CN211683383U - Three-screw parallel extruder - Google Patents
Three-screw parallel extruder Download PDFInfo
- Publication number
- CN211683383U CN211683383U CN201922421196.2U CN201922421196U CN211683383U CN 211683383 U CN211683383 U CN 211683383U CN 201922421196 U CN201922421196 U CN 201922421196U CN 211683383 U CN211683383 U CN 211683383U
- Authority
- CN
- China
- Prior art keywords
- feeding
- cylinder
- screw
- barrel
- cylinder body
- 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.)
- Active
Links
Images
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model belongs to the technical field of plastic extrusion, and provides a three-screw parallel extruder, which comprises a frame and a protective outer cylinder, wherein the protective outer cylinder is arranged on the frame; the feeding cylinder is arranged on the rack and positioned in the protective outer cylinder; the combined barrel is arranged on the rack and positioned in the protective outer barrel, one end of the sent combined barrel is connected with the feeding barrel, the combined barrel comprises a plurality of closed barrels and a plurality of exhaust barrels, and the closed barrels are connected with the exhaust barrels end to end; the machine head is arranged on the machine frame and connected with one end of the combined cylinder body, which is far away from the feeding cylinder body, and a plurality of extrusion holes are formed in the machine head; the main screw is rotatably arranged in the feeding cylinder and the combined cylinder; the first power mechanism is used for providing power to enable the main screw rod to rotate. Through above-mentioned technical scheme, the problem of plastic extruder production equipment difficulty among the prior art has been solved.
Description
Technical Field
The utility model belongs to the technical field of the plastics is extruded, a three-screw parallel extruder is related to.
Background
The extruder belongs to one of the types of plastic machinery, and the screw extruder depends on pressure and shearing force generated by screw rotation, can fully plasticize and uniformly mix materials, and can be generally divided into a single-screw extruder, a double-screw extruder and a multi-screw extruder through mouth mold forming. The three-screw granulator is one of multi-screw granulators, has better performance compared with a single-screw granulator and a double-screw granulator, and the performance of the produced product is better. Due to different requirements, the required extrusion length of the extruder is different, and the extrusion barrel in the prior art cannot be customized at will, so that the problem of difficulty in production and assembly is often caused when the extruders of different models are customized.
SUMMERY OF THE UTILITY MODEL
The utility model provides a three-screw parallel extruder has solved the problem of plastic extruder production equipment difficulty among the prior art.
The technical scheme of the utility model is realized like this:
a three screw parallel extruder comprising:
a machine frame, a plurality of guide rails and a plurality of guide rails,
the protective outer cylinder is arranged on the rack;
the feeding cylinder is arranged on the rack and positioned in the protective outer cylinder;
the combined cylinder body is arranged on the rack and positioned in the protective outer cylinder, one end of the sent combined cylinder body is connected with the feeding cylinder body, the combined cylinder body comprises a plurality of closed cylinder bodies and a plurality of exhaust cylinder bodies, and the closed cylinder bodies are connected with the exhaust cylinder bodies end to end;
the machine head is arranged on the rack and connected with one end of the combined cylinder body, which is far away from the feeding cylinder body, and a plurality of extrusion holes are formed in the machine head;
the main screw is rotatably arranged in the feeding cylinder and the combined cylinder;
the first power mechanism is used for providing power to enable the main screw rod to rotate.
As a further technical solution, it is proposed that,
screw cavities are arranged in the feeding cylinder, the closed cylinder and the exhaust cylinder, the main screw is arranged in the screw cavities,
the two ends of the feeding cylinder, the closed cylinder and the exhaust cylinder are provided with convex edges, and the convex edges are provided with mounting holes;
a feeding pipe is arranged on the side wall of the feeding cylinder body and communicated with the screw cavity;
and an exhaust pipe is arranged on the side wall of the exhaust cylinder body.
As a further technical scheme, the number of the main screw rods is three, and the main screw rods are arranged in a straight line shape.
