CN223520147U

CN223520147U - PVC yarn extruder

Info

Publication number: CN223520147U
Application number: CN202423094558.9U
Authority: CN
Inventors: 王鹏; 李剑; 谢洪涛
Original assignee: Changzhou Adwans Yarn Technology Co ltd
Current assignee: Changzhou Adwans Yarn Technology Co ltd
Priority date: 2024-12-16
Filing date: 2024-12-16
Publication date: 2025-11-07
Anticipated expiration: 2034-12-16

Abstract

The utility model relates to the technical field of PVC yarn production, in particular to a PVC yarn extruder which comprises a cylinder, wherein the cylinder is arranged on a supporting frame, a heating plate is correspondingly arranged on the inner wall of the cylinder, an extrusion head is arranged at one end of the cylinder, a rotating shaft is coaxially arranged in the cylinder, the end part of the rotating shaft is rotationally connected with the end part of the cylinder, a first helical blade is arranged on the rotating shaft, the edge of the first helical blade is in clearance fit with the inner wall of the cylinder, an arc scraping plate is arranged between two adjacent blades of the first helical blade, and the side surface of the scraping plate corresponds to the inner wall of the cylinder. When the PVC yarn extruder is used, the plurality of scraping plates are arranged between the blades of the first helical blade, so that the raw materials adhered on the wall of the cylinder can be scraped, and the inclined scraping plates are of arc-shaped structures corresponding to the inner wall of the cylinder, so that the inner wall of the cylinder can be scraped sufficiently without influencing the contact heating of the raw materials and the inner wall of the cylinder.

Description

PVC yarn extruder

Technical field.

The utility model relates to the technical field of PVC yarn production, in particular to a PVC yarn extruder.

Background art.

PVC is a short name of polyethylene material, yarn polyethylene is a yarn made of polyethylene, and is a yarn product which is manufactured by heating and pressurizing the polyethylene material through an extrusion molding machine, then pressing the polyethylene material into different section shapes, and then cooling, stretching, winding and other processes.

When the extruder is used for producing the PVC yarns, the PVC raw materials are required to be heated, and the PVC raw materials in a molten state are easily adhered to the pipe wall of the extruder when being extruded through the extruder, and the raw materials are adhered to the pipe wall for a long time, so that the heating effect of other raw materials can be influenced, and even the quality of the PVC yarns during extrusion is influenced due to the conditions of deterioration and the like caused by long-time high-temperature heating. To this end, we propose a PVC yarn extruder to solve the above problems.

Summary of the utility model.

The utility model aims to solve the defects in the prior art, and provides a PVC yarn extruder.

In order to achieve the aim, the utility model adopts the following technical scheme that the PVC yarn extruder comprises a cylinder, wherein the cylinder is arranged on a supporting frame, a heating plate is correspondingly arranged on the inner wall of the cylinder, and an extrusion head is arranged at one end of the cylinder;

A rotating shaft is coaxially arranged in the cylinder, the end part of the rotating shaft is rotationally connected with the end part of the cylinder, a first helical blade is arranged on the rotating shaft, the edge of the first helical blade is in clearance fit with the inner wall of the cylinder, an arc-shaped scraping plate is arranged between two adjacent blades of the first helical blade, the side surface of the scraping plate corresponds to the inner wall of the cylinder, and the scraping plate is fixed with the rotating shaft through at least one connecting rod;

one end of the rotating shaft, which is far away from the extrusion head, penetrates through the cylinder and is connected with a driving mechanism for driving the rotating shaft to rotate, and a feeding hopper is arranged at one end, which is close to the driving mechanism, of the top of the cylinder.

Preferably, the cylinder is formed by coaxially fixing a plurality of sleeves, and two adjacent sleeves are connected through a flange.

Preferably, the driving mechanism comprises a first belt pulley coaxially mounted on the end of the rotating shaft, a second belt pulley is arranged below the first belt pulley and connected with the first belt pulley through a belt, a first driving motor is coaxially mounted on the second belt pulley, and the first driving motor is mounted on the supporting frame.

Preferably, the top of feeder hopper is wide-mouth form, is equipped with the (mixing) shaft in the feeder hopper, and the top of (mixing) shaft is rotated and is installed on the apron, and the apron is fixed on the top of feeder hopper, still is provided with second driving motor on the apron, and second driving motor is fixed with the (mixing) shaft, is equipped with the shovel flitch that the slope set up in the side of (mixing) shaft, and the shovel flitch is fixed with the inner wall of feeder hopper, and shovel the flitch is fixed with the (mixing) shaft through the puddler.

Preferably, a heating plate is mounted on the inner wall of the feed hopper.

Preferably, the bottom of the stirring shaft is rotatably arranged on the connecting frame, the other end of the connecting frame is fixed with the bottom of the inner wall of the feeding hopper, the bottom of the stirring shaft is provided with a second helical blade, and the edge of the second helical blade is in clearance fit with the inner wall of the feeding hopper.

