CN115318402A - High polymer material crushing device and crushing method - Google Patents

High polymer material crushing device and crushing method Download PDF

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Publication number
CN115318402A
CN115318402A CN202210940902.8A CN202210940902A CN115318402A CN 115318402 A CN115318402 A CN 115318402A CN 202210940902 A CN202210940902 A CN 202210940902A CN 115318402 A CN115318402 A CN 115318402A
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China
Prior art keywords
crushing
plate
fixedly connected
wall
polymer material
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CN202210940902.8A
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Chinese (zh)
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杨鸿滨
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Individual
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Priority to CN202210940902.8A priority Critical patent/CN115318402A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • B02C18/142Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with two or more inter-engaging rotatable cutter assemblies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/08Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
    • B02C18/12Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged below container
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16Details
    • B02C18/22Feed or discharge means
    • B02C18/2225Feed means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16Details
    • B02C18/24Drives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/16Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/16Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
    • B02C2023/165Screen denying egress of oversize material
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/52Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/62Plastics recycling; Rubber recycling

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

The invention discloses a high polymer material crushing device and a crushing method, and belongs to the field of high polymer material processing. Open the crushing case that has the second feed chute including the surface, still include: the crushing device comprises a crushing box, a first crushing roller, a first motor, a second crushing roller, a first motor and a second crushing roller, wherein the first crushing roller is rotatably connected in the crushing box; the feeding plate is fixedly connected to the surface of the crushing box, wherein a first feeding groove is formed in the surface of the feeding plate, a first sliding groove is formed in the side wall of the feeding plate, and a first adjusting plate and a second adjusting plate are arranged in the first sliding groove; the high-polymer material crushing box comprises a feeding plate, a supporting box fixedly connected to the side wall of the feeding plate, and a first power mechanism arranged in the supporting box.

Description

High polymer material crushing device and crushing method
Technical Field
The invention relates to the technical field of high polymer material processing, in particular to a high polymer material crushing device and a crushing method.
Background
Macromolecular material is in process of production, sometimes need utilize the rubbing crusher to mix the cubic macromolecular material with other powdered material and smash into the farine, through the retrieval, chinese patent publication No. CN202061656U discloses a macromolecular material rubbing crusher, including the motor, crushing jar, the motor passes through the belt drive and smashes the pivot rotation, it stretches into crushing jar to smash the pivot, crushing jar upper portion is sealed to be fixed with the cover, crushing jar lateral part is equipped with out the powder pipe, it seals the apron to place in the department of going out the powder pipe, it has the three-layer to fix the crushing blade in smashing the pivot, the lower floor is for being close to the arc blade of cambered surface tank bottoms, the intermediate level is straight plate blade, the upper strata is the zigzag blade, zigzag blade comprises horizontal segment and perk section. It has good crushing fineness, and the maximum particle diameter of the crushed material is less than 0.4mm.
The high polymer material rubbing crusher among the above-mentioned prior art in use discovers that does not set up reasonable blanking mechanism, leads to the raw materials once all to fall down to lead to the raw materials can't fully contact with reducing mechanism, and then can't carry out abundant crushing, smash the effect relatively poor, consequently, need improve it.
Disclosure of Invention
The invention aims to solve the problems that the polymer material is difficult to be fully crushed and the crushing effect is poor in the prior art, and provides a polymer material crushing device and a crushing method.
In order to achieve the purpose, the invention adopts the following technical scheme:
a macromolecular material reducing mechanism, includes that the surface opens the crushing case that has the second feed chute, still includes: the crushing device comprises a crushing box, a first crushing roller, a first motor, a second crushing roller, a first crushing blade, a second crushing blade and a second crushing blade, wherein the first crushing roller is rotatably connected in the crushing box, the first crushing blade is arrayed on the outer wall of the first crushing roller, one end of the first crushing roller penetrates through the crushing box, the side wall of the crushing box is provided with the first motor, and the output end of the first motor is fixedly connected with the extension end of the first crushing roller; the feeding plate is fixedly connected to the surface of the crushing box, a first feeding groove is formed in the surface of the feeding plate, the first feeding groove and the second feeding groove are communicated with each other, a first sliding groove is formed in the side wall of the feeding plate, the first sliding groove and the first feeding groove are communicated with each other, a first adjusting plate and a second adjusting plate are arranged in the first sliding groove, and the first adjusting plate and the second adjusting plate are in mirror symmetry; the supporting box is fixedly connected to the side wall of the feeding plate, an inner cavity of the supporting box is communicated with the first sliding groove, a first power mechanism is arranged in the supporting box, and the first power mechanism is used for driving the first adjusting plate and the second adjusting plate to move in opposite directions.
