CN214983027U - Glass fiber feeding mechanism of screw extruder - Google Patents

Abstract

The utility model discloses a fine feed mechanism of glass of screw extruder, include that the fine finished product of glass that sets up a plurality of and stack in one side of its organism of screw extruder is rolled up, and the fine finished product of every glass is rolled up and is exposed fine end respectively, and the end that the fine finished product of glass of upper and lower adjacent was rolled up passes through nylon connector fixed connection. The utility model is aimed at the high glass fiber product, the glass fiber on the glass fiber roll is preheated before being mixed, thus meeting the requirements of energy saving and consumption reduction; the high temperature of the material strips extruded by the die head is fully utilized, the glass fibers can be effectively preheated before the glass fibers are fed, the heat consumption is reduced, the heat exchange can be carried out on the material strips extruded by the die head, the material strips extruded by the die head are cooled to a certain degree, two purposes are achieved at one stroke, and the concept is ingenious.

Description

Glass fiber feeding mechanism of screw extruder

Technical Field

The utility model relates to a fine feed mechanism of glass of screw extruder.

Background

In the plastic extrusion molding equipment, the plastic extruder is generally called a main machine, and the subsequent equipment matched with the plastic extruder is called an auxiliary machine. After the development of the plastic extruder for more than 100 years, multiple types of double screws, multiple screws and even no screws and the like are derived from the original single screw. The plastic extruder (main machine) can be matched with various plastic forming auxiliary machines for pipe material, film, bar material, monofilament, flat filament, packing belt, extruding net, plate (sheet) material, profiled bar, granulating and cable covering, etc. to form various plastic extrusion forming production lines to produce various plastic products. Therefore, the plastic extrusion molding machine is one of the machines widely used in the plastic processing industry at present or in the future. With the further development of the technology, plastic materials with overhigh strength and high toughness are needed in many fields, such as automobile chassis, but at present, many automobile chassis cannot give consideration to both of them, either stretching is not enough, impact is not enough, or surface quality is not feasible.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide a glass fiber feeding mechanism of a screw extruder, aiming at high glass fiber products, glass fiber feeding materials on glass fiber rolls are preheated before mixing, thus meeting the requirements of energy conservation and consumption reduction; the high temperature of the material strips extruded by the die head is fully utilized, the glass fibers can be effectively preheated before the glass fibers are fed, the heat consumption is reduced, the heat exchange can be carried out on the material strips extruded by the die head, the material strips extruded by the die head are cooled to a certain degree, two purposes are achieved at one stroke, and the concept is ingenious.

In order to achieve the above object, the technical scheme of the utility model is to design the fine feed mechanism of glass of screw extruder, include that the fine finished product of glass that sets up a plurality of and stack in one side of its organism of screw extruder is rolled up, and the fine end of glass is exposed respectively on every fine finished product is rolled up, and the end that the fine finished product of glass of upper and lower adjacent was rolled up passes through nylon connector fixed connection. Can realize continuous material loading like this, the fine glass of next volume is taken out again after the fine quilt of coiling is used up to the fine finished product of a book glass, and because the end that the fine finished product of adjacent glass rolled up passes through the nylon connecting piece and connects, can not destroy the composition of the compounding after mixing, the nylon connecting piece is the fused PA material after adopting the heating, take out after partly air cooling slightly the workman wear heat insulating gloves and link together through two ends that the fine finished product of continuous book is hot through the PA material, treat just realize the connection of the end of the fine finished product of adjacent book after cooling completely, owing to be the PA material in the direct utilization raw materials, so do not influence the composition of compounding. And the operation can be carried out on the connection work of the end heads in batches after other operations are carried out by workers, and the operation is not like the conventional operation that the workers run through the work of feeding the next roll every time when the workers use up one roll, so that the working time is saved, and the working efficiency is improved.

