CN114054144B

CN114054144B - Mould powder environmental protection processingequipment

Info

Publication number: CN114054144B
Application number: CN202111230391.2A
Authority: CN
Inventors: 孙浪
Original assignee: Jiangsu Langshi Plastic Powder Co ltd
Current assignee: Jiangsu Langshi Plastic Powder Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-07-12
Anticipated expiration: 2041-10-22
Also published as: CN114054144A

Abstract

The invention discloses an environment-friendly plastic powder processing device which comprises a base, wherein a box body is arranged at the top of the base, a blanking hopper is arranged at the top of the box body, a discharge hole is formed in the side surface of the box body, two extrusion assemblies are arranged inside the box body, sieving assemblies are arranged at the bottoms of the two extrusion assemblies, a driving mechanism in transmission connection with the two extrusion assemblies is arranged at the top of the base, and an adjusting mechanism for adjusting the distance between the two extrusion assemblies is arranged at the outer side of the box body. Compared with the conventional flour mill, the grinding device has the advantages that the barrel can roll raw materials for multiple times through the rotation of the scraper in different modes, so that powder is in full contact with the barrel, meanwhile, the accumulation of the raw materials on the screen can be reduced compared with the conventional screening machine, the grinding and screening can be realized in one device, the structure is compact, the raw materials are not required to be transferred in a large range by using a fan, the powder transmission distance is shortened, the electric energy is saved, and the dust is reduced.

Description

Mould powder environmental protection processingequipment

Technical Field

The invention relates to the technical field of plastic powder processing, in particular to an environment-friendly plastic powder processing device.

Background

The powder coating is a solid powder synthetic resin coating composed of solid resin, pigment, filler, auxiliary agent and the like. Unlike conventional solvent-based coatings and water-based coatings, the dispersion medium is not a solvent and water, but air. It has the characteristics of no solvent pollution, 100 percent film forming and low energy consumption. Powder coatings fall into two broad categories, thermoplastic and thermosetting.

The molding powder is a thermosetting powder coating for electrostatic spraying. The conventional plastic powder processing technology comprises the steps of mixing raw materials, extruding molten state by an extruder, processing the raw materials into sheets by a tablet machine, rolling the sheets into small particles after cooling, rolling the small particles into powder by a grinding machine, and screening powder with different meshes by a screening machine. Wherein, current milling machine and sieve separator are two independent equipment, transmit the powder of milling machine processing to the sieve separator through setting up the fan mostly, in order to guarantee the normal transmission of powder, the fan can select great power mostly, can consume a large amount of electric power in long-term production process, simultaneously because the route of fan transmission powder is longer, so can produce great dust, cause the pollution to the environment.

Disclosure of Invention

The invention aims to: in order to solve the problems, the invention provides an environment-friendly plastic powder processing device.

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

the environment-friendly plastic powder processing device comprises a base, wherein a box body is arranged at the top of the base, a blanking hopper is arranged at the top of the box body, a discharge hole is formed in the side surface of the box body, two extrusion assemblies are arranged inside the box body, sieving assemblies are arranged at the bottoms of the two extrusion assemblies, a driving mechanism in transmission connection with the two extrusion assemblies is arranged at the top of the base, and an adjusting mechanism for adjusting the distance between the two extrusion assemblies is arranged at the outer side of the box body;

the extrusion assembly comprises a cylindrical barrel body with two through ends, the two axial ends of the barrel body are both rotatably connected with a cylindrical shell, the barrel body is communicated with the inner space of the shell body, a plurality of scraping plates are arranged in the barrel body and are uniformly distributed around the barrel body in an annular mode and are all arranged along the radial direction of the barrel body, a through groove for penetrating through the scraping plates is formed in the side wall of the barrel body, a first elastic telescopic rod is fixedly connected to one side of the scraping plates, which is positioned in the barrel body, along the axial direction of the barrel body, at each end, the telescopic end of the first elastic telescopic rod is fixedly connected with a second elastic telescopic rod, the second elastic telescopic rod is arranged along the radial direction of the barrel body, a cam, a first driving piece and a counter are fixedly connected to the circular inner wall of the shell body, and a first guide groove and a second guide groove which are matched with the telescopic end of the second elastic telescopic rod are formed in the periphery of the cam, a rotating shaft is arranged in the cylinder body, and two ends of the rotating shaft penetrate through the two shells at the two ends of the cylinder body;

