CN210211294U

CN210211294U - Screw rod assembly of optical cable extruder

Info

Publication number: CN210211294U
Application number: CN201921026110.XU
Authority: CN
Inventors: Tianci Zheng; 郑天赐
Original assignee: Baichuan Century Tianjin Communication Technology Co Ltd
Current assignee: Baichuan Century Tianjin Communication Technology Co Ltd
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-03-31
Anticipated expiration: 2029-07-03

Abstract

The utility model discloses an optical cable extruder screw component, which comprises a spiral cylinder and two conical screws, wherein two spiral grooves are arranged in the spiral cylinder, the two spiral grooves are connected through a combined groove, filling compensation mechanisms are arranged on two sides in the spiral cylinder, a movable mandrel is arranged in each conical screw, each filling compensation mechanism comprises filling grooves arranged on two sides in the spiral cylinder, temperature compensation seats are arranged in the two filling grooves, each temperature compensation seat is internally provided with a compensation groove, the compensation grooves are divided into a heating chamber and a cooling chamber through a heat insulation plate, a plurality of resistance sheets are arranged in the heating chamber, a plurality of semiconductor refrigeration sheets are connected in the cooling chamber, the outer wall of each filling groove is connected with an accumulation groove, an assembly groove is arranged in each conical screw, the screw component performs temperature compensation on extruded materials in the spiral cylinder through the built-in filling compensation mechanisms, the stability of material temperature is guaranteed, and the screw rod is easily dismantled, is convenient for use for a long time.

Description

Screw rod assembly of optical cable extruder

Technical Field

The utility model relates to an extruder technical field specifically is an optical cable extruder screw rod subassembly.

Background

In the production and preparation of the optical cable, the surface layer plastic is coated by an extruder, generally speaking, the working mechanism of the screw extruder depends on the pressure and shearing force generated by the rotation of a screw, so that materials can be fully plasticized and uniformly mixed, and the mixture is molded through a die. The screw assembly of a screw extruder is an important part and plays an important role in the extrusion work.

However, the existing screw components of the twin-screw extruder mainly have the following defects:

(1) the general screw rod is directly inserted into the spiral cylinder, the temperature of materials can be changed when the extrusion work is carried out, the traditional screw rod component can not carry out temperature compensation, and the extrusion quality of the optical cable is easily influenced;

(2) the screw rod of traditional extruder all adopts the integral type structure, is difficult to dismantle, in case damage just will whole change, influences the utilization efficiency of screw rod.

Disclosure of Invention

In order to overcome the not enough of prior art scheme, the utility model provides an optical cable extruder screw rod subassembly carries out temperature compensation to the inside extrusion material of spiral section of thick bamboo through built-in packing compensation mechanism, guarantees material temperature's stability, and the screw rod is easily dismantled moreover, is convenient for use for a long time, can the effectual problem that the solution background art provided.

The utility model provides a technical scheme that its technical problem adopted is:

an optical cable extruder screw assembly comprises a spiral cylinder and two conical screws, wherein two spiral grooves are formed in the spiral cylinder, the two spiral grooves are connected through a combination groove, filling compensation mechanisms are arranged on two sides of the interior of the spiral cylinder, and a movable mandrel is arranged in each conical screw;

fill compensation mechanism including installing the filling groove in the inside both sides of spiral section of thick bamboo, fill inslot wall and be provided with heat conduction silicone grease, two inside temperature compensation seats of all installing of filling inslot, the inside compensation groove that is provided with of temperature compensation seat, the inside heating chamber and the cooling chamber of divideing into through the heat insulating board of compensation inslot, heating chamber internally mounted has the resistance card that a plurality of runs through the compensation groove, cooling chamber internally connected with a plurality of runs through the semiconductor refrigeration piece of compensation groove outer wall, the filling groove outer wall is connected with accumulation groove, accumulation groove is connected with the filling groove through the conduction-on pipe, the inside equipment groove that is provided with of conical screw, a plurality of bulge is evenly installed to movable dabber outer wall.

Furthermore, the equipment inslot wall is provided with the spacing groove that a plurality of and protruding piece size match, activity dabber center department installs the solenoid post, and the inside magnetic conductive sheet that all installs of each protruding piece.

