CN220681327U - Electrostatic separation device for waste regenerated plastics - Google Patents
Electrostatic separation device for waste regenerated plastics Download PDFInfo
- Publication number
- CN220681327U CN220681327U CN202322347022.2U CN202322347022U CN220681327U CN 220681327 U CN220681327 U CN 220681327U CN 202322347022 U CN202322347022 U CN 202322347022U CN 220681327 U CN220681327 U CN 220681327U
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- Prior art keywords
- box
- electrostatic
- wheel
- driving wheel
- waste regenerated
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- 229920003023 plastic Polymers 0.000 title claims abstract description 46
- 239000004033 plastic Substances 0.000 title claims abstract description 46
- 239000002699 waste material Substances 0.000 title claims abstract description 19
- 238000000926 separation method Methods 0.000 title claims abstract description 16
- 238000007790 scraping Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000004140 cleaning Methods 0.000 claims description 7
- 239000002245 particle Substances 0.000 abstract description 7
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- -1 packaging Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Abstract
The utility model discloses an electrostatic sorting device for waste regenerated plastics, which comprises a box body, wherein a feeding hopper is arranged at the upper end of the box body, a conveying pipe is arranged above the feeding hopper, side doors are arranged on the side walls of the box body, a driving box and a friction electrification device are respectively arranged in the box body, a motor is fixedly arranged in the driving box, an output shaft of the motor is connected with a driving wheel through a key, and the driving wheel is connected with a first driven wheel and a second driven wheel through belt transmission. According to the utility model, the driving wheel is driven to rotate by the output shaft of the motor, the first driven wheel and the second driven wheel which are connected by the belt in a transmission way synchronously rotate, the first driven wheel drives the reciprocating screw rod to rotate, and finally the scraping ring is driven to reciprocate, so that plastic particles adsorbed on the surface of the electrostatic roller are scraped, the electrostatic roller and the plastic particles are prevented from being influenced to exchange charges, and the purity of the plastic particles in the separation box is improved.
Description
Technical Field
The utility model relates to the technical field of plastic sorting, in particular to an electrostatic sorting device for waste regenerated plastics.
Background
The regenerated plastic is a plastic raw material obtained by processing waste plastics through physical or chemical methods such as pretreatment, melting granulation, modification and the like, is recycled, is environment-friendly and energy-saving through recycling of resources, is widely applied as common plastics, and is applied in the downstream fields such as textiles, packaging, building materials, automobiles, medical treatment, electronics and the like.
In recycling waste plastics, it is generally necessary to sort different plastics, reference being made to publication (bulletin) numbers: CN210791664U discloses a plastic electrostatic separator, comprising a frame, a hopper, a friction charging device, an electrostatic separating field device and a separating container device, wherein the hopper, the friction charging device, the electrostatic separating field device and the separating container device are arranged on the frame. In the in-process of actual use, because the size of plastic particles is not uniform enough, the adsorption degree of the charged granules to the electrode is different, smaller plastics cannot be thrown off from the electrostatic roller under the action of electrostatic force and centrifugal force, and excessive accumulation can influence charge exchange of the electrostatic roller, so that the purity of the separated plastics is not high, the separation efficiency is reduced, and therefore the electrostatic roller needs to be cleaned timely. In view of this, the application proposes an electrostatic separation device for waste regenerated plastics.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides an electrostatic separation device for waste regenerated plastics.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a waste regenerated plastic electrostatic separation device, includes the box, the upper end of box is provided with the feeding hopper, the conveyer pipe is installed to the top of feeding hopper, the side door has been seted up on the lateral wall of box, the inside of box is provided with driving box and friction electrification device respectively, the inside fixed mounting of driving box has the motor, be equipped with the action wheel through key connection on the output shaft of motor, the action wheel is connected with first follow driving wheel and second follow driving wheel through belt drive, be equipped with cleaning device on the first follow driving wheel, install the electrostatic roller on the second follow driving wheel, fixed mounting has the electrode plate on the inner wall of box, and the position of electrode plate corresponds with the electrostatic roller, the bottom of box is equipped with the separator box.
Preferably, the cleaning device comprises a reciprocating screw fixedly connected with the axis of the first driven wheel, a screw nut is arranged on the reciprocating screw in a threaded connection mode, and a scraping ring is fixedly connected with the screw nut through a connecting rod.
