CN213798012U

CN213798012U - Universal extruder head for cable process

Info

Publication number: CN213798012U
Application number: CN202021985467.3U
Authority: CN
Inventors: 黄重园; 刘毅华
Original assignee: Guangzhou Star Conduction Technology Co Ltd
Current assignee: Guangzhou Star Conduction Technology Co Ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-07-27
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses a general extruder head of cable technology, include: the die comprises a machine head body, a material body channel, a shunt cylinder, a die core positioning seat, a die core, a die sleeve and a die tightening cover, wherein the material body channel is fixed inside the machine head body; the mold tightening cover is arranged at the head end of the material body channel, one end of the mold core positioning seat is positioned at the tail end of the shunt cylinder, and the other end of the mold core positioning seat penetrates through the shunt cylinder and then extends into an inner cavity of the mold tightening cover; the mold core is installed at the head end of the mold core positioning seat, the mold sleeve is sleeved on the mold core, and the outer wall of the mold sleeve abuts against the inner wall of the mold tightening cover. The utility model discloses can solve current extruder head, only do special supporting use to specific extruder, and can not the wide application in the extrusion of various materials, the trade look reloads in the middle of its production, need shut down and change special aircraft nose, can cause very big extravagant problem.

Description

Universal extruder head for cable process

Technical Field

The utility model belongs to the technical field of the cable is made, more specifically the general aircraft nose of extruding of a cable technology that says so relates to.

Background

The production and manufacturing industry of electric wires and cables, though only as a matching carrier, occupies the value of 1/4 in the Chinese electrical industry. The product has various types and wide application range, relates to various equipment manufacturing industries such as various electric power, buildings, communication, aerospace, ships, vehicles, motor trains, subways, intelligent automation and the like, and is closely related to various departments of national economy. The electric wire and cable is also called as artery and nerve of national economy, is a basic device which is indispensable for transmitting electric energy, transmitting information and manufacturing various motors, instruments and realizing electromagnetic energy conversion, and is a necessary basic product in modern electrification, informatization and intelligent automation society, so that the production and manufacturing of the electric wire and cable are more and more important in the development of the modern society; as a processing machine for thermoplastic molding, an extruder production technology is widely applied to the processing and manufacturing production of finished electric wires and cables. The extruder has the working principle that after different high polymer plastic insulating materials are subjected to thermoplastic softening through a heating and mechanical transmission system, rubber materials plasticized by a screw rod pass through a machine neck to a machine head flow channel connector under the action of rotary motion thrust, then pass through a mold, and complete and uniform coating of required products passing through a mold core outside a cable metal conductor is completed, so that the wire and cable products matched with modern industrial automation or household appliance installation are produced.

Specifically, the production and manufacture of the wire and the cable are closely related to the extrusion process, and the extrusion process science is a subject with high technical gold content, such as: in higher schools such as Shanghai Jing Da, Xian Jing Da, Harbin Ringchant university, Henan Ringchant institute and the like, wire and cable manufacturing specialties are all set up, the extrusion technology of the cable specialties is the most basic subject of cable production and manufacturing, and the subject educates students or enterprise training technical workers through theoretical learning and graphic decomposition to systematically master practical knowledge; aiming at cable manufacturing enterprises, the extrusion process is a key technology for the production of the wire and cable industry, and an operation technician of the extrusion process can really become a genuine operation technician only if the extrusion process has higher equipment theoretical basis and practical skill experience; in daily work, the skill can be well exerted by depending on the self-mastered theoretical knowledge and combining with practical experience; various wastes in the working link are reduced, and high-quality, qualified and safe electric wire and cable products are produced. In the extrusion process teaching and the cable production manufacturing process, the core part of the extruder is the head configuration of the extruder, which determines that in the production manufacturing, a plurality of rubber materials can better fuse conductor insulation needing to be coated and the quality guarantee of finished cables; the original traditional extruder head is only specially matched for a specific extruder; the extrusion die can not be widely applied to extrusion of various materials, the special machine head and the die are required to be replaced again when color and material are changed in the middle of production, and the machine head is replaced and the shutdown frequency is increased, so that the waste of lean production is caused.

