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Automatic extrusion device

An automatic, feeding roller technology, applied in the field of plastic manufacturing, can solve the difficult problem of tension control of plastic film

Inactive Publication Date: 2016-10-12
重庆敏驰塑胶有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an automatic extruding device to solve the problem that it is difficult to control the tension of the plastic film within a relatively constant range when the film is rolled up

Method used

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  • Automatic extrusion device
  • Automatic extrusion device

Examples

Experimental program
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Effect test

Embodiment 1

[0024] like figure 1 As shown, the automatic extrusion device includes a bracket, a feeding roller, a flattening roller and an output roller, as well as a drive motor that drives the feeding roller and the output roller to rotate; the driving motor is connected with the reducer, and the reducer is connected to the feeding roller and the output roller respectively through the chain. The rolls are connected, and the rotation speed of the output roll is 2% higher than that of the feed roll; since the outer diameter of the film roll will gradually increase during the process of winding the film, the winding speed of the film will gradually become faster, and the rotation speed of the output roll will gradually increase. If the rotation speed is larger than that of the feeding roller, it can prevent the feeding speed from being too slow and increasing the film tension.

[0025] like figure 1 , figure 2 As shown, the feeding rollers are located between the flattening rollers, and...

Embodiment 2

[0030] like Figure 4 As shown, the difference between the second embodiment and the first embodiment is only that the liquid inlet hole that communicates with the cavity is not provided in the second embodiment, that is, the cavity cannot be filled with liquid, but the rotating pins at both ends of the tension roller The counterweight block is threadedly connected to the outgoing end of the rotating pin, so that the counterweight block can be replaced.

[0031] According to the thickness and material of the film, when the film needs to have different tensioning force, by replacing different weights, the tensioning roller can have different quality, and the tensioning force of the film is also changed accordingly.

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Abstract

The invention discloses an automatic material extruding device, which relates to the field of plastic manufacturing; the support of the automatic material extruding device, a feeding roller, a flattening roller and an output roller, and a drive motor for driving the rotation of the feeding roller and the output roller; the driving motor and the feeding roller and the output roller The rollers are driven by a chain, the feeding roller is located between the flattening rollers, and both the feeding roller and the output roller are located above the flattening rollers, and the output roller is set on either side of the left and right sides of the bracket; a set of opposite ear plates are fixed on the bracket , the feeding roller and the output roller are rotatably connected to the ear plate, and the ear plate is provided with a strip hole, and the two ends of the flattening roller are provided with a rotating pin that matches the strip hole, and the rotating pin is inserted into the corresponding strip hole. And the flattening roller can slide up and down relative to the strip hole. This device sets the tension roller in a floating state, and tensions the film by the gravity of the tension roller itself, so that the force on the film is always in a relatively constant state, so that the tension of the film is kept constant.

Description

technical field [0001] The invention relates to the field of plastic manufacturing, in particular to an automatic extrusion device. Background technique [0002] Plastic films are mainly made of polyvinyl chloride, polyethylene, polypropylene, polystyrene, and other resins, used for packaging, and used as coating layers. Plastic packaging and plastic packaging products account for an increasing share of the market, especially composite plastic flexible packaging, which has been widely used in food, medicine, chemical and other fields, among which food packaging accounts for the largest proportion, such as beverage packaging , quick-frozen food packaging, retort food packaging, fast food packaging, etc. These products have brought great convenience to people's lives. In the production process of plastic film, the plastic film after calendering needs to be rolled by an automatic extrusion device. When the plastic film is rolled, in order to prevent the film from wrinkling, it...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65H23/16B65H23/34
CPCB65H23/16B65H23/34B65H2301/51256B65H2404/117
Inventor 杨治焱
Owner 重庆敏驰塑胶有限公司
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