In order to drive the first adjusting plate and the second adjusting plate to move towards each other, preferably, the first power mechanism includes: the second motor is arranged on the surface of the supporting box, wherein the output end of the second motor is fixedly connected with a rotating shaft, the rotating shaft penetrates through the supporting box, and the rotating shaft is rotatably connected with the supporting box; the coaxial fixedly connected with first gear of outer wall of pivot, wherein, it is connected with first bull stick to support the box inner wall rotation, the coaxial fixedly connected with second gear of outer wall of first bull stick, second gear and first gear intermeshing, and first regulating plate is run through in the pivot, pivot and first regulating plate fixed connection, second regulating plate is run through to first bull stick, second regulating plate and first bull stick fixed connection.
In order to improve the first-stage crushing efficiency, preferably, the inner wall of the crushing box is rotatably connected with a second crushing roller, the outer wall array of the second crushing roller is provided with a second crushing blade, the outer wall of the first crushing roller is coaxially and fixedly connected with a third gear, the outer wall of the second crushing roller is coaxially and fixedly connected with a fourth gear, and the fourth gear is meshed with the third gear.
In order to sieve the macromolecular material that accords with the condition, preferably, the inner chamber of smashing the case is provided with the screening board, the screening board is located the bottom of first crushing blade, the crushing blade of second, the inner wall fixedly connected with of smashing the case derives the board, it is located screening board bottom to derive the board, it has the blown down tank to smash the lateral wall of case, it inclines towards the blown down tank to derive the board.
In order to reduce the phenomenon of blocking the sieve pores of the sieving plate, further, the surface of the second adjusting plate is hinged with a push rod, one end of the push rod is fixedly connected with a piston, the surface of the feeding plate is provided with a piston cylinder, the piston is connected to the inner cavity of the piston cylinder in a sliding manner, and one end of the piston cylinder is connected with a flow guide pipe through an air outlet pipe.
In order to carry out the second level to the macromolecular material who is not conform to the condition and smash, furtherly, the surface symmetry of screening board is provided with the second bull stick, the blade is smashed to the outer wall fixedly connected with third of second bull stick, the second bull stick runs through screening board, derivation board, the second bull stick rotates with the derivation board to be connected, the inner wall of smashing the case is provided with and is used for driving the rotatory second power unit of second bull stick.
In order to facilitate driving the second rotating rods to rotate, furthermore, the second power mechanism comprises a third motor arranged on the inner wall of the crushing box, the output end of the third motor is fixedly connected with one of the second rotating rods, the outer wall of each second rotating rod is coaxially and fixedly connected with a chain wheel, and a chain is in transmission connection between every two adjacent chain wheels.
In order to improve screening efficiency, furtherly, the fixed surface of screening board is connected with protrudingly, the arch is located adjacently between the second bull stick, the second spout has been opened on bellied surface, smash the inner wall of case and install the fourth motor, the output fixedly connected with third bull stick of fourth motor, the outer wall symmetry fixedly connected with eccentric wheel of third bull stick is adjacent be provided with first slider between the eccentric wheel, first slider and third bull stick fixed connection, first slider sliding connection is in the second spout.
In order to facilitate the vibration of the screening plate in the axis direction of the third rotating rod, furthermore, baffles are fixedly connected to the two sides of the screening plate, second sliding blocks are fixedly connected to the side walls of the baffles, third sliding grooves are symmetrically and fixedly connected to the inner wall of the crushing box and correspond to the second sliding blocks one to one, and the second sliding blocks are slidably connected into the corresponding third sliding grooves.
