CN114770814B

CN114770814B - Broken processing apparatus of waste plastic bottle

Info

Publication number: CN114770814B
Application number: CN202210550635.3A
Authority: CN
Inventors: 徐金娇; 方冉; 武婷; 汪加玉
Original assignee: Anhui Wanyou New Material Co ltd
Current assignee: Anhui Wanyou New Material Co ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2024-02-27
Anticipated expiration: 2042-05-18
Also published as: CN114770814A

Abstract

The invention discloses a waste plastic bottle crushing treatment device which comprises a feeding conveyor belt, a first-stage crusher, a second-stage crusher and a discharging conveyor belt, wherein a plurality of vertical plates perpendicular to a belt body are uniformly distributed on the conveying belt in the feeding conveyor belt, a feeding hopper with an upper end opened and a lower end contracted is arranged above the first-stage crusher, the tail end of the feeding conveyor belt is communicated to the upper part of the feeding hopper, a material distributing box is arranged above the second-stage crusher, the material distributing box is arranged right below the discharging end of the first-stage crusher, the material feeding end of the discharging conveyor belt is connected with the discharging end of the second-stage crusher, a base is arranged below the second-stage crusher, a power distribution cabinet is arranged behind the first-stage crusher and the second-stage crusher, and a control panel is arranged in the power distribution cabinet.

Description

Broken processing apparatus of waste plastic bottle

Technical Field

The invention relates to the technical field of waste plastic bottle treatment, in particular to a waste plastic bottle crushing treatment device.

Background

Since the popularization of plastics, the plastic is fast spread to all corners of life by virtue of the advantages of firmness, portability, low cost and the like, and the whole automobile made of plastic parts is lighter and has lower fuel consumption; the preservation time of the products packaged by the plastic is prolonged, and the deterioration waste can be greatly reduced; milk bottles made of plastic are lighter and less fragile than glass bottles. However, this convenience for human benefit brings a great disaster to ecology. Over the past 60 years, a total of about 83 million tons of plastic products have been produced worldwide, with about 63 tons having become plastic waste, and only about 9% being recycled. Most plastic waste is landfilled or so-called "natural", where there are about 800 tens of thousands of tons per year of plastic that alone enters the ocean. According to the statistics of the relevant people, by 2050, the total weight of plastic in the ocean would probably exceed that of fish.

The physical recycling route of the waste plastic bottles can be divided into two approximately, firstly, the waste plastic bottles are cut into pieces, HDPE, aluminum, paper and adhesive are separated from the pieces, and the plastic pieces are washed, dried and granulated; firstly, separating impurities such as bottle caps, base bottoms, labels and the like with inconsistent components on the waste plastic bottles by using a mechanical method, and then washing, crushing and granulating. No matter which route is, the process of crushing is not avoided, the influence of the working principle of the crusher is avoided, the phenomenon that the discharging of fragments is unsmooth and a large amount of accumulation is easy to occur in the process of discharging the fragments by the existing part of crushers, the problem that the sorting steps in the first process route are effectively developed is influenced, and meanwhile, a large number of crushers are also needed to be enhanced in crushing effect.

Disclosure of Invention

The invention aims at: provides a waste plastic bottle crushing treatment device to solve the defects.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a broken processing apparatus of waste plastic bottle, includes material loading conveyer belt, one-level breaker, secondary crusher, ejection of compact conveyer belt, the equipartition has the riser of a plurality of perpendicular to area body on the conveyer belt in the material loading conveyer belt, the top of one-level breaker is equipped with the open feeder hopper of lower extreme shrink in upper end, the end intercommunication of material loading conveyer belt is to the top of feeder hopper, the top of secondary crusher is equipped with the branch workbin, the branch workbin sets up under the one-level breaker discharge end, the material loading end of ejection of compact conveyer belt links to each other with the discharge end of secondary crusher, the below of secondary crusher is equipped with the base, the rear of one-level breaker and secondary crusher is equipped with the switch board, be equipped with control panel in the switch board.

Preferably, the dust cover is arranged above the feeding hopper, four directions right above the feeding hopper are all covered by the dust cover, and the feeding conveyor belt extends into the dust cover and the feeding hopper from the side, which is not covered by the dust cover, above the feeding hopper.

