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Casting film production equipment

A kind of production equipment and cast film technology, applied in the field of cast film production equipment, can solve the problems of bridge between powder material and blanking material, low production efficiency, unreasonable overall design and arrangement of cast film production line, etc., and achieve high precision tension Control and ensure the effect of tension control

Active Publication Date: 2016-06-01
GUANGDONG LIANSU MACHINERY MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a cast film production equipment in view of the current state of the art, to solve the unreasonable overall design arrangement and low production efficiency of the cast film production line in my country, and to solve the problems in the extrusion system of the cast film production line. Due to the mixing of powder and new materials, the mixing port is easy to be blocked, so that there is a problem of bridging between the powder and the blank.

Method used

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Examples

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Comparison scheme
Effect test

Embodiment 1

[0030] Such as figure 1 , figure 2 and image 3 As shown, a casting film production equipment, the frame 14 is provided with an extrusion system 15, and the casting system 16, a thickness measurement system 17, a traction pendulum system 18, a retracting system 15 are sequentially provided below the extrusion system 15. Coil system 19 and film unloading device 20, the extrusion system 15 includes a feeding device 21, including a first hopper 22 and a second hopper 24 that are vertically arranged in sequence, and the discharge port of the first hopper 22 is located at the second In the second hopper 24, the first hopper 22 is provided with a screw, and the screw includes a screw stirring section 23 for stirring the powder and a screw conveying section 25 for delivering the powder to the extruder. A cyclone separator 28 is connected to the inlet of a hopper. One side of the second hopper 24 is connected with the new material feeding pipe 26; the screw rod is driven to rotate...

Embodiment 2

[0040] Embodiment two is different from embodiment one except that the edge material recovery system is different, and other are basically the same, as Figure 4 As shown, the scrap recovery system includes a scraper pipeline 1, a suction device connected to the scraper pipeline and a crusher 5 connected to the suction device, and the suction device includes a negative pressure suction box 2, Exhaust box 3 and negative pressure suction fan 4, the suction port of described negative pressure suction fan 4 is connected with exhaust box 3, and the air outlet of described negative pressure suction fan 4 is connected with negative pressure suction box 2, The negative pressure suction box 2 is sequentially connected to the exhaust box 3 and the crusher 5 through the discharge pipe 12 , and the negative pressure suction box 2 is also connected to the edge material pipeline 1 .

[0041] There are two discharge pipes, namely the first discharge pipe 12 and the second discharge pipe 14, ...

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Abstract

The invention discloses casting film production equipment. The casting film production equipment comprises a rack; the rack is provided with an extrusion system; a casting system, a thickness measurement system, a traction oscillating bar system, a rolling system and a film discharging device are sequentially arranged below the extrusion system; the extrusion system comprises a feeding device; the feeding device comprises a first hopper and a second hopper which are vertically arranged in sequence; a discharging opening of the first hopper is formed in the second hopper; a feeding opening of the first hopper is connected with a cyclone separator; the first hopper is internally provided with a threaded rod; the threaded rod comprises a threaded rod stirring segment used for stirring powder and a threaded rod conveying segment used for conveying the powder into an extruder; and one side of the second hopper communicates with a fresh material discharging pipe. According to the casting film production equipment, cooperation among all systems of a casting film production line is reasonably arranged; stability of extrusion pressure of the extrusion system in the casting film production line is achieved; products of the casting film production line are produced stably; leftover materials are efficiently recycled; little energy is consumed; and production cost is reduced.

Description

technical field [0001] The present invention relates to the technical field of film processing equipment, and more specifically, to a casting film production equipment. Background technique [0002] Cast film is a kind of non-stretched, non-directional flat extrusion film produced by melt casting and quenching, which is divided into two types: simple casting and multi-layer co-extrusion casting. my country's cast film production started late and has a relatively weak foundation, but it has developed rapidly. After nearly 20 years of continuous development and growth, the cast film processing industry has a considerable production capacity and production level in my country's packaging industry. industry. [0003] In the field of casting machines, the degree of automation of the cast film production line in my country and the stability of the production line need to be further improved. The unreasonable arrangement of the entire production line leads to low production efficie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C47/10B29C47/08B29C47/92B29C41/24B29C41/34B29D7/01B29C48/92
Inventor 蔡炳然甄焕财
Owner GUANGDONG LIANSU MACHINERY MFG
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