the screening assembly comprises a first screen and a second screen, the first screen and the second screen are respectively positioned at the bottoms of the two cylinders, two ends of the first screen and the second screen along the axial direction of the cylinders are fixedly connected with baffles, the baffles are fixedly connected with the shell, and connecting rods distributed along the axial direction of the cylinders are arranged between the first screen and the second screen;

the driving mechanism comprises a second driving piece arranged at the top of the base and a transmission assembly for driving the two cylinders to rotate reversely, the output end of the second driving piece is connected with a driving shaft in a transmission way through the gear transmission assembly, and the driving shaft is connected with the transmission assembly in a transmission way;

the adjusting mechanism comprises two supporting components and a worm, the supporting components are composed of a supporting sleeve and two supporting arms, the supporting sleeve is connected with the rotating shaft in a rotating mode, strip-shaped protrusions are arranged on two horizontal sides of the supporting sleeve, the two supporting arms are respectively connected with the extending ends of the protrusions in a rotating mode, the lower ends of the two supporting arms are connected with the box in a rotating mode, two adjusting gears are fixedly connected to the lower ends of the two supporting arms, the two supporting arms are close to each other, the two adjusting gears are meshed with each other, and one of the adjusting gears is meshed with the worm.

Preferably, the thickness of the inner part of the cylinder body is 30-50mm, the thickness of the scraping plate is 8-12mm, the number of the scraping plates is at least three, the first guide groove is an annular groove which surrounds a circle of the periphery of the cam, the second guide groove consists of an arc-shaped groove, a first connecting groove and a second connecting groove, the first connecting groove and the second connecting groove are positioned at two ends of the arc-shaped groove, and the first connecting groove and the second connecting groove are communicated with the first guide groove, the side wall of the first guide groove opposite to the second connecting groove is provided with a groove, and a guide plate is rotationally connected in the groove and fixedly connected with the output end of the first driving piece, the depths of the arc-shaped groove and the first connecting groove are the same, and the depths of the two are smaller than those of the first guide groove, and the depths of the two ends of the second connecting groove are respectively the same as those of the first guide groove and the arc-shaped groove.

Preferably, the first screen and the second screen are both arc-shaped structures, the radian of the first screen is 150 degrees and the radian of the second screen is 210 degrees and 240 degrees, the baffles at both ends of the first screen and both ends of the second screen are both in sliding connection with a connecting rod, and the end surface of the connecting rod is in an isosceles triangle structure.

Preferably, transmission assembly includes first belt pulley, two second belt pulleys, third belt pulley and driving belt, first belt pulley and one the second belt pulley all rotates with the box to be connected, another the rotation axis fixed connection of second belt pulley and an extrusion subassembly, another rotate through the drive gear of two meshs between the one end of the rotation axis of extrusion subassembly and the second belt pulley of being connected with the box rotation and be connected, the surface of box is provided with the tension controller who is connected with the third belt pulley.

Preferably, a driving gear is fixedly connected to an end surface of the first pulley, and a spiral piece meshed with the driving gear is fixedly connected to the outer side of the driving shaft.

Preferably, two arc-shaped guide rails are fixedly connected to the side wall of the box body opposite to the transmission assembly, and the two rotating shafts of the two extrusion assemblies are respectively connected with the two guide rails in a sliding manner.

Preferably, the one end that the rotation axis is close to transmission assembly is rotated through the bearing and is connected with the connecting plate, the surface of box has circular shape through-hole, and the inboard fixedly connected with annular mount pad of through-hole, be provided with the sealing member between connecting plate and the mount pad.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. this application is provided with the box, set up two extrusion subassemblies in the box, be provided with the subassembly that sieves in extrusion subassembly's bottom, extrusion subassembly is provided with barrel and casing, be provided with a plurality of scraper blades in the barrel, the both ends of scraper blade all are provided with first elasticity telescopic link and second elasticity telescopic link, be provided with the cam in the casing, be provided with first guide way and second guide way on the cam, be provided with the deflector in the first guide way, last first driving piece and the counter of being provided with of shells inner wall. This device is compared in the rotation of conventional milling machine through the different modes of scraper blade, makes the barrel roll the raw materials many times, makes the powder fully contact barrel, compares simultaneously in conventional sieve separator and can reduce piling up of raw materials on the screen cloth, realizes crocus and screening simultaneously in a device, compact structure, and the raw materials need not to use the fan to carry out shift on a large scale, shortens the distance of powder transmission, has both saved the electric energy, has still reduced the dust.

