CN105034338A - Surface layer co-extrusion winding pipe production equipment - Google Patents
Surface layer co-extrusion winding pipe production equipment Download PDFInfo
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- CN105034338A CN105034338A CN201510474327.7A CN201510474327A CN105034338A CN 105034338 A CN105034338 A CN 105034338A CN 201510474327 A CN201510474327 A CN 201510474327A CN 105034338 A CN105034338 A CN 105034338A
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Abstract
The invention provides surface layer co-extrusion winding pipe production equipment. The surface layer co-extrusion winding pipe production equipment comprises a machine frame and a working platform arranged on the machine frame. The surface layer co-extrusion winding pipe production equipment is characterized by further comprising a main extruder, an auxiliary extruder, a co-extrusion mouth die connected with a discharging outlet of the main extruder and the auxiliary extruder, a cooling device, a traction device, a pipe glue forming device, a guide wheel conveying mechanism and an automatic cutting device, wherein the main extruder and the auxiliary extruder are close to the front end of the machine frame; the cooling device, the traction device, the pipe glue forming device, the guide wheel conveying mechanism and the automatic cutting device are arranged at the rear end of the co-extrusion mouth die and sequentially arranged in the production direction of a winding pipe; the cooling device and the guide wheel conveying mechanism are arranged on the working platform; the traction device, the pipe glue forming device and the automatic cutting device are fixed to the machine frame. The winding pipe production equipment can fully automatically produce plastic winding pipes with the additional properties and is high in production efficiency; the production process is easy to control; produced winding pipe products are stable in quality; after the equipment is used, labor intensity of workers can be greatly relieved, the yield is greatly improved, and the equipment has good market development value.
Description
Technical field
The invention belongs to pipe forming machine tool technical field, be specifically related to a kind of top layer co-extrusion winding pipe production equipment.
Background technology
Winding pipe is a kind of employing EVA, HDPE, PE or PVC is raw material, by the novel tube that extruder hot extrusion is Wrapping formed, it is except having the features such as inner wall smooth, flow resistance be little, also there is the chemical property of stable acid and alkali resistance, salt, corrosion, and the feature such as resistance to impact is strong, as a kind of novel plastic conduit, superior wear-resisting, resist bending, warp resistance performance that EVA winding pipe has with it, the suction pipe being highly suitable for dust catcher uses.In prior art, on the one hand, plastic cement winding pipe production equipment can only the winding pipe of manufacture order Rotating fields, can not meet all in the requirement of the additional properties aspect such as antistatic, intensity, appearance luster simultaneously, govern the development of winding pipe technology; On the other hand, winding pipe forming production device of the prior art adopts semi-artificial semi-automatic mode of manufacture mostly, and production efficiency is very low, and artificial labour intensity is large, and shaped article quality is very unstable.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of top layer co-extrusion winding pipe production equipment, can the full-automatic winding pipe produced with additional properties, production efficiency is high, shaped article stay in grade, greatly reduces the labour intensity of workman.
For achieving the above object, technical scheme of the present invention is as follows: a kind of top layer co-extrusion winding pipe production equipment, comprise frame, be arranged on the workbench in frame, it is characterized in that: it also comprises the main extruder and auxiliary extruder that arrange near frame front end, respectively with described main extruder, the co-extrusion mouth mould of the discharging opening connection of auxiliary both extruders, and be arranged on described co-extrusion mouth mould rear end, and along the cooling device that winding pipe production mode reform sets gradually, draw-gear, pipe viscose glue shaped device, for drawing the guide wheel connecting gear that shaping body advances, automatic cutting device, described cooling device, guide wheel connecting gear is arranged on workbench, described draw-gear, pipe viscose glue shaped device, automatic cutting device is fixed in frame.
In a preferred embodiment of the present invention, comprise patrix and counterdie that described co-extrusion mouth mould comprises split setting further, the first glue entrance, the first glue outlet is provided with in described patrix, the second glue entrance, the second glue outlet is provided with in described counterdie, described first glue entrance is connected with the discharging opening of main extruder, the discharging opening of auxiliary extruder respectively with the second glue entrance, and after described upper die and lower die matched moulds, described first glue outlet and the second glue are gapless between exporting is arranged side by side.