Preferably, a feeding hole is formed in one side of the top of the cover plate, a feeding pipeline is arranged above the feeding hole, the feeding pipeline is fixed on the cover plate, and the feeding pipeline is correspondingly arranged on the side face of the second driving motor.

The design scheme provided by the utility model has the beneficial effects that in the application process:

1. This PVC yarn extruder is through being provided with a plurality of scrapers between first helical blade's blade, carries the in-process at first helical blade to the PVC raw materials, can scrape the raw materials that glues on the drum pipe wall, and the scraper blade of slope is the arc structure that corresponds with the drum inner wall, since the contact that can carry out abundant scraping to the drum inner wall does not influence raw materials and drum inner wall again is heated.

2. This PVC yarn extruder carries out puddler and the hot plate of stirring to the raw materials in through the feeder hopper, carries out heating treatment to the raw materials that will enter into in the drum, guarantees that the raw materials can not appear solidifying etc. because of the temperature reduces when the unloading, improves the effect of being extruded of PVC in the extruder.

The accompanying drawings illustrate.

FIG. 1 is a schematic diagram of a first embodiment of the present utility model;

FIG. 2 is a schematic diagram of a second embodiment of the present utility model;

FIG. 3 is a schematic view of the internal structure of the cylinder according to the present utility model;

FIG. 4 is a schematic view of the internal structure of the feed hopper according to the present utility model.

The device comprises a support frame 1, a cylinder 2, a cylinder 3, an extrusion head 4, a first belt pulley 5, a belt 6, a second belt pulley 7, a first driving motor 8, a feed hopper 9, a rotating shaft 10, a first helical blade 11, a scraping plate 12, a connecting rod 13, a cover plate 14, a feeding pipeline 15, a feed inlet 16, a second driving motor 17, a stirring shaft 18, a shoveling plate 19, a stirring rod 20, a connecting frame 21 and a second helical blade.

Detailed description of the preferred embodiments.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a PVC yarn extruder comprises a cylinder 2, wherein the cylinder 2 is formed by coaxially fixing a plurality of sleeves, and two adjacent sleeves are connected through a flange so as to facilitate the disassembly and assembly of the cylinder 2, the cylinder 2 is arranged on a support frame 1, namely, the sleeves are detachably mounted with the support frame 1, heating plates are correspondingly mounted on the inner wall of the cylinder 2, the PVC raw material added into the cylinder 2 can be heated, and an extrusion head 3 is arranged at one end of the cylinder 2;

As shown in fig. 1 and 3, a rotating shaft 9 is coaxially arranged in the cylinder 2, the end of the rotating shaft 9 is rotationally connected with the end of the cylinder 2, a first helical blade 10 is arranged on the rotating shaft 9, the edge of the first helical blade 10 is in clearance fit with the inner wall of the cylinder 2, an arc-shaped scraping plate 11 is arranged between two adjacent blades of the first helical blade 10, the side surface of the scraping plate 11 corresponds to the inner wall of the cylinder 2, the scraping plate 11 is fixed with the rotating shaft 9 through at least one connecting rod 12, one end of the rotating shaft 9, which is far away from the extrusion head 3, penetrates through the cylinder 2 and is connected with a driving mechanism for driving the rotating shaft 9 to rotate, when the first helical blade 10 rotates to convey the PVC raw material added into the cylinder 2, the PVC raw material is extruded and pushed to the extrusion head 3, and when the first helical blade 10 extrudes and conveys the PVC raw material, the scraping plate 11 also rotates along with the inner wall of the cylinder 2, so that the raw material adhered to the inner wall of the cylinder 2 can be separated from the cylinder 2, and partial raw material is prevented from being continuously heated, and the quality of PVC yarn is affected.

Wherein, as shown in fig. 1, the driving mechanism comprises a first belt pulley 4, the first belt pulley 4 is coaxially arranged on the end part of a rotating shaft 9, a second belt pulley 6 is arranged below the first belt pulley 4, the second belt pulley 6 is connected with the first belt pulley 4 through a belt 5, a first driving motor 7 is coaxially arranged on the second belt pulley 6, the first driving motor 7 is arranged on a supporting frame 1, and the first driving motor 7 provides power for the rotation of the rotating shaft 9 under the transmission of the belt 5.