2. This application sets up adjustment mechanism in the outside of box, adjustment mechanism comprises two supporting components and worm, supporting component is by supporting the cover, support arm and adjusting gear constitute, through rotatory worm when using, make adjusting gear rotate, further make the support arm rotate, because the support arm is provided with two, and two support arms and support the cover and can constitute the parallelogram structure, thereby drive and support the barrel translation of cover connection, adjust the distance between two barrels, play and change and roll the effect of powder granule size.

3. The utility model provides a can set up a plurality of boxes on the base, still be provided with the second driving piece on the base simultaneously, the second driving piece is connected with the drive shaft through the gear drive subassembly, the drive shaft passes through transmission subassembly and barrel transmission, the transmission subassembly is provided with drive gear, be provided with the flight with the mutual interlock of drive gear in the drive shaft, through the drive of second driving piece, make drive gear rotatory, it is rotatory to further drive the barrel. This device can carry out multistage different particle size to the raw materials through the setting of a plurality of boxes and roll and filter, has improved machining efficiency, and the device is modular structure simultaneously, and the mounting means is simple, and the using-way is nimble.

Drawings

FIG. 1 is a schematic diagram illustrating an overall structure of an apparatus according to an embodiment of the present invention;

FIG. 2 is a partial structural view of the outer side of the box according to the embodiment of the invention;

FIG. 3 is a schematic diagram illustrating an inside structure of a box provided according to an embodiment of the present invention;

fig. 4 is a schematic view of a first perspective exploded view of a press assembly and a screen assembly provided in accordance with an embodiment of the present invention;

figure 5 is a schematic illustration of a second perspective exploded view of a press assembly and a screen assembly provided in accordance with an embodiment of the present invention;

figure 6 shows a schematic view of an explosive arrangement of a screening assembly provided in accordance with an embodiment of the present invention;

FIG. 7 is a schematic diagram illustrating an overall configuration of a compression assembly provided in accordance with an embodiment of the present invention;

FIG. 8 illustrates a schematic diagram of an exploded view of a compression assembly provided in accordance with an embodiment of the present invention;

FIG. 9 is a schematic view of a cam provided in accordance with an embodiment of the present invention in cooperation with a second elastic telescopic rod;

FIG. 10 is a schematic view of the overall structure of a cam provided according to an embodiment of the present invention;

fig. 11 is a schematic diagram illustrating an inner side structure of a cam and a housing according to an embodiment of the present invention.

Illustration of the drawings:

1. a base; 2. a box body; 3. a barrel; 4. a housing; 5. a squeegee; 6. a rotating shaft; 7. a first elastic telescopic rod; 8. a second elastic telescopic rod; 9. a cam; 10. a first guide groove; 11. a second guide groove; 1101. an arc-shaped slot; 1102. a first connecting groove; 1103. a second connecting groove; 12. a groove; 13. a guide plate; 14. a first driving member; 15. a counter; 16. a first screen; 17. a second screen; 18. a baffle plate; 19. a connecting rod; 20. a second driving member; 21. a drive shaft; 22. a drive gear; 23. a first pulley; 24. a second pulley; 25. a third belt pulley; 26. a drive belt; 27. a tension controller; 28. a connecting plate; 29. a support sleeve; 30. a support arm; 31. an adjusting gear; 32. a worm; 33. a seal member; 34. a mounting seat; 35. a guide rail; 36. feeding a hopper; 37. a discharge port; 38. a transmission gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1-11, the present invention provides a technical solution:

