CN103231502A - Multi-layer coextrusion water-cooling blown film unit - Google Patents

Multi-layer coextrusion water-cooling blown film unit Download PDF

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Publication number
CN103231502A
CN103231502A CN2013101528886A CN201310152888A CN103231502A CN 103231502 A CN103231502 A CN 103231502A CN 2013101528886 A CN2013101528886 A CN 2013101528886A CN 201310152888 A CN201310152888 A CN 201310152888A CN 103231502 A CN103231502 A CN 103231502A
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China
Prior art keywords
runner
water
cooling
runner body
layer
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Granted
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CN2013101528886A
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Chinese (zh)
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CN103231502B (en
Inventor
蔡健伟
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FUJIAN UNIWIS INDUSTRIAL Co Ltd
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FUJIAN UNIWIS INDUSTRIAL Co Ltd
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Priority to CN201310152888.6A priority Critical patent/CN103231502B/en
Publication of CN103231502A publication Critical patent/CN103231502A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • B29C48/32Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
    • B29C48/336Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging one by one down streams in the die
    • B29C48/3366Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging one by one down streams in the die using a die with concentric parts, e.g. rings, cylinders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911Cooling
    • B29C48/9115Cooling of hollow articles
    • B29C48/912Cooling of hollow articles of tubular films
    • B29C48/913Cooling of hollow articles of tubular films externally
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/919Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The invention relates to a multi-layer coextrusion water-cooling blown film unit which comprises a frame, and a die head, at least two extrusion machines, a cooling device, a collecting device and a rolling device which are arranged on the frame, wherein the cooling device comprises an air-cooling mechanism and a water-cooling mechanism; the air-cooling mechanism is positioned above the water-cooling mechanism; five runners and five feeding holes are formed in the die head; a secondary runner and a primary runner are formed; the lower parts of the second runner and the fourth runner are gradually close to the third runner from two sides; the second runner, the third runner and the fourth runner are jointed at the upper end of the secondary runner; the lower parts of the first runner and the fifth runner are gradually close to the secondary runner from two sides; and the first runner, the secondary runner and the fifth runner are jointed at the upper end of the main runner. The five runners and five feeding holes are formed in the die head, five-layer plastic film pipes can be produced, the five-layer films are molded from interior to exterior in two steps, the produced five-layer plastic films are clear in the structure layer, and the quality of the five-layer plastic film pipes is improved.

Description

A kind of multi-layer co-extruded water-cooling blow-molding film unit
Technical field
The present invention relates to a kind of blow moulding machine, relate in particular to a kind of multi-layer co-extruded water-cooling blow-molding film unit.
Background technology
Blow moulding machine is the machine of processing plastic film tube, existing blow moulding machine generally comprises frame, and rack-mounted die head, two extruders, cooling device, shaped device and wrap-up at least, extruder is connected with the charging aperture of die head, shaped device and wrap-up are arranged on the below of die head, and cooling device is arranged between die head and the shaped device.And the existing die head that is used on the blow moulding machine, comprise core rod, mould tube, runner body and holder, the runner body is arranged in the mould tube, core rod is arranged in the runner body, and holder covers the upper end of runner body and is locked on the mould tube, and the runner body is provided with two or three runners, corresponding two or three charging apertures that are provided with in the top of mould tube, the bottom of mould tube is provided with discharging opening, and the bottom of runner body is provided with the sprue that communicates with discharging opening, and each bar runner converges at the upper end of sprue.The blow moulding machine of said structure can only be used for processing plastic foil pipes two-layer or three layers, can't produce five layers plastic foil pipe, is difficult to adapt to high-quality packing instructions.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of multi-layer co-extruded water-cooling blow-molding film unit, and this multi-layer co-extruded water-cooling blow-molding film unit can improve the quality of products.The technical scheme that adopts is as follows:
