CN115489051B - Deironing device is used in production of PET regeneration bottle piece - Google Patents
Deironing device is used in production of PET regeneration bottle piece Download PDFInfo
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- CN115489051B CN115489051B CN202211164233.6A CN202211164233A CN115489051B CN 115489051 B CN115489051 B CN 115489051B CN 202211164233 A CN202211164233 A CN 202211164233A CN 115489051 B CN115489051 B CN 115489051B
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- wear
- roller
- iron removing
- resistant conductive
- assembly
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- 238000004519 manufacturing process Methods 0.000 title abstract description 8
- 230000008929 regeneration Effects 0.000 title description 6
- 238000011069 regeneration method Methods 0.000 title description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 120
- 229910052742 iron Inorganic materials 0.000 claims abstract description 60
- 239000002184 metal Substances 0.000 claims abstract description 40
- 229910052751 metal Inorganic materials 0.000 claims abstract description 40
- 238000009434 installation Methods 0.000 claims abstract description 37
- 238000000429 assembly Methods 0.000 claims abstract description 14
- 230000000712 assembly Effects 0.000 claims abstract description 14
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 19
- 238000001914 filtration Methods 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 4
- 238000002474 experimental method Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000009414 blockwork Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 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
- 230000007306 turnover 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
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)
- Electrostatic Separation (AREA)
- Sorting Of Articles (AREA)
Abstract
The invention discloses an iron removing device for producing PET regenerated bottle flakes; belonging to the technical field of PET regenerated bottle flake production; the technical key point of the device comprises a spiral feeder, wherein a discharge port of the spiral feeder is connected with an iron removal support in a conducting way, an iron removal assembly is arranged on the iron removal support, and a conveying belt is arranged below the iron removal support; the iron removal assembly comprises a mounting frame, and a vibration assembly is arranged on the iron removal support; two rollers are arranged in the installation frame and are arranged in an inclined mode, and a discharging chute is arranged on the installation 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 filter rakes which are axially arranged along the roller and are composed of a plurality of filter rods; the invention aims to provide an iron removing device for producing PET regenerated bottle flakes, which has a compact structure and good iron removing effect; the PET regenerated bottle flakes are used for removing metal impurities and then are conveyed into a dehydrator.
Description
Technical Field
The invention relates to an iron removing device, in particular to an iron removing device for producing PET regenerated bottle flakes.
Background
The PET plastic has wide application as packaging material and is produced into various plastic bottles, such as cola bottle, mineral water bottle, etc. In order to reduce the pollution to the environment, people recycle and regenerate the waste plastic bottles.
In the current PET bottle flake production process, PET plastic bottle flakes are washed and dehydrated after being crushed for one time. Some PET plastic bottles have metal parts, and after being crushed, a small amount of metal impurities are mixed in PET bottle flake fragments, so that iron removal treatment is needed before feeding in order to protect a dehydrator.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the iron removing device for producing the PET regenerated bottle flakes, which is compact in structure and good in iron removing effect.
The technical scheme of the invention is realized as follows: the iron removing device for producing the PET regenerated bottle flakes comprises a spiral feeder, wherein an iron removing support is connected to a discharge port of the spiral feeder in a conducting manner, and an iron removing assembly is arranged on the iron removing support; and a conveying belt is arranged below the iron removal support and used for conveying the PET bottle flakes subjected to iron removal to a dehydrator.
The iron removing assembly comprises a mounting frame movably sleeved on an iron removing support, a vibration assembly connected with the mounting frame is arranged on the iron removing support, and the amplitude of the vibration assembly is 8-12mm; two rollers which rotate in the same direction and are matched with each other are arranged in the installation frame, the two rollers are arranged in an inclined mode, the roller positioned on the upper side is opposite to the discharge hole of the spiral feeder, and a discharge chute is arranged on the installation frame below the roller positioned on the lower side.
A plurality of electromagnet assemblies are uniformly distributed on the roller along the circumferential direction at intervals, and a power supply assembly matched with the electromagnet assemblies is arranged on the mounting frame.
