CN111873236A

CN111873236A - Broken system is retrieved to junked tire

Info

Publication number: CN111873236A
Application number: CN202010619761.0A
Authority: CN
Inventors: 李国友
Original assignee: Anhui Zhonghong Rubber And Plastic Co ltd
Current assignee: Anhui Zhonghong Rubber And Plastic Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2020-11-03

Abstract

The invention discloses a waste tire recycling and crushing system, and relates to the technical field of waste tire recycling; in order to solve the cost problem; the cutting mechanism is fixed on the ground through four first supporting legs, the sorting and crushing mechanism is fixed on the ground through four second supporting legs, the screening and separating mechanism is fixed on the ground through four third supporting legs, and the cutting mechanism comprises a cutting shell, a material guide assembly, a transmission assembly and a cutting assembly. According to the invention, the permanent magnet and the scraper are arranged, the strip-shaped waste tire without the steel wire enters the toughness crusher to be crushed under the inertia effect, the strip-shaped waste tire with the steel wire is limited and enters the rigid crusher to be crushed, so that the rigid crusher and the toughness crusher can be used for manufacturing the die independently aiming at a certain performance, and the investment cost of equipment is further reduced.

Description

Broken system is retrieved to junked tire

Technical Field

The invention relates to the technical field of waste tire recovery, in particular to a waste tire recovery and crushing system.

Background

At present, the quantity of accumulated domestic waste tires is hundreds of millions, and the quantity of the waste tires is increased at a speed of about 6500 thousands of surprisal times per year, most of the waste tires cannot be utilized, the recycling rate is only 30% at present, along with the increase of vehicles such as automobiles and the like year by year, the quantity of the waste tires is more and more, and the waste tires are recycled, so that the cost of rubber products can be reduced, and the current situation of huge gaps of domestic rubber supply and demand can be relieved.

Through retrieval, chinese patent publication No. CN207578806U discloses a scrap tire recycling and crushing system, which comprises a cutting device, a crushing device and a steel wire separation device, wherein a feed opening of the cutting device feeds materials to a feed opening of the crushing device, and a discharge opening of the crushing device feeds materials to a feed opening of the steel wire separation device.

The above patents suffer from the following disadvantages: because a large amount of steel wires exist in the waste tires, and the characteristics of rubber and the steel wires are opposite, when the waste tires are directly cut or crushed, the cutting knife and the crusher are required to have the performance of processing a material with higher toughness and a material with higher rigidity, and the requirements on the cutting knife and the die are higher, so that the equipment cost is greatly improved.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a waste tire recycling and crushing system.

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

a waste tire recycling and crushing system comprises a shearing machine and a recycling device which are arranged on the ground, wherein the recycling device comprises a cutting mechanism, a sorting and crushing mechanism and a screening and separating mechanism, the cutting mechanism is fixed on the ground through four first supporting legs, the sorting and crushing mechanism is fixed on the ground through four second supporting legs, the screening and separating mechanism is fixed on the ground through four third supporting legs, the cutting mechanism comprises a cutting shell, a material guide assembly, a transmission assembly and a cutting assembly, the cutting shell is fixedly connected with the first supporting leg, the sorting and crushing mechanism comprises a belt conveyor, a rigid crusher and a flexible crusher, the belt conveyor is fixed on the ground through the four second supporting legs, permanent magnets are arranged on a conveying belt of the belt conveyor, and the screening and separating mechanism comprises an airflow screening machine and a vibration screening machine.

Preferably: the guide subassembly includes first driving shaft, first driven shaft and guide wheel, and equidistance and symmetrical arrangement's three groups first driving shaft all rotates with first driven shaft to be connected on the inner wall of cutting casing, six the guide wheel cup joints respectively on the outer wall of first driving shaft and first driven shaft, the top outer wall fixed rod shape of cutting casing has the top cap, and the top outer wall fixed mounting of top cap has the feeding blower inlet casing.

Further: equal-distance and circular-array chaste pawls are welded on the outer wall of the circumference of the material guide wheel.

On the basis of the scheme: the cutting assembly comprises a first cutting roller, a cutter and a second cutting roller, the inner wall of the cutting shell is connected with a second driving shaft and a second driven shaft in a rotating mode respectively, the first cutting roller and the second cutting roller are sleeved on the outer wall of the second driving shaft and the outer wall of the second driven shaft respectively, the cutters are arranged at equal intervals and fixedly installed on the outer wall of the second cutting roller, and guide grooves are formed in the inner wall, close to the cutter, of the first cutting roller.

