CN114407235A

CN114407235A - Efficient decomposition and recovery robot for plastic bottles and recovery method thereof

Info

Publication number: CN114407235A
Application number: CN202210207983.0A
Authority: CN
Inventors: 黄诗毅; 湛彩虹; 黄敏惠
Original assignee: Jiangxi Zhongjuhong New Material Technology Co ltd
Current assignee: Jiangxi Zhongjuhong New Material Technology Co ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-04-29
Anticipated expiration: 2042-03-04
Also published as: CN114407235B

Abstract

The invention discloses a robot for efficiently decomposing and recycling plastic bottles, which comprises a material distributing device, a label removing device, a color sorting device, a slitting device, a vibrating screen and a crusher, wherein the material distributing device is used for distributing a plastic bottle material; the material distributing device is used for conveying the plastic bottles to the label removing device; the label removing device is used for cutting off the labels on the plastic bottles, heating the cut labels and conveying the plastic bottles to the color sorting device; the color sorting device is used for sorting the plastic bottles through bottle cap color detection of the plastic bottles and separating labels on the plastic bottles from bottle bodies; the cutting device is used for cutting the plastic bottle which passes through the color sorting device into two halves; the vibrating screen is used for separating the bottle cap and the anti-theft ring of the cut plastic bottle from the bottle body; the pulverizer is used for respectively performing pulverizing operation on the label, the bottle body, the bottle cap and the anti-theft ring of the plastic bottle; the invention is beneficial to improving the physical properties of the recycled plastic.

Description

Efficient decomposition and recovery robot for plastic bottles and recovery method thereof

Technical Field

The invention relates to a robot for efficiently decomposing and recycling plastic bottles.

Background

Most of the current plastic bottle recycling is to melt the whole plastic bottle for granulation again after being crushed, but the bottle cap, the anti-theft ring, the bottle body and the label of the plastic bottle are different in material and have different colors, so that the plastic bottle is crushed and recycled in an extensive manner, materials with different components and different colors are mixed together, the physical performance of the recycled plastic is reduced, and the recycled plastic can only be degraded for use.

Disclosure of Invention

The invention aims to overcome the defects and provide a robot for efficiently decomposing and recycling plastic bottles.

In order to achieve the purpose, the invention adopts the following specific scheme:

a robot for efficiently decomposing and recycling plastic bottles comprises a material distributing device, a label removing device, a color sorting device, a slitting device, a vibrating screen and a crusher;

the material distribution device is used for conveying plastic bottles to the label removing device; the label removing device is used for cutting off the labels on the plastic bottles, heating the cut labels and conveying the plastic bottles to the color sorting device; the color sorting device is used for sorting the plastic bottles through bottle cap color detection of the plastic bottles and separating labels on the plastic bottles from bottle bodies; the cutting device is used for cutting the plastic bottle which passes through the color sorting device into two halves; the vibrating screen is used for separating a bottle cap and an anti-theft ring of the cut plastic bottle from a bottle body; the pulverizer is used for respectively performing pulverizing operation on the label, the bottle body, the bottle cap and the anti-theft ring of the plastic bottle; the top of rubbing crusher has seted up the label feed inlet, the body feed inlet has been seted up at the middle part of rubbing crusher, the cover ring feed inlet has been seted up to the bottom of rubbing crusher.

The invention further discloses that the material distributing device comprises a material distributing shell, a material distributing rotor, a hopper and a first motor, wherein the material distributing shell is provided with a first feeding hole and a first discharging hole, the material distributing rotor is rotatably arranged in the material distributing shell, V-shaped grooves are uniformly distributed on the peripheral wall of the material distributing rotor, the hopper is arranged on the first feeding hole of the material distributing shell, the first motor is arranged on the side wall of the material distributing shell and is in transmission connection with one end of the material distributing rotor, and the first discharging hole is positioned above the label removing device.

The label removing device comprises a label removing groove, a first base plate, a heating plate, a friction belt, a second base plate and a label cutting mechanism, one end of the label removing groove is connected to a first discharge hole of the material distributing device, the label removing groove is obliquely arranged, the first base plate, the heating plate and the second base plate are sequentially arranged on the bottom of the label removing groove from top to bottom, the friction belt is rotatably arranged on the label removing groove and located above the first base plate and the heating plate, the label cutting mechanism is arranged on the bottom of the label removing groove and located between the first base plate and the heating plate, and the color sorting device is connected to the other end of the label removing groove.

