CN115489051A - Iron removing device for producing PET (polyethylene terephthalate) regenerated bottle flakes - Google Patents
Iron removing device for producing PET (polyethylene terephthalate) regenerated bottle flakes Download PDFInfo
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- CN115489051A CN115489051A CN202211164233.6A CN202211164233A CN115489051A CN 115489051 A CN115489051 A CN 115489051A CN 202211164233 A CN202211164233 A CN 202211164233A CN 115489051 A CN115489051 A CN 115489051A
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- wear
- roller
- pet
- iron removing
- resistant conductive
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 229920000139 polyethylene terephthalate Polymers 0.000 title claims abstract description 61
- 239000005020 polyethylene terephthalate Substances 0.000 title claims abstract description 61
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 47
- -1 polyethylene terephthalate Polymers 0.000 title claims abstract description 6
- 238000009434 installation Methods 0.000 claims abstract description 40
- 239000002184 metal Substances 0.000 claims abstract description 36
- 229910052751 metal Inorganic materials 0.000 claims abstract description 36
- 238000001914 filtration Methods 0.000 claims abstract description 17
- 238000000429 assembly Methods 0.000 claims abstract description 10
- 230000000712 assembly Effects 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 14
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
- B29B2017/0213—Specific separating techniques
- B29B2017/0268—Separation of metals
- B29B2017/0272—Magnetic separation
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Sorting Of Articles (AREA)
- Electrostatic Separation (AREA)
Abstract
The invention discloses an iron removal device for producing PET (polyethylene terephthalate) regenerated bottle flakes; belongs to the technical field of PET regenerated bottle flake production; the technical key points of the device comprise a spiral feeder, wherein a discharge port of the spiral feeder is in conduction connection with an iron removal support, an iron removal assembly is arranged on the iron removal support, and a conveying belt is arranged below the iron removal support; the iron removing component comprises an installation frame, and a vibration component is arranged on the iron removing support; two rollers are arranged in the mounting frame, the two rollers are arranged in an inclined manner, and a discharging chute is arranged on the mounting frame below the rollers; a plurality of electromagnet assemblies are uniformly distributed on the roller at intervals along the circumferential direction, and a power supply assembly is arranged on the mounting frame; the surface of the roller is provided with a plurality of rows of filtering rakes which are arranged along the axial direction of the roller and are composed of a plurality of filtering rods; the invention aims to provide the iron removing device for producing the PET regenerated bottle chips, which has a compact structure and a good iron removing effect; used for removing metal impurities from the PET regenerated bottle flakes and then conveying the PET regenerated bottle flakes into a dehydrator.
Description
Technical Field
The invention relates to an iron removal device, in particular to an iron removal device for producing PET (polyethylene terephthalate) regenerated bottle flakes.
Background
PET plastic is widely used as a packaging material and is made into various plastic bottles, such as cola bottles, mineral water bottles and the like. In order to reduce the environmental pollution, people recycle and regenerate the waste plastic bottles.
In the current production flow of PET bottle flakes, the PET plastic bottle flakes are washed and dehydrated in sequence after being crushed once. There are metal parts in some PET plastic bottles, have a small amount of metallic impurity to mix in PET bottle piece after the breakage, in order to protect the hydroextractor, need carry out the deironing before the feeding and handle.
Disclosure of Invention
The invention aims to provide the iron removing device for producing the PET regenerated bottle chips, which is compact in structure and good in iron removing effect, aiming at the defects of the prior art.
The technical scheme of the invention is realized as follows: a deironing device for producing PET (polyethylene terephthalate) regenerated bottle flakes comprises a spiral feeder, wherein a discharge hole of the spiral feeder is in conduction connection with a deironing support, and a deironing assembly is arranged on the deironing support; a conveyer belt is arranged below the iron removing support and used for conveying the PET bottle chips subjected to iron removal to the dehydrator.
The iron removing component comprises an installation frame movably sleeved on an iron removing support, a vibration component connected with the installation frame is arranged on the iron removing support, and the amplitude of the vibration component is 8-12mm; be equipped with two syntropy rotations and the roller of mutually supporting in the installation frame, two rollers are the slope form and arrange, and the roller that is located the upside is relative with the screw feeder discharge gate, is provided with ejection of compact chute on the installation frame that is located the roller below of downside.