The better scheme in the scheme is as follows: the transmission assembly comprises a driving belt wheel, a belt and a driven belt wheel, a driving motor is fixed on the outer wall of one side of the cutting shell through bolts, the driving belt wheel is sleeved on the outer wall of an output shaft of the driving motor, the driven belt wheel is respectively sleeved on the outer walls of a first driving shaft and a second driving shaft, transmission matching is formed between the driving belt wheel and the driven belt wheel and between adjacent driven belt wheels through the belt, a second driving gear is sleeved on the outer wall of the first driving shaft, a first driven gear is sleeved on the outer wall of the first driven shaft, a first driving gear is sleeved on the outer wall of the second driving shaft, a second driven gear is sleeved on the outer wall of the second driven shaft, the first driven gear and the second driving gear are meshed with each other at the same height, and the first driving gear and the second driven gear.

As a further scheme of the invention: the outer wall fixed mounting of second landing leg has the backup pad, and the outer wall fixed mounting of backup pad has the scraper blade, belt conveyor is located under the cutting assembly.

Meanwhile, the scraper is positioned right above the feed inlet of the rigid crusher, and the feed inlet of the flexible crusher is positioned at the conveying blanking position of the belt conveyor.

As a preferable aspect of the present invention: air current sieve separator fixed mounting is on the outer wall of third landing leg, and vibrations sieve separator fixed mounting is in the top outer wall of air current sieve separator, and the finished product discharge gate of vibrations sieve separator is connected with the feed inlet of air current sieve separator, the feed inlet of vibrations sieve separator passes through connecting tube to be connected with the discharge gate of rigidity rubbing crusher, and connecting tube's outer wall fixed mounting has suction pump and the solenoid valve rather than inside intercommunication.

Simultaneously, the large granule discharge gate of vibrations sieve separator is fixed with return line, and another export of return line is located directly over the feed inlet of rigid crusher.

As a more preferable scheme of the invention: the cutting shell is close to the outer wall fixed mounting of drive assembly and has the safety cover.

The invention has the beneficial effects that:

1. this broken system is retrieved to junked tire, utilize the cutter to open junked tire along the central line direction in batches earlier, the junked tire after will cutting afterwards puts into the guide subassembly, the guide subassembly transports it to the cutting subassembly, the cutting subassembly is along being on a parallel with steel wire distribution direction with junked tire cutting for the strip, compare the unordered direction cutting of tradition, the cutting direction of this device is on a parallel with steel wire distribution direction, make the cutter can not directly cut the steel wire, the strength requirement of cutter has been reduced, increase its life, thereby reduce equipment cost and drop into.

2. This broken system is retrieved to junked tire through being provided with permanent magnet and scraper blade, and the strip junked tire that does not contain the steel wire receives inertial action to get into the toughness rubbing crusher in and smashes, and the strip junked tire that contains the steel wire receives the scraper blade restriction, smashes in getting into the rigidity rubbing crusher, can make rigidity rubbing crusher and toughness rubbing crusher carry out the mould manufacturing to a certain performance alone, has further reduced the input cost of equipment.

3. This broken system is retrieved to junked tire through being provided with the guide subassembly, the tire after the cutting machine cuts open, put into between the guide wheel along feeding blower inlet casing, when the guide wheel rotates, can flatten the radian of tire, provide the basis for follow-up cutting assembly along the cutting of steel wire distribution direction, and the guide wheel is when carrying, and accessible thorn pawl plays fine confining force to the tire, can be better flatten it and carry, prevent that it from sliding, improve device operating stability.

4. This broken system is retrieved to junked tire through being provided with vibrations sieve separator and return line, harder in the tire that contains the steel wire, the once smashing of rigidity rubbing crusher can not reach the granule demand sometimes, and vibrations sieve separator can filter the large granule, and the large granule under the filtration receives the action of gravity to get into the regrinding in the rigidity rubbing crusher along the return line, satisfies the demand until smashing the granule, has improved the crushing quality of device.

5. This broken system is retrieved to junked tire through being provided with the air current sieve separator, screens the mixed granule after qualified and passes through the air current sieve separator, and the air current sieve separator sends out rubber granule and metal particle through its different discharge gates to accomplish the separate recycle to rubber and metal.

