CN220681335U - Waste plastic crushing and recycling device - Google Patents

Abstract

The utility model discloses a waste plastic crushing and recycling device, which comprises a supporting plate, wherein the bottom of the supporting plate is fixedly connected with supporting legs, the top of the supporting plate is provided with a shell, the top of the shell is provided with a preheating bin, the side walls of the bottom ends of the two sides of the preheating bin are provided with a taking-out opening, a baffle plate is inserted into the taking-out opening, the top of the preheating bin is provided with a preheating component, the inner wall of the shell is fixedly connected with a sieve plate, a pair of first guide blocks and second guide blocks are respectively arranged above and below the sieve plate, a pair of first crushing components are arranged below the first guide blocks, a pair of second crushing components are arranged above the second guide blocks, the bottom of the supporting plate is provided with a pair of first electric telescopic rods, the bottom end of an output shaft of each first electric telescopic rod is fixedly connected with a lifting plate, a collecting groove is arranged on the lifting plate, and cleaning components are arranged on the two sides of the shell. The utility model can crush the waste plastics for a plurality of times, preheat the waste plastics before crushing, and clean the waste plastics residues remained in the device.

Description

Waste plastic crushing and recycling device

Technical Field

The utility model belongs to the technical field of waste plastic recovery, and particularly relates to a waste plastic crushing and recovering device.

Background

Plastics are a common material that plays a variety of important roles in our daily lives. Plastics can be used for manufacturing various products, from household articles to electronic products, from medical equipment to automobile parts, and plastics can also be used for packaging and storage, plastics can protect articles from damage and contamination, and at the same time can be stored and transported conveniently, and plastics can also be used for manufacturing protective equipment such as helmets and protective gloves. With the mass application of plastics, the waste plastics and garbage generated are increased. And the waste plastic products are difficult to degrade in natural environment, so that the waste plastic products need to be recycled in time.

Waste plastics are usually required to be crushed after being recovered, and various crushing devices are currently available on the market, such as a crushing device for waste plastics recovery disclosed in China patent net, the publication number of which is CN211762817U, and the crushing device can be used for crushing and recovering waste plastics, but has some defects and defects to be improved: (1) The existing crushing device has single functions, and most of the devices only have the crushing function, but cannot preheat waste plastics before crushing, so that some waste plastics with harder textures are difficult to crush thoroughly, the efficiency of the whole crushing work is reduced, and the crushing effect of the waste plastics is reduced; (2) The existing crushing device is difficult to clean waste plastic residues left in the device due to structural design, and after the waste plastic residues are piled up for a long time, the subsequent crushing effect of the crushing device can be affected, and meanwhile, the crushing device is easy to block, so that the normal work cannot be realized. Therefore, aiming at the problems, the waste plastic crushing and recycling device provided by the utility model has important significance.

Disclosure of Invention

The utility model provides a waste plastic crushing and recycling device, which can crush recycled waste plastic for a plurality of times under the combined action of a first crushing assembly and a second crushing assembly, and can preheat the waste plastic before crushing by a preheating assembly, so that the hardness of the waste plastic can be effectively reduced, the waste plastic can be crushed more thoroughly, the efficiency of the whole crushing work is greatly improved, and the crushing effect of the waste plastic is also effectively improved; the cleaning brush through smashing the board bottom can effectively clear away the waste plastic residue of adhesion at the sieve surface to avoid its long-time back sieve mesh of piling up, and can blow off the waste plastic residue of adhesion on smashing board, sieve and crushing roller with the help of wind-force through the clearance subassembly, in order to play the effect of clearance, thereby effectively avoided the waste plastic residue to remain inside the casing and influence this reducing mechanism follow-up crushing effect, simultaneously also effectively prevented that waste plastic residue from blockking up this reducing mechanism and making it unable normal work, the problem in the background art has been solved in total.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model discloses a waste plastic smashing and recycling device, which comprises a supporting plate, wherein a discharging hole is formed in the surface of the supporting plate, a plurality of supporting legs are fixedly connected to the bottom of the supporting plate, a shell is installed at the top of the supporting plate, the discharging hole is rectangular and is communicated with the bottom of the shell, an observation window is formed in the front end face of the shell, a preheating bin is installed at the top of the device, the bottom of the preheating bin is communicated with the top of the shell, the top of the device is of an open design, outlet holes are formed in the side walls of the bottom of the two sides of the preheating bin, the outlet holes are rectangular, a baffle is inserted into the outlet holes, a first handle is fixedly connected to one side of the baffle, a preheating assembly is installed at the top of the preheating bin, a sieve plate is fixedly connected to the inner wall of the shell, a plurality of sieve holes are formed in the surface of the sieve plate, a pair of first guide blocks and a second guide blocks are respectively and fixedly connected to the inner walls of the two sides of the shell, the top of the device is of an inclined end face, a baffle plate is arranged below the first guide blocks, a pair of electric smashing guide blocks are respectively arranged on the first guide blocks, a lifting assembly is fixedly connected to the two sides of the first guide plates, a lifting assembly is arranged on the two sides of the lifting assembly, and a telescopic assembly is fixedly arranged on the bottom of the lifting assembly.

Further, the preheating component comprises a sealing cover, a pair of second handles are fixedly connected to the top of the sealing cover, a steam generator is installed at the top of the sealing cover, a lug is fixedly connected to the bottom of the sealing cover, the steam generator is located between the pair of second handles, water inlet pipes are installed on two sides of the steam generator, a plurality of heat conducting pipes are installed on two sides of the bottom of the steam generator, the heat conducting pipes are distributed in a linear equidistant mode along the width direction of the steam generator, and a pipe orifice at the bottom of the heat conducting pipes penetrates through the lug and extends to the lower portion of the lug.

Further, the front face of the baffle is L-shaped, the width of the baffle is equal to that of the taking-out opening, the cross section of the lug is rectangular, and the length and the width of the lug are respectively equal to those of the inner wall of the opening at the top of the preheating bin.

Further, the first crushing subassembly includes a pair of second electric telescopic handle, the second electric telescopic handle is installed respectively at the both sides inner wall of casing, and its output shaft end fixedly connected with smashes the board, the lateral wall surface of smashing the board is provided with a plurality of and is the triangle-shaped sharp piece that linear array distributes, just the bottom surface of smashing the board is provided with one deck cleaning brush.

Further, the second crushing assembly comprises a pair of motors, the motors are respectively arranged on two sides of the rear end face of the shell, the output shafts of the motors penetrate through the rear side of the shell and extend into the shell, the crushing rollers are fixedly connected to the output shafts of the motors, a plurality of triangular sharp blocks distributed in an annular array are arranged on the surfaces of the roller bodies of the crushing rollers, a plurality of triangular crushing blocks are fixedly connected to the inner walls of the bottom ends of two sides of the shell, and the crushing blocks are located on one side of the crushing rollers and distributed in a linear array.

Further, the cleaning assembly comprises a blowing bin, the blowing bin is arranged on the outer wall of the shell, the top of the blowing bin is fixedly connected with a plurality of blowing pipes, a fan is arranged on the blowing bin, blades of the fan are located in the blowing bin, the blowing pipes are distributed at equal intervals linearly along the width direction of the blowing bin, one end pipe orifice of each blowing pipe is communicated with the blowing bin, and the other end pipe orifice of each blowing pipe is in a horn shape and extends to the upper portion of the crushing plate after penetrating through the side wall of the shell and the first guide block respectively.

Further, a plurality of positioning grooves are formed in the top surface of the lifting plate, the length and the width of the material collecting groove are respectively equal to those of the material outlet, a plurality of positioning columns are fixedly connected to the bottom of the material collecting groove, the cross sections of the positioning columns and the positioning grooves are circular, the number of the positioning columns is the same, the diameters of the positioning columns are equal, and the centers of the positioning columns are respectively corresponding to the centers of the positioning grooves.

Compared with the prior art, the utility model has the following beneficial effects:

(1) When the crushing and recycling device is used, the recycled waste plastics can be crushed for a plurality of times under the combined action of the first crushing assembly and the second crushing assembly, and before crushing, the waste plastics can be preheated by the preheating assembly, so that the hardness of the waste plastics can be effectively reduced, the waste plastics can be crushed more thoroughly, the efficiency of the whole crushing work is greatly improved, and the crushing effect of the waste plastics is effectively improved;

(2) When the crushing recovery device is used, the waste plastic residues adhered to the surface of the screen plate can be effectively removed through the cleaning brush at the bottom of the crushing plate so as to avoid blocking the screen holes after long-time accumulation, and the waste plastic residues adhered to the crushing plate, the screen plate and the crushing roller can be blown down by wind power through the cleaning assembly so as to play a role in cleaning, so that the phenomenon that the subsequent crushing effect of the crushing device is influenced due to the fact that the waste plastic residues remain in the shell is effectively avoided, and meanwhile, the phenomenon that the waste plastic residues block the crushing device so as to cause the waste plastic residues not to work normally is also effectively prevented.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a waste plastic crushing and recycling device of the utility model;

FIG. 2 is a front cross-sectional view of the interior of the housing of the present utility model;

FIG. 3 is a schematic view of the bottom structure of the housing of the present utility model;

FIG. 4 is a side view of the structure of the housing of the present utility model;

FIG. 5 is a schematic perspective view of a baffle plate according to the present utility model;

FIG. 6 is a schematic perspective view of a preheating assembly according to the present utility model;

FIG. 7 is a schematic perspective view of a first pulverizing assembly according to the present utility model;

FIG. 8 is a top plan view of a second shredder assembly in accordance with the present utility model;

FIG. 9 is a schematic perspective view of a cleaning assembly according to the present utility model;

FIG. 10 is a schematic perspective view of a lifter plate according to the present utility model;

fig. 11 is a schematic perspective view of a collecting trough in the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a support plate; 2. a discharge port; 3. support legs; 4. a housing; 5. an observation window; 6. preheating a bin; 7. a take-out port; 8. a baffle; 9. a first handle; 10. a sieve plate; 11. a sieve pore; 12. a first guide block; 13. a second guide block; 14. a first electric telescopic rod; 15. a lifting plate; 16. a material collecting groove; 17. sealing cover; 18. a second handle; 19. a steam generator; 20. a bump; 21. a water inlet pipe; 22. a heat conduction pipe; 23. a second electric telescopic rod; 24. crushing the plate; 25. cleaning brushes; 26. a motor; 27. a pulverizing roller; 28. crushing the material blocks; 29. a blast bin; 30. a blast pipe; 31. a fan; 32. a positioning groove; 33. and positioning columns.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "opposite," "one end," "interior," "transverse," "end," "both ends," "two sides," "front," "one end face," "the other end face," and the like indicate orientations or positional relationships, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the components or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-11, a waste plastic crushing and recycling device of the present utility model includes a supporting plate 1, a discharging hole 2 is formed on the surface of the supporting plate 1, a plurality of supporting legs 3 are fixedly connected to the bottom of the supporting plate, a housing 4 is mounted at the top of the supporting plate 1, the discharging hole 2 is rectangular and is communicated with the bottom of the housing 4, an observation window 5 is formed at the front end surface of the housing 4, a preheating bin 6 is mounted at the top of the housing 4, the bottom of the preheating bin 6 is communicated with the top of the housing 4, the top is of an open design, a take-out opening 7 is formed at the side walls at the two bottom ends of the preheating bin 6, the take-out opening 7 is rectangular, a baffle 8 is inserted into the take-out opening 7, a first handle 9 is fixedly connected to one side of the baffle 8, when two baffles 8 are respectively inserted into the corresponding take-out openings 7 and make one ends of the two baffles 8 contact with each other, waste plastic to be led in from the top of the preheating bin 6 and fall on the baffle 8, when the preheating treatment of the waste plastics is finished, the first handle 9 is held, the two baffles 8 are respectively pulled out of the preheating bin 6 along the take-out opening 7, the preheated waste plastics can fall down and enter the shell 4 so as to be subjected to subsequent crushing treatment, the preheating component is arranged at the top of the preheating bin 6, the inner wall of the shell 4 is fixedly connected with the sieve plate 10, the surface of the sieve plate 10 is provided with a plurality of sieve holes 11, a pair of first guide blocks 12 and second guide blocks 13 are respectively arranged above and below the sieve holes, the first guide blocks 12 and the second guide blocks 13 are respectively fixedly connected to the inner walls at two sides of the shell 4, the top parts of the first guide blocks 12 and the second guide blocks are all inclined end surfaces, a pair of first crushing components are arranged below the first guide blocks 12, a pair of second crushing components are arranged above the second guide blocks 13, a pair of first electric telescopic rods 14 are arranged at the bottom of the support plate 1, the first electric telescopic rods 14 are respectively positioned at two sides of the discharge hole 2, the bottom end of the output shaft of each electric telescopic rod is fixedly connected with a lifting plate 15, a collecting groove 16 is arranged on each lifting plate 15, and cleaning components are respectively arranged at two sides of the shell 4.

The preheating component comprises a sealing cover 17, a pair of second handles 18 are fixedly connected to the top of the sealing cover 17, a steam generator 19 is installed at the top of the sealing cover, a bump 20 is fixedly connected to the bottom of the sealing cover 17, the steam generator 19 is located between the pair of second handles 18, a water inlet pipe 21 is installed on two sides of the steam generator 19, a plurality of heat conducting pipes 22 are installed on two sides of the bottom of the steam generator 19, the heat conducting pipes 22 are distributed linearly at equal intervals along the width direction of the steam generator 19, the pipe orifices at the bottom end penetrate through the bump 20 and extend to the lower portion of the bump 20, water can be led into the steam generator 19 through the water inlet pipe 21, the steam generator 19 can be used for heating water and generating high-temperature steam, the high-temperature steam can be led into the preheating bin 6 and spread to the upper portion of the baffle 8, and at the moment, waste plastics on the baffle 8 can be preheated by heat generated by the high-temperature steam, so that the hardness of the waste plastics can be effectively reduced, and the waste plastics can be crushed more thoroughly.

Wherein, baffle 8 openly is L shape, and its width equals with the width of taking out mouth 7, and lug 20's cross section is the rectangle, and its length and width correspond equally with the length and the width of preheating bin 6 top open department inner wall respectively, when preheating the waste plastic on the baffle 8 through preheating the subassembly, can seal taking out mouth 7 and preheating bin 6's top open department respectively with baffle 8 and lug 20 to can effectively improve preheating bin 6's seal, with prevent that the heat from permeating the gap and escaping and causing the waste of energy consumption.

Wherein, first crushing subassembly includes a pair of second electric telescopic handle 23, second electric telescopic handle 23 installs respectively at the both sides inner wall of casing 4, its output shaft end fixedly connected with crushing board 24, the lateral wall surface of crushing board 24 is provided with a plurality of triangle-shaped pointed piece that is linear array distribution, get into casing 4 and fall on sieve 10 when waste plastics through preheating, can drive crushing board 24 through driving second electric telescopic handle 23 and move about, utilize the triangle-shaped pointed piece on crushing board 24 surface can extrude waste plastics this moment, in order to play preliminary kibbling effect, the bottom surface of crushing board 24 is provided with one deck cleaning brush 25, when crushing board 24 moves about, can drive cleaning brush 25 and scrape the brush repeatedly along the surface of sieve 10, thereby the waste plastics residue of adhesion on sieve 10 surface is effectively clear away to usable cleaning brush 25, in order to avoid its jam sieve mesh 11 after piling up for a long time.

Wherein, the second crushing subassembly includes a pair of motor 26, motor 26 installs respectively in the rear end face both sides of casing 4, its output shaft runs through the rear side of casing 4 and extends to in the casing 4, and fixedly connected with crushing roller 27 on the output shaft of motor 26, the roll body surface of crushing roller 27 is provided with a plurality of and is annular array distributed triangle-shaped sharp piece, waste plastic after the preliminary crushing of first crushing subassembly can fall into between two crushing roller 27 through each sieve mesh 11, at this moment, driving motor 26 makes it drive two crushing roller 27 rotatory respectively, utilize the triangle-shaped sharp piece on crushing roller 27 surface can extrude waste plastic equally, thereby play the effect of secondary crushing, the both sides bottom inner wall fixedly connected with a plurality of triangle-shaped piece 28 of casing 4, crushing roller 27 is located one side of crushing roller 27, and be linear array distribution, when crushing roller 27 carries out secondary crushing to waste plastic, a portion waste plastic can remove to the both sides of crushing roller 27, utilize each crushing roller 28 and the mutual extrusion between the crushing roller 27 can smash this portion waste plastic, thereby effectively avoided remaining, make waste plastic more thoroughly crushed thoroughly.

The cleaning assembly comprises a blowing bin 29, the blowing bin 29 is arranged on the outer wall of the shell 4, a plurality of blowing pipes 30 are fixedly connected to the top of the blowing bin 29, fans 31 are arranged on the blowing bin 29, blades of the fans 31 are located in the blowing bin 29, the blowing pipes 30 are distributed linearly at equal intervals along the width direction of the blowing bin 29, one end pipe opening of each blowing pipe is communicated with the blowing bin 29, the other end pipe opening of each blowing pipe 30 is in a horn shape and penetrates through the side wall of the shell 4 and the first guide block 12 and extends to the position above the crushing plate 24 respectively, blowing can be conducted by driving the fans 31, the blowing of the fans 31 can be conducted to the shell 4 through the effect of the blowing of the waste plastic residues adhered to the crushing plate 24, the screen plate 10 and the crushing roller 27, so that the cleaning effect is achieved, the fact that the waste plastic residues remain inside the shell 4 to influence the subsequent crushing effect of the crushing device, and meanwhile, the fact that the waste plastic residues block the crushing device cannot normally work is effectively prevented.

Wherein, a plurality of constant head tanks 32 are offered on the top surface of lifter plate 15, the length and the width of collection groove 16 correspond equally with the length and the width of discharge gate 2 respectively, a plurality of reference columns 33 of its bottom fixedly connected with, the reference column 33 is circular with the cross section of constant head tank 32, its quantity, the diameter is equal, and the center of each reference column 33 corresponds with the center of each constant head tank 32 respectively, when collection groove 16 is placed on lifter plate 15, each reference column 33 can align and insert in corresponding constant head tank 32, can fix a position collection groove 16 through the cooperation between reference column 33 and the constant head tank 32, so as to firmly fix it on lifter plate 15, can drive lifter plate 15 and collection groove 16 through driving first electric telescopic handle 14 together, collection groove 16 can pass discharge gate 2 and extend to between two second baffle plates 13, waste plastics after the regrinding can get into collection groove 16 along second baffle plate 13, waste plastics after the regrinding can be unified the collection through collection groove 16, afterwards can be followed the discharge gate 2 with the waste plastics that gathers materials 16 and take out in the follow-up treatment of collection groove 16 along the discharge gate 16.

The working principle of the utility model is as follows:

when the utility model is used, firstly, the electric elements in the device are externally connected with a control switch and a power supply through wires, then, the two baffles 8 are respectively inserted into the corresponding taking-out openings 7 until one ends of the two baffles 8 are contacted, then, the waste plastic to be crushed after recovery is led in from the opening at the top of the preheating bin 6 and falls on the baffles 8, then, the second handle 18 is held to cover the sealing cover 17 at the top of the preheating bin 6, and water is led into the steam generator 19 through the water inlet pipe 21, at this time, the steam generator 19 can be used for heating water and generating high-temperature steam, the high-temperature steam can be led into the preheating bin 6 through the heat pipes 22 and spread above the baffles 8, the waste plastic on the baffles 8 can be preheated by the heat generated by the high-temperature steam, thus, the hardness of the waste plastic can be effectively reduced, the waste plastic can be crushed more thoroughly, after the preheating treatment of the waste plastics is finished, the first handle 9 is held to draw the two baffles 8 out of the preheating bin 6 along the take-out opening 7 respectively, at the moment, the waste plastics can fall onto the first guide block 12 and slide onto the screen plate 10 along the first guide block 12, then the second electric telescopic rod 23 is driven to drive the crushing plate 24 to move left and right, the triangular sharp blocks on the surface of the crushing plate 24 can be used for extruding the waste plastics so as to perform the function of preliminary crushing, the bottom surface of the crushing plate 24 is provided with a layer of cleaning brush 25, when the crushing plate 24 moves left and right, the cleaning brush 25 can be driven to repeatedly scrape along the surface of the screen plate 10, so that waste plastics residues adhered to the surface of the screen plate 10 can be effectively removed by the cleaning brush 25 so as to avoid blocking the screen holes 11 after long-time accumulation, the waste plastics which are subjected to preliminary crushing by the crushing plate 24 can fall between the two crushing rollers 27 through each screen hole 11, at this time, the driving motor 26 drives the two pulverizing rollers 27 to rotate respectively, triangular sharp blocks on the surfaces of the pulverizing rollers 27 can be used for extruding waste plastics as well, so that the secondary pulverizing effect is achieved, the secondarily pulverized waste plastics can enter the collecting tank 16 along the second guide block 13, the pulverized waste plastics can be uniformly collected through the collecting tank 16, then the first electric telescopic rod 14 is driven to drive the lifting plate 15 to move downwards together with the collecting tank 16 until the collecting tank 16 moves to the lower part of the supporting plate 1 along the discharge hole 2, the collecting tank 16 can be taken out of the lifting plate 15, so that the waste plastics in the collecting tank 16 can be subjected to subsequent treatment, after the device is used for a long time, the fan 31 can be driven to blow, the blowing effect of the fan 31 can be utilized to blow the waste plastics residues adhered to the pulverizing plates 24 and 10 and the pulverizing rollers 27 to play a role of blowing, so that the waste plastics residues remain in the inside the shell 4 to influence the subsequent pulverizing device, and the pulverizing device cannot be blocked due to the normal pulverizing effect of the device can be effectively prevented.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (7)

