CN117445338A

CN117445338A - Extruder for PP cover plate production and processing and process thereof

Info

Publication number: CN117445338A
Application number: CN202311759178.XA
Authority: CN
Inventors: 孙志刚; 任云
Original assignee: Jiangsu Shangyuan Intelligent Technology Co ltd
Current assignee: Jiangsu Shangyuan Intelligent Technology Co ltd
Priority date: 2023-12-20
Filing date: 2023-12-20
Publication date: 2024-01-26
Anticipated expiration: 2043-12-20
Also published as: CN117445338B

Abstract

The invention relates to the technical field of PP cover plate production and processing, and discloses an extruder for PP cover plate production and processing and a process thereof.

Description

Extruder for PP cover plate production and processing and process thereof

Technical Field

The invention relates to the technical field of PP cover plate production and processing, in particular to an extruder for PP cover plate production and processing and a process thereof.

Background

PP has excellent overall properties with fewer drawbacks and can therefore replace expensive other materials in many ways. Compared with polyethylene, polypropylene can be used at a higher temperature, has better chemical reagent resistance, higher tensile strength and elongation at break than PE and has outstanding rigidity and bending resistance, is called as a hundred-fold glue, and importantly, the PP raw material is easy to obtain, has low production cost and is easy to synthesize and process, so that the PP cover plate is applied on a large scale, and particularly has the production of the PP cover plate.

In the production of the PP cover plate, an extruder is required to be used for mixing various raw materials and then melting and extruding the raw materials so as to facilitate the subsequent production, but the raw materials with different sizes are easy to mix in the existing extruder when the raw materials enter the extruder, when the internal temperature of the extruder is lower, the small-particle raw materials are melted but the large-particle raw materials are not thoroughly melted, when the internal temperature is higher, a certain period of time is required to be spent for melting the raw materials, the extrusion time of the raw materials is prolonged, and the production efficiency of the PP cover plate is greatly reduced.

Disclosure of Invention

The invention aims to provide an extruder for producing and processing a PP cover plate and a process thereof, which are used for solving the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides an extruder is used in PP apron production processing, includes extruder body, processing case, feed inlet, cooling tank, processing unit and cooling unit, the upper end of extruder body is equipped with processing case, the upper end of processing case is fixed and is equipped with the feed inlet, is equipped with processing unit in the processing case, carries out separation screening to the raw materials, one side of extruder body is equipped with the cooling tank, be equipped with cooling unit in the cooling tank, cut the grain cooling to the raw materials that extrude, increase the cooling efficiency to the raw materials, processing unit includes screw rod one, screw rod two, pivot one, sieve, lug one, rotary drum, rubbing crusher constructs and collection mechanism, the extruder body rotation is equipped with screw rod one and screw rod two, just screw rod one and screw rod one's one end rotation is located outside the extruder body, be equipped with actuating mechanism between screw rod one and the screw rod two, the processing incasement rotates and is connected with two pivot one, two equal fixedly connected with on the outer wall of pivot one, movable processing incasement one end is equipped with two rotation mechanism, rotary drum one rotation is equipped with two rotation mechanism, and one rotation mechanism is equipped with the rotary drum one rotation sieve one end is equipped with the rotary drum one and one end is equipped with the sieve, and two rotation mechanism, and one rotation mechanism is equipped with the rotary drum one side is equipped with the sieve.

In a preferred embodiment: the crushing mechanism comprises a material guiding plate, crushing rollers, a rotating shaft ten, a rotating shaft eleven, a rotating shaft twelve, a baffle, a gear three, a ratchet gear two and a torsion spring, wherein a plurality of material guiding plates are arranged at the upper end of a feeding hole, two rotating shafts which are symmetrically distributed are rotationally connected on the inner wall of the feeding hole, the crushing rollers are fixedly connected on the outer wall of the rotating shaft ten, one rotating shaft ten is fixedly connected with an output shaft of a motor three, the other rotating shaft ten is fixedly connected with a ratchet gear two, the ratchet gear two is meshed with the gear three, the rotating shaft eleven is fixedly connected on the inner wall of the gear three, one end of the rotating shaft eleven is rotationally connected with the outer wall of the feeding hole, two baffle plates which are symmetrically distributed are rotationally connected on the inner wall of the processing box, the rotating shaft twelve is fixedly connected with a chain wheel four on the outer wall of the baffle plate, the chain wheels four are in transmission connection through chains, and the torsion spring is arranged between the twelve outer wall of the rotating shaft and the inner wall of the processing box.