The label cutting mechanism further comprises a cutting support, a second motor, belt wheels and a cutter belt, wherein an avoidance hole is formed in the label removing groove between the first base plate and the heating plate, the cutting support is fixed at the bottom of the label removing groove, the two belt wheels are connected to the cutting support in a rotating mode at intervals, parts of the two belt wheels penetrate through the avoidance hole, the cutter belt is wound on the two belt wheels, a plurality of cutter edges are uniformly distributed on the cutter belt, and the height of each cutter edge is higher than the upper surface of the heating plate.

The color sorting device further comprises a color selecting groove and a third base plate arranged on the bottom of the color selecting groove;

the color selecting groove is obliquely arranged, one end of the color selecting groove is connected with the other end of the label removing groove, a plurality of first through holes are arranged on one side wall of the color selecting groove at intervals, a label scraping ring is fixedly arranged in each first through hole, the bottom of the color selecting groove is provided with a feed opening corresponding to each first through hole one by one, the feed opening is correspondingly positioned right above the label feed opening, the other side wall of the color selecting groove is provided with a second through hole corresponding to each first through hole one by one, a material pushing rod movably penetrates through each second through hole, color sensors are arranged at the positions of the top of the color selecting groove corresponding to the first through holes one by one and the positions of the color selecting groove corresponding to the second through holes one by one, the top of the color selection groove is also provided with a first air cylinder corresponding to each material pushing rod one by one, and the first air cylinders are connected with the corresponding material pushing rods;

and a feeding rail is respectively arranged at the position, corresponding to each first through hole, of one side wall of the color selecting groove in a one-to-one manner, one end of each feeding rail is fixed at the position of the corresponding first through hole, and an elastic sheet is fixed at the other end of each feeding rail.

Furthermore, the cutting device comprises a cutting seat, a second cylinder, a cutting bracket, a cutter group, a third motor and a plurality of discharge chutes;

the cutting seat is arranged below the feeding tracks, the second air cylinder is arranged at one end of the cutting seat, the cutting support is fixed on the cutting seat, the cutter group is rotatably connected to the cutting support, the third motor is arranged on the cutting support, the output end of the third motor is in transmission connection with the cutter group, each feeding track in one-to-one correspondence on the cutting seat is respectively and slidably connected with a clamping and pushing assembly, and a plurality of discharge chutes in one-to-one correspondence on each feeding track are respectively arranged at the other end of the cutting seat;

each clamping and pushing assembly comprises a first sliding block, a second sliding block, a clamping push plate, a brake block, two clamping arms and two clamping blocks, the first sliding block is connected to the slitting seat in a sliding mode, the first sliding block is further connected with the output end of the second air cylinder, the second sliding block is connected to the slitting seat in a sliding mode and slides along the same linear direction with the first sliding block, one end of the clamping push plate is fixed to the first sliding block, a first strip-shaped hole is formed in the middle of the clamping push plate, a second strip-shaped hole is formed in the other end of the clamping push plate, a first clamping pin is arranged on the second sliding block in an upwards protruding mode, the first clamping pin is movably embedded in the first strip-shaped hole, the brake block is fixed to one side, away from the first sliding block, of the second sliding block, the two clamping arms are symmetrically arranged, one end of each clamping arm is hinged to the second sliding block, and a second clamping pin is convexly arranged at one end of each clamping arm, the second clamping pin is movably embedded in the second strip-shaped hole, and the two clamping blocks are fixed at the other ends of the two clamping arms in a one-to-one correspondence mode.

The vibrating screen further comprises a cover ring storage tank, a bottle body chute and a plurality of vibration generators, wherein the cover ring storage tank corresponds to the position of a cover ring feeding hole, each feeding rail of the cover ring storage tank is provided with a storage tank unit, the bottle body chute is arranged at the top of the cover ring storage tank and is positioned below a discharging groove, the bottle body chute corresponds to the position of the bottle body feeding hole, each feeding rail of the bottle body chute corresponds to a channel, the bottom surface of each channel is uniformly provided with a sieve mesh, and the plurality of vibration generators are uniformly distributed at two sides of the bottle body chute.

