CN217648908U

CN217648908U - Cable material extrusion device

Info

Publication number: CN217648908U
Application number: CN202121978165.8U
Authority: CN
Inventors: 蒋中友; 龚杨华; 曾兵; 魏平
Original assignee: Weiyuan Phoenix High Tech Materials Co ltd
Current assignee: Weiyuan Phoenix High Tech Materials Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-10-25
Anticipated expiration: 2031-08-23

Abstract

The utility model provides a cable material extrusion device, the purpose is solved current cable material extrusion device length, the big technical problem of area. The adopted technical scheme is as follows: an electric cable material extrusion device, comprising: the device comprises a box body and a separator for dividing the box body into an upper chamber and a lower chamber; the upper chamber is provided with a first double-screw group for conveying materials leftwards, and the lower chamber is provided with a second double-screw group for conveying materials rightwards; the right section of the upper chamber is communicated with the hopper, the left section of the partition is provided with an opening communicated with the upper chamber and the lower chamber, and the right end of the lower chamber is provided with an extrusion mouth shape; the upper chamber and the lower chamber are respectively provided with an electric heater. The utility model discloses reduce cable material extrusion device's length, reduced area.

Description

Cable material extrusion device

Technical Field

The utility model relates to an extrusion equipment technical field, concretely relates to cable material extrusion device.

Background

The plastic used for the insulation and the sheath of the electric wire and the electric cable is commonly called as a cable material. And mixing the raw materials, feeding the mixture into a cable material extrusion device, and extruding the mixture by the cable material extrusion device to obtain the cable material.

The cable material extrusion device mainly comprises parallel twin screws, and in order to ensure that all raw materials are fully blended, the extrusion stroke is usually prolonged by increasing the length of the twin screws in the prior art so as to achieve a good mixing extrusion effect. This has the following drawbacks: on one hand, the screw is too long, so that the screw is easy to bend and deform; on the other hand, the whole cable material extrusion device is too long, needs to occupy a large site area, and has higher requirements on the length of a production workshop.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cable material extrusion device, it is guaranteeing under the prerequisite that the cable material mixes the extrusion effect, has reduced the free length of screw rod and whole extrusion device's length, has increased the intensity of screw rod to area has been reduced.

In order to achieve the above object, the utility model adopts the following technical scheme:

an electric cable material extrusion device, comprising: the device comprises a box body and a separator for dividing the box body into an upper chamber and a lower chamber; the upper chamber is provided with a first double-screw group for conveying materials leftwards, and the lower chamber is provided with a second double-screw group for conveying materials rightwards; the right section of the upper chamber is communicated with the hopper, the left section of the partition is provided with an opening communicated with the upper chamber and the lower chamber, and the right end of the lower chamber is provided with an extrusion mouth shape; the upper chamber and the lower chamber are respectively provided with an electric heater.

Optionally, the right end of the box body is opened, and the cover plate which is detachably connected is adapted to the right end of the box body, the upper portion of the cover plate is sealed to the upper chamber, and the lower portion of the cover plate forms an extrusion opening of the lower chamber.

Optionally, the cover plate has an installation opening through which the shaft portion of the second twin-screw group passes, and a plurality of extrusion holes are uniformly distributed around the installation opening.

Optionally, a cutter is fixedly connected to a part of the shaft part of the second double-screw group, which penetrates out of the cover plate; and when the cutter rotates along with the second double-screw rod group, the cutter periodically sweeps the corresponding extrusion hole.

Optionally, the cutter includes the tube-shape installation department of dismantling the connection with the axial region of second double screw rod group, is located the annular sheet portion of installation department towards apron one end, along a plurality of cutting portions of annular sheet portion periphery evenly distributed.

Optionally, two ends of the first twin-screw group and the second twin-screw group are respectively provided with a sealing bearing, and are rotationally connected with the box body and the cover plate through the sealing bearings; the apron is equipped with the mounting groove that holds sealed bearing in the one side towards the box.

Optionally, a cooling tank is arranged below the box body, and a conveying network chain for conveying the extruded cable material is arranged in the cooling tank; one end of the conveying net chain, corresponding to the extrusion holes, is located below the water surface, and one end of the conveying net chain, far away from the extrusion holes, is located above the water surface.

The utility model discloses a theory of operation does: the materials in the hopper can fall into the right end of the upper chamber and are conveyed leftwards under the action of the first double-screw group; material delivered to the left end of the upper chamber will enter the lower chamber through the opening and be delivered to the right under the action of the second twin-screw set. When the materials move in the upper cavity and the lower cavity, the materials are melted under the action of the electric heater and are mixed under the action of the first double-screw group and the second double-screw group. And finally, discharging the material which is fully mixed in the molten state from an extrusion mouth at the right end of the lower cavity to obtain the cable material.

