CN218730143U

CN218730143U - Electric wire and cable core wire extrusion coating device convenient to disassemble and replace

Info

Publication number: CN218730143U
Application number: CN202222947007.7U
Authority: CN
Inventors: 李汉龙; 李永川; 林佳盛
Original assignee: Guangdong Huaxin Cable Industry Co ltd
Current assignee: Guangdong Huaxin Cable Industry Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-03-24
Anticipated expiration: 2032-11-07

Abstract

The utility model relates to a wire and cable core wire extrusion coating device convenient to disassemble and replace, which comprises an inner mold, a middle mold and an outer mold which are sequentially connected in a sleeved mode from inside to outside, wherein the inner mold is provided with a feed end, a discharge end and a middle hole which is communicated with the feed end and the discharge end and is distributed in an axial direction, the middle hole is embedded into a wire nozzle, and the wire nozzle is clamped with a clamping table in the middle hole through a clamping edge to realize the positioning of the wire nozzle at the discharge end of the inner mold; inserting the guide pipe into the middle hole from the feed end of the inner die and supporting a top line nozzle, wherein the guide pipe and the line nozzle are coaxially arranged; the core wire sequentially passes through the guide pipe and the wire nozzle and then is output for extrusion coating production. The utility model has simple structure, is convenient to disassemble and assemble for replacing the nozzle, and can push out the nozzle in the opposite direction of the extrusion direction by using the extrusion channel of the extrusion device without disassembling the inner mold or waiting for the complete cooling of the extrusion device; the wire nozzles with different apertures are arranged in the middle hole of the inner die from the feeding end, and then the wire nozzles are supported by the guide pipe, so that the wire nozzles are quite convenient to disassemble and assemble, and the labor is reduced.

Description

Electric wire and cable core wire extrusion coating device convenient to disassemble and replace

Technical Field

The utility model belongs to the technical field of wire and cable production facility technique and specifically relates to a cladding device is extruded to wire and cable heart yearn.

Background

When the electric wire and the cable are produced, the periphery of a conductive core wire is required to be coated with an inner shield, an insulating layer and the like, different wire mouths are required to be matched with different outer diameters of the core wires, each wire mouth is provided with a wire passing hole matched with the core wire, the core wire penetrates through the wire mouth, and the wire mouth drives and controls the posture of outgoing wires, so that the subsequent coating quality, such as the parameters of concentricity, radial thickness and the like, is ensured. As shown in fig. 1, in the traditional wire and cable core extruding and cladding device, a wire nozzle 801 is assembled on an inner die 802 in a threaded manner, when the wire nozzle needs to be replaced, the inner die needs to be disassembled, the wire nozzle needs to be disassembled for cooling, the wire nozzle is disassembled and extruded after being stopped, time and labor are wasted, and the wire nozzle is heated to a set temperature when being started again after being assembled, so that the production process is influenced, more energy is needed, the production cost is high, and the wire nozzle is not in accordance with the development concept of economy and environmental protection.

Disclosure of Invention

An object of the utility model is to provide a cladding device is extruded to wire and cable heart yearn convenient to tear open and trade solves above-mentioned technical problem well.

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

the wire and cable core wire extrusion coating device convenient to disassemble and replace comprises an inner die, a middle die and an outer die which are sequentially connected in a sleeved mode from inside to outside, wherein the inner die is provided with a feeding end, a discharging end and a middle hole penetrating through the feeding end and the discharging end, the middle hole is embedded into a wire nozzle, and a clamping table is arranged on the inner peripheral wall, close to the discharging end, of the middle hole; the wire nozzle is provided with a convex clamping edge, and the wire nozzle is positioned at the discharge end of the inner die by clamping the clamping edge and the clamping table; a guide pipe is also assembled in the middle hole of the inner die, the guide pipe is inserted into the middle hole from the feed end of the inner die and supports a line nozzle, and the guide pipe and the line nozzle are coaxially arranged; and the core wire sequentially passes through the guide pipe and the wire nozzle and then is output for extrusion coating production.

The above scheme is further that the sum of the lengths of the guide pipe and the nozzle in the axial direction is greater than the length of the inner die in the same direction.

According to the scheme, the end, far away from the wire nozzle, of the guide pipe is provided with a radially outward protruding positioning part, and the positioning part is embedded into a preset positioning groove in the feeding end of the inner die.

The above scheme is further that an end cover is further assembled on the feeding end of the inner die, and the end cover is locked on the feeding end of the inner die through a screw and abuts against the guide pipe.

The utility model has simple structure, is convenient to disassemble and assemble for replacing the nozzle, and can push out the nozzle in the opposite direction of the extrusion direction by using the extrusion channel of the extrusion device without disassembling the inner mold or waiting for the complete cooling of the extrusion device; the wire nozzle of different apertures of packing into then follow the mesopore of feed end embedding centre form, rethread stand pipe prop up can, the dismouting is fairly convenient, reduces the manual work, accords with energy-concerving and environment-protective, has the practicality and the economic nature of preferred, is fit for the trade and utilizes widely.

Description of the drawings:

FIG. 1 is a schematic diagram of a prior art structure;

fig. 2 is a schematic structural diagram of a preferred embodiment of the present invention.

