CN216993004U

CN216993004U - Plastic wire drawing device

Info

Publication number: CN216993004U
Application number: CN202123379079.8U
Authority: CN
Inventors: 张连杰
Original assignee: Qingdao Jingzhida Plastic Technology Co ltd
Current assignee: Qingdao Jingzhida Plastic Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-07-19
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a plastic wire drawing device which comprises a driving device, a material cylinder, a feeding hopper, a spiral shaft and a cooling device, wherein the driving device is fixedly arranged on a working platform, the working platform is fixedly arranged on a base station base, an output shaft of the driving device is fixedly connected with the spiral shaft, the spiral shaft is provided with a spiral pushing blade, the spiral pushing blade is provided with a material mixing channel, the spiral pushing blade is arranged in the material cylinder, the material cylinder is fixedly arranged on the working platform, the feeding hopper is arranged above one end of the material cylinder, the inner wall of the material cylinder is embedded with a heating device, the other end of the material cylinder is provided with a die head, and the outlet position of the die head is provided with the cooling device. According to the utility model, the plastic and the plastic solution are uniformly mixed by arranging the material mixing channel and the pre-extrusion cavity, and the plastic wire formed by wire drawing has better wire forming effect and higher working efficiency.

Description

Plastic wire drawing device

Technical Field

The utility model relates to the field of plastic product manufacturing, in particular to a plastic wire drawing device.

Background

The plastic wire drawing machine is a device for manufacturing plastic wires from plastics, and when the plastic wire drawing machine is used, plastic raw materials are poured into a charging barrel to be heated and melted, and then the plastic raw materials are output through a die head to form the plastic wires.

However, the existing plastic wire drawing machine has some defects, for example, the feeding congestion and the bubble mixing in the molten plastic are easy to occur due to uneven feeding in the process of heating and melting the plastic, the plastic wire after discharging is easy to bend and break due to the internal density of the molten plastic body in the process of outputting from the die head, and the plastic wire forming process has the defects of low efficiency, poor wire forming quality and the like.

SUMMERY OF THE UTILITY MODEL

In order to solve the existing problems, the utility model provides a plastic wire drawing device, wherein the plastic wire drawing device is slowly pushed towards a die head in the process of heating and melting plastic by arranging an irregular spiral pushing blade, the spiral pushing blade is provided with a material mixing channel and a material mixing wheel, the plastic cannot be blocked, the molten plastic can be distributed very uniformly, and the die head is also provided with a pre-extrusion cavity, so that the plastic can be further uniformly mixed before final wire forming.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

as shown in the attached drawings, the plastic wire drawing device provided by the utility model comprises a driving device, a material cylinder, a feeding hopper, a spiral shaft and a cooling device, wherein the driving device is fixedly arranged on a working platform, the working platform is fixedly arranged on a base station base, the base station base is fixedly arranged on a working site, an output shaft of the driving device is fixedly connected with the spiral shaft, the spiral shaft is provided with a spiral pushing blade, the spiral pushing blade is provided with a material mixing channel, the spiral pushing blade is arranged in the material cylinder, the material cylinder is fixedly arranged on the working platform, the feeding hopper is arranged above one end of the material cylinder close to the driving device, the inner wall of the material cylinder is embedded with a heating device, the other end of the material cylinder is provided with a die head, the outlet position of the die head is correspondingly provided with the cooling device, and the cooling device is arranged on a movable base, and a universal brake wheel is arranged below the movable base.

The plastic wire drawing device is characterized in that the driving motor is arranged in the driving device, an output shaft of the driving motor is connected with the spiral shaft, the driving device is arranged at one end of the charging barrel, and the part of the spiral shaft connected with the driving motor is arranged to be the shaft end with the same inner diameter as the charging barrel so as to plug the charging barrel.

In the plastic wire drawing device, the spiral pushing blade on the spiral shaft is arranged in contact with the inner wall of the charging barrel.

In the plastic wire drawing device, the spiral pushing blade on the spiral shaft is a spiral blade with gradually changed pitch, the pitch of the spiral blade close to the driving device is small, and the pitch of the spiral blade close to the die head is large.

In the plastic wire drawing device, the spiral push blade is provided with the material mixing channel.

Foretell plastics wire drawing device, the compounding passageway is the breach of interval distribution on the spiral pushes away the leaf, and the feeder hopper below is provided with a compounding passageway.

In the plastic wire drawing device, the cooling device is a cooling water tank.

In the plastic wire drawing device, the heating device is a resistance heater.

