CN117885171A - Medium-high density fiberboard production waste recycling equipment - Google Patents
Medium-high density fiberboard production waste recycling equipment Download PDFInfo
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- CN117885171A CN117885171A CN202410248607.5A CN202410248607A CN117885171A CN 117885171 A CN117885171 A CN 117885171A CN 202410248607 A CN202410248607 A CN 202410248607A CN 117885171 A CN117885171 A CN 117885171A
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- 239000011094 fiberboard Substances 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 239000002699 waste material Substances 0.000 title claims abstract description 24
- 238000004064 recycling Methods 0.000 title claims description 15
- 239000000428 dust Substances 0.000 claims description 136
- 230000005540 biological transmission Effects 0.000 claims description 52
- 238000012216 screening Methods 0.000 claims description 51
- 238000001914 filtration Methods 0.000 claims description 42
- 238000003860 storage Methods 0.000 claims description 38
- 239000002023 wood Substances 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 19
- 238000000926 separation method Methods 0.000 claims description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 238000010298 pulverizing process Methods 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 6
- 239000004809 Teflon Substances 0.000 claims description 5
- 229920006362 Teflon® Polymers 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 4
- 206010024796 Logorrhoea Diseases 0.000 claims description 3
- 229920002522 Wood fibre Polymers 0.000 abstract description 30
- 239000002025 wood fiber Substances 0.000 abstract description 30
- 238000011084 recovery Methods 0.000 abstract description 7
- 239000002245 particle Substances 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 5
- 238000007873 sieving Methods 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000227 grinding Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 244000309464 bull Species 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 239000002916 wood waste Substances 0.000 description 1
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- Crushing And Pulverization Processes (AREA)
Abstract
The invention relates to the technical field of fiberboard production waste recovery, and discloses medium-high density fiberboard production waste recovery equipment which comprises a timber crusher. This well high density fiberboard production waste recovery equipment, through setting up helical blade and filter screen, drive helical blade rotates repeatedly, overturns repeatedly the piece that produces crushing case, and the small-size wood fiber that accords with the specification falls down through the filter screen, and does not smash thorough big particle diameter wood fiber by helical blade upset, until near taking the second discharge opening to drop down, plays the purpose of collecting respectively the wood fiber of equidimension not.
Description
Technical Field
The invention relates to the technical field of fiberboard production waste recovery, in particular to medium-high density fiberboard production waste recovery equipment.
Background
The fiber board is an artificial board which is formed by interweaving lignocellulose fibers and is made of inherent adhesive performance, and along with the rapid development of economy and continuous improvement of urban rate in China, the fiber board has stable quality, high environmental protection level, wide market space, meets the requirements of differentiation and has safe flame retardance, wherein the medium-density fiber board is an ideal artificial board for manufacturing furniture, has a structure which is even compared with natural wood, avoids the problems of decay, worm damage and the like, and has small swelling and shrinkage and is convenient to process. In the actual production process, some wood waste materials can be recycled, crushed, mixed with adhesive, waterproofing agent and the like, and molded at high temperature and high pressure.
However, the existing waste recycling equipment for high-density fiberboard production has the following defects:
1. the screening is incomplete, and some fibrous residues with large particle diameters are not thoroughly crushed by the crushing mechanism and need to be screened out by the screening mechanism, and the existing screening mechanism is generally a screening net.
2. The waste of resources, in the crushing process, a large amount of wood dust is generated, and the wood fiber particles are dispersed in the air to influence the factory environment, and meanwhile, the fine wood dust particles can help to improve the density and strength of the fiber board, so that the fiber board can be utilized, and if the fiber board is not recycled, the resources are wasted.
Disclosure of Invention
In view of the problems that the existing timber recovery screening mechanism in the prior art is poor in screening effect and cannot recover timber dust, the waste recovery device for medium-high density fiberboard production is provided.
The application provides a medium-high density fiberboard production waste recycling equipment, its aim at: solves the problems that the existing timber recycling and screening mechanism is poor in screening effect and cannot recycle timber dust.
The technical scheme of the invention is as follows: the utility model provides a medium-high density fiberboard production waste recycling equipment, includes timber rubbing crusher, the timber rubbing crusher includes the work frame, sets up in the driving motor of work frame inner bottom, sets up the first drive belt in driving motor output, sets up the reduction gear on the work frame, and first drive belt is connected with the input transmission of reduction gear, sets up the axis of rotation of reduction gear output, sets up crushing case on the work frame to and set up in crushing incasement through axis of rotation swivelling joint's blade, still include the crushing unit that sets up on the timber rubbing crusher; the pulverizing unit includes: set up the screening part in smashing the incasement, screening part includes: the device comprises a discharge hopper arranged at the bottom of a crushing box, a screening barrel arranged at the bottom of the discharge hopper, a screw rod arranged in the screening barrel, a screw blade arranged on the wall of the screw rod, a first discharge hole and a second discharge hole arranged at the bottom of the screening barrel, a filter screen arranged at the inner wall of the first discharge hole, a second transmission belt arranged in a working frame, a driving shaft arranged at the output end of a driving motor and a belt pulley I arranged at one end of the driving shaft; the first belt pulley is in transmission connection with the second transmission belt, the second transmission belt is in transmission connection with the second belt pulley, the spiral rod movably penetrates through the outer end of the screening barrel, and one side of the second belt pulley is fixedly connected with one end of the spiral rod.