The further technical scheme is that the feeding mechanism further comprises a preheating shell fixedly connected to one side of the machine body of the screw extruder, the surface of the preheating shell is coated with a heat-insulating sleeve, one end of the preheating shell is arranged at the discharge port of the die head of the screw extruder, and the shape of the end of the preheating shell is matched with the shape of the material strip. Therefore, the high temperature of the material strip extruded by the die head can be utilized to cool the extruded material strip, and the glass fibers entering the screw extruder can be preheated, so that a better mixing effect is ensured.

The further technical scheme is that one end of the preheating shell is arranged at a die head discharge port of the screw extruder, and the other end of the preheating shell is connected with a glass fiber feed port of the screw extruder.

The technical scheme is that a square box serving as a glass fiber cache preheating cavity is fixedly arranged on the side surface of a machine barrel of the screw extruder, a heat insulation guide wheel is rotatably arranged in the square box, and a glass fiber feeding port and a glass fiber discharging port are respectively arranged at two corners of a diagonal line on the square box; the square box is made of heat insulation materials and is in a square groove shape formed by five rectangular plates. Therefore, before glass fiber is fed, the glass fiber before being fed is properly preheated by utilizing the residual temperature of the cylinder wall of the machine cylinder, the melting heat required by the glass fiber mixed with PA after entering the machine cylinder is reduced, and the consumption of heat energy is reduced. The glass fiber is wound on a plurality of heat insulation wheels of the glass fiber cache preheating cavity from the glass fiber finished product roll, and then is discharged from the glass fiber discharge port until reaching the preheating shell, and then reaches the glass fiber feed port of the screw extruder to enter the screw extruder, and is extruded into a wire by the screw extruder after being heated and mixed with other raw materials such as PP or PA in the machine barrel. Considering that the surface area of the machine barrel is increased instead by the arrangement of the protruded square box, the heat dissipation area is easily increased, and therefore the square box is made of heat insulation materials to reduce the heat dissipation.

The further technical proposal is that the glass fiber discharge port is connected with the preheating shell through a flexible channel made of heat insulating materials.

The utility model has the advantages and the beneficial effects that: aiming at high glass fiber products, glass fiber materials on glass fiber rolls are preheated before being mixed, so that the requirements of energy conservation and consumption reduction are met; the high temperature of the material strips extruded by the die head is fully utilized, the glass fibers can be effectively preheated before the glass fibers are fed, the heat consumption is reduced, the heat exchange can be carried out on the material strips extruded by the die head, the material strips extruded by the die head are cooled to a certain degree, two purposes are achieved at one stroke, and the concept is ingenious. Can realize continuous material loading, the fine glass of the next volume of glass is taken out again after being used up of the fine finished product of the glass of a volume of coiling, and because the end that the fine finished product of adjacent glass rolled up passes through the nylon connecting piece and connects, can not destroy the composition of the compounding after mixing, the nylon connecting piece is the molten PA material after adopting the heating, take out after partly air cooling slightly the workman wear heat insulating gloves and link together through two ends that the fine finished product of the glass that the PA material will be rolled up in succession is hot, treat to realize the connection of the end that the fine finished product of the glass of adjacent book was rolled up after cooling completely, owing to be the PA material in the direct utilization raw materials, so do not influence the composition of compounding. And the operation can be carried out on the connection work of the end heads in batches after other operations are carried out by workers, and the operation is not like the conventional operation that the workers run through the work of feeding the next roll every time when the workers use up one roll, so that the working time is saved, and the working efficiency is improved. The high temperature of the material strip that can utilize the die head to extrude can enough cool off the material strip of extruding, can also preheat the glass fibre that gets into screw extruder, guarantees better compounding effect. The glass fiber is properly preheated before feeding by utilizing the residual temperature of the cylinder wall of the machine cylinder before feeding the glass fiber, so that the melting heat required by the glass fiber mixed with PA after entering the machine cylinder is reduced, and the consumption of heat energy is reduced. The glass fiber is wound on a plurality of heat insulation wheels of the glass fiber cache preheating cavity from the glass fiber finished product roll, and then is discharged from the glass fiber discharge port until reaching the preheating shell, and then reaches the glass fiber feed port of the screw extruder to enter the screw extruder, and is extruded into a wire by the screw extruder after being heated and mixed with other raw materials such as PP or PA in the machine barrel. Considering that the surface area of the machine barrel is increased instead by the arrangement of the protruded square box, the heat dissipation area is easily increased, and therefore the square box is made of heat insulation materials to reduce the heat dissipation.