A method for crushing high polymer materials comprises the following operation steps:
the method comprises the following steps: the high polymer material is placed in a first feeding groove, and a first power mechanism is controlled to enable the high polymer material to intermittently enter a crushing box;
step two: starting a first motor to drive a first crushing roller and a second crushing roller to rotate, and performing primary crushing on the high polymer material to obtain mixed powder;
step three: the mixed powder falls onto the surface of the screening plate, the fine powder meeting the conditions falls onto the surface of the guide plate, then the fine powder falls into the discharge chute for collection, and a third motor is started to drive a third crushing blade to rotate, so that the coarse powder not meeting the conditions is subjected to secondary crushing on the surface of the screening plate;
step four: in the screening process, a fourth motor is started to drive the eccentric wheel to rotate, so that the screening plate vibrates.
Compared with the prior art, the invention provides a high polymer material crushing device which has the following beneficial effects:
(1) This macromolecular material reducing mechanism, it is rotatory through starting second motor drive pivot, the rotation of pivot drives first gear and rotates, the rotation of first gear drives the second gear and rotates, the rotation of second gear drives first bull stick and rotates, the pivot, the rotation of first bull stick makes first regulating plate, the second regulating plate is kept away from each other or is close to each other, thereby realize opening and closing first feed chute, and then make macromolecular material intermittent type nature get into smash the incasement, once whole phenomena that fall into crushing incasement appear macromolecular material in the reduction, the mode that adopts intermittent type nature feeding can make raw materials and first crushing blade carry out abundant contact, thereby fully smash the raw materials, crushing effect has been promoted.
(2) According to the high polymer material crushing device, the first motor is started to drive the first crushing roller to rotate, the rotation of the first crushing roller drives the third gear to rotate, the rotation of the third gear drives the fourth gear to rotate, the rotation of the fourth gear drives the second crushing roller to rotate, the rotation of the first crushing roller and the second crushing roller drives the first crushing blade and the second crushing blade to rotate oppositely, firstly, the first crushing blade and the second crushing blade are adopted to crush high polymer materials, the contact area between the high polymer materials and the crushing blades is increased, and the crushing efficiency is improved; and secondly, as the first crushing blade and the second crushing blade rotate oppositely, the extrusion force between the first crushing blade and the second crushing blade can ensure that the high polymer material is crushed more sufficiently, and the primary crushing effect is improved.
(3) This macromolecular material reducing mechanism, through the design to the screening board, the mixed raw materials that makes after the primary crushing get falls into the screening board surface, the macromolecular material of conform to the condition falls into the derivation board surface from the sieve mesh of screening board, because the derivation board inclines towards the blown down tank, therefore, the macromolecular material of conform to the condition rolls under the effect of gravity and falls to blown down tank department and collect, and the macromolecular material that is not conform to the condition still is detained on the screening board surface, it rotates to start the second bull stick that third motor drive is connected with it, at the sprocket, under the drive action of chain, make the third smash the blade and rotate, thereby carry out the second level to the macromolecular material that is detained on the screening board surface and smash, until the macromolecular material granule size conforms to the condition.
(4) This macromolecular material reducing mechanism rotates through starting fourth motor drive third bull stick, the rotation of third bull stick drives the eccentric wheel and rotates, through the design to first slider, the second spout, under the eccentric force effect that the eccentric wheel produced, make the screening board shake in Z axle direction, the reduction appears at the screening in-process, bulky macromolecular material shelters from the sieve mesh of screening board, through making the screening board shake at the in-process production of screening, screening efficiency has been improved.
Drawings
Fig. 1 is a schematic structural diagram of a polymer material pulverizing apparatus according to the present invention;
FIG. 2 is a schematic view of a crushing box of a polymer material crushing apparatus according to the present invention;
FIG. 3 is a schematic diagram of a first stage pulverizing structure of a polymer material pulverizing apparatus according to the present invention;
FIG. 4 is a schematic structural diagram of a supporting box in a polymer material pulverizing apparatus according to the present invention;
fig. 5 is a schematic structural diagram of a first power mechanism in the polymer material pulverizing apparatus according to the present invention;
fig. 6 is a schematic partial structural diagram of a polymer material pulverizing apparatus according to the present invention.
