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Gas pipe wall color line compositing device

A composite device and gas pipe technology, which is applied in the direction of tubular objects, other household appliances, household appliances, etc., can solve the problems of gas pipe production efficiency reduction, manpower and material resources consumption, etc., to avoid irregular mixing, reduce consumption, and reduce cost effect

Active Publication Date: 2017-01-18
SICHUAN DUOLIAN IND LIMITED
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the prior art, due to the needs of the process, the nozzle and the feeding end of the molding machine are connected as a whole. Once the number of color lines on the pipeline increases or decreases, the feeding end of the molding machine and the nozzle need to be replaced together. In order to meet the actual production needs, but remove the use cost of adding feed ends with different numbers of nozzles, replacing or maintaining different types of feed ends will consume a lot of manpower and material resources, which will reduce the production efficiency of gas pipes

Method used

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  • Gas pipe wall color line compositing device
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Examples

Experimental program
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Embodiment 1

[0024] Such as Figure 1 to Figure 2 As shown, this embodiment includes a molding die 1 and a mandrel 4 matched with the molding die 1, and also includes a ring body 2 arranged in the molding die 1, and the inner wall of the ring body 2 is formed between the outer wall of the mandrel 4. An annular flow channel 3 has an annular groove 6 on the outer peripheral wall of the ring body 2, and has a plurality of colorant outlet holes 5 communicating with the annular groove 6 on the inner peripheral wall of the ring body 2, so that The forming die 1 is provided with a color material inlet hole 7 communicated with the annular groove 6; the color material outlet hole 5 includes a guide section 51, a vertical section 52 communicated with the annular groove 6, and the guide section 51 is connected with the flow channel 3, the guide section 51 is inclined along the flow direction of the material in the flow channel 3, and a shaping groove 54 communicating with the guide section 51 is prov...

Embodiment 2

[0027] Such as figure 2 As shown, in this embodiment, a transition section 53 is provided at the junction of the guide section 51 and the vertical section 52, and the transition section 53 is reversely bent along the material flow direction. Due to the certain angle formed between the vertical section 52 and the guide section 51, when the color material in the molten state flows in the color material outlet hole 5, there will be amplitude fluctuations, for example, after the gas pipe material enters the flow channel 3 , the color material is sprayed in the area of ​​the flow channel 3 where the gas pipe material is not completely filled. At this time, not only the consumption of color material is greatly increased, but also the compounding of the color material and the gas pipe material will be confused, so that the color line cannot be achieved. The function of marking; for this type of problem, the inventor sets a transition section 53 at the junction of the vertical sectio...

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Abstract

The invention discloses a gas pipe wall color line compositing device. The device comprises a forming mold and a mandrel matched with the forming mold. The device further comprises an annular body arranged in the forming mold. An annular flow channel is formed between the inner wall of the annular body and the outer wall of the mandrel. An annular groove is formed in the outer circumferential wall of the annular body. A plurality of pigment outlets which communicate with the annular groove are formed in the inner circumferential wall of the annular body. A pigment inlet which communicates with the annular groove is formed in the forming mold. A color line applying structure with the forming mold being movably matched with the annular body is designed by an inventor, the multiple pigment outlets are formed in a color ring, during forming processing of gas pipes with different color line numbers, the annular body just needs to be replaced so that the effect that the number of the pigment outlets and the number of the number of color lines of cables to be formed are same can be ensured, a whole feeding part of a forming machine is prevented from being replaced, and the processing technique of the cables is optimized; and meanwhile, the applying cost of the gas pipe color lines is greatly lowered.

Description

technical field [0001] The invention relates to a pipe fitting forming equipment, in particular to a gas pipe wall color line compounding device. Background technique [0002] PE gas pipe At present, in China's municipal pipe market, plastic pipes are developing steadily. PE gas pipes, PP-R pipes, and UPVC pipes all occupy a place. Among them, the strong development momentum of PE gas pipes is the most eye-catching. PE gas pipes are used in a wide range of fields. Among them, water supply pipes and gas pipes are the two largest application markets. PE resin is formed by the polymerization of monomer ethylene. Due to different polymerization reaction conditions such as pressure and temperature during polymerization, resins with different densities can be obtained, so there are high-density polyethylene, medium-density polyethylene and low-density polyethylene. Vinyl. [0003] The purpose of the multiple color lines set on the outer wall of the PE gas pipe along the axial d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C47/04B29C47/20B29L23/00B29C48/32
CPCB29C48/17B29C48/30B29C48/338B29L2023/22
Inventor 熊其军梁厚德马荣驰姜涛叶忠会冯权和
Owner SICHUAN DUOLIAN IND LIMITED