In a preferred embodiment: the collecting mechanism comprises an opening, a guide box, a collecting pipe, a collecting box, a collecting tank I and a shielding mechanism, wherein the two sides of the treatment box are respectively provided with an opening, the shielding mechanism is arranged in the opening, raw materials are fully screened, the guide box is fixedly connected to the outer wall of the treatment box corresponding to the opening, one end of the treatment box is fixedly connected with the collecting box, the collecting box is slidably connected with the collecting tank I in the collecting box, the collecting pipe is connected between the guide box and the collecting box, a guide plate is arranged on the inner wall of the guide box, an elastic rubber block I is fixedly arranged on the side wall of the screen plate, the shielding mechanism comprises a second rotating shaft, a sealing plate, a torsion spring and a handle, the two rotating shafts are respectively connected in the openings, a sealing plate is fixedly connected to the outer wall of the second rotating shaft, the torsion spring is arranged between the second rotating shaft and the opening, one end of the second rotating shaft is rotatably arranged outside the treatment box, a handle is fixedly connected to the handle, an elastic rubber block II is arranged on the outer wall of the sealing plate, and one end of the extruder body is provided with a discharge port.

In a preferred embodiment: the device is characterized in that a first spring is arranged between the inner wall of the processing box and the sieve plate, the driving mechanism comprises a motor box, a first motor, a first gear and a second gear, one side of the extruder body is fixedly connected with the motor box, the first motor is installed in the motor box, an output shaft at one end of the first motor is fixedly connected with a second screw, the first gear and the second gear are fixedly connected to the outer walls of the first screw and the second screw respectively, and the first gear is meshed with the second gear.

In a preferred embodiment: the first transmission mechanism comprises a third rotating shaft, a first sprocket, a first chain, a fourth rotating shaft, a first bevel gear, a second bevel gear, a fifth rotating shaft, a third bevel gear, a sixth rotating shaft, a second sprocket, a second chain and a seventh rotating shaft, wherein the third rotating shaft and the fourth rotating shaft are fixedly connected to the inner wall of the rotary drum respectively, one end of the treatment box is rotatably connected with the fifth rotating shaft, one end of the fifth rotating shaft is fixedly connected with the second bevel gear, two sides of the second bevel gear are respectively connected with the first bevel gear and the third bevel gear in a meshed mode, the sixth rotating shaft and the seventh rotating shaft are respectively fixedly connected to the inner wall of the first bevel gear and the inner wall of the third bevel gear, the first sprocket is fixedly connected to the outer walls of the third rotating shaft, the first screw and the sixth rotating shaft respectively, the first sprocket is in transmission connection through the first chain, the second sprocket is fixedly connected to the outer wall of the fourth rotating shaft and the seventh sprocket, the second sprocket is in transmission connection through the second chain, one end of the treatment box is fixedly connected with the fixing box, and the sixth rotating shaft and the seventh rotating shaft are respectively connected with the side walls of the two sides of the fixing box.

In a preferred embodiment: the cooling unit comprises a motor II, a blade, a rotating shaft II, a fan blade, a rotating plate and a collecting tank II, wherein the motor II is arranged in the cooling tank, the blade is movably arranged in the cooling tank through an elastic mechanism with a spring III, the rotating shaft II is rotationally connected to the inner wall of one side of the cooling tank, which is far away from the motor II, one end of the rotating shaft II is fixedly connected with the fan blade, the motor II, the blade and the rotating shaft II are linked through a transmission mechanism II, the motor II is started to drive the blade to slide through the transmission mechanism II and simultaneously drive the rotating shaft II to rotate, the rotating plate elastically rotates in the cooling tank, and the collecting tank II is arranged below the rotating plate and is in sliding connection with the bottom end of the cooling tank.

In a preferred embodiment: the lower extreme fixedly connected with spring two of rotating plate, the lower extreme and the cooling tank inner wall fixed connection of spring two locate the mesh hole diameter of the sieve of handling the case below is less than locates the mesh hole diameter of the sieve of handling the case top.

In a preferred embodiment: the second transmission mechanism comprises a rotating shaft nine, a ratchet wheel I, a toothed plate, a sprocket III and a chain III, wherein an output shaft at one end of the motor II is fixedly connected with the rotating shaft nine, the ratchet wheel I is fixedly connected to the outer wall of the rotating shaft nine, the toothed plate is fixedly connected to the upper end of the blade, the toothed plate is meshed with a tooth slot of the ratchet wheel I, the sprocket III is fixedly connected to the outer wall of the rotating shaft nine and the outer wall of the rotating shaft eight, and the two sprockets are in three-way transmission connection through the chain III.

In a preferred embodiment: the elastic mechanism comprises a spring III and a connecting plate, wherein one end of the toothed plate is fixedly connected with the connecting plate, the connecting plate is in sliding connection with the inner wall of the cooling box, and the spring III is fixedly connected between the upper end of the connecting plate and the inner wall of the upper end of the cooling box.

