CN216423395U

CN216423395U - Combined extrusion molding die for wire and cable processing

Info

Publication number: CN216423395U
Application number: CN202123152581.5U
Authority: CN
Inventors: 林奕群; 张学江
Original assignee: Shandong Yiqun Cable Co ltd
Current assignee: Shandong Yiqun Cable Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-05-03
Anticipated expiration: 2031-12-15

Abstract

A combined extrusion molding die for processing wires and cables comprises a core die and a mouth die; a connecting flange is arranged on the periphery of the core mold; the bottom of the core mould is provided with a conduit extending downwards; the conduit is inserted into the refrigeration water tank; a thread groove is arranged on the periphery of the core mold; the mouth mold is arranged on the core mold and is in threaded fit connection with the core mold through a thread groove; the top of the neck mold is provided with a feeding pipe; the feeding pipe extends downwards and is inserted into a cavity inside the die; a water outlet pipe is arranged on one side of the top of the neck mold; the inner part of the core mould is hollow to form a cold water cavity; the guide pipe passes through the cold water cavity upwards; the top of the core mould is provided with a feeding funnel; the bottom of the feeding funnel is provided with a telescopic part; the top of the core mould is provided with a connecting pipe which is communicated with the cold water cavity; the other end of the connecting pipe is communicated with an embedded cooling pipe inside the neck mold; the utility model discloses the cable of the different thickness of convenient adjustment position production, the cooling effect is better simultaneously, and cooling water cyclic utilization is more energy-conserving.

Description

Combined extrusion molding die for wire and cable processing

Technical Field

The utility model relates to a cable processing technology field especially relates to a wire and cable processing is with combination extrusion molding mould.

Background

The plastic extrusion molding is to heat plastic raw materials to be in a viscous flow state, form a continuous body with a cross section similar to the shape of a die through an extrusion molding die under the action of pressurization, then cool and shape the continuous body into a glass state, and obtain a plastic product with a certain geometric shape and size through cutting. In the cable processing process, the direct-current cooling water channel influences the molding effect due to the uneven cooling effect of the plastic; and is not environment-friendly enough.

In order to solve the problem, the application provides a wire and cable processing is with combination extrusion molding mould.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a wire and cable processing is with combination extrusion molding mould, the utility model discloses conveniently adjust the cable of the different thickness of position production, the cooling effect is better simultaneously, and cooling water cyclic utilization is more energy-conserving.

(II) technical scheme

In order to solve the problems, the utility model provides a combined extrusion molding die for processing wires and cables, which comprises a core die and a mouth die;

a connecting flange is arranged on the periphery of the core mold; the bottom of the core mould is provided with a conduit extending downwards; the conduit is inserted into the refrigeration water tank; a thread groove is arranged on the periphery of the core mold; the mouth mold is arranged on the core mold and is in threaded fit connection with the core mold through a thread groove; the top of the neck mold is provided with a feeding pipe; the feeding pipe extends downwards and is inserted into a cavity inside the die; a water outlet pipe is arranged on one side of the top of the neck mold; a spiral cooling pipe is arranged on the inner wall of the neck ring mold; the cooling pipe is connected with the water outlet pipe;

the inner part of the core mould is hollow to form a cold water cavity; the guide pipe passes through the cold water cavity upwards; the top of the core mould is provided with a feeding funnel; the bottom of the feeding funnel is provided with a telescopic part; the top of the conduit is connected with the telescopic part, and the conduit is communicated with the feeding hopper; the top of the core mould is provided with a connecting pipe which is communicated with the cold water cavity; the other end of the connecting pipe is communicated with an embedded cooling pipe inside the neck mold.

Preferably, a sealed rubber plug is arranged at the joint of the guide pipe and the connecting flange.

Preferably, the feed pipe is connected to the output end of the extruder.

Preferably, the feeding pipe on the mouth mold is communicated with the feeding funnel on the core mold.

Preferably, the connecting part of the feeding funnel and the guide pipe is conical; and towards the pipe ejection of compact direction, the internal diameter of feed hopper reduces gradually.

Preferably, a limiting part is installed in the guide pipe, a connecting rod is arranged at the top of the limiting part, and the connecting rod is fixedly installed on the inner wall of the feeding pipe.

Preferably, the edge of the limiting part is provided with a smooth arc-shaped surface.

Preferably, the shell of the core mould is embedded with an insulating layer.

The above technical scheme of the utility model has following profitable technological effect:

1. a feeding pipe on the neck mold extends downwards to be inserted into the neck mold, and the feeding pipe is communicated with a feeding funnel; the connecting part of the feeding pipe and the feeding hopper keeps a sealed state to prevent plastic from overflowing; when the positions of the mouth mold and the core mold are adjusted, the telescopic part can move correspondingly, and the feeding funnel is always connected with the feeding pipe.

2. The heat preservation layer is embedded in the shell of the core die, and the heat preservation layer on the core die shell can reduce heat exchange between cold water and the outside, so that a cold insulation effect is achieved, the cold water is guaranteed to be in full contact with the guide pipe for heat exchange, and extruded products are cooled.