The invention has the beneficial effects that: according to the invention, after the plastic bottles sequentially pass through the material separating device, the label removing device, the color sorting device, the cutting device and the vibrating screen, the labels, the bottle caps and the anti-theft rings on the plastic bottles after color sorting are separated from the bottle bodies, so that the labels, the bottle caps, the anti-theft rings and the bottle bodies are respectively crushed, and the physical properties of the recycled plastics are improved.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of another aspect of the present invention;

FIG. 3 is a schematic cross-sectional view of a feed divider of the present invention;

FIG. 4 is an exploded view of the label removing device of the present invention;

FIG. 5 is a perspective view of the label cutting mechanism of the present invention;

FIG. 6 is a perspective view of the color sorting apparatus of the present invention;

figure 7 is a perspective view of the slitting device of the present invention;

FIG. 8 is a perspective view of the grip pusher assembly of the present invention;

FIG. 9 is a perspective view of the shaker of the present invention;

FIG. 10 is a schematic view of the shredder of the present invention;

description of reference numerals: 1. a material distributing device; 11. a material distributing shell; 12. a material distributing rotor; 13. a hopper; 14. a first motor; 2. a label removing device; 21. removing the mark groove; 22. a first backing plate; 23. heating plates; 24. a friction belt; 25. a second backing plate; 26. a label cutting mechanism; 261. cutting off the bracket; 262. a second motor; 263. a pulley; 264. a cutter band; 265. a cutting edge; 3. a color sorting device; 31. a color selection groove; 32. a third base plate; 33. scraping a label ring; 34. a material pushing rod; 35. a color sensor; 36. a first cylinder; 37. a feeding track; 38. a spring plate; 4. a slitting device; 41. a slitting seat; 42. a second cylinder; 43. cutting a bracket; 44. a cutter set; 45. a third motor; 46. a discharge chute; 47. clamping the pushing assembly; 471. a first slider; 472. a second slider; 473. clamping the push plate; 474. a brake pad; 475. a clamp arm; 476. a clamping block; 5. vibrating screen; 51. a cover ring storage tank; 52. a body chute; 53. a vibration generator; 6. a pulverizer; 61. a label feed port; 62. a bottle body feed inlet; 63. the cover ring is provided with a feed inlet.

Detailed Description

The invention will be described in further detail with reference to the following figures and specific examples, without limiting the scope of the invention.

As shown in fig. 1 to 10, the robot for efficiently decomposing and recycling plastic bottles of the present embodiment includes a material distributing device 1, a label removing device 2, a color sorting device 3, a cutting device 4, a vibrating screen 5 and a crusher 6;

the material distribution device 1 is used for conveying plastic bottles to the label removing device 2; the label removing device 2 is used for cutting off labels on the plastic bottles, heating the cut labels and conveying the plastic bottles to the color sorting device 3; the color sorting device 3 is used for sorting the plastic bottles through bottle cap color detection of the plastic bottles and separating labels on the plastic bottles from bottle bodies; the cutting device 4 is used for cutting the plastic bottle which passes through the color sorting device 3 into two halves; the vibrating screen 5 is used for separating a bottle cap and an anti-theft ring of the cut plastic bottle from a bottle body; the pulverizer 6 is used for respectively performing pulverizing operation on the label, the bottle body, the bottle cap and the anti-theft ring of the plastic bottle; the top of rubbing crusher 6 has seted up label feed inlet 61, the body feed inlet 62 has been seted up at the middle part of rubbing crusher 6, cover ring feed inlet 63 has been seted up to the bottom of rubbing crusher 6.

The working mode of the embodiment is as follows: when the plastic bottle label separating device works, the plastic bottles are placed in the separating device 1, the separating device 1 conveys the plastic bottles to the label separating device 2 one by one, the label separating device 2 firstly cuts off labels on the plastic bottles, then the cut labels are heated, so that the cut labels shrink, after the labels are heated, adhesive force of adhesive sticker adhesives on the adhesive part on the labels is reduced after the adhesive sticker adhesives are heated, then the plastic bottles are conveyed to the color separating device 3, the color separating device 3 detects the colors of bottle caps of the plastic bottles, then the plastic bottles are separated according to detection results, meanwhile, the labels on the plastic bottles are separated from bottle bodies, the separated labels enter the crusher 6 through the label feed port 61 for crushing treatment, then the separating device 4 separates the separated plastic bottles into two halves, the separated plastic bottles enter the vibrating screen 5, and the vibrating screen 5 enables the plastic bottles to vibrate, the bottle cap, the anti-theft ring and the bottle body are separated, the separated bottle cap and the separated anti-theft ring enter the crusher 6 through the cap ring feeding hole 63 for crushing treatment, and the separated bottle body enters the crusher 6 through the bottle body feeding hole 62 for crushing treatment.