The process of the extruder for producing and processing the PP cover plate comprises the following specific steps:

step one, raw materials are screened, multiple raw materials are led into a treatment box through a feeding port, a motor I is started, a screw II starts to rotate to drive a gear II to rotate, then the gear I is driven to rotate through a screw to drive one chain wheel I to rotate, then the other two chain wheels I are driven to synchronously rotate through a chain, at the moment, a rotating shaft III and a rotating shaft VI start to rotate, a rotating shaft six rotates to drive a bevel gear I, a bevel gear II starts to drive a bevel gear II to rotate, so that a rotating shaft III is driven to rotate, at the moment, through the arrangement of a chain II and the chain wheel II, a rotating shaft IV starts to rotate, along with the rotation of a rotating shaft III and a rotating shaft IV, two rotating drums start to rotate, a lug II starts to rotate along with the rotating drum, so that two sieve plates start to rotate towards one side under the action of the lug I, at the moment, the two sieve plates reciprocate under the action of a spring I, raw materials entering the treatment box are continuously screened, and raw materials with the same small specification enter an extruder body after being screened by the two sieve plates, and are subjected to subsequent treatment;

extruding raw materials, namely enabling a screw rod I and a screw rod II to start rotating under the action of a motor I, a gear I and a gear II after the sieved raw materials enter the extruder body, extruding the melted and mixed materials out of the extruder body through a discharge hole, and then carrying out subsequent treatment;

step three, the material is cooled, after the material is extruded through the discharge gate, start motor two, drive the nine rotations of pivot along with the start-up of motor two, drive ratchet wheel one and the sprocket three of upper end when the nine rotations of pivot, drive the pinion rack and move down when ratchet wheel one rotates, and then cut off the material of extruding, simultaneously drive the sprocket three rotation of lower extreme through the chain three along with the rotation of upper end sprocket three, and then drive eight rotations of pivot, thereby drive the flabellum and rotate, the flabellum rotates and carries out the forced air cooling to the material that cuts off, simultaneously the material after cutting off drops on two swivel plates, after the material on the swivel plates reaches certain weight, the spring is pushed down, swivel plates rotate, the material after the cooling drops to collecting vat two in unifying and is collected, the material after the collection can fill into the production processing work of the PP apron of different shapes in the mould as required.

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, through the arrangement that the two rotating sieve plates are matched with the sealing plate in the processing unit, the two sieve plates can be used for sieving raw materials with different specifications for multiple times, and the problem that raw materials are not completely sieved out of the opening can be avoided, so that the device can fully sieving raw materials, the efficiency of sieving raw materials is greatly increased, the sieved raw materials with small specifications are put into the extruder body for melting, raw materials with the same size are mixed when the raw materials enter the inside of the extruder body, the raw materials can be thoroughly melted in the extruder body, the problem that small-particle raw materials are melted but not thoroughly melted when the internal temperature of the extruder is low is avoided, a certain time is required to be spent for melting the raw materials when the temperature is high is solved, the time for extruding the raw materials is reduced, the production efficiency of the PP cover plate is greatly increased, the raw materials which are sieved out can be uniformly collected through the arrangement of the processing unit, the raw materials which are collected for secondary treatment can be reused, the raw materials which are collected can be prevented from being wasted, the raw materials which are arranged into the extruder body by the cooling unit can be set up, the PP cover plate can be cooled down in time, and the PP cover plate can be cooled down according to the requirement of the cooling device, and the production cover plate can be cooled by the cooling cover plate, and the PP cover plate can be cooled by the production personnel.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:

FIG. 1 is a schematic diagram of the overall front view of the present invention;

FIG. 2 is a schematic diagram of the overall rear view of the present invention;

FIG. 3 is a schematic view of the front cross-sectional structure of an integral part of the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3A in accordance with the present invention;

FIG. 5 is a schematic view of the internal structure of the guide box of the present invention;

FIG. 6 is a schematic view of the connection structure of the second rotating shaft, the sealing plate and the handle of the present invention;

FIG. 7 is a schematic view of the cooling unit structure of the present invention;

FIG. 8 is a schematic view of the overall rear-view removal holding tank of the present invention;

FIG. 9 is a schematic view of the feed inlet internal top view structure of the present invention;

in the figure: 1. an extruder body; 2. a treatment box; 3. a feed inlet; 4. a cooling box; 5. a first screw; 6. a second screw; 7. a first rotating shaft; 8. a sieve plate; 9. a first bump; 10. a second bump; 11. a rotating drum; 12. an opening; 13. a guide box; 14. a collection pipe; 15. a collection box; 16. a first collecting tank; 17. a second rotating shaft; 18. a sealing plate; 19. a handle; 20. a discharge port; 21. a motor case; 22. a first motor; 23. a first gear; 24. a second gear; 25. a third rotating shaft; 26. a first chain; 27. a rotation shaft IV; 28. bevel gears I; 29. bevel gears II; 30. bevel gears III; 31. a rotating shaft six; 32. a second chain; 33. a rotation shaft seven; 34. a second motor; 35. a blade; 36. a fan blade; 37. a rotating plate; 38. a second collecting tank; 39. a rotating shaft nine; 40. a ratchet wheel I; 41. a toothed plate; 42. a third chain; 43. a third spring; 44. a connecting plate; 45. a fixed box; 46. a material guiding plate; 47. a crushing roller; 48. a rotating shaft ten; 49. a rotating shaft eleven; 50. twelve rotating shafts; 51. a baffle; 52. a third gear; 53. a ratchet gear II; 54. and (3) a chain.