As a further technical scheme, the feeding device also comprises a feeding mechanism, wherein the feeding mechanism comprises:
the hopper is arranged on the rack;
the feeding pipe is horizontally arranged on the rack and is communicated with the hopper and the feeding pipe;
and two feeding screws are arranged in the same direction by adopting meshing.
As a further technical scheme, the device further comprises a stirring device, and the stirring device is arranged on the rack and used for stirring the materials.
As a further technical solution, the stirring device includes:
the stirring shaft penetrates through the side wall of the hopper, one end of the stirring shaft is positioned in the hopper, and the other end of the stirring shaft is positioned outside the hopper;
the stirring blades are uniformly arranged on the stirring shaft.
As a further technical solution, the power transmission device further comprises a second power mechanism, wherein the second power mechanism comprises:
the motor is arranged on the rack;
the speed reducer is a three-output-shaft speed reducer, an input shaft of the speed reducing motor is connected with an output shaft of the motor, and three output shafts of the speed reducing motor are respectively connected with the two feeding screws and the stirring shaft.
The utility model discloses a theory of operation and beneficial effect do:
1. the utility model discloses in, be equipped with the protection urceolus in the frame, be equipped with feeding barrel and combination barrel in the protection urceolus, be equipped with the main screw in feeding barrel and combination barrel, send into the material in the feed inlet of feeding barrel, the main screw rotates under first power unit effect, the material is sheared under the effect of main screw, mix, the compaction, and promote forward, extrusion moulding in the extrusion hole from the aircraft nose, the exhaust hole of air on the aiutage is followed to the air in the bubble that extrudes out in the course of the work, avoid the too big incident that causes of pressure in the barrel, the mode through multisection concatenation with the feeding barrel, the close mouthful barrel, the aiutage is connected, it is more convenient that the sub-module production is direct, the equipment is also very convenient.
2. The utility model discloses in, the major structure of feeding barrel, the barrel that closes, the exhaust barrel is the same, all is equipped with the screw cavity and is equipped with protruding edge at both ends, is equipped with the mounting hole on protruding edge, passes the connection that the mounting hole realized between each barrel through the bolt, and the feeding barrel increases inlet pipe and screw cavity intercommunication on the basis of the barrel that closes, and the exhaust barrel increases blast pipe and screw cavity intercommunication on the basis of the barrel that closes, and the production equipment is convenient.
3. In the utility model, three main screw rods arranged in a straight line are arranged in the machine barrel, an engagement area is formed between two adjacent main screw rods, two engagement areas are formed between three main screw rods, the contact area of materials and the main screw rods in the machine barrel can be increased, the materials are equivalent to two double screw rods acting simultaneously when moving, the mixing is more sufficient, the effect which can be achieved by the double screw rods with larger length-diameter ratio can be realized by smaller length-diameter ratio, the machine type is smaller, and the occupied space is smaller; and the design of three screws, the space of material free flow in the barrel increases, is favorable to reducing the main screw moment of torsion, reduces the noise, also can reduce the consumption simultaneously.
4. The utility model discloses in, in putting into the hopper with the material, the material moves in the feed pipe under the effect of two feed screw rods that adopt the meshing syntropy to set up, when moving inlet pipe top position, in falling into the barrel from the inlet pipe, feed mechanism's setting can be controlled feed speed, makes the feed more even.
5. The utility model discloses in, set up agitating unit, stir the material in the hopper, can avoid the material bridging, influence the feed.
6. The utility model discloses in, rotate the (mixing) shaft outside the hopper, the stirring leaf rotates thereupon, stirs the material in the hopper, makes the material motion, avoids piling up the bridge.