In the figure: 1. a crushing box; 2. a first motor; 3. a first crushing roller; 4. a first crushing blade; 5. a feeding plate; 6. a first feed chute; 7. a first chute; 8. a first adjusting plate; 9. a second adjusting plate; 10. a second feed chute; 11. a support box; 12. a second motor; 13. a rotating shaft; 14. a first rotating lever; 15. a first gear; 16. a second gear; 17. a second crushing roller; 18. a second crushing blade; 19. a third gear; 20. a fourth gear; 21. a screening plate; 22. a lead-out plate; 23. a discharge chute; 24. a second rotating rod; 25. a third crushing blade; 26. a third motor; 27. a sprocket; 28. a chain; 29. a protrusion; 30. a second chute; 31. a first slider; 32. a third rotating rod; 33. a fourth motor; 34. an eccentric wheel; 35. a baffle plate; 36. a second slider; 37. a third chute; 38. a push rod; 39. a piston plate; 40. a piston cylinder; 41. an air outlet pipe; 42. and a flow guide pipe.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1 to 4, a polymer material pulverizing apparatus includes a pulverizing box 1 having a second feed chute 10 formed on a surface thereof, and further includes: the high-polymer material crushing device comprises a first crushing roller 3 connected in a crushing box 1 in a rotating mode, a first crushing blade 4 is arranged on the outer wall of the first crushing roller 3 in an array mode, one end of the first crushing roller 3 penetrates through the crushing box 1, a first motor 2 is installed on the side wall of the crushing box 1, the output end of the first motor 2 is fixedly connected with the extending end of the first crushing roller 3, a crushing mechanism is composed of the first motor 2, the first crushing roller 3 and the first crushing blade 4, and high-polymer materials are crushed by the crushing mechanism; the feeding plate 5 is fixedly connected to the surface of the crushing box 1, wherein a first feeding groove 6 is formed in the surface of the feeding plate 5, the first feeding groove 6 is in a circular truncated cone shape, the aperture of one end, close to the crushing box 1, of the first feeding groove 6 is smaller than that of one end, far away from the crushing box 1, of the first feeding groove 6, the first feeding groove 6 is communicated with a second feeding groove 10, a first sliding groove 7 is formed in the side wall of the feeding plate 5, the first sliding groove 7 is communicated with the first feeding groove 6, a first adjusting plate 8 and a second adjusting plate 9 are arranged in the first sliding groove 7, through the design of the first sliding groove 7, the first adjusting plate 8 and the second adjusting plate 9 can slide in the first sliding groove 7 conveniently, so that the opening and closing of the first feeding groove 6 can be adjusted conveniently, meanwhile, the size of the first feeding groove 6 can be adjusted, and the first adjusting plate 8 and the second adjusting plate 9 are in mirror symmetry; the supporting box 11 is fixedly connected to the side wall of the feeding plate 5, an inner cavity of the supporting box 11 is communicated with the first sliding groove 7, a first power mechanism is arranged in the supporting box 11, and the first power mechanism is used for driving the first adjusting plate 8 and the second adjusting plate 9 to move oppositely.
Referring to fig. 4 to 5, the first power mechanism includes: the second motor 12 is installed on the surface of the supporting box 11, wherein the output end of the second motor 12 is fixedly connected with a rotating shaft 13, the rotating shaft 13 penetrates through the supporting box 11, and the rotating shaft 13 is rotatably connected with the supporting box 11; the coaxial fixedly connected with first gear 15 of outer wall of pivot 13, wherein, support box 11 inner wall and rotate and be connected with first bull stick 14, the coaxial fixedly connected with second gear 16 of outer wall of first bull stick 14, second gear 16 and first gear 15 intermeshing to and pivot 13 runs through first regulating plate 8, pivot 13 and 8 fixed connection of first regulating plate, first bull stick 14 runs through second regulating plate 9, second regulating plate 9 and 14 fixed connection of first bull stick.