Detailed Description

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

Referring to fig. 1 to 9, the present invention provides the following technical solutions: the extruder for producing and processing the PP cover plate comprises an extruder body 1, a processing box 2, a feed inlet 3, a cooling box 4, a processing unit and a cooling unit, wherein the upper end of the extruder body 1 is provided with the processing box 2, the feed inlet 3 is fixedly arranged at the upper end of the processing box 2, the processing unit is arranged in the processing box 2 and used for separating and screening raw materials, the cooling box 4 is arranged on one side of the extruder body 1, the cooling unit is arranged in the cooling box 4 and used for granulating and cooling extruded raw materials, the cooling efficiency of the raw materials is improved, the processing unit comprises a first screw 5, a second screw 6, a first rotating shaft 7, a sieve plate 8, a first lug 9, a second lug 10, a rotary drum 11, a crushing mechanism and a collecting mechanism, the first screw 5 and the second screw 6 are rotationally arranged in the extruder body 1, one ends of the first screw 5 and the second screw 6 are rotationally arranged outside the extruder body 1, a driving mechanism is arranged between the first screw 5 and the second screw 6, the driving mechanism drives the first screw 5 and the second screw 6 to rotate, the first screw 5 is rotationally connected with the first rotating shafts 7, the outer walls of the first rotating shafts 7 are fixedly connected with the sieve plates 8, the sieve plates 8 are movably arranged in the processing box 2, the lower ends of the sieve plates 8 are fixedly connected with the first protruding blocks 9, the second protruding blocks 10 are arranged below the first protruding blocks 9, one ends of the second protruding blocks 10 are fixedly connected with the rotary drums 11, the rotary drums 11 are rotationally arranged in the processing box 2, the two rotary drums 11 and the first screw 5 are linked through the first transmission mechanism, the first screw 5 is rotationally driven to rotate through the first transmission mechanism, the two sides of the processing box 2 are provided with collecting mechanisms for carrying out subsequent processing on the screened raw materials and then use, the feeding inlet 3 is internally provided with a crushing mechanism, the crushing mechanism is used for crushing large-particle raw materials.

The crushing mechanism comprises a material guiding plate 46, crushing rollers 47, a rotating shaft tenth 48, a rotating shaft eleventh 49, a rotating shaft twelve 50, a baffle plate 51, a gear III 52, a ratchet gear II 53 and a torsion spring, wherein a plurality of material guiding plates 46 are arranged at the upper end of the feeding hole 3, two rotating shafts tenth 48 which are symmetrically distributed are connected in a rotating mode, the crushing rollers 47 are fixedly connected to the outer wall of the rotating shaft tenth 48, one end of the rotating shaft tenth 48 is fixedly connected with an output shaft of a motor III, the other end of the rotating shaft tenth 48 is fixedly connected with a ratchet gear II 53, the ratchet gear II 53 is meshed with a gear III 52, the rotating shaft eleventh 49 is fixedly connected to the inner wall of the gear III 52, one end of the rotating shaft eleventh 49 is rotatably connected with the outer wall of the feeding hole 3, two baffle plates 51 which are symmetrically distributed are rotatably connected to the inner wall of the processing box 2, four chain wheels are fixedly connected to the outer wall of the rotating shaft twelve 50 and the rotating shaft eleventh 49, a plurality of chain wheels are fixedly connected to the outer wall of the rotating shaft eleventh 49, the driving box 54 is connected to the outer wall of the twelve chain 50, the twelve chain wheels are fixedly connected to the outer wall of the rotating shaft eleventh 49, the rotating shaft 52, the driving box is meshed with the idler 52, and the idler wheel is connected with the idler 52, and the idler gear is rotatably connected with the idler gear 52 and the driving gear 52.

The collecting mechanism comprises an opening 12, a guide box 13, a collecting pipe 14, a collecting box 15, a first collecting tank 16 and a shielding mechanism, wherein the opening 12 is arranged on two sides of the processing box 2, the shielding mechanism is arranged in the opening 12, raw materials are fully screened, the guide box 13 is fixedly connected to the outer wall of the processing box 2 corresponding to the opening 12, one end of the processing box 2 is fixedly connected with the collecting box 15, the collecting box 16 is connected to the collecting box 15 in a sliding manner, the collecting pipe 14 is connected between the guide box 13 and the collecting box 15, a guide plate is arranged on the inner wall of the guide box 13, an elastic rubber block I is fixedly arranged on the side wall of the screen plate 8, the shielding mechanism comprises a second rotating shaft 17, a sealing plate 18, a torsion spring and a handle 19, two rotating shafts 17 are respectively connected to the inner side walls of the opening 12, a sealing plate 18 is fixedly connected to the outer walls of the second rotating shaft 17, a torsion spring is arranged between the second rotating shaft 17 and the opening 12, one end of the second rotating shaft 17 is arranged outside the processing box 2, a handle 19 is fixedly connected to the handle 19, a second elastic rubber block 18 is arranged on the outer wall of the sealing plate 18, and a second extruding machine body 20 is arranged at one end of the rubber block 1.

