CN113799289A

CN113799289A - Plastic granules melts device for plastics processing

Info

Publication number: CN113799289A
Application number: CN202111118714.9A
Authority: CN
Inventors: 杨德笋; 李玉竹; 肖丰柱; 吴玉璋; 吴联坤
Original assignee: Hunan Jiali Plastics Co ltd
Current assignee: Hunan Jiali Plastics Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2021-12-17

Abstract

The invention discloses a plastic particle melting device for plastic processing, which belongs to the technical field of plastic product processing and comprises a workbench, a heating and melting structure, a stirring and cleaning structure, a plastic particle crushing structure and a feeding quantity adjusting structure, wherein the heating and melting structure is arranged on the workbench, the feeding quantity adjusting structure is arranged on a crushing box, two adjusting plates are symmetrically and rotatably arranged on the crushing box, and a driving assembly is in transmission connection with the two adjusting plates. According to the plastic particle feeding device, plastic particles are fed between the two adjusting plates by putting the plastic particles into the feeding amount adjusting structure and adjusting the angle between the two adjusting plates, the feeding amount of the plastic particles is controlled according to the melting speed of different plastic particles, the plastic particle crushing assembly crushes the plastic particles, the melting speed of the plastic particles is improved, the melted plastic particles are discharged by the scraping assembly, and the situation that the plastic is attached to the heating melting structure during discharging and the melting device is blocked after cooling is avoided.

Description

Plastic granules melts device for plastics processing

Technical Field

The invention relates to the technical field of plastic product processing, in particular to a plastic particle melting device for plastic processing.

Background

The plastic is a high molecular compound which is polymerized by addition polymerization or polycondensation reaction and takes a monomer as a raw material, the high molecular compound has moderate deformation resistance and is between fibers and rubber, and the high molecular compound consists of synthetic resin, fillers, plasticizers, stabilizers, lubricants, pigments and other additives.

For example, a plastic pellet melts device for plastics processing of publication No. CN112693026A, it mainly relates to the plastic products processing field. This plastic granules melts device for plastics processing sets up through the coordinated control of two barrier plates and motor, has realized the intermittent type formula feeding of the plastic granules material in the feeder hopper to make the material can be fully melted, reduced the fault rate among the feeding process, improved the overall efficiency of feeding, thereby finally guaranteed the feeding quality of device body. In addition, through bracing piece, the swinging arms, strike the piece, the pivot hole, the axis of rotation, a fixed base, drive the pole, drive the hole, drive the reasonable setting of axle, realized that the motor shaft rotates a week, two swinging arms can swing once, strike a feeder hopper simultaneously with this, avoided plastic granules because the problem of humidity class is attached to on the feeder hopper, solved plastic granules and attached to the problem on the feeder hopper inner wall, improved plastic granules's utilization ratio, also further reduced the feeding fault rate effectively

However, the above-mentioned device has the following problems in use, one of which is that the feeding quantity can not be controlled and the particle form can not be changed according to the melting speed of different plastic particles, which easily causes incomplete melting of the plastic particles; secondly, the fluidity of the melted plastic particles is poor, the melted plastic particles are easily attached to a heating cavity during blanking, and the melted plastic particles are cooled to cause blockage of a melting device, so that the next plastic particle processing is influenced.

Disclosure of Invention

The embodiment of the invention provides a plastic particle melting device for plastic processing, and aims to solve the technical problems that feeding amount cannot be controlled and particle form cannot be changed according to melting speeds of different plastic particles, the plastic particles are easy to melt incompletely, the molten plastic particles are poor in flowability, the molten plastic particles are easy to adhere to a heating cavity during blanking, the melting device is blocked after cooling, and the next plastic particle processing is influenced.

The embodiment of the invention adopts the following technical scheme: the utility model provides a plastic granules melts device for plastic processing, melts structure, stirring clearance structure, plastic granules crushing structure and feeding volume regulation structure including workstation, heating, the heating is melted the structure and is set up on the workstation, stirring clearance structure sets up and melts in the structure heating, stirring clearance structure includes the stirring subassembly and strikes off the subassembly, the stirring subassembly with strike off subassembly normal running fit, plastic granules crushing structure sets up and melts structurally in the heating, plastic granules crushing structure is including smashing case and crushing unit, crushing unit sets up at smashing the incasement, the feeding volume regulation structure sets up on smashing the case, the feeding volume regulation structure includes drive assembly and two regulating plates, two the regulating plate symmetry rotates and sets up on smashing the case, drive assembly is connected with two regulating plate transmissions.

