CN219634486U - Double-charging-barrel extruder - Google Patents
Double-charging-barrel extruder Download PDFInfo
- Publication number
- CN219634486U CN219634486U CN202321219432.2U CN202321219432U CN219634486U CN 219634486 U CN219634486 U CN 219634486U CN 202321219432 U CN202321219432 U CN 202321219432U CN 219634486 U CN219634486 U CN 219634486U
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- mixing
- barrel
- charging
- motor
- screw rod
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- 238000002156 mixing Methods 0.000 claims abstract description 88
- 238000007599 discharging Methods 0.000 claims abstract description 23
- 238000001125 extrusion Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 abstract description 30
- 229920003023 plastic Polymers 0.000 abstract description 24
- 239000004033 plastic Substances 0.000 abstract description 24
- 239000012752 auxiliary agent Substances 0.000 abstract description 12
- 239000000463 material Substances 0.000 description 35
- 230000000694 effects Effects 0.000 description 7
- 238000003756 stirring Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 229920000426 Microplastic Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model provides a double-cylinder extruder, which comprises two parts of structures, namely: the device comprises two charging barrels and a mixing frame, wherein a pushing screw rod is rotationally connected inside the charging barrels, one end of the pushing screw rod is in transmission connection with a first motor, and a discharging notch is formed in the bottom of one end of the charging barrel; the top of both sides of the mixing frame is provided with a blanking slot, the center of the top of the mixing frame is provided with a second motor, a rotating shaft of the second motor is connected with a prismatic rod, one end of the prismatic rod is fixed with an extrusion spiral rod, and the outer part of the prismatic rod is sleeved with a mixing disc; the technical key points are as follows: the second motor is used for controlling the prismatic rod to drive the extrusion screw rod and the mixing disc to rotate, and before plastic particles and auxiliary agent particles enter the mixing frame from the interiors of the two charging barrels respectively and are gathered from the two sides of the top to the center of the bottom and enter the interior of the extrusion screw rod, the mixing disc which is rotated continuously exchanges the positions of the plastic particles, so that the plastic particles and the auxiliary agent particles can be fully mixed.
Description
Technical Field
The utility model belongs to the technical field of extruders, and particularly relates to a double-cylinder extruder.
Background
The extruder is used as one kind of plastic machine, and can divide the machine head into right-angle machine head, oblique-angle machine head, etc. according to the material flow direction of the machine head and the included angle of the central line of the screw rod, the screw rod extruder relies on the pressure and shearing force produced by the rotation of the screw rod, so that the materials can be fully plasticized and evenly mixed, and the materials are molded through the mouth die. Plastic extruders can be categorized basically into twin-screw extruders, single-screw extruders and less common multi-screw extruders and screw-less extruders, whatever the type of extruder, including: six parts of transmission, feeding device, charging barrel, screw, machine head and mouth die.
The prior Chinese patent document publication No. CN207156403U discloses a double-barrel plastic extruder, wherein a scraping plate contacted with the inner wall of a barrel is arranged on a stirring rod on a stirring device, and when the stirring device rotates, a melt on the inner wall of the barrel is scraped off by the scraping plate, so that the generation of caking on the barrel is avoided, the stirring effect is improved, and the working efficiency is improved.
However, in the process of implementing the above technical solution, the following technical problems are found in the above technical solution:
when the existing double-cylinder plastic extruder conveys plastics and auxiliary agents to be extruded, the stirring device is used for mixing the plastics particles and the auxiliary agents to be melted and extruded, but because the charging cylinders are arranged vertically, the discharging speed of the plastics particles is higher before the plastics particles are melted, and the plastics particles and the auxiliary agents are not favorable for being fully mixed.
Disclosure of Invention
In order to overcome the defects of the prior art, the embodiment of the utility model provides the double-cylinder extruder, the extrusion screw rod and the mixing disc are driven to rotate by the second motor to control the prismatic rod, and before plastic particles and auxiliary agent particles enter the mixing frame from the interiors of the two cylinders respectively and are gathered from the two sides of the top to the center of the bottom and enter the interior of the extrusion screw rod, the mixing disc which is rotated continuously exchanges the positions of the plastic particles, so that the mixing effect of the plastic particles and the auxiliary agent particles is guaranteed, and the problems that the feeding speed of the plastic particles is higher before melting and the plastic particles and the auxiliary agent are not fully mixed are solved.
