CN211138059U

CN211138059U - Novel double-screw exhaust extruder for discharging moisture of cable material

Info

Publication number: CN211138059U
Application number: CN201921920859.9U
Authority: CN
Inventors: 张文龙; 张学悟; 张文俊; 马英一
Original assignee: Yangzhou Longda Electrician Material Co ltd
Current assignee: Yangzhou Longda Electrician Material Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-07-31
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses a novel twin-screw exhaust extruder for cable material moisture is discharged relates to twin-screw exhaust extruder field, including the supporting leg, the last fixed surface of supporting leg is connected with the control box, the feed inlet has been seted up to the upper surface of control box, the inner wall fixedly connected with feed hopper of feed inlet, the last fixed surface of control box is connected with the switch, the installation cavity has been seted up to the inside of control box. The utility model discloses an equal fixedly connected with catch bar in one end surface of extrusion piece, two catch bars contact with the one end surface of first cam and second cam respectively, have reached the effect of extruding unnecessary moisture and air in the material to having solved the low smoke and zero halogen cable material of polyolefin and having contained a large amount of moisture, because the extruder exhaust effect is not good, often contain the bubble in the cable material granule of preparation, seriously influence cable material processability, cause the unqualified problem of product.

Description

Novel double-screw exhaust extruder for discharging moisture of cable material

Technical Field

The utility model relates to a twin-screw exhaust extruder field, in particular to be used for cable material moisture exhaust's novel twin-screw exhaust extruder.

Background

Extruders belong to one of the classes of plastic machines, originating from the 18 th century. The extruder can divide the aircraft nose into right angle aircraft nose and bevel aircraft nose according to the contained angle of aircraft nose material flow direction and screw rod central line, and the screw extruder relies on rotatory pressure and the shearing force that produces of screw rod, can make the material fully carry out plastify and homogeneous mixing, through the bush shaping. Plastic extruders can be basically classified into twin-screw extruders, single-screw extruders and, rarely, multi-screw extruders and screw-less extruders;

when the polyolefin low-smoke halogen-free cable material is processed, because a large amount of added metal hydroxide flame retardant is easy to damp and absorb water and liquid flame retardant, the polyolefin low-smoke halogen-free cable material contains a large amount of water, and because the exhaust effect of an extruder is poor, bubbles are often contained in prepared cable material particles, the processability of the cable material is seriously influenced, and the product is unqualified. Therefore, it is necessary to invent a novel twin-screw vented extruder for cable material moisture venting to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for cable material moisture exhaust novel twin-screw exhaust extruder to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel double-screw exhaust extruder for discharging moisture of cable materials comprises support legs, wherein the upper surfaces of the support legs are fixedly connected with an operation box, the upper surface of the operation box is provided with a feed inlet, the inner wall of the feed inlet is fixedly connected with a feed hopper, the upper surface of the operating box is fixedly connected with a switch, an installation cavity is arranged inside the operating box, a driving part is arranged in the mounting cavity and comprises a servo motor which is fixedly arranged on the inner bottom wall of the mounting cavity, the output shaft of the servo motor is fixedly connected with a rotating shaft through a coupler, the outer surface of one end of the rotating shaft is fixedly connected with a driving wheel, the inner wall of the operation box is provided with an operation cavity, the inner walls of two ends of the operation cavity are both provided with a first mounting hole and a second mounting hole, the inner walls of the first mounting hole and the second mounting hole are fixedly connected with a first screw rod and a second screw rod respectively through rolling bearings.

Preferably, one end surfaces of the first screw and the second screw extend into the installation cavity, the outer surface of one end of the first screw is fixedly connected with the outer surface of one end of the rotating shaft through a coupler, the outer surface of one end of the second screw is fixedly connected with a driven wheel, and the driving wheel is in transmission connection with the driven wheel through a belt;

through above-mentioned scheme, reached the effect that drives first screw rod and second screw rod simultaneous movement.

Preferably, the outer surfaces of one ends of the first screw and the second screw are respectively and fixedly connected with a first cam and a second cam, and the outer surfaces of the first screw and the second screw are movably sleeved with an extrusion block;

through above-mentioned scheme, reached and driven first cam and second cam along with the rotation of first screw rod and second screw rod and rotated the effect.

Preferably, the surface of one end of each extrusion block is fixedly connected with a push rod, and the two push rods are respectively contacted with the surface of one end of each of the first cam and the second cam;

through the scheme, the effect of pushing the push rod along with the rotation of the first cam and the second cam is achieved.