Further, drive assembly includes support frame, double-shaft motor, two threaded rods and two rotation fluted discs, the support frame sets up on the lateral wall of crushing case, two the one end of threaded rod respectively with the both ends normal running fit of support frame, two the screw thread of threaded rod sets up relatively, double-shaft motor sets up on the support frame, two main shafts of double-shaft motor respectively with the other end fixed connection of two threaded rods, two the one end of rotation fluted disc respectively with the one end fixed connection of two regulating plates, two the other end of rotation fluted disc is connected with two threaded rod transmissions respectively.

Further, crushing unit includes crushing motor, chain, two pelleter hobbing cutters, two sprocket wheels and three eager grain roller, and is three the even equidistance of eager grain roller sets up at crushing incasement, two pelleter hobbing cutter symmetry rotates and sets up at crushing incasement, two the sprocket wheel respectively with two pelleter hobbing cutter fixed connection, the chain cover is established at two sprockets, crushing motor sets up the side at crushing case, crushing motor's main shaft and one of them pelleter hobbing cutter fixed connection, crushing case's bottom is equipped with the discharge gate.

Further, the heating melts the structure and includes heating bucket, electromagnetic heating circle, unloading electric jar and closing plate, the heating bucket sets up the bottom at crushing case, the heating bucket is equipped with the feed inlet, the feed inlet docks with the handle mouth of crushing case, the heating bucket is equipped with the heating chamber and melts the chamber, the electromagnetic heating circle sets up in the heating chamber, the heating barrel head portion is equipped with the feed opening, unloading electric jar sets up on the workstation, the closing plate sets up and goes out at the feed opening, closing plate during operation and heating barrel head portion sliding fit, the flexible end and the closing plate fixed connection of unloading electric jar.

Further, the stirring assembly comprises a motor fixing frame, a stirring motor, a rotating main shaft and a stirring frame, the scraping assembly comprises a scraping motor, a rotating frame, a scraping frame and two driving gears, the motor fixing frame is arranged on the heating barrel, the stirring motor is arranged on the motor fixing frame, the rotating main shaft is arranged at the middle position of the heating barrel, the main shaft of the stirring motor is fixedly connected with the rotating main shaft, the stirring frame is fixedly connected with the rotating main shaft, the scraping motor is arranged on the motor fixing frame, the rotating frame penetrates through the top of the heating barrel, the rotating main shaft penetrates through the rotating frame, the scraping frame is fixedly connected with the rotating frame, the side walls of the scraping frame and the heating barrel are in sliding fit with the bottom, one of the driving gears is fixedly connected with the scraping motor, the other driving gear is fixedly connected with the rotating frame, the two driving gears are meshed with each other.

Further, still include the vibration subassembly, the vibration subassembly includes motor fixing base, vibrating motor, dysmorphism piece, strikes pole, fixed block and spring, strike the one end and the heating barrel top normal running fit of pole, the motor fixing base sets up the one side of striking the pole, vibrating motor sets up on the motor fixing base, dysmorphism piece and vibrating motor's main shaft fixed connection, strike the intermediate position and the dysmorphism piece sliding fit of pole, the fixed block sets up the opposite side at the pole of striking, the one end and the fixed block fixed connection of spring, the other end setting of striking the pole is at the side of discharge gate and strikes the other end fixed connection of the other end of pole and spring.

Further, still include feed opening clearance subassembly, feed opening clearance subassembly is including clearance motor, clearance frame and two clearance gears, the clearance motor sets up on the workstation, one of them the main shaft fixed connection of clearance gear and clearance motor, the clearance frame is with the inner wall normal running fit of heating barrel feed opening, another one clearance gear rotates the feed opening department that sets up at the heating barrel, another one clearance gear and clearance frame fixed connection, two clearance gear intermeshing.

The embodiment of the invention adopts at least one technical scheme which can achieve the following beneficial effects:

one of them, two threaded rods of biax motor work drive are rotatory, and two threaded rods are connected with two rotation fluted disc transmissions respectively to drive two rotation fluted disc relative rotations, and then drive two regulating plates relative rotations, through the contained angle between the two regulating plates of adjustment, according to its feed speed of melting speed control and feeding volume of plastic granules, make more thoroughly that plastic granules melted.