Therefore, how to provide a universal extruder head for cable process is a problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a general aircraft nose of extruding of cable technology can solve current extruder nose, only does special supporting use to specific extruder, and can not the wide application in the extrusion of various materials, and the trade look reloads in the middle of its production need shut down and change special aircraft nose, can cause very big extravagant problem.

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

a cable process universal extruder head, comprising: a machine head body, a material body channel, a shunt cylinder, a mold core positioning seat, a mold core, a mold sleeve and a mold tightening cover, wherein,

the material body channel is fixed inside the machine head body, one end of the shunt cylinder is positioned at the tail end of the material body channel, and the other end of the shunt cylinder penetrates through the material body channel; the die cover is arranged at the head end of the material body channel, one end of the die core positioning seat is positioned at the tail end of the shunt cylinder, and the other end of the die core positioning seat penetrates through the shunt cylinder and then extends into an inner cavity of the die cover; the mold core is installed at the head end of the mold core positioning seat, the mold sleeve is sleeved on the mold core, and the outer wall of the mold sleeve abuts against the inner wall of the mold tightening cover.

Preferably, the extruder further comprises a machine neck, the machine neck is installed at the bottom end of the machine head body, a port at the bottom end of the machine neck is communicated with the extruder barrel, and a port at the top end of the machine neck is communicated with the feeding port of the flow dividing barrel.

Preferably, still include reposition of redundant personnel section of thick bamboo lock sleeve, reposition of redundant personnel section of thick bamboo lock sleeve is established on the mold core positioning seat, and is located the tail end of reposition of redundant personnel section of thick bamboo, and through the bolt with the locomotive body links to each other.

Preferably, the flow distribution cylinder further comprises an adjusting nut, wherein the adjusting nut is sleeved on the mold core positioning seat, is in threaded connection with the mold core positioning seat, and abuts against the tail end of the flow distribution cylinder locking sleeve.

Preferably, the die sleeve connecting seat is arranged at the tail end of the material body channel and sleeved outside the die cover.

Preferably, four first threaded holes are formed in the periphery of the die sleeve connecting seat at equal intervals, and bolts are connected to the first threaded holes in an internal thread mode.

Preferably, a second threaded hole is formed in the head end of the mold core positioning seat, and the mold core is in threaded connection with the second threaded hole.

The beneficial effects of the utility model reside in that:

the utility model discloses a position of back-and-forth movement mold core positioning seat and change the mold core or the die sleeve of variation in size to adapt to the difference with the thin and thick size of adjusting the electric wire and cable cladding, thereby can solve current extruder head, only do special supporting use to specific extruder, and can not wide application in the extrusion of various materials, the trade look reloading in the middle of its production, need shut down and change special aircraft nose, can cause very big extravagant problem.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

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

Fig. 2 is a schematic structural diagram of the machine head body of the present invention.

Fig. 3 is a schematic structural diagram of the material body channel of the present invention.

Fig. 4 is a schematic structural diagram of the shunt tube of the present invention.

Fig. 5 is a schematic structural diagram of the die case connecting seat of the present invention.

Fig. 6 is a schematic structural view of the locking sleeve of the shunt cylinder of the present invention.

Fig. 7 is a schematic structural diagram of the mold core positioning seat of the present invention.

Fig. 8 is a schematic structural diagram of the adjusting nut of the present invention.

Fig. 9 is a schematic structural diagram of the mold core of the present invention.

Fig. 10 is a schematic structural diagram of the die sleeve of the present invention.

Fig. 11 is a schematic structural diagram of the mold clamping cover of the present invention.

Fig. 12 is a schematic structural diagram of the neck of the present invention.

Wherein, in the figure,

1-a machine head body; 2-a material body channel; 3-a shunt cylinder; 4-die sleeve connecting seat; 5-shunt cylinder locking sleeve; 6-mold core positioning seat; 7-adjusting the nut; 8, mold core; 9-die sleeve; 10-tightening a mold cover; 11-machine neck.

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.