The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows:
the utility model provides a double-barrel extruder, includes the structure of two parts, does respectively: the device comprises two charging barrels and a mixing frame, wherein the two charging barrels are horizontally arranged, a pushing screw rod is rotatably connected in the charging barrels, one end of the pushing screw rod is in transmission connection with a first motor, the top of one end of each charging barrel is fixedly connected with a feeding hopper, and a discharging notch is formed in the bottom of the other end of each charging barrel;
the top of both sides of the mixing frame is provided with a blanking slot, the center of the top of the mixing frame is connected with a second motor in an assembling way, a rotating shaft of the second motor is connected with a prismatic rod in a transmission way, and one end of the prismatic rod is fixedly connected with an extrusion spiral rod;
the outside of prismatic pole cup joints and is connected with the mixing disc, extrude the screw rod rotation and connect in the inside of mixing frame.
In one possible implementation, the discharge slot and the interior of the charging hopper are both in communication with the interior of the cartridge, and the first motor is connected with the cartridge in a fitting manner.
In one possible implementation, the bottoms of one ends of the two charging barrels are fixedly connected with a connecting plate, the bottoms of the connecting plates are assembled with an assembly frame, and the two charging barrels are erected to the top of the assembly frame.
In one possible implementation, the bottom of the mixing rack is connected to the top of one side of the assembly rack in a plug-in manner, and the interiors of the two discharging slots are respectively communicated with the interiors of the two discharging slots.
In one possible implementation manner, a circular truncated cone groove is formed in the top of the mixing disc, and a plurality of blanking holes are formed in the mixing disc.
In one possible implementation manner, the inner wall of the circular truncated cone groove is fixedly connected with a plurality of guide arc strips, the guide arc strips are uniformly spaced around the top of the mixing disc, and the blanking holes are respectively positioned between two adjacent guide arc strips.
In one possible implementation, the mixing disk extends into the top of the inside of the cylindrical section of the mixing rack, and the mixing disk is rotatably connected inside the cylindrical section.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. the extrusion screw rod and the mixing disc are driven to rotate by the second motor to control the prismatic rod, and before plastic particles and auxiliary agent particles enter the mixing frame from the interiors of the two charging barrels respectively and are gathered from the two sides of the top to the center of the bottom and enter the interior of the extrusion screw rod, the positions of the plastic particles are continuously exchanged by the rotating mixing disc, so that the mixing effect of the plastic particles and the auxiliary agent particles is guaranteed;
2. the second motor is used for controlling the prismatic rod to drive the mixing disc to rotate, the circular table groove at the top of the mixing disc is processed, materials are collected at the top of the mixing disc, the plurality of guide arc strips are used for rotating the materials, the materials are at the exchange positions along with the rotation of the mixing disc, and the mixing effect of two different material particles is guaranteed.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model in a use state;
FIG. 2 is a schematic view of the overall structure of the present utility model in a disassembled state;
FIG. 3 is a schematic view of the diagonal bracing member of the present utility model;
fig. 4 is a schematic view of the diagonal bracing member structure of the present utility model.
Description of the drawings: 1. feeding into a hopper; 2. a first motor; 3. an assembly frame; 4. a charging barrel; 5. a second motor; 6. a mixing rack; 7. pushing the screw rod; 8. a connecting plate; 9. a blanking notch; 10. a mixing tray; 11. a prism rod; 12. extruding a screw rod; 13. guiding an arc strip; 14. a circular table groove; 15. a blanking hole; 16. and a discharging notch.