an environment-friendly plastic powder processing device comprises a base 1, wherein a box body 2 is arranged at the top of the base 1, a blanking hopper 36 is arranged at the top of the box body 2, a discharge hole 37 is formed in the side surface of the box body 2, two extrusion assemblies are arranged inside the box body 2, sieving assemblies are arranged at the bottoms of the two extrusion assemblies, a driving mechanism in transmission connection with the two extrusion assemblies is arranged at the top of the base 1, and an adjusting mechanism for adjusting the distance between the two extrusion assemblies is arranged at the outer side of the box body 2; the extrusion assembly comprises a cylindrical barrel 3 with two through ends, the two axial ends of the barrel 3 are both rotatably connected with a cylindrical shell 4, the inner spaces of the barrel 3 and the shell 4 are communicated with each other, a plurality of scrapers 5 are arranged inside the barrel 3, the scrapers 5 are annularly and uniformly distributed around the barrel 3 and are all arranged along the radial direction of the barrel 3, a through groove for penetrating the scrapers 5 is formed in the side wall of the barrel 3, a first elastic telescopic rod 7 is fixedly connected with both ends of one side of the scraper 5, which is positioned inside the barrel 3, along the axial direction of the barrel 3, a second elastic telescopic rod 8 is fixedly connected with the telescopic end of the first elastic telescopic rod 7, the second elastic telescopic rod 8 is arranged along the radial direction of the barrel 3, a cam 9 is fixedly connected with the circular inner wall of the shell 4, a first driving part 14 and a counter 15, a first guide groove 10 and a second guide groove 11 which are mutually matched with the telescopic end of the second elastic telescopic rod 8 are arranged on the periphery of the cam 9, a rotating shaft 6 is arranged inside the cylinder 3, and two ends of the rotating shaft 6 penetrate through the two shells 4 at two ends of the cylinder 3; the sieving assembly comprises a first sieve 16 and a second sieve 17, the first sieve 16 and the second sieve 17 are respectively positioned at the bottoms of the two cylinders 3, two ends of the first sieve 16 and the second sieve 17 along the axial direction of the cylinders 3 are fixedly connected with baffle plates 18, the baffle plates 18 are fixedly connected with the shell 4, and connecting rods 19 distributed along the axial direction of the cylinders 3 are arranged between the first sieve 16 and the second sieve 17; the driving mechanism comprises a second driving part 20 arranged at the top of the base 1 and a transmission assembly for driving the two cylinders 3 to rotate reversely, the output end of the second driving part 20 is connected with a driving shaft 21 in a transmission way through the gear transmission assembly, and the driving shaft 21 is connected with the transmission assembly in a transmission way; the adjusting mechanism comprises two supporting components and a worm 32, the supporting components are composed of a supporting sleeve 29 and two supporting arms 30, the supporting sleeve 29 is rotatably connected with the rotating shaft 6, strip-shaped bulges are arranged on two horizontal sides of the supporting sleeve 29, the two supporting arms 30 are respectively rotatably connected with the extending ends of the two bulges, the lower ends of the two supporting arms 30 are rotatably connected with the box body 2, adjusting gears 31 are fixedly connected with the lower ends of the two supporting arms 30 close to each other in the two supporting components, the two adjusting gears 31 are meshed with each other, and one of the adjusting gears 31 is meshed with the worm 32. The thickness of the inner part of the cylinder 3 is 30-50mm, the thickness of the scraper 5 is 8-12mm, at least three scrapers 5 are arranged, the first guide groove 10 is an annular groove which surrounds the periphery of the cam 9 by one circle, the second guide groove 11 is composed of an arc-shaped groove 1101, a first connecting groove 1102 and a second connecting groove 1103, the first connecting groove 1102 and the second connecting groove 1103 are positioned at two ends of the arc-shaped groove 1101, and the first coupling groove 1102 and the second coupling groove 1103 are communicated with the first guide groove 10, and the side wall of the first guide groove 10 opposite to the second coupling groove 1103 has a groove 12, and a guide plate 13 is rotatably connected in the groove 12, the guide plate 13 is fixedly connected with the output end of the first driving piece 14, the depths of the arc-shaped groove 1101 and the first connecting groove 1102 are the same, and the depth of both is less than that of the first guide groove 10, and the depth of both ends of the second connection groove 1103 is the same as that of the first guide groove 10 and the arc-shaped groove 1101, respectively. The first screen 16 and the second screen 17 are both arc-shaped structures, the radian of the first screen 16 is 150 degrees and the radian of the second screen 17 is 240 degrees and 210 degrees, the baffles 18 at both ends of the first screen 16 and both ends of the second screen 17 are both in sliding connection with the connecting rod 19, and the end surface of the connecting rod 19 is in an isosceles triangle structure. The transmission assembly comprises a first belt pulley 23, two second belt pulleys 24, a third belt pulley 25 and a transmission belt 26, the first belt pulley 23 and one second belt pulley 24 are rotatably connected with the box body 2, the other second belt pulley 24 is fixedly connected with the rotating shaft 6 of one extrusion assembly, one end of the rotating shaft 6 of the other extrusion assembly and the second belt pulley 24 rotatably connected with the box body 2 are rotatably connected through two meshed transmission gears 38, and a tension controller 27 connected with the third belt pulley 25 is arranged on the surface of the box body 2. The end face of the first belt pulley 23 is fixedly connected with a driving gear 22, and the outer side of the driving shaft 21 is fixedly connected with a spiral sheet meshed with the driving gear 22. Two arc-shaped guide rails 35 are fixedly connected to the side wall of the transmission component in the box body 2, and the two rotating shafts 6 of the two extrusion components are respectively connected with the two guide rails 35 in a sliding manner. One end of the rotating shaft 6 close to the transmission assembly is rotatably connected with a connecting plate 28 through a bearing, the surface of the box body 2 is provided with a circular through hole, the inner side of the through hole is fixedly connected with a circular mounting seat 34, and a sealing element 33 is arranged between the connecting plate 28 and the mounting seat 34.

