阅读说明：本技术 一种用于电缆的硅烷交联聚乙烯挤塑装置 (A silane crosslinked polyethylene extrusion molding device for cable ) 是由 方媛 鲁亚飞 陈亚琴 方小三 范家龙 于 2021-09-15 设计创作，主要内容包括：本发明公开了一种用于电缆的硅烷交联聚乙烯挤塑装置,包括供线部分、挤塑部分、冷却部分以及收线部分,所述供线部分用于提供电缆初成品,其包括载线箱、启动电机、出线口和预理线器,所述挤塑部分包括热塑机、排烟机、连接器以及挤塑口,所述收线部分包括次理线器、限位器、收绳辊和控制电箱。本发明的有益效果是：本装置通过在冷却水槽外设置烘箱结构,对抽出冷却水槽的电缆表面进行适当温度的抽气和烘干,通过多角度换气的方式能够将电缆表面产生的水蒸气及时的抽出,保持电缆表面的干燥,同时将烘箱导出的热气经送风管传递回预理线器,对芯材的挤压拉直过程进行预热,提升拉直效率。(The invention discloses a silane crosslinked polyethylene extrusion molding device for a cable, which comprises a wire supply part, an extrusion molding part, a cooling part and a wire collecting part, wherein the wire supply part is used for providing a cable primary finished product and comprises a wire loading box, a starting motor, a wire outlet and a wire pre-arranging device, the extrusion molding part comprises a thermoplastic machine, a smoke exhaust machine, a connector and an extrusion molding port, and the wire collecting part comprises a secondary wire arranging device, a limiting stopper, a wire collecting roller and a control electric box. The invention has the beneficial effects that: this device is through set up the oven structure outside the cooling trough, carries out bleeding and drying of appropriate temperature to the cable surface who takes out the cooling trough, and the mode of taking a breath through the multi-angle can be with timely taking out of the vapor that the cable surface produced, keeps the drying of cable surface, and the steam that derives the oven simultaneously passes through the blast pipe and transmits back the preliminary wire ware, preheats the extrusion process of flare-outing of core, promotes the efficiency of flare-outing.)

1. The utility model provides a silane crosslinked polyethylene extrusion molding device for cable, is including supplying line part, extrusion molding part, cooling part and receipts line part, its characterized in that, supply line part to be used for providing the cable just finished product, it includes year line case (1), starter motor (2), outlet (3) and reason line ware (4), the extrusion molding part is including thermoplastic machine (15), smoke ventilator (16), connector (17) and extrusion molding mouth (5), receive the line part including reason line ware (8), stopper (9), receipts rope roller (10) and control electronic box (11) once, the cable passes in proper order through reason line ware (4), extrusion molding mouth (5), cooling trough (6), oven (7), reason line ware (8) once of line ware (9) to finally twine on receiving the rope roller (10);

the cooling part comprises a cooling water tank (6) and an oven (7), the discharge end of the extrusion molding opening (5) is connected with the inlet end of the cooling water tank (6), the inlet end of the oven (7) is connected with the outlet end of the cooling water tank (6), the oven (7) is provided with a fan (12) and a dehumidifier (13), the air exhaust end of the fan (12) extends into the oven (7), the air outlet end of the fan (12) is connected with the air inlet end of the dehumidifier (13), the air outlet end of the dehumidifier (13) is communicated with the wire pre-arranging device (4) through an air supply pipe (14), a heating plate (702) is arranged in the oven (7), a heat conducting plate (703) is arranged above the heating plate (702), a plurality of air holes (704) are respectively arranged on the two sides of the oven (7) and the inner wall of the top part, the air hole (704) is used as a connecting channel between the air in the oven (7) and the fan (12).

2. A silane crosslinked polyethylene extrusion molding apparatus for cable according to claim 1, wherein: pre-reason line ware (4) are located and supply between line part and the extrusion molding part, pre-reason line ware (4) and time reason line ware (8) inside all install the compression roller of complex group, the complex is organized the compression roller sets up respectively at the upper and lower face of cable pull direction and control the side.