This embodiment is through with the plastic bottle in proper order through feed divider 1, take off mark device 2, colour sorting unit 3, cut

device

4, 5 backs of shale shaker for label, bottle lid and the theftproof ring on the plastic bottle after the colour is selected separately all separate with the body, thereby realize carrying out shredding respectively to label, bottle lid and theftproof ring, body, do benefit to the physical properties that improves recovery plastics.

Based on the above embodiment, further, the material distributing device 1 includes a material distributing casing 11, a material distributing rotor 12, a hopper 13 and a first motor 14, the material distributing casing 11 has a first feeding port and a first discharging port, the material distributing rotor 12 is rotatably disposed in the material distributing casing 11, V-shaped grooves are uniformly distributed on the circumferential wall of the material distributing rotor 12, the hopper 13 is installed on the first feeding port of the material distributing casing 11, the first motor 14 is installed on the side wall of the material distributing casing 11 and is in transmission connection with one end of the material distributing rotor 12, and the first discharging port is located above the label removing device 2.

During actual use, the plastic bottles are poured into the hopper 13, the first motor 14 drives the distributing rotor 12 to rotate, the plastic bottles falling into the V-shaped groove of the distributing rotor 12 are conveyed to the first discharging hole by the distributing rotor 12 and fall onto the label removing device 2 from the first discharging hole, and therefore the plastic bottles are sequentially conveyed to the label removing device 2.

In this embodiment, the V-shaped groove is adapted to the inner wall of the dispensing housing 11, so that each plastic bottle can only be discharged from the first discharge opening in an inverted manner.

On the basis of above-mentioned embodiment, furtherly, it connects on feed divider 1's first discharge gate to take off mark device 2 including taking off mark groove 21, first backing plate 22, hot plate 23, friction band 24, second backing plate 25 and label shutdown mechanism 26 to take off mark device, take off the one end of mark groove 21, it sets up to take off the slope of mark groove 21, first backing plate 22, hot plate 23, second backing plate 25 from top to bottom set gradually on taking off mark groove 21's tank bottom, friction band 24 rotates and installs on taking off mark groove 21 and lie in the top of first backing plate 22 and hot plate 23, label shutdown mechanism 26 installs at the tank bottom of taking off mark groove 21 and between first backing plate 22 and hot plate 23, color sorting unit 3 is connected at the other end of taking off mark groove 21.

When the label removing device is actually used, the plastic bottle falls into the label removing groove 21 through the first discharge hole, the label removing groove 21 is obliquely arranged, the plastic bottle rolls downwards along the first backing plate 22, after the plastic bottle rolls to be in contact with the friction belt 24, the rotating friction belt 24 rolls the plastic bottle, the plastic bottle is pressed by the friction belt 24 to roll downwards, the label cutting mechanism 26 cuts off labels on the plastic bottle when the plastic bottle rolls to the joint between the first backing plate 22 and the heating plate 23, the plastic bottle continuously rolls downwards along with the plastic bottle, the plastic bottle enters the position between the friction belt 24 and the heating plate 23, the labels on the plastic bottle are in contact with the heating plate 23 and are heated and shrunk until the labels are completely shrunk to a sticky part, the adhesive force of the sticky adhesive part is reduced after the adhesive is heated until the plastic bottle rolls downwards to the second backing plate 25, and then the plastic bottle enters the color sorting device 3 along the second backing plate 25, therefore, the label on the plastic bottle is pretreated, and the subsequent separation operation of the label and the bottle body is facilitated.

On the basis of above-mentioned embodiment, furtherly, label cutting mechanism 26 is including cutting off support 261, second motor 262, band pulley 263 and cutter area 264, it dodges the hole to take off mark groove 21 and seted up between first backing plate 22 and hot plate 23, cut off the support 261 and fix the tank bottom of taking off mark groove 21, two band pulley 263 interval rotation is connected on cutting off support 261, two the part of band pulley 263 all runs through dodges the hole, cutter area 264 is around connecing on two band pulleys 263, the equipartition has a plurality of cutting edges 265 on the cutter area 264, cutting edges 265 highly is higher than the upper surface of hot plate 23.