A plurality of rows of filter rakes are uniformly distributed on the surfaces of the two rollers at intervals along the circumferential direction, and each row of filter rakes is axially arranged along the rollers and consists of a plurality of filter rods which are arranged at intervals.
In the above-mentioned deironing device for PET regeneration bottle piece production, the deironing support includes two perpendicular extension boards that are parallel and the interval fixed setting in the conveyer belt frame along conveyer belt direction of delivery, is connected with horizontal mounting panel in two perpendicular extension boards upper ends, is provided with on horizontal mounting panel with spiral feeder discharge gate matched with feed inlet.
The mounting frame comprises two parallel and spaced guide mounting side plates, and the guide mounting side plates and the vertical support plates 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 rotationally connected between the two guide installation side plates.
In the above-mentioned deironing device is used in production of PET regeneration bottle piece, vibration subassembly is including setting up the link at two direction installation curb plate upper end near-ends respectively, is connected with the linkage strip between two links, the linkage strip is located horizontal mounting panel top, is provided with driving motor on horizontal mounting panel, is connected with the eccentric wheel at driving motor power output shaft free end, articulates there is the gangbar between eccentric wheel and linkage strip.
At least two groups of matched installation bosses are arranged between the outer surfaces of the two vertical support plates and the corresponding end parts of the horizontal installation plates, guide rods are fixedly connected between the groups of installation bosses along the vertical direction, guide sliding blocks are slidingly connected on the guide rods on the same side, and the guide sliding blocks 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 each mounting groove in a one-to-one correspondence manner.
The electromagnet assembly consists of a magnetic metal shell 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 round surface with the surface of the insulating roller.
In the above-mentioned deironing device is used in production of PET regeneration bottle piece, power supply unit is including fixing the insulating support at each metal casing along length direction's both ends respectively, is fixed with first wear-resisting conducting block on insulating support, and the first wear-resisting conducting block at both ends is connected and the outer terminal surface of first wear-resisting conducting block is cambered surface structure along length direction's both ends with the coil both ends circuit conduction on the electro-magnet in the corresponding metal casing.
The mounting frame is connected with second wear-resistant conductive blocks which are matched with the first wear-resistant conductive blocks and arc-shaped through elastic compression assemblies, the second wear-resistant conductive blocks are connected with an external power supply in a conducting way, and two ends of the end faces of the second wear-resistant conductive blocks, which are opposite to the first wear-resistant conductive blocks, are in 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 the arc length W2 of the outer surface of the metal shell.
In the above-mentioned deironing device is used in production of PET regeneration bottle piece, elasticity compresses tightly the subassembly including setting up on the installing frame and with the relative arc step hole of first wear-resisting conducting block, be provided with the regulation support in the downthehole activity of arc step, be provided with the location apron in hole shape step hole outer end opening part, be provided with compression spring between location apron and regulation support.
The second wear-resistant conductive block is arranged on the adjusting support, conductive rods are respectively arranged on two sides of the second wear-resistant conductive block, sequentially penetrate through the adjusting support and the positioning cover plate, extend to the outer side of the positioning cover plate and are connected with an external power supply in a conducting mode.
In the iron removing device for producing the PET regenerated bottle flakes, the gap between two adjacent filtering rods is 3-5mm, and the outer diameter of each filtering rod is 10-15mm.
In the iron removing device for producing the PET regenerated bottle flakes, the length of the filtering 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 guide rods connected with the positioning plate and obliquely arranged; the cylindrical material guide rods are uniformly distributed at intervals along the horizontal direction, and the distance between every two adjacent cylindrical material guide 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 needle.
After the structure is adopted, PET bottle flakes are fed into the iron removing assembly through the spiral feeder and fall between the filtering rakes, the PET bottle flakes sufficiently and violently jump under the vibration of the vibration assembly with the amplitude of 8-12mm so as to fall from the gaps between the filtering rods, meanwhile, metal impurities are adsorbed by the electromagnet assembly on the roller, and the magnetic force of the roller is controlled by the power supply assembly so as to enable the metal impurities to be conveyed to the discharging chute for output, so that the metal impurities in the PET bottle flakes are removed. Through realizing, under the above-mentioned amplitude, PET bottle piece beats fast and overturns, compares ordinary high-frequency vibration, and the efficiency that the PET bottle piece passed the filter rod has improved at least twice. Because the conventional high-frequency low-amplitude vibration can not turn over the PET bottle flakes, only the vibration can occur.