A feed hopper 8 is arranged at one end, close to the driving mechanism, of the top of the cylinder 2, wherein, as shown in fig. 4, the top of the feed hopper 8 is in a wide-mouth shape, a stirring shaft 17 is arranged in the feed hopper 8, the top of the stirring shaft 17 is rotatably arranged on a cover plate 13, the cover plate 13 is fixed on the top of the feed hopper 8, a second driving motor 16 is also arranged on the cover plate 13, the second driving motor 16 is fixed with the stirring shaft 17, a shoveling plate 18 which is obliquely arranged is arranged on the side surface of the stirring shaft 17, the shoveling plate 18 is fixed with the inner wall of the feed hopper 8, and the shoveling plate 18 is fixed with the stirring shaft 17 through a stirring rod 19;

specifically, as shown in fig. 1 and 2, a feed inlet 15 is formed on one side of the top of the cover plate 13, a feed pipe 14 is disposed above the feed inlet 15, the feed pipe 14 is fixed on the cover plate 13, and the feed pipe 14 is correspondingly disposed on the side of the second driving motor 16, when the extruder operates, PVC raw materials are added into the feed hopper 8 from the feed pipe 14, the bottom of the stirring shaft 17 is rotatably mounted on the connecting frame 20, the other end of the connecting frame 20 is fixed with the bottom of the inner wall of the feed hopper 8, a second helical blade 21 is mounted at the bottom of the stirring shaft 17, the edge of the second helical blade 21 is in clearance fit with the inner wall of the feed hopper 8, the second helical blade 21 accelerates the flow rate of the raw materials flowing into the cylinder 2 in continuous rotation, a heating plate for heating the raw materials in the feed hopper 8 is mounted on the inner wall of the feed hopper 8, and the stirring rod 19 is continuously rotated, so that the raw materials added into the feed hopper 8 can be uniformly heated, the setting of the stirring plate 18 also avoids the raw materials sticking on the inner wall of the feed hopper 8, the raw materials entering the cylinder 2, the first helical blade 10 is wound on the inner wall of the feed hopper 8, the extruded product is formed into a shape, the extruded product is extruded from the first helical blade 10, and the extruded product is extruded from the required to be formed, and the extruded product is shaped, and the extruded from the extruded product is finally, and the extruded and the product is extruded.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The PVC yarn extruder is characterized by comprising a cylinder (2), wherein the cylinder (2) is arranged on a support frame (1), heating plates are correspondingly arranged on the inner wall of the cylinder (2), and an extrusion head (3) is arranged at one end of the cylinder (2);

A rotating shaft (9) is coaxially arranged in the cylinder (2), the end part of the rotating shaft (9) is rotationally connected with the end part of the cylinder (2), a first helical blade (10) is arranged on the rotating shaft (9), the edge of the first helical blade (10) is in clearance fit with the inner wall of the cylinder (2), an arc-shaped scraping plate (11) is arranged between two adjacent blades of the first helical blade (10), the side surface of the scraping plate (11) corresponds to the inner wall of the cylinder (2), and the scraping plate (11) is fixed with the rotating shaft (9) through at least one connecting rod (12);

One end of the rotating shaft (9) far away from the extrusion head (3) penetrates through the cylinder (2) and is connected with a driving mechanism for driving the rotating shaft (9) to rotate, and a feed hopper (8) is arranged at one end, close to the driving mechanism, of the top of the cylinder (2).

2. A PVC yarn extruder according to claim 1, characterized in that the cylinder (2) consists of a plurality of sleeves coaxially fixed, and adjacent two sleeves are connected by means of a flange.

3. A PVC yarn extruder according to claim 1, characterized in that the drive mechanism comprises a first pulley (4), the first pulley (4) being coaxially mounted on the end of the rotation shaft (9), and a second pulley (6) being provided below the first pulley (4), the second pulley (6) being connected to the first pulley (4) by means of a belt (5), a first drive motor (7) being coaxially mounted on the second pulley (6), the first drive motor (7) being mounted on the support frame (1).

4. The PVC yarn extruder as claimed in claim 1, wherein the top of the feed hopper (8) is wide-mouth, a stirring shaft (17) is arranged in the feed hopper (8), the top of the stirring shaft (17) is rotatably arranged on the cover plate (13), the cover plate (13) is fixed on the top of the feed hopper (8), a second driving motor (16) is further arranged on the cover plate (13), the second driving motor (16) is fixed with the stirring shaft (17), a shoveling plate (18) which is obliquely arranged is arranged on the side surface of the stirring shaft (17), the shoveling plate (18) is fixed with the inner wall of the feed hopper (8), and the shoveling plate (18) is fixed with the stirring shaft (17) through a stirring rod (19).

5. A PVC yarn extruder according to claim 4, characterised in that heating plates are mounted on the inner wall of the feed hopper (8).

6. The PVC yarn extruder as claimed in claim 4, wherein the bottom of the stirring shaft (17) is rotatably mounted on the connecting frame (20), the other end of the connecting frame (20) is fixed with the bottom of the inner wall of the feed hopper (8), the bottom of the stirring shaft (17) is provided with a second helical blade (21), and the edge of the second helical blade (21) is in clearance fit with the inner wall of the feed hopper (8).

7. The PVC yarn extruder as recited in claim 4, wherein a feed port (15) is formed in one side of the top of the cover plate (13), a feed pipeline (14) is arranged above the feed port (15), the feed pipeline (14) is fixed on the cover plate (13), and the feed pipeline (14) is correspondingly arranged on the side face of the second driving motor (16).