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Gumming co-extrusion mold

A mold and gluing technology, applied in the field of plastic production, can solve problems such as affecting product quality and delamination, and achieve the effect of improving product quality, reducing delamination and uniform gluing

Inactive Publication Date: 2015-03-25
HENAN SHENGSHI PLASTICS IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The co-extrusion mold for plastic profiles includes a mold body, the mold body has a mold cavity, the mold body has a front inlet and a rear outlet, the mold cavity is between the inlet and the outlet, and the mold side has a second inlet leading to the mold cavity , the mold cavity has an enlarged structure behind the junction of the second inlet. In the prior art, there is no glue coating device behind the mold body, and the central material entering for the first time and the material entering from the second inlet often appear. The phenomenon of delamination of the material (outer surface material) affects the quality of the product

Method used

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  • Gumming co-extrusion mold

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Embodiment Construction

[0009] The present invention will be further described below in conjunction with accompanying drawing.

[0010] Such as figure 1 As shown, the glue-coating co-extrusion mold includes a mold body 1, the mold body has an inlet 2 at the front and an outlet 3 at the back, a mold cavity 8 is formed between the inlet 2 and the outlet 3, and there is a second inlet 4 on the side of the mold Leading to the mold cavity 8, the mold cavity has an enlarged structure 5 behind the junction of the second inlet, and is characterized in that: the mold cavity has a ring surrounding the mold cavity wall in front of the junction of the second inlet The groove 6 on the top, the groove communicates with the outside of the mold body and has a glue inlet channel 9.

[0011] When in use, the glue inlet channel is connected to the glue hose, so that a layer of glue can be applied between the products formed by the raw materials entering twice, and this layer of glue can be bonded to it, which has the ...

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Abstract

The invention relates to the technical field of plastics production, and particularly relates to a gumming co-extrusion mold. The gumming co-extrusion mold comprises a mold body, wherein the mold body is provided with an inlet formed in the front surface and an outlet formed in the rear surface, a mold cavity is formed between the inlet and the outlet, a second inlet leading to the mold cavity is also formed in the side surface of the mold, and the mold cavity is provided with an increased structure on the junction with the second inlet. The gumming co-extrusion mold is characterized in that a circle of groove surrounding the wall of the mold cavity is formed in the front surface of the junction of the second inlet, the groove is communicated with a feed passage outside the mold body, a storage cushion is arranged in the groove, the storage cushion is internally hollow, and the outer side of the storage cushion is made of sponge, foam or clothe structures, so that the gumming co-extrusion mold has advantages that the delamination phenomenon is reduced, a center material entering at the first time can be better combined with the external material, and the product quality can be improved.

Description

technical field [0001] The invention relates to the technical field of plastic production, in particular to a mold for producing plastic profiles. Background technique [0002] The co-extrusion mold for plastic profiles includes a mold body, the mold body has a mold cavity, the mold body has a front inlet and a rear outlet, the mold cavity is between the inlet and the outlet, and the mold side has a second inlet leading to the mold cavity , the mold cavity has an enlarged structure behind the junction of the second inlet. In the prior art, there is no glue coating device behind the mold body, and the central material entering for the first time and the material entering from the second inlet often appear. The phenomenon of delamination of the material (outer surface material) affects the quality of the product. Contents of the invention [0003] The purpose of the present invention is to address the above shortcomings, to provide a glue-coated co-extrusion die that reduce...

Claims

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Application Information

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IPC IPC(8): B29C47/12B29C48/30
CPCB29C48/22B29C48/25B29C48/30B29C48/304
Inventor 盛占峰
Owner HENAN SHENGSHI PLASTICS IND