CN115008641B - EVA leftover material direct or indirect recycling process and device - Google Patents
EVA leftover material direct or indirect recycling process and device Download PDFInfo
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- CN115008641B CN115008641B CN202210662612.1A CN202210662612A CN115008641B CN 115008641 B CN115008641 B CN 115008641B CN 202210662612 A CN202210662612 A CN 202210662612A CN 115008641 B CN115008641 B CN 115008641B
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- base station
- cutting
- leftover materials
- leftover
- eva
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- 239000000463 material Substances 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000008569 process Effects 0.000 title claims abstract description 17
- 238000004064 recycling Methods 0.000 title claims abstract description 16
- 238000005520 cutting process Methods 0.000 claims abstract description 65
- 230000007246 mechanism Effects 0.000 claims description 21
- 238000003825 pressing Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 8
- 230000004048 modification Effects 0.000 claims description 8
- 238000012986 modification Methods 0.000 claims description 8
- 239000003963 antioxidant agent Substances 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 6
- 230000003028 elevating effect Effects 0.000 claims description 5
- 239000000314 lubricant Substances 0.000 claims description 5
- 230000003078 antioxidant effect Effects 0.000 claims description 4
- 239000003431 cross linking reagent Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000003607 modifier Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical group [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- 235000010446 mineral oil Nutrition 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000001993 wax Substances 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 230000004956 cell adhesive effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 229940057995 liquid paraffin Drugs 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004209 oxidized polyethylene wax Substances 0.000 description 1
- 235000013873 oxidized polyethylene wax Nutrition 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002530 phenolic antioxidant Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 238000001175 rotational moulding Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/02—Disintegrating by knives or other cutting or tearing members which chop material into fragments with reciprocating knives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
- B02C18/145—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with knives spaced axially and circumferentially on the periphery of a cylindrical rotor unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
- B29B2017/0424—Specific disintegrating techniques; devices therefor
- B29B2017/044—Knives
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
The invention discloses a process and a device for directly or indirectly recycling EVA leftover materials, and relates to the field of leftover material recycling structures. According to the invention, the plurality of rollers compress the leftover bits and push the leftover bits to move to one side on the base, and in the moving process, the plurality of cutting blades cut the compressed leftover bits into a plurality of sections simultaneously, so that the leftover bits and pieces are crushed, the leftover bits and pieces cut into a plurality of sections are pushed continuously and move to one side close to the blanking opening, and the cutting blades cut the plurality of sections of leftover bits and pieces secondarily, so that the leftover bits and pieces are fully granulated, and the effective crushing is completed.
Description
Technical Field
The invention relates to the field of leftover material recycling structures, in particular to a process and a device for directly or indirectly recycling EVA leftover materials.
Background
EVA is formed by copolymerizing ethylene and acetic acid, the application field of EVA is quite wide, the annual market consumption of China is continuously increased, and the EVA is especially applied to soles and interior materials of middle-high grade travel shoes, mountain climbing shoes, slippers and sandals in the shoe industry, and is widely applied to the new energy field, such as photovoltaic materials, solar cell adhesives and the like, and the EVA can be molded and processed by injection molding, extrusion molding, blow molding, calendaring, rotational molding vacuum thermoforming, foaming, coating, heat sealing, welding and the like.
In the prior art, EVA leftover materials are generally recycled, the leftover materials are usually required to be crushed by a crusher in advance, most crushers crush materials in a form of extrusion and stretch breaking, when the EVA materials with high elasticity are crushed by the crushers, the materials are stretched longer, crushed particles are larger, and the crushing effect is poor, so that the EVA leftover materials are directly or indirectly recycled, and the requirements of people are met by the process and the device.