7. The utility model discloses in, second power unit includes the speed reducer of motor and three output shafts, and the output shaft of motor is connected with the input shaft of speed reducer, and the three output shaft of speed reducer is connected with two feed screw rods and agitator shaft respectively, provides feed screw rod rotation and (mixing) shaft pivoted power by second drive mechanism.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a front view of the present invention;
FIG. 3 is a schematic view of a barrel configuration;
FIG. 4 is a schematic structural view of a closed-end cylinder;
FIG. 5 is a partial schematic view of a feeding mechanism;
in the figure: the automatic feeding device comprises a frame 1, a protective outer cylinder 2, a feeding cylinder 3, a feeding pipe 31, a combined cylinder 4, a closed cylinder 41, a screw cavity 411, a convex edge 412, a mounting hole 413, an exhaust cylinder 42, an exhaust pipe 421, a machine head 5, an extrusion hole 51, a main screw 6, a first power mechanism 7, a feeding mechanism 8, a hopper 81, a feeding pipe 82, a feeding screw 83, a stirring device 9, a stirring shaft 91, a stirring blade 92, a second power mechanism 10, a motor 101 and a speed reducer 102.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in the figures 1-5 of the drawings,
a three-screw parallel extruder, comprising:
the machine frame (1) is provided with a frame,
the protective outer cylinder 2 is arranged on the rack 1;
the feeding cylinder 3 is arranged on the rack 1 and positioned in the protective outer cylinder 2;
the combined cylinder 4 is arranged on the rack 1 and positioned in the protective outer cylinder 2, one end of the sent combined cylinder 4 is connected with the feeding cylinder 3, the combined cylinder 4 comprises a plurality of closed cylinders 41 and a plurality of exhaust cylinders 42, and the closed cylinders 41 and the exhaust cylinders 42 are connected end to end;
the machine head 5 is arranged on the machine frame 1 and connected with one end of the combined cylinder 4 far away from the feeding cylinder 3, and a plurality of extrusion holes 51 are formed in the machine head 5;
the main screw 6 is rotationally arranged in the feeding cylinder 3 and the combined cylinder;
and the first power mechanism 7 is used for providing power to rotate the main screw rod 6.
In the embodiment, the protective outer cylinder 2 is arranged on the rack 1, the feeding cylinder 3 and the combined cylinder 4 are arranged in the protective outer cylinder 2, the main screw 6 is arranged in the feeding cylinder 3 and the combined cylinder 4, materials are fed from a feeding port of the feeding cylinder 3, the main screw 6 rotates under the action of the first power mechanism 7, the materials are cut, mixed and compacted under the action of the main screw 6 and are pushed forwards, the materials are extruded and formed from an extrusion hole 51 on the head 5, air in bubbles extruded out in the working process is discharged from an exhaust hole on the exhaust cylinder 42, safety accidents caused by overlarge pressure in the cylinder are avoided, the feeding cylinder 3, the closed-end cylinder 41 and the exhaust cylinder 42 are connected in a multi-section splicing mode, direct production is more convenient in a modular production mode, and assembly is also very convenient.
Further, in the present invention,
the feeding cylinder 3, the closed cylinder 41 and the exhaust cylinder 42 are all provided with a screw cavity 411, the main screw 6 is arranged in the screw cavity 411,
the two ends of the feeding cylinder 3, the closed cylinder 41 and the exhaust cylinder 42 are respectively provided with a convex edge 412, and the convex edges 412 are provided with mounting holes 413;
a feeding pipe 31 communicated with the screw cavity 411 is arranged on the side wall of the feeding barrel 3;
an exhaust pipe 421 is provided on the side wall of the exhaust cylinder 42.
In this embodiment, the major structure of feeding barrel 3, close a mouthful barrel 41, exhaust barrel 42 is the same, all be equipped with screw cavity 411 and be equipped with protruding edge 412 at both ends, be equipped with mounting hole 413 on protruding edge 412, pass the connection between each barrel of mounting hole 413 realization through the bolt, feeding barrel 3 increases inlet pipe 31 and screw cavity 411 intercommunication on the basis of close a mouthful barrel 41, exhaust barrel 42 increases blast pipe 421 and screw cavity 411 intercommunication on the basis of close a mouthful barrel 41, the production equipment is convenient.
Further, the number of the main screws 6 is three, and the main screws are arranged in a straight line.
