CN101306575A - Continuous production method and production device for novel heat insulation stripe for bridge-cut-off aluminium door and window - Google Patents
Continuous production method and production device for novel heat insulation stripe for bridge-cut-off aluminium door and window Download PDFInfo
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- CN101306575A CN101306575A CNA200710028863XA CN200710028863A CN101306575A CN 101306575 A CN101306575 A CN 101306575A CN A200710028863X A CNA200710028863X A CN A200710028863XA CN 200710028863 A CN200710028863 A CN 200710028863A CN 101306575 A CN101306575 A CN 101306575A
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- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/908—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article characterised by calibrator surface, e.g. structure or holes for lubrication, cooling or venting
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- 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
- B29C48/05—Filamentary, e.g. strands
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- 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
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- 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
- B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
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- 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
- B29C48/625—Screws characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio]
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- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
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- 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
- B29C48/92—Measuring, controlling or regulating
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- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92009—Measured parameter
- B29C2948/92019—Pressure
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- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92323—Location or phase of measurement
- B29C2948/92361—Extrusion unit
- B29C2948/92409—Die; Nozzle zone
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- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92514—Pressure
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- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
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- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92904—Die; Nozzle zone
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- 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
- B29C48/30—Extrusion nozzles or dies
- B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/25—Solid
- B29K2105/253—Preform
- B29K2105/256—Sheets, plates, blanks or films
Abstract
The invention discloses a continuous production device for a novel insulated strip used on bridge-cut-off aluminum doors and windows. The continuous production device comprises a feeding system, an extruding machine, a neck ring mold, a forming die, a heating control system, a cooling system and a hauling system; the feeding system is arranged at a material inlet of the extruding machine; the neck ring mold is arranged at the head of the extruding machine; the heating control system connects and controls the extruding machine and the neck ring mold; in addition, the forming die and the neck ring mold are tightly connected with each other in a heat insulation manner. The invention also discloses a continuous production method of the novel insulated strip used on bridge-cut-off aluminum doors and windows. The continuous production device and the continuous production method ensure the continuity and the stability during the production process, and increase the product performance and the product quality greatly; in addition, a plurality of products can be manufactured by one die, and the productivity effect is increased greatly.
Description
Technical field
The present invention relates to the engineering plastics production technical field, relate in particular to serialization process units and the production method thereof of a kind of bridge cut-off aluminium door and window with glass fiber reinforced nylon 66 heat insulating strips.
Background technology
At present, aluminum alloy doors and windows for building generally adopt " disconnected hot cold bridge " technology, to reach the purpose of heat-insulating and energy-saving.So-called " disconnected hot cold bridge " technology, the intermediate core subdivision that exactly aluminium alloy doorframe and window frame is divided into three parts-outside aluminum alloy frame, inner aluminum alloy frame and connects inside and outside aluminum alloy frame, and the intermediate core subdivision to be heat insulating strip just be called " disconnected hot cold bridge ", it not only must be a kind of fabulous heat-barrier material, and its intensity and ageing resistace must satisfy the requirement of aluminum alloy doors and windows.Therefore, the sealing gland of heat insulating strip, watertightness and anti-wind pressure are particularly crucial, and be in use very high to tensile strength, anti-shearing force and the ageing-resistant performance requirement of heat insulating strip, also requires the linear expansion coefficient of heat insulating strip near aluminium alloy simultaneously.
China just adopts plastics such as PVC, ABS to produce heat insulating strip several years ago, but finds that in use its performance can not satisfy instructions for use at all.For this reason, domestic and international production material to heat insulating strip has carried out developmental research widely.Wherein, heat insulation section based on glass fiber reinforced nylon 66 composites uses for many years abroad, its matrix resin is a nylon 66, after the glass fibre enhancing, its mechanical performance, heat resistance, dimensional stability and chemical resistance etc. all are greatly improved, and are mainly used in connection, sealing and other engineering fields between aluminium alloy door's glass pane.Can resist blast and salt fog resistance corrosion etc. well, the more important thing is that its linear expansion coefficient and aluminium alloy are very approaching, the overall performance with section bar after compound is good.Facts have proved that this is the ideal heat insulation section of succeeding in developing up to now, can satisfy the requirement of heat insulating strip very-high performance.
