CN219338493U - Extruder for PP production - Google Patents
Extruder for PP production Download PDFInfo
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- CN219338493U CN219338493U CN202223426695.9U CN202223426695U CN219338493U CN 219338493 U CN219338493 U CN 219338493U CN 202223426695 U CN202223426695 U CN 202223426695U CN 219338493 U CN219338493 U CN 219338493U
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- 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
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- 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
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Abstract
The utility model discloses an extruder for PP production, which comprises an extruder main body, wherein the center of the extruder main body is rotationally connected with a conveying auger, and a driving mechanism corresponding to the conveying auger is arranged on a supporting frame; a feeding hopper is fixedly connected to one side, close to the driving mechanism, of the top of the extruder main body, and an electric heating mechanism is arranged on the outer wall of the driving mechanism; the electric heating mechanism is far away from the one end threaded connection of actuating mechanism has extrusion mechanism, extrusion mechanism's outside rotates to be connected with cuts the mechanism. According to the utility model, by designing the reflux mechanism, when the equipment stops extruding, the rotary end sleeve can seal a plurality of extruding holes, the driving mechanism continuously works, raw materials in the extruding head can enter the reflux pipe through the first reflux connector and then reflux into the upper hopper through the second reflux connector, so that PP plastics in the main body of the extruder can be agglomerated or coked, and meanwhile, the waste of materials can be reduced.
Description
Technical Field
The utility model relates to the technical field of polypropylene production and processing, in particular to an extruder for PP production.
Background
Polypropylene, PP for short, is a semi-crystalline thermoplastic plastic, has higher impact resistance, strong mechanical property and resistance to corrosion of various organic solvents and acid and alkali, has wide application in industry, and is one of very common high polymer materials.
When PP plastics are produced and processed, PP raw materials are required to be extruded after being melted by using an extruder to form PP plastic strips, a plurality of extruders of different types exist in the market at present, but the structural design of the existing PP plastic extruder has certain defects, the existing extruder can normally extrude the PP plastic strips when working, but when a production system breaks down, the existing extruder can only stop, once the existing extruder stops feeding, and then the PP plastics in the extruder are completely extruded, the rest PP plastics in the extruder are easy to agglomerate or coke, so that equipment faults are easily caused, and the PP plastics cannot circulate materials in a non-stop state.
It is therefore desirable to provide an extruder for PP production that solves the above-mentioned problems.
Disclosure of Invention
The utility model aims to solve the technical problems that when a production system breaks down, the existing extruder can only stop, and once the extruder stops feeding, the PP plastic in the extruder is extruded completely unless the extruder stops feeding, the residual PP plastic in the extruder is easy to agglomerate or coke, so that equipment is easy to break down, and the PP plastic cannot circulate materials in a non-stop state.
In order to solve the technical problems, the utility model adopts a technical scheme that: the extruder for PP production comprises an extruder main body, wherein one side of the center of the extruder main body is fixedly connected with a bearing frame, the center of the extruder main body is rotationally connected with a conveying auger, one side of the outer wall of the extruder main body is fixedly connected with a supporting frame, and a driving mechanism corresponding to the conveying auger is arranged on the supporting frame;
a feeding hopper is fixedly connected to one side, close to the driving mechanism, of the top of the extruder main body, and an electric heating mechanism is arranged on the outer wall of the driving mechanism;
the electric heating mechanism is far away from the one end threaded connection of actuating mechanism and has extrusion mechanism, extrusion mechanism's outside rotates to be connected with cuts the mechanism, be connected with backward flow mechanism between extrusion mechanism and the upper hopper.
The utility model is further provided with: one end of the conveying auger is rotationally connected to the center of the bearing frame, and the other end of the conveying auger is rotationally connected to the center of one end of the extruder main body.
Through the technical scheme, the rotary support can be realized, and the positioning function can be realized.
The utility model is further provided with: the driving mechanism comprises a bearing sealing seat, the bearing sealing seat is fixed at the center of one end of the main body of the extruder, a driving motor is mounted on the supporting frame, and an output shaft of the driving motor is fixedly connected with one end of the conveying auger through a coupler.
Through above-mentioned technical scheme, during operation of driving motor, its output shaft can drive the conveying auger through the shaft coupling and carry out synchronous rotation, and then utilize conveying auger to drive the PP raw materials in the extruder main part and remove, the PP raw materials melts the back through electric heating mechanism heating, extrudes the PP plastics melt after melting to the extrusion head under conveying of conveying auger.
The electric heating mechanism comprises a preheating sleeve, a middle section heating sleeve and a tail section heating sleeve, and the preheating sleeve, the middle section heating sleeve and the tail section heating sleeve are sleeved on the outer wall of the extruder main body.
