supporting steel plate 3, the second supporting steel plate 2 and ...
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The invention relates to a method for manufacturing a steel structure stair tread. The method for manufacturing the stair tread by utilization of a rolling machine is characterized by comprising the following: firstly, a step of blanking; secondly, a step of manufacturing a moulding bed; thirdly, a step of moulding, which is to lift an upper roller of the rolling machine, to insert the moulding bed between the upper roller and a lower left roller and a lower right roller, to make the length direction of the moulding bed parallel to that of the upper roller, to drop the upper roller of the rolling machine, and to tightly press the moulding bed; fourthly, a step of rolling moulding, which is to place one end of the stair tread into a curved groove of the moulding bed, to start the rolling machine after a step billet is placed in place, to utilize the rotation of the upper roller and the lower left roller and the lower right roller of the rolling machine to drive the moulding bed to move backwards and forwards in the horizontal direction, to form one hem of the tread by bending the end part of the step billet through the pressure between the upper roller of the rolling machine and the moulding bed during the process, to form the other hem of the tread by repeating the rolling moulding process, and then to obtain the tread. The method is characterized by simple processing, low cost and high efficiency.
Description
technical field [0001] The invention relates to a method for manufacturing a step plate of a steel structure staircase. Background technique [0002] The production of steel structure stairs is mainly the production of treads. There are two traditional crafts for treads: the first is welding to make treads, which is to cut each step into three pieces, two bent sides and one middle Fast, and then assemble and weld the three semi-finished products; the second is to use special equipment to press and form the stair treads. Wherein the first kind of craft makes stepping speed slowly, and consumes manpower, and auxiliary material is too much; The second kind of craft utilizes social special-purpose equipment to process, and processing cost is high. Contents of the invention [0003] The object of the present invention is to provide a method for making stair treads by using a plate rolling machine with simple processing, low cost and high efficiency. [0004] In order to achie...
Claims
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IPC IPC(8): E04F11/112B23P15/00B21D19/02
Inventor 祝成洲徐晓华魏长青付勇钢
Owner CHINA FIRST METALLURGICAL GROUP