Yet glass fiber reinforced nylon 66 heat insulating strip expressing techniques and extrusion equipment still are in very weak link in the research of China.Domestic enterprise produces glass fiber reinforced nylon 66 heat insulating strips, general all be with the single screw extrusion machine of routine and a mouth mould, shaper etc. simply assembly be in the same place, adopting conventional extrusion way is that the material of fusion enters shaper production (referring to Fig. 1) then through one section emptying after extruder and a mouthful mould come out, be difficult to meet the requirement of material property and technology, therefore production process instability, production efficiency is low, troublesome poeration, energy consumption are big.In addition, because ambient pressure reduces suddenly, in the amplitude difference that the material of emptying section will inevitably expand and expand, therefore not high, the product size inaccuracy of properties of product of acquisition is difficult to guarantee product quality, can't satisfy instructions for use.At present, the production technology of glass fiber reinforced nylon 66 heat insulating strips has seriously restricted application, popularization and the development of heat insulating strip, and its exploitation of extruding production technology and production equipment is extremely urgent.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art; a kind of stable production process, production efficiency height are provided, manually-operated is few, energy consumption is low; the bridge cut-off aluminium door and window that constant product quality the is good serialization process units of novel heat insulation stripe; to guarantee to obtain high performance heat insulating strip product; satisfy user demand, promote heat insulating strip product and The Application of Technology and development.Another object of the present invention is to provide the continuous production method of a kind of bridge cut-off aluminium door and window with novel heat insulation stripe.
Purpose of the present invention is achieved by the following technical programs:
A kind of bridge cut-off aluminium door and window provided by the invention comprises feeding system, extruder, mouthful mould, shaper, heating control system, cooling system and trailer system with the serialization process units of novel heat insulation stripe; Described feeding system is arranged on the material inlet place of extruder, and mouthful mould is arranged on the head place of extruder; Heating control system connects control extruder and mouthful mould; In addition, a described shaper and a mouthful mould closely link together with form of thermal insulation.
Apparatus of the present invention are connected shaper with a mouthful mould, material does not directly enter shaper from not needing emptying after the mouth mould flows out, by the control of pressure, reduce ambient pressure and reduced variation and the influence that is brought suddenly, can realize the also serialization production of stable prod.Nylon 66 belongs to the thermal sensitivity engineering plastics, and is very responsive to temperature.And apparatus of the present invention shaper is connected with form of thermal insulation with a mouthful mould, can reduce the heat conduction between mouthful mould and the shaper, helps improving stability and the properties of product and the quality of production.
On the connected mode of shaper and mouthful mould, can adopt following measure particularly: the junction of described shaper and mouthful mould is the profiling boss structure; Described shaper is provided with die sleeve outward, and this die sleeve is fixedlyed connected with a mouthful mould by connector; The cooling processing of described cooling system is carried out between shaper and die sleeve.Because the contact-making surface of shaper and mouthful mould adopts the profiling boss structure, can reduce both contacts area, thereby greatly reduce the heat transfer problem between mouthful mould and the shaper as far as possible.
Apparatus of the present invention can be taked following further measure: described shaper is one or one or more and is set up in parallel in die sleeve that each shaper is independent, detachable individuality; Described mouthful of mould is corresponding with shaper, and is provided with flow distribution plate before mouthful mould.Like this, have more, not only can increase substantially production efficiency, and when defectiveness in the die cavity of certain shaper or wearing and tearing are big, can change separately, scrap and be unlikely to the whole series by a mould.
Owing to reasons such as raw material itself, electric current instabilities, can cause the pressure transient of barrel and mouthful mould, thereby influence the stability of discharging.For this reason, apparatus of the present invention also comprise control pressurer system, and this control pressurer system comprises pressure sensor and controller, wherein pressure sensor is connected on mouthful mould, controller connects the velocity of rotation of control extruder screw, promptly is by monitoring mouthful cavity pressure, regulates the rotating speed of extruder screw.In the mouth mould, set a suitable pressure, under the control pressurer system effect, the mouth molding pressure that records when pressure sensor and setting value not simultaneously, controller is the adjusting screw(rod) rotating speed then, makes mouthful cavity pressure get back to setting value rapidly, thereby plays the effect of voltage stabilizing.
When nylon 66 adding glass fibres or other fillers carry out modification, because flowability is very poor, abrasiveness is very big, therefore glass fiber reinforced nylon 66 can produce serious wearing and tearing to screw rod in process, the screw rod of the described extruder of apparatus of the present invention adopts pairing gold nitrated steel to make for this reason, to prolong the service life of screw rod; The draw ratio of screw rod is 28～40, and compression ratio is 3～4.5.Selection can improve material temperature and distribute than the screw rod of big L/D ratio, helps the mixing and the plasticizing of material, eliminates glass fibre and exposes phenomenon.