Preferably, a limit groove is formed in the side wall of the driving box, a connecting rod between the screw nut and the scraping ring slides in the limit groove, and the scraping ring is sleeved on the electrostatic roller and is in contact with the outer surface of the electrostatic roller.
Preferably, a guide plate is arranged at the lower end of the charging hopper, and the guide plate is obliquely arranged and extends into the friction electrification device.
Preferably, a discharge hole is formed in the lower end of the friction electrification device, and the discharge hole is arranged above the electrostatic roller and is located on the same vertical line.
Preferably, the upper end of the separation tank is obliquely provided with two baffles for separating the inside of the separation tank.
The utility model has the following beneficial effects:
1. the first driven wheel and the second driven wheel which are connected through the belt transmission synchronously rotate when the driving wheel is driven to rotate through the output shaft of the motor, the first driven wheel drives the reciprocating screw rod to rotate, and finally the scraping ring is driven to reciprocate, so that plastic particles adsorbed on the surface of the electrostatic roller are scraped, the electrostatic roller and the plastic particles are prevented from being influenced to exchange charges, and the purity of the plastic particles in the separation box is improved.
2. The plastic can be thrown off from the electrostatic roller through gravity and centrifugal force, the rotating speed of the motor is changed at the moment to adjust the time length of the charge exchange between the electrostatic roller and the plastic, and the device can be adjusted for the plastic with different electrostatic properties, so that the practicability of the device is improved.
Drawings
FIG. 1 is a schematic structural view of an electrostatic sorting device for waste reclaimed plastic;
FIG. 2 is a schematic diagram of a front cross-sectional structure of an electrostatic sorting device for waste reclaimed plastic;
fig. 3 is a schematic top view of the electrostatic roller and the scraper ring.
In the figure: 1 box, 2 charging hopper, 3 conveyer pipe, 4 side door, 5 drive box, 6 friction electrification device, 7 motor, 8 action wheel, 9 first follow driving wheel, 10 second follow driving wheel, 11 electrostatic roller, 12 scrape the ring, 13 deflector, 14 discharge gate, 15 electrode plate, 16 reciprocating lead screw, 17 lead screw nut, 18 baffle, 19 separator box.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-3, an electrostatic sorting device for waste regenerated plastics comprises a box body 1, a feeding hopper 2 is arranged at the upper end of the box body 1, a conveying pipe 3 is arranged above the feeding hopper 2, a side door 4 is arranged on the side wall of the box body 1, a driving box 5 and a friction electrification device 6 are respectively arranged in the box body 1, a guide plate 13 is arranged at the lower end of the feeding hopper 2, the guide plate 13 is obliquely arranged and extends into the friction electrification device 6, a discharge hole 14 is arranged at the lower end of the friction electrification device 6, the discharge hole 14 is arranged above an electrostatic roller 11 and is positioned on the same vertical line, the plastic can be directly adsorbed on the surface of the electrostatic roller 11 when falling onto the electrostatic roller 11, under the combined action of electrode plates 15, the plastic is subjected to different electrostatic forces, and the electrostatic roller 11 rotates to throw the plastic with different performances into a separation box 19 below.
The inside fixed mounting of drive box 5 has motor 7, be equipped with action wheel 8 through key connection on the output shaft of motor 7, action wheel 8 is connected with first follow driving wheel 9 and second follow driving wheel 10 through belt transmission, be equipped with cleaning device on the first follow driving wheel 9, cleaning device includes the reciprocal lead screw 16 with first follow driving wheel 9 axle center fixed connection, threaded connection is equipped with screw nut 17 on the reciprocal lead screw 16, screw nut 17 passes through connecting rod fixedly connected with scraping ring 12, the spacing groove has been seted up on the lateral wall of drive box 5, the connecting rod between screw nut 17 and the scraping ring 12 slides in the spacing inslot, scraping ring 12 cover is established on electrostatic roller 11 and is contacted with electrostatic roller 11 surface, further, along with the rotational speed of electrostatic roller 11 improves, belt connection's first follow driving wheel 9 also can drive scraping ring 12 fast movement, can keep better cleaning effect.