The die head is fixedly arranged at the discharge port of the charging barrel through the bolt, the discharging channel in the die head is provided with the pre-extrusion cavity at the position close to the discharge port, the inner diameter of the pre-extrusion cavity is larger than that of the discharging channel in the die head, and the inner wall of the pre-extrusion cavity is provided with the strip-shaped or block-shaped bulges.

The plastic wire drawing device has the advantages that by arranging the irregular spiral push blades, the pitch of the initial spiral push blades is small, the plastic can move faster, the pitch of the spiral push blades is gradually increased, the plastic is basically melted at the moment, the plastic does not need to move too fast and only needs to be pushed forwards and extruded slowly, the spiral push blades are provided with the material mixing channels and the material mixing wheels, so that the plastic cannot be blocked, the molten plastic can be distributed uniformly, the die head is also provided with the pre-extrusion cavity, the molten plastic is further uniformly mixed under the action of the convex blocks when passing through the pre-extrusion cavity, the wire drawing effect of plastic wires formed by wire drawing is better, and the working efficiency is higher.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of example 1 of the screw axis;

FIG. 3 is a schematic view showing the structure of example 2 of the screw shaft;

FIG. 4 is an enlarged view of a portion of embodiment 1 in the area A of FIG. 1;

fig. 5 is a partially enlarged view of the embodiment 3 in the area a of fig. 1.

1. The device comprises a base station base, a working platform, a driving device, a feeding hopper, a spiral pushing blade, a mixing channel 51, a mixing wheel 52, a spiral shaft 6, a heating device 7, a charging barrel 8, a die head 9, a pre-extrusion cavity 91, a cooling device 10, a movable base 11 and a universal braking wheel 12.

Detailed Description

In order to make the technical solutions of the present invention better understood, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[ example 1 ]

As shown in the attached drawing 1, the plastic wire drawing device provided by the utility model comprises a driving device 3, a charging barrel 8, a feeding hopper 4, a screw shaft 6 and a cooling device 10, wherein the driving device 3 is fixedly arranged on a working platform 2, the working platform 2 is fixedly arranged on a base platform base 1, the base platform base 1 is fixedly arranged on a working site, an output shaft of the driving device 3 is fixedly connected with the screw shaft 6, a screw pushing blade 5 is arranged on the screw shaft 6, a material mixing channel 51 is arranged on the screw pushing blade 5, the screw pushing blade 5 is arranged in the charging barrel 8, the charging barrel 8 is fixedly arranged on the working platform 2, the feeding hopper 4 is arranged above one end of the charging barrel 8 close to the driving device 3, a heating device 7 is embedded on the inner wall of the charging barrel 8, a die head 9 is arranged at the other end of the charging barrel 8, and the cooling device 10 is correspondingly arranged at the outlet position of the die head 9, the cooling device 10 is arranged on a movable base 11, and a universal brake wheel 12 is arranged below the movable base 11.

Furthermore, a driving motor is arranged in the driving device 3, an output shaft of the driving motor is connected with the screw shaft 6, the driving device 3 is arranged at one end of the charging barrel 8, and the part of the screw shaft 6 connected with the driving motor is arranged as a shaft end with the same inner diameter as the charging barrel 8 to block the charging barrel 8.

Further, a spiral pushing blade 5 on the spiral shaft 6 is arranged in contact with the inner wall of the charging barrel 8.

Furthermore, the spiral pushing blade 5 on the spiral shaft 6 is a spiral blade with gradually changed screw pitch, the screw pitch of the part close to the driving device 3 is small, and the screw pitch of the part close to the die head 9 is large.

Further, a mixing channel 51 is arranged on the spiral pushing blade 5.

Further, the mixing channel 51 is a gap distributed at intervals on the spiral pushing blade 5, and the mixing channel 51 is arranged below the feeding hopper 4, as shown in fig. 2.

Further, the cooling device 10 is a cooling water tank.

Further, the heating device 7 is a resistance heater.

Further, the die head 9 is fixedly installed at the discharge port of the charging barrel 8 through a bolt, a pre-extrusion cavity 91 is arranged at a position, close to the discharge port, of a discharge channel in the die head 9, the inner diameter of the pre-extrusion cavity 91 is larger than that of the discharge channel in the die head 9, and rhombic block-shaped protrusions are regularly arranged on the inner wall of the pre-extrusion cavity 91, as shown in fig. 4.