In a preferred embodiment of the present invention, comprise described pipe viscose glue shaped device further to comprise extruser for adding hot-extrudable viscose material, being arranged on the mould of extruser discharge outlet, described mould comprises die holder, be fixed on and described die holder is provided with three core rods, be respectively axis from top to bottom to parallel and the pressure pipe core rod set gradually, the first stay tube core rod and the second stay tube core rod, and drive described first stay tube core rod around the driving wheel of its central axis.
In a preferred embodiment of the present invention, comprise three described core rods further and be all provided with recessed indent and convex press strip along separately axially continuous and staggered, the convex press strip of described pressure pipe core rod stretches in the recessed indent of described first stay tube core rod, the convex press strip of described first stay tube core rod stretches in the recessed indent of the second stay tube core rod, and the convex press strip of described second stay tube core rod stretches in the recessed indent of the first stay tube core rod.
In a preferred embodiment of the present invention, comprise described extruser further and comprise extruding pipe, the axial turning cylinder be located in described extruding pipe, and the first motor driving described turning cylinder to rotate around himself axis.
In a preferred embodiment of the present invention, comprise described draw-gear further to comprise along what lead that glue direction sets gradually and lead rubber tire, master turns traction wheel, turned traction wheel, with send rubber tire, the wheel shaft of four is all fixed in described frame, turned traction wheel and sent between rubber tire, and be fixed on described frame is provided with a circular orbit, being provided with one in described circular orbit can along the regulating wheel of its orbital plane movement, describedly lead rubber tire, turned traction wheel, regulating wheel, send the glue groove excessively wheel face of rubber tire being equipped with and passing through for adhesive tape, described regulating wheel is provided with the resistance switch be electrically connected with the main drive motors turning traction wheel.
In a preferred embodiment of the present invention, comprise described guide wheel connecting gear further and comprise two rows and the second motor of the guide wheel of single coaxial setting and the described guide wheel synchronous axial system of driving two row, during the two described guide wheel synchronous axial system of row, its guide wheel face forms the guide wheel transmission track of the shaping body advance of traction.
In a preferred embodiment of the present invention, the end comprising described guide wheel transmission track is further provided with contact induction device.
In a preferred embodiment of the present invention, comprise described automatic cutting device further and comprise the cutting rack be fixed in described frame, what be separately fixed at described cutting rack top and low side is provided with Cutter apron and clamp seat, described clamp seat is provided with the perforation of passing for shaping body, described Cutter apron is provided with cutting knife, drives described cutting knife along the cylinder perpendicular to perforation axis direction feed or withdrawing, described contact induction device control connection cylinder.
In a preferred embodiment of the present invention, comprise the dehydrater that described cooling device comprises bosh, is arranged on bosh end further.
The invention has the beneficial effects as follows: a kind of top layer of the present invention co-extrusion winding pipe production equipment, production that can be full-automatic is with the plastic cement winding pipe of additional properties, production efficiency is high, and controlling of production process is simple, the winding pipe product with stable quality of producing, greatly can reduce the labour intensity of workman after using, greatly improve output, there is the good market development and be worth.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in embodiment of the present invention technology, be briefly described to the accompanying drawing used required in the description of embodiment technology below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the preferred embodiment of the present invention;
Fig. 2 is the schematic perspective view not with main extruder, auxiliary extruder of the preferred embodiment of the present invention;
Fig. 3 is the structural representation of the co-extrusion mouth mould of the preferred embodiment of the present invention;
Fig. 4 is the schematic perspective view of the mould of the preferred embodiment of the present invention;
Fig. 5 is that the mould of Fig. 4 stirs the top view after 90 ° left;
Fig. 6 is the structural representation of the automatic cutting device of the preferred embodiment of the present invention;
Fig. 7 is the structural representation of the adhesive tape traction device of the preferred embodiment of the present invention;
Schematic diagram when Fig. 8 is the draw-gear traction adhesive tape of the preferred embodiment of the present invention.