And secondly, the grinding motor works to drive one of the granulator hobs to rotate, one of the granulator hobs drives one of the chain wheels to rotate, one of the chain wheels drives the other chain wheel and the granulator hob to rotate through the chain, the two granulator hobs rotate to be matched with the three granulator roll shafts, and plastic particles are further chopped, so that the plastic particles are melted more thoroughly.

Thirdly, when the plastic particles are heated, the stirring motor works to drive the rotating main shaft to rotate, the rotating main shaft drives the stirring frame to rotate, the plastic particles in the heating barrel are stirred, so that the plastic particles are melted more thoroughly, after the melting is finished, the scraping motor works to drive one of the driving gears to rotate, one of the driving gears drives the rotating frame to rotate through the other driving gear, the rotating frame drives the scraping frame to rotate, the plastic granules melted in the heating barrel are fed, the device blockage caused by the adhesion of the plastic granules in the heating barrel is avoided, meanwhile, the blanking speed is improved, the cleaning motor works to drive one cleaning gear to rotate, the two cleaning gears are meshed, thereby drive the rotation of clearance frame through another clearance gear, the unloading that the clearance frame melts to heating barrel feed opening department has improved unloading speed, avoids causing the device to block up in the cooling of feed opening department.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

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

FIG. 3 is a schematic structural view of a feed rate adjusting structure according to the present invention;

FIG. 4 is a schematic structural view of a plastic particle pulverizing structure according to the present invention;

FIG. 5 is a schematic structural view of a heated thawing configuration of the present invention;

FIG. 6 is a schematic structural view of a stirring cleaning structure according to the present invention;

FIG. 7 is a schematic structural view of the vibration assembly of the present invention;

fig. 8 is a schematic structural view of the feed opening cleaning assembly of the present invention.

Reference numerals

A workbench 1, a heating and melting structure 2, a heating barrel 21, an electromagnetic heating ring 22, a blanking electric cylinder 23, a sealing plate 24, a stirring and cleaning structure 3, a stirring component 31, a motor fixing frame 311, a stirring motor 312, a rotating main shaft 313, a stirring frame 314, a scraping component 32, a scraping motor 321, a rotating frame 322, a scraping frame 323, a driving gear 324, a plastic particle crushing structure 4, a crushing box 41, a crushing component 42, a crushing motor 421 and a chain 422, pelleter hobbing cutter 423, sprocket 424, pelleter roller shaft 425, feed rate adjusting structure 5, drive assembly 51, support frame 511, biax motor 512, threaded rod 513, rotation fluted disc 514, regulating plate 52, vibration subassembly 6, motor fixing base 61, vibrating motor 62, dysmorphism piece 63, strikes pole 64, fixed block 65, spring 66, feed opening clearance subassembly 7, clearance motor 71, clearance frame 72, clearance gear 73.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 8, an embodiment of the present invention provides a plastic particle melting apparatus for plastic processing, including a workbench 1, a heating and melting structure 2, an agitation cleaning structure 3, a plastic particle pulverizing structure 4, and a feeding amount adjusting structure 5, wherein the heating and melting structure 2 is disposed on the workbench 1, the agitation cleaning structure 3 is disposed in the heating and melting structure 2, the agitation cleaning structure 3 includes an agitation assembly 31 and a scraping assembly 32, the agitation assembly 31 is rotatably engaged with the scraping assembly 32, the plastic particle pulverizing structure 4 is disposed on the heating and melting structure 2, the plastic particle pulverizing structure 4 includes a pulverizing box 41 and a pulverizing assembly 42, the pulverizing assembly 42 is disposed in the pulverizing box 41, the feeding amount adjusting structure 5 is disposed on the pulverizing box 41, the feeding amount adjusting structure 5 includes a driving assembly 51 and two adjusting plates 52, the two adjusting plates 52 are symmetrically and rotatably arranged on the crushing box 41, and the driving assembly 51 is in transmission connection with the two adjusting plates 52. Put into feeding volume with plastic granules and adjust structure 5, drive assembly 51 work drives two regulating plate 52 relative rotations, adjust the angle between two regulating plate 52, plastic granules is from the feeding between two regulating plate 52, the feeding volume of plastic granules is controlled according to the speed of melting of different plastic granules, plastic granules gets into crushing case 41, plastic granules crushing unit 42 smashes it, the size of plastic granules has been changed, improve plastic granules's the speed of melting, the plastic granules after smashing gets into the heating and melts structure 2, stirring subassembly 31 stirs when it heats, make plastic granules fully melt, the rethread strikes off subassembly 32 and carries out the unloading to the plastic granules after melting, plastics are attached to when the unloading in the heating melts structure 2, cause after the cooling to melt the device and block up, influence the next plastic granules processing.