A kind of multi-layer co-extruded water-cooling blow-molding film unit, comprise frame, and rack-mounted die head, extruder, cooling device, shaped device and wrap-up, extruder is connected with the charging aperture of die head, shaped device and wrap-up all are arranged on the below of die head, cooling device is arranged between die head and the shaped device, it is characterized in that: described die head comprises the stratiform core rod, the mould tube, runner body and holder, the runner body is arranged in the mould tube, the stratiform core rod is arranged in the runner body, holder covers the upper end of runner body and is locked on the mould tube, and the top of mould tube is provided with five charging apertures, and the bottom of mould tube is provided with discharging opening; The quantity of described extruder is five, and extruder and charging aperture connect one to one; The bottom of runner body is provided with secondary fluid course and sprue, and the lower end of secondary fluid course and the upper end of sprue are connected, and lower end and the discharging opening of sprue are connected; The runner body comprise from interior to outside the first flow body, the second runner body, the 3rd runner body, the 4th runner body, the 5th runner body that set gradually; Be provided with first flow between first flow body and the second runner body, be provided with second runner between the second runner body and the 3rd runner body, be provided with the 3rd runner between the 3rd runner body and the 4th runner body, be provided with the 4th runner between the 4th runner body and the 5th runner body, be provided with the 5th runner between the inwall of the 5th runner body and described mould tube; The bottom of second runner and the 4th runner moves closer to the 3rd runner from both sides, and second runner, the 3rd runner, the 4th runner are joined at the upper end of secondary fluid course; The bottom of first flow and the 5th runner moves closer to secondary fluid course from both sides, and first flow, secondary fluid course, the 5th runner are joined at the upper end of sprue; Cooling device comprises air-cooled mechanism and water-cooled mechanism, and air-cooled mechanism is in the top of water-cooled mechanism.
By five extruders being set at same horizontal plane, at die head five runners and five charging apertures being set, can produce five layers plastic foil pipe; And by secondary fluid course, sprue are set, the bottom of second runner and the 4th runner moves closer to the 3rd runner from both sides, and second runner, the 3rd runner, the 4th runner are joined at the upper end of secondary fluid course, the bottom of first flow and the 5th runner moves closer to secondary fluid course from both sides, and first flow, secondary fluid course, the 5th runner are joined at the upper end of sprue, namely be five layer films from interior to outside carry out moulding in two steps, five layers of plastic foil pipe producing are clearly more demarcated on layer of structure, improve the quality of five layers of plastic foil pipe; And cooling device is set to comprise air-cooled mechanism and water-cooled mechanism, wherein air-cooled mechanism is in the top of water-cooled mechanism, air-cooled mechanism mainly cools off, tentatively finalizes the design the plastic foil pipe that comes out from die head by gentle breeze, make the dimensionally stable, transparent of plastic foil pipe, water-cooled mechanism adopts to soak the pouring mode and make the rapid cooling and shaping of plastic foil pipe, avoid the plastic foil pipe to be out of shape by the traction of rear wrap-up, further improve the quality of five layers of plastic foil pipe.
As preferred version of the present invention, described first flow, second runner, the 3rd runner, the 4th runner, the 5th runner are respectively the helicla flute that is arranged on described first flow body, the second runner body, the 3rd runner body, the 4th runner body, the 5th runner body sidewall, from up to down extends.First flow, second runner, the 3rd runner, the 4th runner, the 5th runner are the spiral fluted structure, prolong the length of runner, increase melting the downward pulling force of glue, accelerate to melt the speed that solation goes out.
As the further preferred version of the present invention, described spiral fluted cross-sectional area from up to down reduces gradually.The spiral fluted cross-sectional area from up to down reduces gradually, makes spiral fluted top store the more glue that melts, and increases the pressure that the helicla flute bottom is melted glue, makes to melt the speed that solation goes out and further accelerate.
