CN1190308C - Moulding equipment for extruding mimic sheet material of full-degradation paper sheets - Google Patents

Moulding equipment for extruding mimic sheet material of full-degradation paper sheets Download PDF

Info

Publication number
CN1190308C
CN1190308C CNB021520585A CN02152058A CN1190308C CN 1190308 C CN1190308 C CN 1190308C CN B021520585 A CNB021520585 A CN B021520585A CN 02152058 A CN02152058 A CN 02152058A CN 1190308 C CN1190308 C CN 1190308C
Authority
CN
China
Prior art keywords
paper sheets
fall
separating
imitative paper
screw rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNB021520585A
Other languages
Chinese (zh)
Other versions
CN1415467A (en
Inventor
王惠群
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
QIJIA MACHINERY PLANT CO Ltd SHANTOU
Original Assignee
QIJIA MACHINERY PLANT CO Ltd SHANTOU
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by QIJIA MACHINERY PLANT CO Ltd SHANTOU filed Critical QIJIA MACHINERY PLANT CO Ltd SHANTOU
Priority to CNB021520585A priority Critical patent/CN1190308C/en
Publication of CN1415467A publication Critical patent/CN1415467A/en
Priority to PCT/CN2003/000998 priority patent/WO2004048070A1/en
Priority to AU2003289622A priority patent/AU2003289622A1/en
Application granted granted Critical
Publication of CN1190308C publication Critical patent/CN1190308C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/76—Venting, drying means; Degassing means
    • B29C48/765—Venting, drying means; Degassing means in the extruder apparatus
    • B29C48/766—Venting, drying means; Degassing means in the extruder apparatus in screw extruders
    • B29C48/767—Venting, drying means; Degassing means in the extruder apparatus in screw extruders through a degassing opening of a barrel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion 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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/402—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders the screws having intermeshing parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/405—Intermeshing co-rotating screws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/57—Screws provided with kneading disc-like elements, e.g. with oval-shaped elements

Landscapes

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

Abstract

The present invention relates to molding equipment for extruding a mimic sheet material of full-degradation paper, which comprises a double-screw extruder, a machine head, a mould and a plating press, wherein mixing blocks which are integrated by staggering and laminating spindle thread units piece by piece are arranged on a single screw; the corresponding spindle thread units of the mixing blocks on two screws are arranged in pairs and long shaft lines are mutually perpendicular; at least two exhaust ports are arranged; a cambered guide plate and a baffle plate are arranged on the inner wall of an exhaust passage; a flow channel of feed stock flow in an inner cavity of the mould of the machine head and a horizontal line form an included angle of 50 degrees to 60 degrees; a slide plate of a net exchanging device is linked with an oil cylinder piston controlled by a hydraulic system provided with an energy accumulator; a volume pump is also arranged; a connecting line of the shaft centers of the rollers of the plating press and a horizontal line form an included angle of 125 degrees to 135 degrees; a roller temperature synchronous regulator is arranged. The present invention has the advantages of good material feeding performance, short material stay time, even loading, high extruding efficiency, good air exhaust performance, low energy consumption and high press polish precision. The molding equipment for extruding a mimic sheet material of full-degradation paper can obtain the requirement of the preparation process of a full-degradation mimic paper material of which the high starch content is up to more than 70%.

