CN102543319B - Material flow divider for flat cable - Google Patents
Material flow divider for flat cable Download PDFInfo
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- CN102543319B CN102543319B CN 201210053949 CN201210053949A CN102543319B CN 102543319 B CN102543319 B CN 102543319B CN 201210053949 CN201210053949 CN 201210053949 CN 201210053949 A CN201210053949 A CN 201210053949A CN 102543319 B CN102543319 B CN 102543319B
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- eddy current
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- mixed flow
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- 239000000463 material Substances 0.000 title claims abstract description 42
- 230000007704 transition Effects 0.000 claims 1
- 238000001125 extrusion Methods 0.000 abstract description 15
- 238000007493 shaping process Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 18
- 239000004033 plastic Substances 0.000 description 13
- 229920003023 plastic Polymers 0.000 description 13
- 238000000465 moulding Methods 0.000 description 11
- 238000013461 design Methods 0.000 description 7
- 238000005452 bending Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 230000008719 thickening Effects 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 206010019233 Headaches Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002742 anti-folding effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003000 extruded plastic Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000012771 pancakes Nutrition 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The invention relates to an extrusion device of a flat cable. The invention aims at providing a material flow divider used in a flat cable manufacturing device. With the material divider, the flat embryonic form of the cable can be formed before shaping. For realizing the aim, the material divider is in a tubular shape integrally, and is closely matched with the periphery of a machine head of an extrusion machine; the upper end of the material flow divider is provided with a feeding port, and a main runner communicated with the feeding port; at the feeding port, a flow dividing platform is arranged so as to separate the main runner, and the flow dividing platform is arranged on two symmetrical surfaces of the same tube body; the bottom of the main runner is provided with a vortex bend, and the rear end of the bend is connected with a plane expansion groove; the plane expansion groove is triangular, and the apex of the plane expansion groove faces towards the vortex bend; the tail end of the plane expansion groove is provided with a line-styled flow mixing groove; two line-styled flow mixing notches are corresponding to each other; the tail end and the central position of the tube body are provided with a square groove for placing an internal mold core of the cable corresponding to the line-styled flow mixing notches, and the square grooves for placing the internal mold core ofthe cable are located on a center line of the material flow divider of the flat cable.
Description
Technical field
The present invention relates to the extrusion equipment in a kind of tools of electric wire, specially refer to the extrusion equipment about flat cable.
Figure viewed from behind technology
At present, electric wire manufacturing processing oversheath is extruded the general extrusion molding machine head as shown in Figure 1 that adopts of operation and is carried out extrusion moulding processing.Its structure and process principle are: crosshead body, be with heating system outward, and protect and fixedly extrude the position of directed movement, make plastics keep plasticizing and directed transfer in Continuous Extrusion Process.Plastics from the runner mouth clamp-oned the runner that joins with it by plastic extruding machine, runner is designed to the groove that round and smooth bending turns to, plastics are transformed into horizontal direction along the direction of trunk runner from vertical direction, plastics are shunted by the position of movement in moving row process simultaneously, because movement is a cylinder, so plastics form a ring-like stream of plastic at the position of core shift plate, moulding outer die casing and head interface.Material stream enters into the moulding external mold along the cylindrical space between core rod and outer die casing, type shape by collar extension and follow-up cooling device are extruded plastic shape-forming core rod control core position outer surface, when core rod and outer die casing, when external mold has skew, need by the tuningout screw, from the up and down, four orientation, left and right are given to adjust the position and are in together on an axle center, reach the not purpose of core shift, thereby form electric wire extrusion molding process.This mode is the extrusion molding of suitable round cable, also needs simultaneously manually repeatedly tuningout to be operated.