Wherein: 1-frame, 11-work top; 2-main extruder, the auxiliary extruder of 22-; 3-co-extrusion mouth mould, 31-patrix, 32-counterdie, 33-first glue entrance, 34-first glue exports, 35-second glue entrance, and 36-second glue exports; 4-cooling device, 41-bosh; 5-draw-gear, 51-leads rubber tire, and 52-master turns traction wheel, and 53-is turned traction wheel, and 54-send rubber tire, 55-regulating wheel, and 56-crosses glue groove, 57-circular orbit; 6-pipe viscose glue shaped device, 61-extruser, 611-extruding pipe, 612-turning cylinder, 613-first motor, 62-mould, 621-die holder, 622-pressure pipe core rod, 623-first stay tube core rod, 624-second stay tube core rod, 625-driving wheel, the recessed indent of 626-, the convex press strip of 627-; 7-guide wheel connecting gear, 71-guide wheel, 72-contact induction device, 73-second motor; 8-automatic cutting device, 81-cutting rack, 82-Cutter apron, 83-clamp seat, 84-bores a hole, 85-cutting knife, 86-cylinder.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment
As Fig. 1, shown in 2, a kind of top layer co-extrusion winding pipe production equipment is disclosed in the present embodiment, comprise frame 1, be arranged on the workbench 11 in frame 1, it also comprises the main extruder 2 and auxiliary extruder 22 that arrange near frame front end, respectively with described main extruder 2, the co-extrusion mouth mould 3 of the discharging opening connection of auxiliary both extruders 22, and be arranged on described co-extrusion mouth mould 3 rear end, and along the cooling device 4 that winding pipe production mode reform sets gradually, draw-gear 5, pipe viscose glue shaped device 6, for drawing the guide wheel connecting gear 7 that shaping body advances, automatic cutting device 8, wherein, cooling device 4, guide wheel connecting gear 7 is arranged on workbench 11, draw-gear 5, pipe viscose glue shaped device 6, automatic cutting device 8 is fixed in frame.
Concrete, as shown in Figure 3, described co-extrusion mouth mould 3 comprises patrix 31 and the counterdie 32 of split setting, the first glue entrance 33, first glue outlet 34 is provided with in described patrix 31, the second glue entrance 35, second glue outlet 36 is provided with in described counterdie 32, described first glue entrance 33 is connected with the discharging opening of main extruder 2, the discharging opening of auxiliary extruder 22 respectively with the second glue entrance 35, gaplessly between described first glue outlet 34 and the second glue outlet 36 after described patrix 31 and counterdie 32 matched moulds is arranged side by side.
Main extruder 2 of the present invention and auxiliary extruder 22 all adopt hot-melt extruded machine, common plastic rubber material is added in the hopper of main extruder 2, the function plastic rubber material of band additional function material is added in the hopper of auxiliary extruder 22, two kinds of different sizing material hot melts are become molten state by two extruders respectively, the plastic cement liquid of two kinds of molten states enters co-extrusion mouth mould 3 respectively from the first glue entrance 33 and the second glue entrance 35, and respectively from first glue outlet 34 and second glue outlet 36 gapless converge upper lower leaf export, cool through cooling device 4, concrete, described cooling device 4 comprises bosh 41, be arranged on the dehydrater (not shown) of bosh 41 end, the glue converging lower leaf output forms the double-deck adhesive tape of upper lower leaf through water cooling, draw-gear 5 tensioning, draw double-deck adhesive tape to pipe viscose glue shaped device, double-deck adhesive tape is wound in internal layer body layer, outer additivity ergosphere, or internal layer additivity ergosphere, the shaping body of outer layers body layer, guide wheel connecting gear draws and exports shaping body, complete the shaping production of winding pipe.
Concrete, as Fig. 1, 4, shown in 5, described pipe viscose glue shaped device 6 comprises the extruser 61 for adding hot-extrudable viscose material, be arranged on the mould 62 of extruser 61 discharge outlet, described extruser 61 comprises extruding pipe 611, axially be located in the turning cylinder 612 in described extruding pipe 611, and the first motor 613 driving described turning cylinder 612 to rotate around himself axis, turning cylinder 612 rotates and viscose material extruding is formed the liquid viscose glue exported from discharging opening in extruding pipe 611, described mould 62 comprises die holder 621, be fixed on and described die holder 621 is provided with three core rods, be respectively axis from top to bottom to parallel, and the pressure pipe core rod 622 set gradually, first stay tube core rod 623, with the second stay tube core rod 624, and drive described first stay tube core rod 623 around the driving wheel 625 of its central axis, three described core rods are all provided with recessed indent 626 and convex press strip 627 along axially continuous and staggered separately, the convex press strip 627 of described pressure pipe core rod 622 stretches in the recessed indent 626 of described first stay tube core rod 623, the convex press strip 627 of described first stay tube core rod 623 stretches in the recessed indent 626 of the second stay tube core rod 624, the convex press strip 627 of described second stay tube core rod 624 stretches in the recessed indent 626 of the first stay tube core rod 623.