In use, the second motor 262 drives the pulley 263 to rotate, and the pulley 263 drives the cutter belt 264 to rotate, so that when the plastic bottle passes through the joint between the heating plate 23 and the first backing plate 22, the cutter edge 265 of the cutter belt 264 is axially crossed along the plastic bottle, thereby cutting off the label on the surface of the plastic bottle.

Based on the above embodiment, further, the color sorting device 3 includes a color selection groove 31 and a third pad plate 32 disposed on the bottom of the color selection groove 31;

the color selecting groove 31 is obliquely arranged, one end of the color selecting groove 31 is connected with the other end of the label removing groove 21, a plurality of first through holes are arranged on one side wall of the color selecting groove 31 at intervals, a label scraping ring 33 is fixedly arranged in each first through hole, the bottom of the color selecting groove 31 is provided with a feed opening corresponding to each first through hole, the feed opening is correspondingly positioned right above the label feed opening 61, the other side wall of the color selecting groove 31 is respectively provided with a second through hole corresponding to each first through hole one by one, a material pushing rod 34 is movably penetrated in each second through hole, color sensors 35 are arranged at the top of the color selecting groove 31 in a one-to-one correspondence with the positions of the first through holes and in a one-to-one correspondence with the positions of the second through holes, the top of the color selecting tank 31 is also provided with a first air cylinder 36 corresponding to each material pushing rod 34 one by one, and the first air cylinders 36 are connected with the corresponding material pushing rods 34;

a feeding rail 37 is respectively disposed at a position, corresponding to each first through hole, of one side wall of the color selection groove 31, specifically, in this embodiment, the number of the feeding rails 37 is two, one end of each feeding rail 37 is fixed at the position of the corresponding first through hole, and an elastic sheet 38 is fixed at the other end of each feeding rail 37.

When the plastic bottle is actually used, the plastic bottle enters the color selecting groove 31 from the label removing groove 21 and rolls downwards along the third backing plate 32, when the plastic bottle rolls to correspond to the first through hole, the color sensor 35 corresponding to the first through hole detects the color of the bottle cap of the plastic bottle, if the color of the bottle cap corresponds to the current feeding track 37, the corresponding first air cylinder 36 drives the corresponding material pushing rod 34 to enable the plastic bottle to enter the corresponding feeding track 37 through the corresponding first through hole, and meanwhile, when the plastic bottle passes through the corresponding first through hole, the label contracted to the bottle body is separated from the bottle body under the scraping of the label scraping ring 33, falls into the label feeding hole 61 under the action of gravity and enters the crusher 6 for crushing treatment;

if the color of the bottle cap does not correspond to the current feeding track 37, the plastic bottle will roll downwards to correspond to the position of the next first through hole, and when the color of the bottle cap corresponds to the corresponding feeding track 37, the plastic bottle will enter the corresponding feeding track 37 under the pushing of the corresponding first air cylinder 36 and the material pushing rod 34; so realize the colour of plastic bottle and select separately, avoid different materials and the material of different colours to mix.

Based on the above embodiment, further, the slitting device 4 includes a slitting seat 41, a second cylinder 42, a slitting bracket 43, a cutter set 44, a third motor 45 and a plurality of discharge chutes 46;

the cutting seat 41 is arranged below the feeding rails 37, the second air cylinder 42 is installed at one end of the cutting seat 41, the cutting support 43 is fixed on the cutting seat 41, the cutter group 44 is rotatably connected to the cutting support 43, the third motor 45 is installed on the cutting support 43, the output end of the third motor 45 is in transmission connection with the cutter group 44, each feeding rail 37 corresponding to each cutting seat 41 one by one is respectively and slidably connected with a clamping and pushing assembly 47, and a plurality of discharge chutes 46 correspond to each feeding rail 37 one by one and are respectively arranged at the other end of the cutting seat 41;

each clamping and pushing assembly 47 comprises a first sliding block 471, a second sliding block 472, a clamping push plate 473, a brake block 474, two clamping arms 475 and two clamping blocks 476, the first sliding block 471 is slidably connected to the slitting seat 41, the first sliding block 471 is further connected to the output end of the second air cylinder 42, the second sliding block 472 is slidably connected to the slitting seat 41 and slides along the same linear direction with the first sliding block 471, one end of the clamping push plate 473 is fixed on the first sliding block 471, the middle part of the clamping push plate 473 is provided with a first strip-shaped hole, the other end of the clamping push plate 473 is provided with a second strip-shaped hole, the second sliding block 472 is convexly provided with a first clamping pin, the first clamping pin is movably embedded in the first strip-shaped hole, the brake block 474 is fixed on one side of the second sliding block 472 far away from the first sliding block 471, the two clamping arms 475 are symmetrically arranged, one end of each clamping arm 475 is hinged to the second sliding block 472, a second clamping pin is convexly arranged at one end of each clamping arm 475, the second clamping pins are movably embedded in the second strip-shaped holes, and the two clamping blocks 476 are fixed at the other ends of the two clamping arms 475 in a one-to-one correspondence manner.