Referring to fig. 1-12, the present invention provides a general extruder head for cable process, comprising: the die comprises a machine head body 1, a material body channel 2, a shunt cylinder 3, a die core positioning seat 6, a die core 8, a die sleeve 9 and a die clamping cover 10, wherein the material body channel 2 is fixed inside the machine head body 1, one end of the shunt cylinder 3 is positioned at the tail end of the material body channel 2, and the other end of the shunt cylinder penetrates through the material body channel 2; the mold tightening cover 10 is arranged at the head end of the material body channel 2, one end of the mold core positioning seat 6 is positioned at the tail end of the shunt cylinder 3, and the other end of the mold core positioning seat penetrates through the shunt cylinder 3 and then extends into the inner cavity of the mold tightening cover 10; the mold core 8 is arranged at the head end of the mold core positioning seat 6, the mold sleeve 9 is sleeved on the mold core 8, and the outer wall of the mold sleeve 9 is abutted against the inner wall of the mold clamping cover 10.

The machine head body 1 is an auxiliary device for assembling each part of the machine head and is made of 45# steel special-purpose material, the material is wear-resistant, corrosion-resistant, fast in heat transfer and high in hardness, and the material has good rigidity and toughness and is beneficial to heat transfer and heat dissipation effects.

The material body channel 2 is fixed inside the machine head body 1, the machine head body 1 is in contact with the heating body, and the material body channel 2 is heated under the protection of the machine head body 1 through heat transfer, so that the problem that the material body channel 2 is directly heated to scorch the rubber material is avoided. And can ensure that the molten rubber material in the shunt cylinder 3 moves forwards under the condition of heat preservation. It is made of a special 38CrMoAlA steel nitride material and has higher smoothness.

The distributor cylinder 3 is a device for connecting the neck 11 to the material body channel 2, and the molten and plasticized material supplied from the neck 11 can be rapidly supplied to the mold through the distributor cylinder 3. The shunt cylinder 3 is made of a high-rigidity 38CrMoAlA special steel nitride material, so that smooth and fluent fluid is ensured, and the rubber material is not adhered. The melted and plasticized rubber material can quickly perform linear thrust action through the material body channel 2 to form a sheet shape, and the sheet shape is subjected to glue combination molding under the pressure and thrust action of the mold core 8 and the mold sleeve 9 and is uniformly coated outside the conductor or the cable forming body to form an insulated conductor or a finished cable.

The mold core positioning seat 6 is a device for fixing the mold core 8, a second threaded hole is formed in the head end of the mold core positioning seat 6, and the mold core 8 is in threaded connection with the second threaded hole. The mold core positioning seat 6 moves back and forth to adjust the forward extension or backward retraction of the mold core 8. The mold core positioning seat 6 not only fixes the mold core 8; the inner hole diameter of the die core positioning seat 6 is also the product line passing hole diameter, and the size of the inner hole diameter determines the size of the product line passing hole diameter.

The mold core 8 and the mold sleeve 9 are necessary tools for finishing the coating of the electric wire and cable products, and the size of the mold core 8 or the mold sleeve 9 is selected according to the thickness dimension required to be coated in the technical design of the electric wire and cable. The mold core 8 and the mold sleeve 9 are made of 40Cr steel materials basically, so that the outer wall of the mold core 8 and the inner wall of the mold sleeve 9 are smooth and flat, and the surface roughness is 0.8-3.2 m.

The die sleeve 9 is arranged inside the adjusting seat 4 of the die sleeve 9, so that the die sleeve 9 can be adjusted conveniently, and the thickness of the periphery of the plasticized rubber material can be adjusted in time.

The mold clamping cover 10 is used for protecting the mold sleeve 9 and avoiding the problem that the mold sleeve 9 is pushed out by the internal pressure due to the internal thrust of the molten and plasticized rubber material.

The utility model discloses still include machine neck 11, machine neck 11 is installed in the bottom of

machine head body

1, and 11 bottom ports of machine neck are linked together with the extruder barrel, and 11 top ports of machine neck are linked together with the pan feeding mouth of reposition of redundant personnel section of thick bamboo 3. The machine neck 11 is designed in a conical shape, is connected with the extruder barrel, is provided with a clamp of the machine neck 11 flange, melts and plastifies rubber materials through the extruder barrel and the screw, and has rotary motion and linear motion through the filter plate after passing through the barrel flange and the machine neck 11 flange, so that the pressure is increased, and the melted and plastified rubber materials have larger thrust. The melted and plasticized rubber material sent from the machine neck 11 passes through the material body channel 2 to perform the linear thrust action, quickly enters the shunt cylinder 3 to form a sheet shape, is subjected to the pressure and thrust action of the mold core 8 and the mold sleeve 9 to be formed by glue combination, and is uniformly coated outside the conductor or the cable forming body to form the insulated conductor or the finished cable. The neck 11 is preferably made of 40Cr steel, has high hardness and high heat transfer effect, and can enable molten and plasticized rubber to be quickly fed into the split body and conveyed to the die through the polished and carbonized inner cavity.