When the device is used, after corresponding work is completed on materials, the two handles 19 are respectively rotated to drive the second rotating shaft 17 to rotate, so that the two sealing plates 18 are driven to rotate towards one side of the material guiding box 13, the opening 12 is opened, the materials screened on the sieve plate 8 fall into the material guiding box 13, then the materials are conveyed into the collecting pipe 14 under the action of the material guiding plate and fall into the collecting groove, so that the screened materials can be collected, then the collected materials can be poured into the feed inlet 3 by workers, the third motor is started to drive the tenth rotating shaft 48 to rotate, the two crushing rollers 47 are further rotated to crush the materials entering the feed inlet 3, the tenth rotating shaft 48 on the left side starts to rotate along with the rotation of the crushing rollers 47, the rotation of the tenth rotating shaft 48 drives the second ratchet gear 53 to rotate, the third gear 52 is further driven to rotate, the eleventh rotating shaft 49 is driven to rotate, the fourth rotating shaft 54 drives the twelve rotating shafts 50 through the fourth sprocket, the fourth rotating shaft 51 can be indirectly opened under the action of the torsion spring, and the crushing effect on the materials is greatly improved.

The device is characterized in that a first spring is arranged between the inner wall of the processing box 2 and the sieve plate 8, the driving mechanism comprises a motor box 21, a first motor 22, a first gear 23 and a second gear 24, one side of the extruder body 1 is fixedly connected with the motor box 21, the first motor 22 is installed in the motor box 21, an output shaft at one end of the first motor 22 is fixedly connected with the second screw rod 6, the first gear 23 and the second gear 24 are respectively fixedly connected to the outer walls of the first screw rod 5 and the second screw rod 6, and the first gear 23 is meshed with the second gear 24.

The first transmission mechanism comprises a third rotating shaft 25, a first sprocket, a first chain 26, a fourth rotating shaft 27, a first bevel gear 28, a second bevel gear 29, a fifth rotating shaft, a third bevel gear 30, a sixth rotating shaft 31, a second sprocket, a second chain 32 and a seventh rotating shaft 33, the third rotating shaft 25 and the fourth rotating shaft 27 are fixedly connected to the inner wall of the rotary drum 11 respectively, one end of the treatment box 2 is rotationally connected with the fifth rotating shaft, one end of the fifth rotating shaft is fixedly connected with the second bevel gear 29, two sides of the second bevel gear 29 are respectively connected with the first bevel gear 28 and the third bevel gear 30 in a meshed manner, the sixth rotating shaft 31 and the seventh rotating shaft 33 are fixedly connected to the inner wall of the first bevel gear 28 and the inner wall of the third bevel gear 30 respectively, the first sprocket 25, the first screw 5 and the outer wall of the sixth rotating shaft 31 are fixedly connected with the first sprocket, a plurality of the first sprockets are in transmission connection through the first chain 26, the second sprocket is fixedly connected to the outer wall of the fourth rotating shaft 27 and the seventh rotating shaft 33, the second sprocket is in transmission connection through the second chain 32, one end of the treatment box 2 is fixedly connected with the fixed box 45, and two sides of the sixth rotating shaft 31 and the side wall of the second rotating shaft 33 are respectively fixedly connected with the side wall 45.

The cooling unit comprises a motor II 34, a blade 35, a rotating shaft eight, a fan blade 36, a rotating plate 37 and a collecting groove II 38, wherein the motor II 34 is arranged in the cooling box 4, the blade 35 is movably arranged in the cooling box 4 through an elastic mechanism with a spring III 43, the rotating shaft eight is rotatably connected to the inner wall of one side of the cooling box 4 far away from the motor II 34, one end of the rotating shaft eight is fixedly connected with the fan blade 36, the motor II 34, the blade 35 and the rotating shaft eight are linked through a transmission mechanism II, the motor II 34 is started to drive the blade 35 to slide through the transmission mechanism II and drive the rotating shaft II to rotate simultaneously, the rotating plate 37 elastically rotates in the cooling box 4, the collecting groove II 38 is arranged below the rotating plate 37, and the collecting groove II 38 is slidably connected with the bottom end of the cooling box 4.

The lower extreme fixedly connected with spring two of swivel plate 37, the lower extreme and the cooling tank 4 inner wall fixed connection of spring two locate the mesh hole diameter of sieve 8 of processing case 2 below is less than the mesh hole diameter of sieve 8 of locating processing case 2 top.

The second transmission mechanism comprises a rotating shaft nine 39, a first ratchet gear 40, a toothed plate 41, a sprocket III and a chain III 42, wherein an output shaft at one end of the second motor 34 is fixedly connected with the rotating shaft nine 39, the outer wall of the rotating shaft nine 39 is fixedly connected with the first ratchet gear 40, the upper end of the blade 35 is fixedly connected with the toothed plate 41, the toothed plate 41 is meshed with a tooth groove of the first ratchet gear 40, the outer wall of the rotating shaft nine 39 and the outer wall of the rotating shaft eight are fixedly connected with the sprocket III, and the two sprockets III are in transmission connection through the chain III 42.

