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A plastic extrusion molding machine with cleaning function

A molding machine and material cleaning technology, which is applied in the field of plastic injection molding machines, achieves the effect of solving difficult cleaning, saving cleaning costs, and compact structure

Active Publication Date: 2016-08-24
TEDERIC MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The barrel and the injection plunger are clearance fit before injection

Method used

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  • A plastic extrusion molding machine with cleaning function
  • A plastic extrusion molding machine with cleaning function
  • A plastic extrusion molding machine with cleaning function

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0025] like figure 1 , figure 2 and image 3 A plastic extrusion molding machine with a material cleaning function is shown, including an injection assembly and a plasticizing assembly, the injection assembly and the plasticizing assembly are connected through a connecting rod 2, and the plasticizing assembly includes a plasticizing screw 1-2 and a plasticizing material Cartridge 1-1, the injection assembly includes a nozzle 4, a pre-injection barrel 6, an injection barrel 9, an injection plunger 7 and a plunger rod 10, and the inner cavity of the pre-injection barrel 6 and the injection barrel constitutes a storage chamber 8, The nozzle 4 is connected to the left end of the pre-injection cylinder through the nozzle connecting rod 5, and the rotary valve 3 is set in the pre-injection cylinder to control the molten material entering the storage chamber and the molten material entering the nozzle from the storage chamber.

[0026] like Figure 5 , Image 6 and Figure 7 As...

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Abstract

The invention relates to a plastic extruding and injection molding machine with a material cleaning function. The plastic extruding and injection molding machine comprises an injection assembly and a plastifying assembly, wherein the injection assembly comprises a nozzle, an injection front charging barrel, an injection charging barrel, an injection plunger piston and a plunger piston rod; a main body of the injection plunger piston is a cylinder and is provided with a circular-truncated-cone-shaped injection head; a material cleaning step is arranged between the injection head and the main body; the material cleaning step is composed of a second cylinder and a second circular truncated cone which are connected; the other end of the second cylinder is connected with the second circular truncated cone bottom of the injection head; the other end of the second circular truncated cone is connected with the main body; and the injection front charging barrel is provided with an inner cavity wall surface which is matched with the outlines of the injection head of the injection plunger piston and the material cleaning step. The injection assembly of the plastic extruding and injection molding machine has the material cleaning function; and the washing time and washing raw materials can be saved and the washing cost is greatly saved so that the difficulty that the plastic extruding and injection molding machine in the industry is difficult to wash is overcome.

Description

technical field [0001] The invention relates to a plastic molding machine assembly, in particular to a plastic extrusion molding machine with a material cleaning function. Background technique [0002] The plastic extrusion molding machine is a new type of plastic injection molding machine. The traditional plastic injection molding machine has only one screw, which not only plays the role of material storage, but also plays the role of injection. Its disadvantage is that the one-time injection volume cannot be too large, and when the screw is retreating, its effective thread is reduced and the plasticizing quality is affected. At present, the domestically produced single-screw reciprocating plastic injection molding machine with a clamping force of 40,000KN has a one-time theoretical injection volume of 62,000cm3. The TRX-J plastic injection molding machine manufactured by Terry Machinery Co., Ltd. has a clamping force of 40,000KN, and its one-time theoretical injection vol...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C45/54B29C45/58
CPCB29C45/544B29C45/586B29C45/62
Inventor 周宏伟罗居红李立峰高镭卢运洁戴金富
Owner TEDERIC MACHINERY
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