The extrusion molding temperature is to impel the necessary condition of molding materials plasticizing and melt flows, and profile shapes Products Quality and output are all had crucial influence.The described heating control system of apparatus of the present invention is divided into 8～12 temperature-controlled areas, adopts thermocouple measurement control.Can do better control to each section temperature like this, thereby optimize production technology.
In the nylon hot procedure, because temperature is higher, material can produce some low molecular weight volatile things in barrel, if these volatile matters can not in time be discharged barrel, will have a strong impact on the pressure stability in mouthful mould, thus the stability that influence is produced and the quality of product.Adopt screw rod from exhaust structure in the described extruder of apparatus of the present invention,, prevent the influence of volatile matter so that rapidly volatile matter is discharged to outside the barrel.
Another object of the present invention is achieved by the following technical programs:
A kind of bridge cut-off aluminium door and window continuous production method of novel heat insulation stripe may further comprise the steps:
A) mouth mould and the shaper of above-mentioned process units installed after, equipment is heated, and starts cooling system;
B) temperature of setting extruder is 260 ℃～320 ℃, is advisable with 270 ℃～300 ℃; Die temperature is 260 ℃～330 ℃, is advisable with 280 ℃～300 ℃; Cooling water temperature is 15 ℃～70 ℃, is advisable with 18 ℃～60 ℃; After by heating control system the temperature of extruder and mouthful mould being heated to the value that sets, open feeding system, start extruder;
C) extruder plastifies raw material, when extruder head pressure reaches 40bar～100bar, opens the control valve of mould, makes the material of fusion enter mould, and setting a mouthful mould internal fluid pressure is 10bar～40bar;
D) according to the mouth mould internal fluid pressure of setting, regulate the rotating speed of controlling extruder screw, make mouthful cavity pressure be returned to setting value rapidly, make to produce and carry out under the situation stably that pressure controling precision is 0.5～2bar at pressure by control pressurer system;
E) when material has arrived shaper and wrapped machine leader, start trailer system; Observe the variation of mould upward pressure, slowly increase hauling speed;
F) when heat insulating strip is pulled out shaper fully, accelerate the speed of traction stably under the situation at pressure, hauling speed is 0.01m/min～1m/min; Reduce cooling water temperature simultaneously.
The present invention has following beneficial effect:
(1) shaper and a mouthful mould link together with mechanical system, cancelled the emptying section,, reduced ambient pressure and reduced variation and the influence that is brought suddenly by the control of pressure, guaranteed the continuity and the stability of production process, helped enhancing product performance and product quality.Manually-operated is few, and energy consumption is low.
(2) contact-making surface of shaper and mouthful mould adopts the profiling boss structure, can reduce both contacts area as far as possible, reduces the heat transfer problem between mouthful mould and the shaper greatly, helps improving the stability of production and the performance and the quality of product.
(3) depannings can be produced many heat insulating strip products simultaneously, have realized that a mould has more, and has increased substantially production efficiency.When defectiveness in the die cavity of certain shaper or wearing and tearing are big, can change separately and be unlikely to the whole series and scrap.Greatly reduce the complexity of producing, reduced production cost.
(4) according to the setting value of mouth cavity pressure, regulate the rotating speed of control extruder screw, thereby stablize the actual pressure in mouthful mould, can guarantee the stability of discharging, improved the performance and the quality of product.
(5) heating control system adopts thermocouple measurement control, and is highly sensitive, and is divided into 8～12 temperature-controlled areas, and the temperature of each section is more prone to control, and temperature control is more accurate, thereby has optimized processing technology.
(6) adopt screw rod from exhaust structure, can rapidly the volatile matter in the nylon hot procedure be discharged to outside the barrel, prevent the influence of volatile matter production process and product.
Description of drawings
The present invention is described in further detail below in conjunction with embodiment and accompanying drawing:
Fig. 1 is the structural principle block diagram of the conventional process units of prior art;
Fig. 2 is the structural principle block diagram of process units embodiment of the present invention;
Fig. 3 is the sectional view of mouthful mould in the process units of the present invention;
Fig. 4 is the sectional view of shaper in the process units of the present invention;
Fig. 5 is A-A, the B-B profile among Fig. 3 and Fig. 4.