Furthermore, the surface of the conical screw is provided with a spiral protrusion sheet, and the inner wall of the spiral protrusion sheet is uniformly connected with a plurality of protrusion strips.

Further, spiral cylinder surface mounting has removable cover, and the activity dabber end all is connected with the transmission shaft, and spiral cylinder surface is provided with thermal barrier coating.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a material of packing compensation mechanism inside to the spiral shell section of thick bamboo carries out stable compensation for the extruder is in the stable state all the time at the in-process of extruding the material, when improving material shaping quality, also is convenient for after accomplishing extrusion work, carries out cooling work;

(2) the utility model discloses utilize the movable mandrel of installation to realize conical screw's demountable installation, convenient to use when conical screw takes place wearing and tearing, is convenient for carry out the local change.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the spiral cylinder of the present invention;

fig. 3 is a schematic view of the cross-sectional structure of the conical screw of the present invention.

Reference numbers in the figures: 1-a spiral cylinder; 2-a conical screw; 3-spiral groove; 4-a bonding groove; 5-a filling compensation mechanism; 6-movable mandrel; 7-assembling the groove; 8-spiral convex pieces; 9-raised strips; 10-a removable cover plate; 11-a drive shaft; 12-thermally conductive silicone grease;

501-filling the groove; 502-temperature compensation seat; 503-compensation groove; 504-a heat insulation plate; 505-a heating chamber; 506-a cooling chamber; 507-resistance cards; 508-semiconductor chilling plates; 509-accumulation tank; 510-a conducting tube;

701-raised blocks; 702-a limiting groove; 703-solenoid post; 704-magnetically permeable sheet.

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.

As shown in fig. 1 to 3, the utility model provides an optical cable extruder screw assembly, which comprises a spiral cylinder 1 and two conical screws 2, wherein two spiral grooves 3 are arranged in the spiral cylinder 1, the two spiral grooves 3 are connected through a combination groove 4, filling compensation mechanisms 5 are arranged at two sides in the spiral cylinder 1, and movable mandrels 6 are arranged in the conical screws 2, the temperature compensation is carried out on the material in the spiral cylinder 1 through the filling compensation mechanisms 5 arranged in the spiral cylinder 1, thereby more accurately and reasonably controlling the temperature of the material, improving the molding quality of the material in the screw extruder, meanwhile, the movable mandrels 6 which can be movably disassembled are arranged in the conical screws 2, and when the combined use is realized, the disassembly is convenient, even if the conical screws 2 are locally worn, the movable mandrels 6 in the inner part can still be normally used, the utilization rate of the conical screw 2 is improved.

The filling compensation mechanism 5 comprises filling grooves 501 arranged on two sides in the spiral tube 1, heat-conducting silicone grease 12 is arranged on the inner wall of each filling groove 501, temperature compensation seats 502 are arranged in the two filling grooves 501, compensation grooves 503 are arranged in the temperature compensation seats 502, the compensation grooves 503 are divided into a heating chamber 505 and a cooling chamber 506 through heat insulation plates 504, a plurality of resistance sheets 507 penetrating through the compensation grooves 503 are arranged in the heating chamber 505, a plurality of semiconductor refrigeration sheets 508 penetrating through the outer wall of the compensation grooves 503 are connected in the cooling chamber 506, an accumulation groove 509 is connected to the outer wall of the filling groove 501, the accumulation groove 509 is connected with the filling grooves 501 through a conduction pipe 510, after materials enter the spiral grooves 3 in the spiral tube 1, screw extrusion work is carried out under the rotation action of the internal conical screw 2, and the temperature of the materials in the spiral grooves 3 may change during the extrusion work, at the moment, temperature compensation is carried out through the filling compensation mechanism 5, when the temperature is too high, the semiconductor refrigeration piece 508 in the cooling chamber 506 works, the resistance piece 507 in the heating chamber 505 does not work, the refrigeration quantity generated by the semiconductor refrigeration piece 508 is transmitted into the liquid in the filling groove 501 through the temperature compensation seat 502, and the liquid is heated, so that the heat is transmitted into the material in the spiral groove 3 through the heat-conducting silicone grease 12 to cool the material; and when the material temperature is lower, the semiconductor refrigeration sheet 508 in the cooling chamber 506 stops working, the resistance sheet 507 in the heating chamber 505 starts heating, and after the heat of the resistance sheet 507 is transmitted into the filling groove 501, the heat is transmitted into the material in the spiral groove 3 through the heat-conducting silicone grease 12, so that the temperature compensation work is realized, the material in the spiral groove 3 is always in a stable temperature range, and the material forming quality is improved.

