CN207564911U - A kind of feed arrangement of double screw extruder - Google Patents
A kind of feed arrangement of double screw extruder Download PDFInfo
- Publication number
- CN207564911U CN207564911U CN201721586957.4U CN201721586957U CN207564911U CN 207564911 U CN207564911 U CN 207564911U CN 201721586957 U CN201721586957 U CN 201721586957U CN 207564911 U CN207564911 U CN 207564911U
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- China
- Prior art keywords
- joint
- screw extruder
- double screw
- conical ring
- feed arrangement
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- 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 kind of feed arrangements of double screw extruder, it is related to double screw extruder, solve the problems, such as that existing extruder easily raises flying dust in the launch process of plastics materials and staff by extruder is impacted, its key points of the technical solution are that a kind of feed arrangement of double screw extruder, including the conical ring being clamped with extruder feeding hopper and the conveying pipeline being connected with conical ring, the conveying pipeline includes the feed pipe entered for plastics materials, it is connected with feed pipe and the primary and secondary articulated pipe of adjustable in length and the discharge nozzle with connecting conical ring, the flying dust caused by being launched due to plastics materials can be reduced, and then protect the health of staff by extruder.
Description
Technical field
The utility model is related to double screw extruder, more particularly to a kind of feed arrangement of twin-screw extrusion.
Background technology
In recent years, with the rapid development of plastics industry, the application field of plastic products constantly extends, device of plastic processing
The industry-by-industry of national economy has been penetrated into, has become the important component of China's mechanical industry, is played more in national economy
Carry out more important role.An important component wherein in plastic molding machinery formula plastics industry, is to complete plastic products
Molding necessary means are produced, and extrusion molding is one of important forming method of plastics processing.
Extruder can be divided into single screw rod, twin-screw and multi-screw extruder by its screw rod quantity, operation principle be by
In the case where the rotation of screw rod drives, progressive compression transports after plastics materials melting, by then being cooled down after having effigurate mouth mold
Sizing.Compared to single screw extrusion machine and multi-screw extruder, double screw extruder have by friction generate heat is less, object
The suffered shearing of material is more larger than more uniform, screw rod conveying capacity, extrusion capacity is more stable, material stopped in machine barrel it is long,
The advantages that being uniformly mixed.
Chinese utility model if Authorization Notice No. is CN203046213U proposes a kind of double screw extruder, including double
Screw extruder ontology, double screw extruder ontology are provided with main feed system, and double screw extruder ontology, which is equipped with, to be used for master
Feed system provides the feeding motor of power, and double screw extruder ontology is provided with extrusion system, and double screw extruder ontology is set
Head strip-pulling machine is equipped with, double screw extruder ontology is equipped with reduction box system, and reduction box system includes gear reduction box and distributor box.
The double screw extruder can realize the extrusion molding of plastics, but since extruder volume is larger, height also compared with
Height, plastics materials are difficult to directly launch in feed system, therefore plastics materials generally use high level is launched, by by extruder
It is placed on the ground of low layer, plastics materials is launched at high level, plastics materials enter feed system under gravity.But
It is that plastics materials collide with feed system during whereabouts and easily raise flying dust, staff by extruder is good for
Health impacts.
Utility model content
The purpose of this utility model is to provide a kind of feed arrangement for double screw extruder, can reduce due to plastics
Material launches caused flying dust, and then protects the health of staff by extruder.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of feed arrangement of double screw extruder, including the conical ring and and conical ring being clamped with extruder feeding hopper
Connected conveying pipeline, the conveying pipeline includes the feed pipe entered for plastics materials, is connected with feed pipe and adjustable in length
Primary and secondary articulated pipe and the discharge nozzle with connecting conical ring.
By using above-mentioned technical proposal, by being provided with conical ring and feed pipe on feeding hopper, feed pipe passes through outer
It connects stent and is fixed on high-rise place, plastics materials enter conveying pipeline from feed pipe, by entering after primary and secondary articulated pipe from discharge nozzle
Conical ring is subsequently entered inside feeding hopper, and plastics materials enter the flying dust that feeding hopper is raised with feeding hopper collision to be kept off by conical ring
Firmly, it will not disperse and the staff by extruder is impacted to outside；In addition, the adjustable design of primary and secondary joint length can
To facilitate the use of different occasions.