A plurality of electromagnet assemblies are uniformly distributed on the roller at intervals along the circumferential direction, and a power supply assembly matched with the electromagnet assemblies is arranged on the mounting frame.
A plurality of rows of filtering rakes are uniformly distributed on the surfaces of the two rollers at intervals along the circumferential direction, and each row of filtering rakes is axially arranged along the rollers and consists of a plurality of filtering rods arranged at intervals.
In foretell production of PET regeneration bottle piece is with deironing device, the deironing support includes that it is parallel and the interval is fixed to be set up two vertical support boards in the conveyer belt frame along conveyer belt direction of delivery, is connected with horizontal installation board at two vertical support board upper ends, is provided with the feed inlet with screw feeder discharge gate matched with on horizontal installation board.
The mounting frame comprises two guide mounting side plates which are arranged in parallel and at intervals, and the guide mounting side plates and the vertical support plate are matched to form an annular shield; the electromagnet assembly and the power supply assembly are arranged on the guide installation side plates, and the roller is rotatably connected between the two guide installation side plates.
In foretell production of PET regeneration bottle piece is with deironing device, the vibration subassembly is connected with the linkage strip including setting up the link in two direction installation curb plate upper end near-end portions respectively between two links, the linkage strip is located the horizontal installation board top, is provided with driving motor on the horizontal installation board, is connected with the eccentric wheel at driving motor power output shaft free end, and it has the gangbar to articulate between eccentric wheel and linkage strip.
At least two sets of matched with installation bosses are arranged between the outer surfaces of the two vertical support plates and the end parts of the corresponding horizontal installation plates, guide rods are fixedly connected between the installation bosses along the vertical direction, guide sliders are connected on the guide rods on the same side in a sliding manner, and the guide sliders are fixedly connected between the upper ends of the two guide installation side plates.
In the iron removing device for producing the PET regenerated bottle flakes, the roller consists of a rotating shaft and an insulating roller fixed on the rotating shaft through a spline; a plurality of mounting grooves are uniformly distributed on the insulating roller at intervals along the circumferential direction, each mounting groove is axially arranged along the insulating roller, and the electromagnet assemblies are arranged in the mounting grooves in a one-to-one correspondence manner.
The electromagnet assembly consists of a metal shell capable of being magnetized and an electromagnet arranged in the metal shell, and the electromagnet is connected with the power supply assembly; the outer surface of the metal shell is a cambered surface and is positioned on the same circular surface with the roller surface of the insulating roller.
In the iron removing device for producing the PET regenerated bottle flakes, the power supply assembly comprises insulating supports which are respectively fixed at two ends of each metal shell along the length direction, first wear-resistant conductive blocks are fixed on the insulating supports, the first wear-resistant conductive blocks at the two ends are in circuit conduction connection with two ends of a coil on an electromagnet in the corresponding metal shell, and the outer end faces of the first wear-resistant conductive blocks are of cambered surface structures along the two ends of the length direction.
The mounting frame is connected with second wear-resistant conductive blocks which are matched with the first wear-resistant conductive blocks and are arc-shaped through elastic pressing components, the second wear-resistant conductive blocks are in conductive connection with an external power supply, and two ends of the end face, opposite to the first wear-resistant conductive blocks, of each second wear-resistant conductive block are of arc-shaped structures; the arc length W1 corresponding to the arc opening area of the second wear-resistant conductive block is at least 1.5 times of the arc length W2 of the outer surface of the metal shell.
In the deironing device is used in production of the PET regeneration bottle piece, the elastic compression assembly comprises an arc-shaped step hole which is arranged on the installation frame and is opposite to the first wear-resistant conductive block, an adjusting support is movably arranged in the arc-shaped step hole, a positioning cover plate is arranged at an opening part at the outer end of the hole-shaped step hole, and a compression spring is arranged between the positioning cover plate and the adjusting support.