Drawings

Fig. 1 is a schematic view of the overall structure of a scrap tire recycling and crushing system according to the present invention;

FIG. 2 is a schematic view of a partial structure of a scrap tire recycling and crushing system according to the present invention;

FIG. 3 is a schematic structural diagram of a transmission assembly of a scrap tire recycling and crushing system according to the present invention;

FIG. 4 is a schematic structural view of a guide assembly and a cutting assembly of a scrap tire recycling and crushing system according to the present invention;

FIG. 5 is a schematic structural diagram of a sorting and crushing mechanism of a waste tire recycling and crushing system according to the present invention;

FIG. 6 is a schematic structural diagram of a screening and separating mechanism of a waste tire recycling and crushing system according to the present invention;

in the figure: 1-cutting mechanism, 2-first supporting leg, 3-sorting and crushing mechanism, 4-second supporting leg, 5-third supporting leg, 6-screening and separating mechanism, 7-first driving shaft, 8-feeding guide shell, 9-top cover, 10-protective cover, 11-cutting shell, 12-second driving shaft, 13-second driven shaft, 14-first driven shaft, 15-first driven gear, 16-second driven gear, 17-driving pulley, 18-driving motor, 19-first driving gear, 20-belt, 21-driven pulley, 22-second driving gear, 23-guide groove, 24-first cutting roller, 25-cutter, 26-second cutting roller, 27-guide wheel, 28-chaste pawl, 29-belt conveyor, 30-supporting plate, 31-scraper, 32-rigid crusher, 33-flexible crusher, 34-airflow screening machine, 35-vibration screening machine, 36-suction pump, 37-electromagnetic valve, 38-connecting pipeline and 39-return pipeline.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

A waste tire recycling and crushing system comprises a shearing machine and a recycling device which are arranged on the ground, as shown in figures 1 and 5, the recycling device comprises a cutting mechanism 1, a sorting and crushing mechanism 3 and a screening and separating mechanism 6, the cutting mechanism 1 is fixed on the ground through four first supporting legs 2, the sorting and crushing mechanism 3 is fixed on the ground through four second supporting legs 4, the screening and separating mechanism 6 is fixed on the ground through four third supporting legs 5, the cutting mechanism 1 comprises a cutting shell 11, a material guiding component, a transmission component and a cutting component, the cutting shell 11 is fixedly connected with the first supporting legs 2, the sorting and crushing mechanism 3 comprises a belt conveyor 29, a rigid crusher 32 and a flexible crusher 33, the belt conveyor 29 is fixed on the ground through four second supporting legs 4, and a permanent magnet is arranged on a conveyor belt of the belt conveyor 29, the screening and separating mechanism 6 comprises an airflow screening machine 34 and a vibration screening machine 35; when the waste tire screening device is used, firstly, a shearing machine is used for cutting waste tires in batches along the direction of a central line, then the cut waste tires are placed into a material guiding assembly, the material guiding assembly conveys the waste tires to a cutting assembly, the cutting assembly cuts the waste tires into strips along the direction parallel to the distribution direction of steel wires, then the waste tires fall onto the surface of a belt conveyor 29 for conveying, the strips of waste tires without steel wires enter a toughness crusher 33 to be crushed under the action of inertia, the strips of waste tires with steel wires enter a rigid crusher 32 to be crushed, rubber particles doped with steel wire particles are obtained after crushing, then the rubber particles enter a vibration screening machine 35 through a connecting pipeline 38 to be screened according to the particle size, the qualified rubber particles pass through an air flow screening machine 34, and are sorted through air flow according to the large density difference between the rubber particles and the steel wire particles; according to the invention, the waste tires are firstly cut along the central line direction, then are cut along the steel wire distribution direction, then the strip-shaped waste tires containing steel wires and the strip-shaped waste tires containing no steel wires are sorted by the belt conveyor 29, and are respectively crushed in the rigid crusher 32 and the flexible crusher 33 after being sorted, so that the rigid crusher 32 and the flexible crusher 33 can be used for manufacturing a die aiming at a certain performance independently, and the investment cost of equipment is greatly reduced.

