Double-color hot runner die and using method thereof
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A hot runner and mold technology, applied in the field of two-color hot runner molds, can solve the problems of loose or peeling products, complicated production process, and reduced mold accuracy, and achieve the effect of reducing process, easy color change, and reducing waste.
Active Publication Date: 2013-03-27
南通江海港建设工程有限公司
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Therefore, the whole production process is more complicated, and there are many processes, which leads to the reduction of mold precision.
Moreover, the two-color mold generally has the phenomenon that the product is loose or peeled off from the staying side of the mold after the first molding, resulting in defective products or mold damage caused by the second molding
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[0021] Such as figure 1 , 2 As shown, the two-color hot runner mold includes left thimble 1, rear positioning round pin 2, left rear mold insert 3, rear mold 4, upper guide sleeve 5, upper guide post 6, front positioning round pin 7, front mold 8, front Mold insert 9, left hot runner 10, upper gate 11, right hot runner 12, right gate 13, fixed mold 14, lower guide post 15, lower guide sleeve 16, movable mold 17, right rear mold insert 18, Right thimble 19, movable mold fixed plate 20, pull rod 21, support head 22, middle support edge 23, middle support division 24, positioning division 25, thimble support plate 26 upper oil cylinder 27, lower oil cylinder 28; Hot runner 10, right hot runner 12, fixed mold 14 is provided with upper gate 11 and right gate 13, front mold insert 9 is matched with front mold 8 and fixed to fixed mold 14 by bolts, fixed mold 14 and movable mold 17 The upper guide post 15 cooperates with the upper guide sleeve 16, and is positioned by the front...
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Abstract
The invention discloses a double-color hot runner die and a using method thereof. The double-color hot runner die comprises thimbles, a positioning round pin, a rear die insert, a rear die, a guide sleeve, an upper guide post, a front die, a front die insert, a hot runner, a pouring gate, a movable die and a cylinder. A double-color die product is generated by one-time stripping in the hot runner die. After the die is closed for casting in use, the die is opened, the runner rest in a semi-finished product is ejected, then the movable die rotates for 180 degrees, the die is closed again for casting, the die is opened, the runner rest and the finished product in the semi-finished product are ejected by the left and right thimbles respectively, and then the die is closed for processing the products of next batch. The double-color hot runner die has the advantages of high automation degree, high production efficiency, low requirement for operators and simplicity in processing; and the cost is reduced due to large production batch, the appearance of the produced product is attractive, the reject rate is reduced, the quality of the product is improved, the plastic raw material is saved, and subsequent processes are not needed.
Description
technical field [0001] The invention relates to a two-color hot runner mold and a use method thereof, which can meet the processing requirements of one-time ejection of the two-color mold. Background technique [0002] In the production process of injection molded products, injection molds are currently widely used. Due to technical limitations, most of the previous mold products were produced in one color, that is, only one plastic material could be used for injection molding, so the appearance of the products produced in this way was not rich enough in terms of material and color. With the development of the times, people now have higher and higher requirements for the appearance of products, and the pursuit of more exquisite, fashionable and personalized mold products has become a current trend. [0003] At present, two-color molds are becoming more and more popular in the market, but there are also disadvantages of complex molds and high processing costs. For two-colo...
Claims
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