CN202528436U - High-efficient polyolefine single-screw extruding machine with length-diameter ratio of 38 - Google Patents
High-efficient polyolefine single-screw extruding machine with length-diameter ratio of 38 Download PDFInfo
- Publication number
- CN202528436U CN202528436U CN2012201343594U CN201220134359U CN202528436U CN 202528436 U CN202528436 U CN 202528436U CN 2012201343594 U CN2012201343594 U CN 2012201343594U CN 201220134359 U CN201220134359 U CN 201220134359U CN 202528436 U CN202528436 U CN 202528436U
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- machine barrel
- machine
- screw rod
- efficient
- hopper
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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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/83—Heating or cooling the cylinders
- B29C48/834—Cooling
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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
- B29C48/395—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
- B29C48/397—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 a single screw
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/83—Heating or cooling the cylinders
- B29C48/832—Heating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a high-efficient polyolefine single-screw extruding machine with a length-diameter ratio of 38. The high-efficient polyolefine single-screw extruding machine comprises an extruding system, a transmission system, a heating and cooling system and a control system, wherein the extruding system comprises a machine head adapter, a flow distribution plate, a machine barrel, a screw rod, a machine barrel bushing, a hopper, a hopper base and a flashboard; the machine head adapter is connected with the machine barrel, the screw rod is arranged inside the machine barrel, the machine barrel bushing is arranged between the machine barrel and the screw rod, the hopper is arranged on the hopper base, and the hopper is internally provided with the flashboard for controlling loading speed; the transmission system comprises a driving motor, a reduction gearbox and a shaft joint; the driving motor is connected with the reduction gearbox through the shaft joint, the reduction gearbox is connected with the screw rod, and the driving motor drives the screw rod to rotate; the heating and cooling system comprises a heater and a cooling blower; and the control system is respectively connected with the extruding system, the transmission system and the heating and cooling system. Compared with the prior art, the high-efficient polyolefine single-screw extruding machine with a length-diameter ratio of 38 has the advantages of good product quality, energy saving and high efficiency, high stability, long service life and the like.
Description
Technical field
The utility model relates to single screw extrusion machine, but especially relates to a kind of single screw extrusion machine of draw ratio 38 of High-efficient Production polyolefin pipe.
Background technology
In the extruded product of thermoplastic, with regard to the annual production of producing, polyolefin pipe is one of maximum plastic products.And polyolefin pipe all is to be created by single screw extrusion machine basically.
Become the focal issue that to face in the industry so develop efficient single screw extrusion machine.Wherein efficient single screw extrusion machine is embodied in: the high moment of torsion that adapts to high yield; High speed and the melt output of not fluctuating; High yield under the low screw speed; High speed under the low melt temperature is extruded.A lot of issues limit are arranged domestic extruder develop to efficient extruder; Wherein important problem has: functions such as the conveying of screw rod, compression, fusion and homogenizing are overlapped on three sections (metering section, compression section, feeding sections) of screw rod; There is several factors can cause each functional section on screw rod, to move (like adding feed states instability, screw speed variation etc.).It is bigger that extrusion capacity is influenced by head pressure, and relevant with viscosity, will cause output along with pressure, and temperature fluctuates, particularly serious when particularly rotating speed improves.
Summary of the invention
The purpose of the utility model is exactly the single screw extrusion machine that a kind of good product quality, efficient energy-saving, stability is strong, the life-span is long efficient polyolefin draw ratio 38 are provided in order to overcome the defective that above-mentioned prior art exists.
The purpose of the utility model can realize through following technical scheme: a kind of single screw extrusion machine of efficient polyolefin draw ratio 38, it is characterized in that, and comprise extrusion system, transmission system, heating and cooling system, the control system;
Described extrusion system comprises head adapter, flow distribution plate, machine barrel, screw rod, machine barrel lining, hopper, hopper seat, flashboard; Described head adapter links to each other with machine barrel; Described flow distribution plate is arranged on the machine barrel end, and described screw rod is arranged in the machine barrel, is provided with the machine barrel lining between machine barrel and the screw rod; Described hopper is arranged on the hopper seat, is provided with the flashboard of control material loading speed in the hopper;
Described transmission system comprises drive motors, reduction box, shaft coupling, and described drive motors connects reduction box through shaft coupling, the reduction box connecting screw rod, and the drive motor drives screw rod rotates;
Described heating and cooling system comprises heater, cooling blower, and described heater and cooling blower are arranged on the machine barrel;
Described control system connects extrusion system, transmission system and heating and cooling system respectively.