In the embodiment, three main screws 6 arranged in a straight line are arranged in the machine barrel, an engagement area is formed between every two adjacent main screws 6, and two engagement areas are formed between every two adjacent main screws 6, so that the contact area of a material and the main screws 6 in the machine barrel can be increased, the material movement is equivalent to the simultaneous action of two double screws, the mixing is more sufficient, the effect which can be achieved only by the larger length-diameter ratio of the double screws can be realized by the smaller length-diameter ratio, the machine type is smaller, and the occupied space is smaller; and the design of three screws, the space of material free flow in the barrel increases, is favorable to reducing 6 moments of torsion of main screw, reduces the noise, also can reduce the consumption simultaneously.
Further, still include feed mechanism 8, feed mechanism 8 includes:
the hopper 81 is arranged on the frame 1;
the feeding pipe 82 is horizontally arranged on the rack 1, and is communicated with the hopper 81 and the feeding pipe 31;
the number of the feeding screws 83 is two, and the feeding screws 83 are arranged in the same direction by meshing.
In this embodiment, the material is placed in the hopper 81, the material moves in the feeding pipe 82 under the action of two feeding screws 83 arranged in the same direction by meshing, and when the material moves to a position above the feeding pipe 31, the material falls into the machine barrel from the feeding pipe 31, and the feeding mechanism 8 is arranged to control the feeding speed, so that the feeding is more uniform.
Further, still include agitating unit 9, set up and be used for stirring the material in frame 1.
In this embodiment, set up agitating unit 9, stir the material in hopper 81, can avoid the material bridging, influence the feed.
Further, the stirring device 9 includes:
the stirring shaft 91 penetrates through the side wall of the hopper 81, one end of the stirring shaft 91 is positioned in the hopper 81, and the other end of the stirring shaft 91 is positioned outside the hopper 81;
the stirring vanes 92 are provided, and the stirring vanes 92 are uniformly arranged on the stirring shaft 91.
In this embodiment, the stirring shaft 91 is rotated outside the hopper 81, and the stirring blades 92 are rotated therewith to stir the materials in the hopper 81, so that the materials move, and the stacking and bridging are avoided.
Further, still include second power unit 10, second power unit 10 includes:
the motor 101, the motor 101 is set up on framework 1;
the speed reducer 102 is a three-output-shaft speed reducer 102, an input shaft of the speed reducer 102 is connected with an output shaft of the motor 101, and three output shafts of the speed reducer 102 are respectively connected with the two feeding screws 83 and the stirring shaft 91.
In this embodiment, the second power mechanism 10 includes a motor 101 and a speed reducer 102 with three output shafts, the output shaft of the motor 101 is connected to the input shaft of the speed reducer 102, the three output shafts of the speed reducer 102 are respectively connected to the two feeding screws 83 and the stirring shaft 91, and the second transmission mechanism provides power for rotation of the feeding screws 83 and rotation of the stirring shaft 91.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A three-screw parallel extruder, comprising:
a machine frame (1),
the protective outer cylinder (2), the protective outer cylinder (2) is arranged on the rack (1);
the feeding cylinder (3) is arranged on the rack (1) and is positioned in the protective outer cylinder (2);
the combined cylinder body (4) is arranged on the rack (1) and located in the protective outer cylinder (2), one end of the sent combined cylinder body (4) is connected with the feeding cylinder body (3), the combined cylinder body (4) comprises a plurality of closed cylinder bodies (41) and a plurality of exhaust cylinder bodies (42), and the closed cylinder bodies (41) are connected with the exhaust cylinder bodies (42) end to end;
the machine head (5) is arranged on the rack (1) and connected with one end, far away from the feeding cylinder (3), of the combined cylinder (4), and a plurality of extrusion holes (51) are formed in the machine head (5);
the main screw (6) is rotatably arranged in the feeding barrel (3) and the combined barrel;
the first power mechanism (7), the first power mechanism (7) is used for providing power to make the main screw rod (6) rotate.
2. A three-screw parallel extruder according to claim 1,
screw cavities (411) are arranged in the feeding cylinder body (3), the closed cylinder body (41) and the exhaust cylinder body (42), the main screw (6) is arranged in the screw cavities (411),
the two ends of the feeding cylinder (3), the closed cylinder (41) and the exhaust cylinder (42) are respectively provided with a convex edge (412), and the convex edges (412) are provided with mounting holes (413);
a feeding pipe (31) is arranged on the side wall of the feeding cylinder body (3) and communicated with the screw cavity (411);
an exhaust pipe (421) is arranged on the side wall of the exhaust cylinder body (42).