Further, set up two syntropy rotations and roller that mutually support, carry out twice deironing flow to the material, avoid metal impurity to be surrounded by a large amount of PET bottle piece and can't be adsorbed by single electromagnet assembly, can effectively improve deironing effect.
Drawings
The invention is described in further detail below in connection with the embodiments in the drawings, but is not to be construed as limiting the invention in any way.
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 view of the structure of the hidden screw feeder of the present invention.
Fig. 4 is a schematic side sectional structure 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 the partial structure at B of the present invention.
Fig. 9 is a schematic view of the structure of the elastic pressing assembly of the present invention.
FIG. 10 is a schematic view of the configuration of the roller and power assembly of the present invention in a mated condition.
In the figure: 1. a screw feeder; 2. iron removal support; 2a, vertical support plates; 2b, a horizontal mounting plate; 3. an iron removal assembly; 4. a conveyor belt; 5. a mounting frame; 5a, guiding and installing side plates; 6. a vibration assembly; 6a, a connecting frame; 6b, a linkage bar; 6c, driving a motor; 6d, eccentric wheels; 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, a mounting groove; 8. a discharge chute; 8a, positioning plates; 8b, a cylindrical material guide rod; 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 step holes; 12b, adjusting the support; 12c, positioning a cover plate; 12d, compressing a spring; 12e, conductive rods; 13. fixing the needle stand; 14. a conductive needle; 15. and (5) a buckle.
Detailed Description
Referring to fig. 1-10, the iron removing device for producing PET regenerated bottle flakes comprises a spiral feeder 1, wherein an iron removing support 2 is connected to a discharge port of the spiral feeder 1 in a conducting manner, and an iron removing assembly 3 is arranged on the iron removing support 2; a conveyer belt 4 is arranged below the iron removal support 2 and is used for conveying PET bottle flakes after iron removal to a dehydrator.
The iron removal assembly 3 comprises a mounting frame 5 movably sleeved on the iron removal support 2, a vibration assembly 6 connected with the mounting frame 5 is arranged on the iron removal support 2, and the amplitude of the vibration assembly 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, and the two rollers 7 are arranged in an inclined mode. The roller 7 positioned at the upper side is opposite to the discharge port of the spiral feeder 1, and a discharge chute 8 is arranged on the installation frame 5 positioned below the roller 7 at 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. The magnetism of the electromagnet assembly is skillfully controlled through the power supply assembly to convey metal impurities, and when the electromagnet assembly of the upper roller rotates to a horizontal position close to one side of the lower roller, the power supply is disconnected to pour materials onto the lower roller. When the electromagnet assembly of the lower roller rotates to a vertical state below, the power supply is disconnected to pour the material onto the discharge chute.
In the present embodiment, the roller 7 is composed of a rotating shaft 7a and an insulating roller 7b fixed on the rotating shaft 7a by a spline; a plurality of mounting grooves 7c are uniformly distributed on the insulating roller 7b along the circumferential direction at intervals, each mounting groove 7c is axially arranged along the insulating roller 7b, and the electromagnet assemblies 9 are arranged in each mounting groove 7c in a one-to-one correspondence manner. The electromagnet assembly is detachably arranged in the mounting groove, so that replacement and maintenance are convenient. Meanwhile, the metal impurity output position can be controlled, and smart output of the metal impurities is realized.
The electromagnet assembly 9 consists of a magnetically movable 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 round surface with the surface of the insulating roller 7 b. Through setting up metal casing can form the protection to the electro-magnet when making things convenient for the electro-magnet installation to can increase magnetism adsorption area.
A plurality of rows of filter rakes are uniformly distributed on the surfaces of the two rollers 7 at intervals along the circumferential direction, and each row of filter rakes is axially arranged along the rollers 7 and consists of a plurality of cylindrical filter rods 11 which are arranged at intervals.