When the high polymer material crusher is used, high polymer materials are placed in the first feeding groove 6, the high polymer materials enter the crushing box 1 from the second feeding groove 10, the first motor 2 is started to drive the first crushing roller 3 to rotate, the first crushing roller 3 rotates to drive the first crushing blade 4 to rotate, so that the high polymer materials are crushed, in the process that the high polymer materials enter the crushing box 1, the second motor 12 is started to drive the rotating shaft 13 to rotate, the rotating shaft 13 rotates to drive the first gear 15 to rotate, the rotating shaft of the first gear 15 drives the second gear 16 to rotate, the rotating shaft of the second gear 16 drives the first rotating rod 14 to rotate, the rotating shaft 13, the first rotating rod 14 rotates to enable the first adjusting plate 8 and the second adjusting plate 9 to be away from or close to each other, so that the first feeding groove 6 is opened and closed, the high polymer materials enter the crushing box 1 intermittently, the phenomenon that all the high polymer materials fall into the crushing box 1 at one time is reduced, the raw materials can be fully contacted with the first crushing blade 4 by adopting an intermittent feeding mode, so that the raw materials are fully crushed, and the crushing effect is improved.
Example 2:
referring to FIGS. 1 to 3, substantially the same as in example 1, further, a specific embodiment for improving the efficiency of the first-stage pulverization was added.
Because the high polymer material is smashed by rubbing crusher structure alone, crushing dynamics is relatively weak, consequently, the inner wall of smashing case 1 rotates and is connected with second crushing roller 17, and the outer wall array of second crushing roller 17 has second crushing blade 18, and first crushing blade 4 and the mutual interval arrangement of second crushing blade 18, the coaxial fixedly connected with third gear 19 of the outer wall of first crushing roller 3, the coaxial fixedly connected with fourth gear 20 of the outer wall of second crushing roller 17, fourth gear 20 and third gear 19 intermeshing.
The specific working process of the first-stage crushing is as follows: the first motor 2 is started to drive the first crushing roller 3 to rotate, the rotation of the first crushing roller 3 drives the third gear 19 to rotate, the rotation of the third gear 19 drives the fourth gear 20 to rotate, the rotation of the fourth gear 20 drives the second crushing roller 17 to rotate, the rotation of the first crushing roller 3 and the second crushing roller 17 drives the first crushing blade 4 and the second crushing blade 18 to rotate oppositely, and firstly, the first crushing blade 4 and the second crushing blade 18 are adopted to crush the high polymer materials, so that the contact area between the high polymer materials and the crushing blades is increased, and the crushing efficiency is improved; secondly, because first crushing blade 4, the blade 18 is smashed to the second rotates in opposite directions, the extrusion force between first crushing blade 4, the blade 18 is smashed to the second can make macromolecular material smash more fully, has promoted the crushing effect of first order.
Example 3:
referring to fig. 1 and 6, in substantially the same manner as in example 2, a specific embodiment of sieving a polymer material is further added.
Smash the inner chamber of case 1 and be provided with screening board 21, screening board 21 is located the bottom that blade 18 was smashed to first crushing blade 4, second, smashes the inner wall fixedly connected with derivation board 22 of case 1, and derivation board 22 is located screening board 21 bottom, for the convenience collects the macromolecular material that accords with the condition, and the lateral wall of smashing case 1 is opened has blown spout 23, and derivation board 22 inclines towards spout 23.
Because the first-stage crushing is difficult to crush the high polymer material retained on the surface of the screening plate 21, the surface of the screening plate 21 is symmetrically provided with a second rotating rod 24, the outer wall of the second rotating rod 24 is fixedly connected with a third crushing blade 25, the second rotating rod 24 penetrates through the screening plate 21 and the guide plate 22, the second rotating rod 24 is rotatably connected with the guide plate 22, and the inner wall of the crushing box 1 is provided with a second power mechanism for driving the second rotating rod 24 to rotate.
The second power mechanism comprises a third motor 26 arranged on the inner wall of the crushing box 1, the output end of the third motor 26 is fixedly connected with one of the second rotating rods 24, the outer wall of each second rotating rod 24 is coaxially and fixedly connected with a chain wheel 27, and a chain 28 is connected between every two adjacent chain wheels 27 in a transmission manner.