Description

High-fall separating imitated the paper sheets extrusion equipment
Technical field the present invention relates to the composition quasi-plastic property state material of starch, amylose or amylopectin or their derivative or catabolite, and the used equipment of extrusion molding sheet material that contains high molecular plastic state substance, relate in particular to a kind of high-fall imitative paper sheets extrusion equipment of separating.
The existing plastics that are widely used in packing business of background technology can not be from degraded, the human and vegeto-animal living environment of its discarded object severe contamination.The applicant's patent formerly 02130898.5, having proposed with starch is base-material, poly-third ethene and polyethylene are the plasticising intermediate, under the acting in conjunction of other auxiliary agent, by physics and chemical modification, make full-degradation paper imitation material.Last procedure of this material preparation method is, the required powder metering that the front operation is obtained is sent into the sheet material extrusion equipment and is made sheet material, and whole process is mixing for carrying in regular turn, shear plasticizing, dehydration exhaust, supercharging are extruded, press polish is cut edge, cooling is drawn and the rolling finished product.Because the content of starch height of powder, existing screw sheet extruder is subjected to the restriction that self forms structure and operation mechanism, can not adapt to high-content of starch and reach plastic state substance more than 70%, particularly relevantly among the preparation technology of the full-degradation paper imitation material that proposes of the applicant starch is carried out molecular structure alteration and oneself and organize compound mixingly, and the sheet material of high finished product rate is extruded requirement.
Summary of the invention is to remedy the defective that prior art exists, and the present invention proposes a kind of high-fall imitative paper sheets extrusion equipment of separating.The technical scheme that adopts is as follows:
A kind of high-fall imitative paper sheets extrusion equipment of separating, comprise feeding device, double screw extruder, extrusion die, calender, cooling package, side cut assembly and hauling machine, wherein feeding device is located at the input of double screw extruder, the output of double screw extruder is connected with extrusion die by coupling assembling, extrusion die is aimed at calender, the output of calender is connected with cooling package, is provided with the side cut assembly in the both sides of cooling package, and the output of cooling package connects hauling machine.Described double screw extruder is that exhaust rotates full engagement type double screw extruder in the same way, and its top is provided with exhaust apparatus.
Single screw rod in the described double screw extruder is to be that the exhaust outlet number adds the assembled screw rod that 1 threaded elements and the decompression exhaust section between each rank threaded elements are combined in same axle by exponent number, threaded elements is made up of with the internal spline form thread set and mixing, the first function section of first order screw is to carry mixing section, the second function section is to shear the plasticising section, rank, end screw rod has only a function section, be to increase progressively to build to press section, the first function section of other each rank screw rod is a fluxing zone, and the second function section is a shunting section.
Described exhaust apparatus be located between each rank threaded elements the decompression exhaust section, the structure of exhaust outlet is direct bleeder, comprise vavuum pump, the blast pipe that is connected with vavuum pump, open the exhaust outlet above the machine barrel of screw rod decompression exhaust section, be positioned at the top of exhaust outlet and the exhaust passage of leading to exhaust outlet, blast pipe.
The extrusion die that has the coupling assembling that is connected with machine barrel, by the head upper body, mould suitable for reading and fix its securing member in the head upper body, the head lower body, end opening mould and fix its securing member at the head lower body, upper and lower opening die clearance adjustment screw, resistance piece and adjustment screw thereof, form with the side striker plate, the coupling assembling that is connected with machine barrel comprises flow distribution plate, be located at the quick net exchanging device that the flow distribution plate front comprises that slide rail and the slide plate that slides and slide plate are provided with two screen packs that are used alternatingly and flow distribution plate passage thereon, feed end is conical and the discharge end that is connected with extrusion die is become the static mixer of rectangle by conical middle transition.
The axial connecting line of each roller of calender is a straight line, and each roller all is the cooling roller of strap clamp cover type.
One of its feature is:
Single screw rod is provided with by stagger piecewise six mixing of 25～35 ° of stacked all-in-one-pieces of six spindle threaded elements, and six mixing corresponding spindle threaded elements on the two screw rods disposes in pairs, and their long axis is orthogonal.