Preferably, the primary crusher comprises an outer wall, two rows of parallel-arranged twisting shafts are arranged in the outer wall, the twisting shafts are fixedly connected with the outer wall through bearings in a rotating mode, two twisting shafts are arranged on the twisting shafts at intervals, the twisting shafts are disc-shaped, a plurality of water-drop-shaped twisting knife edges are arranged on the circumferential surface of each twisting shaft at intervals, a first motor box is arranged beside the outer wall of the primary crusher, one end of each twisting shaft extends out of the outer wall and extends into the first motor box all the time, a motor and a reduction gear set are arranged in the first motor box, the twisting shafts are connected with the output end of the reduction gear set, the motor is electrically connected with a control panel, and four supporting beams penetrating through the outer wall are arranged on the outer wall of the primary crusher.

Preferably, a triangular protruding material distributing ridge is arranged in the middle of the inside of the material distributing box, two sides of the material distributing ridge are provided with material inlets, and the two material inlets are communicated to the secondary crusher.

Preferably, two the below of pan feeding mouth all inclines to be equipped with a first stock guide, be equipped with two stock guide swash plates on the first stock guide perpendicularly, it has two trompils that are parallel to each other to open on the face of first stock guide, the below of first stock guide is fixed with a axle fixing base, be provided with a rotatable (mixing) shaft in the axle fixing base, be equipped with two stirring heads on the (mixing) shaft, the stirring head is the star, the stirring head stretches to the top of first stock guide through the trompil, the below of (mixing) shaft is equipped with the second stock guide that is parallel to each other with first stock guide, is located two pan feeding mouth below respectively first stock guide and second stock guide's end all are equipped with a grinding wheel, the side of second crusher is equipped with the second motor case, be equipped with motor group and gear train in the second motor case, the (mixing) shaft extends to in the second motor case and with the output of gear train is connected, the control panel is connected with the output of two gear train, two side-to-side air cylinder connection, two side wall connection groove V-shaped push rod body, two side-to-side connection is equipped with the cylinder seat, two side-to-side connection groove V.

Preferably, an annular material passing groove is formed in the middle position of the circumferential surface of the material grinding wheel, a plurality of square groove-shaped material grinding edges are uniformly formed in the wheel bodies of the material grinding wheels at two ends of the material passing groove, a wheel shaft is arranged in the middle of the material grinding wheel, and the wheel shaft is connected to the second motor case.

Preferably, the box bodies of the material distribution boxes above the two material inlets are hinged with material cleaning cover plates, and the material cleaning cover plates are provided with handles.

Preferably, the material loading end of ejection of compact conveyer belt is equipped with the striker device, the striker device includes striker plate, keeps off the material seat, the cross-section that keeps off the material seat is triangle-shaped, it is U font distribution each other to keep off the material seat to be equipped with three and three fender material seat, ejection of compact conveyer belt includes drive unit and the supporting shell that is located drive unit both ends, and two fender material seats that are parallel to each other in the three fender material seats are all fixed on the supporting shell, the striker plate is provided with three, three the striker plate install respectively on three fender material seats, drive unit includes conveyer belt, driving roller, roller seat evenly arranged is on the internal surface of two supporting shells, the driving roller sets up between two roller seats of relative setting, the driving roller is equipped with a plurality of between two supporting seats horizontally, the conveyer belt twines on the surface of a plurality of driving rollers, wherein install the conveyer belt motor on the roller seat, the output and the driving roller of conveyer belt motor link to each other.

Preferably, a plurality of roller beams are uniformly arranged between the two supporting shells, two roller seats are fixed on the upper surfaces of the roller beams side by side, rotating shafts are arranged on the two roller seats, oblique rollers are arranged on the rotating shafts, two oblique rollers respectively arranged on the two roller seats form an included angle with each other, the conveying belt is covered on the two oblique rollers, and the section of the conveying belt is enabled to be V-shaped under the action of the two oblique rollers.