3. A three-screw parallel extruder according to claim 1, wherein the main screws (6) are three and arranged in a straight line.
4. A three-screw parallel extruder according to claim 2, further comprising a feeding mechanism (8), said feeding mechanism (8) comprising:
the hopper (81), the hopper (81) is arranged on the frame (1);
the feeding pipe (82) is horizontally arranged on the rack (1) and is communicated with the hopper (81) and the feeding pipe (31);
the number of the feeding screws (83) is two, and the feeding screws (83) are arranged in the same meshing direction.
5. A three-screw parallel extruder according to claim 4, further comprising a stirring device (9), wherein the stirring device (9) is arranged on the frame (1) for stirring the material.
6. A three-screw parallel extruder according to claim 5, wherein the stirring device (9) comprises:
the stirring shaft (91) penetrates through the side wall of the hopper (81), one end of the stirring shaft (91) is positioned in the hopper (81), and the other end of the stirring shaft (91) is positioned outside the hopper (81);
the stirring blades (92) are uniformly arranged on the stirring shaft (91), and the number of the stirring blades (92) is a plurality.
7. A three-screw parallel extruder according to claim 6, further comprising a second power mechanism (10), said second power mechanism (10) comprising:
the motor (101), the said motor (101) is set up on the said framework (1);
the speed reducer (102) is a three-output-shaft speed reducer (102), an input shaft of the speed reducer (102) is connected with an output shaft of the motor (101), and three output shafts of the speed reducer (102) are respectively connected with the two feeding screws (83) and the stirring shaft (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922421196.2U CN211683383U (en) | 2019-12-28 | 2019-12-28 | Three-screw parallel extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922421196.2U CN211683383U (en) | 2019-12-28 | 2019-12-28 | Three-screw parallel extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211683383U true CN211683383U (en) | 2020-10-16 |
Family
ID=72796143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922421196.2U Active CN211683383U (en) | 2019-12-28 | 2019-12-28 | Three-screw parallel extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211683383U (en) |
-
2019
- 2019-12-28 CN CN201922421196.2U patent/CN211683383U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2546880B2 (en) | Screw extruder | |
| CN211307300U (en) | Double-screw extruder is used in plastic products production | |
| CN216329315U (en) | Banburying extruder | |
| CN212653851U (en) | Plastic extruder | |
| CN214082726U (en) | Anti-blocking type screw extruder material mixing and discharging device | |
| CN104494103A (en) | Three-screw extruder | |
| CN209832537U (en) | Quantitative feeding device of extruder | |
| CN211683383U (en) | Three-screw parallel extruder | |
| CN211221961U (en) | Double-screw extruder for rubber processing | |
| CN114986843B (en) | Double-screw anti-blocking plastic extruding machine for plastic particle production | |
| CN217169666U (en) | Feeding structure of double-screw extruder | |
| CN215203386U (en) | Special extrusion screw for efficient granulation of flat-double polyvinyl chloride powder | |
| CN213564246U (en) | Double-screw extruder is used in production of resistant master batch | |
| CN113211761A (en) | Precision double-screw extruder | |
| CN213533316U (en) | Integrative device is extruded in feed | |
| CN211917661U (en) | Novel double-screw extruder | |
| CN112339240A (en) | Gradient screw extrusion mechanism | |
| CN220409577U (en) | Double-screw extruder of plastic sheet machine set | |
| CN219427416U (en) | Extruder with pressurizing spiral coil at rear end | |
| CN211105492U (en) | Feeding device of plastic raw material processing extruder | |
| CN219650518U (en) | Single screw extrusion molding device | |
| CN214871893U (en) | Masterbatch extrusion device | |
| CN214266576U (en) | High-efficient extruder for moulding powder production | |
| CN2763009Y (en) | Calendering head device for extrusion cylinder of injection machine | |
| CN217196847U (en) | High-efficient broken cavity grid plate granulation extruder of exempting from |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |