CN217622106U - Regenerated HDPE melt extrusion device - Google Patents
Regenerated HDPE melt extrusion device Download PDFInfo
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- CN217622106U CN217622106U CN202221392673.2U CN202221392673U CN217622106U CN 217622106 U CN217622106 U CN 217622106U CN 202221392673 U CN202221392673 U CN 202221392673U CN 217622106 U CN217622106 U CN 217622106U
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Abstract
The utility model discloses a regenerated HDPE melt extrusion device, which comprises a melting mechanism and an extrusion mechanism; the melting mechanism comprises a first charging barrel, a stirring shaft, a first filtering body, a plurality of stirring claws, a spiral part, a first rotating driving part, a first coil and a first power supply; the extrusion mechanism comprises a second material barrel, a screw, a second rotary driving piece, a second coil and a second power supply. The utility model has the advantages that: the electromagnetic induction heating replaces the electric heating, so that the heating efficiency is improved; meanwhile, the existing horizontally arranged extrusion barrel is optimized into a vertically arranged first charging barrel and a horizontally arranged second charging barrel, and plastics are heated in the first charging barrel and the second charging barrel, so that the length of the horizontally arranged second charging barrel can be reduced, and the floor area of equipment is reduced; because the first charging barrel is vertically arranged, the plastic melt in the first charging barrel can move downwards under the action of gravity, so that the power of the first rotary driving part can be reduced, and the equipment and the production cost are reduced.
Description
Technical Field
The utility model belongs to the technical field of the granulation technique of regeneration HDPE and specifically relates to a regeneration HDPE melting extrusion device is related to.
Background
At present, the granulation heating mode of most of melting extrusion devices for HDPE (high density polyethylene) and other regenerated plastic products is resistance coil heating, the inner surface and the outer surface of the resistance coil generate heat, the heat of the inner surface (the part tightly attached to the charging barrel) is conducted to the charging barrel, the heat of the charging barrel is conducted to materials again, most of the heat outside is dissipated to the air, loss and waste of electric energy are caused, the heat efficiency is low, the temperature of the surrounding environment is increased due to the dissipated heat, particularly, the working temperature of a workshop in summer possibly exceeds 45 ℃, and the working environment of staff is very bad.
Simultaneously, the current plastic products melting extrusion device (for example the chinese utility model patent of application number CN 202023281606.7) includes the section of thick bamboo of extruding that a level set up mostly, is provided with screw rod, driving piece and heating member in extruding the section of thick bamboo, and driving piece drive screw rotates to the material that drives in extruding the section of thick bamboo removes, and the heating member heats the material in extruding the section of thick bamboo. Because the plastic particles are heated to a molten state in the extrusion cylinder and then extruded, the length of the extrusion cylinder must be long enough to melt the plastic particles, which results in large floor space of the equipment; at the same time, the power of the drive must be great enough to extrude the molten plastic.
SUMMERY OF THE UTILITY MODEL
In view of the above, a need exists for a recycled HDPE melt extrusion device, which is used to solve the technical problems of low heating efficiency, large floor space, and high power requirement of the driving member of the existing plastic product melt extrusion device.
In order to achieve the aim, the utility model provides a regenerated HDPE melting and extruding device, which comprises a melting mechanism and an extruding mechanism;
the melting mechanism comprises a first material cylinder, a stirring shaft, a first filter body, a plurality of stirring claws, a spiral part, a first rotating driving part, a first coil and a first power supply, the first material cylinder is vertically arranged, the stirring shaft is rotationally arranged in the first material cylinder, the first filter body is fixed in the first material cylinder so as to divide an inner cavity of the first material cylinder into a stirring cavity and an extrusion cavity from top to bottom, the stirring claws are fixed on the stirring shaft and positioned in the stirring cavity, the spiral part is fixed on the stirring shaft and positioned in the extrusion cavity, the first rotating driving part is connected with the stirring shaft and used for driving the stirring shaft to rotate, the first coil is wound on the first material cylinder, and the first power supply is used for inputting alternating current into the first coil;
extruding means includes second feed cylinder, screw rod, second rotation driving piece, second coil and second power, the second feed cylinder level sets up, the feed inlet has been seted up on the second feed cylinder, the feed inlet with the lower extreme intercommunication of first feed cylinder, the screw rod rotate set up in the second feed cylinder, the second rotate the driving piece with the screw rod is connected, and is used for the drive the screw rod rotates, the second coil around locating on the second feed cylinder, the second power be used for to input alternating current in the second coil.
In some embodiments, a second filter body is further fixed to the lower end of the first barrel.
In some embodiments, the first filter body is a first filter mesh secured within the first cartridge, and the second filter body is a second filter mesh secured to a lower end of the first cartridge.
In some embodiments, the melting mechanism further includes a first heat-insulating cylinder, the first heat-insulating cylinder is sleeved on the first charging barrel, and the first coil is wound on the first heat-insulating cylinder.
In some embodiments, the extruding mechanism further comprises a second heat-insulating cylinder, the second heat-insulating cylinder is sleeved on the second charging cylinder, and the second coil is wound on the second heat-insulating cylinder.
In some embodiments, the melting mechanism further comprises a first hopper, an outlet of the first hopper being secured to an upper end of the first barrel.
In some embodiments, the extrusion mechanism further comprises a second hopper, an outlet of the second hopper is fixed on the feed port, and the second hopper is communicated with the lower end of the first material barrel.
In some embodiments, the melting mechanism further comprises a stirring blade fixed to the inner wall of the first barrel and located within the stirring cavity.
In some embodiments, the first rotation driving member is a first driving motor, and an output shaft of the first driving motor is connected with the stirring shaft and used for driving the stirring shaft to rotate.
In some embodiments, the second rotary driving member is a second driving motor, and an output shaft of the second driving motor is connected with the screw rod and is used for driving the screw rod to rotate.
Compared with the prior art, the utility model provides a technical scheme's beneficial effect is: because the device replaces electric heating by electromagnetic induction heating, the current directly heats the first charging barrel, a heat conduction process is omitted, and the heating efficiency is improved; meanwhile, the existing horizontally arranged extrusion barrel is optimized into a vertically arranged first charging barrel and a horizontally arranged second charging barrel, and plastics are heated in the first charging barrel and the second charging barrel, so that the length of the horizontally arranged second charging barrel can be reduced, and the floor area of equipment is reduced; in addition, because the first charging barrel is vertically arranged, the plastic melt in the first charging barrel can move downwards under the action of gravity, so that the power of the first rotary driving part can be reduced, and the equipment and the production cost are reduced.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a recycled HDPE melt extrusion apparatus provided by the present invention;
FIG. 2 is a schematic structural view of the melting mechanism of FIG. 1;
FIG. 3 is an enlarged partial view of area A of FIG. 2;
FIG. 4 is a schematic structural view of the extrusion mechanism of FIG. 1;
FIG. 5 is a partial enlarged view of area B of FIG. 4;
in the figure: 1-melting mechanism, 11-first material cylinder, 111-first hopper, 12-stirring shaft, 13-first filtering body, 14-stirring claw, 15-spiral part, 16-first coil, 17-second filtering body, 18-first heat insulation cylinder, 19-stirring sheet, 2-extruding mechanism, 21-second material cylinder, 211-material inlet, 22-screw, 23-second rotary driving piece, 24-second coil, 25-second power supply, 26-second heat insulation cylinder and 27-second hopper.
Detailed Description
The following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.
Referring to fig. 1-5, the present invention provides a melting and extruding apparatus for recycled HDPE, which includes a melting mechanism 1 and an extruding mechanism 2.