The elastic mechanism comprises a spring III 43 and a connecting plate 44, wherein one end of the toothed plate 41 is fixedly connected with the connecting plate 44, the connecting plate 44 is in sliding connection with the inner wall of the cooling box 4, and the spring III 43 is fixedly connected between the upper end of the connecting plate 44 and the inner wall of the upper end of the cooling box 4.

step one, raw materials are screened, multiple raw materials are led into a processing box 2 through a feed inlet 3, a motor I22 is started, a screw II 6 starts to rotate to drive a gear II 24 to rotate, then a gear I23 is driven to rotate, a gear I23 rotates to drive one sprocket I through a screw I5, then the other two sprockets I are driven to synchronously rotate through a chain I26, at the moment, a rotating shaft III 25 and a rotating shaft VI 31 start to rotate, a rotating shaft VI 31 rotates to drive a bevel gear I28 to rotate, a bevel gear I28 starts to drive a bevel gear II 29 to rotate, a bevel gear II 29 rotates to drive a bevel gear III 30 to drive a rotating shaft seven 33 to rotate, at the moment, a rotating shaft IV 27 starts to rotate through a chain II 32 and a sprocket II, along with the rotation of the rotating shaft III 25 and the rotating shaft IV 27, two rotary drums 11 starts to rotate to drive a lug II 10 along with the rotation of the rotary drums 11, so that two sieve plates 8 start to rotate towards one side under the action of the lug I9, at the moment, the two sieve plates 8 do reciprocating rotation under the action of a spring I, raw materials entering the processing box 2 are screened continuously, raw materials with the same small specification enter into a sieve plate 1 through a sieving body 8, and then are processed;

step two, extruding raw materials, namely, after the sieved raw materials enter the extruder body 1, enabling the screw rod I5 and the screw rod II 6 to start rotating under the action of the motor I22, the gear I23 and the gear II 24, extruding the melted and mixed materials out of the extruder body 1 through the discharge hole 20, and then carrying out subsequent treatment;

step three, the material is cooled, after the material is extruded through the discharge hole 20, the motor II 34 is started, the rotating shaft III 39 is driven to rotate along with the starting of the motor II 34, the ratchet wheel I40 and the chain wheel III at the upper end are driven to rotate during the rotation of the rotating shaft III, the toothed plate 41 is driven to move downwards during the rotation of the ratchet wheel I40, the extruded material is further cut off, meanwhile, the chain wheel III at the lower end is driven to rotate along with the rotation of the chain III at the upper end, the rotating shaft eight is driven to rotate, the fan blade 36 rotates to air-cool the cut material, meanwhile, the cut material falls onto the two rotating plates 37, after the material on the rotating plates 37 reaches a certain weight, the spring II is pressed down, the rotating plates 37 rotate, the cooled material falls into the collecting groove II 38 to be uniformly collected, and the collected material can be filled into different moulds according to requirements to produce and process the PP cover plates with different shapes.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an extruder is used in PP apron production and processing, includes extruder body (1), processing case (2), feed inlet (3), cooling tank (4), processing unit and cooling unit, the upper end of extruder body (1) is equipped with processing case (2), the fixed feed inlet (3) that is equipped with in processing case (2) upper end, is equipped with processing unit in processing case (2), carries out the separation screening to the raw materials, one side of extruder body (1) is equipped with cooling tank (4), be equipped with cooling unit in cooling tank (4), carry out the pelleted cooling to the raw materials of extruding, increase the cooling efficiency to the raw materials, its characterized in that: the processing unit comprises a first screw (5), a second screw (6), a first rotating shaft (7), a screen plate (8), a first protruding block (9), a second protruding block (10), a rotary drum (11), a crushing mechanism and a collecting mechanism, wherein the first screw (5) and the second screw (6) are rotationally arranged in the extruder body (1), one ends of the first screw (5) and the second screw (6) are rotationally arranged outside the extruder body (1), a driving mechanism is arranged between the first screw (5) and the second screw (6), the driving mechanism drives the first screw (5) and the second screw (6) to rotate, the first rotating shaft (7) is rotationally connected with two rotating shafts (2), the two screen plates (8) are fixedly connected to the outer wall of the first rotating shaft (7), the screen plates (8) are movably arranged in the processing box (2), the lower ends of the first protruding block (9) are fixedly connected with the second protruding block (10), one ends of the second protruding block (10) are fixedly connected with one ends of the second protruding block (11), the first rotating shaft (11) is rotationally arranged in the first rotary drum (11), the first rotating shaft (11) is rotationally connected with the second rotating shaft (11), the second rotating shaft (11) is rotationally arranged in the first rotating shaft (11), the two sides of the processing box (2) are provided with collecting mechanisms for carrying out subsequent processing and reuse on the screened raw materials, the feeding port (3) is internally provided with a crushing mechanism, and the crushing mechanism is used for crushing large-particle raw materials.