When the amplitude of the vibration component is 8-12mm, the PET bottle flakes can be thrown up to a certain height and fall down, so that the PET bottle flakes can be fully overturned, and the PET bottle flakes can pass through gaps between the filter rods more easily. By realizing the vibration amplitude, compared with the common high-frequency vibration, the efficiency of the PET bottle flakes passing through the filter rod is improved by at least two times. So that the material can be fully deironing on the premise of not influencing the material conveying.
In this embodiment, driven gears are disposed at one ends of the two rollers, and a driving gear and a driving motor which are matched with the two driven gears are disposed on the mounting frame. Through this structure makes two rollers linkage, can adjust the initial angle of the filtration harrow on the roller, makes the material of the upper roller filtration harrow can accurately fall on the below roller filtration 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 PET bottle flakes can be prevented from being horizontally placed on the upper surface of the filter rod. Through experiments, PET bottle flakes in the shape of flakes can fall through gaps between the filter rods rapidly under the shaking of the vibrating assembly, and metal impurities with larger volumes are blocked by the filter rods and adsorbed on the electromagnet assembly. Even if there is a small amount of metal impurities that can pass through the gaps between the filter rods at this time, the dehydration equipment is not damaged due to its small volume.
Further preferably, the length of the filtering rod 11 is 10-15cm, a blanking gap is formed between the two rollers 7, and the blanking gap is preferably 8-15cm, so that the falling of PET bottle flakes is facilitated, and the bottle flakes can be prevented from being output through the two rollers. When the material rotates along with the roller positioned above, most PET bottle flakes directly fall onto the conveying belt through a gap between the filtering rods, and when the PET bottle flakes are dumped onto the roller positioned below, only a small amount of PET bottle flakes and metal impurities are left.
In the embodiment, the discharging chute 8 comprises a positioning plate 8a arranged on the mounting frame 5 and a plurality of cylindrical material guide rods 8b which are connected with the positioning plate 8a and are obliquely arranged; the cylindrical material guide rods 8b are uniformly distributed at intervals along the horizontal direction, and the interval between every two adjacent cylindrical material guide rods is 3-5mm. The discharge chute adopts cylindrical guide rods, the interval between the cylindrical guide rods is the same as the interval between the filter rods, and PET bottle flakes falling onto the discharge chute can conveniently fall onto the lower conveying belt through the interval.
In this embodiment, the iron removal support 2 includes two vertical support plates 2a that are parallel along 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 2a are connected with a horizontal mounting plate 2b, and a feed inlet matched with the discharge port of the screw feeder 1 is arranged on the horizontal mounting plate 2 b.
The mounting frame 5 comprises two parallel and spaced guide mounting side plates 5a, and the guide mounting side plates 5a and the vertical support plates 2a 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 5a, and the roller 7 is rotatably connected between the two guide installation side plates 5 a. The iron removal support and the installation frame are convenient to detach after adopting the structure, and the interior is convenient to overhaul.
Further preferably, the vibration assembly 6 comprises connecting frames 6a respectively arranged at the upper end proximal parts of the two guiding and 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, the free end of a power output shaft of the driving motor 6c is connected with an eccentric wheel 6d, and a linkage rod 6e is hinged between the eccentric wheel 6d and the linkage bar 6 b.
Correspondingly, at least two groups of matched installation bosses 6f are arranged between the outer surfaces of the two vertical support plates 2a and the corresponding ends of the horizontal installation plates 2b, guide rods 6g are fixedly connected between the groups of installation bosses 6f along the vertical direction, guide sliding blocks 6h are slidingly connected on the guide rods 6g on the same side, and the guide sliding blocks 6h are fixedly connected between the upper ends of the two guide installation side plates 5 a. The two guide installation side plates are connected through the connecting frame and the linkage bar, the driving motor is arranged on the horizontal installation plate, the two guide installation side plates can be uniformly forced, and the stability and smoothness of the up-and-down movement of the guide installation side plates are ensured. Meanwhile, the guide sliding blocks on two sides can increase the stability between the two guide installation side plates while guiding.