Melting mechanism 1 includes first feed cylinder 11, (mixing) shaft 12, the first body 13 of filtering, a plurality of stirring claw 14, spiral portion 15, first rotation driving piece, first coil 16 and first power, the vertical setting of first feed cylinder 11, first feed cylinder 11 is made by conducting material, (mixing) shaft 12 rotate set up in first feed cylinder 11, first filter body 13 be fixed in first feed cylinder 11, in order to separate into stirring chamber and extrusion chamber with the inner chamber top-down of first feed cylinder 11, each stirring claw 14 all is fixed in on the (mixing) shaft 12, and be located in the stirring chamber, spiral portion 15 is fixed in on the (mixing) shaft 12, and be located in the extrusion chamber, first rotation driving piece with (mixing) shaft 12 is connected, and be used for driving (mixing) shaft 12 rotates, first coil 16 is around locating on the first feed cylinder 11, first power is used for to the alternating current of first coil 16 internal input.
The extruding mechanism 2 comprises a second material barrel 21, a screw 22, a second rotary driving member 23, a second coil 24 and a second power supply 25, the second material barrel 21 is horizontally arranged, the second material barrel 21 is made of a conductive material, a feed inlet 211 is formed in the second material barrel 21, the feed inlet 211 is communicated with the lower end of the first material barrel 11, the screw 22 is rotatably arranged in the second material barrel 21, the second rotary driving member 23 is connected with the screw 22 and used for driving the screw 22 to rotate, the second coil 24 is wound on the second material barrel 21, and the second power supply 25 is used for inputting alternating current into the second coil 24.
When in use, plastic particles are put into the first barrel 11, the plastic particles are blocked by the first filter 13 and are gathered in the stirring cavity, the stirring shaft 12 is driven by the first rotary driving part to rotate, so that the plastic particles are stirred, meanwhile, alternating current is input into the first coil 16 through the first power supply, so that an alternating magnetic field is generated near the first coil 16, the alternating magnetic field acts on the first barrel 11, so that eddy current is generated in the first barrel 11, the first barrel 11 is heated under the action of the eddy current, so that the plastic particles in the first barrel 11 are heated, after the plastic particles are heated to a molten state, the plastic particles flow into the extrusion cavity below the first filter 13 under the action of gravity, and are continuously extruded downwards into the second barrel 21 under the action of the spiral part 15, the screw 22 is driven by the second rotary driving part 23 to rotate, so that a plastic molten melt is continuously moved forwards, and simultaneously, the alternating current is introduced into the second coil 24 by the second power supply 25, so that the plastic molten is continuously heated, and finally, the plastic melt is discharged from the outlet of the second barrel 21.
Because the device replaces electric heating by electromagnetic induction heating, the current directly heats the first charging barrel 11, a heat conduction process is omitted, and the heating efficiency is improved; meanwhile, the existing horizontally arranged extrusion barrel is optimized into a vertically arranged first material barrel 11 and a horizontally arranged second material barrel 21, and plastics are heated in the first material barrel 11 and the second material barrel 21, so that the length of the horizontally arranged second material barrel 21 can be reduced, and the floor area of the equipment is reduced; in addition, because the first barrel 11 is vertically arranged, the plastic melt in the first barrel 11 can move downwards under the action of gravity, so that the power of the first rotary driving part can be reduced, and the equipment and production cost can be reduced.
In order to filter impurities, referring to fig. 1 and 2, in a preferred embodiment, a second filter 17 is further fixed to the lower end of the first barrel 11.
To realize the functions of the first filter 13 and the second filter 17, referring to fig. 1-3, in a preferred embodiment, the first filter 13 is a first filter fixed in the first cylinder 11, and the second filter 17 is a second filter fixed at the lower end of the first cylinder 11.