Drawings

Fig. 1 is a schematic view of a glass fiber feeding mechanism of a screw extruder of the utility model.

In the figure: 1. a glass fiber feeding hole; 2. glass fiber; 3. a body; 4. a square box; 5. a heat-insulating guide wheel; 6. a glass fiber feeding port; 7. a glass fiber discharge port; 8. a flexible channel; 9. a nylon connector; 10. preheating the shell; 11. winding a glass fiber finished product; 12. a discharge hole of the die head; 13. and (5) material strip.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in figure 1, the utility model relates to a fine feed mechanism of glass of screw extruder, include that the fine finished product of glass that sets up a plurality of and stack in one side of its organism 3 of screw extruder rolls up 11, and the fine finished product of every glass is rolled up and is exposed the fine 2 end of glass respectively on 11, and the fine finished product of glass of upper and lower adjacent rolls up 11 end and passes through nylon connector 9 fixed connection. The feeding mechanism further comprises a preheating shell fixedly connected to one side of the machine body 3 of the screw extruder, the surface of the preheating shell is coated with a heat insulation sleeve, one end of the preheating shell is arranged at a die head discharge port 12 of the screw extruder, and the shape of the end of the preheating shell is matched with the shape of the material strip 13. One end of the preheating shell is arranged at a die head discharge port 12 of the screw extruder, and the other end of the preheating shell is connected with a glass fiber feed port 1 of the screw extruder. A square box 4 serving as a glass fiber cache preheating cavity is fixedly arranged on the side surface of a machine barrel of the screw extruder, a heat insulation guide wheel 5 is rotatably arranged in the square box 4, and a glass fiber feeding port 6 and a glass fiber discharging port 7 are respectively arranged at two corners of a diagonal line on the square box 4; the square box 4 is made of heat insulation materials and is in a square groove shape formed by five rectangular plates. The glass fiber discharge port 7 is connected to the preheating casing through a flexible passage 8 made of a heat insulating material.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (2)

1. The glass fiber feeding mechanism of the screw extruder is characterized by comprising a plurality of stacked glass fiber finished product rolls arranged on one side of a machine body of the screw extruder, wherein the ends of glass fibers are respectively exposed on each glass fiber finished product roll, the ends of the glass fiber finished product rolls which are adjacent up and down are fixedly connected through a nylon connecting piece, the feeding mechanism further comprises a preheating shell fixedly connected to one side of the machine body of the screw extruder, the surface of the preheating shell is coated with an insulating sleeve, one end of the preheating shell is arranged at a die head discharge port of the screw extruder, and the shape of the end of the preheating shell is matched with a material strip; one end of the preheating shell is arranged at a die head discharge port of the screw extruder, and the other end of the preheating shell is connected with a glass fiber feed port of the screw extruder; a square box serving as a glass fiber cache preheating cavity is fixedly arranged on the side surface of a machine barrel of the screw extruder, a heat insulation guide wheel is rotatably arranged in the square box, and a glass fiber feeding port and a glass fiber discharging port are respectively arranged at two corners of a diagonal line on the square box; the square box is made of heat insulation materials and is in a square groove shape formed by five rectangular plates.

2. The glass fiber feeding mechanism of a screw extruder according to claim 1, wherein the glass fiber discharge port is connected to the preheating housing through a flexible passage made of a heat insulating material.

Images