Specifically, as shown in fig. 3-5 and fig. 7-11, the extruding assembly includes a cylindrical barrel 3 with two through ends, two axial ends of the barrel 3 are rotatably connected to a cylindrical housing 4, the barrel 3 is communicated with an inner space of the housing 4, a plurality of scrapers 5 are disposed inside the barrel 3, the scrapers 5 are uniformly distributed annularly around the barrel 3 and are disposed along a radial direction of the barrel 3, a through groove for penetrating the scrapers 5 is formed on a sidewall of the barrel 3, two ends of one side of the scraper 5 located inside the barrel 3 along the axial direction of the barrel 3 are fixedly connected to a first elastic telescopic rod 7, a telescopic end of the first elastic telescopic rod 7 is fixedly connected to a second elastic telescopic rod 8, the second elastic telescopic rod 8 is disposed along the radial direction of the barrel 3, a cam 9, a first driving member 14 and a counter 15 are fixedly connected to a circular inner wall of the housing 4, the periphery of cam 9 is provided with first guide way 10 and the second guide way 11 of mutually supporting with the flexible end of second elastic telescopic rod 8, and the inside of barrel 3 is provided with rotation axis 6, and two casings 4 at barrel 3 both ends are all run through to the both ends of rotation axis 6. The thickness of the inner part of the cylinder 3 is 30-50mm, the thickness of the scraper 5 is 8-12mm, at least three scrapers 5 are arranged, the first guide groove 10 is an annular groove which surrounds the periphery of the cam 9 by one circle, the second guide groove 11 is composed of an arc-shaped groove 1101, a first connecting groove 1102 and a second connecting groove 1103, the first connecting groove 1102 and the second connecting groove 1103 are positioned at two ends of the arc-shaped groove 1101, and the first coupling groove 1102 and the second coupling groove 1103 are communicated with the first guide groove 10, and the side wall of the first guide groove 10 opposite to the second coupling groove 1103 has a groove 12, and a guide plate 13 is rotatably connected in the groove 12, the guide plate 13 is fixedly connected with the output end of the first driving piece 14, the depths of the arc-shaped groove 1101 and the first connecting groove 1102 are the same, and the depth of both is less than that of the first guide groove 10, and the depth of both ends of the second connection groove 1103 is the same as that of the first guide groove 10 and the arc-shaped groove 1101, respectively.

When the device is operated, the barrel 3 is driven to rotate to drive the plurality of scrapers 5 to rotate around the cam 9, when the scrapers 5 move, the telescopic ends of the second elastic telescopic rods 8 slide in the first guide grooves 10 and the second guide grooves 11, when the scrapers 5 slide to one side with smaller outer diameter of the cam 9, the scrapers 5 shrink into the barrel 3, and the scrapers 5 are flush with the surface of the barrel 3, so that raw materials are rolled into powder when passing between the two barrels 3, the depth of the first guide grooves 10 at one side with larger outer diameter of the cam 9 is larger than that of the second guide grooves 11, so that when the telescopic ends of the second elastic telescopic rods 8 are positioned in the first guide grooves 10, the scrapers 5 shrink more, the scrapers 5 are not in contact with a screen mesh of a sieving component, the scrapers 5 scrape off parts accumulated on the screen mesh along with rotation, powder can be uniformly distributed, and when the telescopic ends of the second elastic telescopic rods 8 are positioned in the second guide grooves 11, the scrapers 5 shrink less, therefore, the scraper 5 pushes unsieved powder to the space between the two cylinders 3 along with the rotation and the attachment of the screen mesh, secondary rolling is performed, the first driving piece 14 is used for controlling the rotation of the guide plate 13, after the counter 15 counts the number of the scraper 5, the first driving piece 14 is controlled to start the rotation of the guide plate 13, when the guide plate 13 is located in the groove 12, the telescopic end of the second elastic telescopic rod 8 always slides in the first guide groove 10, after the guide plate 13 rotates, the telescopic end of the second elastic telescopic rod 8 slides into the second guide groove 11 from the first guide groove 10, the arrangement of the first driving piece 14 and the guide plate 13 enables the telescopic end of the second elastic telescopic rod 8 to alternately slide in the first guide groove 10 and the second guide groove 11, and therefore the effect of switching the extension length of the scraper 5 from the inside of the cylinder 3 to the outside is achieved.