Preferably, the primary and secondary articulated pipe includes the primary and secondary joint of pivot bush unit successively, the primary and secondary joint includes mother
Joint and the sub- joint being connected with female joint.
By using above-mentioned technical proposal, the length of the primary and secondary joint regulator female joint pipe by being provided with different numbers
Degree, while the female joint in primary and secondary joint is actively socketed on outside the sub- joint in adjacent primary and secondary joint, can realize primary and secondary joint angles
Adjusting primary and secondary articulated pipe is enable to carry out a degree of bending, primary and secondary articulated pipe is enable to better adapt to different occasions
It uses.
Preferably, it is provided with a transition joints between the sub- joint and female joint.
By using above-mentioned technical proposal, the design of transition joints can further increase the angle of primary and secondary articulated pipe adjusting
Degree, enables primary and secondary articulated pipe to better adapt to the use of different occasions.
Preferably, the discharge nozzle includes connecting joint, described connecting joint one end is movably set in outside sub- joint, institute
The other end and conical ring for stating connecting joint are clamped.
By using above-mentioned technical proposal, pass through the design of connecting joint, connecting joint both ends difference connexon female joint
Pipe and conical ring, plastics materials are entered by connecting joint in conical ring again by primary and secondary articulated pipe.
Preferably, the conical ring includes the material receiving end being clamped with discharge nozzle, the conical ring end expanded outwardly from top to bottom
And the joint end with feeding hopper clamping.
By using above-mentioned technical proposal, conical ring connection conveying pipeline and feeding hopper, wherein material receiving end are clamped with discharge nozzle
Be connected, the clamping of joint end and feeding hopper is connected, while conical ring end expand from discharge nozzle enter feeding hopper when discharging diameter, make
The blanking of plastics materials is more smooth.
Preferably, the conical ring, which is located at material receiving end, is provided with filter plate.
By using above-mentioned technical proposal, since plastics materials are needed before extruder is entered through blender stirring
It is even, the impurity of some large volumes is easily mixed in whipping process, by the design of filter plate, plastics materials are passing through filter plate
When, the impurity of large volume is stopped by filter plate, and plastics materials then by entering in feeding hopper after filter plate, avoid large volume
Impurity impacts the quality of extrusion plastic.
Preferably, the ring baffle for being used to support filter plate is provided in the material receiving end.
By using above-mentioned technical proposal, by the design of ring baffle, filter plate can be first from material receiving end and discharge nozzle
The opening of side of being connected is put into material receiving end, is then again connect conical ring with conveying pipeline, when more miscellaneous of filter plate
First conveying pipeline with conical ring can also be detached and filter plate is cleared up after matter.
Preferably, gathering on the filter plate offers several filter hole, the filter hole is bellmouth, the filtering
The aperture of hole towards feeding hopper side is less than the aperture towards conveying pipeline side.
It, can be to falling the modeling on filter plate by the design that filter hole is bellmouth by using above-mentioned technical proposal
Material material plays the role of guiding, and plastics materials is enable to enter in feeding hopper better by filter hole.
Preferably, the feed pipe is provided with the receiving hopper for splicing.
By using above-mentioned technical proposal, the area of splicing can be increased by the design of receiving hopper, enable plastics materials
It is enough to enter in conveying pipeline better by receiving hopper.
In conclusion the utility model has the advantages that：
1. by being provided with conveying pipeline, plastics materials can be launched into conveying pipeline, are then dropped down onto and are fed under gravity
Hopper, the flying dust that plastics materials are raised with feeding hopper collision are blocked by conical ring, efficiently avoid flying out to squeezing out for flying dust
Staff impacts by machine；
2. by the way that primary and secondary joint successively pivot bush unit is formed primary and secondary articulated pipe, conveying pipeline can be made to adapt to different occasions
It uses；
3. by being provided with filter plate in conical ring, the large volume contaminant filter that can will be mingled in plastics materials.