In practical use, after a plastic bottle enters the feeding track 37, the third motor 45 drives the cutter set 44 to rotate, the second cylinder 42 pushes the first sliding block 471 to slide, the first sliding block 471 pushes the two clamping arms 475 to swing through the clamping push plate 473, resistance exists when the second sliding block 472 slides due to the brake block 474, so that relative motion is generated between the first clamping pin and the first strip-shaped hole, the two clamping arms 475 are driven by the clamping push plate 473 to drive the clamping block 476 to clamp the plastic bottle through the cooperation of the second clamping pin and the second strip-shaped hole until the clamping is completed when the first clamping pin abuts against the end wall of the first strip-shaped hole, then the first sliding block 471 pushes the second sliding block 472 to slide against the resistance of the brake block 474 through the clamping push plate 473, the second sliding block 472 drives the two clamping arms 475 to move, so as to drive the plastic bottle to move out of the feeding track 37 and move towards the direction of the cutter set 44 to contact with the cutter set 44, therefore, the plastic bottle is cut into two halves under the action of the cutter set 44, when the second sliding block 472 slides to the end position of the other end of the cutting seat 41, the plastic bottle is completely cut, at the moment, the second cylinder 42 drives the first sliding block 471 to reset, at the moment, the first sliding block 471 drives the two clamping arms 475 to swing back through the clamping push plate 473, so as to drive the two clamping blocks 476 to loosen the cut plastic bottle, the cut plastic bottle drops onto the corresponding discharge groove 46 under the action of gravity, then drops onto the vibrating screen 5 along the corresponding discharge groove 46, so as to complete the cutting of the plastic bottle, so that the subsequent separation operation of the bottle cap, the anti-theft ring and the bottle body is facilitated, meanwhile, the second cylinder 42 drives the second sliding block 472 to reset to the initial position through the first sliding block 471 and the clamping push plate 473, so as to cut the next plastic bottle.

On the basis of the above embodiment, further, the vibrating screen 5 includes a cover ring storage tank 51, a bottle body chute 52 and a plurality of vibration generators 53, the cover ring storage tank 51 corresponds to the cover ring feed port 63, each feeding track 37 of the cover ring storage tank 51 is provided with a storage tank unit, the bottle body chute 52 is arranged at the top of the cover ring storage tank 51 and is located below the discharge chute 46, the bottle body chute 52 corresponds to the bottle body feed port 62, each feeding track 37 of the bottle body chute 52 corresponds to one is provided with a channel, the bottom surface of each channel is uniformly provided with a sieve mesh, and the vibration generators 53 are uniformly distributed on two sides of the bottle body chute 52.

During actual use, the cut plastic bottles fall into corresponding channels on the bottle body chute 52 through the discharge chute 46, then each vibration generator 53 enables the bottle body chute 52 to vibrate, the bottle caps and the anti-theft rings with smaller volumes are separated from the bottle bodies respectively, fall into corresponding storage tank units on the cover ring storage tank 51 from the sieve holes, then enter the cover ring feed inlet 63 along the corresponding storage tank units for crushing treatment, and the separated bottle bodies enter the bottle body feed inlet 62 along the corresponding channels for crushing treatment; thus, the bottle body, the bottle cap and the anti-theft ring are separated, crushed and recycled, and the physical performance of recycled plastics is improved.

The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present patent application are included in the protection scope of the present patent application.