On the other hand, when not needed, the liquid in the filling tank 501 can be directly pumped into the accumulation tank 509 through the conduit 510, which is more convenient for use.

It should be added that the interior of the conical screw 2 is provided with an assembly groove 7, the outer wall of the movable mandrel 6 is uniformly provided with a plurality of convex blocks 701, the inner wall of the assembling groove 7 is provided with a plurality of limiting grooves 702 matched with the protruding blocks 701 in size, the center of the movable mandrel 6 is provided with an electromagnetic coil column 703, and the inside of each protruding block 701 is provided with a magnetic conductive sheet 704, in specific use, the movable mandrel 6 is inserted into the conical screw 2 through the assembly slot 7, and then after the solenoid rod 703 is energized, the magnetic effect generated by the magnetic field is transmitted to the outer wall of the raised post 704 through the plate 704, so that the raised post 704 and the inner wall of the spacing groove 702 can be tightly attached to the smoke, therefore, the movable core shaft 6 is stably installed, the movable core shaft 6 is convenient to disassemble, the conical screw 2 is convenient to replace when being worn, and the whole body does not need to be replaced.

2 surface mounting of conical screw has spiral protruding piece 8, and 8 inner walls of spiral protruding piece evenly are connected with a plurality of protruding strip 9, and the contact area of the spiral protruding piece 8 on conical screw 2 surface through the increase of a plurality of protruding strips 9 and material improves and extrudes the effect.

It is further explained that, removable cover 10 is installed on the surface of spiral cylinder 1, is convenient for feed and observe, and the end of movable mandrel 6 all is connected with transmission shaft 11, and spiral cylinder 1 surface is provided with thermal barrier coating, prevents that the heat from transmitting to the outside, and thermal barrier coating adopts aerogel felt material.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an optical cable extruder screw rod subassembly which characterized in that: the spiral tube filling machine comprises a spiral tube (1) and two conical screws (2), wherein two spiral grooves (3) are formed in the spiral tube (1), the two spiral grooves (3) are connected through a combination groove (4), filling compensation mechanisms (5) are installed on two sides in the spiral tube (1), and a movable mandrel (6) is installed in each conical screw (2);

the filling compensation mechanism (5) comprises filling grooves (501) arranged on two sides inside a spiral tube (1), heat-conducting silicone grease (12) is arranged on the inner wall of each filling groove (501), temperature compensation seats (502) are arranged inside the two filling grooves (501), compensation grooves (503) are arranged inside the temperature compensation seats (502), the compensation grooves (503) are divided into a heating chamber (505) and a cooling chamber (506) through heat insulation plates (504), a plurality of resistor discs (507) penetrating through the compensation grooves (503) are arranged inside the heating chamber (505), a plurality of semiconductor refrigeration discs (508) penetrating through the outer walls of the compensation grooves (503) are connected inside the cooling chamber (506), an accumulation groove (509) is connected to the outer wall of each filling groove (501), the accumulation groove (509) is connected with the filling grooves (501) through a conduction pipe (510), and an assembly groove (7) is arranged inside a conical screw (2), a plurality of protruding blocks (701) are uniformly arranged on the outer wall of the movable mandrel (6).

2. A cable extruder screw assembly according to claim 1, wherein: the inner wall of the assembling groove (7) is provided with a plurality of limiting grooves (702) matched with the protruding blocks (701) in size, the center of the movable mandrel (6) is provided with an electromagnetic coil column (703), and a magnetic conductive sheet (704) is arranged inside each protruding block (701).

3. A cable extruder screw assembly according to claim 1, wherein: the surface of the conical screw rod (2) is provided with a spiral protrusion piece (8), and the inner wall of the spiral protrusion piece (8) is uniformly connected with a plurality of protrusion strips (9).

4. A cable extruder screw assembly according to claim 1, wherein: spiral cylinder (1) surface mounting has removable cover (10), and movable dabber (6) end all is connected with transmission shaft (11), and spiral cylinder (1) surface is provided with thermal-insulated coating.