3. The edge of locating part sets up glossy arcwall face. The edge of locating part sets up smoothly, is difficult for bonding at the in-process of extruding, and product shaping quality is better.

Drawings

Fig. 1 is the utility model provides an electric wire and cable processing is with combination extrusion molding mould's overall structure sketch map.

Fig. 2 is the bottom structure schematic diagram of the core mold in the combined extrusion molding mold for processing electric wires and cables provided by the utility model.

Fig. 3 is a schematic structural view of the combined extrusion molding die for processing electric wires and cables, wherein the die and the core die are in an unfolded state.

Fig. 4 is the utility model provides a temporal structure sketch map of bush in wire and cable processing is with combination extrusion molding mould.

Fig. 5 is a schematic view of the internal structure of the core mold of the combined extrusion molding mold for processing electric wires and cables according to the present invention.

Reference numerals: 1. a connecting flange; 2. a conduit; 3. a core mold; 4. a neck ring mold; 5. a water outlet pipe; 6. a feed pipe; 7. a connecting pipe; 8. a feed hopper; 9. a thread groove; 10. a cooling tube; 11. a limiting member; 12. a connecting rod; 13. a telescopic part; 14. a cold water chamber.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-5, the utility model provides a combined extrusion molding die for processing electric wires and cables, which comprises a core die 3 and a mouth die 4;

a connecting flange 1 is arranged on the periphery of the core mold 3; the bottom of the core mould 3 is provided with a conduit 2 extending downwards; the conduit 2 is inserted into the refrigeration water tank; a thread groove 9 is arranged on the periphery of the core mold 3; the mouth mold 4 is arranged on the core mold 3 and is in threaded fit connection with the core mold 3 through a thread groove 9; the top of the neck ring mold 4 is provided with a feeding pipe 6; the feeding pipe 6 extends downwards and is inserted into a cavity inside the mouth mold 4; a water outlet pipe 5 is arranged on one side of the top of the neck mold 4; a spiral cooling pipe 10 is arranged on the inner wall of the mouth mold 4; the cooling pipe 10 is connected with the water outlet pipe 5;

the inner part of the core mould 3 is hollow to form a cold water cavity 14; the conduit 2 passes through the cold water cavity 14 upwards; the top of the core mould 3 is provided with a feeding funnel 8; the bottom of the feed hopper 8 is provided with a telescopic part 13; the top of the conduit 2 is connected with the telescopic part 13, and the conduit 2 is communicated with the feeding funnel 8; the top of the core die 3 is provided with a connecting pipe 7, and the connecting pipe 7 is communicated with a cold water cavity 14; the other end of the connecting pipe 7 is communicated with an embedded cooling pipe 10 inside the mouth mold 4.

In an alternative embodiment, the connection of the conduit 2 to the connection flange 1 is provided with a sealed plug.

It should be noted that the pipe 2 and the connecting flange 1 are kept sealed by a rubber plug, so that the cold water cavity 14 inside the core mold 3 forms a relatively sealed structure and cannot leak; in the actual use process, a separate cold water pipeline is used for supplying water to the cold water cavity 14, and the water supply mode is from bottom to top.

In an alternative embodiment, the feed pipe 6 is connected to the output end of the extruder.

The extruder extrudes the plastic in a heating and melting state into the feeding pipe 6; facilitating further forming processing.

In an alternative embodiment, the feed tube 6 on die 4 communicates with the feed hopper 8 on the core die 3.

It should be noted that the feeding pipe 6 on the die 4 extends downwards and is inserted into the interior of the die 4, and the feeding pipe 6 is communicated with the feeding funnel 8; the connection between the feed pipe 6 and the feed hopper is kept in a sealed state, and plastic is prevented from overflowing.

In an alternative embodiment, the junction of the feed hopper 8 with the conduit 2 is tapered; and the inner diameter of the feed hopper 8 decreases gradually towards the discharge direction of the conduit 2. A limiting piece 11 is arranged in the guide pipe 2, a connecting rod 12 is arranged at the top of the limiting piece 11, and the connecting rod 12 is fixedly arranged with the inner wall of the feeding pipe 6;

it should be noted that, by rotating the mouthpiece 4, the mouthpiece 4 moves up and down with respect to the screw groove 9 on the outer periphery of the core mold 3, thereby adjusting the position; the limiting piece 11 is fixedly arranged with the inner wall of the feeding pipe 6 through a connecting rod 12; when the position of the mouthpiece 4 with respect to the core mold 3 is adjusted, the position of the stopper 11 is also changed; the connecting part of the feeding funnel 8 and the guide pipe 2 is arranged in a conical shape; and towards the pipe 2 ejection of compact direction, the internal diameter of feed hopper 8 reduces gradually, and the position of cooperation locating part 11 can change the thickness of the product of extruding.

In an alternative embodiment, a smooth curved surface is provided at the edge of the limiting member 11.

It should be noted that the edge of the limiting member 11 is smooth, and is not easy to adhere in the extrusion process, so that the product molding quality is good.

In an alternative embodiment, the shell insert of the core mold 3 is provided with an insulating layer.

