Method for making open steel drum and special warp mould
A production method and technology of steel drums, which can be applied to household utensils, manufacturing tools, and other household utensils, can solve the problems of high production cost, laborious, time-consuming, etc., and achieve the effects of reducing production costs, saving manpower, and improving equipment production capacity
Inactive Publication Date: 2012-10-24
句容市三圆制桶有限公司
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[0003] The traditional production process of steel drums is: first make the barrel body, then spray the inside, bake the barrel body with the inner spray at high temperature, then seal the bottom and curl the mouth, because some of the sprayed paint will be wiped off when rolling the mouth , so recoating should be done after the back cover and curling mouth, after the recoating, a second high-temperature baking should be carried out, and finally external spraying should be carried out; this production process also needs to go through two high-temperature baking, which is time-consuming, laborious and expensive. high
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[0018] The present invention will be further described below in conjunction with the accompanying drawings.
[0019] A method for manufacturing an open steel drum of the present invention, the method comprises the following steps:
[0020] The first step is to make the steel plate according to the preset specifications to make the barrel body; the above specifications can be determined according to the needs of customers;
[0021] In the second step, one end of the barrel body is crimped with a special crimping mold;
[0022] Among them, special rolling dies such as figure 1 and figure 2 As shown, it includes a template 1, a positioning hole 5 is set in the center of the template 1, and an inner ring pressing plate 2, an outer ring pressing plate 4, an elastic wear-resistant plate 3, an inner ring pressing plate 2 and an outer ring are arranged on the same side of the template 1. The pressing plate 4 compresses the elastic wear-resistant plate 3 on the template 1; the elas...
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The invention discloses a method for making an open steel drum and a special warp mould. The method comprises the following steps of: 1, making a steel plate into a drum body according to a preset dimension; 2, warping one end of the drum body by using the special warp mould; 3, performing internal spraying on the warped drum body; 4, baking the sprayed drum body at the temperature of 270 to 280 DEG C; 5, sealing the bottom of the baked steel drum; and 6, conveying the steel drum with the bottom to external spraying equipment to perform external spraying so as to obtain the open steel drum. The special warp mould comprises a template, wherein a positioning hole is formed in the center of the template; an internal ring pressing plate, an external ring pressing plate, an elastic wear-resisting plate are arranged at one side of the template; and the internal and external ring pressing plates press the elastic wear-resisting plate on the template tightly. The method has the advantages of saving labor force, material resources and time, reducing production cost and improving the production capacity of equipment by saving secondary high-temperature baking in the traditional process.
Description
technical field [0001] The invention relates to a method for making a barrel, in particular to a method for making an open steel barrel and a special rolling die. Background technique [0002] Steel drum is a kind of metal container. It is a container with large capacity made of steel plate (including hot-rolled sheet, cold-rolled sheet, galvanized sheet, etc.). It is generally cylindrical and is an important packaging container. It is used in chemical industry, It is widely used in the packaging field of petroleum, medicine, food, military products and many other commodities. According to the structure of the closure and the diameter of the closure, it can be divided into four types: closed steel drum and fully open steel drum. Barrels, Medium Barrels, Semi-Medium Barrels, and Light Barrels. According to performance requirements, steel drums are also divided into grades I, II and III. The performance of the steel drum refers to the main technical parameters of the steel ...
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IPC IPC(8): B21D51/20B21D37/10B21D19/12
Inventor 邰世朋邓斌
Owner 句容市三圆制桶有限公司