Through the technical scheme, the preheating sleeve, the middle section heating sleeve and the tail section heating sleeve can heat the PP raw material moving in the extruder main body in a segmented mode, and finally the PP raw material is melted into a liquid state so as to facilitate subsequent extrusion, so that the PP plastic strip is formed.
The utility model is further provided with: the extrusion mechanism comprises an extrusion head, the extrusion head is connected with one end of the extruder main body in a threaded mode, and a plurality of extrusion holes are formed in one end of the extrusion head.
Through the technical scheme, the PP plastic in the extrusion head can be extruded through a plurality of extrusion holes, so that a plurality of PP plastic strips are formed.
The utility model is further provided with: the slitting mechanism comprises a rotary end sleeve, a plurality of slitting holes communicated with the extrusion head are formed in the center of one end of the rotary end sleeve, and a rotary handle is fixedly connected to the outer side of the rotary end sleeve.
Through above-mentioned technical scheme, rotatory pot head can seal a plurality of extrusion holes of extruding the head, also can cut off a plurality of PP plastics rectangular that extrude simultaneously, and when a plurality of holes of cutting align with a plurality of extrusion holes that correspond, the PP plastics in the extrusion head can be extruded normally to realize normal production and processing, can drive rotatory pot head through rotatory handle and rotate during actual operation.
The utility model is further provided with: the rotary end sleeve is rotationally connected to the outer side of the extrusion head.
Through the technical scheme, the rotary end sleeve can freely rotate on the outer side of the extrusion head.
The utility model is further provided with: the backflow mechanism comprises a first backflow connector and a second backflow connector, the first backflow connector is fixed at the center of the top of the extrusion head, the second backflow connector is fixed on one side of the outer wall of the feeding hopper, and a backflow pipe is connected between the first backflow connector and the second backflow connector.
Through above-mentioned technical scheme, when equipment stops extruding, rotatory pot head seals a plurality of extrusion holes, in order to prevent PP plastics caking or coking in the extruder main part, can control actuating mechanism continuous operation, the raw materials in the extrusion head can get into the back flow through first backward flow connector, then in the upper hopper through the backward flow of second backward flow connector, all be provided with the valve on first backward flow connector and the second backward flow connector, after the back flow does not need to use, can close two valves, then dismantle the back flow and wash to follow-up use.
The beneficial effects of the utility model are as follows:
1. according to the utility model, by designing the reflux mechanism, when the equipment stops extruding, the rotary end sleeve can seal a plurality of extruding holes, the driving mechanism continuously works, raw materials in the extruding head can enter the reflux pipe through the first reflux connector and then reflux into the upper hopper through the second reflux connector, so that PP plastics in the main body of the extruder can be agglomerated or coked, and meanwhile, the waste of materials can be reduced;
2. according to the utility model, the slitting mechanism is designed, so that the rotary end sleeve can be utilized to seal a plurality of extrusion holes of the extrusion head, meanwhile, a plurality of extruded PP plastic strips can be cut off, and the rotary end sleeve can be driven to rotate by the rotary handle in actual operation, so that the operation is simple and convenient, and the working efficiency is greatly improved.
Drawings
FIG. 1 is a first view angle block diagram of the present utility model;
FIG. 2 is a second view angle block diagram of the present utility model;
FIG. 3 is a right side view of the present utility model;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
fig. 5 is a partial enlarged view at a in fig. 4.