Based on the said structure of pipe viscose glue shaped device 6, its course of work is as follows: from bosh 41, first double-deck adhesive tape is out overlapped on the first stay tube core rod 623 under the draw of draw-gear 5, double-deck adhesive tape is drawn on the second stay tube core rod 624 when driving wheel 625 drives the first stay tube core rod 623 to rotate, after winding with one circuit, the double-deck adhesive tape of sheet becomes tubular structure, after becoming tubular structure, the first stay tube core rod 623 and the second stay tube core rod 624 prop up this unit body jointly, then the liquid viscose glue exported in extruser 61 is to glue spraying on unit body, the pressure pipe core rod 622 roll extrusion body rotated after glue spraying, roll even viscose glue.Three core rods designed by special construction, mutually intert between recessed indent 626 on it and convex press strip 627, make only to need a power source to drive the first stay tube core rod 623 to rotate, the double-layer glue bar that in first stay tube core rod 623 rotation process, one side plays rotation with one drives the second stay tube core rod 624 to rotate, double-deck adhesive tape is wound in tubular structure after rotating by the second stay tube core rod 624 together with the first stay tube core rod 623 on the other hand, both support band dynamic pressure tube core rod 622 when shaping tubular structure rotates and rotate, roll extrusion body when pressure pipe core rod 622 rotates, roll even viscose glue.Upper and lower cooperating between three core rods in the course of work, a power source is utilized to drive the first stay tube core rod 623 to rotate, the double-deck adhesive tape be wrapped on the first stay tube core rod 623 drives two other core rod to rotate while rotating with it, pressure pipe core rod 622 and the second stay tube core rod 624 can carry out real-time accommodation in forming process, cooperatively interact when rotating between three, mutual coordination, effectively can improve quality and the efficiency of shaping body, reduce driving cost simultaneously.
Concrete, as Fig. 7, shown in 8, described draw-gear comprises along what lead that glue direction sets gradually and leads rubber tire 51, master turns traction wheel 52, turned traction wheel 53, with send rubber tire 54, the wheel shaft of four is all fixed in described frame 1, turned traction wheel 53 and sent between rubber tire 54, and be fixed on described frame 1 is provided with a circular orbit 57, being provided with one in described circular orbit 57 can along the regulating wheel 55 of its orbital plane movement, describedly lead rubber tire 51, turned traction wheel 53, regulating wheel 55, send the glue groove 56 excessively wheel face of rubber tire 54 being equipped with and passing through for adhesive tape, described regulating wheel 55 is provided with the resistance switch (not shown) be electrically connected with the main drive motors turning traction wheel 52.Adhesive tape successively through leading rubber tire 51, main turn traction wheel 52, turned traction wheel 53, regulating wheel 55, send rubber tire 54 after send into mould 62, adjustment master turns the rotating speed of traction wheel 52 to adjust hauling speed on the one hand, coordinates this hauling speed after hauling speed adjustment by the tension force adjusting regulating wheel 55; On the other hand, the main rotating speed turning traction wheel 52 is finely tuned by resistance switch further according to real-time tensile force size after tensile force adjustment, entirety realizes closed-loop adjustment, wherein, the process that regulating wheel 55 adjusts tensile force is as follows: adhesive tape turned traction wheel 53 and regulating wheel 55 are pulled time, with both tangent, when the wheel shaft of regulating wheel 55 is fixed on the diverse location on circular orbit 57, adhesive tape can be adjusted and to take turns on limit by the length pullled being turned both traction wheel 53 and regulating wheel 55, reach the object of adjustment tension force.
Concrete, as shown in Figure 1, 2, described guide wheel connecting gear 7 comprises two rows and the second motor 73 of the guide wheel 71 of single coaxial setting and described guide wheel 71 synchronous axial system of driving two row, during two row's guide wheel 71 synchronous axial system, its guide wheel face forms the guide wheel transmission track that the shaping body of traction advances, guide wheel 71 rotate on the one hand to shaping body one forward pull power, on the one hand the body forward end of forming is sent.
