One-piece injection molding process of Christmas tree branches
A branch and one-piece technology, which is applied in the field of Christmas tree branch integral molding injection molding technology, can solve the problems of tree branch falling off and affecting the integrity of Christmas tree branches, and achieve the effect of structural integrity
Active Publication Date: 2022-03-08
惠州市禾田装饰品有限公司
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Problems solved by technology
However, under the long-term shaking of the Christmas tree branches made by the existing injection molding process, the branches are easy to fall off from the sockets of the branch body, which affects the integrity of the Christmas tree branches
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[0026] A number of embodiments of the present invention will be disclosed in the following figures. For the sake of clarity, many practical details will be described together in the following description. It should be understood, however, that these practical details should not be used to limit the invention. That is, in some embodiments of the invention, these practical details are not necessary. In addition, for the sake of simplifying the drawings, some well-known and commonly used structures and components will be shown in a simple schematic manner in the drawings.
[0027] In the present invention, descriptions such as “first” and “second” are used for description purposes only, and do not refer to the meaning of sequence or sequence, nor are they intended to limit the present invention, but are only used to distinguish The terms describe components or operations only, and should not be understood as indicating or implying their relative importance or implying the number...
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The invention discloses an injection molding process for integral molding of Christmas tree branches, which includes the following steps: a male mold and a female mold are molded, at least one of the male mold and the female mold is provided with a feed hole, and after the male mold and the female mold are molded, Form N cavities, the feed hole communicates with at least one of the N cavities, and one of the cavities communicates with the remaining N-1 cavities, N is a natural number and N≥2; and / or metal strips of PVC leaves are respectively inserted into N cavities; hot-melt plastic is injected from the feeding hole, and the hot-melt plastic fills the N cavities; the hot-melt plastic is cooled, and the Christmas tree branches are formed in the N cavities; The male mold and the female mold are demoulded, and the formed Christmas tree branches are taken out. Clamp the male mold and the female mold, insert the long strips with PE / PVC leaves into at least two connected cavities, fill the cavities with molten plastic, and the branch body and branches of the formed Christmas tree branches are fixedly connected by molten plastic. Even if there is violent shaking, the branches will not be detached from the branch body, which ensures the structural integrity of the Christmas tree.
Description
technical field [0001] The invention relates to the technical field of Christmas trees, in particular to an injection molding process for integrally forming Christmas tree branches. Background technique [0002] The Christmas tree is a decorative tree for Western Christmas. It symbolizes the tree of life or the tree of knowing good and evil, and is the main component of Christmas. The injection molding process has a short production cycle, high productivity, and can produce structures with complex shapes. Therefore, the injection molding process is widely used in the production of Christmas tree branches. [0003] The Christmas tree branch includes a branch body and branches. In the existing Christmas tree branch injection molding process, an injection mold is used to inject the branch body with jacks, and then the branches are manually inserted into the jacks of the tree branch body. But the Christmas tree branch that existing injection molding process is made is shaken fo...
Claims
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IPC IPC(8): B29C45/14B29C45/26B29L31/00
Inventor 陈结忠毕群山
Owner 惠州市禾田装饰品有限公司