Detailed Description
The technical scheme in the embodiment of the utility model aims to solve the problems of the background technology, and the general thought is as follows:
example 1:
the embodiment introduces a specific structure of a double-barrel extruder, and specifically referring to fig. 1-4, the double-barrel extruder comprises two barrels 4 and a mixing frame 6, wherein the two barrels 4 are horizontally arranged, a pushing screw rod 7 is rotatably connected in the barrel 4, one end of the pushing screw rod 7 is in transmission connection with a first motor 2, the top of one end of the barrel 4 is fixedly connected with a feeding hopper 1, and a discharging slot 16 is formed in the bottom of the other end of the barrel 4;
wherein, the discharge slot 16 and the inside of the feeding hopper 1 are communicated with the inside of the charging barrel 4, the first motor 2 is connected with the charging barrel 4 in an assembling way, plastic particles and auxiliary agent particles are respectively loaded into the inside of the two charging barrels 4 from the two feeding hoppers 1, and the first motor 2 drives the pushing screw rod 7 to rotate so as to push materials from the inside of one end of the charging barrel 4 to the top of the discharge slot 16 at the other end;
the top of both sides of the mixing frame 6 is provided with a blanking slot 9, the center of the top of the mixing frame 6 is connected with a second motor 5 in an assembling way, a rotating shaft of the second motor 5 is connected with a prismatic rod 11 in a transmission way, and one end of the prismatic rod 11 is fixedly connected with an extrusion spiral rod 12;
the bottom of the mixing rack 6 is connected to the top of one side of the assembly rack 3 in a plug-in manner, the interiors of the two discharging slot openings 9 are respectively communicated with the interiors of the two discharging slot openings 16, and when materials in the charging barrel 4 are pushed to the top of the discharging slot opening 16 by the pushing screw rod 7, the materials fall into the interiors of the discharging slot openings 9 from the discharging slot opening 16 and are gathered from two sides of the top of the mixing rack 6 to the center;
secondly, in order to naturally mix the materials discharged from the two sides of the discharging opening 9 when the extrusion screw 12 extrudes the materials to the bottom, a mixing disc 10 is connected outside the prismatic rod 11 in a sleeved mode, and before the materials enter the extrusion screw 12, the positions of the materials at the two sides of the top of the mixing frame 6 are continuously exchanged by the rotating mixing disc 10, so that mixing work is carried out;
furthermore, in order to horizontally mount the two cartridges 4 to the same height, a coupling plate 8 is fixedly connected to the bottom of one end of the two cartridges 4, and an assembly frame 3 is assembled to the bottom of the coupling plate 8.
By adopting the technical scheme:
according to the design, the mixing frame 6 is inserted into the top of one side of the assembly frame 3, the two discharging grooves 9 processed on the tops of two sides of the mixing frame 6 are respectively communicated with the interiors of the discharging grooves 16 processed on the bottoms of one side of the charging barrels 4, when plastic particles and auxiliary particles are respectively loaded into the interiors of the two charging barrels 4 from the two charging hoppers 1, the first motor 2 drives the pushing screw 7 to rotate, materials are pushed from the interiors of one end of the charging barrels 4 to the tops of the discharging grooves 16 at the other end, the materials fall into the interiors of the two discharging grooves 9 respectively and are gathered towards the center, at the moment, the second motor 5 controls the prismatic rods 11 to drive the extrusion screw 12 and the mixing disc 10 to rotate, and before the materials enter the interiors of the extrusion screw 12, the rotated mixing disc 10 continuously exchanges positions of the plastic particles, so that the effect of mixing the plastic particles and the auxiliary particles is finally achieved, and the falling speed of the materials cannot be influenced in the process.
Example 2:
based on embodiment 1, this embodiment describes a specific structure of a mixing disc 10, a circular truncated cone groove 14 is formed on the top of the mixing disc 10, and a plurality of blanking holes 15 are formed in the mixing disc 10;
when the materials fall to the top of the mixing disc 10, the materials are guided by the circular table groove 14 to fall to the center of the top of the mixing disc 10, and can fall from the inside of the blanking hole 15 to the bottom in the rotation process of the mixing disc 10 by being matched with the centrifugal force in the rotation process of the mixing disc 10;
secondly, the inner wall fixed connection a plurality of guide arc strips 13 of circular table groove 14, a plurality of guide arc strips 13 equidistant encircle at the top of mixing tray 10, and a plurality of unloading holes 15 are located between two adjacent guide arc strips 13 respectively, stretch into the top of mixing tray 10 the inside of the cylinder section of thick bamboo of mixing frame 6, and when mixing tray 10 swivelling joint is inside the cylinder section of thick bamboo section, can guarantee that mixing tray 10 drives the inside plastic granules of circular table groove 14 and auxiliary agent granule and rotate, be favorable to mixing frame 6 both sides top's material exchange position.