3. A silane crosslinked polyethylene extrusion molding apparatus for cable according to claim 2, wherein: extrusion molding mouth (5) are through connector (17) movable mounting in thermoplasticity machine (15) discharge gate department to communicate with thermoplasticity machine (15) discharge gate, smoke ventilator (16) set up the top of thermoplasticity machine (15), through the gas pocket intercommunication thermoplasticity machine (15) and smoke ventilator (16) that thermoplasticity machine (15) top set up.

4. A silane crosslinked polyethylene extrusion molding apparatus for cable according to claim 1, wherein: the cable cooling device is characterized in that notches for the entry and exit of cables are formed in two ends of the cooling water tank (6), and warm water at the temperature of 15-26 ℃ is filled into the cooling water tank (6).

5. A silane crosslinked polyethylene extrusion molding apparatus for cable according to claim 1, wherein: inferior reason line ware (8) are located the exit end of oven (7), stopper (9) set up in the end of inferior reason line ware (8), establish ties inferior reason line ware (8) and receipts rope roller (10) through stopper (9).

6. A silane crosslinked polyethylene extrusion molding apparatus for cable according to claim 1, wherein: limiting openings (701) are formed in two ends of the oven (7), and the cables are suspended between the heat conducting plate (703) and a top plate of the oven (7) through the limiting openings (701).

Technical Field

The invention relates to an extrusion molding device, in particular to a silane crosslinked polyethylene extrusion molding device for a cable, and belongs to the technical field of cable production facilities.

Background

After the primary production of the cable is finished, the surface of the cable needs to be subjected to an extrusion molding process of protecting materials, the extrusion molding is a processing method for manufacturing various cross-section products or semi-products by continuously passing through a machine head while the materials are heated and plasticized under the action of a material barrel and a screw rod of an extruder, an extrusion molding device is also used in the production and processing processes of degradable plastics, and silane crosslinked polyethylene is mainly used as a coating layer of wires and cables, a heat-resistant pipe, a hose, a film and the like. It can also be used for manufacturing high-voltage and high-frequency resistant heat-resistant insulating materials such as motors, transformers and the like, heat shrinkage films and sleeves, corrosion-resistant parts, containers, foamed plastics and the like of chemical production devices, and can also be used in high and new technical fields such as rockets, missiles and the like. In recent years, the flame retardant resin composition is widely used for various pipes (such as hot water pipes), corrosion-resistant parts of chemical production devices, containers, foamed plastics, flame retardant materials and the like.

The traditional extrusion molding device for the cable has some defects in design, firstly, a cooling water tank with the length of tens of meters or even dozens of meters is needed for the general cable extrusion molding device, a large amount of cooling water is filled in the water tank, in order to ensure that the extrusion molding shell can be completely cooled, the water tank is often designed to be longer than the actual requirement, the surface of the cable often occupies a large amount of water after being drawn out from the cooling tank, at the moment, if the cable is directly wound on a rope receiving roller, a large amount of water is accumulated on the rope roller to influence the storage quality, secondly, the general cable extrusion molding device is often straightened only through simple extrusion before the cable core enters an extrusion molding port, for the cable core which is bent for a long time, the stretching effect cannot be effectively ensured, and the bending and twisting phenomenon of the core can still occur in the subsequent injection molding and cooling processes,

disclosure of Invention

The present invention has been made to solve the above problems, and an object of the present invention is to provide a silane crosslinked polyethylene extrusion molding apparatus for a cable.

The invention realizes the purpose through the following technical scheme, and the silane crosslinking polyethylene extrusion molding device for the cable comprises a wire supply part, an extrusion molding part, a cooling part and a wire collecting part, wherein the wire supply part is used for providing a cable primary finished product and comprises a wire carrying box, a starting motor, a wire outlet and a wire pre-arranging device, the extrusion molding part comprises a thermoplastic machine, a smoke exhaust machine, a connector and an extrusion molding outlet, the wire collecting part comprises a secondary wire arranging device, a limiting stopper, a wire collecting roller and a control electric box, and the cable sequentially passes through the wire pre-arranging device, the extrusion molding outlet, a cooling water tank, an oven, the secondary wire arranging device and the limiting stopper through the wire outlet of the wire carrying box and is finally wound on the wire collecting roller;

