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Method of locating the head of the plastic extruding forming mould and the mould head

A technology of extrusion molding and positioning method, which is applied to the die head positioning and die head field of plastic extrusion molding moulds. Improved accuracy and reliability, reduced positioning accuracy drop, and simple processing

Inactive Publication Date: 2007-09-19
TONGLING TRINITY TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The positioning accuracy of this positioning method depends on the cooperation between the positioning pin and the positioning hole. The machining accuracy of the positioning hole and the positioning pin will directly affect the positioning accuracy. Therefore, the positioning of the die head realized by this positioning method has low positioning accuracy and poor reliability.
Especially during installation and debugging, the die head plate needs to be disassembled frequently, which will cause a large amount of wear on the positioning pins and positioning holes, which will lead to a further decline in positioning accuracy, and this decline in positioning accuracy is difficult to recover. Repositioning can only be achieved by reprocessing the positioning holes and using positioning pins of other specifications
Therefore, the disadvantages of the die head positioned by the traditional positioning method of positioning holes and positioning pins are low positioning accuracy, poor reliability and high cost.

Method used

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  • Method of locating the head of the plastic extruding forming mould and the mould head

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Embodiment Construction

[0014] The present invention is a die head of a plastic extrusion molding die, which is composed of several die head plates, as shown in Figure 1, which is a schematic diagram of the positioning of any two adjacent die head plates in the present invention. Positioning holes 3 and 11 are respectively provided at the corresponding positions of the two adjacent plates 1 and 15 . A positioning pin 4 and a positioning pin sleeve 13 are respectively housed in the positioning holes 3 and 11. One end of the locating pin 4 has a pin post that is compatible with the through hole 12 in the locating pin sleeve 13. same diameter. The outer circular surface of locating pin 4 and locating pin sleeve 13 is suitable with the locating hole 3,11 of adjacent plate 1 and plate 15 respectively, and for ease of installation, the diameter of locating hole 3 and 11 is identical.

[0015] In order to make the locating pin 4 and the locating pin sleeve 13 realize the static fit with the respective pla...

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Abstract

The invention relates to a die head positioning method and die head on a plastic extrusion molding die. A locating pin (4) and locating pin sleeve (13) assorted with location holes (3,11) are respectively embeded into the location holes (3,11) correponding to adjacent two plates (1,15). The two plates (1,15) are located by one end of locating pin (4)embedding into locating pin sleeve(13). Multiple plates are located together to form die head. The plate location accuracy of the said die head is high, and the cost is low, and the reliability is high.

Description

technical field [0001] The invention relates to a positioning method and a die head of a plastic extrusion molding die, specifically a positioning method between die plate and plate and a die head positioned by the positioning method. Background technique [0002] At present, on the die head of the continuous plastic extrusion profile mold, the method used for positioning between the die head plate and the plate is to cooperate with the positioning pin and the positioning hole to realize the positioning, that is, to set the two adjacent die head plates that need to be positioned. Two positioning holes, positioning pins are loaded in the positioning holes, and the positioning is realized by the cooperation of the positioning holes and the positioning pins. The positioning accuracy of this positioning method depends on the cooperation between the positioning pin and the positioning hole. The machining accuracy of the positioning hole and the positioning pin will directly affec...

Claims

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Application Information

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IPC IPC(8): B29C47/12B29C47/08B29C48/30
Inventor 徐勋江田斌张家权
Owner TONGLING TRINITY TECH
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