Claims

1. The robot for efficiently decomposing and recycling the plastic bottles is characterized by comprising a material distributing device (1), a label removing device (2), a color sorting device (3), a splitting device (4), a vibrating screen (5) and a crusher (6);

the material distribution device (1) is used for conveying plastic bottles to the label removing device (2); the label removing device (2) is used for cutting off labels on the plastic bottles, heating the cut labels and conveying the plastic bottles to the color sorting device (3); the color sorting device (3) is used for sorting the plastic bottles through bottle cap color detection of the plastic bottles and separating labels on the plastic bottles from bottle bodies; the cutting device (4) is used for cutting the plastic bottle which passes through the color sorting device (3) into two halves; the vibrating screen (5) is used for separating a bottle cap and an anti-theft ring of the cut plastic bottle from a bottle body; the pulverizer (6) is used for respectively performing pulverizing operation on the label, the bottle body, the bottle cap and the anti-theft ring of the plastic bottle; the label feed inlet (61) has been seted up at the top of rubbing crusher (6), body feed inlet (62) has been seted up at the middle part of rubbing crusher (6), cover ring feed inlet (63) has been seted up to the bottom of rubbing crusher (6).

2. The efficient plastic bottle decomposition and recovery robot according to claim 1, wherein the distributing device (1) comprises a distributing housing (11), a distributing rotor (12), a hopper (13) and a first motor (14), the distributing housing (11) has a first feeding port and a first discharging port, the distributing rotor (12) is rotatably disposed in the distributing housing (11), V-shaped grooves are uniformly distributed on the circumferential wall of the distributing rotor (12), the hopper (13) is mounted on the first feeding port of the distributing housing (11), the first motor (14) is mounted on the side wall of the distributing housing (11) and is in transmission connection with one end of the distributing rotor (12), and the first discharging port is located above the label removing device (2).

3. The efficient plastic bottle decomposition and recovery robot according to claim 1, wherein the label removing device (2) comprises a label removing groove (21), a first cushion plate (22), a heating plate (23), a friction belt (24), a second cushion plate (25) and a label cutting mechanism (26), one end of the label removing groove (21) is connected to a first discharge port of the material distributing device (1), the label removing groove (21) is obliquely arranged, the first cushion plate (22), the heating plate (23) and the second cushion plate (25) are sequentially arranged on the groove bottom of the label removing groove (21) from top to bottom, the friction belt (24) is rotatably arranged on the label removing groove (21) and located above the first cushion plate (22) and the heating plate (23), the label cutting mechanism (26) is arranged on the groove bottom of the label removing groove (21) and is arranged between the first cushion plate (22) and the heating plate (23), the color sorting device (3) is connected to the other end of the label removing groove (21).

4. The robot for efficiently decomposing and recycling the plastic bottles according to claim 3, wherein the label cutting mechanism (26) comprises a cutting support (261), a second motor (262), belt wheels (263) and a cutter belt (264), the label removing groove (21) is provided with an avoiding hole between the first base plate (22) and the heating plate (23), the cutting support (261) is fixed at the bottom of the label removing groove (21), the two belt wheels (263) are connected to the cutting support (261) in a rotating mode at intervals, the parts of the two belt wheels (263) penetrate through the avoiding hole, the cutter belt (264) is wound on the two belt wheels (263), the cutter belt (264) is uniformly provided with a plurality of cutter edges (265), and the height of the cutter edges (265) is higher than the upper surface of the heating plate (23).

5. The robot for efficiently decomposing and recycling plastic bottles according to claim 3, wherein said color sorting means (3) comprises a color selecting tank (31) and a third pad (32) disposed on the bottom of the color selecting tank (31);

the color selecting groove (31) is obliquely arranged, one end of the color selecting groove (31) is connected to the other end of the label removing groove (21), a plurality of first through holes are formed in a side wall of the color selecting groove (31) at intervals, a label scraping ring (33) is fixedly installed in each first through hole, a blanking opening is formed in the position, corresponding to each first through hole, of the bottom of the color selecting groove (31) in a one-to-one correspondence mode, is located right above the label feeding opening (61) in a corresponding mode, a second through hole is formed in the other side wall of the color selecting groove (31) in a one-to-one correspondence mode, is formed in each first through hole in a corresponding mode, a material pushing rod (34) penetrates through each second through hole in a movable mode, color sensors (35) are arranged in the positions, corresponding to each first through hole in a one-to one correspondence mode, and in the positions, corresponding to each second through hole in a one to one mode, first air cylinders (36) are installed in the tops of the color selecting groove (31) in a one-to one correspondence mode, the first air cylinder (36) is connected with the corresponding material pushing rod (34);

a feeding rail (37) is arranged at the position, corresponding to each first through hole, of one side wall of the color selecting groove (31) one by one, one end of each feeding rail (37) is fixed at the position of each first through hole, and an elastic sheet (38) is fixed at the other end of each feeding rail (37).