Wherein, the end of described guide wheel transmission track is provided with contact induction device 72, as shown in Figure 6, described automatic cutting device 8 comprises the cutting rack 81 be fixed in described frame 1, what be separately fixed at described cutting rack 81 top and low side is provided with Cutter apron 82 and clamp seat 83, described clamp seat 83 is provided with the perforation 84 of passing for shaping body, described Cutter apron 82 is provided with cutting knife 85, drives described cutting knife 85 along the cylinder 86 perpendicular to perforation 84 axis direction feed or withdrawing, described contact induction device 72 control connection cylinder 86.
Based on the structure of above-mentioned automatic cutting device 8, its course of work is as follows: the winding pipe perforated 84 in mould 62 after shaping end passes the end entering guide wheel transmission track, touch contact induction device 72, cylinder 86 1 drive singal given by contact induction device 72, and cylinder 86 drives cutting knife 85 feed, automatically cuts off winding pipe, whole cutting process is without the need to artificial participation, reduce the labour intensity of operating personnel, promote uninterruptedly carrying out continuously of whole winding pipe production process, enhance productivity.Wherein, the installation site of contact induction device 72 is the length of winding pipe as requested and determines, and it is separation that cutting knife 85 cuts off, and is the end of a pipe range, is also the beginning calculating another root pipe range simultaneously.
Based on the structure of above-mentioned winding pipe production equipment, the production process of winding pipe production equipment of the present invention is as follows: it comprises the following steps:
(1) main extruder 2, auxiliary extruder 22, cooling device 4, draw-gear 5, pipe viscose glue shaped device 6 and guide wheel connecting gear 7 is started successively;
(2) respectively main plastic rubber material, function plastic rubber material hot melt extruded is become molten state after starting main extruder 2, auxiliary extruder 22 simultaneously, and enter two glue entrances of co-extrusion mouth mould 3 simultaneously;
(3) the double-deck glue exported from co-extrusion mouth mould 3 forms double-deck adhesive tape after cooling device cooling, starting double-deck adhesive tape to be drawn after draw-gear carries out Wrapping formed in mould 62, form a unit tubular structure after the double-deck adhesive tape of sheet winds with one circuit on the first stay tube core rod 623, second stay tube core rod 624;
(4) start after extruser 61 and viscose material extruding formed glue, and glue is sprayed onto on unit tubular structure, the viscose glue of pressure pipe core rod 622 roll extrusion simultaneously, winding limit, limit viscose glue that several unit viscose glue is formed winding pipe is overall;
(5) shaping body exports by guide wheel connecting gear 7, when body moves to the position of contact induction device 72, contact induction device 72 sends signal to cylinder 86, control cylinder 86 drives cutting knife 85 feed, automatic cut-out winding pipe, drive cutting knife 85 withdrawing wait feed action next time with exhaust hood 86, complete the production of fixed length winding pipe.
A kind of top layer of the present invention co-extrusion winding pipe production equipment, production that can be full-automatic is with the plastic cement winding pipe of additional properties, production efficiency is high, and controlling of production process is simple, the winding pipe product with stable quality of producing, greatly can reduce the labour intensity of workman after using, greatly improve output, there is the good market development and be worth.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a top layer co-extrusion winding pipe production equipment, comprise frame, be arranged on the workbench in frame, it is characterized in that: it also comprises the main extruder and auxiliary extruder that arrange near frame front end, respectively with described main extruder, the co-extrusion mouth mould of the discharging opening connection of auxiliary both extruders, and be arranged on described co-extrusion mouth mould rear end, and along the cooling device that winding pipe production mode reform sets gradually, draw-gear, pipe viscose glue shaped device, for drawing the guide wheel connecting gear that shaping body advances, automatic cutting device, described cooling device, guide wheel connecting gear is arranged on workbench, described draw-gear, pipe viscose glue shaped device, automatic cutting device is fixed in frame.
2. a kind of top layer according to claim 1 co-extrusion winding pipe production equipment, it is characterized in that: described co-extrusion mouth mould comprises patrix and the counterdie of split setting, the first glue entrance, the first glue outlet is provided with in described patrix, the second glue entrance, the second glue outlet is provided with in described counterdie, described first glue entrance is connected with the discharging opening of main extruder, the discharging opening of auxiliary extruder respectively with the second glue entrance, and after described upper die and lower die matched moulds, described first glue outlet and the second glue are gapless between exporting is arranged side by side.