The second wear-resistant conductive block is arranged on the adjusting support, conductive rods are arranged on two sides of the second wear-resistant conductive block respectively, penetrate through the adjusting support and the positioning cover plate in sequence, extend to the outer side of the positioning cover plate and are connected with an external power supply in a conduction mode.
In the iron removing device for producing the PET regenerated bottle flakes, the gap between every two adjacent filter rods is 3-5mm, and the outer diameter of each filter rod is 10-15mm.
In the iron removing device for producing the PET regenerated bottle flakes, the length of the filter rod is 10-15cm, and a blanking gap is formed between the two rollers.
In the iron removing device for producing the PET regenerated bottle flakes, the discharging chute comprises a positioning plate arranged on the mounting frame and a plurality of cylindrical material guiding rods which are connected with the positioning plate and are obliquely arranged; each cylindrical material guiding rod is uniformly distributed at intervals along the horizontal direction, and the distance between every two adjacent cylindrical material guiding rods is 3-5mm.
In the iron removing device for producing the PET regenerated bottle flakes, the inner end part of the metal shell is provided with the fixed needle seat made of the insulating material, the insulating support is provided with the through hole corresponding to the fixed needle seat, and the insulating support is provided with the conductive needle which penetrates through the through hole and is matched with the first wear-resistant conductive block; the first wear-resistant conductive block is provided with a buckle matched with the conductive pin.
After the structure is adopted, the PET bottle flakes are fed into the iron removal assembly through the spiral feeder and fall between the filtering rakes, the PET bottle flakes fully and violently jump under the vibration of the vibration assembly with the amplitude of 8-12mm so as to fall from gaps between the filtering rods, meanwhile, the metal impurities are adsorbed by the electromagnet assembly on the roller, and the metal impurities are conveyed to the discharging chute to be output by controlling the magnetic force of the roller through the power supply assembly, so that the metal impurities in the PET bottle flakes are removed. Through the realization, under above-mentioned amplitude, PET bottle piece jumps fast and overturns, compares ordinary high-frequency vibration, and the efficiency that PET bottle piece passed filter rod has improved at least twice. Because of the conventional high-frequency low-amplitude vibration, the PET bottle sheet cannot be overturned, and only vibration can occur.
Further, set up two syntropy rotations and the roller of mutually supporting, carry out twice deironing flow to the material, avoid metallic impurity to be surrounded by a large amount of PET bottle pieces and can't be adsorbed by single electro-magnet subassembly, can effectively improve the deironing effect.
Drawings
The invention will be further described in detail with reference to examples of embodiments shown in the drawings to which, however, the invention is not restricted.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the internal structure of the present invention.
Fig. 3 is a schematic structural view after the spiral feeder is hidden.
Fig. 4 is a side sectional view of the present invention.
FIG. 5 is a schematic view of the structure of the roll of the present invention.
Fig. 6 is a schematic structural view of the discharge chute of the present invention.
Fig. 7 is a schematic view of the partial structure at a of the present invention.
Fig. 8 is a schematic view of a partial structure at B of the present invention.
Fig. 9 is a schematic view of the construction of the resilient compression assembly of the present invention.
FIG. 10 is a schematic view of the roller of the present invention in a state of being engaged with a power supply unit.
In the figure: 1. a screw feeder; 2. a deferrization support; 2a, erecting a support plate; 2b, horizontal mounting plates; 3. an iron removal assembly; 4. a conveyor belt; 5. a mounting frame; 5a, guiding to install the side plate; 6. a vibrating assembly; 6a, a connecting frame; 6b, a linkage bar; 6c, driving a motor; 6d, an eccentric wheel; 6e, a linkage rod; 6f, mounting a boss; 6g, a guide rod; 6h, guiding the sliding block; 7. a roller; 7a, a rotating shaft; 7b, an insulating roller; 7c, mounting grooves; 8. a discharge chute; 8a, a positioning plate; 8b cylindrical guide rods; 9. an electromagnet assembly; 9a, a metal shell; 9b, an electromagnet; 10. a power supply assembly; 10a, an insulating support; 10b, a first wear-resistant conductive block; 10c, a second wear-resistant conductive block; 11. a filter rod; 12. an elastic compression assembly; 12a, arc-shaped stepped holes; 12b, adjusting a support; 12c, positioning a cover plate; 12d, a compression spring; 12e, a conductive rod; 13. fixing the needle seat; 14. a conductive pin; 15. and (5) buckling.
