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Mechanism for strengthening local wall thickness of blow molding product and application method of mechanism

A blow molding product, local technology, applied in blow molding products to strengthen the local wall thickness mechanism and its application field, can solve the problem of product cost increase

Active Publication Date: 2019-04-19
利宾来塑胶工业(昆山)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Unnecessarily increase the cost of the product

Method used

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  • Mechanism for strengthening local wall thickness of blow molding product and application method of mechanism

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Embodiment one, see figure 1 , a local wall thickness reinforcement mechanism for blow molding products, characterized in that it includes a blow mold 1 and a power cylinder, the blow mold 1 includes a pull-out mechanism 2, and the pull-out mechanism 2 is connected to the power cylinder.

[0016] As a further improvement of the above solution, the head of the drawing mechanism 2 is provided with a boss 3 , and the blow mold 1 is provided with a drawing channel 4 cooperating with the drawing mechanism 2 . This setting can effectively limit the range of motion of the drawing mechanism 2 and avoid excessive delivery.

[0017] As a further improvement of the above solution, the blow mold 1 is provided with an air hole 5 leading to the extraction channel 4 . This arrangement facilitates the movement of the extraction mechanism 2 .

[0018] As a further improvement of the above solution, the drawing mechanism 2 is a core-pulling needle.

Embodiment 2

[0019] Embodiment two, see figure 1 , a method for using a mechanism for strengthening local wall thickness of blow molding products, characterized in that it includes the following steps: a. mold closing, when the mold is closed, the ingredients contact the extraction mechanism 2, and the extraction mechanism 2 is sent out to take out the blank; b. Forming, during forming, the pull-out mechanism 2 pushes back, and pushes back the blank material taken out in a. When closing the mold, when the blow molding blank reaches a certain position, the core-pulling pin contacts the blank, the stickiness of the blank itself, when the blank sticks to the top surface of the core-pulling pin, as the mold closing progresses, the core-pulling pin pushes back , Drive the adhered material back to the mold together, thus increasing the local wall thickness of the product during molding.

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Abstract

The invention provides a mechanism for strengthening the local wall thickness of a blow molding product and an application method of the mechanism. The mechanism for strengthening the local wall thickness of the blow molding product is characterized in that a blow molding die and a power oil cylinder are included, the blow molding die comprises an extraction mechanism, and the extraction mechanismis connected with the power oil cylinder. During blow molding product forming, the method of material pulling in advance is adopted, part of sizing materials are pulled to the die groove position inadvance, and accordingly the product wall thickness at the product boss position is increased under the situation that the total thickness is not changed.

Description

technical field [0001] The invention relates to a blow molding mold and a use method thereof, in particular to a mechanism for reinforcing local wall thickness of a blow molding product and a use method thereof. Background technique [0002] Also known as hollow blow molding, a rapidly developing plastic processing method. The blow molding process began to be used to produce low-density polyethylene vials during World War II. In the late 1950s, with the birth of high-density polyethylene and the development of blow molding machines, blow molding technology has been widely used. The volume of the hollow container can reach thousands of liters, and some production has adopted computer control. Plastics suitable for blow molding include polyethylene, polyvinyl chloride, polypropylene, polyester, etc., and the resulting hollow containers are widely used as industrial packaging containers. According to the parison production method, blow molding can be divided into extrusion b...

Claims

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Application Information

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IPC IPC(8): B29C49/48
CPCB29C49/48
Inventor 施维昇张国孙
Owner 利宾来塑胶工业(昆山)有限公司