Among the figure: feeding system 1, extruder 2, mouthful mould 3, shaper 4, control pressurer system 5, heating control system 6, cooling system 7, trailer system 8, profiling boss 9, Upper Die-sleeve 10, lower die-sleeve 11, screw 12,15, fixture block 13, draw-in groove 14
The specific embodiment
Fig. 2～Figure 5 shows that bridge cut-off aluminium door and window of the present invention is with the embodiment of the serialization process units of novel heat insulation stripe, as shown in Figure 2, comprise feeding system 1, extruder 2, mouthful mould 3, shaper 4, control pressurer system 5, heating control system 6, cooling system 7 and trailer system 8; Feeding system 1 is arranged on the material inlet place of extruder 2, and mouthful mould 3 is arranged on the head place of extruder 2; Heating control system 6 connects control extruder 2 and mouthful mould 3.
As Fig. 2 and shown in Figure 5, a shaper 4 and a mouthful mould 3 closely link together, and wherein the contact portion of mouthful mould 3 (or shaper 4) is profiling boss 9 structures, and its envelope material level is got monolateral 2mm.As shown in Figure 4, shaper 4 is for many (for example 10,20 or 40 or the like) and be set in side by side in the die sleeve, and each shaper 4 is independent, detachable individuality.Die sleeve is divided into Upper Die-sleeve 10 and lower die-sleeve 11, is enclosed within outside the shaper 4 also fixedly connected by screw 12.Mouth mould 3 is corresponding with shaper 4, and adopts the forms of unskilled labor engineering plastics profiled bar extrusion dies that flow distribution plate is set before mouthful mould 3.As Fig. 3, Fig. 4 and shown in Figure 5, after shaper 4 and 3 butt joints of mouthful mould, by fixture block 13, draw-in groove 14 and screw 15 mouth mould 3 and Upper Die-sleeve 10, lower die-sleeve 11 are connected and fixed, thereby a shaper 4 and a mouthful mould 3 directly are docking together.
The screw rod of extruder 2 adopts pairing gold nitrated steel to make, and diameter is 50mm, and the draw ratio of screw rod is a kind of in 28,30,32,40, and the compression ratio of screw rod is 3～4.5.Extruder adopts pairing gold shell bar from exhaust structure, thereby rapidly the volatile matter that produces in the material hot procedure is discharged to outside the barrel.
Control pressurer system 5 comprises pressure sensor and controller, wherein pressure sensor is connected on mouthful mould, controller connects the velocity of rotation of control extruder screw, it promptly is the fluctuation of sensing mouthful molding pressure by pressure sensor, feed back to control system then and regulate the rotating speed of extruder screw, reach the purpose of controlled pressure.
Heating control system 6 is divided into 8～12 temperature-controlled areas, and wherein the temperature controlled region of extruder part is 8 parts, and the temperature controlled region of mould part is 4 parts.Employing thermocouple measurement control.
To produce I type 14.8 glass fiber reinforced nylon 6s 6 heat insulating strips is example.After proportionally metering mixes after nylon 66, glass fibre, look mother and other additive drying, supply to above-mentioned process units.
At first extruder is warmed up to normal production temperature, puts into virgin material machine is cleared up.After defective material in the extruder extruded fully, begin cooling.Carry out in accordance with the following methods then:
A) mouth mould 3 and the shaper 4 of above-mentioned process units installed after, equipment is heated, and starts cooling system 7;
B) temperature of extruder 2 is set and is risen to 300 ℃ successively from 270 ℃ of afterbodys, and mouthful mould 3 temperature are set at 280 ℃～300 ℃, and cooling water temperature is set at 18 ℃～60 ℃, is advisable with 30 ℃; After by heating control system 6 temperature of extruder 2 and mouthful mould 3 being heated to the value that sets, open feeding system 1, start extruder 2;
C) 2 pairs of raw material of extruder plastify, and when extruder 2 head pressures reach 40bar～100bar, open the control valve of mould, make the material of fusion enter mould, and setting a mouthful mould internal fluid pressure is 10bar～40bar;
D) actual pressure of very moment mould 3 and setting value are regulated the rotating speed of extruders 2 screw rods by control pressurer system 5 not simultaneously, make mouthful mould 3 internal pressures be returned to setting value rapidly, make to produce and carry out under the situation stably at pressure that pressure controling precision is 0.5～2bar;
E) when material has arrived shaper 4 and wrapped machine leader, start trailer system 8; Observe the variation of mould upward pressure, increase hauling speed;
F) when heat insulating strip is pulled out shaper fully, accelerate the speed of traction stably under the situation at pressure, hauling speed is 0.01m/min～1m/min; Reduce cooling water temperature simultaneously, 0.05 meter cooling water temperature of the every rising of ordinary circumstance speed reduces by 5 degree.