The invention has the beneficial effects that:

the invention discloses a waste plastic bottle crushing treatment device, which aims at the problems of unsatisfactory crushing effect and inconvenient sorting of the prior most crushers, a secondary crusher with grinding and distributing functions is added below the prior primary crusher, so that efficient crushing process and stacking work of waste plastic bottles are realized, plastic fragment particles are thinned, crushing quality is improved, a dust cover is arranged above a feed hopper of the primary crusher, the problem that the fragments in the primary crusher splash out in the crushing process, waste or meaningless repeated feeding operation is avoided, a material receiving seat is added on the secondary crusher, the crushed plastic fragments are temporarily gathered, the accumulated amount reaches a certain extent, and then pushed out to a discharge conveyor belt by a push rod, thereby completing the stacking operation of the plastic fragments, facilitating the proceeding of a subsequent process, arranging an inclined roller in the discharge conveyor belt, enabling a flat conveying surface to be a V-shaped conveying surface, effectively improving the conveying capability of the conveying belt to tiny particles, preventing the material from jumping out in the conveying process, ensuring that the material has the characteristics of reasonable overall design, good crushing effect, good and high efficiency, and the like, and is capable of recycling waste plastic.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1: the structure of the invention is schematically shown;

fig. 2: the power distribution cabinet structure schematic diagram of the invention;

fig. 3: the primary crusher is structurally schematic;

fig. 4: the material distributing ridge structure of the invention is schematically shown;

fig. 5: the feed inlet structure of the invention is schematically shown;

fig. 6: the pressure bar cylinder structure of the invention is schematically shown;

fig. 7: the stirring shaft structure of the invention is schematically shown;

fig. 8: the discharging conveyor belt structure of the invention is schematically shown;

reference numerals illustrate:

1. a feeding conveyor belt; 2. a primary crusher; 21. a feed hopper; 22. a twisting wheel; 221. a cutter edge; 222. a twisting shaft; 23. a support beam; 24. a first motor case; 25. a dust cover; 3. a secondary crusher; 31. a material dividing box; 311. a material dividing ridge; 312. a feed inlet; 32. a second motor case; 33. a first guide plate; 331. opening holes; 332. a material guiding sloping plate; 34. a second guide plate; 341. a stirring shaft; 342. a shaft fixing seat; 35. a stirring head; 36. a grinding wheel; 361. grinding a material knife edge; 362. a material passing groove; 37. a receiving seat; 371. a push rod; 39. a material cleaning cover plate; 4. a discharge conveyor belt; 41. a material blocking device; 411. a striker plate; 412. a material blocking seat; 42. a conveyor belt; 43. a driving roller; 44. a roller seat; 45. a roller beam; 451. a drum seat; 452. a skew roller; 5. a base; 6. a power distribution cabinet.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that, in the embodiments of the present invention, terms such as "radial," "axial," "upper," "lower," "inner," "outer," "front," "rear," "left," "right," "middle," and the like indicate terms of direction or positional relationship based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the devices or elements must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In addition, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "configured," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements.

As shown in fig. 1-8, a waste plastic bottle crushing treatment device comprises a feeding conveyor belt 1, a primary crusher 2, a secondary crusher 3 and a discharging conveyor belt 4, wherein a plurality of vertical plates perpendicular to a belt body are uniformly distributed on a conveying belt in the feeding conveyor belt 1, the existence of the vertical plates can endow the feeding conveyor belt 1 with climbing capability, the feeding conveyor belt 1 is controlled to start and stop by a separate control system, a feeding hopper 21 with an open upper end and a contracted lower end is arranged above the primary crusher 2 and is used for gathering feeding, the tail end of the feeding conveyor belt 1 is communicated to the upper part of the feeding hopper 21, a dust cover 25 is arranged above the feeding hopper 21, the dust cover 25 fully covers four mutually adjacent directions right above the feeding hopper 21, one surface of the feeding conveyor belt 1, which is not covered by the dust cover 25, extends into the inside of the dust cover 25 from the upper part of the feeding hopper 21, and more importantly, the dust cover 25 is used for preventing waste plastic, which is not only from jumping out of the feeding hopper 21 in the crushing process, so that the work load of operators is increased.

The first-stage crusher 2 comprises an outer wall, two rows of parallel-arranged winch shafts 222 are arranged in the outer wall, the winch shafts 222 are fixedly connected with the outer wall through bearings in a rotating mode, a plurality of winch wheels 22 are arranged on the two winch shafts 222 at intervals, the winch wheels 22 are disc-shaped, a plurality of water-drop-shaped winch blades 221 are arranged on the circumferential surface of each winch wheel 22 at intervals, the number of winch blades 221 is larger, the thickness of each winch wheel 22 is smaller, the size of the twisted plastic fragments is smaller, a first motor box 24 is arranged beside the outer wall of the first-stage crusher 2, one end of each winch shaft 222 extends out of the outer wall and extends into the first motor box 24 all the way, a motor and a speed reducing gear set are arranged in the first motor box 24, the winch shafts 222 are connected with the output end of the speed reducing gear set, the winch shafts 222 drive the winch wheels 22 to rotate, the winch wheels 22 can finish cutting of plastic bottles at the same time, four supporting beams 23 penetrating through the outer wall are arranged on the outer wall of the crusher 2, and the supporting beams 23 extend into the first motor box 24 at the rear side, and the waste crusher 2 is used for fixing the first-stage crusher 2.