In this embodiment, preferably, the power supply assembly 10 includes insulating supports 10a respectively fixed at two ends of each metal casing 9a along the length direction, first wear-resistant conductive blocks 10b are fixed on the insulating supports 10a, the first wear-resistant conductive blocks 10b at two ends are in circuit connection with two ends of a coil on the electromagnet 9b in the corresponding metal casing 9a, and two ends of an outer end face of the first wear-resistant conductive block 10b along the length direction are in an arc surface structure. The insulating support separates the metal shell from the first wear-resistant conductive block, and the direct electrifying of the metal shell is avoided to influence the work of the electromagnet. 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 second wear-resistant conductive blocks 10c which are matched with the first wear-resistant conductive blocks 10b and arc-shaped through elastic pressing assemblies 12, the second wear-resistant conductive blocks 10c are connected with an external power supply in a conducting mode, and two ends of the end faces of the second wear-resistant conductive blocks 10c, which are opposite to the first wear-resistant conductive blocks 10b, are of cambered surface 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 experiments, the values of W1 and W2 are reasonably set, so that the electromagnet assemblies 9 in corresponding areas have enough power-off time, and metal impurities can be smoothly output.
Simultaneously, make the second wear-resisting conducting block can hug closely first wear-resisting conducting block terminal surface all the time in the course of the work through elasticity hold-down subassembly, prevent because both break off unable circular telegram after wearing and tearing. Meanwhile, the two ends of the end faces of the first wear-resistant conductive block and the second wear-resistant conductive block are in cambered surface structures, smooth transition between the two ends can be ensured in the rotating process, and severe collision and damage are avoided.
In this embodiment, the elastic pressing assembly 12 includes an arc-shaped stepped hole 12a disposed on the mounting frame 5 and opposite to the first abrasion-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 opening of an outer end 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 disposed on the adjusting support 12b, conductive rods 12e are disposed on two sides of the second wear-resistant conductive block 10c, and the conductive rods 12e sequentially pass through the adjusting support 12b and the positioning cover plate 12c, extend to the outer side of the positioning cover plate 12c, and are connected with an external power supply in a conductive manner. When the second wear-resistant conductive block or the first wear-resistant conductive block works for a long time, the wear becomes short, and the compression spring deforms along with the deformation to push the adjusting support to advance, so that the second wear-resistant conductive block is always clung 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, the inner end of the metal shell 9a is provided with a fixed needle seat 13 made of insulating material, the insulating support 10a is provided with a through hole corresponding to the fixed needle seat 13, and the insulating support 10a is provided with a conductive needle 14 which penetrates through the through hole and is matched with the first wear-resistant conductive block 10 b; a buckle 15 matched with the conductive needle 14 is arranged on the first wear-resistant conductive block 10 b. After the structure is adopted, the first wear-resistant conductive block can be directly connected with the conductive needle by inserting the first wear-resistant conductive block into the insulating support, so that the first wear-resistant conductive block can be conveniently disassembled, assembled and replaced.
During operation, the material through the cleaning process is carried through the screw feeder and gets into on the roller in the installing frame, and the material filters through the filtration harrow on two rollers, and the PET bottle piece falls on the conveyer belt and carries into in the hydroextractor, and the electro-magnet subassembly adsorbs the metal impurity separation in the material on the roller surface and exports through ejection of compact chute.
The above examples are provided for convenience of description of the present invention and are not to be construed as limiting the invention in any way, and any person skilled in the art will make partial changes or modifications to the invention by using the disclosed technical content without departing from the technical features of the invention.