Preferably, the inner surface of one end of the operation cavity is provided with sliding grooves, the inner walls of the two sliding grooves are both inserted with sliding blocks in a sliding mode, and one side surface of each sliding block is fixedly connected with one side surface of the extrusion block;

through the scheme, the extrusion block is limited, and the effect that the extrusion block deviates due to extrusion is avoided.

Preferably, a pressure spring is fixedly connected to the surface of one end of the operation cavity, and a free end of one end of the pressure spring is fixedly connected to the surface of the other side of the sliding block;

through the scheme, the effect of automatic resetting after the extrusion block extrudes the material is achieved.

Preferably, the inner bottom wall of the operation cavity is provided with a water outlet, the inner wall of the water outlet is fixedly connected with a filter block, and the inner bottom wall of the operation cavity is provided with a feed opening;

through the scheme, the effect of avoiding leakage of the material from the water outlet is achieved.

The utility model discloses a technological effect and advantage:

1. the utility model discloses an one end surface of extrusion piece all fixedly connected with catch bar, two catch bars contact with the one end surface of first cam and second cam respectively, have reached the effect of extruding unnecessary moisture and air in the material to solved the low smoke and zero halogen cable material of polyolefin and contained a large amount of moisture, because the extruder exhaust effect is not good, often contain the bubble in the cable material granule of preparation, seriously influence cable material processability, cause the unqualified problem of product;

2. the utility model discloses an outlet has been seted up to the inner bottom wall in operation chamber, and the feed opening has been seted up to the inner wall fixedly connected with filter block of outlet in operation chamber, the inner bottom wall in operation chamber, has reached the effect of avoiding the material to leak by the outlet to solved when extruding the drainage to the material, the material is along with the problem that the moisture goes out.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a structure a in fig. 1.

Fig. 3 is an enlarged view at B in fig. 1.

Fig. 4 is a perspective view of a first cam structure of the present invention.

In the figure: 1. supporting legs; 2. an operation box; 3. a feed inlet; 4. a feed hopper; 5. a switch; 6. a mounting cavity; 7. a servo motor; 8. an operating chamber; 9. a first screw; 10. a second screw; 11. a first cam; 12. a second cam; 13. extruding the block; 14. a push rod; 15. a chute; 16. a slider; 17. a pressure spring; 18. a water outlet; 19. a filter block; 20. and (4) a feed opening.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a novel double-screw exhaust extruder for discharging moisture of cable materials as shown in figures 1 to 4, which comprises supporting legs, an operation box 2 is fixedly connected on the upper surface of the supporting legs 1, a feed inlet 3 is arranged on the upper surface of the operation box 2, a feed hopper 4 is fixedly connected on the inner wall of the feed inlet 3, a switch 5 is fixedly connected on the upper surface of the operation box 2, an installation cavity 6 is arranged in the operation box 2, a driving part is arranged in the installation cavity 6, the driving part comprises a servo motor 7, the servo motor 7 is fixedly arranged on the inner bottom wall of the installation cavity 6, an output shaft of the servo motor 7 is fixedly connected with a rotating shaft through a coupler, a driving wheel is fixedly connected on the outer surface of one end of the rotating shaft, an operation cavity 8 is arranged on the inner wall of the operation box 2, a first installation hole and a second installation hole are arranged on the inner walls of two ends, the inner walls of the first mounting hole and the second mounting hole are respectively and fixedly connected with a first screw rod 9 and a second screw rod 10 through rolling bearings, one end surfaces of the first screw rod 9 and the second screw rod 10 extend to the inside of the mounting cavity 6, the outer surface of one end of the first screw rod 9 is fixedly connected with the outer surface of one end of the rotating shaft through a coupler, the outer surface of one end of the second screw rod 10 is fixedly connected with a driven wheel, the driving wheel is in transmission connection with the driven wheel through a belt, and the servo motor 7 is a direct current motor;

as shown in fig. 1-4, the outer surfaces of one ends of the first screw 9 and the second screw 10 are respectively and fixedly connected with a first cam 11 and a second cam 12, the outer surfaces of the first screw 9 and the second screw 10 are movably sleeved with an extrusion block 13, the surface of one end of the extrusion block 13 is respectively and fixedly connected with a push rod 14, the two push rods 14 are respectively contacted with the surface of one end of the first cam 11 and the surface of one end of the second cam 12, the inner surface of one end of the operation cavity 8 is provided with a chute 15, the inner walls of the two chutes 15 are respectively and slidably inserted with a slider 16, one side surface of the slider 16 is fixedly connected with one side surface of the extrusion block 13, the surface of one end of the operation cavity 8 is fixedly connected with a pressure spring 17, the free end of one end of the pressure spring 17 is fixedly connected with the other side surface of the slider 16, so as to achieve the effect of extruding excessive moisture, due to poor exhaust effect of the extruder, bubbles are often contained in prepared cable material particles, so that the processability of the cable material is seriously affected, and the problem of unqualified products is caused;