2. The extruder for producing and processing the PP cover plate according to claim 1, wherein: the crushing mechanism comprises a guide plate (46), crushing rollers (47), a rotating shaft ten (48), rotating shafts eleven (49), twelve rotating shafts (50), baffle plates (51), a third gear (52), a second ratchet gear (53) and torsion springs, wherein a plurality of guide plates (46) are arranged at the upper end of the feeding port (3), two symmetrically distributed rotating shafts eleven (48) are rotationally connected to the outer wall of the feeding port (3), the crushing rollers (47) are fixedly connected to the outer wall of the rotating shaft eleven (48), one end of one rotating shaft eleven (48) is fixedly connected with an output shaft of a third motor, the other rotating shaft eleven (48) is fixedly connected with a second ratchet gear (53), the third ratchet gear (53) is meshed with the third gear (52), the eleven rotating shafts (49) are fixedly connected to the inner wall of the third gear (52), one end of each rotating shaft eleven (49) is rotationally connected with the outer wall of the feeding port (3), two symmetrically distributed baffle plates (51) are rotationally connected to the inner wall of the processing box (2), twelve rotating shafts (50) are fixedly connected to the fourth rotating shafts (50) on the outer wall of the twelve sprocket wheels through the fourth sprocket (50), a torsion spring is arranged between the outer wall of the twelve (50) rotating shafts and the inner wall of the processing box (2).

3. The extruder for producing and processing PP cover plates according to claim 2, characterized in that: the collecting mechanism comprises an opening (12), a guide box (13), a collecting pipe (14), a collecting box (15), a collecting tank I (16) and a shielding mechanism, wherein the opening (12) is formed in two sides of the treatment box (2), the shielding mechanism is arranged in the opening (12) to enable raw materials to be screened fully, the guide box (13) is fixedly connected to the outer wall of the treatment box (2) corresponding to the opening (12), one end of the treatment box (2) is fixedly connected with the collecting box (15), the collecting tank I (16) is connected in the collecting box (15) in a sliding manner, a collecting pipe (14) is connected between the guide box (13) and the collecting box (15), a guide plate is arranged on the inner wall of the guide box (13), an elastic rubber block I is fixedly arranged on the side wall of the screen plate (8), the shielding mechanism comprises a rotating shaft II (17), a sealing plate (18), a torsion spring and a handle (19), a rotating shaft II (17) is fixedly connected in the outer wall of the treatment box (2), a sealing plate (18) is fixedly connected to the outer wall of the rotating shaft II (17), a sealing plate (17) is arranged between the rotating plate II and the rotating plate II (12) and the rotating shaft II (19) is fixedly arranged on the rotating shaft II, one end of the sealing plate (19) is fixedly arranged on the rotating plate II, one end of the extruder body (1) is provided with a discharge port (20).

4. The extruder for producing and processing PP cover plates according to claim 3, wherein: the novel extruder comprises a processing box (2), and is characterized in that a first spring is arranged between the inner wall of the processing box (2) and a sieve plate (8), the driving mechanism comprises a motor box (21), a first motor (22), a first gear (23) and a second gear (24), one side of the extruder body (1) is fixedly connected with the motor box (21), the first motor (22) is installed in the motor box (21), an output shaft of one end of the first motor (22) is fixedly connected with a second screw (6), a first gear (23) and a second gear (24) are fixedly connected to the outer walls of the first screw (5) and the second screw (6) respectively, and the first gear (23) is meshed with the second gear (24).

5. The extruder for producing and processing the PP cover plate according to claim 1, wherein: the first transmission mechanism comprises a rotating shaft III (25), a sprocket I, a chain I (26), a rotating shaft IV (27), a bevel gear I (28), a bevel gear II (29), a rotating shaft V, a bevel gear III (30), a rotating shaft V (31), a sprocket II, a chain II (32) and a rotating shaft V (33), wherein the rotating shaft III (25) and the rotating shaft V (27) are fixedly connected to the inner wall of the rotating drum (11) respectively, one end of the treatment box (2) is rotationally connected with the rotating shaft V (27), one end of the rotating shaft V is fixedly connected with the bevel gear II (29), two sides of the bevel gear II (29) are respectively connected with the bevel gear I (28) and the bevel gear III (30) in a meshed manner, the rotating shaft V (31) and the rotating shaft V (33) are respectively fixedly connected to the inner wall of the bevel gear I (28) and the bevel gear III (30), the sprocket I (25), the sprocket I (5) and the rotating shaft V (31) are respectively fixedly connected to the outer wall of the rotating shaft V (31), a plurality of the sprockets I are connected with the outer wall of the rotating shaft I (26) in a transmission manner, one end of the treatment box (27) is fixedly connected with the two sprockets II (33), one end of the outer wall of the rotating shaft V (27) is fixedly connected with the two sprocket II (45), the rotating shaft six (31) and the rotating shaft seven (33) are respectively and rotatably connected with the side walls of the two sides of the fixed box (45).