Two of its feature is:
At least be provided with two exhaust outlets, on the inwall of exhaust passage above the exhaust outlet, be provided with arc-shaped guide plate, on the inwall of exhaust passage corresponding above the arc-shaped guide plate, be provided with baffle plate.
The arc of arc-shaped guide plate, preferably consistent with the arc of screw rod, and the progressive increase in gap between close its front position and screw rod.
When exhaust, owing to twice backgauge effect of arc-shaped guide plate and baffle plate, can reduce the discharge rate of extruder material, make it be difficult for taking place to stop up the phenomenon of blast pipe, exhaust passage.
Three of its feature is:
The angle of the screw rod axial line that the head inner chamber materials flow runner of extrusion die and horizontal line are extruder is 50～60 °, extrudes the one-tenth sheet material that lip is extruded, and just in time is delivered in the middle of one, two rollers of calender.
Four of its feature is:
The slide plate of quick net exchanging device is provided with and can and has the oil cylinder piston interlock of the hydraulic system of hydraulic pressure automatic control unit at the accumulator of a large amount of high energy fluid of abrupt release with being controlled by, and preferably is provided with the material pressure sensor that is connected with the control circuit of hydraulic system before screen pack.
Drive slide plate slides by hydraulic system, can realize uninterrupted quick net exchanging of moment.
Five of its feature is:
Also being provided with in the coupling assembling has electric heater in the interlayer of the pump housing and also is respectively equipped with into and out of the positive displacement pump of material pressure measuring and testing device at the import and export place of material, the import of material is connected with the outlet of machine barrel, and the outlet of material is connected with the import of static mixer in the coupling assembling.
Six of its feature is:
Calender be the axial connecting line of three rollers be one with horizontal line be that the angle of the screw rod axial line of extruder is the three-roller calendar of 125～135 ° straight line.
Seven of its feature is:
Calender is provided with the corresponding to roller temperature adjusting device of each roller surface each point temperature of control, and this device comprises the cooling water channel of the circuitous circulation in the roller and controls the by-pass valve control that replenishes cold water according to the temperature of roller outer surface respectively by water temperature, water level control sensor.
During start just, the temperature of the roller of calender is very low, can not be low excessively and enter the temperature of the water of roller, in water tank, also be provided with heater.
Eight of its feature is:
Calender is provided with the corresponding to roller synchronizing controls of servomotor running speed that control drives each roller respectively.Each servomotor is respectively by the programmable controller controls that has linear velocity trans spare.Linear velocity trans spare can be the absolute encoder that has photocell eye, and above-mentioned programmable controller can be a computer.
This high-fall further feature of separating imitative paper sheets extrusion equipment is, can be provided with winder at the equipped at outlet port of hauling machine.
The present invention's beneficial effect against existing technologies is, novel structure, combination is compact, one-machine-multi-function, it is good to have the feeding performance, residence time of material is short, and load is even, the extrusion efficiency height, exhaust performance is excellent, energy consumes low, and the press polish advantage of high precision can reach preparation technology's requirement that high-content of starch reaches the full-degradation paper imitation material more than 70%.
Description of drawings the present invention has the following drawings:
Fig. 1 is a high-fall composition schematic diagram of separating imitative paper sheets extrusion equipment of the present invention;
Fig. 2 is a screw-rod structure schematic diagram of the present invention;
Fig. 3 is six a mixing structural representation of screw rod of the present invention;
Fig. 4 is the structural representation of exhaust apparatus of the present invention;
Fig. 5 is the structural representation of quick net exchanging device of the present invention;
Fig. 6 is the structural representation of a kind of specific embodiment of positive displacement pump of the present invention.
High-fall the separating of the specific embodiment one cover imitated the paper sheets extrusion equipment
This extrusion equipment, the cooling package 7 that comprises the double screw extruder of forming by feeding device 1, exhaust apparatus 2, extrusion system, transmission system, heating and cooling system, control system and safety system 3, the coat-hanger die mould 5 that has the coupling assembling 4 that is connected with machine barrel, three-roller calendar 6, arranges by steel rider, the side cut assembly of forming by the cutting knife that is located at cooling package 7 steel rider both sides respectively 8, by the chromed hardened steel rider of working face and hauling machine 9 and the winder 10 formed in the rubber rollers of steel roller faces cladding rubber layer.