Disclosure of Invention
The utility model provides a recycling technology and device are retrieved directly or indirectly to the EVA leftover bits to solve and put forward in the above-mentioned prior art and generally can retrieve the recycle to EVA leftover bits, generally need advance the breakage through the breaker to the leftover bits, most crushers are broken the material through the form of extrusion stretch breaking, when using this kind of breaker to carry out the breakage to the EVA material that elasticity is higher, can be with the longer of material extension, the granule after the breakage is great, the problem that crushing effect is poor.
In order to achieve the above purpose, the present application provides the following technical solutions:
a process for directly or indirectly recycling EVA leftover materials, comprising:
the first step: crushing
S1, aiming at the scraps with different thicknesses, the height of the square mounting rod is adjusted through the lifting mechanism, so that the plurality of rollers are kept at proper distances from the top side of the base station, and the scraps can conveniently pass through the base station;
s2, throwing the leftover materials into the feeding hole, wherein the first motor drives the rollers to rotate, the rollers compress the leftover materials and push the leftover materials to move to one side on the base, and in the moving process, the plurality of cutting pieces cut the compressed leftover materials into a plurality of sections at the same time, so that the leftover materials are crushed;
s3, continuously pushing the leftover materials cut into multiple sections and moving the leftover materials to one side close to the feed opening, pushing the cutting blade to perform up-and-down reciprocating cutting movement by the telescopic cylinder, enabling the cutting blade to be perpendicular to the cutting blade, and performing secondary cutting on the multiple sections of leftover materials by the cutting blade, so that the leftover materials are fully granulated, and effective crushing is completed;
and a second step of: modification
Adding a modifier into the crushed EAV plastic for modification to obtain a reclaimed material;
and a third step of: banburying
Putting the modified reclaimed materials into an internal mixer, keeping air or nitrogen environment for internal mixing, and simultaneously adding an antioxidant, a lubricant, a softener and a crosslinking agent;
fourth step: open mill
And (3) placing the mixture into an open mill after banburying, wherein the rotation ratio of the double rollers is 1:1.3, and preparing the EVA reclaimed material sheet.
The utility model provides a recycling device is directly or indirectly retrieved to EVA leftover bits, includes the base station, a plurality of support columns are installed to the downside of base station and form a workstation, two circular shafts are installed through elevating system rotation to the topside of base station, two square installation pole is installed to one side that the circular shafts are close to each other, first motor is installed to one side of elevating system, one of them the one end coaxial arrangement of circular shaft is in on the output shaft of first motor, evenly install a plurality of gyro wheels through fixed unit on the square installation pole, a plurality of the gyro wheels all are located the topside of base station and with the base station is certain clearance, be located two adjacent between the gyro wheels on the base station all set up dodge the hole, the downside rotation of base station is installed the axis of rotation, evenly install a plurality of cutting pieces in the axis of rotation, a plurality of one side of cutting pieces runs through corresponding dodge the hole and extends to the topside of base station, power unit is installed to one side of axis of rotation, the topside of base station installs the feed inlet, the base station is installed to the side of base station and is equipped with the telescopic cylinder, one side of base station is kept away from the telescopic link, the telescopic link of base station is installed to one side of base station.
Preferably, the lifting mechanism comprises two lifting columns, two sliding sleeves are arranged on the base station, the two lifting columns are slidably arranged in the corresponding sliding sleeves, the two circular shafts are rotatably arranged on one sides of the corresponding lifting columns, and one sides of the lifting columns are provided with driving mechanisms for driving the lifting columns to slide.
Preferably, the driving mechanism comprises gears, the gears are rotatably installed on the top sides of the base station through fixing seats, racks are installed on one sides of the two lifting columns, the gears are meshed with the corresponding racks, rocking handles are installed on one sides of the two gears, and locking units are installed on the rocking handles.
Preferably, a synchronizing rod is mounted on one side of the two gears, which are close to each other.
Preferably, the locking unit comprises a locking pin, the rocking handle is installed on one side of the gear through the driving shaft, a fixed block is installed on the outer side wall of the driving shaft, one side of the fixed block is close to one side of the fixing seat, an inserting hole is formed in the fixed block, a plurality of limiting holes are formed in the outer side wall of the fixing seat along the driving shaft, and one end of the locking pin penetrates through the inserting hole and the corresponding limiting hole.