Further preferred above-mentioned five charging apertures, one of them is arranged on the top of described mould tube, other four side wall upper part that evenly are arranged on the mould tube.The such position of charging aperture arranges, and is convenient to the installation of extruder, and is more scientific and reasonable on the structure.
As preferred version of the present invention, described air-cooled mechanism comprises vane and cooling blower, and vane comprises ring-type vane body, be provided with cold air duct in the vane body, the madial wall of vane body is provided with annular air outlet, and the lateral wall of vane body is provided with air inlet, and cooling blower is connected with air inlet.
As preferred version of the present invention, described water-cooled mechanism comprises water ring and cooling water tank, and water ring comprises ring-type water ring body, be provided with cold water channel in the water ring body, the madial wall of water ring body is provided with annular delivery port, and the lateral wall of water ring body is provided with water inlet, and cooling water tank is connected with water inlet.
As preferred version of the present invention, described shaped device comprises two clamping plate and two carry-over pinch rolls that be arranged in parallel of being in the shape of the letter V and arranging, and there is the slit lower end of two clamping plates, and carry-over pinch rolls are in the below in slit.Two clamping plate that arrange that are in the shape of the letter V make the plastic foil pipe draw in gradually from circular cylindrical tubular in the lower end, change into laminar, under the traction of carry-over pinch rolls, laminar plastic foil pipe is by the slit, and two clamping plate of arranging of being in the shape of the letter V also play extruding and remove the moisture that produced by water-cooled mechanism on the plastic foil pipe simultaneously.
Because in actual production, the plastic foil pipe that comes out from die head is uniformity definitely, there is thick point in some position with respect to other position, when rolling, the invariant position of thick point is thickly repeatedly superposeed on same position, cause rolling after, the surface irregularity of whole volume plastic foil pipe reduces the moulding product quality.For addressing the above problem, as the further preferred version of the present invention, also comprise rotating seat, rotating shaft and rotating shaft drive unit, rotating seat is installed on the frame by rotating shaft, and rotating shaft drive unit and rotating shaft are in transmission connection; Described shaped device and wrap-up are installed on the rotating seat.By control rotating seat slow rotation, shaped device (comprising two carry-over pinch rolls) and wrap-up rotate with rotating seat, position relationship between the three, just the position of the upper end of shaped device and die head relation constantly changes, thereby make thick axially evenly the staggering along (shaped device) carry-over pinch rolls on the plastic foil pipe, on the Scroll of wrap-up, thick point evenly staggers equally vertically, thick point can repeatedly not superposeed on same position, make after the rolling, the surface of whole volume plastic foil pipe is evenly smooth, improves the quality of products.Need to prove that die head is constantly extruded plastic foil pipe glassy state, that plasticity is higher, at this end of die head, the plastic foil pipe is not what fix, and therefore, the rotation of below carry-over pinch rolls can't cause the plastic foil pipe to twist into one.In addition, the rotating shaft drive unit adopts frequency control motor usually.
As the present invention's preferred version further, the outside of described clamping plate is provided with at least two clamping plate governor motions, and the clamping plate governor motion comprises nut and screw rod, and nut is installed on the described frame, and screw rod is in the nut, and an end of screw rod is connected with clamping plate.By rotating screw bolt, regulate the gradient of clamping plate and the width in slit, the feasible requirement that adapts to all thickness plastic foil pipe.
As the present invention's preferred version further, also comprise drying unit, second carry-over pinch rolls and the 3rd carry-over pinch rolls, drying unit is arranged between carry-over pinch rolls and the wrap-up, and second carry-over pinch rolls and the 3rd carry-over pinch rolls are separately positioned on a side of drying unit.Second carry-over pinch rolls and the 3rd carry-over pinch rolls make the plastic foil pipe be in the flattened state of tensioning, and the angle of plastic foil pipe when regulating rolling, and drying unit further baking remove moisture on the plastic foil pipe.