the cooling part comprises a cooling water tank and an oven, the discharge end of the extrusion molding port is connected with the inlet end of the cooling water tank, the inlet end of the oven is connected with the outlet end of the cooling water tank, a fan and a dehumidifier are installed on the oven, the air draft end of the fan extends into the oven, the air outlet end of the fan is connected with the air inlet end of the dehumidifier, the air outlet end of the dehumidifier is communicated with the wire pre-arranging device through an air supply pipe, a heating plate is installed inside the oven, a heat conducting plate is arranged above the heating plate, a plurality of air holes are formed in the inner walls of the two sides and the top of the oven, and the air holes serve as connecting channels between air and the fan in the oven.

As a technical optimization scheme of the invention, the pre-wire arranging device is positioned between the wire supply part and the extrusion molding part, a plurality of groups of pressing rollers are respectively arranged in the pre-wire arranging device and the secondary wire arranging device, and the plurality of groups of pressing rollers are respectively arranged on the upper surface, the lower surface, the left side surface and the right side surface of the drawing direction of the cable.

As a technical optimization scheme of the invention, the extrusion molding port is movably arranged at the discharge port of the thermoplastic machine through a connector and is communicated with the discharge port of the thermoplastic machine, the smoke exhaust machine is arranged above the thermoplastic machine, and the thermoplastic machine and the smoke exhaust machine are communicated through an air hole arranged at the top of the thermoplastic machine.

As a technical optimization scheme of the invention, two ends of the cooling water tank are provided with notches for the entry and exit of cables, and the cooling water tank is filled with warm water at 15-26 ℃.

As a technical optimization scheme of the invention, the secondary wire arranging device is positioned at the outlet end of the oven, the limiting stopper is arranged at the tail end of the secondary wire arranging device, and the secondary wire arranging device and the rope collecting roller are connected in series through the limiting stopper.

As a technical optimization scheme of the invention, the two ends of the oven are provided with limiting ports, and the cable is suspended between the heat conducting plate and the top plate of the oven through the limiting ports.

The invention has the beneficial effects that: this device is through set up the oven structure outside the cooling trough, carries out bleeding and drying of appropriate temperature to the cable surface who takes out the cooling trough, and the mode of taking a breath through the multi-angle can be with timely taking out of the vapor that the cable surface produced, keeps the drying of cable surface, and the steam that derives the oven simultaneously passes through the blast pipe and transmits back the preliminary wire ware, preheats the extrusion process of flare-outing of core, promotes the efficiency of flare-outing.

Drawings

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

FIG. 2 is a schematic view showing the structure of an extrusion part of the present invention;

fig. 3 is a schematic diagram of the internal structure of the oven of the present invention.

