Dynamic anti-trimming injection mold
An injection mold and anti-flying technology, applied in the field of molds, can solve the problems of increasing component manufacturing costs, increasing processing procedures, fixed mold and movable mold clamping are not firm, and achieve the effect of avoiding sprawl and avoiding flashing
Inactive Publication Date: 2019-11-22
德清县诚达金属材料有限公司
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Problems solved by technology
[0003] However, in the process of injection molding, flashing is easy to occur. The occurrence of flashing is often due to the looseness of the fixed mold and the movable mold, which causes the molten material to flow out from the gap of the mold. Although the generation of flash will not affect the whole of the injection molded part, it will increase the post-processing process and correspondingly increase the manufacturing cost of the part, and the firmness of the mold clamping depends entirely on the size of the power effect, that is, the power of the cylinder. function, and the cylinder cannot apply force without up and down
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[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.
[0019] In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", " The orientation or positional relationship indicated by "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, so as to Specific orientation configurations and operations, therefore, are not to be construed as limitations on the invention.
[0020] refer to Figure ...
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The invention discloses a dynamic anti-trimming injection mold which comprises a fixed mold body and a movable mold body. A groove is formed in the movable mold body and internally rotationally connected with a pair of driving wheels. The two driving wheels are rotationally connected with the inner wall of the groove through connecting shafts. The two driving wheels are rotationally connected withthe inner wall of the groove through the connecting shafts, wherein one side of one driving wheel is meshed and connected with a bevel gear, a rotating shaft is rotationally connected between the twoconnecting shafts, the bevel gear fixedly sleeves the rotating shaft, and the center of the rotating shaft is fixedly sleeved with a straight gear. Through the characteristic that the mold is high intemperature in the injection molding process, according to the characteristic that memory metal can deform into a specific form under different temperature environments, the first-stage memory metalshaft and the second-stage memory metal shaft are in a stretched state and a compressed state respectively under the high-temperature environment, the crawler reciprocating rotating operation is realized, and the leaking material blocking effect is realized.
Description
technical field [0001] The invention relates to the technical field of molds, in particular to a dynamic anti-flash injection mold. Background technique [0002] Molds are various molds and tools used in industrial production for injection molding, blow molding, extrusion, die-casting or forging forming, smelting, stamping, etc. to obtain the required products. Molds are tools used to make shaped objects. It is composed of various parts, and different molds are composed of different parts. It mainly realizes the processing of the shape of the article through the change of the physical state of the formed material. [0003] However, in the process of injection molding, flashing is easy to occur. The occurrence of flashing is often due to the looseness of the fixed mold and the movable mold, which causes the molten material to flow out from the gap of the mold. Although the generation of flash will not affect the whole of the injection molded part, it will increase the post-p...
Claims
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IPC IPC(8): B29C45/26
CPCB29C45/0025B29C45/2669
Inventor 沈小红
Owner 德清县诚达金属材料有限公司