Detailed Description
Referring to fig. 1-10, the deironing device for producing PET recycled bottle flakes comprises a spiral feeder 1, wherein a discharge port of the spiral feeder 1 is in conduction connection with a deironing support 2, and a deironing assembly 3 is arranged on the deironing support 2; a conveyer belt 4 is arranged below the deironing support 2 and used for conveying the deironing PET bottle flakes to the dehydrator.
The iron removing component 3 comprises an installation frame 5 movably sleeved on the iron removing support 2, a vibration component 6 connected with the installation frame 5 is arranged on the iron removing support 2, and the amplitude of the vibration component 6 is 8-12mm; two rollers 7 which rotate in the same direction and are matched with each other are arranged in the mounting frame 5, and the two rollers 7 are arranged in an inclined shape. The roller 7 on the upper side is opposite to the discharge port of the spiral feeder 1, and the mounting frame 5 below the roller 7 on the lower side is provided with a discharge chute 8.
A plurality of electromagnet assemblies 9 are uniformly distributed on the roller 7 at intervals along the circumferential direction, and a power supply assembly 10 matched with the electromagnet assemblies 9 is arranged on the mounting frame 5. Carry metal impurity through the magnetism of power supply unit subtly control electromagnet assembly, break off the power when the electromagnet assembly of top roller is rotatory to the horizontal position that is close to below roller one side and empty the material to the below roller. When the electromagnet assembly of the lower roller rotates to the vertical state below, the power supply is disconnected to dump the materials to the discharging chute.
In this embodiment, the roller 7 is composed of a rotating shaft 7a and an insulating roller 7b fixed on the rotating shaft 7a through a spline; a plurality of mounting grooves 7c are uniformly distributed on the insulating roller 7b at intervals along the circumferential direction, the mounting grooves 7c are axially arranged along the insulating roller 7b, and the electromagnet assemblies 9 are arranged in the mounting grooves 7c in a one-to-one correspondence manner. The electromagnet assembly is detachably mounted in the mounting groove, and replacement and maintenance are convenient. Meanwhile, the output position of the metal impurities can be controlled, and the smart output of the metal impurities is realized.
The electromagnet assembly 9 consists of a magnetic metal shell 9a and an electromagnet 9b arranged in the metal shell 9a, and the electromagnet 9b is connected with the power supply assembly 10; the outer surface of the metal shell 9a is a cambered surface and is positioned on the same circular surface with the roller surface of the insulating roller 7 b. The metal shell is arranged, so that the electromagnet can be protected while the electromagnet is convenient to mount, and the magnetic adsorption area can be increased.
A plurality of rows of filtering rakes are uniformly distributed on the surfaces of the two rollers 7 at intervals along the circumferential direction, and each row of filtering rakes is axially arranged along the rollers 7 and consists of a plurality of cylindrical filtering rods 11 arranged at intervals.
When the amplitude of the vibration component is 8-12mm, the PET bottle piece can be thrown up to a certain height and fall down, so that the PET bottle piece can be fully turned over and can more easily pass through the gap between the filter rods. It is achieved that at the above-mentioned amplitudes the efficiency of the PET bottle flakes passing through the filter rod is increased by at least a factor of two compared to normal high-frequency vibrations. So that the full iron removal of the materials is realized on the premise of not influencing the material conveying.
In this embodiment, one end of each of the two rollers is provided with a driven gear, and the mounting frame is provided with a driving gear and a driving motor which are matched with the two driven gears. Make two roller linkages through this structure, can adjust the initial angle of filtering the harrow on the roller, make the material of top roller filtering harrow can accurately fall on below roller filtering harrow.