Description of drawings
Fig. 1 is the structural representation of the preferred embodiment for the present invention;
Fig. 2 is that Fig. 1 is along the cutaway view of A-A;
Fig. 3 is that Fig. 1 is along the cutaway view of B-B;
Fig. 4 is the structural representation of die head;
Fig. 5 is that Fig. 4 is along the sectional view of C-C.
The specific embodiment
Be described further below in conjunction with accompanying drawing and preferred embodiment of the present invention.
Extremely shown in Figure 5 as Fig. 1, this multilayer (five layers) co-extrusion water-cooling blow-molding film unit, comprise frame 1, and be installed in die head 2, five extruders 3, cooling device 4, shaped device 5, wrap-up 6, rotating seat 7, rotating shaft 8 and rotating shaft drive motors (all omitting the rotating shaft drive motors among Fig. 1 to Fig. 3) on the frame 1; Extruder 3 is connected with the charging aperture of die head 2, and shaped device 5 and wrap-up 6 are arranged on the below of die head 2, and cooling device 4 is arranged between die head 2 and the shaped device 5; Rotating seat 7 is installed on the frame 1 by rotating shaft 8, and rotating shaft drive motors and rotating shaft 8 are in transmission connection; Shaped device 5 and wrap-up 6 are installed on the rotating seat 7.
Die head 2 comprises stratiform core rod 201, mould tube 202, runner body 203 and holder 204, runner body 203 is arranged in the mould tube 202, stratiform core rod 201 is arranged in the runner body 203, holder 204 covers the upper end of runner body 203 and is locked on the mould tube 202 by screw 205, the top of mould tube 202 is provided with five charging apertures 206, and the bottom of mould tube 202 is provided with discharging opening 207; Extruder 3 connects one to one with charging aperture 206; The bottom of runner body 3 is provided with secondary fluid course 208 and sprue 209, and the upper end of the lower end of secondary fluid course 208 and sprue 209 is connected, and the lower end of sprue 209 and discharging opening 207 are connected; Runner body 203 comprise from interior to outside the first flow body 2031, the second runner body 2032, the 3rd runner body 2033, the 4th runner body 2034, the 5th runner body 2035 that set gradually; Be provided with first flow 2011 between first flow body 2031 and the second runner body 2032, be provided with second runner 2012 between the second runner body 2032 and the 3rd runner body 2033, be provided with the 3rd runner 2013 between the 3rd runner body 2033 and the 4th runner body 2034, be provided with the 4th runner 2014 between the 4th runner body 2034 and the 5th runner body 2035, be provided with the 5th runner 2015 between the inwall of the 5th runner body 2035 and mould tube 202, first flow 2011, second runner 2012, the 3rd runner 2013, the 4th runner 2014, the 5th runner 2015 is respectively and is arranged on first flow body 2031, the second runner body 2032, the 3rd runner body 2033, the 4th runner body 2034, on the 5th runner body 2035 sidewalls, the helicla flute 2016 of Yan Shening from up to down, the cross-sectional area of helicla flute 2016 from up to down reduces gradually; The bottom of second runner 2012 and the 4th runner 2014 moves closer to the 3rd runner 2013 from both sides, and second runner 2012, the 3rd runner 2013, the 4th runner 2014 are joined at the upper end of secondary fluid course 208; The bottom of first flow 2011 and the 5th runner 2015 moves closer to secondary fluid course 208 from both sides, and first flow 2011, secondary fluid course 208, the 5th runner 2015 are joined at the upper end of sprue 209.
Cooling device 4 comprises air-cooled mechanism 401 and water-cooled mechanism 402, and air-cooled mechanism 401 is in the top of water-cooled mechanism 402.
Air-cooled mechanism 401 comprises vane 4011 and cooling blower 4012, vane 4011 comprises ring-type vane body 40111, be provided with cold air duct in the vane body 40111, the madial wall of vane body 40111 is provided with annular air outlet 40112, the lateral wall of vane body 40111 is provided with air inlet 40113, and cooling blower 4012 is connected with air inlet 40113.