Double screw extruder 3 is that exhaust rotates full engagement type double screw extruder in the same way, and machine barrel is with the all-in-one-piece combined type machine barrel 11 that is threaded by the handset tube of corresponding function section.
Single screw rod is to be the assembled screw rod 12 that three threaded elements and the decompression exhaust section between each rank threaded elements are combined in same axle by exponent number, threaded elements is made up of with the internal spline form thread set and mixing 13, the first function section of first order screw is to carry mixing section, account for 20% of screw rod total length, the second function section is to shear the plasticising section, add the first coupled decompression exhaust section, account for 23% of screw rod total length, the first function section of the second rank screw rod is a fluxing zone, account for 12% of screw rod total length, the second function section is a shunting section, add the second coupled decompression exhaust section, account for 28% of screw rod total length, last rank screw rod has only a function section, be to increase progressively to build to press section, account for 17% of screw rod total length.The screw rod overall diameter is 72 millimeters, and draw ratio is 48, and rotating speed is 26～500 rev/mins, and step-less adjustment, twin-screw centre-to-centre spacing are 60 millimeters.Single screw rod is provided with by stagger piecewise six mixing 13 of 30 ° of stacked all-in-one-pieces of six spindle threaded elements 14, and six mixing 13 corresponding spindle threaded elements 14 on the two screw rods disposes in pairs, and their long axis is orthogonal.This six mixing 13 can fully be satisfied the plastic state substance that high-content of starch reaches more than 70% and shear mixing requirement.
Exhaust apparatus 2 be located between each rank threaded elements the decompression exhaust section, the structure of exhaust outlet is direct bleeder, the blast pipe 19 that comprise vavuum pump, connects, open the exhaust outlet 21 above the machine barrel of screw rod exhaust section, be positioned at the top of exhaust outlet 21 and the exhaust passage 15 of leading to exhaust outlet 21, blast pipe 19 with vavuum pump.This specific embodiment is provided with two exhaust outlets 21, is provided with arc-shaped guide plate 18 on the inwall of exhaust passage 15 above the exhaust outlet 21, is provided with baffle plate 17 on exhaust passage inwall 16 corresponding above the arc-shaped guide plate 18.The arc of arc-shaped guide plate 18, preferably consistent with the arc of screw rod 12, and the progressive increase in gap between close its front end 20 positions and screw rod 12.This exhaust apparatus 2 has arc-shaped guide plate 18 and baffle plate 17 to realize twice backgauge, when exhaust, can reduce the discharge rate of extruder material, makes it be difficult for taking place to stop up the phenomenon of blast pipe 19, exhaust passage 15.
The coat-hanger die mould 5 that has the coupling assembling 4 that is connected with machine barrel, by head upper body, mould suitable for reading and fix its securing member, head lower body, end opening mould and fix its securing member, upper and lower opening die clearance adjustment screw, resistance piece and adjustment screw thereof at the head lower body in the head upper body, form with the side striker plate, head inner chamber materials flow runner and horizontal line are that the angle of the screw rod axial line of extruder 3 is 55 °.This coat-hanger die mould 5 is extruded the one-tenth sheet material that lip is extruded, just in time be delivered in the middle of one, two rollers of three-roller calendar 6, the die orifice aperture is equal to or slightly less than sheet thickness, and die gap is middle little, both sides are big, and flow channel length is 20～30 times of sheet thickness.
The coupling assembling 4 that is connected with machine barrel comprises flow distribution plate 22, is located at that flow distribution plate 22 fronts comprise that slide rail and the slide plate 23 that slides and slide plate 23 is provided with that two screen packs that are used alternatingly 24 are taper shape with quick net exchanging device, the feed end of flow distribution plate 22 passages thereon and the discharge end that is connected with coat-hanger die mould 5 is become the static mixer of rectangle by conical middle transition.The slide plate 23 of the quick net exchanging device of this specific embodiment is provided with and can and has piston 27 interlocks in the oil cylinder 26 of hydraulic system of hydraulic pressure automatic control unit at the accumulator 25 of a large amount of high energy fluid of abrupt release with being controlled by, and is provided with the material pressure sensor that is connected with the control circuit of hydraulic system before screen pack 24.Drive slide plate slides by hydraulic system, can realize uninterrupted quick net exchanging of moment.28 is motor among Fig. 5, the 29th, and gear pump, the 30th, check valve, the 31st, electro connecting pressure gauge, 32 is solenoid directional control valves, the 33rd, and another solenoid directional control