Preferably, the gap between two adjacent filter rods 11 is 3-5mm, and the outer diameter of each filter rod 11 is 10-15mm. The filter rod is cylindrical, so that the PET bottle sheet can be prevented from being flatly placed on the upper surface of the filter rod. Through the experiment, the PET bottle piece that is the slice can drop through the clearance between the filter rod fast under the shake of vibration subassembly, and the great metallic impurity of volume is blocked by the filter rod and adsorbs on electromagnet assembly. Even though a small amount of metal impurities can pass through the gaps between the filter rods, the metal impurities do not damage the dewatering equipment due to the small volume of the metal impurities.
Further preferably, the length of the filter rod 11 is 10-15cm, a blanking gap is formed between the two rollers 7, the blanking interval is preferably 8-15cm, the falling of PET bottle chips is facilitated, and the bottle chips can be prevented from being output only through the two rollers. When the material rotated along with the roller that is located the top, most PET bottle piece directly fell to the conveyer belt through the clearance between the filter rod, when empting to the roller that is located the below on, only left a small amount of PET bottle piece and metallic impurity.
In this embodiment, the discharging chute 8 comprises a positioning plate 8a arranged on the mounting frame 5, and a plurality of cylindrical material guiding rods 8b connected with the positioning plate 8a and arranged obliquely; the cylindrical guide rods 8b are uniformly distributed at intervals along the horizontal direction, and the distance between every two adjacent cylindrical guide rods is 3-5mm. The discharging chute adopts cylindrical guide rods, the distance between the cylindrical guide rods is the same as the gap between the filter rods, and PET bottle flakes falling on the discharging chute can conveniently fall on a conveyor belt below through the gap.
In this embodiment, deironing support 2 includes that it is parallel and the interval is fixed to be set up two in 4 frames of conveyer belt and erect extension board 2a along 4 direction of delivery of conveyer belt, is connected with horizontal installation board 2b in two and erects extension board 2a upper ends, is provided with the feed inlet with 1 discharge gate matched with of screw feeder on horizontal installation board 2 b.
The mounting frame 5 comprises two guide mounting side plates 5a which are arranged in parallel and at intervals, and the guide mounting side plates 5a and the vertical support plate 2a are matched to form an annular shield; the electromagnet assembly 9 and the power supply assembly 10 are both arranged on the guide installation side plates 5a, and the roller 7 is rotatably connected between the two guide installation side plates 5 a. Deironing support and installation frame adopt convenient to detach behind the above-mentioned structure, conveniently overhaul inside.
Further preferably, the vibration assembly 6 comprises connecting frames 6a respectively arranged at the proximal end parts of the upper ends of the two guide mounting side plates 5a, a linkage bar 6b is connected between the two connecting frames 6a, the linkage bar 6b is positioned above the horizontal mounting plate 2b, a driving motor 6c is arranged on the horizontal mounting plate 2b, an eccentric wheel 6d is connected at the free end of a power output shaft of the driving motor 6c, and a linkage rod 6e is hinged between the eccentric wheel 6d and the linkage bar 6 b.
Correspondingly, at least two sets of matched mounting bosses 6f are arranged between the outer surfaces of the two vertical support plates 2a and the end parts of the corresponding horizontal mounting plates 2b, guide rods 6g are fixedly connected between the sets of mounting bosses 6f along the vertical direction, guide sliders 6h are connected on the guide rods 6g at the same side in a sliding manner, and the guide sliders 6h are fixedly connected between the upper ends of the two guide mounting side plates 5 a. The two guide installation side plates are connected through the connecting frame and the linkage strip, the driving motor is arranged on the horizontal installation plate, uniform force application to the two guide installation side plates can be achieved, and the stability and the smoothness of up-and-down movement of the guide installation side plates are guaranteed. Meanwhile, the guide sliding blocks on the two sides can increase the stability between the two guide mounting side plates while guiding.