[ example 2 ] A method for producing a polycarbonate

Different from embodiment 1, in this embodiment, further, the material mixing channel 51 is gaps distributed at intervals on the spiral pushing blade 5, the material mixing wheel 52 is arranged below the feeding hopper 4, specifically, a plurality of continuous narrow gaps are formed, and after plastic particles fall into the material mixing channel, the spiral pushing blades 5 of the plurality of gaps form a plurality of structures similar to strip-shaped gear teeth, so that the plastic particles can be uniformly mixed, as shown in fig. 3.

[ example 3 ]

Different from the embodiment 1, in this embodiment, further, a pre-extrusion cavity 91 is disposed in a position close to the discharge port of the discharge channel in the die head 9, an inner diameter of the pre-extrusion cavity 91 is larger than an inner diameter of the discharge channel in the die head 9, and strip-shaped protrusions are disposed on an inner wall of the pre-extrusion cavity 91 and are uniformly distributed continuously, as shown in fig. 5.

In the using process of the utility model, plastic particles enter the barrel 8 from the feed hopper 4, are pushed forwards by the spiral push blade 5 uniformly in the barrel 8 under the action of the mixing wheel 52 or the mixing channel 51, are changed into a molten state under the action of the heating device 7, then enter the die head 9 at the discharge port of the barrel 8 to be drawn and formed, the pre-extrusion cavity 91 is arranged at the die head 9, the plastic particles firstly pass through the pre-extrusion cavity 91 in the drawing process, the molten plastic can be drawn and formed more smoothly under the further interference of regular protrusions, and the drawn and formed product is cooled and formed by the water tank.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents of the utility model may be made by those skilled in the art within the spirit and scope of the utility model, and such modifications and equivalents should also be considered as falling within the scope of the utility model.

Claims

1. A plastic wire drawing device comprises a driving device (3), a charging barrel (8), a feeding hopper (4), a screw shaft (6) and a cooling device (10), and is characterized in that the driving device (3) is fixedly arranged on a working platform (2), the working platform (2) is fixedly arranged on a base station base (1), the base station base (1) is fixedly arranged on a working site, an output shaft of the driving device (3) is fixedly connected with the screw shaft (6), a spiral pushing blade (5) is arranged on the screw shaft (6), a material mixing channel (51) is arranged on the spiral pushing blade (5), the spiral pushing blade (5) is arranged inside the charging barrel (8), the charging barrel (8) is fixedly arranged on the working platform (2), the feeding hopper (4) is arranged above one end of the charging barrel (8) close to the driving device (3), the improved structure of the automobile brake device is characterized in that a heating device (7) is embedded in the inner wall of the charging barrel (8), a die head (9) is installed at the other end of the charging barrel (8), a cooling device (10) is correspondingly arranged at the outlet position of the die head (9), the cooling device (10) is installed and arranged on a movable base (11), and a universal brake wheel (12) is arranged below the movable base (11).

2. A plastic wire drawing device according to claim 1, wherein the driving device (3) is internally provided with a driving motor, an output shaft of the driving motor is connected with the screw shaft (6) and arranged, the driving device (3) is arranged at one end of the charging barrel (8), and the part of the screw shaft (6) connected with the driving motor is arranged at the shaft end with the same inner diameter as the charging barrel (8).

3. A plastic wiredrawing apparatus as claimed in claim 1, wherein the screw-pushing blade (5) of the screw shaft (6) is arranged in contact with the inner wall of the barrel (8).

4. A plastic wiredrawing apparatus as claimed in claim 1, wherein the screw pushing blade (5) on the screw shaft (6) is a screw blade with a gradually changing pitch, the pitch of the screw blade is smaller at the position close to the driving means (3) and larger at the position close to the die head (9).

5. A plastic wiredrawing apparatus as claimed in claim 1, wherein said spiral impeller (5) is provided with a mixing channel (51).

6. A plastic wiredrawing apparatus as claimed in claim 5, wherein said mixing channel (51) is a plurality of spaced notches in the helical blade (5) and a mixing channel (51) is provided below the feed hopper (4).

7. A plastic wiredrawing apparatus as claimed in claim 1, wherein said cooling means (10) is a cooling water tank.

8. A plastic wiredrawing apparatus as claimed in claim 1, wherein said heating means (7) is an electric resistance heater.

9. The plastic wire drawing device according to claim 1, wherein the die head (9) is fixedly installed at a discharge port of the charging barrel (8) through a bolt, a pre-extrusion cavity (91) is arranged at a position, close to the discharge port, of a discharge channel in the die head (9), the inner diameter of the pre-extrusion cavity (91) is larger than that of the discharge channel in the die head (9), and strip-shaped or block-shaped protrusions are arranged on the inner wall of the pre-extrusion cavity (91).