A method of manufacturing an injection molded shoe midsole with grooves on the bottom surface
A technology of injection molding shoes and soles, which is applied to footwear, household appliances, and other household appliances, etc. It can solve the problems of increasing manufacturing costs, prolonging, troubles, etc., and achieve the effect of saving manufacturing costs
Active Publication Date: 2019-07-30
广东万里马实业股份有限公司
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Problems solved by technology
But in order to make these small differences, it is necessary to remake the mold or change the existing mold. No matter which method is used, it will involve the mold, which will undoubtedly increase a lot of manufacturing costs and prolong the manufacturing time.
[0008] The above-mentioned problems of increased manufacturing cost and extended delivery time caused by changing the bottom surface of the injection-molded shoe midsole have long plagued injection-molded shoe midsole manufacturers and need to be resolved urgently
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[0032] The present invention will be further described in detail below in conjunction with the accompanying drawings.
[0033] see figure 1 , 2 , 3, 4, the present invention manufactures the method for the injection molded shoe midsole that bottom surface has groove, comprises:
[0034] The first step is to utilize the mold to injection mold the midsole body 10 of the shoe. The peripheral part of the bottom surface 13 of the midsole body of the shoe formed in this step forms a whole circle of raised side walls 11, and the raised height of the side walls 11 is 1.5 millimeters. , the width of the side wall 11 is 2.5 millimeters; the plastic raw material for injection molding is polypropylene, the injection molding temperature range is 200-235 degrees Celsius, the injection molding pressure range is 80-90 MPa, the injection molding time is 6 seconds, and the pressure holding time is 2 seconds. The holding pressure range is 75-85 MPa;
[0035] The second step is to use a laser ...
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The invention discloses a method for manufacturing an injection-molded insole with grooves in a bottom surface. The method comprises the following steps: a step of injection-molding an insole main body, wherein a raised side wall is formed on the peripheral part of the bottom surface of the insole main body; a step of manufacturing a groove board, wherein the groove board manufactured in the step is provided with openings in the peripheral part; a step of combining the groove board with the insole main body, wherein the groove board is attached to the bottom surface in the side wall of the insole main body; a step of notching the side wall, wherein notches are formed in the side wall, so that the notches and the openings in the groove board co-define grooves for accommodating and placing the end parts of stripes. According to the method for manufacturing the injection-molded insole, the quantity and positions of the grooves can be quickly changed with low cost, so that manufacturing cost is not increased greatly and delivery time is not prolonged much, and therefore, the problems which trouble the injection-molded insole manufacturers for a long time is solved.
Description
technical field [0001] The invention relates to the technical field of shoemaking, in particular to a method for manufacturing an injection molded shoe midsole with grooves on the bottom surface. Background technique [0002] The midsole is an important part of many shoe soles, shaping and supporting the entire shoe. There is an existing injection molded shoe midsole, which is manufactured by mold injection molding technology. It is widely accepted by shoe factories and consumers because of its stable quality, low cost, and beautiful shape. [0003] Some shoes, such as sandals, have a vamp or part of the vamp made of strips, which not only have the function of binding, but also can be woven into various styles, which has an aesthetic effect. For this kind of shoes with strips, at least one end of the strip must be fixed on the sole. Now it is common practice to open a groove on the periphery of the bottom surface of the midsole of the shoe, and the groove is at the side of ...
Claims
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IPC IPC(8): B29D35/12
CPCB29D35/122
Inventor 陈卫东
Owner 广东万里马实业股份有限公司