The electrostatic roller 11 is installed on the second driven wheel 10, the electrode plate 15 is fixedly installed on the inner wall of the box body 1, the position of the electrode plate 15 corresponds to the electrostatic roller 11, the separating box 19 is arranged at the bottom of the box body 1, two baffles 18 are obliquely arranged at the upper end of the separating box 19, the two baffles 18 are used for separating the inside of the separating box 19, further, plastics which are difficult to separate can be collected in a cavity between the baffles 18, and separation can be performed again after the side door 4 is opened and taken out.
When the device is used, waste regenerated plastic is conveyed into the charging hopper 2 through the conveying pipe 3, under the action of the guide plate 13 below the charging hopper 2, the plastic enters the friction electrification device 6, the plastic with different charges falls onto the electrostatic roller 11 from the discharge hole 14, the motor 7 drives the electrostatic roller 11 to rotate through the driving wheel 8 and the second driven wheel 10, the first driven wheel 9 also rotates, the reciprocating screw 16 fixedly connected with the first driven wheel 9 rotates, the screw nut 17 in threaded connection drives the scraping ring 12 to reciprocate in the limiting groove formed in the side wall of the driving box 5, the surface of the electrostatic roller 11 is cleaned, the plastic is subjected to electrostatic force, gravity and centrifugal force with different magnitudes under the combined action of the electrode plate 15, the plastic is thrown to different positions, and the plastic falling into different cavities of the separating box 19 is ensured to be purer under the blocking of the baffle 18.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a waste regenerated plastic electrostatic separation device, includes box (1), its characterized in that, the upper end of box (1) is provided with throws hopper (2), conveyer pipe (3) are installed to the top of throwing hopper (2), side door (4) have been seted up on the lateral wall of box (1), the inside of box (1) is provided with driving case (5) and friction electrification device (6) respectively, the inside fixed mounting of driving case (5) has motor (7), be equipped with action wheel (8) through the key connection on the output shaft of motor (7), action wheel (8) are connected with first follow driving wheel (9) and second follow driving wheel (10) through belt transmission, be equipped with cleaning device on first follow driving wheel (9), install electrostatic roller (11) on second follow driving wheel (10), fixedly mounted electrode plate (15) on the inner wall of box (1), and the position of electrode plate (15) corresponds with electrostatic roller (11), the bottom of box (1) is equipped with separator box (19).
2. The electrostatic sorting device for waste regenerated plastics according to claim 1, wherein the cleaning device comprises a reciprocating screw (16) fixedly connected with the axis of the first driven wheel (9), a screw nut (17) is arranged on the reciprocating screw (16) in a threaded connection manner, and the screw nut (17) is fixedly connected with a scraping ring (12) through a connecting rod.
3. The electrostatic sorting device for waste regenerated plastics according to claim 2, wherein a limit groove is formed in the side wall of the driving box (5), a connecting rod between the screw nut (17) and the scraping ring (12) slides in the limit groove, and the scraping ring (12) is sleeved on the electrostatic roller (11) and is in contact with the outer surface of the electrostatic roller (11).
4. The electrostatic sorting device for waste regenerated plastics according to claim 1, wherein a guide plate (13) is arranged at the lower end of the charging hopper (2), and the guide plate (13) is obliquely arranged and extends into the friction electrification device (6).
5. The electrostatic sorting device for waste regenerated plastics according to claim 4, wherein the lower end of the friction electrification device (6) is provided with a discharge port (14), and the discharge port (14) is arranged above the electrostatic roller (11) and is positioned on the same vertical line.
6. The electrostatic separation device for waste regenerated plastics according to claim 1, wherein two baffles (18) are obliquely arranged at the upper end of the separation box (19), and the two baffles (18) are used for separating the inside of the separation box (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322347022.2U CN220681327U (en) | 2023-08-30 | 2023-08-30 | Electrostatic separation device for waste regenerated plastics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322347022.2U CN220681327U (en) | 2023-08-30 | 2023-08-30 | Electrostatic separation device for waste regenerated plastics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220681327U true CN220681327U (en) | 2024-03-29 |
Family
ID=90411420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322347022.2U Active CN220681327U (en) | 2023-08-30 | 2023-08-30 | Electrostatic separation device for waste regenerated plastics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220681327U (en) |
-
2023
- 2023-08-30 CN CN202322347022.2U patent/CN220681327U/en active Active
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