In this embodiment, preferably, the power supply assembly 10 includes insulating supports 10a respectively fixed to two ends of each metal housing 9a along the length direction, a first wear-resistant conductive block 10b is fixed on the insulating support 10a, the first wear-resistant conductive blocks 10b at the two ends are in conductive connection with circuits at two ends of a coil on the electromagnet 9b in the corresponding metal housing 9a, and two ends of an outer end surface of the first wear-resistant conductive block 10b along the length direction are in an arc structure. The insulating support separates metal casing and first wear-resisting conducting block, avoids metal casing direct circular telegram to influence the electro-magnet work. When the first wear-resistant conductive block is worn and needs to be replaced, the first wear-resistant conductive block can be directly taken down from the insulating support, and replacement is convenient.
The installation frame 5 is connected with a second wear-resistant conductive block 10c which is matched with each first wear-resistant conductive block 10b and is arc-shaped through an elastic compression component 12, the second wear-resistant conductive block 10c is connected with an external power supply in a conduction mode, and two ends of the end face, opposite to the first wear-resistant conductive block 10b, of the second wear-resistant conductive block 10c are of arc-shaped structures. The arc length W1 corresponding to the arc opening area of the second wear-resistant conductive block 10c is at least 1.5 times the arc length W2 of the outer surface of the metal shell 9 a. Through the experiment, the value of W1 and W2 is rationally set up for corresponding regional electro-magnet subassembly 9 has sufficient outage time, makes metallic impurity can export smoothly.
Simultaneously, compress tightly the subassembly through elasticity and make the wear-resisting conducting block of second hug closely first wear-resisting conducting block terminal surface all the time in the course of the work, prevent because wearing and tearing back both disconnection can't be switched on. Meanwhile, the two ends of the end faces of the first wear-resistant conductive block and the second wear-resistant conductive block are of cambered surface structures, smooth transition between the first wear-resistant conductive block and the second wear-resistant conductive block can be guaranteed in the rotating process, and damage caused by severe collision is avoided.
In this embodiment, the elastic pressing component 12 includes an arc-shaped stepped hole 12a disposed on the mounting frame 5 and opposite to the first wear-resistant conductive block 10b, an adjusting support 12b is movably disposed in the arc-shaped stepped hole 12a, a positioning cover plate 12c is disposed at an outer end opening portion of the arc-shaped stepped hole 12a, and a pressing spring 12d is disposed between the positioning cover plate 12c and the adjusting support 12 b.
The second wear-resistant conductive block 10c is arranged on the adjusting support 12b, conductive rods 12e are respectively arranged on two sides of the second wear-resistant conductive block 10c, and the conductive rods 12e sequentially penetrate through the adjusting support 12b and the positioning cover plate 12c to extend to the outer side of the positioning cover plate 12c and are in conduction connection with an external power supply. When the second wear-resistant conductive block or the first wear-resistant conductive block is worn and shortened after working for a long time, the compression spring can deform along with the second wear-resistant conductive block to push the adjusting support to advance, so that the second wear-resistant conductive block is always tightly attached to the first wear-resistant conductive block. When the second wear-resistant conductive block needs to be replaced, the whole assembly is directly taken out through the positioning cover plate to replace the second wear-resistant conductive block independently.
Further preferably, a fixed needle seat 13 made of insulating material is arranged at the inner end part of the metal shell 9a, a through hole corresponding to the fixed needle seat 13 is arranged on the insulating support 10a, and a conductive needle 14 which penetrates through the through hole and is matched with the first wear-resistant conductive block 10b is arranged on the insulating support 10 a; the first wear-resistant conductive block 10b is provided with a buckle 15 matched with the conductive pin 14. After adopting this structure, first wear-resisting conducting block inserts insulating support and can directly be connected with the conducting pin, makes things convenient for the dismouting to change first wear-resisting conducting block.
During operation, the material through the cleaning process is carried on getting into the roller in the installation frame through the feed screw, and the material filters through the filtration harrow on two rollers, and PET bottle piece falls to carry on the conveyer belt and gets into the hydroextractor in, and the electro-magnet subassembly adsorbs the metallic impurity separation in the material on the roller surface and through ejection of compact chute output.