as shown in fig. 1 and 3, the inner bottom wall of the operation cavity 8 is provided with a water outlet 18, the inner wall of the water outlet 18 is fixedly connected with a filter block 19, and the inner bottom wall of the operation cavity 8 is provided with a feed opening 20, so that the effect of preventing the material from leaking from the water outlet 18 is achieved, and the problem that the material flows out along with water when the material is extruded for drainage is solved.

This practical theory of operation: during the use, the staff presses down switch 5, servo motor 7 gets electricity, it is rotatory to drive first screw rod 9 and second screw rod 10 through the belt, the staff pours the material into by feed hopper 4, first screw rod 9 and second screw rod 10 drive first cam 11 and second cam 12 are rotatory, and then promote catch bar 14, extrusion piece 13 extrudees the material through the promotion of catch bar 14, extrude unnecessary moisture and air in the material, first screw rod 9 and second screw rod 10 process the material, after the extrusion, because pressure spring 17's pulling force pulls back extrusion piece 13, carry out next extrusion.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a be used for cable material moisture exhaust novel twin-screw exhaust extruder, includes the supporting leg, its characterized in that: the upper surface of the supporting leg (1) is fixedly connected with an operation box (2), the upper surface of the operation box (2) is provided with a feed inlet (3), the inner wall of the feed inlet (3) is fixedly connected with a feed hopper (4), the upper surface of the operation box (2) is fixedly connected with a switch (5), the interior of the operation box (2) is provided with an installation cavity (6), the interior of the installation cavity (6) is provided with a driving part, the driving part comprises a servo motor (7), the servo motor (7) is fixedly arranged on the inner bottom wall of the installation cavity (6), an output shaft of the servo motor (7) is fixedly connected with a rotating shaft through a shaft coupling, the outer surface of one end of the rotating shaft is fixedly connected with a driving wheel, the inner wall of the operation box (2) is provided with an operation cavity (8), and the inner walls of the two ends of the operation cavity (8) are provided, the inner walls of the first mounting hole and the second mounting hole are respectively and fixedly connected with a first screw rod (9) and a second screw rod (10) through rolling bearings.

2. The novel twin screw vent extruder for moisture venting of cable materials as claimed in claim 1, wherein: the one end surface of first screw rod (9) and second screw rod (10) all extends to the inside of installation cavity (6), shaft coupling fixed connection is passed through with the one end surface of pivot to the one end surface of first screw rod (9), the one end surface fixed connection of second screw rod (10) is from the driving wheel, the action wheel with pass through belt transmission from the driving wheel and be connected.

3. The novel twin screw vent extruder for moisture venting of cable materials as claimed in claim 1, wherein: the outer surfaces of one ends of the first screw (9) and the second screw (10) are respectively and fixedly connected with a first cam (11) and a second cam (12), and the outer surfaces of the first screw (9) and the second screw (10) are movably sleeved with an extrusion block (13).

4. The novel twin screw vent extruder for moisture venting of cable materials as claimed in claim 3, wherein: and one end surface of each extrusion block (13) is fixedly connected with a push rod (14), and the two push rods (14) are respectively contacted with one end surfaces of the first cam (11) and the second cam (12).

5. The novel twin screw vent extruder for moisture venting of cable materials as claimed in claim 3, wherein: the inner surface of one end of the operation cavity (8) is provided with sliding grooves (15), the inner walls of the two sliding grooves (15) are slidably inserted with sliding blocks (16), and one side surface of each sliding block (16) is fixedly connected with one side surface of the extrusion block (13).

6. The novel twin-screw vented extruder for moisture venting of cable materials of claim 5, wherein: one end surface of the operation cavity (8) is fixedly connected with a pressure spring (17), and one end free end of the pressure spring (17) is fixedly connected with the other side surface of the sliding block (16).

7. The novel twin screw vent extruder for moisture venting of cable materials as claimed in claim 1, wherein: the inner bottom wall of the operation cavity (8) is provided with a water outlet (18), the inner wall of the water outlet (18) is fixedly connected with a filter block (19), and the inner bottom wall of the operation cavity (8) is provided with a feed opening (20).