In order to improve the heating efficiency of the material in the first cylinder 11, referring to fig. 1, in a preferred embodiment, the melting mechanism 1 further includes a first heat insulation cylinder 18, the first heat insulation cylinder 18 is sleeved on the first cylinder 11, and the first coil 16 is wound on the first heat insulation cylinder 18, in this embodiment, the first heat insulation cylinder 18 is made of a heat insulation material (non-conductive), so that the heat generated by the first cylinder 11 can be prevented from dissipating, and the heating efficiency of the material in the first cylinder 11 can be improved.
In order to improve the heating efficiency of the material in the second cylinder 21, referring to fig. 4 and 5, in a preferred embodiment, the extruding mechanism 2 further includes a second heat-insulating cylinder 26, the second heat-insulating cylinder 26 is sleeved on the second cylinder 21, and the second coil 24 is wound on the second heat-insulating cylinder 26, in this embodiment, the second heat-insulating cylinder 26 is made of a heat-insulating material (non-conducting), so that the heat generated by the second cylinder 21 can be prevented from dissipating, and the heating efficiency of the material in the second cylinder 21 can be improved.
In order to facilitate the feeding into the first cylinder 11, referring to fig. 1 and 2, in a preferred embodiment, the melting mechanism 1 further comprises a first hopper 111, and an outlet of the first hopper 111 is fixed to an upper end of the first cylinder 11.
To facilitate feeding of the second cylinder 21, referring to fig. 4, in a preferred embodiment, the extruding mechanism 2 further includes a second hopper 27, an outlet of the second hopper 27 is fixed on the feeding port 211, and the second hopper 27 is communicated with the lower end of the first cylinder 11.
In order to increase the stirring effect, referring to fig. 1-3, in a preferred embodiment, the melting mechanism 1 further includes a stirring blade 19, and the stirring blade 19 is fixed on the inner wall of the first cylinder 11 and located in the stirring cavity, so as to increase the stirring effect.
In order to implement the function of the first rotation driving member, referring to fig. 1 and fig. 2, in a preferred embodiment, the first rotation driving member is a first driving motor, and an output shaft of the first driving motor is connected to the stirring shaft 12 and is used for driving the stirring shaft 12 to rotate.
In order to realize the function of the second rotation driving member 23, referring to fig. 1, in a preferred embodiment, the second rotation driving member 23 is a second driving motor, and an output shaft of the second driving motor is connected to the screw rod 22 and is used for driving the screw rod 22 to rotate.
For a better understanding of the present invention, the working process of the recycled HDPE melt extrusion apparatus provided by the present invention is described in detail below with reference to fig. 1 to 5: when in use, plastic particles are put into the first barrel 11, the plastic particles are blocked by the first filter 13 and are gathered in the stirring cavity, the stirring shaft 12 is driven by the first rotary driving part to rotate, so that the plastic particles are stirred, meanwhile, alternating current is input into the first coil 16 through the first power supply, so that an alternating magnetic field is generated near the first coil 16, the alternating magnetic field acts on the first barrel 11, so that eddy current is generated in the first barrel 11, the first barrel 11 is heated under the action of the eddy current, so that the plastic particles in the first barrel 11 are heated, after the plastic particles are heated to a molten state, the plastic particles flow into the extrusion cavity below the first filter 13 under the action of gravity, and are continuously extruded downwards into the second barrel 21 under the action of the spiral part 15, the screw 22 is driven by the second rotary driving part 23 to rotate, so that a plastic molten melt is continuously moved forwards, and simultaneously, the alternating current is introduced into the second coil 24 by the second power supply 25, so that the plastic molten is continuously heated, and finally, the plastic melt is discharged from the outlet of the second barrel 21.