Claims (9)
1. The iron removing device for producing the PET regenerated bottle flakes comprises a spiral feeder (1) and is characterized in that an iron removing support (2) is connected to a discharge port of the spiral feeder (1) in a conducting manner, and an iron removing assembly (3) is arranged on the iron removing support (2); a conveying belt (4) is arranged below the iron removal support (2) and is used for conveying the PET bottle flakes subjected to iron removal to a dehydrator;
the iron removing assembly (3) comprises a mounting frame (5) movably sleeved on the iron removing support (2), a vibrating assembly (6) connected with the mounting frame (5) is arranged on the iron removing support (2), and the amplitude of the vibrating assembly (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), the two rollers (7) are obliquely arranged, 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 mounting 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 filter rakes are uniformly distributed on the surfaces of the two rollers (7) at intervals along the circumferential direction, and each row of filter rakes is axially arranged along the rollers (7) and consists of a plurality of filter rods (11) which are arranged at intervals;
the roller (7) consists of a rotating shaft (7 a) and an insulating roller (7 b) fixed on the rotating shaft (7 a) through a spline; 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 arranged in each mounting groove (7 c) in a one-to-one correspondence manner;
the electromagnet assembly (9) consists of a magnetically movable 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 a cambered surface and is positioned on the same round surface with the roller surface of the insulating roller (7 b).
2. The iron removing device for producing PET regenerated 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 a rack of the conveying belt (4) at intervals, the upper ends of the two vertical support plates (2 a) are connected with horizontal mounting plates (2 b), and the horizontal mounting plates (2 b) are provided with feed inlets matched with discharge ports of a spiral feeder (1);
the mounting frame (5) comprises two parallel and spaced guide mounting side plates (5 a), 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 rotationally connected between the two guide installation side plates (5 a).
3. The iron removing device for producing the PET regenerated bottle flakes according to claim 2, wherein the vibration assembly (6) comprises connecting frames (6 a) which are respectively arranged at the upper end and the near end parts of two guide installation side plates (5 a), a linkage bar (6 b) is connected between the two connecting frames (6 a), the linkage bar (6 b) is positioned above the horizontal installation plate (2 b), a driving motor (6 c) is arranged on the horizontal installation 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 bar (6 b);
at least two groups of matched 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 rods (6 g) are fixedly connected between the groups of installation bosses (6 f) along the vertical direction, guide sliding blocks (6 h) are slidingly connected on the guide rods (6 g) on the same side, and the guide sliding blocks (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 power supply assembly (10) comprises insulating supports (10 a) which are 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 two ends are in circuit conduction connection with two ends of a coil on an electromagnet (9 b) in the corresponding metal shell (9 a), and two ends of the outer end face of each first wear-resistant conductive block (10 b) along the length direction are in cambered surface structures;
the installation 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 compression assemblies (12), the second wear-resistant conductive blocks (10 c) are connected with an external power supply in a conducting way, and two ends of the end faces of the second wear-resistant conductive blocks (10 c) opposite to the first wear-resistant conductive blocks (10 b) are in arc-shaped 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).
5. The iron removing device for producing the PET regenerated bottle flakes according to claim 4, wherein the elastic pressing assembly (12) comprises an arc-shaped step 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 step hole (12 a), a positioning cover plate (12 c) is arranged at the opening part of the outer end of the arc-shaped step 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 connected with an external power supply in a conducting mode.
6. The iron removing device for producing PET regenerated bottle flakes according to claim 1, wherein a gap between two adjacent filter rods (11) is 3-5mm, and an outer diameter of each filter rod (11) is 10-15mm.
7. The iron removing device for producing PET regenerated bottle flakes according to claim 1, wherein the length of the filtering rod (11) is 10-15cm, and a blanking gap is formed between the two rollers (7).
8. The iron removing device for producing 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 material guiding rods (8 b) which are connected with the positioning plate (8 a) and are obliquely arranged; the cylindrical material guide rods (8 b) are uniformly distributed at intervals along the horizontal direction, and the distance between every two adjacent cylindrical material guide rods is 3-5mm.
9. The iron removing device for producing PET regenerated bottle flakes according to claim 4, 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) matched with the first wear-resistant conductive block (10 b) through the through hole is arranged on the insulating support (10 a); a buckle (15) matched with the conductive needle (14) is arranged on the first wear-resistant conductive block (10 b).
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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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| 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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| CN115489051B true CN115489051B (en) | 2023-12-26 |
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| CN115489051A (en) | 2022-12-20 |
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