3. a kind of top layer according to claim 1 co-extrusion winding pipe production equipment, it is characterized in that: described pipe viscose glue shaped device comprising extruser for adding hot-extrudable viscose material, being arranged on the mould of extruser discharge outlet, described mould comprises die holder, be fixed on and described die holder is provided with three core rods, be respectively axis from top to bottom to parallel and the pressure pipe core rod set gradually, the first stay tube core rod and the second stay tube core rod, and drive described first stay tube core rod around the driving wheel of its central axis.
4. a kind of top layer according to claim 3 co-extrusion winding pipe production equipment, it is characterized in that: three described core rods are all provided with recessed indent and convex press strip along axially continuous and staggered separately, the convex press strip of described pressure pipe core rod stretches in the recessed indent of described first stay tube core rod, the convex press strip of described first stay tube core rod stretches in the recessed indent of the second stay tube core rod, and the convex press strip of described second stay tube core rod stretches in the recessed indent of the first stay tube core rod.
5. a kind of top layer according to claim 3 co-extrusion winding pipe production equipment, it is characterized in that: described extruser comprises extruding pipe, the axial turning cylinder be located in described extruding pipe, and the first motor driving described turning cylinder to rotate around himself axis.
6. a kind of top layer according to claim 1 co-extrusion winding pipe production equipment, it is characterized in that: described draw-gear comprises along what lead that glue direction sets gradually and leads rubber tire, master turns traction wheel, turned traction wheel, with send rubber tire, the wheel shaft of four is all fixed in described frame, turned traction wheel and sent between rubber tire, and be fixed on described frame is provided with a circular orbit, being provided with one in described circular orbit can along the regulating wheel of its orbital plane movement, describedly lead rubber tire, turned traction wheel, regulating wheel, send the glue groove excessively wheel face of rubber tire being equipped with and passing through for adhesive tape, described regulating wheel is provided with the resistance switch be electrically connected with the main drive motors turning traction wheel.
7. a kind of top layer according to claim 1 co-extrusion winding pipe production equipment, it is characterized in that: described guide wheel connecting gear comprises two rows and the second motor of the guide wheel of single coaxial setting and the described guide wheel synchronous axial system of driving two row, and during the two described guide wheel synchronous axial system of row, its guide wheel face forms the guide wheel transmission track of the shaping body advance of traction.
8. a kind of top layer according to claim 7 co-extrusion winding pipe production equipment, is characterized in that: the end of described guide wheel transmission track is provided with contact induction device.
9. a kind of top layer according to claim 8 co-extrusion winding pipe production equipment, it is characterized in that: described automatic cutting device comprises the cutting rack be fixed in described frame, what be separately fixed at described cutting rack top and low side is provided with Cutter apron and clamp seat, described clamp seat is provided with the perforation of passing for shaping body, described Cutter apron is provided with cutting knife, drives described cutting knife along the cylinder perpendicular to perforation axis direction feed or withdrawing, described contact induction device control connection cylinder.
10. a kind of top layer according to claim 1 co-extrusion winding pipe production equipment, is characterized in that: described cooling device comprises bosh, is arranged on the dehydrater of bosh end.
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| CN201510474327.7A CN105034338B (en) | 2015-08-05 | 2015-08-05 | A kind of surface layer co-extrusion winding pipe production equipment |
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| CN201510474327.7A CN105034338B (en) | 2015-08-05 | 2015-08-05 | A kind of surface layer co-extrusion winding pipe production equipment |
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| CN109822852A (en) * | 2019-02-16 | 2019-05-31 | 浙江源创电子科技股份有限公司 | A kind of windscreen wiper production system |
| CN112776385A (en) * | 2020-12-22 | 2021-05-11 | 上海富宝建材有限公司 | HDPE winding pipe production process |
| CN115782117A (en) * | 2022-11-25 | 2023-03-14 | 浙江杰伟精密机械有限公司 | Co-extrusion molding raw material distribution device and method for production of foam board |
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| CN112776385A (en) * | 2020-12-22 | 2021-05-11 | 上海富宝建材有限公司 | HDPE winding pipe production process |
| CN112776385B (en) * | 2020-12-22 | 2022-10-14 | 上海富宝建材有限公司 | HDPE winding pipe production process |
| CN115782117A (en) * | 2022-11-25 | 2023-03-14 | 浙江杰伟精密机械有限公司 | Co-extrusion molding raw material distribution device and method for production of foam board |
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| CN105034338B (en) | 2018-05-25 |
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