The utility model discloses still establish on mold core positioning seat 6 including reposition of redundant personnel section of thick bamboo lock sleeve 5, reposition of redundant personnel section of thick bamboo lock sleeve 5 cover, and be located the tail end of reposition of redundant personnel section of thick bamboo 3, and link to each other with the locomotive body through the bolt. The shunt cylinder locking sleeve 5 is used for fastening the shunt cylinder, so that the problem that the shunt cylinder 3 retreats under the action of pressure when plasticized rubber flows through the conical shunt cylinder 3 is avoided.

The utility model discloses still include adjusting nut 7, adjusting nut 7 cover is established on mold core positioning seat 6 to with 6 threaded connection of mold core positioning seat, and support and lean on the tail end at reposition of redundant personnel section of thick bamboo lock sleeve 5.

The utility model discloses still include die sleeve connecting seat 4, die sleeve connecting seat 4 is installed at the tail end of material body passageway, and the cover is established in the tight die cover 10 outsides. Four first threaded holes are formed in the periphery of the die sleeve connecting seat 4 at equal intervals, and bolts are connected in the first threaded holes in an internal thread mode, so that the eccentricity of the die sleeve 9 can be adjusted conveniently, and the thickness of an insulated wire or a cable product is ensured to be uniform. The die sleeve 9 is sleeved inside the die sleeve connecting seat 4, so that the die sleeve 9 can be conveniently adjusted, and the thickness of the molten and plasticized rubber material is adjusted to be uniform by adjusting the stress of four bolts around the die sleeve 9 adjusting seat 4.

The utility model discloses a position of back-and-forth movement mold core positioning seat and change the mold core or the die sleeve of variation in size to adapt to the difference with the thin and thick size of adjusting the electric wire and cable cladding, thereby can solve current extruder head, only do special supporting use to specific extruder, and can not wide application in the extrusion of various materials, the trade look reloading in the middle of its production, need shut down and change special aircraft nose, can cause very big extravagant problem. The utility model discloses can be used to the teaching map discernment of wire and cable manufacturing trade skill training and extrusion technology, have better intuitional cognition, promote technical personnel memory and practice assembly technical ability.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A cable process universal extruder head, comprising: a machine head body, a material body channel, a shunt cylinder, a mold core positioning seat, a mold core, a mold sleeve and a mold tightening cover, wherein,

2. The general extruder head for cable process according to claim 1, further comprising a machine neck, wherein the machine neck is mounted at the bottom end of the machine head body, a port at the bottom end of the machine neck is communicated with the extruder barrel, and a port at the top end of the machine neck is communicated with the feeding port of the shunt barrel.

3. The universal extruder head for cable processes according to claim 1, further comprising a shunt cylinder locking sleeve, wherein the shunt cylinder locking sleeve is sleeved on the mold core positioning seat, is located at the tail end of the shunt cylinder, and is connected to the head body through a bolt.

4. The universal extruder head for cable processes according to claim 3, further comprising an adjusting nut, wherein the adjusting nut is sleeved on the mold core positioning seat, is in threaded connection with the mold core positioning seat, and abuts against the tail end of the shunt cylinder locking sleeve.

5. The extrusion head as claimed in claim 1, further comprising a die sleeve connecting seat mounted at the rear end of the material body passage and sleeved outside the die cover.

6. The universal extruder head for cable processes according to claim 5, wherein four first threaded holes are arranged at equal intervals on the periphery of the die sleeve connecting seat, and a bolt is connected to the first threaded holes in an internal thread mode.

7. The universal extruder head for cable processes according to claim 1, wherein the head end of the mold core positioning seat is provided with a second threaded hole, and the mold core is screwed in the second threaded hole.