Specifically, as shown in fig. 4 to 6, the sieving assembly includes a first sieve 16 and a second sieve 17, the first sieve 16 and the second sieve 17 are respectively located at the bottoms of the two cylinders 3, both ends of the first sieve 16 and the second sieve 17 along the axial direction of the cylinders 3 are fixedly connected with a baffle 18, the baffle 18 is fixedly connected with the housing 4, and connecting rods 19 distributed along the axial direction of the cylinders 3 are arranged between the first sieve 16 and the second sieve 17. The first screen 16 and the second screen 17 are both arc-shaped structures, the radian of the first screen 16 is 150 degrees and the radian of the second screen 17 is 240 degrees and 210 degrees, the baffles 18 at both ends of the first screen 16 and both ends of the second screen 17 are both in sliding connection with the connecting rod 19, and the end surface of the connecting rod 19 is in an isosceles triangle structure.

After the raw materials are ground into powder, the powder falls down from between the two cylinders 3 and falls on the first screen 16 and the second screen 17, a discharge hole 37 is formed in one side of the first screen 16, the powder can be pushed out under the pushing of the scraper 5, the upper end of the second screen 17 extends to the top of the cylinders 3, and the powder can be conveyed to between the two cylinders 3 again under the pushing of the scraper 5, so that secondary grinding is performed. The powder meeting the screening requirements will pass through the screen and enter the next layer of the box body 2.

Specifically, as shown in fig. 1-2, the driving mechanism includes a second driving member 20 disposed at the top of the base 1 and a transmission assembly for driving the two cylinders 3 to rotate in opposite directions, an output end of the second driving member 20 is connected to a driving shaft 21 through a gear transmission assembly, and the driving shaft 21 is connected to the transmission assembly in a transmission manner. The transmission assembly comprises a first belt pulley 23, two second belt pulleys 24, a third belt pulley 25 and a transmission belt 26, the first belt pulley 23 and one second belt pulley 24 are rotatably connected with the box body 2, the other second belt pulley 24 is fixedly connected with the rotating shaft 6 of one extrusion assembly, one end of the rotating shaft 6 of the other extrusion assembly and the second belt pulley 24 rotatably connected with the box body 2 are rotatably connected through two meshed transmission gears 38, and a tension controller 27 connected with the third belt pulley 25 is arranged on the surface of the box body 2. The end face of the first belt pulley 23 is fixedly connected with a driving gear 22, and the outer side of the driving shaft 21 is fixedly connected with a spiral sheet meshed with the driving gear 22.

The gear transmission component is composed of two spiral bevel gears, the two spiral bevel gears are respectively and fixedly connected with an output shaft of the second driving part 20 and the driving shaft 21, after the second driving part 20 is started, the driving shaft 21 is driven to rotate, the driving gear 22 is further driven to rotate, and the rotating shafts 6 of the two extrusion components synchronously and reversely rotate under the driving of the driving belt 26 and the driving gear 38.

