CN201174280Y

CN201174280Y - Head of extruding machine

Info

Publication number: CN201174280Y
Application number: CNU200820046040XU
Authority: CN
Inventors: 黄建为
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-04-03
Filing date: 2008-04-03
Publication date: 2008-12-31
Anticipated expiration: 2018-04-03

Abstract

The utility model relates to the wire cable processing machinery technical field, in particular relating to an extruder handpiece. The extruder handpiece comprises a handpiece body, a handpiece core, an internal mold, an external mold and a handpiece flange connected for feeding, wherein the handpiece core is embedded in an intracavity of the handpiece body; the internal mold is fixed on one end of the handpiece core, and is in coaxial butt joint with the external mold, while the external mold is fixed with an external mold sleeve which is connected with a discharging end of the handpiece core; the periphery of the handpiece body is provided with a heating plate so as to form a heating system of the handpiece body; the inside of a surrounding wall of the handpiece body is provided with a circularly communicated fluid passage so as to form a cooling system or a heating system of the handpiece body; and coordinated switching of both systems is controlled by a microcomputer. The extruder handpiece realizes double function of heating and cooling, and can control the production temperature of the handpiece at an ideal temperature within a short time, thereby effectively increasing production efficiency; one handpiece is suitable for manufacturing a plurality of sorts of insulating materials, thereby simplifying production equipment, reducing production cost and saving raw materials and manpower.

Description

A kind of extruder head

Technical field:

The utility model relates to electric wire processing equipment technical field, refers in particular to a kind of extruder head.

Background technology:

As the processing equipment of thermoplastic shaping, nowadays extruder has been widely used in electric wire processing.The work of extruder mainly is with insulating material clad metal lead periphery, thereby produces the electric wire of industry or life usefulness.Extruder focus on the head position, head generally comprises handpiece body, head core, internal mold and external mold, the insulating material that handpiece body has an inner chamber to form runner feed flow attitude squeezes gives as security circulation, and the head core mainly is to guide plain conductor to move, cooperate the tight clad metal lead of insulating material that makes liquid state by internal mold and external mold, and extrusion and tractive formation electric wire.

Yet, for different insulating material, as plastic cement, rubber, silica gel and PVC etc., heat fusion joint is inconsistent, and the liquid insulating material in the head is controlled under the desirable production temperature, and need head be heated or cools off usually, keep suitable relatively production temperature with this; And existing extruder head can not be realized the function of heating and cooling simultaneously, thereby in actual production, this class head has following defective: 1, a kind of head can only be fit to a kind of insulating material processing usually, and limitation is produced, and production cost is higher relatively; 2, often occur producing situation too high or too low for temperature, be difficult in, influence production process and efficient, also can have influence on the quality of product certainly than reaching needed production temperature in the short time.In addition, the handpiece body inner chamber of this class head mostly is the straight way type, causes the flowability shortcoming of runner, and liquid insulating material is flowability and insufficient pressure within it, so that influence the compactness of wrapping up between plain conductor and the insulating barrier, the thickness that also can occur the insulating barrier parcel sometimes differs.

Summary of the invention:

The purpose of this utility model is to provide a kind of extruder head, it can realize that heating and cooling are difunctional, so that can selectively take heating, cooling or two kinds of work to carry out simultaneously during convenient production, thereby but within a short period of time the production temperature of head is controlled within the ideal temperature.

The utility model purpose again provides a kind of extruder head, but the multiple insulating material of its match machined reaches the purpose of a tractor serves several purposes.

The another purpose of the utility model is to strengthen handpiece structure, promotes the stability of producing.

For achieving the above object, the utility model system adopts following technical scheme:

A kind of extruder head, mainly include the head flange of handpiece body, head core, internal mold, external mold and linking charging, the head core is embedded and is installed on chamber within the handpiece body, internal mold is fixedly installed in one of head core end, internal mold and external mold are coaxial docking, and external mold is fixed in an outer die casing, and this outer die casing is docked with the discharge end of handpiece body; Periphery in handpiece body is mounted with heating board, constitutes the heating system of handpiece body; Perisporium internal structure in handpiece body has the fluid passage that circulates and be communicated with, and constitutes the cooling or the heating system of handpiece body; Two system coordination break-makes are by microcomputerized control.