valve, the 34th, overflow valve, the 35th, manual ball valve, the 36th, fuel tank, the 37th, liquid level gauge, the 38th, oil rectifier, the 39th, oil suction oil filter.Motor 28 is connected power supply, and to accumulator 25 filling fluid, when electro connecting pressure gauge 31 indicated pressures reached setting value, system sent motor 28 power-off signals to gear pump 29 through check valve 30, and gear pump 29 quits work immediately, and system pressure is in hold mode.In case the material clogging appears in screen pack 24, being located at screen pack 24 preceding pressure sensor pressure increases, when pressure reaches setting value, pressure signal is sent to control circuit, at a large amount of high energy fluid of abrupt release, these high energy fluid are by the controlled solenoid directional control valve 32 that is in open position by control circuit control accumulator 25, promote piston 27 in the oil cylinder 26 from A position fast moving to the B position, the screen pack 24 of another passage is taken over job, realize fast automatic draping.When electro connecting pressure gauge 31 indication mechanism pressure are decreased to the lower limit of setting, system sends motor 28 power on signal, gear pump 29 is worked immediately, to the accumulator 25 filling fluid that discharge a large amount of high energy fluid, again is in hold mode until system pressure through check valve 30.
Also be provided with positive displacement pump in the coupling assembling 4, this positive displacement pump can separate again the gear pump that intermeshed gear 41 is formed by the pump housing 40 and within it a pair of gradually again when relatively rotating.Be provided with heating power in the interlayer of the pump housing 40 and be 1.2 kilowatts cast aluminium electric heater 42,, also be respectively equipped with into and out of mecystasis melt pressure measuring and testing device 43,44 at the import and export place of mecystasis melt.This positive displacement pump can stop the flowed fluctuation and the pressure fluctuation of upstream effectively separately by a Motor Drive.This transfiguration supercharging and the positive displacement pump that measures measuring ability of having can improve the flow output speed, reduces shearing and the residence time of material in extruder 3, reduces extrusion temperature and pressure fluctuation, to improve extrusion efficiency and end product quality.Be provided with electric heater 42 and into and out of material pressure measuring and testing device 43,44, can realize being rapidly heated and heat control, and material outlet pressure fluctuation is controlled in 1%.
The axial connecting line of three rollers of three-roller calendar 6 be one with horizontal line be that the angle of the screw rod axial line of extruder 3 is 135 ° a straight line.The diameter of upper, middle and lower roller is 425 millimeters, and the axis of middle roller is fixed, and the axis of upper and lower roller can move, and three roller spacings are adjusted to and are equal to or slightly less than sheet thickness.This three roller arrangement forms, the charging that can realize three-roller calendar 6 is closely being docked with the discharging of the head inner chamber materials flow runner of coat-hanger die mould 5, prevent because of the sagging generation fold of sheet material, reduce the heat radiation cooling, can adapt to high-content of starch and reach moving continuously naturally of plastic state substance more than 70%, extrude requirement with the sheet material that satisfies high finished product rate.
Each roller of three-roller calendar 6 all is the cooling roller of strap clamp cover type, and three-roller calendar 6 is provided with the corresponding to roller temperature adjusting device of each roller surface each point temperature of control.This device comprises cooling water channel that is located at circuitous circulation in the roller and the inlet valve of being controlled additional cold water by water temperature, water level control sensor respectively according to the temperature of roller outer surface.This device can reduce three-roller calendar 6 roller surface each point temperature differences.During start just, the temperature of the roller of three-roller calendar 6 is very low, can not be low excessively and enter the temperature of the water of roller, in water tank, also be provided with heater.
Three-roller calendar 6 also is provided with the corresponding to roller synchronizing controls of servomotor running speed that control drives each roller respectively.Each servomotor is respectively by the programmable controller controls that has linear velocity trans spare.Linear velocity trans spare is the absolute encoder that has photocell eye.
The starch that will reach more than 70% with content is base-material, poly-third ethene and polyethylene are the plasticising intermediate, the powder that under the acting in conjunction of other auxiliary agent, makes, this sheet material extrusion equipment is sent in metering, mixing through carrying in regular turn, shear that plasticizing, dehydration exhaust, supercharging are extruded, press polish is cut edge, cooling is drawn and operation such as rolling finished product, what promptly can be made into high finished product rate high-fallly separates imitative paper sheets.