Preferably, the power mechanism comprises a second motor, the second motor is installed on one side of the supporting column, belt wheels are installed on the output shaft of the second motor and the rotating shaft in a sleeved mode, and a transmission belt is installed on the two belt wheels in a sleeved mode.
Preferably, the fixing unit comprises a bolt, a plurality of threaded holes are formed in one side of the square mounting rod, an extension sleeve is arranged on one side of the roller, the extension sleeve is sleeved on the square mounting rod, a mounting hole is formed in the extension sleeve, and one end of the bolt penetrates through the mounting hole and is arranged in the threaded hole.
Preferably, a plurality of raised strips are uniformly arranged on the outer circumferential wall of the roller.
Preferably, the clamping rings are arranged on two sides of the roller, and a certain distance is arranged between the outer side wall of the clamping ring and the mounting surface of the raised strip.
Preferably, the locking pin is a sliding pin in sliding connection with the jack, a wire passing channel is arranged on the inner side of the rocking handle, a pull rope is fixedly connected between the sliding pin and the bottom end of the wire passing channel, a plurality of pressing protrusions are arranged at the outer end hand holding part of the rocking handle, a wire supporting rod is fixedly connected to the bottom end of each pressing protrusion, a reset spring is fixedly connected between the sliding pin and the inner wall of the jack and between the wire supporting rod and the inner wall of the wire passing channel, the reset spring is used for resetting the sliding pin and separating from the limiting hole, and the wire supporting rod is reset without expanding the pull rope.
In summary, the invention has the technical effects and advantages that:
1. according to the invention, the plurality of rollers compress the leftover bits and push the leftover bits to move to one side on the base, and in the moving process, the plurality of cutting blades cut the compressed leftover bits into a plurality of sections simultaneously, so that the leftover bits and pieces are crushed, the leftover bits and pieces cut into a plurality of sections are pushed continuously and move to one side close to the blanking port, the telescopic cylinder pushes the cutting blade to do up-down reciprocating cutting movement, the cutting blade and the cutting blade are vertically arranged, and the cutting blade performs secondary cutting on the multi-section leftover bits, so that the leftover bits and pieces are fully granulated, and the effective crushing is completed.
2. According to the invention, through the arrangement of the synchronizing rod, the synchronizing rod is connected with two gears, when one gear rotates, the other gear synchronously rotates, so that the two lifting columns synchronously move, the distances between the plurality of cutting pieces and the base table are ensured to be synchronous and consistent, through the arrangement of the locking pin, when the driving shaft drives the gears to rotate by a certain angle to enable the lifting columns to reach a proper height, the jack on the fixing block is aligned with one of the limiting holes, the locking pin simultaneously penetrates through the jack and the limiting hole to limit the driving shaft to rotate, the locking function is realized, and when the locking is released, the locking pin can be automatically restored by only holding the pressing protrusion where the rocking handle is located, so that the locking pin can be released from the jack, and the unlocking is realized.
3. According to the invention, the plurality of raised strips increase the roughness of the outer circumferential wall of the roller, increase the friction force of the roller to the leftover materials, effectively compress the leftover materials, prevent the leftover materials from sliding during cutting, improve the crushing effect, and prevent the non-extruded parts from being raised, so that the cutting sheets are difficult to cut, insufficient cutting is caused, and the crushing effect is affected.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the overall structure of the present invention;
FIG. 3 is a schematic view of a partial cut-away view of a gear region of the present invention;
FIG. 4 is a schematic view of a partial perspective view of the locking pin area of the present invention;
FIG. 5 is a schematic view of a partial cut-away structure of a dicing sheet area according to the present invention;
FIG. 6 is a schematic view of a partial perspective view of a roller area according to the present invention;
FIG. 7 is a schematic perspective view of the crank of the present invention;
FIG. 8 is a schematic cross-sectional view of the crank of the present invention.