6. The robot for efficiently decomposing and recycling the plastic bottles according to claim 1, wherein the cutting device (4) comprises a cutting seat (41), a second air cylinder (42), a cutting bracket (43), a cutter set (44), a third motor (45) and a plurality of discharge chutes (46);

the cutting seat (41) is arranged below the feeding tracks (37), the second air cylinder (42) is arranged at one end of the cutting seat (41), the cutting support (43) is fixed on the cutting seat (41), the cutter group (44) is rotatably connected onto the cutting support (43), the third motor (45) is arranged on the cutting support (43), the output end of the third motor (45) is in transmission connection with the cutter group (44), each feeding track (37) in one-to-one correspondence on the cutting seat (41) is respectively and slidably connected with a clamping and pushing assembly (47), and the discharging grooves (46) are arranged at the other end of the cutting seat (41) respectively corresponding to each feeding track (37);

each clamping and pushing assembly (47) comprises a first sliding block (471), a second sliding block (472), a clamping push plate (473), a brake block (474), two clamping arms (475) and two clamping blocks (476), wherein the first sliding block (471) is connected to the slitting seat (41) in a sliding manner, the first sliding block (471) is further connected with the output end of the second air cylinder (42), the second sliding block (472) is connected to the slitting seat (41) in a sliding manner and slides along the same linear direction with the first sliding block (471), one end of the clamping push plate (473) is fixed on the first sliding block (471), a first strip-shaped hole is formed in the middle of the clamping push plate (473), a second strip-shaped hole is formed in the other end of the clamping push plate (473), a first clamping pin is arranged on the second sliding block (472) in a protruding manner, the first clamping pin is movably embedded in the first strip-shaped hole, and the brake block (474) is fixed on one side, away from the first sliding block (471), of the second sliding block (472), two the centre gripping arm (475) symmetry sets up, the one end of centre gripping arm (475) articulates on second slider (472), the protruding second bayonet lock that is equipped with of one end of centre gripping arm (475), the activity of second bayonet lock is inlayed and is located the second bar downthehole, two the other end at two centre gripping arm (475) is fixed to grip block (476) one-to-one.

7. The robot for efficiently decomposing and recycling the plastic bottles according to claim 1, wherein the vibrating screen (5) comprises a cover ring storage tank (51), a bottle body chute (52) and a plurality of vibration generators (53), the cover ring storage tank (51) corresponds to the position of a cover ring feeding port (63), each feeding track (37) of the cover ring storage tank (51) is provided with a storage tank unit, the bottle body chute (52) is arranged at the top of the cover ring storage tank (51) and is positioned below the discharging groove (46), the bottle body chute (52) corresponds to the position of the bottle body feeding port (62), the bottle body chute (52) corresponds to each feeding track (37) and is provided with a channel, the bottom surface of each channel is uniformly provided with a sieve mesh, and the plurality of vibration generators (53) are uniformly distributed at two sides of the bottle body chute (52).

8. The plastic bottle recycling method using the plastic bottle efficient decomposition recycling robot is characterized by comprising the following steps:

s100: placing the plastic bottles in a material distributing device (1), and conveying the plastic bottles to a label removing device (2) one by the material distributing device (1);

the label removing device (2) firstly cuts off the label on the plastic bottle, then heats the cut label to shrink the cut label, and simultaneously, after the label is heated, the adhesive force of the adhesive sticker adhesive on the adhesive part of the label is reduced after the adhesive sticker adhesive is heated, and then the plastic bottle is conveyed to the color sorting device (3);

the color sorting device (3) detects the bottle cap color of the plastic bottle, then sorts the plastic bottle according to the detection result, and simultaneously separates the label on the plastic bottle from the bottle body, and the separated label enters the crusher (6) through the label feed port (61) for crushing treatment;

then the separated plastic bottles are cut into two halves by a cutting device (4), and the cut plastic bottles enter a vibrating screen (5);

the vibrating screen (5) enables the plastic bottle to vibrate, the bottle cap and the anti-theft ring are separated from the bottle body, the separated bottle cap and the separated anti-theft ring enter the crusher (6) through the cap ring feeding hole (63) to be crushed, and the separated bottle body enters the crusher (6) through the bottle body feeding hole (62) to be crushed.