Description of the drawings
Fig. 1 is schematic diagram when extruder installs feed arrangement；
Fig. 2 is the sectional view of feed arrangement；
Fig. 3 is the schematic diagram of feed pipe；
Fig. 4 is the schematic diagram in primary and secondary joint；
Fig. 5 is the schematic diagram of discharge nozzle；
Fig. 6 is the enlarged drawing at A in Fig. 2；
Fig. 7 is the schematic diagram of filter plate.
In figure, 3, conveying pipeline；31st, feed pipe；311st, connection bucket；312nd, connector；32nd, primary and secondary articulated pipe；321st, primary and secondary
Joint；3211st, primary and secondary joint valve；3212nd, the first fixed ear；3213rd, the first mounting hole；322nd, female joint；323rd, sub- joint；
324th, transition joints；33rd, discharge nozzle；331st, connecting joint；3311st, connecting joint valve；332nd, the second fixed ear；333rd, second is solid
Determine hole；334th, bell and spigot joint；335th, clamping pipe；4th, conical ring；41st, material receiving end；411st, ring baffle；412nd, filter plate；4121st, mistake
Filter opening；42nd, conical ring end；43rd, joint end；431st, buckling groove.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
With reference to Fig. 1, the utility model proposes a kind of feed arrangement of double screw extruder, including with extruder feeding hopper
The conical ring 4 of clamping and the conveying pipeline 3 being connected with conical ring 4, wherein, conveying pipeline 3 includes the charging entered for plastics materials
Pipe 31, the primary and secondary articulated pipe 32 for the adjustable in length being connected with feed pipe 31 and the discharge nozzle 33 with connecting conical ring 4.
With reference to Fig. 2, Fig. 3 and Fig. 4,31 one end of feed pipe, which includes, expands outwardly tapered receiving hopper 311, feed pipe 31
The other end is provided with the connector 312 being flexibly connected with primary and secondary articulated pipe 32；Primary and secondary articulated pipe 32 includes several movable sleeves two-by-two
Connected primary and secondary joint 321 is connect, primary and secondary joint 321 includes sequentially connected sub- joint 323, transition joints 324 and female pass
Section 322.Wherein, sub- 323 structure of joint is identical with 312 structure of connector, and the opening caliber of female joint 322 is more than sub- joint
The caliber of 323 openings.
Primary and secondary joint 321 is splitted in the axial direction includes two sub- female joint valves 3211, and primary and secondary joint valve 3211 is located at
The first fixed ear 3212 is provided on lateral wall at female joint 322, the first mounting hole is offered in the first fixed ear 3212
3213, two first mounting holes 3213 connect and wear bolt and nut by two primary and secondary joint valves after two primary and secondary joint valves 3211 merge
3211 fix.
With reference to Fig. 2 and Fig. 5, discharge nozzle 33 includes the two is connected between primary and secondary articulated pipe 32 and conical ring 4
Connecting joint 331, what connecting joint 331 was clamped including the bell and spigot joint 334 identical with sub- 323 structure of joint and with conical ring 4
It is clamped pipe 335.
Connecting joint 331 is splitted in the axial direction including there are two connecting joint valve 3311, connecting joint valve 3311 is located at
The second fixed ear 332 is provided on lateral wall at bell and spigot joint 334, the second mounting hole 333 is offered in the second fixed ear 332,
Two second mounting holes 333, which connect and wear bolt and nut, after two connecting joint valves 3311 merge consolidates two connecting joint valves 3311
It is fixed.
With reference to Fig. 2, Fig. 6 and Fig. 7, conical ring 4 includes the material receiving end 41 being clamped with clamping pipe 335, in 41 end of material receiving end
The conical ring end 42 expanded outwardly from top to bottom and the joint end 43 extended straight down in 42 end of conical ring end.Wherein, splicing
41 inner walls is held to be provided with ring baffle 411, and in being provided with filter plate 412 on ring baffle 411, are offered on filter plate 412
Tapered filter hole 4121, the aperture of filter hole 4121 towards 3 side of conveying pipeline are more than the aperture towards 11 side of feeding hopper；
43 end of joint end has the buckling groove 431 for the clamping of extruder feeding hopper.