In the figure: 1. a base station; 2. a support column; 3. a sliding sleeve; 4. lifting columns; 5. a circular shaft; 6. a roller; 7. a first motor; 8. a feed inlet; 9. a feed opening; 10. a gear; 11. a telescopic cylinder; 12. a cutting knife; 13. a square mounting bar; 14. a rotating shaft; 15. cutting the sheet; 16. a second motor; 17. a transmission belt; 18. a fixing seat; 19. a rack; 20. a synchronizing lever; 21. a drive shaft; 22. a fixed block; 24. a limiting hole; 25. a rocking handle; 26. a locking pin; 27. a belt wheel; 28. a compression ring; 29. a convex strip; 30. an extension sleeve; 31. a threaded hole; 32. and (5) a bolt.
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.
Example 1: referring to FIGS. 1-8, an EVA leftover material recycling device comprises a base 1, wherein a plurality of support columns 2 are installed on the bottom side of the base 1 and form a workbench, two circular shafts 5 are rotatably installed on the top side of the base 1 through a lifting mechanism, a square installation rod 13 is installed on one side, close to each other, of the two circular shafts 5, a first motor 7 is installed on one side of the lifting mechanism, one end of one circular shaft 5 is coaxially installed on an output shaft of the first motor 7, a plurality of rollers 6 are uniformly installed on the square installation rod 13 through a fixing unit, the plurality of rollers 6 are all located on the top side of the base 1 and form a certain gap with the base 1, avoidance holes are formed in the base 1 between two adjacent rollers 6, a rotating shaft 14 is rotatably installed on the bottom side of the base 1, a plurality of cutting blades 15 are uniformly installed on the rotating shaft 14, one side of the plurality of cutting blades 15 penetrates through the corresponding avoidance holes and extends to the top side of the base 1, a power mechanism is installed on one side of the rotating shaft 14, a feeding port 8 is installed on the top side of the base 1, a plurality of cutting blades 9 are installed on the side, a telescopic cylinder 12 is installed on the side, far from the top side, of the base 1 is provided with a telescopic cylinder 12, and the telescopic cylinder 11 is installed on the side, far from the top side, of the telescopic cylinder 11 is installed on the side, and is far from the top side of the base 1.
Based on above mechanism, to the leftover bits of different thickness, the place height of square installation pole 13 is adjusted through elevating system, make a plurality of gyro wheels 6 keep suitable distance from the topside of base 1, be convenient for the leftover bits pass, throw into the leftover bits from feed inlet 8, first motor 7 drives a plurality of gyro wheels 6 and rotate, a plurality of gyro wheels 6 compress tightly the leftover bits while promote the leftover bits to remove to one side on base 1, in the removal process, a plurality of cutting pieces 15 cut into the multistage with the leftover bits that compress tightly simultaneously, thereby carry out crushing treatment to the leftover bits, the leftover bits that are cut into multistage continue to be promoted and remove to the one side that is close to feed opening 9, telescopic cylinder 11 promotes cutting knife 12 and reciprocates cutting motion from top to bottom, cutting knife 12 is perpendicular setting with cutting piece 15, cutting knife 12 carries out the secondary cutting to the multistage leftover bits, make the leftover bits fully become the granule, accomplish effective crushing.
As shown in fig. 2 and 3, the lifting mechanism comprises two lifting columns 4, two sliding sleeves 3 are installed on the base 1, the two lifting columns 4 are slidably installed in the corresponding sliding sleeves 3, one side of the corresponding lifting column 4 is rotatably installed on the two circular shafts 5, a driving mechanism for driving the sliding of the lifting column 4 is installed on one side of the lifting column 4, the lifting column 4 slides along the sliding sleeves 3 under the action of the driving mechanism through the arrangement of the sliding sleeves 3, so that the vertical distance between the circular shafts 5 on the lifting column 4 and the base 1 is increased or reduced, and the lifting function is realized.