Such scheme further improves: the chamber is a conical cavity within the handpiece body, and tapering is 1: 15 degree, tapered direction coupling discharging direction.

Periphery in head flange and outer die casing is respectively arranged with cartridge heater, and two cartridge heater break-makes system is controlled by thermostat.

The heating board of handpiece body periphery has pressing plate to fix.

The utility model is that handpiece body is provided with heating system and cooling or heating system, and two system coordination break-makes have following beneficial effect thus by microcomputerized control:

1, realizes that heating and cooling are difunctional, so that can selectively take heating, cooling or two kinds of work to carry out simultaneously during convenient production, thereby but within a short period of time the production temperature of head is controlled within the ideal temperature, effectively enhance productivity, temperature stabilization, quality of production height.

2, a head can be suitable for multiple insulating material production, realizes multi-functional effect; Owing to realize that heating and cooling are difunctional, heating and cooling can be selected to use, thereby satisfy the production requirement of different insulative material, simplify production equipment, reduce production costs conservation and labour.

3, handpiece structure is good, can improve the quality of producing product relatively.

Description of drawings:

Accompanying drawing 1 is a structural representation of the present utility model;

Accompanying drawing 2 is the end view of the structure of Fig. 1;

Accompanying drawing 3 is the structural representation of the handpiece body of the utility model;

Accompanying drawing 4 is the end view of the handpiece body of Fig. 3

Accompanying drawing 5 is the structural representation of the head core of the utility model.

Embodiment:

Below in conjunction with accompanying drawing the utility model is further specified:

See shown in the accompanying drawing 1～5, the extruder head that the utility model provides, the head flange 5 that mainly comprises handpiece body 1, head core 2, internal mold 3, external mold 4 and linking charging, there is funnel-form material chamber at head flange 5 middle parts, the charging aperture of the port butt joint handpiece body 1 in this material chamber, form to be communicated with, through the liquid material of pressurization within head flange 5 input handpiece bodies 1 in the chamber 11.

Head core 2 is embedded and is installed on chamber 11 within the handpiece body 1, and the internal chamber wall of head core 2 and handpiece body 1 leaves the gap, forms the runner of liquid material.Shown in Figure 3, chamber 11 is a conical cavity within the handpiece body 1, tapering equals 1: 15, tapered direction coupling discharging direction, when Jia Ya liquid material was flowed through within the handpiece body 1 chamber 11 like this, raw material all around was to draw in toward the axis gradually, and pressure suitably improves, density also increases, and the liquid material that squeezes around giving as security in the chamber evenly distributes.The existence of tapering also can improve the flowability of raw material, makes production more smooth and easy.The outer end of head core 2 also is connected to a head plug 21, head plug 21 and the 2 coaxial installations of head core, and both middle parts form the traction passage of plain conductor, and promptly plain conductor wears head plug 21 and head core 2 inside.

Internal mold 3 is fixedly installed in one of head core 2 end, promptly inner, internal mold 3 has middle through hole to pass for plain conductor, and internal mold 3 is coaxial docking with external mold 4, there is horn mouth butt joint internal mold 3 external mold 4 the inners, are wrapped up by liquid material just when plain conductor navigates within this horn mouth, subsequently together by the crowded signature hole extrusion molding of external mold 4, also just realize plain conductor outsourcing insulating material, obtain the electric wire of industry or life usefulness.External mold 4 is fixed in an outer die casing 6, this outer die casing 6 is docked with the discharge end of handpiece body 1, install for adjustable between outer die casing 6 and the handpiece body 1, as adopt the mode of adjusting screw, and reach outer die casing 6 thus and accurately dock with handpiece body 1, reduce the slit, guarantee that raw material is smooth and easy in internal flow, guarantee effectively that also raw material is evenly distributed in the inner space, evenly distribute, avoid pressure reduction occurring and influence density even be centered around plain conductor periphery liquid charging stock.In the present embodiment, the docking port of the inner chamber of outer die casing 6 size is consistent with the outlet size in chamber 11 within the handpiece body 1, and the inner chamber of outer die casing 6 also is a conical design, and tapering is greater than the tapering in chamber 11 within the handpiece body 1.