The above-mentioned embodiments are only for convenience of description, and are not intended to limit the present invention in any way, and those skilled in the art will understand that the technical features of the present invention can be modified or changed by other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. A deironing device for producing PET (polyethylene terephthalate) regenerated bottle flakes comprises a spiral feeder (1) and is characterized in that a discharge hole of the spiral feeder (1) is in conduction connection with a deironing support (2), and a deironing assembly (3) is arranged on the deironing support (2); a conveyer belt (4) is arranged below the iron removing support (2) and is used for conveying the PET bottle flakes subjected to iron removal to a dehydrator;
the iron removing component (3) comprises an installation frame (5) movably sleeved on the iron removing support (2), a vibration component (6) connected with the installation frame (5) is arranged on the iron removing support (2), and the amplitude of the vibration component (6) is 8-12mm; two rollers (7) which rotate in the same direction and are matched with each other are arranged in the installation frame (5), the two rollers (7) are arranged in an inclined shape, the roller (7) positioned on the upper side is opposite to the discharge hole of the spiral feeder (1), and a discharge chute (8) is arranged on the installation frame (5) below the roller (7) positioned on the lower side;
a plurality of electromagnet assemblies (9) are uniformly distributed on the roller (7) at intervals along the circumferential direction, and a power supply assembly (10) matched with the electromagnet assemblies (9) is arranged on the mounting frame (5);
a plurality of rows of filtering rakes are uniformly distributed on the surfaces of the two rollers (7) at intervals along the circumferential direction, and each row of filtering rakes are axially arranged along the rollers (7) and are composed of a plurality of filtering rods (11) arranged at intervals.
2. The iron removing device for producing the PET recycled bottle flakes according to claim 1, wherein the iron removing support (2) comprises two vertical support plates (2 a) which are parallel to the conveying direction of the conveying belt (4) and are fixedly arranged on the frame of the conveying belt (4) at intervals, the upper ends of the two vertical support plates (2 a) are connected with a horizontal mounting plate (2 b), and a feeding hole matched with the discharging hole of the spiral feeder (1) is formed in the horizontal mounting plate (2 b);
the mounting frame (5) comprises two guide mounting side plates (5 a) which are arranged in parallel at intervals, and the guide mounting side plates (5 a) and the vertical support plates (2 a) are matched to form an annular shield; the electromagnet assembly (9) and the power supply assembly (10) are arranged on the guide installation side plates (5 a), and the roller (7) is rotatably connected between the two guide installation side plates (5 a).
3. The iron removing device for the production of the PET regenerated bottle flakes according to claim 2, wherein the vibration component (6) comprises connecting frames (6 a) respectively arranged at the near end parts of the upper ends of the two guide mounting side plates (5 a), a linkage strip (6 b) is connected between the two connecting frames (6 a), the linkage strip (6 b) is positioned above the horizontal mounting plate (2 b), a driving motor (6 c) is arranged on the horizontal mounting plate (2 b), an eccentric wheel (6 d) is connected at the free end of a power output shaft of the driving motor (6 c), and a linkage rod (6 e) is hinged between the eccentric wheel (6 d) and the linkage strip (6 b);
at least two sets of matched with installation bosses (6 f) are arranged between the outer surfaces of the two vertical support plates (2 a) and the end parts of the corresponding horizontal installation plates (2 b), guide sliders (6 h) are connected between the installation bosses (6 f) along vertical fixedly connected guide rods (6 g) in a sliding manner on the guide rods (6 g) on the same side, and the guide sliders (6 h) are fixedly connected between the upper ends of the two guide installation side plates (5 a).
4. The iron removing device for producing the PET regenerated bottle flakes according to claim 1, wherein the roller (7) consists of a rotating shaft (7 a) and an insulating roller (7 b) fixed on the rotating shaft (7 a) through splines; a plurality of mounting grooves (7 c) are uniformly distributed on the insulating roller (7 b) at intervals along the circumferential direction, each mounting groove (7 c) is axially arranged along the insulating roller (7 b), and the electromagnet assemblies (9) are correspondingly arranged in the mounting grooves (7 c) one by one;
the electromagnet assembly (9) consists of a magnetic metal shell (9 a) and an electromagnet (9 b) arranged in the metal shell (9 a), and the electromagnet (9 b) is connected with the power supply assembly (10); the outer surface of the metal shell (9 a) is an arc surface and is positioned on the same circular surface with the roller surface of the insulating roller (7 b).