As shown in fig. 3 and 4, the driving mechanism comprises a gear 10, the gear 10 is rotatably mounted on the top side of the base 1 through a fixing seat 18, racks 19 are mounted on one sides of two lifting columns 4, the gear 10 is meshed with corresponding racks 19, a rocking handle 25 is mounted on one side of each gear 10, a locking unit is mounted on the rocking handle 25, the gear 10 is driven to rotate on the fixing seat 18 through the rocking handle 25 through the arrangement of the gear 10, and the racks 19 are moved while the gear 10 rotates under the meshing effect, so that the driving function is realized.
As shown in fig. 3, a synchronizing rod 20 is installed at one side of the two gears 10, which is close to each other, and the synchronizing rod 20 is connected with the two gears 10 through the arrangement of the synchronizing rod 20, when one of the gears 10 rotates, the other gear 10 synchronously rotates, so that the two lifting columns 4 synchronously move, and the distance between the plurality of cutting blades 15 and the base 1 is ensured to be synchronous and consistent.
As shown in fig. 4, the locking unit includes a locking pin 26, a rocking handle 25 is mounted on one side of the gear 10 through a driving shaft 21, a fixed block 22 is mounted on an outer side wall of the driving shaft 21, one side of the fixed block 22 is close to one side of the fixed seat 18, a jack is formed in the fixed block 22, a plurality of limiting holes 24 are formed in the outer side wall of the fixed seat 18 along the driving shaft 21, one end of the locking pin 26 penetrates through the jack and the corresponding limiting hole 24, through the setting of the locking pin 26, when the driving shaft 21 drives the gear 10 to rotate by a certain angle to enable the lifting column 4 to reach a proper height, the jack on the fixed block 22 is aligned with one of the limiting holes 24, and the locking pin 26 penetrates through the jack and the limiting hole 24 at the same time to limit the rotation of the driving shaft 21, so that a locking function is realized.
As shown in fig. 5, the power mechanism comprises a second motor 16, the second motor 16 is installed on one side of the support column 2, the output shaft of the second motor 16 and the rotating shaft 14 are both sleeved with belt wheels 27, the two belt wheels 27 are sleeved with driving belts 17, the second motor 16 drives one belt wheel 27 to rotate, the driving belt 17 drives the other belt wheel 27 to rotate under the effect of the driving belt 17, so that the rotating shaft 14 rotates synchronously, the cutting sheet 15 rotates, and the edges and corners are cut.
As shown in fig. 6, the fixing unit includes a bolt 32, a plurality of threaded holes 31 are provided on one side of the square mounting rod 13, an extension sleeve 30 is installed on one side of the roller 6, the extension sleeve 30 is sleeved on the square mounting rod 13, a mounting hole is provided on the extension sleeve 30, one end of the bolt 32 penetrates through the mounting hole and is installed in the threaded hole 31, the position of the extension sleeve 30 on the square mounting rod 13 is locked by the bolt 32, the roller 6 is fixed, the roller 6 can be quickly disassembled and assembled by the arrangement of the bolt 32, and the convenience of use is increased.
As shown in fig. 6, a plurality of raised strips 29 are uniformly installed on the outer circumferential wall of the roller 6, the raised strips 29 increase the roughness of the outer circumferential wall of the roller 6, increase the friction force of the roller 6 to the scraps, effectively compress the scraps, prevent sliding during cutting, and improve the crushing effect.
As shown in fig. 6, the two sides of the roller 6 are both provided with the pressing ring 28, the outer side wall of the pressing ring 28 is provided with a certain distance from the installation surface of the raised strip 29, when the leftover materials with a certain elasticity are extruded, the non-extruded part is raised, so that the cutting piece 15 is difficult to cut, the pressing ring 28 can increase the pressing effect of the roller 6 on the leftover materials, the local protrusion of the leftover materials is prevented, the cutting is insufficient, and the crushing effect is affected.
