CN209813023U - Cable extruding machine aircraft nose - Google Patents

Abstract

The utility model relates to the technical field of cables, concretely relates to cable extruding machine aircraft nose. The utility model comprises a machine head body which comprises a cable inlet end and a cable outlet end, and also comprises a vacuum device and a pressurizing device, wherein the vacuum device comprises a vacuum hole, a vacuum working pipe sleeve and a closed inlet cover; the pressurizing device comprises a pressurizing hole, a pressurizing body, a pressure isolating piece and a sealed wire outlet cover, wherein the pressurizing hole is formed in the pressurizing body, the pressure isolating piece is arranged at one end of the pressurizing body, the pressure isolating piece is connected with a wire outlet end of a cable, a second cable port is formed in the pressure isolating piece, the pressurizing body is far away from one end of the pressure isolating piece and is provided with the sealed wire outlet cover, and a third cable port is formed in the sealed wire outlet cover. The utility model discloses the product inlayer is high with the combination degree on extrusion molding layer, and the extrusion molding layer is also showing through the void ratio that detects the air formation and is descending, has improved the quality of product and corresponding insulating properties of preventing.

Description

Cable extruding machine aircraft nose

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of cables, concretely relates to cable extruding machine aircraft nose.

[ background of the invention ]

In the process of manufacturing the cable, the outer insulating sheath of the cable is manufactured by extrusion molding, the extruder device is an important plastic processing machine, and most of plastic products can be produced and manufactured by means of extrusion molding. The principle is as follows: the method comprises the steps of taking solid plastic insulating particles as raw materials, heating the plastic insulating particles to be in a molten state, then conveying the plastic in the molten state to an extrusion molding machine head through pressurization, carrying out extrusion molding through an extrusion port in a specific shape, and cooling in time to rapidly shape the plastic. In order to improve the molding quality of the extruder, a vacuum extruder is provided, however, the vacuum pumping device of the extruder in the prior art mainly has the following two defects: 1. in a vacuum device of a machine head, a gap is formed at a special vacuum inlet end, so that the vacuum degree is greatly changed, and the quality of a finished product is influenced; 2. a small amount of bound water generally exists in the plastic insulating particles, so that a large amount of bubbles exist in molten plastic, the plastic is immediately cooled by water after being extruded and molded from a handpiece, and gaps are formed in the interior or on the surface of the plastic insulating particles, so that the molding quality of a product is seriously influenced; 3. especially, the extrusion molding product that metal core and sign sinle silk exist simultaneously has air gap easily, leads to the difficult reconversion of cable surface arch, has seriously influenced the qualification rate of product.

[ Utility model ] content

The invention of the utility model aims to: in order to solve the problems in the prior art, the head of the cable extruding machine is provided, the combination degree of the inner layer and the extrusion layer of a product is higher, such as the void ratio between an insulating layer and a cable or the inner layer is obviously reduced, the void ratio formed by the extrusion layer through air detection is also obviously reduced, and the quality of the product and the corresponding performance such as insulation prevention and the like are improved.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

a machine head of a cable extruding machine comprises a machine head body, wherein the machine head body is connected with an extruding material cylinder of the extruding machine, the machine head body comprises a cable inlet end and a cable outlet end, and further comprises a vacuum device and a pressurizing device, the vacuum device comprises a vacuum hole, a vacuum working pipe sleeve and a closed inlet cover, the vacuum hole is formed in the vacuum working pipe sleeve, one end of the vacuum working pipe sleeve is hermetically connected with the cable inlet end, the other end of the vacuum working pipe sleeve is provided with the closed inlet cover, and the closed inlet cover is provided with a first pipe orifice; the pressurization device comprises a pressurization hole, a pressurization body, a pressure isolation piece and a sealed outlet cover, wherein the pressurization hole is formed in the pressurization body, the pressure isolation piece is arranged at one end of the pressurization body, the pressure isolation piece is connected with the cable outlet end, a second cable port is formed in the pressure isolation piece, the pressurization body is far away from one end of the pressure isolation piece and is provided with the sealed outlet cover, and a third cable port is formed in the sealed outlet cover.