The specific screening process is as follows: the mixed raw material that obtains after smashing by the first order falls into screening board 21 surface, the macromolecular material that accords with the condition (meaning polymer powder particle external diameter is less than the mesh opening aperture of screening board 21) falls into derivation board 22 surface from the mesh opening of screening board 21, because derivation board 22 inclines towards blown down tank 23, therefore, the macromolecular material that accords with the condition rolls down to blown down tank 23 department under the effect of gravity and collects, and the macromolecular material that does not accord with the condition still is detained on screening board 21 surface, start third motor 26 drive and rotate with second bull stick 24 that is connected with it, at sprocket 27, under the transmission of chain 28, make third crushing blade 25 rotate, thereby carry out the second grade to the macromolecular material that is detained on screening board 21 surface and smash, until the macromolecular material particle size accords with the condition.
Example 4:
referring to fig. 1, 2 and 6, substantially the same as example 3, further, the specific embodiment of improving the sieving efficiency is added.
The surface of the second adjusting plate 9 is hinged with a push rod 38, one end of the push rod 38 is fixedly connected with a piston plate 39, the surface of the feeding plate 5 is provided with a piston cylinder 40, the piston plate 39 is connected to the inner cavity of the piston cylinder 40 in a sliding manner, one end of the piston cylinder 40 is connected with a guide pipe 42 through an air outlet pipe 41, the guide pipe 42 is fixed on the inner wall of the crushing box 1 and is positioned above the sieving plate 21, the guide pipe 42 is provided with air outlet holes and blows towards the upper surface of the sieving plate 21, when the second adjusting plate 9 and the first adjusting plate 8 move in an opening and closing manner, the piston plate 39 moves in a reciprocating manner in the piston cylinder 40 under the connecting action of the push rod 38, the guide pipe 42 blows and inhales air through the air outlet holes in a reciprocating manner, through the design of the air outlet pipe 41 and the guide pipe 42, the high polymer materials on the surface of the sieving plate 21 roll back and forth through the movement of the air flow, and further the phenomenon that the high polymer materials are blocked in the sieving holes is reduced.
The surface of the screening plate 21 is fixedly connected with a bulge 29, the bulge 29 is positioned between the adjacent second rotating rods 24, the surface of the bulge 29 is provided with a second sliding groove 30, the inner wall of the crushing box 1 is provided with a fourth motor 33, the output end of the fourth motor 33 is fixedly connected with a third rotating rod 32, the outer wall of the third rotating rod 32 is symmetrically and fixedly connected with eccentric wheels 34, in order to maintain the dynamic balance of the screening plate 21 in the vibration process, the bulge 29 is positioned between the two eccentric wheels 34, a first sliding block 31 is arranged between the adjacent eccentric wheels 34, the first sliding block 31 is fixedly connected with the third rotating rod 32, the first sliding block 31 is slidably connected in the second sliding groove 30, and the vibration amplitude of the screening plate 21 is conveniently limited through the design of the first sliding block 31 and the second sliding groove 30.
Equal fixedly connected with baffle 35 in both sides of screening board 21, through the design to baffle 35, the convenience is at the vibrations in-process of screening board 21, third spout 37 can be sheltered from all the time to baffle 35, it falls into in third spout 37 at screening board 21 vibrations in-process to reduce the polymer powder, the lateral wall fixedly connected with second slider 36 of baffle 35, smash the inner wall symmetry fixedly connected with third spout 37 of case 1, third spout 37 and 36 one-to-one of second slider, 36 sliding connection of second slider are in the third spout 37 that corresponds, through to third spout 37, the design of second slider 36, conveniently restrict screening board 21 can only take place vibrations in the Z axle direction.
Meanwhile, the eccentric wheel 34 drives the screening plate 21 to vibrate and is mutually matched with the flow guide pipe 42, the screening plate 21 drives the crushed high polymer material to shake up and down, meanwhile, the air is blown and sucked in through the air outlet holes in the flow guide pipe 42 in a reciprocating manner to drive the crushed high polymer material to roll back and forth, the crushed high polymer material shakes up and down, horizontal movement is generated, the phenomenon that the screening plate 21 is blocked is avoided, and the screening efficiency is improved.
That is to say, the second adjusting plate 9 not only plays a role of making the high polymer material intermittently enter the crushing box 1, but also synchronously plays a role of avoiding blocking the sieving plate 21 and improving the sieving efficiency by controlling the draft tube 42 in the rotating process.
The specific vibration process of the screening plate 21 is as follows: start fourth motor 33 drive third bull stick 32 and rotate, the rotation of third bull stick 32 drives eccentric wheel 34 and rotates, through to first slider 31, second spout 30's design, under the eccentric force effect that eccentric wheel 34 produced, make screening board 21 shake in the Z axle direction, the reduction appears at the screening in-process, bulky macromolecular material shelters from the sieve mesh of screening board 21, through making screening board 21 shake at the in-process production of screening, screening efficiency has been improved.
A method for crushing high polymer materials comprises the following operation steps:
the method comprises the following steps: placing the high polymer material in a first feeding groove 6, and controlling a first power mechanism to enable the high polymer material to intermittently enter a crushing box 1;
step two: starting a first motor 2 to drive a first crushing roller 3 and a second crushing roller 17 to rotate, and performing first-stage crushing on the high polymer material to obtain mixed powder;
step three: the mixed powder falls on the surface of the screening plate 21, the fine powder meeting the conditions falls on the surface of the guide-out plate 22, then the fine powder falls on the discharge chute 23 for collection, and the third motor 26 is started to drive the third crushing blade 25 to rotate, so that the coarse powder not meeting the conditions is subjected to secondary crushing on the surface of the screening plate 21;
step four: during the screening process, the fourth motor 33 is started to drive the eccentric wheel 34 to rotate, so that the screening plate 21 is vibrated.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts of the present invention are equivalent to or changed within the technical scope of the present invention.

Claims (10)

1. A macromolecular material reducing mechanism, includes that the surface is opened has crushing case (1) of second feed chute (10), its characterized in that still includes:
the crushing device comprises a first crushing roller (3) connected in a crushing box (1) in a rotating mode, a first crushing blade (4) is arrayed on the outer wall of the first crushing roller (3), one end of the first crushing roller (3) penetrates through the crushing box (1), a first motor (2) is installed on the side wall of the crushing box (1), and the output end of the first motor (2) is fixedly connected with the extending end of the first crushing roller (3);
a feeding plate (5) fixedly connected to the surface of the crushing box (1),
wherein the surface of the feeding plate (5) is provided with a first feeding groove (6), the first feeding groove (6) is communicated with a second feeding groove (10), the side wall of the feeding plate (5) is provided with a first sliding chute (7), the first sliding chute (7) is communicated with the first feeding groove (6),
a first adjusting plate (8) and a second adjusting plate (9) are arranged in the first sliding groove (7), and the first adjusting plate (8) and the second adjusting plate (9) are in mirror symmetry;
a supporting box (11) fixedly connected with the side wall of the feeding plate (5), wherein the inner cavity of the supporting box (11) is communicated with the first chute (7),
the support box (11) is internally provided with a first power mechanism which is used for driving the first adjusting plate (8) and the second adjusting plate (9) to move oppositely.
2. The polymer material pulverizing apparatus according to claim 1, wherein the first power mechanism comprises:
a second motor (12) arranged on the surface of the supporting box (11),
the output end of the second motor (12) is fixedly connected with a rotating shaft (13), the rotating shaft (13) penetrates through the supporting box (11), and the rotating shaft (13) is rotatably connected with the supporting box (11);
the outer wall of the rotating shaft (13) is coaxially and fixedly connected with a first gear (15),
wherein, the inner wall of the supporting box (11) is rotationally connected with a first rotating rod (14), the outer wall of the first rotating rod (14) is coaxially and fixedly connected with a second gear (16), the second gear (16) is meshed with the first gear (15),
and first regulating plate (8) is run through in pivot (13), pivot (13) and first regulating plate (8) fixed connection, second regulating plate (9) is run through in first regulating plate (14), second regulating plate (9) and first regulating plate (14) fixed connection.
3. The polymer material crushing device according to claim 1, wherein a second crushing roller (17) is rotatably connected to the inner wall of the crushing box (1), a second crushing blade (18) is arrayed on the outer wall of the second crushing roller (17), a third gear (19) is coaxially and fixedly connected to the outer wall of the first crushing roller (3), a fourth gear (20) is coaxially and fixedly connected to the outer wall of the second crushing roller (17), and the fourth gear (20) and the third gear (19) are meshed with each other.
