Single-cylinder multi-point hot runner system
A hot runner and multi-point technology, applied in the field of single-cylinder multi-point hot runner system, can solve the problems of poor blade rotation balance, affecting the overall structure of the fan blade, and unable to ensure synchronization, etc., to achieve high de-balancing requirements, uniform quality, The effect of uniform and fast feeding speed
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[0027] The technical solutions of the present invention will be further described below in conjunction with the drawings and specific implementations.
[0028] The single-cylinder multi-point hot runner system of this embodiment is used for injection molding of products with circular or center-symmetric outward diverging structures, such as figure 1 As shown, it includes an annular cylinder 1, a feed nozzle 2, a splitter plate 3 and a needle valve 4; the annular cylinder 1 includes a cylinder 11, an annular piston 12, and an end cover 13, wherein:
[0029] The cylinder 11 is provided with a cavity 111, and the annular piston 12 is arranged in the cavity 111;
[0030] The annular piston 12 is in sliding fit with the inner wall of the cavity, and the annular piston 12 divides the cavity into two respectively closed annular air chambers;
[0031] The end cover 13 is provided at the opening of the cavity 111, and the end cover 13 is hermetically connected with the inner wall of the cavity ...
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