Preferably, referring to fig. 3, the driving assembly 51 of the present invention includes a supporting frame 511, a dual-axis motor 512, two threaded rods 513 and two rotating toothed discs 514, wherein the supporting frame 511 is disposed on a side wall of the pulverizing box 41, one end of each of the two threaded rods 513 is rotatably fitted to two ends of the supporting frame 511, the threads of the two threaded rods 513 are disposed opposite to each other, the dual-axis motor 512 is disposed on the supporting frame 511, two main shafts of the dual-axis motor 512 are fixedly connected to the other ends of the two threaded rods 513, one end of each of the two rotating toothed discs 514 is fixedly connected to one end of each of the two adjusting plates 52, and the other end of each of the two rotating toothed discs 514 is in transmission connection with the two threaded rods 513. The work of biax motor 512 drives two threaded rods 513 rotatoryly, and two threaded rods 513 are connected with two transmission of rotating fluted disc 514 respectively to drive two relative rotations of rotating fluted disc 514, and then drive two regulating plates 52 and rotate relatively, through adjusting the contained angle between two regulating plates, according to melting its feed speed of speed control and feeding volume of plastic granules, make more thoroughly that plastic granules melted.

Preferably, referring to fig. 4, the pulverizing assembly 42 of the present invention includes a pulverizing motor 421, a chain 422, two pelletizer cutters 423, two chain wheels 424 and three pelletizer roller shafts 425, the three pelletizer roller shafts 425 are uniformly and equidistantly disposed in the pulverizing box 41, the two pelletizer cutters 423 are symmetrically and rotatably disposed in the pulverizing box 41, the two chain wheels 424 are respectively and fixedly connected with the two pelletizer cutters 423, the chain 422 is sleeved on the two chain wheels 424, the pulverizing motor 421 is disposed beside the pulverizing box 41, a main shaft of the pulverizing motor 421 is fixedly connected with one of the pelletizer cutters 423, and a discharge port is disposed at the bottom of the pulverizing box 41. Crushing motor 421 work drives one of them pelleter hobbing cutter 423 and rotates, and one of them pelleter hobbing cutter 423 drives one of them sprocket 424 and rotates, and one of them sprocket 424 drives another sprocket 424 and pelleter hobbing cutter 423 through chain 422 and rotates, rotates through two pelleter hobbing cutters 423 and cooperatees with three eager grain roller 425, carries out further shredding to plastic granules for plastic granules melts more thoroughly.

Preferably, referring to fig. 5, the heating and melting structure 2 of the present invention includes a heating barrel 21, an electromagnetic heating ring 22, a blanking electric cylinder 23 and a sealing plate 24, wherein the heating barrel 21 is disposed at the bottom of the crushing box 41, the heating barrel 21 is provided with a feed inlet, the feed inlet is abutted to a processing port of the crushing box 41, the heating barrel 21 is provided with a heating chamber and a melting chamber, the electromagnetic heating ring 22 is disposed in the heating chamber, the bottom of the heating barrel 21 is provided with a blanking port, the blanking electric cylinder 23 is disposed on the workbench 1, the sealing plate 24 is disposed at the blanking port, the sealing plate 24 is in sliding fit with the bottom of the heating barrel 21 when in operation, and a telescopic end of the blanking electric cylinder 23 is fixedly connected to the sealing plate 24. After the crushed plastic particles enter the melting cavity of the heating barrel 21 from the feeding hole, the electromagnetic heating ring 22 works to heat and melt the plastic particles in the heating barrel 21, and the melted blanking electric cylinder 23 works to drive the sealing plate 24 to move, so that the melted plastic particles flow out from the blanking hole.