Described head adapter is provided with the head heater.
Described machine barrel is fixed on the frame through the machine barrel support.
Described screw rod is divided into feed zone, segregation section, fluxing zone and mixer.
Described machine barrel lining is provided with groove, and this groove is set in place on the machine barrel lining of screw feed section, and screw rod cooperates formation positive feed section with the machine barrel lining.
Described groove is the spiral rectangle groove.
Described drive motors and reduction box adopt the associated mode syndeton.
Described heating and cooling system adopts ceramic heater and blower fan combination.
Described control system comprises frequency converter, relay, action button and Displaying Meter.
The extruder of the utility model is imported spiro rod machine tube to material through the positive feed section; Utilize heating and cooling system heating barrel zone temperature; Screw rod rotation, pressing materials in the machine barrel of heating through given shape; It is melted equably, finally reach desirable plasticizing effect and rate of extrusion efficiently.Be installed in the hot cooling system on the machine barrel, through each section material temperature on the automatically controlled accurate automatically control machine barrel.
Compared with prior art, the utlity model has following advantage:
One, top product quality.
In the utility model, the structural design of extruder screw is pressed four sections designs, 1 positive feed section, 2 novel segregation sections, 3 meticulous fluxing zones, 4 accurate mixers based on the theory of high-speed and high-efficiency.
Good melt thermal uniformity is the key factor that high-quality tubing is extruded, and uneven melt will make internal surface of pipe produce the ripples line.Inconsistent this common fault of molten temperature has thoroughly been eliminated in the design of this serial single screw extrusion machine, and its continual and steady low melt temperature is brought desirable melt thermal uniformity; Bring perfect plasticizing effect; The melt uniformity that perfect plasticizing effect adds coideal has guaranteed the top quality of product.
Two, efficient energy-saving, high stability.
Section is fed in the pressure of extrusion system, is to accomplish through the screw feed section of optimal design and the machine barrel lining of with groove.The machine barrel lining of positive feed section has adopted vertical rectangle groove or spiral groove structure; Transfer efficiency is high, and energy consumption significantly reduces.
The design of novel extruder screw makes the pressure of each section of extruder reach optimum value, makes that the extruded velocity of material is basic to have nothing to do the pressure good rigidly of extruder with back pressure;
Novel extruder screw design makes the output of each section of extruder material and plasticizing quality reach best coupling and combination; The output of material is directly proportional with the screw speed of extruder under the state of isothermal, equipressure; The extrusion capacity of extruder and screw speed good linearity have improved the stability and the precision of extruder greatly.
Three, long service life.Guaranteeing under stable feed, high yield and the high-quality prerequisite; Vertical rectangle or helical structure design through the lining groove; And the particular design of this serial screw rod; Effectively reduce the pressure of feeding section, make the wearing and tearing of machine barrel, screw rod significantly reduce, effectively increased the service life of this serial extruder.
Description of drawings
Fig. 1 is the structural representation of the single screw extrusion machine of the efficient polyolefin draw ratio 38 of the utility model;
Fig. 2 is the side view of the single screw extrusion machine of the efficient polyolefin draw ratio 38 of the utility model;
Fig. 3 is efficient single screw extrusion machine JHE1-38B series output figure;
Fig. 4 is the corresponding relation figure between efficient JHE1-90-38B extruder screw rotating speed and the rate of extrusion;
Fig. 5 is JHE1-90-38B efficient single-screw compulsory feed extruder pressure and common forced feed extruder pressure comparison diagram.