Use process：
Plastics materials enter conveying pipeline 3 from receiving hopper 311, move down under gravity, when plastics materials pass through
After conveying pipeline 3 enters conical ring 4, plastics materials are resisted by the filter plate 412 in material receiving end 41, and filter plate 412 limits substantially
Product impurity passes through, and the plastics materials of small size then continue to be fallen downwards by the upper conical filter hole 4121 of filter plate 412
Material, plastics materials collide the flying dust raised and blocked by conical ring 4 with feeding hopper 11 will not disperse to outside.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model by Patent Law.
Claims (9)
1. a kind of feed arrangement of double screw extruder, which is characterized in that including the conical ring being clamped with extruder feeding hopper（4）
And and conical ring（4）Connected conveying pipeline（3）, the conveying pipeline（3）Including the feed pipe entered for plastics materials（31）And
Feed pipe（31）Connected and adjustable in length primary and secondary articulated pipe（32）And it is connected to conical ring（4）Discharge nozzle（33）.
A kind of 2. feed arrangement of double screw extruder according to claim 1, which is characterized in that the primary and secondary articulated pipe
（32）Primary and secondary joint including pivot bush unit successively（321）, the primary and secondary joint（321）Including female joint（322）And with mother
Joint（322）Connected sub- joint（323）.
A kind of 3. feed arrangement of double screw extruder according to claim 2, which is characterized in that the sub- joint
（323）With female joint（322）Between be provided with a transition joints（324）.
A kind of 4. feed arrangement of double screw extruder according to claim 3, which is characterized in that the discharge nozzle（33）
Including connecting joint（331）, the connecting joint（331）One end is movably set in sub- joint（323）Outside, the connecting joint
（331）The other end and conical ring（4）Clamping.
A kind of 5. feed arrangement of double screw extruder according to claim 4, which is characterized in that the conical ring（4）
Including with discharge nozzle（33）The material receiving end of clamping（41）, the conical ring end that expands outwardly from top to bottom（42）And and feeding hopper（11）
The joint end of clamping（43）.
A kind of 6. feed arrangement of double screw extruder according to claim 4, which is characterized in that the conical ring（4）
Positioned at material receiving end（41）Inside it is provided with filter plate（412）.
A kind of 7. feed arrangement of double screw extruder according to claim 6, which is characterized in that the material receiving end（41）
It is provided with and is used to support filter plate（412）Ring baffle（411）.
A kind of 8. feed arrangement of double screw extruder according to claim 6, which is characterized in that the filter plate
（412）Upper gather offers several filter hole（4121）, the filter hole（4121）For bellmouth, the filter hole（4121）Court
To feeding hopper（11）The aperture of side is less than towards conveying pipeline（3）The aperture of side.
A kind of 9. feed arrangement of double screw extruder according to claim 1, which is characterized in that the feed pipe（31）
It is provided with the receiving hopper for splicing（311）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721586957.4U CN207564911U (en) | 2017-11-23 | 2017-11-23 | A kind of feed arrangement of double screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721586957.4U CN207564911U (en) | 2017-11-23 | 2017-11-23 | A kind of feed arrangement of double screw extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207564911U true CN207564911U (en) | 2018-07-03 |
Family
ID=62691926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721586957.4U Expired - Fee Related CN207564911U (en) | 2017-11-23 | 2017-11-23 | A kind of feed arrangement of double screw extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207564911U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110497601A (en) * | 2019-08-09 | 2019-11-26 | 宁波新安东密封保温系统有限公司 | A kind of complex extruder |
-
2017
- 2017-11-23 CN CN201721586957.4U patent/CN207564911U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110497601A (en) * | 2019-08-09 | 2019-11-26 | 宁波新安东密封保温系统有限公司 | A kind of complex extruder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180703 Termination date: 20211123 |