Injection molding device for thermoplastic polyurethanes (TPU) barrel materials

A thermoplastic polyurethane and elastic technology, which is applied in the field of thermoplastic polyurethane elastomer barrel material injection molding device, can solve the problems that barrel materials are prone to flow lines, bubbles, and cannot be formed by pouring, so as to achieve no flow marks, improve accuracy and life, and eliminate air effect

Pending Publication Date: 2019-10-15
苏州美福瑞新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Thermoplastic polyurethane elastomer TPU barrels cannot be molded by pouring, and barrels with large thickness and height are prone to flow lines and air bubbles, which are fatal defects for seals, and the appearance is invisible

Method used

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  • Injection molding device for thermoplastic polyurethanes (TPU) barrel materials
  • Injection molding device for thermoplastic polyurethanes (TPU) barrel materials

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Experimental program
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Embodiment Construction

[0026] The purpose of the present invention can be achieved through the following technical solutions:

[0027] A thermoplastic polyurethane elastomer bucket material injection molding device, see Figure 1-2 , including base 1, dehumidification dryer 2, drying pipe 3, quantitative drying funnel 4, multi-edge variable pressure screw 5, heat preservation and exhaust device 6, exhaust port 7, nozzle 8, nozzle 9, solenoid valve 10, cooling Mouth 11, mold 12, vacuum pump 13, nozzle vacuum tube 14, heat preservation and exhaust vacuum tube 15, shockproof pad 16, rear ejector rod 17;

[0028] The base 1 is provided with a multi-edge variable pressure screw 5, the right end of the multi-edge variable pressure screw 5 is provided with a quantitative drying funnel 4, and the multi-edge variable pressure screw 5 is provided with an exhaust device 6; the left end of the multi-edge variable pressure screw 5 is provided with There is a nozzle 8, and the nozzle 8 cooperates with the nozzle...

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Abstract

The invention discloses an injection molding device for thermoplastic polyurethanes (TPU) barrel materials. The injection molding device comprises a base, a dehumidification drying machine, a drying pipe, a quantitative drying funnel, a multi-edge variable pressure screw, a heat preservation exhaust device, an exhaust port, a nozzle, an ingate sleeve, an electromagnetic valve, a cooling port, a mold, a vacuum pump, an ingate sleeve vacuum pipe, a heat preservation exhaust vacuum pipe, anti-vibration pads and a rear ejector rod, wherein the multi-edge variable pressure screw is arranged on thebase, the quantitative drying funnel is arranged at the right end of the multi-edge variable pressure screw, and the multi-edge variable pressure screw is provided with the exhaust device (6); the nozzle is arranged at the left end of the multi-edge variable pressure screw, the nozzle is matched with the ingate sleeve, and the nozzle abuts against the ingate sleeve; and the ingate sleeve is matched with the mold, and the left side of the mold is connected with the rear ejector rod. The injection molding device has the characteristics of thorough exhaust, no flow mark, pore or burning, recyclable processing, accuracy promotion and service life prolonging.

Description

technical field [0001] The invention relates to a thermoplastic polyurethane elastomer barrel material injection molding device, in particular to a thermoplastic polyurethane elastomer barrel material injection molding device with complete exhaust, no flow marks, pores, and scorching, recyclable processing, and improved precision and service life. Background technique [0002] Thermoplastic polyurethane elastomer TPU has excellent high tensile strength, high resilience, toughness and aging resistance, and is a mature environmental protection material. At present, thermoplastic polyurethane elastomer TPU has been widely used in medical and health care, electronic appliances, industry and sports, etc. It has high strength, good toughness, wear resistance, cold resistance, oil resistance, water resistance, aging resistance, At the same time, it has many excellent functions such as high waterproof and moisture permeability, windproof, cold proof, antibacterial, mildew proof, war...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/47B29C45/63B29C45/40B29B13/06
CPCB29C45/0025B29C45/4005B29C45/47B29C45/63B29C2045/0096
Inventor 俞洋瞿建恩齐涛
Owner 苏州美福瑞新材料科技有限公司
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