The working principle is as follows: the utility model discloses increased vacuum apparatus and the cable leading-out terminal has increased pressure device at extruding machine aircraft nose cable inlet wire front end. The vacuum device is connected with the extrusion molding machine head body, so that negative pressure is formed in the machine head body, and molten plastic can be better adsorbed on the cable when the cable is molded; the pressurizing device is added at the outlet of the cable forming, and the tightness of the plastic layer and the inner layer, particularly the metal cable, can be favorably realized by the cable wrapping, forming and pressurizing, the gap between the plastic layer and the inner layer is discharged, the bubbles in the plastic layer are discharged, and the product quality is improved. Compared with the product which is not subjected to pressure treatment, the cable subjected to pressure treatment has the advantages that the void ratio between the product bonding degree plastic layer, such as an insulating layer, and the cable or the inner layer is remarkably reduced, the void ratio formed by the insulating layer through air detection is also remarkably reduced, and the quality and the corresponding anti-insulation performance of the product are improved.

Preferably, the first pipeline opening is horn-shaped, one end of a horn-shaped large opening is connected with the closed inlet wire cover, and one end of a horn-shaped small opening extends into the vacuum working pipe sleeve.

Further optimally, elastic rubber is arranged around the horn-shaped small opening.

Preferably, the outer layer of the vacuum working pipe sleeve is provided with a heating device.

Further optimize, the pressurization body includes loudspeaker body and sharp body, and the wide mouthful direction of loudspeaker body is provided with the isolated piece of pressure, the slot of loudspeaker body with this body coupling of straight line, sharp body are kept away from the slot and are served and set up the closed wire cover that goes out, and the diameter of slot equals with sharp body diameter.

Preferably, the pressurizing body is provided with a heating device around the pressurizing body, and the heating device is preferably an electric heating wire.

Further optimized, a cable shaping mold is arranged in the center of the interior of the linear body, and the shaping mold is the same as the handpiece body.

The advantages are that: in the pressurizing device, the temperature of the cable can still keep a higher level at the moment, so that bubbles can be discharged, and the plastic of the cable can be recovered after the bubbles are discharged, so that the influence on the product quality caused by the discharge of the bubbles is prevented; there is cable design mould at sharp body inside center, further improves product quality, prevents that the bubble from discharging back cable outward appearance influential.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses at extruding machine aircraft nose cable inlet wire front end increased vacuum apparatus and the cable leading-out terminal increased pressure device. Molten plastic can be better adsorbed on the cable when the cable is formed; the pressurizing device is added at the outlet of the cable forming, and the tightness of the plastic layer and the inner layer, particularly the metal cable, can be favorably realized by the cable wrapping, forming and pressurizing, the gap between the plastic layer and the inner layer is discharged, the bubbles in the plastic layer are discharged, and the product quality is improved. Compared with a product which is not subjected to pressure treatment, the cable subjected to pressure treatment has higher bonding degree of the inner layer and the extrusion molding layer of the product, for example, the void ratio between the insulating layer and the cable or the inner layer is obviously reduced, the void ratio formed by the insulating layer through air detection is also obviously reduced, and the quality and the corresponding performance such as insulation prevention of the product are improved.

2. The first wire pipe mouth that gets into the end at vacuum apparatus's cable sets up to tubaeform, tubaeform macrostoma one end with seal the inlet wire lid and link to each other, tubaeform osculum one end to extend in the vacuum work pipe box, effectual reduction is because of the cable gets into the vacuum change of influence, guarantees that vacuum is stable.

3. In the pressurizing device, the temperature of the cable can still keep a higher level at the moment, so that bubbles can be discharged, and the plastic of the cable can be recovered after the bubbles are discharged, so that the influence on the product quality caused by the discharge of the bubbles is prevented; there is cable design mould at sharp body inside center, further improves product quality, prevents that the bubble from discharging back cable outward appearance influential.

[ description of the drawings ]

FIG. 1 is a schematic view of a head of a cable extruder of the present invention;

in the attached drawing, 1-a machine head body, 2-an extruding cylinder of an extruding machine, 11-a cable inlet end, 12-a cable outlet end, 31-a vacuum hole, 32-a vacuum working pipe sleeve, 33-a closed cable inlet cover, 41-a pressurizing hole, 42-a pressurizing body, 43-a pressure isolating piece, 44-a closed cable outlet cover, 331-a first cable pipe orifice, 441-a third cable orifice, 421-a horn body and 422-a straight line body.

