CN201645797U - Push-pull twin-screw extruder - Google Patents
Push-pull twin-screw extruder Download PDFInfo
- Publication number
- CN201645797U CN201645797U CN2010201361502U CN201020136150U CN201645797U CN 201645797 U CN201645797 U CN 201645797U CN 2010201361502 U CN2010201361502 U CN 2010201361502U CN 201020136150 U CN201020136150 U CN 201020136150U CN 201645797 U CN201645797 U CN 201645797U
- Authority
- CN
- China
- Prior art keywords
- push
- screw
- twin
- screw extruder
- barrel
- 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
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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
- B29C48/78—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
-
- 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
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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)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model discloses a push-pull twin-screw extruder, which comprises a fixed base, a sliding base, a motor and a speed reducer. The push-pull twin-screw extruder is characterized in that a cavity is formed above one end of the fixed base; a push-pull guide rail is arranged in the cavity and controlled by a hydraulic system to move in a linear way; the sliding base capable of linearly sliding is arranged above the other end of the fixed base; the sliding base is connected with the push-pull guide rail; the motor and the speed reducer are arranged above the cavity; the output shaft of the motor and the input shaft of the speed reducer are connected through a coupler; a screw cylinder is arranged above the sliding base; two screws are arranged in the screw cylinder; and a feeding hopper is arranged on the screw cylinder. The push-pull twin-screw extruder provided by the utility model overcomes the defects that the production efficiency of a single-screw extruder is low, the plastic granulating quality is poor, and the screw mounting, maintaining and replacing operations are troublesome in the prior art, and has the advantages of saving production cost, remarkably improving production efficiency and realizing easy maintenance and replacement.
Description
Technical field
The utility model relates to a kind of plastic extruder, particularly relates to a kind of push-pull double-screw extruder.
Background technology
At present, the single screw extrusion machine that is used for plastic granulating, its structure generally includes: frame, the power set that frame is provided with a barrel and is made up of motor and speed reducer, barrel is provided with heater, be provided with screw rod in the barrel, an end of screw rod is connected with the output shaft of reductor, and the power shaft of reductor is connected with the output shaft of motor.The operation principle of above-mentioned extruder is: waste or used plastics enters into barrel from feeding hopper, plastifies and homogenizing under the promotion of screw rod then, extrudes needed plastic pellet at last.There is following shortcoming in the extruder of said structure: 1, single screw extrusion machine fricative heat of when work is bigger, and the suffered shearing of material is also inhomogeneous, and conveying capacity can be less, and extrusion capacity is lower, and speed of production is slow, and efficient is low; 2, material time of staying in barrel short, mix inhomogeneous, the plastic pellet inferior quality of producing; 3, can easily not mount and dismount maintenance, the compound mode of changing screw rod and screw flight comparatively bothers, and can not remove the leftover materials that reach machine barrel inside above the screwing element fast,
The utility model content
Low in order to solve in the prior art single screw extrusion machine production efficiency, the problem that screw rod comparatively bothers is changed in the installation and maintenance simultaneously of plastic granulating inferior quality, the utility model provides a kind of and has saved production cost, and significantly improves production efficiency, for ease of maintenaince the push-pull double-screw extruder of Geng Huaning.
In order to achieve the above object, the technical scheme that the utility model adopted is:
A kind of push-pull double-screw extruder, comprise firm banking, sliding bottom, motor, reductor, it is characterized in that: also comprise barrel and twin-screw, an end is provided with cavity above firm banking, in cavity, be provided with sliding rail, and sliding rail is by the HYDRAULIC CONTROL SYSTEM rectilinear motion, above firm banking the other end be provided with can linear slide sliding bottom, sliding bottom is connected with sliding rail; Above cavity, be provided with motor and reductor, the output shaft of described motor is connected by shaft coupling with the power shaft of reductor, above sliding bottom, be provided with barrel, in barrel, be provided with twin-screw, one end of described twin-screw is connected with speed reducer output shaft by connector, is provided with feeding hopper on barrel.
Aforesaid a kind of push-pull double-screw extruder is characterized in that: described firm banking is provided with line slide rail, and described sliding bottom has linear ramp, and described line slide rail and linear ramp are suitable.
Aforesaid a kind of push-pull double-screw extruder is characterized in that: be provided with the cylindrical shell guard shield in the outside of barrel.
Aforesaid a kind of push-pull double-screw extruder is characterized in that: the type of cooling of described barrel is air-cooled or water-cooled.
The beneficial effects of the utility model are: the utility model adopts the twin-screw mode, and the feeding characteristic is better, than single screw extrusion machine better mixing, exhaust, reaction and self-cleaning function is arranged.The shearing that fricative heat is less, material is suffered simultaneously is also comparatively even, big, more stable, the high efficiency of extrusion capacity of the conveying capacity of twin-screw, reduced the cost of enterprise, material time of staying in barrel is long in addition, mix, the plastic pellet quality of producing is higher.The utility model sliding bottom can linear slide, when not producing, barrel can be separated with reductor, and the screw rod of being convenient to like this in the barrel is changed, and installs and keep in repair more convenient.