Among the figure: 1, head adapter, 2, the head heater, 3, flow distribution plate, 4, heater and blower fan combination; 5, machine barrel, 6, the machine barrel support, 7, frame, 8, screw rod; 9, drive motors, 10, the machine barrel lining, 11, the hopper seat, 12, flashboard; 13, shaft coupling, 14, reduction box, 15, hopper, 16, electric cabinet.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is elaborated.
Embodiment 1
Shown in Fig. 1-2, a kind of single screw extrusion machine of efficient polyolefin draw ratio 38 comprises extrusion system, transmission system, heating and cooling system, the control system;
Described extrusion system comprises head adapter 1, flow distribution plate 3, machine barrel 5, screw rod 8, machine barrel lining 10, hopper 15, hopper seat 11, flashboard 12; Described head adapter 1 is provided with head heater 2; Described head adapter 1 links to each other with machine barrel 5, and described flow distribution plate 3 is arranged on the machine barrel end, and machine barrel 5 is fixed on the frame 7 through machine barrel support 6; Described screw rod 8 is arranged in the machine barrel 5; Be provided with machine barrel lining 10 between machine barrel 5 and the screw rod 8, described hopper 15 is arranged on the hopper seat 11, is provided with the flashboard 12 of control material loading speed in the hopper 15;
Described transmission system comprises drive motors 9, reduction box 14, shaft coupling 13, and described drive motors 9 connects reduction box 14 through shaft coupling 13, reduction box 14 connecting screw rods 8, and drive motors 9 drive screws 8 rotate; Drive motors and reduction box adopt the associated mode syndeton, and compact conformation has effectively been saved the occupation of land space.
Described heating and cooling system adopts ceramic heater and blower fan combination 4, and this ceramic heater and blower fan combination 4 are arranged on the machine barrel 5, through automatically controlled automatic accurate temperature controlling.
Described control system connects extrusion system, transmission system and heating and cooling system respectively, and the control system comprises frequency converter, relay, action button and Displaying Meter, and frequency converter, relay, action button and Displaying Meter are arranged in the electric cabinet 16.Electric cabinet have part ownership pressure display table, temperature display watch can be observed melt pressure and temperature at any time, adjust in real time according to necessary requirement.
The structural design of extruder screw is pressed four sections designs based on the theory of high-speed and high-efficiency: feed zone L1, segregation section L2, fluxing zone L3 and mixer L4.
The feed zone of extrusion system is to accomplish through the screw feed section of optimal design and the machine barrel lining of with groove.The machine barrel lining of feed zone has adopted spiral rectangle groove structure, and the spiral groove structure promptly is set on the machine barrel lining, and this groove structure is set in place on the machine barrel lining of screw feed section, and screw rod cooperates formation positive feed section with the machine barrel lining; Transfer efficiency is high, and energy consumption significantly reduces.
The positive feed section L1 of machine barrel 5 cooperates special machine barrel lining 10 to add elevating hopper 15 and has constituted a pressure feeding system, and the special construction design of screw rod 8 and machine barrel lining 10 has effectively reduced the pressure in the machine barrel 5, has increased service life;
Material is through after forcing feeding section entering machine barrel 5; Flow through positive feed section L1, novel segregation section L2, the meticulous fluxing zone L3 precision section of closing L4 successively; Promote machine barrel 5 temperature through heater and blower fan combination 4; Drive screw rod 8 in the inner rotation of machine barrel by drive motors 9 through reduction box 16; Make material in machine barrel 5, flow into efficiently, at high speed in the flow distribution plate 3, get into again in the follow-up mould that is connected by head adapter 1 through Solid Conveying and Melting, fusion plastification, meticulous plasticizing, the accurate back material that mixes.
Above-mentioned single screw extrusion machine is applicable to the production polyolefin pipe, comprises JHE1-38B series (seeing table in detail):
The basic parameter of the efficient single screw extrusion machine JHE1-38B series of the utility model extruder is following;
Shown in Fig. 3-4; Efficient single screw extrusion machine JHE1-38B series output figure; And the corresponding relation figure between efficient JHE1-90-38B extruder screw rotating speed and the rate of extrusion; Can find out that the design of the utility model extruder screw makes the output of each section of extruder material and plasticizing quality reach best coupling and combination; The output that makes material is directly proportional with the screw speed of extruder under isothermal, isobaric state, and the extrusion capacity of extruder and screw speed good linearity have improved the stability and the precision of extruder greatly.