Claims (24)

1, a kind of high-fall imitative paper sheets extrusion equipment of separating, comprise feeding device (1), double screw extruder (3), extrusion die (5), calender (6), cooling package (7), side cut assembly (8) and hauling machine (9), wherein feeding device (1) is located at the input of double screw extruder (3), the output of double screw extruder (3) is connected with extrusion die (5) by coupling assembling (4), extrusion die (5) is aimed at calender (6), the output of calender (6) is connected with cooling package (7), be provided with side cut assembly (8) in the both sides of cooling package (7), the output of cooling package (7) connects hauling machine (9), it is characterized in that: described double screw extruder (3) is that exhaust rotates full engagement type double screw extruder in the same way, and its top is provided with exhaust apparatus (2).
2, a kind of high-fall imitative paper sheets extrusion equipment of separating according to claim 1, it is characterized in that: the single screw rod (12) in the described double screw extruder (3) is to be that the exhaust outlet number adds the assembled screw rod that 1 threaded elements and the decompression exhaust section between each rank threaded elements are combined in same axle by exponent number, threaded elements is made up of with the internal spline form thread set and mixing, the first function section of first order screw is to carry mixing section, the second function section is to shear the plasticising section, rank, end screw rod has only a function section, be to increase progressively to build to press section, the first function section of other each rank screw rod is a fluxing zone, and the second function section is a shunting section.
3, a kind of high-fall imitative paper sheets extrusion equipment of separating according to claim 2, it is characterized in that: described mixing is six mixing (13) of staggering 25～35 ° of stacked all-in-one-pieces piecewise by six spindle threaded elements (14), the corresponding spindle threaded elements (14) of six mixing (13) on the two screw rods is configuration in pairs, and their long axis is orthogonal.
4, according to claim 1 or 2 or 3 described a kind of high-fall imitative paper sheets extrusion equipments of separating, it is characterized in that: described exhaust apparatus (2) be located between each rank threaded elements the decompression exhaust section, the structure of exhaust outlet is direct bleeder, comprise vavuum pump, the blast pipe that is connected with vavuum pump (19), open the exhaust outlet (21) above the machine barrel of screw rod exhaust section, be positioned at exhaust outlet (21) top and with exhaust outlet (21), the exhaust passage (15) that blast pipe (19) leads to, on the inwall of the exhaust passage, top (15) of exhaust outlet (21), be provided with arc-shaped guide plate (18), on the inwall (16) of corresponding exhaust passage, arc-shaped guide plate (18) top, be provided with baffle plate (17).
5, according to claim 1 or 2 or 3 described a kind of high-fall imitative paper sheets extrusion equipments of separating, it is characterized in that: the angle of the screw rod axial line that the head inner chamber materials flow runner of described extrusion die (5) and horizontal line are extruder is 50～60 °.
6, a kind of high-fall imitative paper sheets extrusion equipment of separating according to claim 4, it is characterized in that: the angle of the screw rod axial line that the head inner chamber materials flow runner of described extrusion die (5) and horizontal line are extruder is 50～60 °.
7, according to claim 1 or 2 or 3 described a kind of high-fall imitative paper sheets extrusion equipments of separating, it is characterized in that: described coupling assembling (4) comprises flow distribution plate (22), be located at flow distribution plate (22) front and support to be pressed in it on machine barrel (11) seam end face and to have and comprise the slide rail and the slide plate (23) of slip thereon by flow distribution plate (22), slide plate (23) is provided with two screen packs that are used alternatingly (24), the quick net exchanging device of flow distribution plate passage, the slide plate of quick net exchanging device are provided with and can and have piston (27) interlock in the oil cylinder (26) of the hydraulic system of hydraulic pressure automatic control unit at the accumulator (25) of a large amount of high energy fluid of abrupt release with being controlled by.
8, a kind of high-fall imitative paper sheets extrusion equipment of separating according to claim 4, it is characterized in that: described coupling assembling (4) comprises flow distribution plate (22), be located at flow distribution plate (22) front and support to be pressed in it on machine barrel (11) seam end face and to have and comprise the slide rail and the slide plate (23) of slip thereon by flow distribution plate (22), slide plate (23) is provided with two screen packs that are used alternatingly (24), the quick net exchanging device of flow distribution plate passage, the slide plate of quick net exchanging device are provided with and can and have piston (27) interlock in the oil cylinder (26) of the hydraulic system of hydraulic pressure automatic control unit at the accumulator (25) of a large amount of high energy fluid of abrupt release with being controlled by.
9, a kind of high-fall imitative paper sheets extrusion equipment of separating according to claim 6, it is characterized in that: described coupling assembling (4) comprises flow distribution plate (22), be located at flow distribution plate (22) front and support to be pressed in it on machine barrel (11) seam end face and to have and comprise the slide rail and the slide plate (23) of slip thereon by flow distribution plate (22), slide plate (23) is provided with two screen packs that are used alternatingly (24), the quick net exchanging device of flow distribution plate passage, the slide plate of quick net exchanging device are provided with and can and have piston (27) interlock in the oil cylinder (26) of the hydraulic system of hydraulic pressure automatic control unit at the accumulator (25) of a large amount of high energy fluid of abrupt release with being controlled by.