The top of second grade breaker 3 is equipped with branch workbin 31, divide workbin 31 setting under the discharge end of first grade breaker 2, the broken plastics piece of cutting by first grade breaker 2 can directly arrange branch workbin 31 in from first grade breaker 2, the middle of branch workbin 31 inside is equipped with the protruding form of triangle-shaped branch material ridge 311, the both sides of branch material ridge 311 all are equipped with pan feeding mouth 312, two pan feeding mouths 312 all communicate to second grade breaker 3, after the plastics piece got into branch workbin 31, can divide naturally to two pan feeding mouths 312 under the effect of branch material ridge 311, thereby alleviate the feed pressure of single pan feeding mouth 312, all articulate on the box of branch workbin 31 of two pan feeding mouths 312 has clear material apron 39, be equipped with the handle on the clear material apron 39, when the putty problem takes place in branch workbin 31 or in the second grade breaker 3, all accessible opens the smooth material apron 39 and clears up work.

The lower part of two pan feeding mouths 312 all inclines to be equipped with a first stock guide 33, be equipped with two guide swash plates 332 perpendicularly on the first stock guide 33, it has two trompils 331 that are parallel to each other to open on the face of first stock guide 33, the below of second stock guide 33 is fixed with a fixed axle seat 342, be provided with a rotatable (mixing) shaft 341 in the fixed axle seat 324, be equipped with two stirring heads 35 on the (mixing) shaft 341, stirring head 35 is the star, stirring head 35 stretches to the top of first stock guide 33 through trompil 331, the below of stirring shaft 341 is equipped with the second stock guide 34 that is mutually parallel with first stock guide 33, the end that is located two pan feeding mouths 33 and second stock guide 34 respectively all is equipped with a grinding wheel 36, the side of second motor case 32 is equipped with, be equipped with motor group and gear train in the second motor case 32, stirring shaft 341 extends to and links to each other with the output of gear train, the stirring head 35 is the star, the stirring head 35 is equipped with the second stock guide 33 through trompil, the second stock guide 33, can fall into the tip in order to the hole of the first stock guide 33, the tip can be realized in order to the tip of the second stock guide 33, the tip of second stock guide 34 is more than the tip is equipped with a grinding wheel 36, the tip of second stock guide 33, the tip of second stock guide 34 can be, the tip can be simultaneously fallen into the tip of the second stock guide 35, the tip can be, the tip of the second stock guide is simultaneously, and the tip of the second stock guide is can is equipped with a piece, and the second stock guide 35, and the piece is can is simultaneously.

The middle position of the circumference of the grinding wheel 36 is provided with an annular passing groove 362, the wheel bodies of the grinding wheels 36 at two ends of the passing groove 362 are uniformly provided with a plurality of square groove-shaped grinding edges 361, the middle of the grinding wheel 36 is provided with a wheel shaft, the wheel shaft is connected into the second motor box 32 and connected with a motor group, the motor group drives the grinding wheel 36 to rotate, the passing groove 362 can enable plastic fragments with a proper size to directly fall from the groove, the plastic fragments with a proper size can be further reduced under the action of the grinding edges 361, a receiving seat 37 is arranged at the position right below the middle of the two grinding wheels 36, two V-shaped grooves are formed in the receiving seat 37, the two V-shaped grooves penetrate through the side walls of the receiving seat 37, the rear end of the rod body of the pushing rod 371 is connected into the second motor box 32 and pushed by a cylinder, the cylinder is connected with an external air source, a sensor is arranged on the pushing rod 371, when the plastic fragments in the receiving seat 37 are accumulated to a specified height, the sensor is triggered by the plastic fragments in the receiving seat 37, the sensor is connected with the corresponding electromagnetic valve, and the working instruction is controlled by the electromagnetic valve to start to push the plastic fragments to work, and the plastic fragments are discharged from the working seat is controlled to be opened, and the working position of the corresponding plastic fragments are correspondingly started to be discharged.