1. The utility model provides a recovery unit is smashed to waste plastic, its characterized in that, includes the backup pad, the discharge gate has been seted up to the surface of backup pad, a plurality of supporting legs of its bottom fixedly connected with, just the casing is installed at the top of backup pad, the discharge gate is the rectangle to be linked together with the bottom of casing, the observation window has been seted up to the preceding terminal surface of casing, and its top is installed and is preheated the storehouse, preheat the bottom of storehouse and the top of casing and be linked together, its top is open design, just preheat the both sides bottom lateral wall of storehouse and all seted up the outlet, the outlet is the rectangle, just insert the baffle in the outlet, one side fixedly connected with first handle of baffle, preheat the top of storehouse and install preheating assembly, the inner wall fixedly connected with sieve of casing, a plurality of sieve mesh has been seted up on the surface to its top and the below, first guide block and second guide block are the both sides inner wall of casing respectively, its top is the tilt end, the below of first guide block is provided with the first guide block, the first guide block is located the first expansion bracket of a pair of side, the first telescopic link is installed to the first guide plate, the telescopic link is located the first telescopic link is installed to the both sides of the first support plate, the telescopic link is equipped with the telescopic link, the telescopic link is placed to the first both sides.

2. The waste plastic crushing and recycling device according to claim 1, wherein the preheating component comprises a sealing cover, the top of the sealing cover is fixedly connected with a pair of second handles, a steam generator is installed at the top of the sealing cover, the bottom of the sealing cover is fixedly connected with a convex block, the steam generator is positioned between the pair of second handles, water inlet pipes are installed at two sides of the steam generator, a plurality of heat conducting pipes are installed at two sides of the bottom of the steam generator, the heat conducting pipes are distributed linearly at equal intervals along the width direction of the steam generator, and pipe orifices at the bottom end of the heat conducting pipes penetrate through the convex block and extend to the lower part of the convex block.

3. The waste plastic crushing and recycling device according to claim 2, wherein the front surface of the baffle plate is L-shaped, the width of the baffle plate is equal to the width of the taking-out opening, the cross section of the protruding block is rectangular, and the length and the width of the protruding block are respectively equal to the length and the width of the inner wall of the opening at the top of the preheating bin.

4. The waste plastic crushing and recycling device according to claim 1, wherein the first crushing assembly comprises a pair of second electric telescopic rods, the second electric telescopic rods are respectively arranged on the inner walls of the two sides of the shell, the tail end of the output shaft of each second electric telescopic rod is fixedly connected with a crushing plate, the side wall surface of each crushing plate is provided with a plurality of triangular pointed blocks distributed in a linear array, and the bottom surface of each crushing plate is provided with a layer of cleaning brush.

5. The waste plastic crushing and recycling device according to claim 1, wherein the second crushing assembly comprises a pair of motors, the motors are respectively arranged on two sides of the rear end face of the shell, the output shafts of the motors penetrate through the rear side of the shell and extend into the shell, crushing rollers are fixedly connected to the output shafts of the motors, a plurality of triangular pointed blocks distributed in an annular array are arranged on the surface of the roller body of each crushing roller, a plurality of triangular crushed blocks are fixedly connected to the inner walls of the bottom ends of two sides of the shell, and the crushed blocks are located on one side of each crushing roller and distributed in a linear array.

6. The waste plastic crushing and recycling device according to claim 1, wherein the cleaning assembly comprises a blowing bin, the blowing bin is arranged on the outer wall of the shell, a plurality of blowing pipes are fixedly connected to the top of the blowing bin, a fan is arranged on the blowing bin, blades of the fan are positioned in the blowing bin, the blowing pipes are distributed linearly and equidistantly along the width direction of the blowing bin, one end pipe orifice of each blowing pipe is communicated with the blowing bin, and the other end pipe orifice of each blowing pipe is in a horn shape and extends to the upper side of the crushing plate after penetrating through the side wall of the shell and the first guide block respectively.

7. The waste plastic crushing and recycling device according to claim 1, wherein a plurality of positioning grooves are formed in the top surface of the lifting plate, the length and the width of the material collecting groove are respectively equal to those of the material outlet, a plurality of positioning columns are fixedly connected to the bottom of the material collecting groove, the cross sections of the positioning columns and the positioning grooves are circular, the number of the positioning columns and the cross sections of the positioning columns are the same, the diameters of the positioning columns are equal, and the centers of the positioning columns are respectively corresponding to the centers of the positioning grooves.