In the figure: 1. an extruder body; 2. a bearing bracket; 3. conveying the auger; 4. a support frame; 5. a driving mechanism; 501. a bearing seal seat; 502. a driving motor; 503. a coupling; 6. feeding a hopper; 7. an electric heating mechanism; 701. preheating the sleeve; 702. a middle section heating sleeve; 703. a tail section heating sleeve; 8. an extrusion mechanism; 801. an extrusion head; 802. extruding the hole; 9. a slitting mechanism; 901. rotating the end sleeve; 902. cutting holes; 903. rotating the handle; 10. a reflow mechanism; 1001. a first return connection; 1002. a second return joint; 1003. and (5) a return pipe.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Referring to fig. 1-5, an extruder for PP production comprises an extruder main body 1, wherein a bearing frame 2 is fixedly connected to one side of the center of the extruder main body 1, a conveying auger 3 is rotatably connected to the center of the extruder main body 1, one end of the conveying auger 3 is rotatably connected to the center of the bearing frame 2, and the other end of the conveying auger is rotatably connected to the center of one end of the extruder main body 1, so that not only can rotary support be realized, but also a positioning function can be realized;
as shown in fig. 4, a supporting frame 4 is fixedly connected to one side of the outer wall of the extruder main body 1, a driving mechanism 5 corresponding to the conveying auger 3 is installed on the supporting frame 4, the driving mechanism 5 comprises a bearing sealing seat 501, the bearing sealing seat 501 is fixed at the center of one end of the extruder main body 1, a driving motor 502 is installed on the supporting frame 4, an output shaft of the driving motor 502 is fixedly connected with one end of the conveying auger 3 through a coupling 503, and when the driving motor 502 works, the output shaft of the driving motor can drive the conveying auger 3 to synchronously rotate through the coupling 503, and then the conveying auger 3 is utilized to drive PP raw materials in the extruder main body 1 to move, and after the PP raw materials are heated and melted by an electric heating mechanism 7, molten PP plastic melt is extruded to an extrusion head 801 under the conveying of the conveying auger 3;
as shown in fig. 4, a feeding hopper 6 is fixedly connected to one side, close to the driving mechanism 5, of the top of the extruder main body 1, an electric heating mechanism 7 is mounted on the outer wall of the driving mechanism 5, the electric heating mechanism 7 comprises a preheating sleeve 701, a middle section heating sleeve 702 and a final section heating sleeve 703, the preheating sleeve 701, the middle section heating sleeve 702 and the final section heating sleeve 703 are sleeved on the outer wall of the extruder main body 1, the preheating sleeve 701, the middle section heating sleeve 702 and the final section heating sleeve 703 can be used for heating PP raw materials moving in the extruder main body 1 in a segmented manner, and finally the PP raw materials are melted into a liquid state so as to be extruded subsequently, so that a PP plastic strip is formed;
as shown in fig. 5, an extrusion mechanism 8 is screwed at one end of the electric heating mechanism 7 far away from the driving mechanism 5, the extrusion mechanism 8 comprises an extrusion head 801, the extrusion head 801 is screwed at one end of the extruder main body 1, a plurality of extrusion holes 802 are formed at one end of the extrusion head 801, and PP plastic in the extrusion head 801 is extruded through the extrusion holes 802, so that a plurality of PP plastic strips are formed;
as shown in fig. 5, the outside of the extrusion mechanism 8 is rotatably connected with a slitting mechanism 9, the slitting mechanism 9 comprises a rotary end sleeve 901, a plurality of slitting holes 902 communicated with the extrusion head 801 are formed in the center of one end of the rotary end sleeve 901, a rotary handle 903 is fixedly connected to the outside of the rotary end sleeve 901, the rotary end sleeve 901 can seal a plurality of extrusion holes 802 of the extrusion head 801 and simultaneously can cut a plurality of extruded PP plastic strips, when the plurality of slitting holes 902 are aligned with the corresponding plurality of extrusion holes 802, PP plastic in the extrusion head 801 can be normally extruded so as to realize normal production and processing, and the rotary end sleeve 901 can be driven to rotate through the rotary handle 903 in actual operation; the rotary end sleeve 901 is rotatably connected to the outer side of the extrusion head 801, so that the rotary end sleeve 901 can freely rotate on the outer side of the extrusion head 801;
as shown in fig. 2, a reflux mechanism 10 is connected between the extrusion mechanism 8 and the upper hopper 6, the reflux mechanism 10 includes a first reflux joint 1001 and a second reflux joint 1002, the first reflux joint 1001 is fixed at the top center of the extrusion head 801, the second reflux joint 1002 is fixed at one side of the outer wall of the upper hopper 6, a reflux pipe 1003 is connected between the first reflux joint 1001 and the second reflux joint 1002, when the extrusion is stopped, the rotary end sleeve 901 seals a plurality of extrusion holes 802, in order to prevent the PP plastic in the extruder main body 1 from caking or coking, the driving mechanism 5 can be controlled to continuously work, raw materials in the extrusion head 801 can enter the reflux pipe 1003 through the first reflux joint 1001, then reflux to the upper hopper 6 through the second reflux joint 1002, the first reflux joint 1001 and the second reflux joint 1002 are both provided with valves, after the reflux pipe 1003 does not need to be used, the two valves can be closed, and then the reflux pipe 1003 can be disassembled for cleaning for subsequent use.