Aiming at solving the problem of material guiding; as shown in fig. 2, 3 and 4, the material guiding assembly includes a first driving shaft 7, a first driven shaft 14 and material guiding wheels 27, three groups of the first driving shaft 7 and the first driven shaft 14 which are equidistantly and symmetrically arranged are rotatably connected to the inner wall of the cutting housing 11, six material guiding wheels 27 are respectively sleeved on the outer walls of the first driving shaft 7 and the first driven shaft 14, a rod-shaped top cover 9 is fixed on the outer wall of the top of the cutting housing 11, and a feeding guide shell 8 is fixedly installed on the outer wall of the top cover 9; the tire cut by the cutting machine is placed between the guide wheels 27 along the feeding guide shell 8, and when the guide wheels 27 rotate, the radian of the tire can be leveled and conveyed to the cutting assembly.

In order to solve the problem of skid resistance; as shown in fig. 4, the outer circumferential wall of the material guiding wheel 27 is welded with equi-spaced and circular arrays of thorn-shaped claws 28; when the material guide wheel 27 is used for conveying, the chaste claw 28 can exert a good limiting force on the tire, so that the tire can be better leveled and conveyed to prevent the tire from sliding.

In order to solve the cutting problem; as shown in fig. 4, the cutting assembly includes a first cutting roller 24, a cutter 25 and a second cutting roller 26, the inner wall of the cutting housing 11 is rotatably connected with a second driving shaft 12 and a second driven shaft 13 respectively, the first cutting roller 24 and the second cutting roller 26 are respectively sleeved on the outer walls of the second driving shaft 12 and the second driven shaft 13, the cutters 25 arranged at equal intervals are fixedly mounted on the outer wall of the second cutting roller 26, and the inner wall of the first cutting roller 24 close to the cutters 25 is provided with a guide groove 23; when the tire is guided by the guide assembly and conveyed to the cutter 25, the cutter 25 is started, and the tire can be cut into strips along the distribution direction of the steel wires.

In order to solve the transmission problem; as shown in fig. 3, the transmission assembly includes a driving pulley 17, a belt 20 and a driven pulley 21, a driving motor 18 is fixed on the outer wall of one side of the cutting shell 11 through bolts, a driving pulley 17 is sleeved on the outer wall of an output shaft of the driving motor 18, driven pulleys 21 are respectively sleeved on the outer walls of the first driving shaft 7 and the second driving shaft 12, a transmission fit is formed between the driving pulley 17 and the driven pulleys 21 and between adjacent driven pulleys 21 through a belt 20, a second driving gear 22 is sleeved on the outer wall of the first driving shaft 7, a first driven gear 15 is sleeved on the outer wall of the first driven shaft 14, a first driving gear 19 is sleeved on the outer wall of the second driving shaft 12, a second driven gear 16 is sleeved on the outer wall of the second driven shaft 13, the first driven gear 15 and the second driving gear 22 at the same height are mutually meshed, and the first driving gear 19 and the second driven gear 16 are mutually meshed; when the driving motor 18 is started, the first driving shaft 7 and the second driving shaft 12 can be driven to rotate through the transmission cooperation of the driving belt wheel 17, the belt 20 and the driven belt wheel 21, and then the second driven shaft 13 and the first driven shaft 14 are driven to rotate at the same rotating speed through the meshing action of the second driven gear 16, the first driving gear 19, the first driven gear 15 and the second driving gear 22, and the rotation directions of the second driven shaft and the first driven shaft are opposite to each other, so that the guiding assembly and the cutting assembly are guaranteed to obtain power and run reliably.

In order to solve the sorting problem, as shown in fig. 5, a support plate 30 is fixedly mounted on the outer wall of the second support leg 4, a scraper 31 is fixedly mounted on the outer wall of the support plate 30, the belt conveyor 29 is positioned right below the cutting assembly, the scraper 31 is positioned right above the feed inlet of the rigid crusher 32, and the feed inlet of the flexible crusher 33 is positioned at the conveying and blanking position of the belt conveyor 29; the cut tire falls on the belt conveyor 29, the tire without the steel wire is conveyed into the flexible crusher 33 through the belt conveyor 29 to be crushed, the tire with the steel wire is adsorbed by the conveying belt of the belt conveyor 29, moves to the scraper 31 along with the conveying belt, and is scraped by the scraper 31 to fall into the rigid crusher 32 to be crushed.

In order to solve the sorting problem, as shown in fig. 5 and 6, the airflow screening machine 34 is fixedly installed on the outer wall of the third support leg 5, the vibration screening machine 35 is fixedly installed on the outer wall of the top of the airflow screening machine 34, the finished product discharge port of the vibration screening machine 35 is connected with the feed port of the airflow screening machine 34, the feed port of the vibration screening machine 35 is connected with the discharge port of the rigid crusher 32 through a connecting pipeline 38, and the outer wall of the connecting pipeline 38 is fixedly provided with a suction pump 36 and an electromagnetic valve 37 which are communicated with the interior of the connecting pipeline 38; the tire containing the steel wire enters a rigid crusher 32, is crushed into steel wire and rubber mixed particles, is conveyed by a suction pump 36 and is conveyed into a vibration screening machine 35, the vibration screening machine 35 filters large particles which do not meet requirements, the particles which meet the requirements enter an airflow screening machine 34, and the airflow screening machine 34 sends out the rubber particles and the metal particles through different discharge ports of the rubber particles and the metal particles to finish sorting.

In order to solve the backflow problem, as shown in fig. 5 and 6, a backflow pipeline 39 is fixed at the large particle discharge port of the vibratory screening machine 35, and the other outlet of the backflow pipeline 39 is positioned right above the feed port of the rigid crusher 32; because the tire that contains the steel wire is harder, rigidity rubbing crusher 32 once smashes and sometimes can not reach the granule demand, and vibrations sieve separator 35 can filter the large granule to the large granule under the filtration receives gravity to receive the action of gravity to get into rigidity rubbing crusher 32 in and smash again, until smashing the granule and satisfying the demand, has improved the crushing quality of device.

In order to solve the safety problem, as shown in fig. 2, a protective cover 10 is fixedly installed on the outer wall of the cutting shell 11 close to the transmission assembly; the protective cover 10 protects the transmission assembly and the worker.

When the cutting machine is used, the waste tires are cut in batch along the direction of a central line by using the shearing machine, when the driving motor 18 is started, the first driving shaft 7 and the second driving shaft 12 are driven to rotate by the transmission cooperation of the driving belt wheel 17, the belt 20 and the driven belt wheel 21, then the second driven shaft 13 and the first driven shaft 14 are driven to rotate at the same speed through the meshing action of the second driven gear 16, the first driving gear 19, the first driven gear 15 and the second driving gear 22, the rotation directions are opposite, the tires cut by the cutting machine are placed between the guide wheels 27 along the feeding guide shell 8, the radian of the tires can be flattened when the guide wheels 27 rotate, when the tires are guided to the cutting knife 25 by the guide wheels 27, the cutting knife 25 rotates to cut the tires into strips along the distribution direction of steel wires, the cut tires fall on the belt conveyor 29, the tire that does not contain the steel wire is carried through belt conveyor 29 and is got into toughness rubbing crusher 33 and smash, the tire that contains the steel wire is adsorbed by belt conveyor 29's conveyer belt, with the conveyer belt continues to move to scraper 31 department, scrape down through scraper 31 and drop to smash in rigidity rubbing crusher 32, the tire that contains the steel wire gets into rigidity rubbing crusher 32, smash into steel wire and rubber hybrid particle, later through the transport of suction pump 36, carry it into vibrations screening machine 35 in, vibrations screening machine 35 filters the large granule that does not satisfy the demand, the granule that satisfies the demand gets into air current screening machine 34, air current screening machine 34 sends out rubber granule and metal particle through its different discharge gates, accomplish and select separately, the large granule that filters receives the action of gravity and gets into rigidity rubbing crusher 32 in along return line 39 and smashes again.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The waste tire recycling and crushing system comprises a shearing machine and a recycling device which are arranged on the ground, and is characterized in that the recycling device comprises a cutting mechanism (1), a sorting and crushing mechanism (3) and a screening and separating mechanism (6), wherein the cutting mechanism (1) is fixed on the ground through four first supporting legs (2), the sorting and crushing mechanism (3) is fixed on the ground through four second supporting legs (4), the screening and separating mechanism (6) is fixed on the ground through four third supporting legs (5), the cutting mechanism (1) comprises a cutting shell (11), a material guide assembly, a transmission assembly and a cutting assembly, the cutting shell (11) is fixedly connected with the first supporting legs (2), the sorting and crushing mechanism (3) comprises a belt conveyor (29), a rigid crusher (32) and a toughness crusher (33), and the belt conveyor (29) is fixed on the ground through four second supporting legs (4), the belt conveyor (29) is provided with permanent magnets on the conveyor belt, and the screening and separating mechanism (6) comprises an airflow screening machine (34) and a vibration screening machine (35).