Because the device replaces electric heating by electromagnetic induction heating, the current directly heats the first charging barrel 11, a heat conduction process is omitted, and the heating efficiency is improved; meanwhile, the existing horizontally arranged extrusion barrel is optimized into a vertically arranged first material barrel 11 and a horizontally arranged second material barrel 21, and plastics are heated in the first material barrel 11 and the second material barrel 21, so that the length of the horizontally arranged second material barrel 21 can be reduced, and the floor area of the equipment is reduced; in addition, because the first barrel 11 is vertically arranged, the plastic melt in the first barrel 11 can move downwards under the action of gravity, so that the power of the first rotary driving part can be reduced, and the equipment and production cost can be reduced.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. The device for melt extrusion of the regenerated HDPE is characterized by comprising a melting mechanism and an extrusion mechanism;
the melting mechanism comprises a first material cylinder, a stirring shaft, a first filter body, a plurality of stirring claws, a spiral part, a first rotating driving part, a first coil and a first power supply, the first material cylinder is vertically arranged, the stirring shaft is rotationally arranged in the first material cylinder, the first filter body is fixed in the first material cylinder so as to divide an inner cavity of the first material cylinder into a stirring cavity and an extrusion cavity from top to bottom, the stirring claws are fixed on the stirring shaft and positioned in the stirring cavity, the spiral part is fixed on the stirring shaft and positioned in the extrusion cavity, the first rotating driving part is connected with the stirring shaft and used for driving the stirring shaft to rotate, the first coil is wound on the first material cylinder, and the first power supply is used for inputting alternating current into the first coil;
extruding means includes second feed cylinder, screw rod, second rotation driving piece, second coil and second power, the second feed cylinder level sets up, the feed inlet has been seted up on the second feed cylinder, the feed inlet with the lower extreme intercommunication of first feed cylinder, the screw rod rotate set up in the second feed cylinder, the second rotate the driving piece with the screw rod is connected, and is used for the drive the screw rod rotates, the second coil around locating on the second feed cylinder, the second power be used for to input alternating current in the second coil.
2. The recycled HDPE melt extrusion device of claim 1, wherein a second filter is further secured to the lower end of the first barrel.
3. The recycled HDPE melt extrusion device of claim 2, wherein the first filter is a first screen affixed to the first barrel and the second filter is a second screen affixed to the lower end of the first barrel.
4. The melt extrusion apparatus for recycling HDPE as claimed in claim 1, further comprising a first heat-insulating cylinder, wherein said first heat-insulating cylinder is sleeved on said first barrel, and said first coil is wound around said first heat-insulating cylinder.
5. The apparatus of claim 1, wherein the extrusion mechanism further comprises a second heat-insulating cylinder, the second heat-insulating cylinder is sleeved on the second cylinder, and the second coil is wound on the second heat-insulating cylinder.
6. The melt extrusion apparatus of claim 1, wherein the melting mechanism further comprises a first hopper, an outlet of the first hopper being affixed to an upper end of the first barrel.
7. The recycled HDPE melt extrusion device of claim 1, wherein the extrusion mechanism further comprises a second hopper, the outlet of the second hopper is fixed to the feed port, and the second hopper is in communication with the lower end of the first barrel.
8. The recycled HDPE melt extrusion device of claim 1, wherein the melting mechanism further comprises a stirring blade affixed to the inner wall of the first barrel and located within the stirring chamber.
9. The recycled HDPE melt extrusion apparatus of claim 1, wherein the first rotational drive member is a first drive motor, and an output shaft of the first drive motor is connected to the stirring shaft and is configured to drive the stirring shaft to rotate.
10. The recycled HDPE melt extrusion apparatus as set forth in claim 1, characterized in that the second rotational drive member is a second drive motor, and the output shaft of the second drive motor is connected to the screw and is adapted to drive the screw to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221392673.2U CN217622106U (en) | 2022-06-06 | 2022-06-06 | Regenerated HDPE melt extrusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221392673.2U CN217622106U (en) | 2022-06-06 | 2022-06-06 | Regenerated HDPE melt extrusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217622106U true CN217622106U (en) | 2022-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221392673.2U Active CN217622106U (en) | 2022-06-06 | 2022-06-06 | Regenerated HDPE melt extrusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217622106U (en) |
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2022
- 2022-06-06 CN CN202221392673.2U patent/CN217622106U/en active Active
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