Based on another embodiment of the invention: as shown in fig. 7-8, the locking pin 26 is a sliding pin 261 slidably connected with the jack, and is not a detachable structure for directly inserting the jack and the limiting hole 24, a wire passing channel 260 is arranged on the inner side of the rocking handle 25, a pull rope 263 is fixedly connected between the sliding pin 261 and the bottom end of the wire passing channel 260, a plurality of pressing protrusions 264 are arranged at the outer hand holding position of the rocking handle 25, 2 pressing protrusions 264 are arranged in a staggered manner, a wire supporting rod 265 is fixedly connected at the bottom end of each pressing protrusion 264, and a reset spring 262 is fixedly connected between the sliding pin 261 and the inner wall of the jack and between the wire supporting rod 265 and the inner wall of the wire passing channel 260, and is used for resetting the sliding pin 261 and separating from the limiting hole 24, and resetting the wire supporting rod 265 does not prop the pull rope 263. When the crank 25 is held, the pressing protrusion 264 is moved inward by the hand, the stay wire rod 265 is used for dislocating and externally supporting the stay wire 263, the actual length of the stay wire 263 in the wire passing channel 260 is increased, and then the part of the sliding pin 261 in the limiting hole 24 is separated, so that the positioning release is realized, the driving shaft 21 can be rotated at the moment, and when the locking is performed, the crank 25 is stopped to be released only when the required position is reached, and under the reset action of the reset spring 262, the stay wire rod 265 is moved outwards, and the sliding pin 261 enters the limiting hole 24 to be locked, so that the locking is convenient and quick.
A process for directly or indirectly recycling EVA scrap, the process comprising:
the first step: crushing
S1, aiming at the scraps with different thicknesses, the height of the square mounting rod 13 is adjusted through a lifting mechanism, so that the plurality of rollers 6 are kept at a proper distance from the top side of the base 1, and the scraps can conveniently pass through;
s2, throwing the leftover materials into the base station 1 from a feed inlet 8, driving a plurality of rollers 6 to rotate by a first motor 7, pressing the leftover materials by the plurality of rollers 6, pushing the leftover materials to move to one side on the base station 1, and simultaneously cutting the pressed leftover materials into a plurality of sections by a plurality of cutting pieces 15 in the moving process, so as to crush the leftover materials;
s3, continuously pushing the leftover materials cut into multiple sections and moving the leftover materials to one side close to the blanking opening 9, pushing the cutting knife 12 by the telescopic cylinder 11 to perform up-and-down reciprocating cutting movement, enabling the cutting knife 12 to be perpendicular to the cutting piece 15, and performing secondary cutting on the multiple sections of leftover materials by the cutting knife 12, so that the leftover materials are fully granulated, and effective crushing is completed;
and a second step of: modification
Adding modifier (silane coupling agent, epoxy resin, maleic anhydride, isocyanate and the like) into the crushed EAV plastic for modification to obtain reclaimed materials;
and a third step of: banburying
Putting the modified reclaimed materials into an internal mixer, keeping air or nitrogen environment for internal mixing, and simultaneously adding an antioxidant, a lubricant, a softener and a crosslinking agent; the antioxidant is one or more selected from phenolic antioxidants, amine antioxidants, sulfur compound antioxidants and organic metal salt antioxidants; the lubricant is zinc stearate; the lubricant is one or more of liquid paraffin, stearic acid, zinc stearate, calcium stearate, industrial white mineral oil, polyethylene wax, polyether wax and oxidized polyethylene wax; the softener is a mixture of low molecular polyethylene and paraffin; the crosslinking agent comprises stearic acid, zinc stearate and white mineral oil.
Fourth step: open mill
And (3) placing the mixture into an open mill after banburying, wherein the rotation ratio of the double rollers is 1:1.3, and preparing the EVA reclaimed material sheet.