In the figure: 1. a wire loading box; 2. starting the motor; 3. an outlet; 4. pre-arranging a wire device; 5. an extrusion molding port; 6. a cooling water tank; 7. an oven; 8. a secondary wire arranging device; 9. a stopper; 10. a rope reeling roller; 11. controlling an electric box; 12. a fan; 13. a dehumidifier; 14. an air supply pipe; 701. a limiting port; 702. heating plates; 703. a heat conducting plate; 704. a wind hole; 15. a thermoplastic machine; 16. a smoke exhaust machine; 17. a connector is provided.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-3, a silane crosslinked polyethylene extrusion molding device for a cable comprises a wire supply part, an extrusion molding part, a cooling part and a wire take-up part, wherein the wire supply part is used for providing a cable primary finished product and comprises a wire carrying box 1, a starting motor 2, a wire outlet 3 and a wire pre-arranging device 4, the extrusion molding part comprises a thermoplastic machine 15, a smoke exhaust machine 16, a connector 17 and an extrusion molding port 5, the wire take-up part comprises a secondary wire arranging device 8, a limiting stopper 9, a rope take-up roller 10 and a control electric box 11, and the cable sequentially passes through the wire outlet 3 of the wire carrying box 1, the pre-arranging device 4, the extrusion molding port 5, a cooling water tank 6, an oven 7, the secondary wire arranging device 8 and the limiting stopper 9 and is finally wound on the rope take-up roller 10; the cooling part comprises a cooling water tank 6 and an oven 7, the discharge end of an extrusion molding port 5 is connected with the inlet end of the cooling water tank 6, the inlet end of the oven 7 is connected with the outlet end of the cooling water tank 6, a fan 12 and a dehumidifier 13 are installed on the oven 7, the air exhaust end of the fan 12 extends into the oven 7, the air outlet end of the fan 12 is connected with the air inlet end of the dehumidifier 13, the air outlet end of the dehumidifier 13 is communicated with the wire pre-arranging device 4 through an air supply pipe 14, a heating plate 702 is installed inside the oven 7, a heat conduction plate 703 is arranged above the heating plate 702, a plurality of air holes 704 are formed in the inner walls of the two sides and the top of the oven 7, and the air holes 704 are used as connecting channels between the air in the oven 7 and the fan 12; the pre-wire arranging device 4 is positioned between the wire supply part and the extrusion molding part, a plurality of groups of compression rollers are respectively arranged in the pre-wire arranging device 4 and the secondary wire arranging device 8, and the plurality of groups of compression rollers are respectively arranged on the upper surface, the lower surface, the left side surface and the right side surface of the drawing direction of the cable; the extrusion molding port 5 is movably arranged at the discharge port of the thermoplastic machine 15 through a connector 17 and is communicated with the discharge port of the thermoplastic machine 15, the smoke exhaust fan 16 is arranged above the thermoplastic machine 15, and the thermoplastic machine 15 and the smoke exhaust fan 16 are communicated through an air hole arranged at the top of the thermoplastic machine 15; two ends of the cooling water tank 6 are provided with notches for the entry and exit of the cable, and warm water at 15-26 ℃ is filled in the cooling water tank 6; the secondary wire arranging device 8 is positioned at the outlet end of the oven 7, the limiting stopper 9 is arranged at the tail end of the secondary wire arranging device 8, and the secondary wire arranging device 8 and the rope winding roller 10 are connected in series through the limiting stopper 9; limiting ports 701 are arranged at two ends of the oven 7, and the cable is suspended between the heat conducting plate 703 and the top plate of the oven 7 through the limiting ports 701.

When the invention is used, all parts of the equipment are arranged in a production sequence, all lubrication points are lubricated according to the lubrication requirement of the equipment, all parts of the parts are checked to ensure that no fault exists, the whole device is powered and controlled by controlling the electric box 11, cable core materials are loaded through the wire box 1 and are led out through the wire outlet 3, the core materials firstly enter the wire pre-arranging device 4 and are stretched by the compression roller arranged in the wire pre-arranging device 4 to ensure that the core materials move smoothly in the device, then the core materials enter the extrusion molding port 5, the raw materials are heated and plasticized by the thermoplastic machine 15 and are connected with the extrusion molding port 5 through the connector 17, thermoplastic materials are extruded into the core materials, when the core materials pass through the extrusion molding port 5, the gas surface covers the thermoplastic materials to form a complete cable structure, then the cable enters the cooling water tank 6, the temperature of the surface thermoplastic materials is reduced by soaking of cooling water, the cooling water is warm water, the thermoplastic fracture caused by excessive temperature difference is avoided, then the cooled cable enters the oven 7, the heating plate 702 is electrified for heating, the generated heat can evaporate the residual water on the surface of the cable, the heating temperature can be selected to be 80 ℃, as the cable is always pulled and moved towards the rope collecting roller 10, the time of passing through the oven 7 is short, the temperature can not cause adverse effect on the surface material of the cable, the fan 12 operates in the process, the gas in the oven is extracted, the hot air and the water vapor are simultaneously extracted, and the moisture and the humidity are separated through the dehumidifier 13 (the dehumidifier 13 can select a common dehumidifier in the market, and mainly separates out the moisture in the air extracted by the fan 12), the hot air is returned to the pre-straightening device 4 through the blast pipe 14, the core material is preheated in the straightening process, the straightening efficiency is improved, then, the cable enters the secondary wire arranging device 8, is straightened again, and then is controlled to pass through a route by the limiting device 9, and is rolled into the rope collecting roller 10 stably.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.