Water-cooled mechanism 402 comprises water ring 4021 and cooling water tank 4022, water ring 4021 comprises ring-type water ring body 40211, be provided with cold water channel in the water ring body 40211, the madial wall of water ring body 40211 is provided with annular delivery port 40212, the lateral wall of water ring body 40211 is provided with water inlet 40213, and cooling water tank 4022 is connected with water inlet 40213.
Shaped device 5 comprises two first carry-over pinch rolls 501 that be arranged in parallel and two clamping plate 502 that are in the shape of the letter V and arrange, and the lower end of two clamping plates 502 has slit 503, the first carry-over pinch rolls 501 to be in the below in slit 503.The outside of clamping plate 502 is provided with at least two clamping plate governor motions 504, and clamping plate governor motion 504 comprises nut 5041 and screw rod 5042, and nut 5041 is installed on the frame 1, and screw rod 5042 is in the nut 5041, and an end of screw rod 5042 is connected with clamping plate 502.
This multi-layer co-extruded water-cooling blow-molding film unit also comprises drying unit 9, second carry-over pinch rolls 10 and the 3rd carry-over pinch rolls 11, drying unit 9 is arranged between first carry-over pinch rolls 501 and the wrap-up 6, and second carry-over pinch rolls 10 and the 3rd carry-over pinch rolls 11 are separately positioned on a side of drying unit 9.
By five extruders 3 being set, at die head 2 five runners and five charging apertures 206 being set, can produce five layers plastic foil pipe; And by secondary fluid course 208 is set, sprue 209, the bottom of second runner 2012 and the 4th runner 2014 moves closer to the 3rd runner 2013 from both sides, and second runner 2012, the 3rd runner 2013, the 4th runner 2014 is joined at the upper end of secondary fluid course 208, the bottom of first flow 2011 and the 5th runner 2015 moves closer to secondary fluid course 208 from both sides, and first flow 2011, secondary fluid course 208, the 5th runner 2015 is joined at the upper end of sprue 209, namely be five layer films from interior to outside carry out moulding in two steps, five layers of plastic foil pipe producing are clearly more demarcated on layer of structure, improve the quality of five layers of plastic foil pipe; And cooling device 4 is set to comprise air-cooled mechanism 401 and water-cooled mechanism 402, wherein air-cooled mechanism 401 is in the top of water-cooled mechanism 402, air-cooled mechanism 401 mainly cools to the plastic foil pipe that comes out from die head 2 by gentle breeze, make the dimensionally stable of plastic foil pipe, 402 in water-cooled mechanism adopts the water spray mode to make the rapid cooling and shaping of plastic foil pipe, avoid the plastic foil pipe to be out of shape by the traction of rear wrap-up 6, further improve the quality of five layers of plastic foil pipe.
By control rotating seat 7 slow rotation, shaped device 5 and wrap-up 6 rotate with rotating seat 7, position relationship between the three, just the position of the upper end of shaped device 5 and die head 2 relation constantly changes, thereby make thick axially evenly the staggering along (shaped device 5) first carry-over pinch rolls 501 on the plastic foil pipe, on the Scroll of wrap-up 6, thick point evenly staggers equally vertically, thick point can repeatedly not superposeed on same position, make after the rolling, the surface of whole volume plastic foil pipe is evenly smooth, improves the quality of products.
In addition; need to prove, the specific embodiment described in this specification, its each several part titles etc. can be different; allly conceive equivalence or the simple change that described structure, feature and principle are done according to patent of the present invention, be included in the protection domain of patent of the present invention.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present invention or surmount the defined scope of these claims, all should belong to protection scope of the present invention.