Each technological parameter of production method of the present invention is not limited to above-mentioned listed examples.
Because the rotating speed of extruder screw is controlled by pressure, therefore whole technology is to realize producing automatically continuously under the prerequisite of pressure stability.When needs were produced the heat insulating strip product of other specification, whole technology only needed more that mold exchange gets final product.
Claims (10)
1, a kind of bridge cut-off aluminium door and window comprises feeding system (1), extruder (2), mouthful mould (3), shaper (4), heating control system (6), cooling system (7) and trailer system (8) with the serialization process units of novel heat insulation stripe; Described feeding system (1) is arranged on the material inlet place of extruder (2), and mouthful mould (3) is arranged on the head place of extruder (2); Heating control system (6) connects control extruder (2) and mouthful mould (3); It is characterized in that: a described shaper (4) and a mouthful mould (3) closely link together with form of thermal insulation.
2, the bridge cut-off aluminium door and window according to claim 1 serialization process units of novel heat insulation stripe is characterized in that: described shaper (4) and mouthful both junctions of mould (3) are profiling boss (9) structure; The outer die sleeve that is provided with of described shaper (4), this die sleeve is fixedlyed connected with a mouthful mould (3) by connector; The cooling processing of described cooling system (7) is carried out between shaper (4) and die sleeve (3).
3, the bridge cut-off aluminium door and window according to claim 1 and 2 serialization process units of novel heat insulation stripe, it is characterized in that: described shaper (4) is one or one or more and is set up in parallel in die sleeve that each shaper is independent, detachable individuality; Described mouthful of mould (3) is corresponding with shaper (4), and is provided with flow distribution plate before mouthful mould.
4, the bridge cut-off aluminium door and window according to claim 1 and 2 serialization process units of novel heat insulation stripe, it is characterized in that: also comprise control pressurer system (5), this control pressurer system comprises pressure sensor and controller, wherein pressure sensor is connected on mouthful mould (3), and controller connects the velocity of rotation of control extruder (2) screw rod.
5, the bridge cut-off aluminium door and window according to claim 1 and 2 serialization process units of novel heat insulation stripe is characterized in that: the screw rod of described extruder (2) adopts pairing gold nitrated steel to make, and the draw ratio of screw rod is 28～40.
6, bridge cut-off aluminium door and window according to claim 1 and 2 is characterized in that: adopt screw rod from exhaust structure in the described extruder (2) with the serialization process units of novel heat insulation stripe.
7, a kind of bridge cut-off aluminium door and window continuous production method of novel heat insulation stripe is characterized in that may further comprise the steps:
A) with claim 1 or 2 or after 3 described mouthfuls of moulds (3) and shaper (4) install, equipment is heated, and start cooling system (7);
B) temperature of setting extruder (2) is 260 ℃～320 ℃, and mouthful mould (a 3) temperature is 260 ℃～330 ℃, and cooling water temperature is 15 ℃～70 ℃; After by heating control system (6) temperature of extruder (2) and mouthful mould (3) being heated to the value that sets, open feeding system (1), start extruder (2);
C) extruder (2) plastifies raw material, when extruder (2) head pressure reaches 40bar～100bar, opens the control valve of mould, makes the material of fusion enter mould, and setting a mouthful mould internal fluid pressure is 10bar～40bar;
D) according to the mouth mould internal fluid pressure of setting, regulate the rotating speed of control extruder (2) screw rod by control pressurer system (5), make mouthful cavity pressure be returned to setting value rapidly, make to produce and carry out under the situation stably that pressure controling precision is 0.5～2bar at pressure;
E) when material has arrived shaper (4) and wrapped machine leader, start trailer system (8); Observe the variation of mould upward pressure, slowly increase hauling speed;
F) when heat insulating strip is pulled out shaper (4) fully, accelerate the speed of traction stably under the situation at pressure, hauling speed is 0.01m/min～1m/min; Reduce cooling water temperature simultaneously.
8, the bridge cut-off aluminium door and window according to claim 7 continuous production method of novel heat insulation stripe, it is characterized in that: the temperature of described extruder (2) is set at 270 ℃～300 ℃.
9, the bridge cut-off aluminium door and window according to claim 7 continuous production method of novel heat insulation stripe is characterized in that: described mouthful of mould (3) temperature is set at 280 ℃～300 ℃.