The material loading end of ejection of compact conveyer belt 4 links to each other with the ejection of compact end of secondary crusher 3, the material loading end of ejection of compact conveyer belt 4 is equipped with stop device 41, stop device 41 includes striker plate 411, stop material seat 412, the cross-section of stop material seat 412 is triangle-shaped, stop material seat 412 is equipped with three and three stop material seat 412 are U font distribution each other, ejection of compact conveyer belt 4 includes the drive part and is located the supporting shell at drive part both ends, two stop material seats 412 that are parallel to each other in the three stop material seat 412 are all fixed on the supporting shell, striker plate 411 is provided with three, three striker plates are installed respectively on three stop material seat 412, because there is the difference in height between secondary crusher 3 and the ejection of compact conveyer belt 4, consequently, set up stop device 41 can prevent that plastics piece from bump and jumping with the drive part of ejection of compact conveyer belt 4 in the whereabouts in-process.

The transmission part comprises a conveying belt 42, a transmission roller 43 and roller seats 44, wherein the roller seats 44 are uniformly arranged on the inner surfaces of two supporting shells, the transmission roller 43 is arranged between the two roller seats 44 which are oppositely arranged, a plurality of transmission rollers 43 are horizontally arranged between the two supporting shells, the conveying belt 42 is wound on the outer surfaces of the plurality of transmission rollers 43, a conveying belt motor is arranged on one roller seat 44, the output end of the conveying belt motor is connected with the transmission roller 43, a plurality of roller beams 45 are uniformly arranged between the two supporting shells, two roller seats 451 are fixed on the upper surfaces of the roller beams 45 side by side, rotating shafts are respectively arranged on the two roller seats 451, inclined rollers 452 are respectively arranged on the two inclined rollers 452 which are mutually included, the conveying belt 42 covers the two inclined rollers 452, the section of the conveying belt 42 is enabled to be V-shaped under the action of the two inclined rollers 452, and the V-shaped conveying belt 42 can effectively ensure that plastic fragments above the conveying belt 42 cannot move out of the range of the conveying belt 42 in the conveying process.

The below of second grade breaker 3 is equipped with base 5, and the rear of first order breaker 2 and second grade breaker 3 is equipped with switch board 6, and first motor case 24, second motor case 32 all set up in switch board 6, still are equipped with control panel in the switch board 6 simultaneously, and motor in first motor case 24, motor group and the conveyer belt motor in second motor case 32 all link to each other with the control panel electricity to by the start and stop of control panel control.

While the invention has been described above with reference to the accompanying drawings, it will be apparent that the invention is not limited to the above embodiments, but is also within the scope of the invention if the inventive concept and technical scheme is not substantially modified or applied directly to other occasions without modification.

Claims

1. The utility model provides a broken processing apparatus of waste plastic bottle, its characterized in that includes material loading conveyer belt (1), one-level breaker (2), secondary breaker (3), ejection of compact conveyer belt (4), the equipartition has a plurality of riser of perpendicular to the area body on the conveyer belt in material loading conveyer belt (1), the top of one-level breaker (2) is equipped with feed hopper (21) that the upper end is uncovered lower extreme shrink, the end of material loading conveyer belt (1) communicates to the top of feed hopper (21), the top of secondary breaker (3) is equipped with branch workbin (31), divide workbin (31) to set up under the discharge end of one-level breaker (2), the material loading end of ejection of compact conveyer belt (4) links to each other with the discharge end of secondary breaker (3), the below of secondary breaker (3) is equipped with base (5), the rear of one-level breaker (2) and secondary breaker (3) is equipped with switch board (6), be equipped with control panel in switch board (6);

a triangular protruding material distributing ridge (311) is arranged in the middle of the inside of the material distributing box (31), material inlets (312) are formed in two sides of the material distributing ridge (311), and the two material inlets (312) are communicated to the secondary crusher (3);