The periphery of handpiece body 1 is mounted with heating board 12, constitutes the heating system of handpiece body 1; Perisporium internal structure in handpiece body 1 has the fluid passage 13 that circulates and be communicated with, and constitutes the cooling or the heating system of handpiece body 1; Two system coordination break-makes are by microcomputerized control.Heating system is to adopt relay and thermostat to cooperate control, cooling or heating system are to adopt electromagnetically operated valve and thermostat to cooperate control, and microcomputer to be the data that receive thermostat and provide carry out Treatment Analysis and instruct driving two system coordination break-makes, thereby realize controlling automatically.In the present embodiment, fluid passage 13 can feed cooling fluid, also can be used for feeding and add geothermal liquid, cooling fluid can reach the cooling effect, add geothermal liquid and can make the body temperature of handpiece body 1 rise to uniform temperature, promptly also can utilize fluid passage 13 to heat, this situation is applicable to producing the not high raw material of temperature requirement, hence one can see that, and fluid passage 13 has multipurpose, is not that limitation is used.Heating and cooling can be selected to use, and also can carry out heating and cooling simultaneously, thereby effectively control the production temperature of head, and temperature control is timely, the efficient height satisfies the production requirement of different insulative material, a tractor serves several purposes, simplify production equipment, reduce production costs conservation and labour.

The heating board 12 of handpiece body periphery has pressing plate 14 fixing, easy for installation, quick, also is convenient to safeguard.The fluid passage 13 of handpiece body 1 is to be formed by the multistage through hole that is interconnected, and fluid passage 13 distributes around handpiece body inner chamber 11, can evenly cool off the liquid material of inner chamber 11 when cooling is used, and heating can promote temperature when using fast, equably.Fluid passage 13 can feed cooling water or cooling wet goods liquid coolant, adds geothermal liquid and can feed when being used to heat, as hot water, deep fat etc.

Being respectively arranged with

cartridge heater

51 and 61, two

cartridge heaters

51 and 61 break-makes system in the periphery of head flange 5 and outer die casing 6 is controlled by

thermostat.Cartridge heater

51 and 61 effect are the liquid materials that suitably heating is flowed through, and can prevent because the situation of liquid material temperature reductions that thermal losses caused, and guarantee that production carries out sustainedly and stably.

But the head that the utility model provides is quick control production temperature not only, enhances productivity, and control temperature stabilization, accurate; Produce effective design of runner, make the wrapped with insulation plain conductor tightr, the smooth surface of gained electric wire, the thickness of insulating barrier is even, and product quality is higher.The head that the utility model provides can realize that heating and cooling are difunctional, use or use together adding man-hour optional selecting, thereby can be fit to multiple insulating material production and processing, as plastic cement, rubber, silica gel or PVC etc., can thereby not change other head production in addition because of the former of the needed production temperature of each material, simplify and produce, also improve usage ratio of equipment relatively, reduce cost.Certainly during actual production, head core 2 can be replaced relatively and head plug 21 can be produced dissimilar electric wires.

Claims

1, a kind of extruder head, mainly include the head flange (5) of handpiece body (1), head core (2), internal mold (3), external mold (4) and linking charging, head core (2) is embedded and is installed on chamber (11) within the handpiece body (1), internal mold (3) is fixedly installed in one of head core (2) end, internal mold (3) is coaxial docking with external mold (4), and external mold (4) is fixed in an outer die casing (6), this outer die casing (6) is docked with the discharge end of handpiece body (1), it is characterized in that: the periphery in handpiece body (1) is mounted with heating board (12), constitutes the heating system of handpiece body (1); Perisporium internal structure in handpiece body (1) has the fluid passage (13) that circulates and be communicated with, and constitutes the cooling or the heating system of handpiece body (1), and heating system and cooling or heating system are coordinated break-make by microcomputerized control.

2, extruder head according to claim 1 is characterized in that: chamber (11) are a conical cavity within the handpiece body (1), and tapering is 1: 15, tapered direction coupling discharging direction.

3, extruder head according to claim 1 is characterized in that: the periphery in head flange (5) and outer die casing (6) is respectively arranged with cartridge heater (51) and (61), and two cartridge heaters (51) and (61) break-make system are controlled by thermostat.

4, extruder head according to claim 1 is characterized in that: the heating board of handpiece body periphery (12) has pressing plate (14) fixing.