Therefore, the utility model has the advantages that: the upper cavity and the lower cavity which are parallel up and down are arranged, so that the length of the screw and the whole extrusion device is reduced by half on the premise that the length of the material extrusion stroke is not changed, the strength of the screw is increased, and the occupied area is saved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 isbase:Sub>A cross-sectional view A-A of FIG. 2;

fig. 4 is an assembly schematic view of the present invention;

FIG. 5 is a schematic view of another angle of FIG. 4;

FIG. 6 is a schematic structural view of the case;

FIG. 7 is a schematic view of the structure of the cutter;

fig. 8 is a schematic diagram of the cooling tank of the present invention.

Reference numerals are as follows: 1. a box body; 2. an upper chamber; 3. a lower chamber; 4. a separator; 5. a first twin screw set; 6. a second twin-screw group; 7. a hopper; 8. an opening; 9. a cover plate; 10. an extrusion orifice; 11. a cutter; 12. an installation part; 13. an annular sheet portion; 14. a cutting section; 15. sealing the bearing; 16. mounting grooves; 17. a cooling pool; 18. and (4) conveying the net chain.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in fig. 1, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

The following describes embodiments of the present invention in detail with reference to fig. 1 to 8.

The embodiment of the utility model provides a cable material extrusion device. The extrusion apparatus includes: a case 1, and a partition 4 dividing the case 1 into an upper chamber 2 and a lower chamber 3. It should be understood that the partition 4 may be provided in an integral structure with the case 1, or in an assembled structure. The upper chamber 2 is provided with a first double-screw group 5 for conveying materials leftwards, and the lower chamber 3 is provided with a second double-screw group 6 for conveying materials rightwards. It should be understood that the first and second

double screw groups

5, 6 are driven by motors. The right section of the upper chamber 2 is communicated with a hopper 7, the left section of the separator 4 is provided with an opening 8 for communicating the upper chamber 2 with the lower chamber 3, and the right end of the lower chamber 3 is provided with an extrusion mouth shape; the upper chamber 2 and the lower chamber 3 are respectively provided with an electric heater.

In the following, the specific embodiment of the present invention is explained, the material in the hopper 7 will fall into the right end of the upper chamber 2 and be transported to the left by the first twin-screw group 5; material delivered to the left end of the upper chamber 2 will enter the lower chamber 3 through the opening 8 and be delivered to the right by the second twin screw set 6. When moving in the upper chamber 2 and the lower chamber 3, the materials are melted by the electric heater and are mixed by the first twin-screw group 5 and the second twin-screw group 6. Finally, the material fully mixed in the molten state can be discharged from the extrusion mouth at the right end of the lower cavity 3, and the cable material can be prepared. The utility model discloses set up upper chamber 2 and lower chamber 3 that parallel from top to bottom, extruded under the unchangeable prerequisite of stroke length at the material, made screw rod and whole extrusion device's length reduce half, both increased screw rod intensity, practiced thrift area again.

Furthermore, the right end of the box body 1 is open and is matched with a cover plate 9 which is detachably connected, the upper part of the cover plate 9 seals the upper chamber 2, and the lower part of the cover plate 9 forms an extrusion opening shape of the lower chamber 3. It should be understood that the motors driving the first and second double-

screw groups

5 and 6 are generally disposed at the left end of the case 1; the first double-screw group 5 and the second double-screw group 6 are taken and placed from the right end of the box body 1 when being disassembled and assembled. The cover plate 9 and the box body 1 can be provided with corresponding mounting holes and fixedly connected through bolts penetrating through the mounting holes.

Furthermore, the cover plate 9 has a mounting opening for the shaft of the second twin-screw group 6 to pass through, and a plurality of extrusion holes 10 are uniformly distributed around the mounting opening. It should be understood that the upper portion of the cover plate 9 forms a seal for the upper chamber 2, and the lower portion of the cover plate 9 forms an extrusion die by arranging the extrusion holes 10, so that the extrusion die is dual-purpose, the extrusion die does not need to be arranged independently, the number of parts of the whole extrusion device is reduced, and the assembly is simpler and more convenient.

Furthermore, a cutter 11 is fixedly connected to the shaft part of the second double-screw rod group 6 at the part penetrating through the cover plate 9; the cutting knife 11 periodically sweeps over the corresponding extrusion hole 10 when rotating with the second double-screw set 6. It will be appreciated that the cutter 11 rotating with the second twin-screw set 6 periodically cuts the material discharged from the extrusion hole 10, thereby cutting the cable material in a molten state into pellets, which facilitates cooling, transportation and storage of the cable material. The cutter 11 is fixedly connected with the shaft part of the second double-screw group 6, so that no additional power source is needed, and the production cost of the extruding device is reduced.