In the electric power and communication control system in modern times, as logistics system, elevator device, construction, control system, in the plant equipment such as mechanical automation, the Comprehensive Control that often needs multi-functional composite cable to transmit.These cables are all that a plurality of functional unit cable group are combined together; when these unit combination to a time-out; be the circle of twisted synthesizing cable shape according to tradition manufacturing custom, then utilize the adjustable offset head to be extruded into the circular oversheath protection of sturdy plastics cable core around cable core.This traditional pattern often need to could satisfy at large-scale and powerful extrusion equipment, thereby increases a large amount of energy consumptions; This thick circle, need a large amount of plastics to give to fill simultaneously, wastes a large amount of plastic materials; Take up room when mounted, force the control panel extended volume and increase cost.
in addition in the high rise elevator system, construction, control system, logistics system, in the frequent mechanically moving equipment such as mechanical automation, in order to guarantee the security and stability of electric transmission performance, creep rupture life when reliability and frequent the movement, usually need to implant the steel wire reinforcement and increase the cable stretching resistance, hanging force, bending strength is come with auxiliary, these reinforcements are according to different occupation modes, need to be extruded in together different orientation from cable, and in above control system, for making mobile equipment cable not tangle kink and save the space, the general mode folding and unfolding cable that all uses the circle cylinder, this just needs the smooth rule of cable profile, the unit of control cables and reinforcement combination word order make bulk shape become flat necessitating.
Particularly in the course of processing of the crowded oversheath of this flat cable, utilize figure A tradition head:
The one, plastics are along cylindrical annular channel walk (see leading portion explanation), basic configuration is to form the cylinder annular in head, when material stream arrives the zone of die sleeve along core rod, because core rod moulding external mold is also a tapered cylinder, material stream just is able to smooth accepting, can be extended down to and reach flat purpose when molding outer die orifice at last, the outlet that have to be compulsory cuts into flat at border circular areas realizes that the flat of profile extrude.For the unit that coordinates control cables and reinforcement combination one word horizontal, oversheath is extruded uniformly around the unit core, core rod also from original cone be processed into pancake with to coordinate, make like this material fluid space of the extruding complex that becomes, be mutated into flat process and space body formation eddy current at cone, eddy current can cause in extrusion profile modelling size to be difficult to hold, and need to just can reach desirable effect through repeatedly adjusting with trial-production
The 2nd, eddy current also can cause the inhomogeneous of extrusion pressure, makes the operator be difficult to control in the tuningout process, and the time-consuming effort of taking a lot of work misses the main points eventually, and it is uneven that the outward appearance of extruding simultaneously can show often, the requirement that does not reach smooth rule.
The 3rd, traditional adjustable offset head can be made the needs of the cable of plurality of specifications model in order to satisfy a machine, is designed to movement main body and detachably docks two parts with outer forming body; The mode of this docking is due to error and the dismounting of handled easily work of machining, during often because of the conversion specification, skew appears in central point, make the plastic extrusion of profile can't be even, feasible measure is that the tuningout screw is carried out the up and down, the left and right four direction is adjusted, and in order to make the extrusion pressure homogeneous, adjusting also needs to carry out extruding under dynamic condition while adjusting, like this operant level is proposed very high requirement, also need certain adjustment process and time simultaneously.Waste a large amount of cable core semi-finished product and jacket material, improve and make energy consumption and cost.
This extrusion way in the past, after moulding, its rough surface, particularly in the debug phase, the debugging material of its waste is quite a lot of, particularly in case after shutting down, just will reset, the considerable material of wave waste again; Certainly also it doesn't matter for waste point resource, but when debugging, be too complicated really.Not high just low, otherwise just left right, be to allow people's headache really.
In this process, when making flat cable, because the docking mode of the fluid of plastic cement is different, also cause the effect of final molding different, the difference of evenness; And the mode of its moulding is the conglobate material stream of first shape in the prior art, then is squeezed into flat pattern with mould.It is so also the main cause that forms later stage platypelloid type surface irregularity.So whether another mode is arranged, connect under let us and to make platypelloid type?
Summary of the invention
Goal of the invention of the present invention is: the material diversion device of using in a kind of flat cable making apparatus is provided, utilizes it not forming flat blank before moulding.
