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Injection mechanism for injection molding machine

A technology of injection molding machine and barrel, applied in the field of injection molding mechanism for injection molding machine, can solve the problems of inability to filter out, material waste, wear and the like, and achieve the effect of saving energy

Active Publication Date: 2019-06-18
NINGBO XINKETUO MACHINERY MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The injection molding machine mainly includes parts such as feeding mechanism, barrel, screw and nozzle; the existing feeding mechanism is mostly a single feeding funnel, which cannot better filter out the iron chips in the plastic raw materials; now Some barrels will lose a lot of heat during the production process, resulting in a waste of energy; the existing screw needs to move as a whole during the injection process, resulting in high energy consumption and greater wear; the existing nozzle There will be salivation when the injection is completed, resulting in contamination of the melt and waste of materials

Method used

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  • Injection mechanism for injection molding machine
  • Injection mechanism for injection molding machine
  • Injection mechanism for injection molding machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] This embodiment provides a screw for an injection molding machine, which can be preferably used in various existing injection molding machines.

[0026] to combine figure 1 As shown, a screw for an injection molding machine in this embodiment includes a screw body 100 , the screw body 100 includes a screw body 110 , the outer side of the screw body 110 is provided with a flight 111 , and the inside of the screw body 110 is provided with a hydraulic channel 112 penetrating in the axial direction; The left end of the screw body 110 is provided with a screw head 120, and the screw head 120 includes a mounting seat 121, a screw head seat 122, a screw head body 123 and a check ring 124; The hydraulic channel 112 is coaxially provided with an installation channel 121a, and the installation channel 121a expands to the outer periphery near the screw head main body 123 to form a spring cavity 121b; There is a screw head connecting rod 122b, and the screw head connecting rod 122...

Embodiment 2

[0037] This embodiment provides a nozzle structure for an injection molding machine, which can be preferably applied to various existing injection molding machines.

[0038] Such as image 3 As shown, a nozzle structure for an injection molding machine in this embodiment includes a nozzle body 300 .

[0039] Wherein, the nozzle body 300 includes a nozzle seat 310, the left side of the nozzle seat 310 is connected with a hollow connecting sleeve 320, and the left side of the hollow connecting sleeve 320 is connected with a nozzle head 330; the nozzle head 330 includes a nozzle head mounting seat 331 and a nozzle cover 332, the nozzle head mounting seat 331 is connected with the hollow connecting sleeve 320, and the nozzle cover 332 is located at the nozzle head mounting seat 331;

[0040] The nozzle seat 310 and the middle part of the nozzle head mounting seat 331 are coaxially provided with an injection channel 311 and a sliding channel 331a respectively, and the two ends of ...

Embodiment 3

[0047] This embodiment provides a feeding device for an injection molding machine, which can be preferably used in various existing injection molding machines.

[0048] to combine Figure 4 As shown, the charging device in this embodiment includes a charging device body 400 .

[0049] Wherein, the feeding device body 400 includes a feed hopper 410, the opening above the feed hopper 410 is a feeding port, and the opening below the feed hopper 410 is a discharge port; the side wall of the feed hopper 410 is provided with a plurality of screen holes 411, and The outer side of the bucket 410 is provided with a protective cover 420, and an airtight cavity is formed between the protective cover 420 and the feeding hopper 410; the inner side of the protective cover 420 is provided with a third excitation winding 430, and the inner side of the third excitation winding 430 is provided with a plastic layer 440, the plastic An independent dust collection chamber 450 is formed between th...

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PUM

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Abstract

The invention relates to the technical field of injection molding machines, in particular to an injection molding mechanism used for an injection molding machine. The injection molding mechanism comprises a material barrel shell. A smelting cavity is formed in the material barrel shell. A material barrel feed port and an exhaust port are formed in the position of the side wall of the material barrel shell. A nozzle structure is arranged the position of the end, opposite to the feed port, of the material barrel shell. A heating device is arranged outside the material barrel shell. A heat recovery pipeline is wound around the outer side of the heating device. The heat recovery pipeline and the exhaust port are connected with a high-temperature medium inlet of a heat exchanger through a first valve and a second valve correspondingly at the same time. A first pump body is arranged at the position of the high-temperature medium outlet of the heat exchanger. The nozzle structure comprises a nozzle body. The nozzle body comprises a nozzle base. The left side of the nozzle base is connected with a hollow connection sleeve. The left side of the hollow connection sleeve is connected with a nozzle head. By means of the injection molding mechanism, recovery of waste heat and injection of melt can be better achieved.

Description

technical field [0001] The invention relates to the technical field of injection molding machines, in particular to an injection molding mechanism for an injection molding machine. Background technique [0002] Injection molding machine, also known as injection molding machine or injection machine, is the main molding equipment for making thermoplastic or thermosetting materials into various shapes of plastic products using plastic molding molds. With the acceleration of modernization, injection molding machines have been widely used in various sectors of the national economy such as construction, packaging, electrical appliances, agriculture, automobiles, transportation, light industry, petrochemical industry, machinery industry, national defense industry, and various fields of people's lives. , showing a very important role. The injection molding machine mainly includes parts such as feeding mechanism, barrel, screw and nozzle; the existing feeding mechanism is mostly a s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C45/74B29C45/20B29C45/23B29C45/63B29C45/17
CPCB29C45/17B29C45/20B29C45/23B29C45/63B29C45/74B29C2045/1784Y02P70/10
Inventor 周信国
Owner NINGBO XINKETUO MACHINERY MFG CO LTD