Preferably, referring to fig. 6, the stirring assembly 31 of the present invention includes a motor fixing frame 311, a stirring motor 312, a rotating spindle 313 and a stirring frame 314, the scraping assembly 32 includes a scraping motor 321, a rotating frame 322, a scraping frame 323 and two driving gears 324, the motor fixing frame 311 is disposed on the heating barrel 21, the stirring motor 312 is disposed on the motor fixing frame 311, the rotating spindle 313 is disposed at a middle position of the heating barrel 21, a spindle of the stirring motor 312 is fixedly connected with the rotating spindle 313, the stirring frame 314 is fixedly connected with the rotating spindle 313, the scraping motor 321 is disposed on the motor fixing frame 311, the rotating frame 322 penetrates through a top of the heating barrel 21, the rotating spindle 313 penetrates through the rotating frame 322, the scraping frame 323 is fixedly connected with the rotating frame 322, a side wall and a bottom of the scraping frame 323 and the heating barrel 21 are in sliding fit, one of the driving gears 324 is fixedly connected with the scraping motor 321, the other driving gear 324 is fixedly connected to the rotating frame 322, and the two driving gears 324 are engaged with each other. When plastic particles are heated, the stirring motor 312 works to drive the rotating main shaft 313 to rotate, the rotating main shaft 313 drives the stirring frame 314 to rotate, the plastic particles in the heating barrel 21 are stirred, the plastic particles are melted more thoroughly, after the melting is completed, the scraping motor 321 works to drive one of the driving gears 324 to rotate, one of the driving gears 324 drives the rotating frame 322 to rotate through the other driving gear 324, the rotating frame 322 drives the scraping frame 323 to rotate, the molten plastic particles in the heating barrel 21 are subjected to blanking, the phenomenon that the plastic particles are attached to the heating barrel 21 to cause device blockage is avoided, and meanwhile the blanking speed is improved.

Preferably, referring to fig. 7, the present invention further includes a vibration assembly 6, wherein the vibration assembly 6 includes a motor fixing seat 61, a vibration motor 62, a special-shaped block 63, a knocking rod 64, a fixing block 65 and a spring 66, one end of the knocking rod 64 is rotatably fitted with the top of the heating barrel 21, the motor fixing seat 61 is disposed on one side of the knocking rod 64, the vibration motor 62 is disposed on the motor fixing seat 61, the special-shaped block 63 is fixedly connected with a main shaft of the vibration motor 62, the middle position of the knocking rod 64 is slidably fitted with the special-shaped block 63, the fixing block 65 is disposed on the other side of the knocking rod 64, one end of the spring 66 is fixedly connected with the fixing block 65, the other end of the knocking rod 64 is disposed beside the discharge port, and the other end of the knocking rod 64 is fixedly connected with the other end of the spring 66. Vibrating motor 62 work drives dysmorphism piece 63 and rotates, the protruding position of dysmorphism piece 63 promotes strikes pole 64 and rotates, when making the one end of striking pole 64 keep away from the discharge gate, strike pole 64 and compress spring 66, dysmorphism piece 63 continues to rotate the elasticity of spring 66 and resets striking pole 64, make the one end of striking pole 64 strike the discharge gate, strike pole 64 reciprocating rotation, strike the discharge gate of smashing case 41, avoid plastic granules to block up at the discharge gate and influence the speed of melting.

Preferably, referring to fig. 8, the invention further includes a feed opening cleaning assembly 7, the feed opening cleaning assembly 7 includes a cleaning motor 71, a cleaning frame 72 and two cleaning gears 73, the cleaning motor 71 is disposed on the working table 1, one of the cleaning gears 73 is fixedly connected with a main shaft of the cleaning motor 71, the cleaning frame 72 is rotatably fitted with an inner wall of the feed opening of the heating barrel 21, the other cleaning gear 73 is rotatably disposed at the feed opening of the heating barrel 21, the other cleaning gear 73 is fixedly connected with the cleaning frame 72, and the two cleaning gears 73 are engaged with each other. Cleaning motor 71 works and drives one of them clearance gear 73 and rotate, and two clearance gears 73 mesh mutually to drive clearance frame 72 through another clearance gear 73 and rotate, clearance frame 72 has improved unloading speed to the unloading that heating barrel 21 feed opening department melted, avoids causing the device to block up in the cooling of feed opening department.