Be achieved in that on a kind of flat cable that for completing the present invention of foregoing invention purpose with the movement of material diversion device, its integral body is tubulose, closely cooperate with the head periphery of extruder; Its upper end is provided with feeding mouth, the trunk runner that is connected with feeding mouth; It is characterized in that: at the feeding mouth place, be provided with a shunting platform, with the trunk runner separately, be located at respectively on two symmetrical of same body, the eddy current bend of establishing in the bottom of trunk runner, the rear end of bend connects the plane extended slot; Described plane extended slot is triangular shape, and it is top towards the eddy current bend; The end of described plane extended slot is provided with yi word pattern mixed flow notch; Described two yi word pattern mixed flow notches are mutually corresponding; Described body end, the center is provided with yi word pattern mixed flow notch the square groove of placing the cable inner mould core accordingly, and the square groove of described placement cable inner mould core is positioned on the center line of material diversion device of flat cable.The diverter designs band tapering of this patent is cylindric, abundant and original equipment matches, avoided changing greatly large moving, be provided with a shunting platform at feeding mouth, this shunts platform, with an original columniform material stream, two semicircle material streams have been become respectively, the place assembles strength at the eddy current bend, thereby again changes shape, and semicircle is become a platypelloid type strip material stream again; Finally enter the mixed flow notch, the sandwich cable merges with second half strip material stream; From a yi word pattern external mold out, form cable.So just, saved complicated technology in the past, first moulding round cable, then cut processing through changing to subtract, complete platypelloid type, or when cable does not also harden fully, be out of shape by force extruding; Thereby the cable of the platypelloid type that the formation shape differs, and this cable is out of shape in can using in the later stage.
Technique scheme is done further refinement, and the closing in that is connected with extended slot at the eddy current bend enters to be provided with an excessive step, is formed on the low interior degree of depth with eddy current bend and trunk runner of groove depth in the plane of flattening.The design of this programme is in order to allow swirl force strengthen; The strength that only adds the maelstrom bend just can make the stream material on the plane of flattening smooth evenly.
Technique scheme is improved further, is provided with a leg-of-mutton second diffluence boss on the median plane of extended slot.The design of this programme is that the junction at its two ends on the contrary should be thick because the two side of platypelloid type is in fact thinner, and only in this way its connection of guarantee is firm.Such design has been satisfied in the design of this scheme just, and the material that designs like this both sides is thicker, and middle material is just very thin; For cable, just like such combination, both sides are very thick; This method of salary distribution is best suited for the combination of flat cable., being enclosed by bending at cable, when the bending action such as packing up, is just that the pulling force effect is being done at the edge; Due to the edge thickening, for such action at ordinary times, the cable of thickening for the edge is the situation of ftractureing can not occur.Finally having reached neither wastes material, has reached again the effect of flat cable surface smoothing.
Technique scheme is improved further half of the degree of depth that described leg-of-mutton second diffluence boss is extended slot.arrange the second diffluence boss its objective is allow cable before moulding just by default mode, be divided into two, and then merge, when shunting or inadequate, because synthetic in a flash at cable, if previous logistics is uniformly so when synthetic, be bound to cause the edge of cable to stretch, and at cable by bending, enclose, when the bending action such as packing up, just that the pulling force effect is being done at the edge, if the edge is drawn thin or drawing crack, existence for problems of crack in use procedure after cable is inevitable, therefore, we are in shunting, to consider accordingly the situation when merging, so we have added the second diffluence boss at this, again shunted by it, material attenuation with the centre, the both sides thickening, like this in conjunction with the time, the both sides material can not stretched, if its in conjunction with the time material blocked up, only can form and become the edge and thicken, increase, and can be because of the not enough stretching phenomenon that produces of material.At this, we draw through long-term experiment, and the second diffluence projection is reaching a half of the edge degree of depth, and its best results is neither wasted material, use good looking appearance, the anti-folding of cable, and stretch-proof, the life-span is long.
Technique scheme is improved further the closing in of the inner one-tenth of described yi word pattern mixed flow notch " V " font.This programme changes yi word pattern outlet in the past, and its reason is: for the yi word pattern outlet, the problem of breakpoint can occur, that is to say, due under feeding, can cause, some part of section is material not, thereby produces the phenomenon that molding cable reveals core; Be both, the mode that in the past adopted is unidirectional discharging, that is to say, and during cable parcel inner core, be from a direction discharging, rather than as this patent, the ability Bidirectional discharging is equivalent to the two sides and merge equally.Therefore they can think, this unidirectional discharge method the breakpoint phenomenon can not occur, and merge connected mode for Bidirectional discharging, and adopted the thick juncture in intermediate thin both sides, this probably causes breakpoint, in addition, also considers the problem with the shaping dies interface.Be designed to V-shape, make on the one hand the material on both sides have to a certain degree to the center extruding, stop the breakpoint phenomenon; Two convenient and combinations shaping dies allow the effect of the convenient design of shaping dies thereby reach.