Specifically, as shown in fig. 2, the adjusting mechanism includes two support assemblies and a worm 32, the support assemblies are composed of a support sleeve 29 and two support arms 30, the support sleeve 29 is rotatably connected with the rotating shaft 6, strip-shaped protrusions are respectively arranged on two horizontal sides of the support sleeve 29, the two support arms 30 are respectively rotatably connected with extending ends of the two protrusions, lower ends of the two support arms 30 are rotatably connected with the box body 2, adjusting gears 31 are fixedly connected with lower ends of two support arms 30 close to each other in the two support assemblies, the two adjusting gears 31 are meshed with each other, and one of the adjusting gears 31 is meshed with the worm 32. Two arc-shaped guide rails 35 are fixedly connected to the side wall of the transmission component in the box body 2, and the two rotating shafts 6 of the two extrusion components are respectively connected with the two guide rails 35 in a sliding manner.

One end of the worm 32 is provided with a rocking handle, the worm 32 is driven to rotate through the rocking handle during use, the worm 32 drives one adjusting gear 31 to rotate, so that the other adjusting gear 31 synchronously rotates reversely, the supporting arms 30 of the two supporting components rotate reversely, the distance between the two cylinder bodies 3 is adjusted, and then the particle size of the ground powder is adjusted when the device operates.

Specifically, as shown in fig. 2, one end of the rotating shaft 6 close to the transmission assembly is rotatably connected with a connecting plate 28 through a bearing, the surface of the box body 2 is provided with a circular through hole, an annular mounting seat 34 is fixedly connected to the inner side of the through hole, and a sealing element 33 is arranged between the connecting plate 28 and the mounting seat 34.

The sealing member 33 is made of dust-proof cloth, and plays a role in preventing dust from escaping from the inside of the box body 2, thereby improving the sealing performance of the whole box body.

In summary, in the environment-friendly processing device for plastic powder provided by this embodiment, the first driving part 14 and the guide plate 13 control the telescopic end of the second elastic telescopic rod 8 to be located in the first guide groove 10 or the second guide groove 11, so that the scraper 5 extends to the outer side of the barrel 3 in different lengths, when the extension distance is short, the accumulated powder is scraped, the powder is uniformly distributed, the powder is easy to sieve, and when the extension distance is long, the powder returns to between the two barrels 3 to be rolled for multiple times, so that the powder fully contacts the barrels 3; meanwhile, the distance between the two cylinders 3 is adjusted through a parallelogram structure formed by the two supporting arms 30 and the supporting sleeve 29, so that the effect of changing the size of the ground powder particles is achieved.

The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The environment-friendly plastic powder processing device comprises a base (1), wherein a box body (2) is arranged at the top of the base (1), a blanking hopper (36) is arranged at the top of the box body (2), and a discharge hole (37) is formed in the side surface of the box body (2), and is characterized in that two extrusion components are arranged inside the box body (2), sieving components are arranged at the bottoms of the two extrusion components, a driving mechanism in transmission connection with the two extrusion components is arranged at the top of the base (1), and an adjusting mechanism for adjusting the distance between the two extrusion components is arranged at the outer side of the box body (2);

the extrusion assembly comprises a cylindrical barrel body (3) with two through ends, wherein the two axial ends of the barrel body (3) are rotatably connected with a cylindrical shell body (4), the barrel body (3) is communicated with the inner space of the shell body (4), a plurality of scraping plates (5) are arranged in the barrel body (3), the scraping plates (5) are uniformly distributed around the barrel body (3) in an annular manner and are arranged along the radial direction of the barrel body (3), a through groove for penetrating through the scraping plates (5) is formed in the side wall of the barrel body (3), one side of each scraping plate (5) positioned in the barrel body (3) is fixedly connected with a first elastic telescopic rod (7) along the two ends of the barrel body (3) in the axial direction, the telescopic end of each first elastic telescopic rod (7) is fixedly connected with a second elastic telescopic rod (8), and the second elastic telescopic rods (8) are arranged along the radial direction of the barrel body (3), a cam (9), a first driving piece (14) and a counter (15) are fixedly connected to the circular inner wall of the shell (4), a first guide groove (10) and a second guide groove (11) which are matched with the telescopic end of the second elastic telescopic rod (8) are formed in the periphery of the cam (9), a rotating shaft (6) is arranged inside the barrel (3), and two ends of the rotating shaft (6) penetrate through the two shells (4) at two ends of the barrel (3);

the screening assembly comprises a first screen (16) and a second screen (17), the first screen (16) and the second screen (17) are respectively positioned at the bottoms of the two cylinders (3), two ends of the first screen (16) and the second screen (17) along the axial direction of the cylinders (3) are fixedly connected with baffles (18), the baffles (18) are fixedly connected with the shell (4), and connecting rods (19) distributed along the axial direction of the cylinders (3) are arranged between the first screen (16) and the second screen (17);