The specific operation steps are as follows:
s1, a first motor 2 drives a pushing screw rod 7 to rotate, materials are pushed to the top of a discharging notch 16 at the other end from the inside of one end of a charging barrel 4, and the discharging notch 16 discharges materials into a discharging notch 9 at the top of two sides of a mixing frame 6;
s2, collecting materials from the tops of two sides of a mixing frame 6 to the center of the bottom, controlling a prismatic rod 11 by a second motor 5 to drive a mixing disc 10 to rotate, collecting the materials on the top of the mixing disc 10 by using a circular table groove 14 processed on the top of the mixing disc 10, driving the materials to rotate by a plurality of guide arc strips 13, and enabling the materials to fall from the interiors of a plurality of blanking holes 15 to the bottom of the mixing disc 10 when the materials rotate along with the mixing disc 10 to exchange positions;
s3, the prism rod 11 drives the mixing disc 10 to rotate and simultaneously drives the extrusion screw rod 12 to push materials to the bottom, so that the materials are extruded.
By adopting the technical scheme:
according to the design, the prismatic rod 11 is controlled by the second motor 5 to drive the extrusion screw rod 12 and the mixing disc 10 to rotate, before materials enter the extrusion screw rod 12, the materials are collected at the top of the mixing disc 10 through the circular table groove 14 processed at the top of the mixing disc 10, the materials are driven to rotate through the plurality of guide arc strips 13, and the materials fall to the bottom of the mixing disc 10 from the inside of the plurality of blanking holes 15 along with the rotation and exchange positions of the mixing disc 10, so that the mixing effect of two different material particles is guaranteed.
Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present utility model and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (7)
1. A twin-barrel extruder, comprising:
the automatic feeding device comprises two charging barrels (4), wherein the two charging barrels (4) are horizontally arranged, a pushing screw rod (7) is rotatably connected in the charging barrels (4), one end of the pushing screw rod (7) is in transmission connection with a first motor (2), the top of one end of each charging barrel (4) is fixedly connected with a feeding hopper (1), and a discharging notch (16) is formed in the bottom of the other end of each charging barrel (4);
the mixing rack (6), the top of mixing rack (6) both sides all is processed has silo mouth (9), the center assembly at mixing rack (6) top is connected with second motor (5), the pivot transmission of second motor (5) is connected with prismatic pole (11), the one end fixed connection of prismatic pole (11) has extrusion screw rod (12);
the outside of prismatic pole (11) cup joints and is connected with mixing disk (10), extrude screw rod (12) rotation type and connect in the inside of mixing frame (6).
2. A twin-barrel extruder as defined in claim 1, wherein: the inside of ejection of compact notch (16) and income hopper (1) all is linked together with the inside of feed cylinder (4), first motor (2) are connected with feed cylinder (4) assembly.
3. A twin-barrel extruder as defined in claim 1, wherein: the bottom of one end of each charging barrel (4) is fixedly connected with a connecting plate (8), an assembly frame (3) is assembled at the bottom of each connecting plate (8), and the two charging barrels (4) are erected to the top of the assembly frame (3).
4. A twin-barrel extruder as defined in claim 1, wherein: the bottom of the mixing rack (6) is connected to the top of one side of the assembly rack (3) in a plug-in mode, and the interiors of the two discharging notches (9) are respectively communicated with the interiors of the two discharging notches (16).
5. A twin-barrel extruder as defined in claim 1, wherein: the top of the mixing disc (10) is provided with a circular truncated cone groove (14), and a plurality of blanking holes (15) are formed in the mixing disc (10).
6. A twin-barrel extruder as defined in claim 5, wherein: the inner wall of the round table groove (14) is fixedly connected with a plurality of guide arc strips (13), a plurality of guide arc strips (13) are equidistantly encircling the top of the mixing disc (10), and a plurality of blanking holes (15) are respectively positioned between two adjacent guide arc strips (13).
7. A twin-barrel extruder as defined in claim 1, wherein: the mixing disc (10) stretches into the top of the inner side of the cylindrical barrel part of the mixing frame (6), and the mixing disc (10) is rotatably connected inside the cylindrical barrel part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321219432.2U CN219634486U (en) | 2023-05-19 | 2023-05-19 | Double-charging-barrel extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321219432.2U CN219634486U (en) | 2023-05-19 | 2023-05-19 | Double-charging-barrel extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219634486U true CN219634486U (en) | 2023-09-05 |
Family
ID=87820002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321219432.2U Active CN219634486U (en) | 2023-05-19 | 2023-05-19 | Double-charging-barrel extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219634486U (en) |
-
2023
- 2023-05-19 CN CN202321219432.2U patent/CN219634486U/en active Active
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| GR01 | Patent grant |