As shown in Figure 5; JHE1-90-38B efficient single-screw compulsory feed extruder pressure and common forced feed extruder pressure comparison diagram; Can find out guaranteeing under stable feed, high yield and the high-quality prerequisite that the particular design of this serial screw rod effectively reduces the pressure of feeding section.
Claims (9)
1. the single screw extrusion machine of an efficient polyolefin draw ratio 38 is characterized in that, comprises extrusion system, transmission system, heating and cooling system, the control system;
Described extrusion system comprises head adapter, flow distribution plate, machine barrel, screw rod, machine barrel lining, hopper, hopper seat, flashboard; Described head adapter links to each other with machine barrel; Described flow distribution plate is arranged on the machine barrel end, and described screw rod is arranged in the machine barrel, is provided with the machine barrel lining between machine barrel and the screw rod; Described hopper is arranged on the hopper seat, is provided with the flashboard of control material loading speed in the hopper;
Described transmission system comprises drive motors, reduction box, shaft coupling, and described drive motors connects reduction box, reduction box connecting screw rod through shaft coupling;
Described heating and cooling system comprises heater, cooling blower, and described heater and cooling blower are arranged on the machine barrel;
Described control system connects extrusion system, transmission system and heating and cooling system respectively.
2. the single screw extrusion machine of a kind of efficient polyolefin draw ratio 38 according to claim 1 is characterized in that, described head adapter is provided with the head heater.
3. the single screw extrusion machine of a kind of efficient polyolefin draw ratio 38 according to claim 1 is characterized in that, described machine barrel is fixed on the frame through the machine barrel support.
4. the single screw extrusion machine of a kind of efficient polyolefin draw ratio 38 according to claim 1 is characterized in that, described screw rod is divided into feed zone, segregation section, fluxing zone and mixer.
5. according to the single screw extrusion machine of claim 1 or 4 described a kind of efficient polyolefin draw ratios 38; It is characterized in that; Described machine barrel lining is provided with groove, and this groove is set in place on the machine barrel lining of screw feed section, and screw rod cooperates formation positive feed section with the machine barrel lining.
6. the single screw extrusion machine of a kind of efficient polyolefin draw ratio 38 according to claim 5 is characterized in that, described groove is the spiral rectangle groove.
7. the single screw extrusion machine of a kind of efficient polyolefin draw ratio 38 according to claim 1 is characterized in that, described drive motors and reduction box adopt the associated mode syndeton.
8. the single screw extrusion machine of a kind of efficient polyolefin draw ratio 38 according to claim 1 is characterized in that, described heating and cooling system adopts ceramic heater and blower fan combination.
9. the single screw extrusion machine of a kind of efficient polyolefin draw ratio 38 according to claim 1 is characterized in that, described control system comprises frequency converter, relay, action button and Displaying Meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201343594U CN202528436U (en) | 2012-03-31 | 2012-03-31 | High-efficient polyolefine single-screw extruding machine with length-diameter ratio of 38 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201343594U CN202528436U (en) | 2012-03-31 | 2012-03-31 | High-efficient polyolefine single-screw extruding machine with length-diameter ratio of 38 |
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| Publication Number | Publication Date |
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| CN202528436U true CN202528436U (en) | 2012-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012201343594U Expired - Lifetime CN202528436U (en) | 2012-03-31 | 2012-03-31 | High-efficient polyolefine single-screw extruding machine with length-diameter ratio of 38 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103358528A (en) * | 2012-03-31 | 2013-10-23 | 上海金湖挤出设备有限公司 | High-efficiency polyolefin single-screw extruder with length-to-diameter ratio of 38 |
-
2012
- 2012-03-31 CN CN2012201343594U patent/CN202528436U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103358528A (en) * | 2012-03-31 | 2013-10-23 | 上海金湖挤出设备有限公司 | High-efficiency polyolefin single-screw extruder with length-to-diameter ratio of 38 |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121114 |
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| CX01 | Expiry of patent term |