Claims (9)

1. multi-layer co-extruded water-cooling blow-molding film unit, comprise frame, and rack-mounted die head, extruder, cooling device, shaped device and wrap-up, extruder is connected with the charging aperture of die head, shaped device and wrap-up all are arranged on the below of die head, cooling device is arranged between die head and the shaped device, it is characterized in that: described die head comprises the stratiform core rod, the mould tube, runner body and holder, the runner body is arranged in the mould tube, the stratiform core rod is arranged in the runner body, holder covers the upper end of runner body and is locked on the mould tube, and the top of mould tube is provided with five charging apertures, and the bottom of mould tube is provided with discharging opening; The quantity of described extruder is five, and extruder and charging aperture connect one to one; The bottom of runner body is provided with secondary fluid course and sprue, and the lower end of secondary fluid course and the upper end of sprue are connected, and lower end and the discharging opening of sprue are connected; The runner body comprise from interior to outside the first flow body, the second runner body, the 3rd runner body, the 4th runner body, the 5th runner body that set gradually; Be provided with first flow between first flow body and the second runner body, be provided with second runner between the second runner body and the 3rd runner body, be provided with the 3rd runner between the 3rd runner body and the 4th runner body, be provided with the 4th runner between the 4th runner body and the 5th runner body, be provided with the 5th runner between the inwall of the 5th runner body and described mould tube; The bottom of second runner and the 4th runner moves closer to the 3rd runner from both sides, and second runner, the 3rd runner, the 4th runner are joined at the upper end of secondary fluid course; The bottom of first flow and the 5th runner moves closer to secondary fluid course from both sides, and first flow, secondary fluid course, the 5th runner are joined at the upper end of sprue; Cooling device comprises air-cooled mechanism and water-cooled mechanism, and air-cooled mechanism is in the top of water-cooled mechanism.
2. multi-layer co-extruded water-cooling blow-molding film unit as claimed in claim 1 is characterized in that: described first flow, second runner, the 3rd runner, the 4th runner, the 5th runner are respectively the helicla flute that is arranged on described first flow body, the second runner body, the 3rd runner body, the 4th runner body, the 5th runner body sidewall, from up to down extends.
3. multi-layer co-extruded water-cooling blow-molding film unit as claimed in claim 2, it is characterized in that: described spiral fluted cross-sectional area from up to down reduces gradually.
4. multi-layer co-extruded water-cooling blow-molding film unit as claimed in claim 1, it is characterized in that: described air-cooled mechanism comprises vane and cooling blower, vane comprises ring-type vane body, be provided with cold air duct in the vane body, the madial wall of vane body is provided with annular air outlet, the lateral wall of vane body is provided with air inlet, and cooling blower is connected with air inlet.
5. multi-layer co-extruded water-cooling blow-molding film unit as claimed in claim 1, it is characterized in that: described water-cooled mechanism comprises water ring and cooling water tank, water ring comprises ring-type water ring body, be provided with cold water channel in the water ring body, the madial wall of water ring body is provided with annular delivery port, the lateral wall of water ring body is provided with water inlet, and cooling water tank is connected with water inlet.
6. multi-layer co-extruded water-cooling blow-molding film unit as claimed in claim 1 is characterized in that: described shaped device comprises two clamping plate and two carry-over pinch rolls that be arranged in parallel of being in the shape of the letter V and arranging, and there is the slit lower end of two clamping plates, and carry-over pinch rolls are in the below in slit.
7. multi-layer co-extruded water-cooling blow-molding film unit as claimed in claim 6, it is characterized in that: also comprise rotating seat, rotating shaft and rotating shaft drive unit, rotating seat is installed on the frame by rotating shaft, and rotating shaft drive unit and rotating shaft are in transmission connection; Described shaped device and wrap-up are installed on the rotating seat.
8. multi-layer co-extruded water-cooling blow-molding film unit as claimed in claim 7, it is characterized in that: the outside of described clamping plate is provided with at least two clamping plate governor motions, and the clamping plate governor motion comprises nut and screw rod, and nut is installed on the described frame, screw rod is in the nut, and an end of screw rod is connected with clamping plate.
