Die for preparing backboard of display
A display and mold technology, which is applied in the field of molds for preparing display backplanes, can solve the problems of easy waste of raw materials, large use of materials for display backplanes, slow injection molding efficiency of raw materials, etc., and achieves the effects of low production cost and simple structure
Inactive Publication Date: 2018-11-02
DONGGUAN HAOSHUN PRECISION TECH CO LTD
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Problems solved by technology
However, in the prior art, when preparing a large-area display backplane, due to the large amount of material used for the prepared display backplane, there is a shortcoming of slow injection molding efficiency of raw materials during injection molding. In addition, there are easy The defect of wasting raw materials
Method used
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[0053] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the embodiments and accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0054] A kind of mold that prepares display backplane of this embodiment, such as figure 1 As shown, it includes a left mould, an intermediate plate 1 and a right mould; A left chamber 6 that facilitates the movement of the left push plate 5 is provided between the baffle plates 4; wherein, the right mold includes a right mold base 7, a right splint 8, a right stop plate 9 and a right push plate 10 connected in sequence, and the right push plate 10 and the right stop plate 9 are provided with a right chamber 11 to facilitate the movement of the right push plate 10; wher...
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The invention relates to the technical field of dies, in particular to a die for preparing a backboard of a display. The die comprises a first feeding channel, a second feeding channel and a materialreturning channel, wherein the material returning channel is arranged between the first feeding channel and the second feeding channel; the first feeding channel is provided with a first melt injection pipe and a first injection nozzle communicating to each other, the second feeding channel is provided with a second melt injection pipe and a second injection nozzle communicating to each other, andthe material returning channel is provided with a material returning pipe and a material returning nozzle communicating to each other; the first feeding channel penetrates a left clamping plate, a left stopping plate, a left push plate and a left cavity, and the first injection nozzle, the second injection nozzle and the water returning nozzle are arranged on a middle plate; a cavity is formed inthe middle plate, and the first injection nozzle, the second injection nozzle and the material returning nozzle communicate to the cavity, separately. As the first feeding channel and the second feeding channel feed materials simultaneously and the material returning channel is arranged, the die for preparing the backboard of the display provided by the invention has the advantages that the efficiency of injection molding raw materials is high and the raw materials can be saved.
Description
technical field [0001] The invention relates to the field of mold technology, in particular to a mold for preparing a display backplane. Background technique [0002] The frame structure of the display is mainly composed of the display interface at the front and the back panel at the rear. With the development of technology and the emergence of large-area displays, the area of the display backplane is getting larger and larger. The display backplane is basically a display backplane made of plastic material, and the display backplane made of plastic material is generally formed by injection molding. At present, injection molds are generally used to prepare display backplane molds by injection molding. As the area of the display backplane increases, the cavity of the injection mold also expands. However, in the prior art, when preparing a large-area display backplane, due to the large amount of material used for the prepared display backplane, there is a shortcoming of s...
Claims
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IPC IPC(8): B29C45/26B29C45/27
CPCB29C45/26B29C45/2602B29C45/2606B29C45/2669B29C45/2708B29C2045/2671
Inventor 郝建广全洪杰
Owner DONGGUAN HAOSHUN PRECISION TECH CO LTD