Lifter mechanism for solving product interference by utilizing movable insert and use method thereof
A lifter mechanism and movable insert technology, applied to injection molds and fields, can solve the problems of restricting the freedom of product design, mechanism motion stuck, and plastic debris stuck.
Pending Publication Date: 2020-09-01
NINGBO XINGLI AUTOMOBILE MOLD
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Problems solved by technology
At the same time, the generated plastic debris will be stuck in the gap of the movement of the mechanism, causing the movement of the mechanism to be stuck
Usually, it is solved by changing the movement direction of the lifter and modifying the product, but modifying the product will change its appearance or assembly relationship, which limits the freedom of product design
Method used
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[0031] 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. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0032] Such as Figure 2 to Figure 7 As shown, the present invention discloses a slanted top mechanism that uses movable inserts to solve product interference, including a mold core 8, a slanted top piece 3, a slanted top column 1 and a sliding assembly 2, and the upper end of the mold core 8 is provided with an opening 9. The sloping top 3 is set in the opening 9, the upper surface of the sloping top 3 is flush with the opening 9, so it is convenient for injection...
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The invention relates to a lifter mechanism for solving product interference by utilizing a movable insert and a using method of the lifter mechanism. The lifter mechanism comprises a mold core, a lifter piece, a lifter column and a sliding assembly, an opening is formed in the upper end of the mold core, the lifter piece is arranged in the opening, the upper surface of the lifter piece is flush with the opening, a barb forming cavity is formed between the forming face of the lifter piece and the side wall of the mold core, a first notch is formed in the joint of the other side, opposite to the barb forming cavity, of the lifter piece and the upper surface of the lifter piece, the movable insert which is connected with the lifter piece in a sliding mode is arranged at the first notch, themovable insert and the bottom of the opening are arranged at an interval, a driving mechanism for driving the movable insert to move in the direction opposite to the moving direction of the lifter piece is arranged between the movable insert and the mold core, a guide limiting mechanism is arranged between the movable insert and the lifter piece so that product damage caused by interference in product demolding is prevented, meanwhile, mechanism clamping stagnation is prevented, the efficiency is high, and the structure is simple.
Description
technical field [0001] The invention relates to the field of injection molds and technology, in particular to a tilting top mechanism which uses movable inserts to solve product interference and its application method. Background technique [0002] In the production of injection molding products, the undercut inside the product needs to use "slope top" to shape the product structure. Due to the special shape and angle of some products, the inclined roof may interfere with the product during the movement. In actual production, the inclined top will shovel off the product, causing appearance defects. The slanted roof mechanism includes a slanted column and a slanted roof piece. The interference distance between the outside of the slanted roof piece and the top of the product is S1 during demoulding, for example figure 1 shown. At the same time, the generated plastic debris will be stuck in the movement gap of the mechanism, causing the movement of the mechanism to be stuck....
Claims
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IPC IPC(8): B29C45/33B29C45/44
CPCB29C45/33B29C45/44
Inventor 张学军章晓勇严峻
Owner NINGBO XINGLI AUTOMOBILE MOLD