The working principle of the invention is as follows:
the leftover materials with different thicknesses are adjusted to be at the height of the square mounting rod 13 through the lifting mechanism, so that the plurality of rollers 6 are kept at a proper distance from the top side of the base 1, the leftover materials are convenient to pass through, the leftover materials are input from the feeding hole 8, the first motor 7 drives the plurality of rollers 6 to rotate, the plurality of rollers 6 compress the leftover materials and push the leftover materials to move to one side on the base 1, in the moving process, the plurality of cutting blades 15 cut the compressed leftover materials into a plurality of sections simultaneously, the leftover materials are crushed, the leftover materials cut into the sections are pushed continuously and move to one side close to the blanking hole 9, the telescopic cylinder 11 pushes the cutting blade 12 to do up-down reciprocating cutting movement, the cutting blade 12 and the cutting blade 15 are arranged vertically, the cutting blade 12 cuts the multi-section leftover materials for the second time, the leftover materials are enabled to be fully changed into grains, and the effective crushing is completed.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (5)
1. An EVA leftover material directly or indirectly retrieves recycle device, its characterized in that: including base station (1), a plurality of support columns (2) are installed to the downside of base station (1) and form a workstation, two circular shafts (5) are installed through elevating system rotation to the topside of base station (1), two square installation pole (13) are installed to one side that circular shafts (5) are close to each other, first motor (7) are installed to one side of elevating system, one of them one end coaxial arrangement of circular shafts (5) is in on the output shaft of first motor (7), evenly install a plurality of gyro wheels (6) through the fixed unit on square installation pole (13), a plurality of gyro wheels (6) all are located the topside of base station (1) and with base station (1) are certain clearance, dodging the hole has all been seted up to one side that is located between adjacent two gyro wheels (6) on base station (1), the downside rotation of base station (1) installs axis of rotation (14), evenly install a plurality of cutting pieces (15) on axis of rotation (14) a plurality of rotation pieces (15) correspond to one side of base station (1) and dodge the side of base station (1) have a power take-in hole (9), a cutting knife (12) is arranged on one side, far away from the feeding hole (8), of the top side of the base station (1), a telescopic cylinder (11) is arranged on the top side of the base station (1), the telescopic end of the telescopic cylinder (11) is connected with one side of the cutting knife (12), and the cutting knife (12) and the cutting blade (15) are vertically arranged;
the lifting mechanism comprises two lifting columns (4), two sliding sleeves (3) are arranged on the base station (1), the two lifting columns (4) are slidably arranged in the corresponding sliding sleeves (3), the two circular shafts (5) are rotatably arranged on one sides of the corresponding lifting columns (4), and a driving mechanism for driving the lifting columns (4) to slide is arranged on one side of the lifting columns (4);
the driving mechanism comprises a gear (10), the gear (10) is rotatably arranged on the top side of the base (1) through a fixed seat (18), racks (19) are arranged on one sides of the two lifting columns (4), the gear (10) is meshed with the corresponding racks (19), rocking handles (25) are arranged on one sides of the two gears (10), and locking units are arranged on the rocking handles (25);
the locking unit comprises a locking pin (26), the rocking handle (25) is arranged on one side of the gear (10) through a driving shaft (21), a fixed block (22) is arranged on the outer side wall of the driving shaft (21), one side of the fixed block (22) is close to one side of the fixed seat (18), an inserting hole is formed in the fixed block (22), a plurality of limiting holes (24) are formed in the outer side wall of the fixed seat (18) along the driving shaft (21), and one end of the locking pin (26) penetrates through the inserting hole and the corresponding limiting holes (24);
the locking pin (26) is a sliding pin (261) which is in sliding connection with the jack, a wire passing channel (260) is arranged on the inner side of the rocking handle (25), a pull rope (263) is fixedly connected between the sliding pin (261) and the bottom end of the wire passing channel (260), a plurality of pressing protrusions (264) are arranged at the outer end hand holding part of the rocking handle (25), a wire supporting rod (265) is fixedly connected with the bottom end of each pressing protrusion (264), a reset spring (262) is fixedly connected between the sliding pin (261) and the inner wall of the jack and between the wire supporting rod (265) and the inner wall of the wire passing channel (260) and used for resetting the sliding pin (261) and separating from the limiting hole (24), and the pull rope (263) is not stretched when the wire supporting rod (265) is reset;
a plurality of raised strips (29) are uniformly arranged on the outer circumferential wall of the roller (6); the clamping rings (28) are arranged on two sides of the roller (6), and a certain distance is arranged between the outer side wall of each clamping ring (28) and the mounting surface of each raised strip (29).