When the utility model is used, PP plastic raw materials can enter the extruder main body 1 through the feeding hopper 6, the output shaft of the drive motor 502 can drive the conveying auger 3 to synchronously rotate through the coupler 503 when in operation, and then the conveying auger 3 is utilized to drive the PP raw materials in the extruder main body 1 to move, after the PP raw materials are heated and melted through the electric heating mechanism 7, the melted PP plastic melt is extruded to the extrusion head 801 under the conveying of the conveying auger 3, PP plastic in the extrusion head 801 can be extruded through a plurality of extrusion holes 802, so that a plurality of PP plastic strips are formed, when a plurality of slitting holes 902 are aligned with a plurality of extrusion holes 802, the PP plastic in the extrusion head 801 can be normally extruded, the rotary end sleeve 901 can seal the extrusion holes 802 of the extrusion head 801, and simultaneously can cut off the extruded PP plastic strips, when the equipment stops extruding, the rotary end sleeve 901 seals the extrusion holes 802, in order to prevent the PP plastic in the extruder main body 1 from agglomerating or coking, the PP plastic in the extrusion head 801 can be controlled to continuously operate, the raw materials in the extrusion head 801 can enter the first reflux pipe 1003 through the first joint 1002 and then the second reflux pipe 1002 can be detached, and the reflux pipe is not required to be opened, and the first reflux pipe is provided with the reflux pipe 1002 and the reflux pipe is not required to be closed.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (8)
1. Extruder for PP production, comprising an extruder body (1), characterized in that: one side of the center of the extruder main body (1) is fixedly connected with a bearing frame (2), the center of the extruder main body (1) is rotationally connected with a conveying auger (3), one side of the outer wall of the extruder main body (1) is fixedly connected with a supporting frame (4), and a driving mechanism (5) corresponding to the conveying auger (3) is arranged on the supporting frame (4);
a feeding hopper (6) is fixedly connected to one side, close to the driving mechanism (5), of the top of the extruder main body (1), and an electric heating mechanism (7) is arranged on the outer wall of the driving mechanism (5);
one end of the electric heating mechanism (7) far away from the driving mechanism (5) is in threaded connection with the extrusion mechanism (8), the outer side of the extrusion mechanism (8) is rotationally connected with the slitting mechanism (9), and a reflux mechanism (10) is connected between the extrusion mechanism (8) and the feeding hopper (6).
2. An extruder for PP production according to claim 1, characterized in that: one end of the conveying auger (3) is rotationally connected to the center of the bearing frame (2), and the other end of the conveying auger is rotationally connected to the center of one end of the extruder main body (1).
3. An extruder for PP production according to claim 1, characterized in that: the driving mechanism (5) comprises a bearing sealing seat (501), the bearing sealing seat (501) is fixed at the center of one end of the extruder main body (1), the supporting frame (4) is provided with a driving motor (502), and an output shaft of the driving motor (502) is fixedly connected with one end of the conveying auger (3) through a coupling (503).
4. An extruder for PP production according to claim 1, characterized in that: the electric heating mechanism (7) comprises a preheating sleeve (701), a middle section heating sleeve (702) and a tail section heating sleeve (703), and the preheating sleeve (701), the middle section heating sleeve (702) and the tail section heating sleeve (703) are sleeved on the outer wall of the extruder main body (1).
5. An extruder for PP production according to claim 1, characterized in that: the extrusion mechanism (8) comprises an extrusion head (801), the extrusion head (801) is in threaded connection with one end of the extruder main body (1), and a plurality of extrusion holes (802) are formed in one end of the extrusion head (801).
6. The extruder for PP production of claim 5, wherein: the slitting mechanism (9) comprises a rotary end sleeve (901), a plurality of slitting holes (902) communicated with the extrusion head (801) are formed in the center of one end of the rotary end sleeve (901), and a rotary handle (903) is fixedly connected to the outer side of the rotary end sleeve (901).
7. The extruder for PP production of claim 6, characterized in that: the rotary end sleeve (901) is rotatably connected to the outer side of the extrusion head (801).
8. The extruder for PP production of claim 5, wherein: the backflow mechanism (10) comprises a first backflow connector (1001) and a second backflow connector (1002), the first backflow connector (1001) is fixed at the top center of the extrusion head (801), the second backflow connector (1002) is fixed on one side of the outer wall of the feeding hopper (6), and a backflow pipe (1003) is connected between the first backflow connector (1001) and the second backflow connector (1002).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223426695.9U CN219338493U (en) | 2022-12-19 | 2022-12-19 | Extruder for PP production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223426695.9U CN219338493U (en) | 2022-12-19 | 2022-12-19 | Extruder for PP production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219338493U true CN219338493U (en) | 2023-07-14 |
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ID=87098013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223426695.9U Active CN219338493U (en) | 2022-12-19 | 2022-12-19 | Extruder for PP production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219338493U (en) |
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- 2022-12-19 CN CN202223426695.9U patent/CN219338493U/en active Active
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