5. The iron removing device for producing the PET recycled bottle flakes according to claim 4, wherein the power supply assembly (10) comprises insulating supports (10 a) respectively fixed at two ends of each metal shell (9 a) along the length direction, first wear-resistant conductive blocks (10 b) are fixed on the insulating supports (10 a), the first wear-resistant conductive blocks (10 b) at the two ends are in conductive connection with circuits at two ends of a coil on an electromagnet (9 b) in the corresponding metal shell (9 a), and two ends of the outer end surface of each first wear-resistant conductive block (10 b) along the length direction are of an arc surface structure;
the mounting frame (5) is connected with second wear-resistant conductive blocks (10 c) which are matched with the first wear-resistant conductive blocks (10 b) and arc-shaped through elastic pressing components (12), the second wear-resistant conductive blocks (10 c) are in conduction connection with an external power supply, and two ends of the end face, opposite to the first wear-resistant conductive blocks (10 b), of each second wear-resistant conductive block (10 c) are of arc-surface structures;
the arc length W1 corresponding to the arc opening area of the second wear-resistant conductive block (10 c) is at least 1.5 times of the arc length W2 of the outer surface of the metal shell (9 a).
6. The iron removing device for producing the PET recycled bottle flakes according to claim 5, wherein the elastic pressing component (12) comprises an arc-shaped stepped hole (12 a) which is arranged on the mounting frame (5) and is opposite to the first wear-resistant conductive block (10 b), an adjusting support (12 b) is movably arranged in the arc-shaped stepped hole (12 a), a positioning cover plate (12 c) is arranged at an opening part of the outer end of the arc-shaped stepped hole (12 a), and a pressing spring (12 d) is arranged between the positioning cover plate (12 c) and the adjusting support (12 b);
the second wear-resistant conductive block (10 c) is arranged on the adjusting support (12 b), conductive rods (12 e) are respectively arranged on two sides of the second wear-resistant conductive block (10 c), and the conductive rods (12 e) sequentially penetrate through the adjusting support (12 b) and the positioning cover plate (12 c) to extend to the outer side of the positioning cover plate (12 c) and are in conduction connection with an external power supply.
7. The iron removing device for producing the PET regenerated bottle flakes according to claim 1, wherein the gap between two adjacent filter rods (11) is 3-5mm, and the outer diameter of each filter rod (11) is 10-15mm.
8. The iron removing device for producing the PET regenerated bottle flakes according to claim 1, wherein the length of the filter rod (11) is 10-15cm, and a blanking gap is formed between the two rollers (7).
9. The iron removing device for producing the PET regenerated bottle flakes according to claim 1, wherein the discharging chute (8) comprises a positioning plate (8 a) arranged on the mounting frame (5) and a plurality of cylindrical guide rods (8 b) which are connected with the positioning plate (8 a) and are obliquely arranged; the cylindrical guide rods (8 b) are uniformly distributed at intervals along the horizontal direction, and the distance between every two adjacent cylindrical guide rods is 3-5mm.
10. The iron removing device for producing the PET recycled bottle flakes according to claim 5, wherein a fixed needle seat (13) made of insulating material is arranged at the inner end part of the metal shell (9 a), a through hole corresponding to the fixed needle seat (13) is arranged on the insulating support (10 a), and a conductive needle (14) which penetrates through the through hole and is matched with the first wear-resistant conductive block (10 b) is arranged on the insulating support (10 a); the first wear-resistant conductive block (10 b) is provided with a buckle (15) matched with the conductive needle (14).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211164233.6A CN115489051B (en) | 2022-09-23 | 2022-09-23 | Deironing device is used in production of PET regeneration bottle piece |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211164233.6A CN115489051B (en) | 2022-09-23 | 2022-09-23 | Deironing device is used in production of PET regeneration bottle piece |
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| CN115489051A true CN115489051A (en) | 2022-12-20 |
| CN115489051B CN115489051B (en) | 2023-12-26 |
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