the driving mechanism comprises a second driving part (20) arranged at the top of the base (1) and a transmission assembly for driving the two cylinders (3) to rotate reversely, the output end of the second driving part (20) is in transmission connection with a driving shaft (21) through a gear transmission assembly, and the driving shaft (21) is in transmission connection with the transmission assembly;

the adjusting mechanism comprises two supporting components and a worm (32), the supporting components comprise a supporting sleeve (29) and two supporting arms (30), the supporting sleeve (29) is rotatably connected with the rotating shaft (6), strip-shaped bulges are arranged on two horizontal sides of the supporting sleeve (29), the two supporting arms (30) are respectively rotatably connected with the extending ends of the bulges, the lower ends of the two supporting arms (30) are rotatably connected with the box body (2), the lower ends of the two supporting arms (30) close to each other in the two supporting components are fixedly connected with adjusting gears (31), the two adjusting gears (31) are meshed with each other, and one of the adjusting gears (31) is meshed with the worm (32).

2. The plastic powder environment-friendly processing device as claimed in claim 1, wherein the thickness of the inside of the barrel (3) is 30-50mm, the thickness of the scraper (5) is 8-12mm, at least three scrapers (5) are provided, the first guide groove (10) is an annular groove which surrounds the periphery of the cam (9) for one circle, the second guide groove (11) is composed of an arc-shaped groove (1101), a first connecting groove (1102) and a second connecting groove (1103), the first connecting groove (1102) and the second connecting groove (1103) are positioned at two ends of the arc-shaped groove (1101), the first connecting groove (1102) and the second connecting groove (1103) are both communicated with the first guide groove (10), a groove (12) is formed in the side wall of the first guide groove (10) opposite to the second connecting groove (1103), and a guide plate (13) is rotatably connected in the groove (12), the guide plate (13) is fixedly connected with the output end of the first driving piece (14), the depths of the arc-shaped groove (1101) and the first connecting groove (1102) are the same, the depths of the arc-shaped groove (1101) and the first connecting groove (1102) are both smaller than that of the first guide groove (10), and the depths of two ends of the second connecting groove (1103) are respectively the same as those of the first guide groove (10) and the arc-shaped groove (1101).

3. The environment-friendly plastic powder processing device as claimed in claim 1, wherein the first screen (16) and the second screen (17) are both arc-shaped structures, the radian of the first screen (16) is 150 degrees, the radian of the second screen (17) is 240 degrees, the baffles (18) at both ends of the first screen (16) and both ends of the second screen (17) are slidably connected with the connecting rod (19), and the end surface of the connecting rod (19) is an isosceles triangle structure.

4. The environment-friendly plastic powder processing device as claimed in claim 1, wherein the transmission assembly comprises a first belt pulley (23), two second belt pulleys (24), a third belt pulley (25) and a transmission belt (26), the first belt pulley (23) and one of the second belt pulleys (24) are rotatably connected with the box body (2), the other one of the second belt pulleys (24) is fixedly connected with a rotating shaft (6) of an extrusion assembly, one end of the rotating shaft (6) of the other extrusion assembly and the second belt pulley (24) rotatably connected with the box body (2) are rotatably connected through two meshed transmission gears (38), and a tension controller (27) connected with the third belt pulley (25) is arranged on the surface of the box body (2).

5. An environment-friendly plastic powder processing device as claimed in claim 4, wherein a driving gear (22) is fixedly connected to the end surface of the first belt pulley (23), and a spiral sheet meshed with the driving gear (22) is fixedly connected to the outer side of the driving shaft (21).

6. The environment-friendly plastic powder processing device as claimed in claim 1, wherein two arc-shaped guide rails (35) are fixedly connected to the side wall of the box body (2) opposite to the transmission assembly, and two rotating shafts (6) of the two extrusion assemblies are respectively connected with the two guide rails (35) in a sliding manner.

7. The environment-friendly plastic powder processing device as claimed in claim 1, wherein one end of the rotating shaft (6) close to the transmission assembly is rotatably connected with a connecting plate (28) through a bearing, the surface of the box body (2) is provided with a circular through hole, a circular mounting seat (34) is fixedly connected to the inner side of the through hole, and a sealing element (33) is arranged between the connecting plate (28) and the mounting seat (34).