10, the bridge cut-off aluminium door and window according to claim 7 continuous production method of novel heat insulation stripe, it is characterized in that: described cooling water temperature is set at 18 ℃～60 ℃.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710028863XA CN101306575B (en) | 2007-06-28 | 2007-06-28 | Continuous production method and production device for novel heat insulation stripe for bridge-cut-off aluminium door and window |
| PCT/CN2008/001247 WO2009000166A1 (en) | 2007-06-28 | 2008-06-30 | Machine and method for continuous producing thermal insulation strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710028863XA CN101306575B (en) | 2007-06-28 | 2007-06-28 | Continuous production method and production device for novel heat insulation stripe for bridge-cut-off aluminium door and window |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101306575A true CN101306575A (en) | 2008-11-19 |
| CN101306575B CN101306575B (en) | 2010-09-29 |
Family
ID=40123353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710028863XA Expired - Fee Related CN101306575B (en) | 2007-06-28 | 2007-06-28 | Continuous production method and production device for novel heat insulation stripe for bridge-cut-off aluminium door and window |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101306575B (en) |
| WO (1) | WO2009000166A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102430607A (en) * | 2011-12-23 | 2012-05-02 | 芜湖精塑实业有限公司 | Heat insulation strip extruding equipment for production field of heat insulation strip |
| CN104029371A (en) * | 2014-05-27 | 2014-09-10 | 大连华工创新科技股份有限公司 | Forming equipment of plastic material filled with polyurethane foam in core layer |
| CN109396003A (en) * | 2018-10-31 | 2019-03-01 | 龙图节能铝材（宣城）有限公司 | Production process of aluminium section |
| CN109419287A (en) * | 2017-08-21 | 2019-03-05 | 惠东县港东塑胶制品有限公司 | The production equipment and manufacturing method of a kind of anti-skidding door curtain, blind blade |
| CN109676890A (en) * | 2019-02-28 | 2019-04-26 | 华迅工业(苏州)有限公司 | A kind of rail traffic cable double-layer coextrusion outer mold |
| CN112848216A (en) * | 2020-12-29 | 2021-05-28 | 安徽万朗磁塑股份有限公司 | Automatic online forming measurement and control device and method for door sealing rubber sleeve production line |
| CN112873807A (en) * | 2020-12-29 | 2021-06-01 | 安徽科居新材料科技有限公司 | Cooling and shaping device for wood-plastic solid wood composite material |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1067042A (en) * | 1996-08-29 | 1998-03-10 | Mitsui Petrochem Ind Ltd | Extrusion molding of thick-walled molded object and apparatus therefor |
| JP2002307538A (en) * | 2001-04-16 | 2002-10-23 | Mitsuboshi Belting Ltd | Extruder for molding synthetic resin |
-
2007
- 2007-06-28 CN CN200710028863XA patent/CN101306575B/en not_active Expired - Fee Related
-
2008
- 2008-06-30 WO PCT/CN2008/001247 patent/WO2009000166A1/en active Application Filing
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102430607A (en) * | 2011-12-23 | 2012-05-02 | 芜湖精塑实业有限公司 | Heat insulation strip extruding equipment for production field of heat insulation strip |
| CN104029371A (en) * | 2014-05-27 | 2014-09-10 | 大连华工创新科技股份有限公司 | Forming equipment of plastic material filled with polyurethane foam in core layer |
| CN109419287A (en) * | 2017-08-21 | 2019-03-05 | 惠东县港东塑胶制品有限公司 | The production equipment and manufacturing method of a kind of anti-skidding door curtain, blind blade |
| CN109396003A (en) * | 2018-10-31 | 2019-03-01 | 龙图节能铝材（宣城）有限公司 | Production process of aluminium section |
| CN109396003B (en) * | 2018-10-31 | 2021-10-12 | 龙图节能铝材（宣城）有限公司 | Aluminum profile production process |
| CN109676890A (en) * | 2019-02-28 | 2019-04-26 | 华迅工业(苏州)有限公司 | A kind of rail traffic cable double-layer coextrusion outer mold |
| CN112848216A (en) * | 2020-12-29 | 2021-05-28 | 安徽万朗磁塑股份有限公司 | Automatic online forming measurement and control device and method for door sealing rubber sleeve production line |
| CN112873807A (en) * | 2020-12-29 | 2021-06-01 | 安徽科居新材料科技有限公司 | Cooling and shaping device for wood-plastic solid wood composite material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101306575B (en) | 2010-09-29 |
| WO2009000166A1 (en) | 2008-12-31 |
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