The specific implementation mode is as follows:

the conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 2, it is the utility model discloses preferred embodiment structure schematic diagram, the utility model relates to a cladding device is extruded to wire and cable heart yearn convenient to tear open and trade, including from interior to cup jointing the centre form 1 that connects in proper order outward, well mould 2 and external mold 3, be equipped with first cladding runner 101 between centre form 1 and the well mould 2, be equipped with second cladding runner 102 between well mould 2 and the external mold 3, can satisfy different cladding and extrude the periphery of cladding at heart yearn 5, of course still can increase the design mould as required, obtain corresponding cladding runner to satisfy the requirement of multilayer cladding, no longer the mapping is repeated here one by one. In this embodiment, the inner mold 1 has a feeding end, a discharging end and a central hole 11 penetrating the feeding end and the discharging end, which are distributed in the axial direction, the central hole is preferably in a stepped hole shape, and a clamping table 12 is arranged on the inner peripheral wall of the central hole close to the discharging end; the nozzle 4 is embedded in the middle hole, a convex clamping edge 41 is arranged on the nozzle 4, and the nozzle 4 is positioned at the discharge end of the inner die by clamping the clamping edge 41 and the clamping table 12; preferably, the clamping edge 41 and the clamping table 12 are both circular, so as to obtain a better contact supporting structure, and ensure that the nozzle 4 can be stably clamped at the discharge end of the inner mold. The guide pipe 6 is also assembled in the middle hole 11 of the inner die, the guide pipe 6 is inserted into the middle hole 11 from the feeding end of the inner die and supports the wire nozzle 4, and the guide pipe 6 and the wire nozzle 4 are coaxially arranged. The core wire 5 sequentially passes through the guide tube 6 and the wire nozzle 4 and then is output for extrusion coating production. This structural design can satisfy being connected of line mouth 4 and centre form 1, ensures that heart yearn 5 output cladding production to utilize the joint form of line mouth 4, can make things convenient for the dismouting to replace the line mouth simultaneously. Specifically, the guide pipe 6 is withdrawn firstly, and then the extrusion channel of the extrusion device is used for ejecting the wire nozzle in the opposite extrusion direction, so that the inner die does not need to be detached, the extrusion device does not need to be waited for complete cooling, the time for subsequent production and temperature rise is reduced, and the energy is saved. And the wire nozzle of different apertures of packing into then from the mesopore of feed end embedding centre form, rethread guide tube props up can, can realize the conversion production wire and cable of different wire footpaths from this, the wire nozzle dismouting is fairly convenient, reduces the manual work.

Referring to fig. 2, in this embodiment, the sum of the lengths of the guide tube 6 and the wire nozzle 4 in the axial direction is greater than the length of the inner mold 1 in the same direction, and the structure effectively controls the core wire 5 in the inner mold 1, so that the conditions of swinging, jumping and the like are reduced, the improvement of the coating concentricity, the radial thickness and the like of the electric wire and cable is facilitated, and the electric wire and cable with stable quality is obtained. The size of the wire passing hole in the wire nozzle 4 is matched with the outer diameter of the core wire 5 to be produced, so that when the core wires 5 with different outer diameters are produced, the wire nozzle 4 with the corresponding wire passing hole is selected, and the wire nozzle 4 is detached and replaced through the mode, so that the production process is facilitated.

Referring to fig. 2, in the present embodiment, one end of the guide tube 6 away from the nozzle is provided with a positioning portion 61 protruding radially outward, and the positioning portion 61 is embedded in a positioning groove preset on the feeding end of the inner mold. An end cover 7 is also assembled on the feeding end of the inner die, and the end cover 7 is locked on the feeding end of the inner die through a screw and is pressed against the guide pipe 6. This structure can further promote the equipment of 6 counterpoints of stand pipe, guarantees that the installation of stand pipe 6 and line mouth 4 is stable and the axiality, adopts the end cover structure simultaneously, simple structure, and the dismouting of being convenient for is favorable to tearing open the speed of trading line mouth 4, promotes production efficiency.

Although the preferred embodiments of the present invention have been described in connection with the accompanying drawings, the present invention should not be limited to the exact construction and operation as described and illustrated, and many equivalent modifications and variations of the above-described embodiments may be made by logical analysis, reasoning or limited experimentation by those skilled in the art without departing from the spirit and scope of the present invention, which should fall within the scope of the claims.

Claims

1. Wire and cable heart yearn extrusion cladding device convenient to tear open and trade, including from interior to cup joint centre form (1), well mould (2) and external mold (3) connected in proper order outward, its characterized in that: the inner die (1) is provided with a feeding end, a discharging end and a middle hole (11) which penetrates through the feeding end and the discharging end, the feeding end and the discharging end are distributed in the axial direction, the middle hole is embedded into the wire nozzle (4), and a clamping table (12) is arranged on the inner peripheral wall of the middle hole, which is close to the discharging end; the nozzle (4) is provided with a convex clamping edge (41), and the nozzle (4) is positioned at the discharge end of the inner die by clamping the clamping edge (41) and the clamping table (12); a guide pipe (6) is also assembled in the middle hole (11) of the inner die, the guide pipe (6) is inserted into the middle hole (11) from the feed end of the inner die and supports the top wire nozzle (4), and the guide pipe (6) and the wire nozzle (4) are coaxially arranged; the core wire (5) sequentially passes through the guide pipe (6) and the wire nozzle (4) and then is output for extrusion coating production.

2. The easy-to-replace electric wire and cable core extrusion coating device according to claim 1, wherein: the sum of the lengths of the guide pipe (6) and the wire nozzle (4) in the axial direction is greater than the length of the inner die (1) in the same direction.

3. The easy-to-replace electric wire and cable core extrusion coating device according to claim 1 or 2, wherein: one end of the guide pipe (6) far away from the wire nozzle is provided with a radially outward protruding positioning part (61), and the positioning part (61) is embedded into a preset positioning groove at the feeding end of the inner die.

4. The easy-to-replace electric wire and cable core extrusion coating device according to claim 3, wherein: an end cover (7) is also assembled on the feeding end of the inner die, and the end cover (7) is locked on the feeding end of the inner die through a screw and is pressed against the guide pipe (6).