2. The EVA scrap recycling device according to claim 1, wherein: a synchronizing rod (20) is arranged on one side, close to each other, of the two gears (10).
3. The EVA scrap recycling device according to claim 1, wherein: the power mechanism comprises a second motor (16), the second motor (16) is arranged on one side of the supporting column (2), a belt wheel (27) is sleeved on an output shaft of the second motor (16) and the rotating shaft (14), and a transmission belt (17) is sleeved on the two belt wheels (27).
4. The EVA scrap recycling device according to claim 1, wherein: the fixing unit comprises a bolt (32), a plurality of threaded holes (31) are formed in one side of the square mounting rod (13), an extension sleeve (30) is arranged on one side of the roller (6), the extension sleeve (30) is sleeved on the square mounting rod (13), a mounting hole is formed in the extension sleeve (30), and one end of the bolt (32) penetrates through the mounting hole and is arranged in the threaded hole (31).
5. A process for directly or indirectly recycling EVA scrap, which adopts the recycling apparatus of any one of claims 1 to 4, characterized in that the process comprises:
the first step: crushing
S1, aiming at the scraps with different thicknesses, the height of the square mounting rod (13) is adjusted through the lifting mechanism, so that the plurality of rollers (6) are kept at a proper distance from the top side of the base station (1), and the scraps can conveniently pass through the base station;
s2, throwing the leftover materials into the feeding hole (8), wherein the first motor (7) drives the rollers (6) to rotate, the rollers (6) compress the leftover materials and push the leftover materials to move to one side on the base table (1), and in the moving process, the plurality of cutting pieces (15) cut the compressed leftover materials into a plurality of sections at the same time, so that the leftover materials are crushed;
s3, continuously pushing the leftover materials cut into multiple sections and moving the leftover materials to one side close to the discharging opening (9), pushing the cutting blade (12) by the telescopic cylinder (11) to perform up-and-down reciprocating cutting movement, enabling the cutting blade (12) to be perpendicular to the cutting blade (15), and performing secondary cutting on the multiple sections of leftover materials by the cutting blade (12) to enable the leftover materials to be fully granulated, and finishing effective crushing;
and a second step of: modification
Adding modifier into the crushed EVA plastic for modification to obtain reclaimed materials;
and a third step of: banburying
Putting the modified reclaimed materials into an internal mixer, keeping air or nitrogen environment for internal mixing, and simultaneously adding an antioxidant, a lubricant, a softener and a crosslinking agent;
fourth step: open mill
And (3) placing the mixture into an open mill after banburying, wherein the rotation ratio of the double rollers is 1:1.3, and preparing the EVA reclaimed material sheet. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210662612.1A CN115008641B (en) | 2022-06-13 | 2022-06-13 | EVA leftover material direct or indirect recycling process and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210662612.1A CN115008641B (en) | 2022-06-13 | 2022-06-13 | EVA leftover material direct or indirect recycling process and device |
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| CN115008641B true CN115008641B (en) | 2024-03-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN207190040U (en) * | 2017-07-03 | 2018-04-06 | 台州市亿奇塑业科技有限公司 | A kind of plastic grain forming machine bar plastic reducing mechanism |
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| CN115008641A (en) | 2022-09-06 |
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