Technique scheme is improved further, described extended slot by the eddy current bend to its degree of depth of yi word pattern mixed flow notch from depth to shallow.Due to extended slot itself be one leg-of-mutton, so can be narrow at the top of triangle, comparatively speaking, it is dark that groove is wanted, otherwise there is no so large amount stream, then gradually extends and come, groove is also more and more shallow, thereby completes the auxiliary process of putting down.
Description of drawings
Fig. 1 is the head profile of prior art.
Fig. 2 is the structural representation of this patent.
Fig. 3 is the head scheme of installation of this patent.
Fig. 4 is the cutaway view of flat cable.
Embodiment
For what further make this patent clear the series of problems such as advantage, mounting means, using method are arranged, below in conjunction with accompanying drawing, patent is done further to describe.
As shown in the figure, for a complete extruder head, should comprise front apron 1, heated mould 2, movement main body 3, movement 7, internal mold 6, external mold 8, backboard 4 are wrapped in outside movement main body for heated mould in the past, and movement is positioned at movement main body inside.Described heated mould 2 is wrapped in around crosshead body 3; Movement 7 is placed in crosshead body 3.The afterbody of movement is provided with an installing hole and is used for being satisfied with to install internal mold and external mold; The charging aperture of this internal mold should be aimed at the mixed flow notch of movement.
Have drainage trough on movement, movement and outer wall require to closely cooperate; After internal mold and external mold are connected to movement in order; Movement integral body is cylindrical,, is provided with its upper end on the movement surface and is provided with feeding mouth 31, the trunk runner 71 that is connected with feeding mouth slightly with taper to the external mold direction; At the feeding mouth place, be provided with a shunting platform 72, with the trunk runner separately, be located at respectively on same cylindrical two symmetrical, be divided into straight channel 711 and eddy current bend 712 at the trunk runner, eddy current bend 712 is located at the bottom of straight channel 711, and the afterbody of bend is provided with a step 713, termination plane extended slot 73 after step; Form the layout that bend obviously is deeper than the plane extended slot; Described plane extended slot 73 is triangular shape, and it is top towards eddy current bend 712; Be provided with a leg-of-mutton second diffluence boss 731 on the median plane of extended slot; Half of the degree of depth that described leg-of-mutton second diffluence boss is extended slot; Two limit chutes 732 that the degree of depth is the same have been formed like this on the both sides of leg-of-mutton second diffluence boss.
The end of described plane extended slot 73 is provided with yi word pattern mixed flow notch 74; Described two yi word pattern mixed flow notches 74 are mutually corresponding; The closing in of the inner one-tenth of described yi word pattern mixed flow notch " V " font.Described extended slot by the eddy current bend to its degree of depth of yi word pattern mixed flow notch from depth to shallow.Described cylinder end, the center is provided with yi word pattern mixed flow notch the square groove of placing the cable inner mould core accordingly, and the square groove of described placement cable inner mould core is positioned on the center line of material diversion device of flat cable.Its internal mold just is installed in this square groove; The charging aperture of internal mold is fitted and is aimed at yi word pattern mixed flow notch.
After this such scheme assembling, the work of just can starting shooting, material enters from charging aperture, after touching movement, be divided into two stock materials streams by the shunting platform on movement rapidly, respectively from the eddy current bend of the bottom that two trunk runners flow to, assemble certain strength in the eddy current bend after, when the stream object height has gone out excessive step, just flow out from the plane of flattening, along with the broadening of the plane of flattening with shoal, material is flattened slowly, become a plane, flow to the middle attenuation of second diffluence platform material, the both sides thickening; After flowing to yi word pattern mixed flow notch, export away along V-shape, both sides are slightly squeezed to the centre, mix in internal mold, will combine after two face tundish heart yearns.From external mold out after, be a complete flat type cable.Make in this way cable, owing to being just that band shape presents when liquid (flowing) state, just can be shaped through the summary processing of external mold, therefore, be shaped easily, the knot material saving, smooth surface, the cable after shaping is durable in use.