9. multi-layer co-extruded water-cooling blow-molding film unit as claimed in claim 7, it is characterized in that: also comprise drying unit, second carry-over pinch rolls and the 3rd carry-over pinch rolls, drying unit is arranged between carry-over pinch rolls and the wrap-up, and second carry-over pinch rolls and the 3rd carry-over pinch rolls are separately positioned on a side of drying unit.
CN201310152888.6A 2013-04-28 2013-04-28 Multi-layer coextrusion water-cooling blown film unit Active CN103231502B (en)

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CN109732892A (en) * 2019-01-23 2019-05-10 戴元庆 A kind of manufacturing method and its equipment of multi-layer heat preserving plastic inflatable film
CN110509523A (en) * 2019-09-26 2019-11-29 汕头经济特区雄伟塑料包装材料有限公司 A kind of die head mounting structure of film line adjustable thickness
CN111619087A (en) * 2020-06-12 2020-09-04 常州海菲尔机械有限公司 High-barrier PVDC low-temperature shrinkage 5-layer co-extrusion film blowing equipment
CN112873656A (en) * 2021-01-09 2021-06-01 南京轩昱逸塑料科技有限公司 Degradable environment-friendly plastic bag forming production and processing system
CN113997478A (en) * 2021-11-04 2022-02-01 海阳市凌晖包装有限公司 Blown film unit for producing blown films
CN115027039A (en) * 2022-06-14 2022-09-09 福建聚华新材料科技有限公司 System for high-quality production PE membrane

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CN203267174U (en) * 2013-04-28 2013-11-06 福建连众智惠实业有限公司 Multi-layer coextrusion water-cooling blown film unit

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CN102114705A (en) * 2009-12-31 2011-07-06 上海青兴吉包装材料有限公司 Film blowing device for highly-filled plastic films
CN203267174U (en) * 2013-04-28 2013-11-06 福建连众智惠实业有限公司 Multi-layer coextrusion water-cooling blown film unit

Cited By (12)

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CN104999637A (en) * 2015-06-16 2015-10-28 华南理工大学 Large-section hollow profile extrusion forming method and device with small-opening die utilized
CN107696467A (en) * 2016-08-09 2018-02-16 上海贝阳塑料机械科技有限公司 A kind of PVC thermal contractions inflation film manufacturing machine
CN109732892A (en) * 2019-01-23 2019-05-10 戴元庆 A kind of manufacturing method and its equipment of multi-layer heat preserving plastic inflatable film
CN109732892B (en) * 2019-01-23 2023-06-20 戴元庆 Method and equipment for manufacturing multi-layer heat-insulating plastic inflatable film
CN110509523A (en) * 2019-09-26 2019-11-29 汕头经济特区雄伟塑料包装材料有限公司 A kind of die head mounting structure of film line adjustable thickness
CN110509523B (en) * 2019-09-26 2024-03-19 汕头经济特区雄伟塑料包装材料有限公司 Die head mounting structure with adjustable thickness for film production line
CN111619087A (en) * 2020-06-12 2020-09-04 常州海菲尔机械有限公司 High-barrier PVDC low-temperature shrinkage 5-layer co-extrusion film blowing equipment
CN112873656A (en) * 2021-01-09 2021-06-01 南京轩昱逸塑料科技有限公司 Degradable environment-friendly plastic bag forming production and processing system
CN113997478A (en) * 2021-11-04 2022-02-01 海阳市凌晖包装有限公司 Blown film unit for producing blown films
CN113997478B (en) * 2021-11-04 2024-04-12 海阳市凌晖包装有限公司 Blown film unit for producing blown films
CN115027039A (en) * 2022-06-14 2022-09-09 福建聚华新材料科技有限公司 System for high-quality production PE membrane
CN115027039B (en) * 2022-06-14 2024-02-02 福建聚华新材料科技有限公司 System for high-quality production PE membrane

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