2. The scrap tire recycling and crushing system according to claim 1, wherein the material guiding assembly comprises a first driving shaft (7), a first driven shaft (14) and material guiding wheels (27), three groups of equidistant and symmetrical arrangement of the first driving shaft (7) and the first driven shaft (14) are rotatably connected to the inner wall of the cutting shell (11), six material guiding wheels (27) are respectively sleeved on the outer walls of the first driving shaft (7) and the first driven shaft (14), a top cover (9) is fixed to the outer wall of the top of the cutting shell (11), and a feeding guide shell (8) is fixedly installed on the outer wall of the top cover (9).

3. A scrap tire recycling and crushing system according to claim 2, characterized in that the guide wheel (27) is welded on its circumferential outer wall with equidistant and circular arrays of chaste fingers (28).

4. The waste tire recycling and crushing system according to claim 1 or 2, wherein the cutting assembly comprises a first cutting roller (24), a cutter (25) and a second cutting roller (26), the inner wall of the cutting shell (11) is respectively and rotatably connected with a second driving shaft (12) and a second driven shaft (13), the first cutting roller (24) and the second cutting roller (26) are respectively sleeved on the outer walls of the second driving shaft (12) and the second driven shaft (13), the cutters (25) arranged at equal intervals are fixedly installed on the outer wall of the second cutting roller (26), and guide grooves (23) are formed in the inner wall, close to the cutter (25), of the first cutting roller (24).

5. The waste tire recycling and crushing system as claimed in claim 1 or 2, wherein the transmission assembly comprises a driving pulley (17), a belt (20) and a driven pulley (21), a driving motor (18) is fixed on the outer wall of one side of the cutting shell (11) through a bolt, the driving pulley (17) is sleeved on the outer wall of the output shaft of the driving motor (18), the driven pulley (21) is respectively sleeved on the outer walls of the first driving shaft (7) and the second driving shaft (12), a transmission fit is formed between the driving pulley (17) and the driven pulley (21) and between adjacent driven pulleys (21) through the belt (20), the outer wall of the first driving shaft (7) is sleeved with a second driving gear (22), the outer wall of the first driven shaft (14) is sleeved with a first driven gear (15), the outer wall of the second driving shaft (12) is sleeved with a first driving gear (19), and a second driven gear (16) is sleeved on the outer wall of the second driven shaft (13), the first driven gear (15) and the second driving gear (22) at the same height are meshed with each other, and the first driving gear (19) and the second driven gear (16) are meshed with each other.

6. The scrap tire recycling and crushing system according to claim 1, wherein the outer wall of the second leg (4) is fixedly provided with a support plate (30), the outer wall of the support plate (30) is fixedly provided with a scraper (31), and the belt conveyor (29) is positioned right below the cutting assembly.

7. The scrap tire recycling and crushing system according to claim 6, wherein the scraper (31) is located right above the feed inlet of the rigid crusher (32), and the feed inlet of the flexible crusher (33) is located at the feeding and blanking position of the belt conveyor (29).

8. The waste tire recycling and crushing system as claimed in claim 1, wherein the air flow screening machine (34) is fixedly installed on the outer wall of the third leg (5), the vibration screening machine (35) is fixedly installed on the outer wall of the top of the air flow screening machine (34), the finished product discharge port of the vibration screening machine (35) is connected with the feed port of the air flow screening machine (34), the feed port of the vibration screening machine (35) is connected with the discharge port of the rigid crusher (32) through a connecting pipeline (38), and the outer wall of the connecting pipeline (38) is fixedly provided with a suction pump (36) and an electromagnetic valve (37) which are communicated with the interior of the connecting pipeline (38).

9. The scrap tire recycling and crushing system according to claim 1, wherein the large particle outlet of the vibratory screening machine (35) is fixed with a return line (39), and the other outlet of the return line (39) is positioned right above the inlet of the rigid crusher (32).

10. A scrap tire recycling and shredding system according to claim 1, characterised in that the cutting housing (11) is fixedly fitted with a protective cover (10) close to the outer wall of the transmission assembly.