The working principle is as follows: putting plastic particles into a feeding quantity adjusting structure 5, enabling a double-shaft motor 512 to work to drive two threaded rods 513 to rotate, enabling the two threaded rods 513 to be in transmission connection with the two rotating fluted discs 514 respectively so as to drive the two rotating fluted discs 514 to rotate relatively and further drive the two adjusting plates 52 to rotate relatively, controlling the feeding speed and the feeding quantity of the plastic particles according to the melting speed of the plastic particles by adjusting the included angle between the two adjusting plates so that the plastic particles are melted more thoroughly, enabling a crushing motor 421 to work to drive one of granulator hobs 423 to rotate, enabling one of the granulator hobs 423 to drive one of chain wheels 424 to rotate, enabling one of the chain wheels 424 to drive the other chain wheel 424 and the granulator hobs 423 to rotate through a chain 422, enabling the two granulator hobs 423 to rotate to be matched with three granulator roll shafts 425 so as to further chop the plastic particles, and enabling the plastic particles to be melted more thoroughly, the vibrating motor 62 drives the special-shaped block 63 to rotate, the protruding position of the special-shaped block 63 pushes the knocking rod 64 to rotate, when one end of the knocking rod 64 is far away from the discharge hole, the knocking rod 64 compresses the spring 66, the special-shaped block 63 continuously rotates the elastic force of the spring 66 to reset the knocking rod 64, one end of the knocking rod 64 knocks the discharge hole, the knocking rod 64 rotates in a reciprocating manner to knock the discharge hole of the crushing box 41, the plastic particles are prevented from being blocked at the discharge hole to influence the melting speed, after the crushed plastic particles enter the melting cavity of the heating barrel 21 from the feed hole, the electromagnetic heating ring 22 works to heat and melt the plastic particles in the heating barrel 21, when the plastic particles are heated, the stirring motor 312 works to drive the rotating main shaft 313 to rotate, the rotating main shaft 313 drives the stirring frame 314 to rotate, the plastic particles in the heating barrel 21 are stirred, and the plastic particles are more thoroughly melted, after the melting is finished, the scraping motor 321 works to drive one of the driving gears 324 to rotate, one of the driving gears 324 drives the rotating frame 322 to rotate through the other driving gear 324, the rotating frame 322 drives the scraping frame 323 to rotate, molten plastic particles in the heating barrel 21 are discharged, the plastic particles are prevented from being attached to the heating barrel 21 to cause device blockage, meanwhile, the discharging speed is increased, the molten discharging electric cylinder 23 works to drive the sealing plate 24 to move, the molten plastic particles flow out from the discharging opening, the cleaning motor 71 works to drive one of the cleaning gears 73 to rotate, the two cleaning gears 73 are meshed, the other cleaning gear 73 drives the cleaning frame 72 to rotate, the cleaning frame 72 performs melting discharging on the discharging opening of the heating barrel 21, the discharging speed is increased, and the device blockage caused by cooling at the discharging opening is avoided.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a plastic granules melts device for plastics processing which characterized in that: comprises a workbench (1), a heating melting structure (2), a stirring cleaning structure (3), a plastic particle crushing structure (4) and a feeding amount adjusting structure (5), wherein the heating melting structure (2) is arranged on the workbench (1), the stirring cleaning structure (3) is arranged in the heating melting structure (2), the stirring cleaning structure (3) comprises a stirring component (31) and a scraping component (32), the stirring component (31) is in running fit with the scraping component (32), the plastic particle crushing structure (4) is arranged on the heating melting structure (2), the plastic particle crushing structure (4) comprises a crushing box (41) and a crushing component (42), the crushing component (42) is arranged in the crushing box (41), the feeding amount adjusting structure (5) is arranged on the crushing box (41), and the feeding amount adjusting structure (5) comprises a driving component (51) and two adjusting plates (52), two regulating plates (52) are symmetrically and rotatably arranged on the crushing box (41), and the driving assembly (51) is in transmission connection with the two regulating plates (52).

2. The plastic pellet melting apparatus for plastic processing as claimed in claim 1, wherein: drive assembly (51) are including support frame (511), double-shaft motor (512), two threaded rods (513) and two rotation fluted disc (514), support frame (511) set up on the lateral wall of smashing case (41), two the one end of threaded rod (513) respectively with the both ends normal running fit of support frame (511), two the screw thread of threaded rod (513) sets up relatively, double-shaft motor (512) set up on support frame (511), two main shafts of double-shaft motor (512) respectively with the other end fixed connection of two threaded rods (513), two the one end of rotation fluted disc (514) respectively with the one end fixed connection of two regulating plates (52), two the other end of rotation fluted disc (514) is connected with two threaded rod (513) transmissions respectively.