4. The high polymer material crushing device according to claim 2, wherein a screening plate (21) is arranged in an inner cavity of the crushing box (1), the screening plate (21) is positioned at the bottoms of the first crushing blade (4) and the second crushing blade (18), a guide plate (22) is fixedly connected to the inner wall of the crushing box (1), the guide plate (22) is positioned at the bottom of the screening plate (21), a discharge chute (23) is formed in the side wall of the crushing box (1), and the guide plate (22) inclines towards the discharge chute (23).
5. The polymer material crushing device according to claim 4, wherein a push rod (38) is hinged to the surface of the second adjusting plate (9), a piston plate (39) is fixedly connected to one end of the push rod (38), a piston cylinder (40) is installed on the surface of the feeding plate (5), the piston plate (39) is slidably connected to the inner cavity of the piston cylinder (40), and a guide pipe (42) is connected to one end of the piston cylinder (40) through an air outlet pipe (41).
6. The high polymer material crushing device according to claim 5, wherein second rotating rods (24) are symmetrically arranged on the surface of the sieving plate (21), third crushing blades (25) are fixedly connected to the outer wall of the second rotating rods (24), the second rotating rods (24) penetrate through the sieving plate (21) and the guide plate (22), the second rotating rods (24) are rotatably connected with the guide plate (22), and a second power mechanism for driving the second rotating rods (24) to rotate is arranged on the inner wall of the crushing box (1).
7. The high polymer material crushing device according to claim 6, wherein the second power mechanism comprises a third motor (26) installed on the inner wall of the crushing box (1), the output end of the third motor (26) is fixedly connected with one of the second rotating rods (24), the outer wall of the second rotating rod (24) is coaxially and fixedly connected with a chain wheel (27), and a chain (28) is in transmission connection between adjacent chain wheels (27).
8. The high polymer material crushing device according to claim 6, wherein a protrusion (29) is fixedly connected to the surface of the sieving plate (21), the protrusion (29) is located between the adjacent second rotating rods (24), a second sliding groove (30) is formed in the surface of the protrusion (29), a fourth motor (33) is installed on the inner wall of the crushing box (1), a third rotating rod (32) is fixedly connected to the output end of the fourth motor (33), eccentric wheels (34) are symmetrically and fixedly connected to the outer wall of the third rotating rod (32), a first sliding block (31) is arranged between the adjacent eccentric wheels (34), the first sliding block (31) is fixedly connected with the third rotating rod (32), and the first sliding block (31) is slidably connected in the second sliding groove (30).
9. The high polymer material crushing device according to claim 8, wherein baffle plates (35) are fixedly connected to both sides of the sieving plate (21), second slide blocks (36) are fixedly connected to side walls of the baffle plates (35), third slide grooves (37) are symmetrically and fixedly connected to the inner wall of the crushing box (1), the third slide grooves (37) correspond to the second slide blocks (36) in a one-to-one manner, and the second slide blocks (36) are slidably connected to the corresponding third slide grooves (37).
10. A method for pulverizing a polymer material using the polymer material pulverization apparatus as claimed in any one of claims 1 to 9, characterized by comprising the steps of:
the method comprises the following steps: placing the high polymer material in a first feeding groove (6), and controlling a first power mechanism to enable the high polymer material to intermittently enter a crushing box (1);
step two: starting a first motor (2) to drive a first crushing roller (3) and a second crushing roller (17) to rotate, and performing primary crushing on the high polymer material to obtain mixed powder;
step three: the mixed powder falls onto the surface of the screening plate (21), the fine powder meeting the conditions falls onto the surface of the guide-out plate (22), then the mixed powder falls into a discharge chute (23) to be collected, a third motor (26) is started to drive a third crushing blade (25) to rotate, and the coarse powder not meeting the conditions is subjected to secondary crushing on the surface of the screening plate (21);
step four: during the screening process, a fourth motor (33) is started to drive an eccentric wheel (34) to rotate, so that the screening plate (21) is vibrated.
CN202210940902.8A 2022-08-07 2022-08-07 High polymer material crushing device and crushing method Pending CN115318402A (en)

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