Sliding block core-pulling mechanism
A slider core-pulling and small-slider technology, applied in the field of molds, can solve the problems of difficulty in realizing the secondary core-pulling action, high cost, and large grinding volume.
Active Publication Date: 2018-04-20
NINGBO FANGZHENG TOOL
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Problems solved by technology
[0002] Injection molding technology is a very common processing method in the production of existing plastic products, and there are usually some side barb structures in injection molded products, which usually require a side core-pulling mechanism when the product is demolded, and for To prevent the barb part of the product from being damaged during demoulding, a certain delay action is required while pulling the core on the side. In the prior art, most of the solutions to this type of problem are the inclined ejector rod plus waist type. The combination of holes, this structure requires a large enough space when the upper and lower molds are opened, otherwise the delayed secondary core-pulling action is difficult to achieve, which will lead to large volume and high cost of the abrasive tool
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[0031] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0032] Such as Figure 1-8 As shown, the present invention provides a slider core-pulling mechanism, which includes a base 1 connected to a movable mold 100, a bottom plate 2 is provided on the base 1, a large slider 3 is slidably provided on the bottom plate 2, and a large slider 3 is provided on the base 1. Pull block 4 and oil cylinder 5, one end of pull block 4 is connected with the piston rod of oil cylinder 5, and the other end is detachably fitted on the large slider 3, and the large slider 3 is also equipped with a slanted top structure and a straight top structure .
[0033] The inclined roof structure includes a first small slider 6 and an inclined ejector rod 7 that is slidably fitted on the first small slider 6. Specifically, the first small slider 6 is provided with a T-shaped groove 6.2, and the inclined ejector rod 7 One end cl...
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The invention discloses a sliding block core-pulling mechanism comprising a base (1) connected to a moving mold. The sliding block core-pulling mechanism is characterized in that the base (1) is provided with a base plate (2), the base plate (2) is provided with a large sliding block (3) in a sliding mode, the base (1) is provided with a pulling block (4) and an oil cylinder (5), one end of the pulling block (4) is connected with a piston rod of the oil cylinder (5), the other end of the pulling block (4) is detachably assembled on the large sliding block (3), and the large sliding block (3) is internally provided an inclined-ejecting structure and a straight-ejecting structure. The sliding block core-pulling mechanism is simple and compact in structure, and good in stability; and the sliding block core-pulling mechanism has time-delay motion, and the barb structure of products is not damaged during demoulding.
Description
technical field [0001] The invention relates to the technical field of molds, in particular to a slider core-pulling mechanism. Background technique [0002] Injection molding technology is a very common processing method in the production of existing plastic products, and there are usually some side barb structures in injection molded products, which usually require a side core-pulling mechanism when the product is demolded, and in order to To prevent the barb part of the product from being damaged during demoulding, a certain delay action is required while pulling the core on the side. In the prior art, most of the solutions to this type of problem are the inclined ejector rod plus waist type. The combination of holes, this structure requires a large enough space when the upper and lower molds are opened, otherwise it is difficult to realize the delayed secondary core-pulling action, which will lead to large volume and high cost of the abrasive tool. [0003] Therefore, t...
Claims
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IPC IPC(8): B29C45/33B29C45/40B29C45/44
CPCB29C45/33B29C45/4005B29C45/44B29C2045/445
Inventor 高业汉胡愉晟屠磊达陈志军
Owner NINGBO FANGZHENG TOOL