two first guide plates (33) are obliquely arranged below the two feed inlets (312), two guide inclined plates (332) are vertically arranged on the first guide plates (33), two mutually parallel holes (331) are formed in the plate surface of each first guide plate (33), a shaft fixing seat (342) is fixedly arranged below each first guide plate (33), a rotatable stirring shaft (341) is arranged in each shaft fixing seat (342), two stirring heads (35) are arranged on each stirring shaft (341), each stirring head (35) is star-shaped, each stirring head (35) extends to the upper side of each first guide plate (33) through each hole (331), a second guide plate (34) which is mutually parallel to each first guide plate (33) is arranged below each stirring shaft (341), a crushing wheel set (36) is arranged at the tail ends of each first guide plate (33) and each second guide plate (34) below each two feed inlets (312), a motor set (36) is arranged at the tail ends of each crushing wheel set, the motor set (36) is arranged at the lower end of each motor set (32) and connected with a motor set (32), the motor set (32) is connected to the motor set (32), two V-shaped grooves are formed in the material receiving seat (37), the two V-shaped grooves penetrate through the side wall of the material receiving seat (37), a double-V-shaped push rod (371) is arranged on the material receiving seat (37), the rear end of a rod body of the push rod (371) is connected into the second motor box (32) and pushed by a cylinder, and the cylinder is connected with an external air source;

an annular material passing groove (362) is formed in the middle position of the circumferential surface of the material grinding wheel (36), a plurality of square groove-shaped material grinding edges (361) are uniformly formed in the wheel bodies of the material grinding wheels (36) at two ends of the material passing groove (362), and a wheel shaft is arranged in the middle of the material grinding wheel (36) and connected to the second motor case (32);

the box bodies of the material distribution boxes (31) above the two material inlets (312) are hinged with material cleaning cover plates (39), and handles are arranged on the material cleaning cover plates (39).

2. The waste plastic bottle crushing treatment device according to claim 1, wherein a dust cover (25) is arranged above the feeding hopper (21), the dust cover (25) completely covers four directions right above the feeding hopper (21) and adjacent to each other, and the feeding conveyor belt (1) extends into the dust cover (25) from one surface, which is not covered by the dust cover (25), above the feeding hopper (21).

3. The waste plastic bottle crushing treatment device according to claim 1, wherein the primary crusher (2) comprises an outer wall, two rows of parallel-arranged cutter shafts (222) are arranged in the outer wall, the cutter shafts (222) are fixedly connected with the outer wall through bearings in a rotating mode, a plurality of cutter wheels (22) are arranged on the cutter shafts (222) at intervals, the cutter wheels (22) are disc-shaped, a plurality of water-drop-shaped cutter edges (221) are arranged on the circumferential surface of the cutter wheels (22) at intervals, a first motor box (24) is arranged beside the outer wall of the primary crusher (2), one end of each cutter shaft (222) extends out of the outer wall and extends into the first motor box (24), a motor and a reduction gear set are arranged in the first motor box (24), the cutter shafts (222) are connected with the output end of the reduction gear set, the motor is electrically connected with a control panel, and four cutter blades (23) penetrating through the outer wall are arranged on the outer wall of the primary crusher (2).

4. The waste plastic bottle crushing treatment device according to claim 1, wherein the feeding end of the discharging conveyor belt (4) is provided with a stop device (41), the stop device (41) comprises a stop plate (411) and stop seats (412), the cross section of each stop seat (412) is triangular, the three stop seats (412) are distributed in a U shape, the discharging conveyor belt (4) comprises a transmission part and supporting shells positioned at two ends of the transmission part, two stop seats (412) parallel to each other in the three stop seats (412) are fixed on the supporting shells, the stop plate (411) is provided with three stop plates, the three stop plates are respectively arranged on the three stop seats (412), the transmission part comprises a conveyor belt (42), a transmission roller (43) and a roller seat (44), the roller seats (44) are uniformly arranged on the inner surfaces of the two supporting shells, the transmission roller (43) are arranged between the two opposite transmission rollers (44), the two transmission roller seats (43) are arranged between the two transmission roller seats, and the two transmission roller seats (43) are horizontally wound on the conveyor belt (43) and are arranged between the two transmission roller seats.

5. The waste plastic bottle crushing treatment device according to claim 4, wherein a plurality of roller beams (45) are uniformly arranged between the two supporting shells, two roller seats (451) are fixed on the upper surfaces of the roller beams (45) side by side, rotating shafts are arranged on the two roller seats (451), oblique rollers (452) are arranged on the rotating shafts, the two oblique rollers (452) respectively arranged on the two roller seats (451) are arranged at an included angle with each other, the conveying belt (42) covers the two oblique rollers (452), and the section of the conveying belt (42) is in a V shape under the action of the two oblique rollers (452).