Description of drawings
Fig. 1 is a view before the push-and-pull of the utility model push-pull double-screw extruder;
Fig. 2 is a view after the push-and-pull of the utility model push-pull double-screw extruder.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As illustrated in fig. 1 and 2, push-pull double-screw extruder, comprise firm banking 1, sliding bottom 2, motor 8, shaft coupling 9, reductor 10, barrel 12 and twin-screw 19, an end is provided with cavity 7 above firm banking 1, in cavity 7, be provided with sliding rail 6, and sliding rail 6 is connected with hydraulic system 5, hydraulic system 5 control sliding rails 6 are done rectilinear motion, the other end is provided with sliding bottom 2 above firm banking 1, on firm banking, be provided with line slide rail 4, have linear ramp 3 at sliding bottom 2, line slide rail 4 is suitable with linear ramp 3, makes sliding bottom 2 to slide along line slide rail 4 front and back.Above cavity 7, be provided with motor 8 and reductor 10, the output shaft 16 of described motor 8 is connected by shaft coupling 9 with the power shaft 17 of reductor 10, above sliding bottom 2, pass through to support 14 fixedly connected barrels 12, in barrel 12, be provided with twin-screw 19, one end of described twin-screw 19 is connected with the output shaft 18 of reductor 10 by connector 11, be provided with cylindrical shell guard shield 13 in the outside of barrel 12, on barrel 12, be provided with feeding hopper.The type of cooling of described barrel 12 can be air-cooled or water-cooled, is provided with into return pipe 15 in barrel 12 bottoms, is used for cooling off barrel 12.
During work, twin-screw 19 is connected with the output shaft 18 of reductor 10, starter motor 8 slows down by reductor 10, finally drives twin-screw 19 and rotates, and from feeding hopper feeding in barrel 12, twin-screw 19 rotates extruded material like this.When changing screw rod or maintenance if desired, control hydraulic system 5 drives sliding rail 6 outside rectilinear motions, and sliding bottom 2 also can be done linear slide thereupon, and twin-screw 19 is separated with reductor 10 like this, is convenient to operating personnel and changes and keep in repair.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. push-pull double-screw extruder, comprise firm banking, sliding bottom, motor, reductor, it is characterized in that: also comprise barrel and twin-screw, an end is provided with cavity above firm banking, in cavity, be provided with sliding rail, and sliding rail is by the HYDRAULIC CONTROL SYSTEM rectilinear motion, above firm banking the other end be provided with can linear slide sliding bottom, sliding bottom is connected with sliding rail; Above cavity, be provided with motor and reductor, the output shaft of described motor is connected by shaft coupling with the power shaft of reductor, above sliding bottom, be provided with barrel, in barrel, be provided with twin-screw, one end of described twin-screw is connected with speed reducer output shaft by connector, is provided with feeding hopper on barrel.
2. a kind of push-pull double-screw extruder according to claim 1 is characterized in that: described firm banking is provided with line slide rail, and described sliding bottom has linear ramp, and described line slide rail and linear ramp are suitable.
3. a kind of push-pull double-screw extruder according to claim 2 is characterized in that: be provided with the cylindrical shell guard shield in the outside of barrel.
4. a kind of push-pull double-screw extruder according to claim 3 is characterized in that: the type of cooling of described barrel is air-cooled or water-cooled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201361502U CN201645797U (en) | 2010-03-19 | 2010-03-19 | Push-pull twin-screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201361502U CN201645797U (en) | 2010-03-19 | 2010-03-19 | Push-pull twin-screw extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201645797U true CN201645797U (en) | 2010-11-24 |
Family
ID=43111015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201361502U Expired - Fee Related CN201645797U (en) | 2010-03-19 | 2010-03-19 | Push-pull twin-screw extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201645797U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737893A (en) * | 2014-01-17 | 2014-04-23 | 青岛科技大学 | Internal temperature control energy-saving type extruder |
| CN111844657A (en) * | 2020-07-17 | 2020-10-30 | 宁波市海达塑料机械有限公司 | Double-screw extrusion mechanism of large-injection-amount extrusion and injection integrated injection molding machine |
-
2010
- 2010-03-19 CN CN2010201361502U patent/CN201645797U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737893A (en) * | 2014-01-17 | 2014-04-23 | 青岛科技大学 | Internal temperature control energy-saving type extruder |
| CN111844657A (en) * | 2020-07-17 | 2020-10-30 | 宁波市海达塑料机械有限公司 | Double-screw extrusion mechanism of large-injection-amount extrusion and injection integrated injection molding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20130319 |