[ detailed description ] embodiments

The technical solutions in the embodiments of the present invention are 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 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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example 1

A cable extruder head comprises a head body 1, wherein the head body 1 is connected with an extruder extrusion discharge barrel 2, the head body comprises a cable inlet end 11 and a cable outlet end 12, and further comprises a vacuum device and a pressurizing device, the vacuum device comprises a vacuum hole 31, a vacuum working pipe sleeve 32 and a closed inlet cover 33, the vacuum hole 31 is arranged on the vacuum working pipe sleeve 32, one end of the vacuum working pipe sleeve 32 is hermetically connected with the cable inlet end 11, the other end of the vacuum working pipe sleeve 32 is provided with a closed inlet cover 33, and the closed inlet cover 33 is provided with a first pipe orifice 331; the pressurizing device comprises a pressurizing hole 41, a pressurizing body 42, a pressure isolating piece 43 and a sealed outlet cover 44, wherein the pressurizing hole 41 is arranged on the pressurizing body 42, one end of the pressurizing body 42 is provided with the pressure isolating piece 43, the pressure isolating piece 43 is connected with the cable outlet end 12, a second cable port (not shown) is arranged on the pressure isolating piece 43, one end, far away from the pressure isolating piece 43, of the pressurizing body 42 is provided with the sealed outlet cover 44, and a third cable port 441 is arranged on the sealed outlet cover.

The first line pipe orifice 331 is in a horn shape, one end of a large horn-shaped orifice is connected with the closed wire inlet cover 33, and one end of a small horn-shaped orifice extends into the vacuum working pipe sleeve 32. Elastic rubber is arranged around the horn-shaped small opening. The outer layer of the vacuum working pipe sleeve 32 is provided with a heating device.

Pressurization body 42 includes loudspeaker body 421 and sharp body 422, and the wide mouthful of direction of loudspeaker body 421 is provided with isolated piece 43 of pressure, the narrow mouth of loudspeaker body 421 with sharp body 422 is connected, and sharp body 422 is kept away from the narrow mouth and is served and set up sealed play line lid 44, and the diameter of narrow mouth equals with sharp body diameter.

The pressurizing body 42 is provided with a heating means around the circumference, and the heating means is preferably a heating wire.

There is cable design mould in sharp body 422 inside center, and the design mould is the same with the aircraft nose body.

In this embodiment, the vacuum degree of the vacuum device is 0.4-0.6MP, and the vacuum degree of the pressurizing device is 1.2-1.6 MP.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims (5)

1. A cable extruder head comprises a head body, wherein the head body is connected with an extruding material cylinder of an extruder and comprises a cable inlet end and a cable outlet end; the pressurization device comprises a pressurization hole, a pressurization body, a pressure isolation piece and a sealed outlet cover, wherein the pressurization hole is formed in the pressurization body, the pressure isolation piece is arranged at one end of the pressurization body, the pressure isolation piece is connected with the cable outlet end, a second cable port is formed in the pressure isolation piece, the pressurization body is far away from one end of the pressure isolation piece and is provided with the sealed outlet cover, and a third cable port is formed in the sealed outlet cover.

2. The cable extruder head of claim 1, wherein said first nozzle is flared, a large flared end being connected to said closed inlet cap, and a small flared end extending into said vacuum working sleeve.

3. The cable extruder head of claim 2, wherein said flared opening is surrounded by an elastomeric rubber.

4. A cable extruder head as claimed in claim 1, wherein said vacuum working sleeve outer layer is provided with heating means.

5. The machine head of claim 1, wherein the pressurizing body comprises a horn body and a linear body, a pressure isolating member is arranged in the direction of the wide opening of the horn body, the narrow opening of the horn body is connected with the linear body, a closed wire outlet cover is arranged on one end of the linear body far away from the narrow opening, and the diameter of the narrow opening is equal to that of the linear body.