10, according to claim 1 or 2 or 3 described a kind of high-fall imitative paper sheets extrusion equipments of separating, it is characterized in that: being provided with in the described coupling assembling (4) has electric heater (42) in the interlayer of the pump housing and also is respectively equipped with into and out of the positive displacement pump of material pressure measuring and testing device (43,44) at the import and export place of material, the import of material is connected with the outlet of machine barrel, and the outlet of material is connected with the import of static mixer in the coupling assembling.
11, a kind of high-fall imitative paper sheets extrusion equipment of separating according to claim 4, it is characterized in that: being provided with in the described coupling assembling (4) has electric heater (42) in the interlayer of the pump housing and also is respectively equipped with into and out of the positive displacement pump of material pressure measuring and testing device (43,44) at the import and export place of material, the import of material is connected with the outlet of machine barrel, and the outlet of material is connected with the import of static mixer in the coupling assembling.
12, a kind of high-fall imitative paper sheets extrusion equipment of separating according to claim 6, it is characterized in that: being provided with in the described coupling assembling (4) has electric heater (42) in the interlayer of the pump housing and also is respectively equipped with into and out of the positive displacement pump of material pressure measuring and testing device (43,44) at the import and export place of material, the import of material is connected with the outlet of machine barrel, and the outlet of material is connected with the import of static mixer in the coupling assembling.
13, a kind of high-fall imitative paper sheets extrusion equipment of separating according to claim 8, it is characterized in that: being provided with in the described coupling assembling (4) has electric heater (42) in the interlayer of the pump housing and also is respectively equipped with into and out of the positive displacement pump of material pressure measuring and testing device (43,44) at the import and export place of material, the import of material is connected with the outlet of machine barrel, and the outlet of material is connected with the import of static mixer in the coupling assembling.
14, according to claim 1 or 2 or 3 described a kind of high-fall imitative paper sheets extrusion equipments of separating, it is characterized in that: described calender (6) be the axial connecting line of three rollers be one with horizontal line be that the angle of the screw rod axial line of extruder is the three-roller calendar of 125～135 ° straight line.
15, a kind of high-fall imitative paper sheets extrusion equipment of separating according to claim 4 is characterized in that: described calender (6) be the axial connecting line of three rollers be one with horizontal line be that the angle of the screw rod axial line of extruder is the three-roller calendar of 125～135 ° straight line.
16, a kind of high-fall imitative paper sheets extrusion equipment of separating according to claim 6 is characterized in that: described calender (6) be the axial connecting line of three rollers be one with horizontal line be that the angle of the screw rod axial line of extruder is the three-roller calendar of 125～135 ° straight line.
17, a kind of high-fall imitative paper sheets extrusion equipment of separating according to claim 8 is characterized in that: described calender (6) be the axial connecting line of three rollers be one with horizontal line be that the angle of the screw rod axial line of extruder is the three-roller calendar of 125～135 ° straight line.
18, according to claim 1 or 2 or 3 described a kind of high-fall imitative paper sheets extrusion equipments of separating, it is characterized in that: described calender (6) is provided with the corresponding to roller temperature adjusting device of each roller surface each point temperature of control.
19, a kind of high-fall imitative paper sheets extrusion equipment of separating according to claim 4, it is characterized in that: described calender (6) is provided with the corresponding to roller temperature adjusting device of each roller surface each point temperature of control.
20, according to claim 1 or 2 or 3 described a kind of high-fall imitative paper sheets extrusion equipments of separating, it is characterized in that: described calender (6) is provided with the corresponding to roller synchronizing controls of servomotor running speed that control drives each roller respectively.
21, a kind of high-fall imitative paper sheets extrusion equipment of separating according to claim 4, it is characterized in that: described calender (6) is provided with the corresponding to roller synchronizing controls of servomotor running speed that control drives each roller respectively.
22, according to claim 1 or the 2 or 3 described high-fall imitative paper sheets extrusion equipments of separating, it is characterized in that: the equipped at outlet port at hauling machine (9) is provided with winder (10).
23, the high-fall imitative paper sheets extrusion equipment of separating according to claim 4, it is characterized in that: the equipped at outlet port at hauling machine (9) is provided with winder (10).
24, the high-fall imitative paper sheets extrusion equipment of separating according to claim 4, it is characterized in that: the arc of described arc-shaped guide plate (18) is consistent with the arc of screw rod (12), and the progressive increase in gap between close its front end (20) position and screw rod (12).
CNB021520585A 2002-11-23 2002-11-23 Moulding equipment for extruding mimic sheet material of full-degradation paper sheets Expired - Fee Related CN1190308C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CNB021520585A CN1190308C (en) 2002-11-23 2002-11-23 Moulding equipment for extruding mimic sheet material of full-degradation paper sheets
PCT/CN2003/000998 WO2004048070A1 (en) 2002-11-23 2003-11-24 Moulding equipment for extruding full-degradation material
AU2003289622A AU2003289622A1 (en) 2002-11-23 2003-11-24 Moulding equipment for extruding full-degradation material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB021520585A CN1190308C (en) 2002-11-23 2002-11-23 Moulding equipment for extruding mimic sheet material of full-degradation paper sheets