Claims (1)
1. movement with the material diversion device of be used for making flat cable, integral body is the cylinder with tapering, closely cooperates with the head periphery of extruder; Its upper end is provided with feeding mouth, the trunk runner that is connected with feeding mouth; It is characterized in that: at the feeding mouth place, be provided with a shunting platform, with the trunk runner separately, be located at respectively on two symmetrical of same body, be provided with the eddy current bend in the bottom of trunk runner, the rear end of eddy current bend connects the plane extended slot; Closing in place that described eddy current bend is connected with the plane extended slot is provided with a transition shoulder, and the degree of depth in the extended slot of plane is lower than the degree of depth in eddy current bend and trunk runner; Described plane extended slot is triangular shape, and it is top towards the eddy current bend; Be provided with a leg-of-mutton second diffluence boss on the median plane of described plane extended slot; The height of described leg-of-mutton second diffluence boss is half of the degree of depth of plane extended slot; The end of described plane extended slot is provided with yi word pattern mixed flow notch; The closing in of the inner one-tenth of described yi word pattern mixed flow notch " V " font; Two described yi word pattern mixed flow notches are mutually corresponding; Described plane extended slot by the eddy current bend to its degree of depth of yi word pattern mixed flow notch from depth to shallow; The center of described cylinder end is provided with yi word pattern mixed flow notch the square groove of placing the cable inner mould core accordingly, and the square groove of described placement cable inner mould core is positioned on the center line of material diversion device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210053949 CN102543319B (en) | 2012-03-05 | 2012-03-05 | Material flow divider for flat cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210053949 CN102543319B (en) | 2012-03-05 | 2012-03-05 | Material flow divider for flat cable |
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| CN102543319A CN102543319A (en) | 2012-07-04 |
| CN102543319B true CN102543319B (en) | 2013-06-05 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167260B (en) * | 2014-08-06 | 2016-08-24 | 山东省农业机械科学研究院 | Cable extrusion test run technique |
| CN109659093A (en) * | 2018-11-23 | 2019-04-19 | 东莞庆龙电线电缆有限公司 | Manufacturing process of low-static-capacitance core wire for HDMI data wire |
| CN109910265A (en) * | 2019-03-07 | 2019-06-21 | 开平市宝来塑胶制品有限公司 | A plastic-coated water-belt forming machine head structure |
| CN116021742A (en) * | 2022-12-13 | 2023-04-28 | 江苏上上电缆集团有限公司 | Double-wire cable extrusion method based on self-adjusting mold double-wire cable extrusion head |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2221251Y (en) * | 1993-12-19 | 1996-02-28 | 厉章元 | Non-offset extruder head for wire and cable |
| US5767441A (en) * | 1996-01-04 | 1998-06-16 | General Cable Industries | Paired electrical cable having improved transmission properties and method for making same |
| US6651318B2 (en) * | 2001-03-30 | 2003-11-25 | Ludlow Company Lp | Method of manufacturing flexible interconnect cable |
| CN1746003B (en) * | 2005-09-26 | 2010-05-05 | 扬州亚光电缆有限公司 | Extruding nose of flat cable |
| CN2825260Y (en) * | 2005-09-26 | 2006-10-11 | 扬州亚光电缆有限公司 | Extruder head for lat cable |
| CN2866105Y (en) * | 2006-03-02 | 2007-02-07 | 魏淑荣 | Three-mould core-regulating three-layer coextrusion machine |
| JP2008123755A (en) * | 2006-11-09 | 2008-05-29 | Auto Network Gijutsu Kenkyusho:Kk | Flat cable |
| CN101752039B (en) * | 2008-12-02 | 2011-07-20 | 沈阳瑞华特种电缆有限公司 | Special die for processing and fabricating flat cable |
| CN101872664A (en) * | 2009-04-22 | 2010-10-27 | 上海旭东电工机械厂 | Flow divider for nose |
| CN201600966U (en) * | 2009-12-24 | 2010-10-06 | 广州广日电气设备有限公司 | Elevator trailing cable extrusion adjusting-free mould |
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Effective date of registration: 20160406 Address after: 215325, Jiangsu, Suzhou City, Kunshan province Zhouzhuang town on the west side of Park Avenue Patentee after: ECHU Special Wires & Cables (Kunshan) Co.,Ltd. Address before: 201399, No. 2600, Lane 88, Chuan Zhou highway, Nanhui District, Shanghai Patentee before: Shanghai ECHU Wires & Cables Co., Ltd. |