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Plastic fused mass color-mixture device of plastic pipe extruder

A technology for plastic pipes and extruders, which is applied in the direction of tubular objects, other household appliances, household appliances, etc., and can solve the problems of air marks and shadows on the product surface, underutilized colorants, and reduced colorant utilization efficiency. Achieve the effect of solving obvious air marks and shadow problems, solving uneven texture, and increasing utilization efficiency

Active Publication Date: 2010-12-08
NINGBO FANGLI GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such extruded plastic pipes often have uneven appearance and color due to insufficient mixing in the plastic melt stage, and uneven melt flow leads to uneven texture of the pipe material, resulting in obvious air marks and shadows on the surface of the product. At the same time, the colorant has not been fully utilized, which greatly reduces the utilization efficiency of the colorant

Method used

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  • Plastic fused mass color-mixture device of plastic pipe extruder
  • Plastic fused mass color-mixture device of plastic pipe extruder
  • Plastic fused mass color-mixture device of plastic pipe extruder

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0017] Such as figure 1 , figure 2 , image 3 As shown, the plastic melt color mixing device of the plastic pipe extruder of the present invention is characterized in that it includes a transition coupling body 3 , a front transition sleeve 6 , a rear transition sleeve 2 , a heating ring 5 and at least two color mixing components 4 . The number of color mixing components in this embodiment is eight. The heating ring 5 is arranged on the outer circumferential surface of the transition body 3 to heat the plastic melt flowing through the color mixing assembly 4, and the color mixing assembly 4 is sequentially arranged in the inner cavity of the transition body 3 with both ends respectively connected to the front The transition sleeve 6 and the rear transition sleeve 2 offset each other, and specifically adopt the following connection: the conn...

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Abstract

The invention discloses a plastic melt color blending device for a plastic pipe extruder, which comprises a transitional connector (3), a front transitional sleeve (6), a rear transitional sleeve (2), a heating ring (5) and at least two color blending components (4), wherein the front transitional sleeve (6) and the rear transitional sleeve (2) are arranged at two ends of a cavity of the transitional connector (3); the color blending components (4) are sequentially arranged in the cavity of the transitional connector (3) and the two ends of the color blending components (4) are pressed against the front transitional sleeve (6) and the rear transitional sleeve (2) respectively; each color blending component (4) comprises annular substrates (4.1) and mutually and peripherally positioning devices between the annular substrates (4.1); and the insides of the annular substrates (4.1) are provided with a fence (4.2) consisting of grid plates (4.2.1) and fence connecting plates (4.2.2). The device makes the surface of plastic pipes uniform in color and free from gas marks and shadows and increases the utilization rate of a colorant.

Description

technical field [0001] The invention relates to the technical field of plastic pipe extruders, in particular to a plastic melt color mixing device of a plastic pipe extruder. Background technique [0002] At present, the commonly used plastic pipe extrusion method is generally that after the plastic melt is extruded from the plastic extruder, it passes through a head joint and directly enters the plastic pipe mold. The head connecting body through which the plastic melt flows is the connecting part between the mold and the extruder. One end flange is installed on the extruder, and the other end flange is closely connected with the mold. The flow channel of the connecting body of the head is a smooth arc transition flow channel, which realizes a smooth and uniform transition between the flow channel at the exit of the extruder and the flow channel at the entrance of the mold. There are no components installed in the flow channel, only the flow channel cavity, so that the pla...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C47/58B29L23/00B29C47/36B29C48/67B29C48/50
CPCB29C47/64B29C47/0813B29C48/2552B29C48/67
Inventor 彭林
Owner NINGBO FANGLI GRP
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