Publications (2)

Publication Number Publication Date
CN1415467A CN1415467A (en) 2003-05-07
CN1190308C true CN1190308C (en) 2005-02-23

Family

ID=4752091

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB021520585A Expired - Fee Related CN1190308C (en) 2002-11-23 2002-11-23 Moulding equipment for extruding mimic sheet material of full-degradation paper sheets

Country Status (3)

Country Link
CN (1) CN1190308C (en)
AU (1) AU2003289622A1 (en)
WO (1) WO2004048070A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008009735A1 (en) * 2008-02-19 2009-08-20 Basf Se Device for extruding molding compounds
CN102179940B (en) * 2011-03-25 2013-09-04 浙江福鑫龙机械有限公司 Machine and process for integrally forming plastic sheet
CN102241124B (en) * 2011-06-29 2012-11-21 常熟市恒信粘胶有限公司 Screw extruded device for producing sealant
CN102837408B (en) * 2012-09-18 2015-02-18 贵州凯科特材料有限公司 Double screw extruder and method for using same to prepare light-smell polypropylene
CN104441561B (en) * 2014-11-28 2017-09-05 桂林橡胶设计院有限公司 A kind of double-screw feeding device of Rubber Extruder
US10336882B2 (en) * 2015-12-09 2019-07-02 Toyo Seikan Co., Ltd. Method of recovering lactide

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH069822B2 (en) * 1988-09-14 1994-02-09 住友ベークライト株式会社 Continuous extrusion granulator
DE4202821C2 (en) * 1992-01-31 1995-01-26 S Rockstedt Gmbh Maschf Multi-shaft continuously working mixing and kneading machine for plasticizable masses
DE4426441A1 (en) * 1994-07-26 1996-02-01 Werner & Pfleiderer Two-shaft screw machine, in particular two-shaft extruder
CN2341795Y (en) * 1998-10-22 1999-10-06 北京化工大学 Conical double screw

Also Published As

Publication number Publication date
CN1415467A (en) 2003-05-07
WO2004048070A1 (en) 2004-06-10
AU2003289622A1 (en) 2004-06-18

Similar Documents

Publication Publication Date Title
CN1190308C (en) Moulding equipment for extruding mimic sheet material of full-degradation paper sheets
CN111055449B (en) PVC conical double-screw corrugated tile extrusion equipment
CN1788980A (en) Polyethylene board assembly line and its production process
CN201446671U (en) Novel series single screw extruder
CN102189664A (en) Differential extruder with three straightly-arranged screws
CN205044122U (en) High pressure extrusion moulding machine
CN103350497A (en) Special precision extrusion system for polyvinylidene fluoride
CN2686838Y (en) Serial single-screw extruder
CN205326238U (en) Tapered double screw extruder that large -scale high efficiency was extruded
CN2567024Y (en) Quick net changing device of sheet extruder
CN205800144U (en) A kind of four screw extruder
CN2759759Y (en) Cone extrusion tubular mechanism of injection machine
CN211105463U (en) Extrusion molding system of super wide PC sheet
CN203317725U (en) Special precision extrusion device for polyvinylidene fluoride (PVDF)
CN1663772A (en) High effieciency mix and extrusion cylinder mechanism of injection moulding machine
CN2567025Y (en) Venting device of sheet extruder
CN219427416U (en) Extruder with pressurizing spiral coil at rear end
CN2410107Y (en) Auxiliary machine for two-pipe production line
CN2889698Y (en) Multiple layer coextruded composite distributor
RU2422275C1 (en) Method of producing structural polycarbonate sheet
CN2567018Y (en) Melt pump for sheet extruder
CN220593972U (en) Extrusion device of double-sided laminating composite production line
CN116277863B (en) Novel extrusion molding of environmental protection resin pipeline device
CN214354060U (en) Casting extruder suitable for processing crystalline plastic
CN2715970Y (en) Laminated type co-extrusion die for producing rigid polyvinyl chloride pipe

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20050223

Termination date: 20151123

EXPY Termination of patent right or utility model