6. The extruder for producing and processing the PP cover plate according to claim 1, wherein: the cooling unit comprises a motor II (34), a blade (35), a rotating shaft II, a fan blade (36), a rotating plate (37) and a collecting tank II (38), wherein the motor II (34) is installed in the cooling box (4), the blade (35) is movably arranged in the cooling box (4) through an elastic mechanism with a spring III (43), the cooling box (4) is far away from the motor II (34), the rotating shaft II is rotationally connected to the inner wall of one side of the cooling box, one end of the rotating shaft II is fixedly connected with the fan blade (36), the motor II (34), the blade (35) and the rotating shaft II are linked through a transmission mechanism II, the motor II (34) is started to drive the blade (35) to simultaneously drive the rotating shaft II to rotate, the rotating plate (37) elastically rotates in the cooling box (4), and the collecting tank II (38) is arranged below the rotating plate III, and the collecting tank II (38) is slidingly connected with the bottom end of the cooling box (4).

7. The extruder for producing and processing PP cover plates according to claim 6, wherein: the lower extreme fixedly connected with spring two of rotating plate (37), the lower extreme and the cooling tank (4) inner wall fixed connection of spring two locate mesh hole diameter of sieve (8) of processing case (2) below is less than locates mesh hole diameter of sieve (8) of processing case (2) top.

8. The extruder for producing and processing PP cover plates according to claim 6, wherein: the second transmission mechanism comprises a rotating shaft nine (39), a ratchet wheel one (40), a toothed plate (41), a sprocket three and a chain three (42), wherein an output shaft at one end of the second motor (34) is fixedly connected with the rotating shaft nine (39), the ratchet wheel one (40) is fixedly connected to the outer wall of the rotating shaft nine (39), the toothed plate (41) is fixedly connected to the upper end of the blade (35), the toothed plate (41) is meshed with a tooth groove of the ratchet wheel one (40), the sprocket three is fixedly connected to the outer wall of the rotating shaft nine (39) and the outer wall of the rotating shaft eight, and the two sprockets three are in transmission connection through the chain three (42).

9. The extruder for producing and processing PP cover plates according to claim 8, wherein: the elastic mechanism comprises a spring III (43) and a connecting plate (44), wherein one end of the toothed plate (41) is fixedly connected with the connecting plate (44), the connecting plate (44) is in sliding connection with the inner wall of the cooling box (4), and the spring III (43) is fixedly connected between the upper end of the connecting plate (44) and the inner wall of the upper end of the cooling box (4).

10. The extruder for producing and processing PP cover plates according to any one of claims 1 to 9, characterized in that: the method comprises the following specific steps:

step one, raw material screening, multiple raw materials are led into a processing box (2) through a feeding hole (3), a motor I (22) is started, a screw II (6) starts to rotate to drive a gear II (24) to rotate, then a gear I (23) is driven to rotate, one sprocket I is driven to rotate through a screw I (5), then the other two sprockets I are driven to synchronously rotate through a chain I (26), at the moment, a rotating shaft III (25) starts to rotate with a rotating shaft VI (31), the rotating shaft VI (31) rotates to drive a bevel gear I (28) to rotate, the bevel gear I (28) starts to drive a bevel gear II (29) to rotate, the bevel gear II (29) rotates to drive a bevel gear III (30) to rotate, so as to drive a rotating shaft seven (33) to rotate, at the moment, through the arrangement of a chain II (32) and the sprocket II, a rotating shaft IV (27) starts to rotate, along with the rotation of the rotating shaft III (25) and the rotating shaft IV (27), the rotating drums 11) start to rotate, the rotating drums II (10) start to rotate along with the rotating drums (11), so that under the action of the protruding blocks I (9), the two protruding blocks 8) start to rotate towards one side of the sieve plate 8, and the two sieve plates do not rotate under the action of the protruding block I (9), so that the reciprocating raw material is not enter the processing box (8), the raw materials with the same small specification enter an extruder body (1) after being screened by two screen plates (8) for subsequent treatment;

step two, extruding raw materials, namely enabling a screw rod I (5) and a screw rod II (6) to start rotating under the action of a motor I (22), a gear I (23) and a gear II (24) at the moment after the screened raw materials enter the extruder body (1), extruding the melted and mixed materials out of the extruder body (1) through a discharge hole (20), and then carrying out subsequent treatment;

step three, the material is cooled, after the material is extruded through discharge gate (20), start motor two (34), drive pivot nine (39) rotation along with the start of motor two (34), drive ratchet wheel one (40) and the sprocket three of upper end when pivot nine (39) rotate, drive pinion rack (41) and move down when ratchet wheel one (40) rotates, and then cut off the material of extruding, simultaneously drive sprocket three of lower extreme through chain three (42) along with the rotation of upper end sprocket three and rotate, and then drive eight rotations of pivot, thereby drive flabellum (36) rotation, the flabellum (36) rotates and carries out the forced air cooling to the material that cuts off, simultaneously cut off the material drop on two swivel plates (37), after the material on swivel plates (37) reaches certain weight, spring two pushes down, swivel plates (37) rotate, the material after the cooling drops to collecting vat two (38) in a unifying the collection, the material after the collection can pack into the production processing work of PP apron of different shapes in the mould according to need.