Further, the cutting knife 11 comprises a cylindrical mounting part 12 detachably connected with the shaft part of the second double-screw rod group 6, a ring sheet part 13 located at one end of the mounting part 12 facing the cover plate 9, and a plurality of cutting parts 14 uniformly distributed along the periphery of the ring sheet part 13. It will be appreciated that a slight clearance should be left between the cover plate 9 and the ring plate portion 13 and the cutting portion 14 to avoid friction between the cutter 11 and the cover plate 9. The mounting part 12 and the shaft part of the second double-screw rod group 6 can be provided with corresponding pin holes and can be detachably connected through bolts penetrating through the pin holes.

Furthermore, two ends of the first double-screw group 5 and the second double-screw group 6 are respectively provided with a sealing bearing 15, and are rotatably connected with the box body 1 and the cover plate 9 through the sealing bearings 15; the cover plate 9 is provided with a mounting groove 16 for accommodating a seal bearing 15 on the side facing the housing 1.

Further, a cooling pool 17 is arranged below the box body 1, and a conveying net chain 18 for conveying the extruded cable material is arranged in the cooling pool 17; the end of the conveying net chain 18 corresponding to the extrusion hole 10 is positioned below the water surface, and the end of the conveying net chain 18 far away from the extrusion hole 10 is positioned above the water surface. It should be understood that the cooling pool 17 is filled with cooling water, and the granular cable material falling into the cooling pool 17 is transported downstream by the mesh chain 18, and is cooled by water and then drained during the transportation process. In order to ensure the normal operation of the conveyor chain 18, partitions may be provided on the carrying surface of the conveyor chain 18, which extend beyond the water surface, so as to define a plurality of material chambers on the carrying surface of the conveyor chain 18.

Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that changes and modifications may be made to these embodiments without departing from the principles and spirit of the invention, and these changes and modifications are intended to fall within the scope of the invention.

Claims

1. A cable material extrusion device, comprising:

a box body (1); and

a partition (4) dividing the box body (1) into an upper chamber (2) and a lower chamber (3);

the upper chamber (2) is provided with a first double-screw group (5) for conveying materials leftwards, and the lower chamber (3) is provided with a second double-screw group (6) for conveying materials rightwards;

the right section of the upper chamber (2) is communicated with the hopper (7), the left section of the partition (4) is provided with an opening (8) for communicating the upper chamber (2) with the lower chamber (3), and the right end of the lower chamber (3) is provided with an extrusion opening;

the upper cavity (2) and the lower cavity (3) are respectively provided with an electric heater.

2. The cable material extrusion apparatus of claim 1, wherein: the right-hand member of box (1) opens to apron (9) of connection can be dismantled in the adaptation, the upper portion of apron (9) constitutes to seal upper chamber (2), the lower part of apron (9) constitutes down the extrusion mouth type of chamber (3).

3. The cable material extrusion apparatus according to claim 2, wherein: the cover plate (9) is provided with a mounting port for the shaft part of the second double-screw group (6) to penetrate out, and a plurality of extrusion holes (10) which are uniformly distributed around the mounting port are arranged.

4. The cable material extrusion apparatus according to claim 3, wherein: a cutting knife (11) is fixedly connected to the part, penetrating out of the cover plate (9), of the shaft part of the second double-screw rod group (6); when the cutter (11) rotates along with the second double-screw group (6), the cutter periodically skims the corresponding extrusion holes (10).

5. The cable material extrusion device according to claim 4, wherein the cutter (11) comprises:

a cylindrical mounting part (12) detachably connected to the shaft part of the second double screw group (6);

a ring sheet part (13) positioned at one end of the mounting part (12) facing the cover plate (9); and

a plurality of cutting parts (14) which are evenly distributed along the periphery of the ring sheet part (13).

6. The cable material extrusion apparatus according to any one of claims 2 to 5, wherein: two ends of the first double-screw group (5) and the second double-screw group (6) are respectively provided with a sealing bearing (15) and are rotationally connected with the box body (1) and the cover plate (9) through the sealing bearings (15); and one surface of the cover plate (9) facing the box body (1) is provided with a mounting groove (16) for accommodating a sealing bearing (15).

7. The cable material extrusion apparatus according to any one of claims 3 to 5, wherein: a cooling pool (17) is arranged below the box body (1), and a conveying net chain (18) for conveying the extruded cable material is arranged in the cooling pool (17); one end of the conveying net chain (18) corresponding to the extrusion hole (10) is positioned below the water surface, and one end of the conveying net chain (18) far away from the extrusion hole (10) is positioned above the water surface.