It should be noted that the heat insulating layer on the shell of the core mold 3 can reduce heat exchange between cold water and the outside, so as to play a role in cold insulation, and ensure that the cold water is fully contacted with the conduit for heat exchange, thereby cooling the extruded product.

In the utility model, the position between the mouth mold 4 and the core mold 3 is adjusted according to the thickness of the cable to be processed; the mouth mold 4 is rotated, and the mouth mold 4 moves up and down relative to the thread groove 9 on the outer periphery of the core mold 3, thereby adjusting the position; the limiting piece 11 is fixedly arranged with the inner wall of the feeding pipe 6 through a connecting rod 12; when the position of the mouthpiece 4 with respect to the core mold 3 is adjusted, the position of the stopper 11 is also changed; the connecting part of the feeding funnel 8 and the guide pipe 2 is arranged in a conical shape; and towards the discharging direction of the guide pipe 2, the inner diameter of the feeding hopper 8 is gradually reduced, and the thickness of the extruded product can be changed by matching with the position of the limiting piece 11; the utility model discloses in, the edge of locating part 11 sets up glossy arcwall face. The edge of the limiting piece 11 is smooth, so that the bonding is not easy in the extrusion process, and the product molding quality is good; connecting a feeding pipe 6 on the neck mold 4 with the output end of the extruder; the extruded stream passes down through feed tube 6 into feed hopper 8; the bottom of the feeding funnel 8 is provided with an expansion part 13, and when the position of the mouth mold 4 and the core mold 3 is adjusted, the expansion part 13 can correspondingly act to ensure that the feeding funnel 8 is always connected with the feeding pipe 6; thereby extruding and molding the plastic; in the utility model, a separate cold water pipeline is used for supplying water to the cold water cavity 14, and the water supply mode is from bottom to top; the cooling water and the outer wall of the guide pipe 2 exchange heat fully, the heated water is connected with a cooling pipe 10 arranged in the neck mold 4 through a connecting pipe, and the water in the cooling pipe 10 can pre-cool the plastic extruded into the feeding pipe 6; the material is convenient to extrude. The utility model discloses the cable of the different thickness of convenient adjustment position production, the cooling effect is better simultaneously, and cooling water cyclic utilization is more energy-conserving.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A combined extrusion molding die for processing wires and cables is characterized by comprising a core die (3) and a mouth die (4);

a connecting flange (1) is arranged on the periphery of the core mould (3); the bottom of the core mould (3) is provided with a conduit (2) extending downwards; the conduit (2) is inserted into the refrigeration water tank; a thread groove (9) is arranged on the periphery of the core mould (3); the mouth mold (4) is arranged on the core mold (3) and is in threaded fit connection with the core mold (3) through a thread groove (9); a feeding pipe (6) is arranged at the top of the neck ring mold (4); the feeding pipe (6) extends downwards and is inserted into a cavity inside the neck mould (4); a water outlet pipe (5) is arranged on one side of the top of the neck mould (4); a spiral cooling pipe (10) is arranged on the inner wall of the mouth mold (4); the cooling pipe (10) is connected with the water outlet pipe (5);

the inner part of the core mould (3) is hollow to form a cold water cavity (14); the conduit (2) passes through the cold water cavity (14) upwards; the top of the core mould (3) is provided with a feeding funnel (8); the bottom of the feeding funnel (8) is provided with a telescopic part (13); the top of the conduit (2) is connected with the telescopic part (13), and the conduit (2) is communicated with the feeding hopper (8); the top of the core mould (3) is provided with a connecting pipe (7), and the connecting pipe (7) is communicated with the cold water cavity (14); the other end of the connecting pipe (7) is communicated with an embedded cooling pipe (10) in the mouth mold (4).

2. The combined extrusion molding die for processing the electric wires and the electric cables as claimed in claim 1, wherein a sealed rubber plug is arranged at the joint of the guide pipe (2) and the connecting flange (1).

3. Combined extrusion die for wire and cable processing according to claim 1, characterised in that the feeding pipe (6) is connected to the output of the extruder.

4. The combined extrusion molding die for wire and cable processing according to claim 1, wherein the feed pipe (6) of the die (4) is communicated with the feed hopper (8) of the core mold (3).

5. A combined extrusion die for wire and cable processing according to claim 1, wherein the junction of the feeding funnel (8) and the conduit (2) is tapered; and towards the discharging direction of the guide pipe (2), the inner diameter of the feeding hopper (8) is gradually reduced.

6. The combined extrusion molding die for wire and cable processing according to claim 1, wherein the guide tube (2) is provided with a limiting member (11), a connecting rod (12) is arranged on the top of the limiting member (11), and the connecting rod (12) is fixedly arranged on the inner wall of the feeding tube (6).

7. The combined extrusion molding die for wire and cable processing according to claim 1, wherein the edge of the limiting member (11) is provided with a smooth arc-shaped surface.

8. The combined extrusion molding die for wire and cable processing according to claim 1, wherein the core mold (3) is provided with an insulating layer in a shell embedding manner.