3. The plastic pellet melting apparatus for plastic processing as claimed in claim 1, wherein: crushing unit (42) is including crushing motor (421), chain (422), two pelleter hobbing cutters (423), two sprocket (424) and three eager grain roller (425), three the even equidistance setting of eager grain roller (425) is in crushing case (41), two pelleter hobbing cutter (423) symmetry rotates and sets up in crushing case (41), two sprocket (424) respectively with two pelleter hobbing cutter (423) fixed connection, chain (422) cover is established on two sprocket (424), crushing motor (421) set up the side at crushing case (41), the main shaft and one of them pelleter hobbing cutter (423) fixed connection of crushing motor (421), the bottom of crushing case (41) is equipped with the discharge gate.

4. The plastic pellet melting apparatus for plastic processing as claimed in claim 3, wherein: the heating melts structure (2) including heating bucket (21), electromagnetic heating circle (22), unloading electric cylinder (23) and closing plate (24), heating bucket (21) set up in the bottom of smashing case (41), heating bucket (21) are equipped with the feed inlet, the feed inlet docks with the handle mouth of smashing case (41), heating bucket (21) are equipped with the heating chamber and melt the chamber, electromagnetic heating circle (22) set up in the heating chamber, heating bucket (21) bottom is equipped with the feed opening, unloading electric cylinder (23) set up on workstation (1), closing plate (24) set up and go out at the feed opening, closing plate (24) during operation and heating bucket (21) bottom sliding fit, the flexible end and closing plate (24) fixed connection of unloading electric cylinder (23).

5. The plastic pellet melting apparatus for plastic processing according to claim 4, wherein: the stirring assembly (31) comprises a motor fixing frame (311), a stirring motor (312), a rotating main shaft (313) and a stirring frame (314), the scraping assembly (32) comprises a scraping motor (321), a rotating frame (322), a scraping frame (323) and two driving gears (324), the motor fixing frame (311) is arranged on the heating barrel (21), the stirring motor (312) is arranged on the motor fixing frame (311), the rotating main shaft (313) is arranged at the middle position of the heating barrel (21), the main shaft of the stirring motor (312) is fixedly connected with the rotating main shaft (313), the stirring frame (314) is fixedly connected with the rotating main shaft (313), the scraping motor (321) is arranged on the motor fixing frame (311), the rotating frame (322) penetrates through the top of the heating barrel (21), and the rotating main shaft (313) penetrates through the rotating frame (322), the scraping frame (323) is fixedly connected with the rotating frame (322), the side walls and the bottom of the scraping frame (323) and the heating barrel (21) are in sliding fit, one of the driving gears (324) is fixedly connected with the scraping motor (321), the other driving gear (324) is fixedly connected with the rotating frame (322), and the two driving gears (324) are meshed with each other.

6. The plastic pellet melting apparatus for plastic processing according to claim 4, wherein: the vibration component (6) comprises a motor fixing seat (61), a vibration motor (62), a special-shaped block (63), a knocking rod (64), a fixing block (65) and a spring (66), one end of the knocking rod (64) is in running fit with the top of the heating barrel (21), the motor fixing seat (61) is arranged on one side of the knocking rod (64), the vibration motor (62) is arranged on the motor fixing seat (61), the special-shaped block (63) is fixedly connected with a main shaft of the vibration motor (62), the middle position of the knocking rod (64) is in sliding fit with the special-shaped block (63), the fixed block (65) is arranged at the other side of the knocking rod (64), one end of the spring (66) is fixedly connected with the fixed block (65), the other end of the knocking rod (64) is arranged beside the discharge hole, and the other end of the knocking rod (64) is fixedly connected with the other end of the spring (66).

7. The plastic pellet melting apparatus for plastic processing according to claim 4, wherein: still include feed opening clearance subassembly (7), feed opening clearance subassembly (7) are including clearance motor (71), clearance frame (72) and two clearance gears (73), clearance motor (71) set up on workstation (1), one of them clearance gear (73) and the main shaft fixed connection of clearance motor (71), the inner wall normal running fit of clearance frame (72) and heating barrel (21) feed opening, another one clearance gear (73) are rotated and are set up the feed opening department at heating barrel (21), another one clearance gear (73) and clearance frame (72) fixed connection, two clearance gear (73) intermeshing.