By adopting the technical scheme, the driving motor drives the spiral blade to rotate in the process through the second transmission belt, the generated scraps are repeatedly turned over, small-grain-diameter wood fibers meeting the specification fall down through the filter screen, and large-grain-diameter wood fibers which are not thoroughly crushed are turned over by the spiral blade until the wood fibers are brought to the vicinity of the second discharge hole, and fall down from the second discharge hole.
Further, the bottom of screening section of thick bamboo is close to first discharge opening department and is provided with the blanking fill, the bottom of blanking fill is provided with the unloading pipe, the bottom of unloading pipe is provided with the storage tank, the bottom of screening section of thick bamboo is close to second discharge opening department and is provided with row material pipe, the bottom of row material pipe is provided with the garrulous case of waiting.
By adopting the technical scheme, the wood fibers falling through the filter screen are collected by the storage tank, but the wood fibers which fail to pass through the filter screen are brought to the second discharge hole by the spiral blade and finally fall into the box to be crushed, and then the wood fibers can be poured into the crushing box to be crushed again.
Further, the pulverizing unit further includes: the aggregate component is arranged in the storage tank; the aggregate component includes: the device comprises a gear motor arranged at the top of a storage tank, a transmission shaft arranged at the output end of the gear motor, a multi-tooth transmission wheel arranged on the shaft wall of the transmission shaft, a movable bearing arranged at the bottom of a blanking hopper, a rotating rod arranged in the movable bearing, a few-tooth transmission wheel arranged on the shaft wall of the rotating rod, an impeller, an air blast cover arranged outside the impeller, a negative pressure pipe I arranged at the bottom of the air blast cover, a dust collecting ring plate, a separation plate I and a separation plate II arranged in the storage tank, a pair of dust filtering hoppers arranged at the bottom of the dust collecting ring plate, a negative pressure pipe II arranged at the outer end of a screening cylinder and a sealing plate arranged at the outer end of the blanking pipe; the multi-tooth driving wheel is connected with the few-tooth driving wheel in a meshed mode, one end of the negative pressure pipe I is fixedly penetrated into the storage tank and located below the dust filtering hopper, one end of the negative pressure pipe II is fixedly penetrated into the storage tank, and the bottom of the discharging pipe is penetrated below the sealing plate.
By adopting the technical scheme, the speed reducing motor is started, the speed reducing motor drives the multi-tooth driving wheel to rotate, the multi-tooth driving wheel drives the impeller to rotate through the few-tooth driving wheel, so that negative pressure air is generated, wood dust in the screening cylinder is absorbed through the negative pressure pipe I and the negative pressure pipe II, and the wood dust can be left above the dust filtering hopper through the dust filtering hopper.
Further, the crushing unit still includes the drive unit who sets up in the unloading outside pipe, the drive unit includes: the blanking device comprises a driven wheel arranged on the wall of a blanking pipe, a plurality of arc-shaped parts which are arranged on the driven wheel and are in a circumferential array, a first movable hole arranged between the arc-shaped parts, a driving wheel arranged on the shaft wall of a transmission shaft, and a second bolt and a second movable hole arranged on the driving wheel; the outer wall of the arc-shaped part is mutually matched with the outer wall of the driving wheel, and the outer end of the arc-shaped part moves in the second movable hole.
By adopting the technical scheme, the gear motor also rotates with the driving wheel, when the bolt rotates into the first movable hole, the gear motor contacts with the driven wheel, and after the bolt rotates for 90 degrees with the driven wheel, the gear motor leaves the first movable hole, the outer wall of the driving wheel contacts with the outer part of the arc-shaped part, the driven wheel is prevented from continuously rotating, and the purpose of intermittent rotation of the driven wheel is realized.
Further, smashing the unit still including setting up in the accuse material part of filter dust hopper bottom, accuse material part includes: the device comprises a dust outlet hole arranged at the bottom of a dust filtering hopper, a fixed ring arranged in the dust outlet hole, a conical hopper arranged in the fixed ring in a sliding manner, a resetting piece arranged between the conical hopper and the fixed ring, a first magnetic ring arranged at the bottom of the conical hopper, a blanking hole arranged on a sealing plate and a second magnetic ring arranged in the blanking hole; the magnetic poles of the opposite faces of the first magnetic ring and the second magnetic ring are the same.
By adopting the technical scheme, when the second magnetic ring is close to the first magnetic ring, the second magnetic ring gives a repulsive force to the first magnetic ring due to the same magnetic poles, the magnetic ring is lifted with the conical hopper, so that the dust outlet hole is exposed, wood dust close to the bottom of the dust filtering hopper begins to slide downwards, and falls from the dust outlet hole and the blanking hole respectively to be stored together with wood fibers.
Further, smashing the unit still including setting up the shake part in dust filter bucket top, shake the part and include: the device comprises a rotating shaft arranged at the other output end of the gear motor, a hollow rod arranged on the shaft wall of the rotating shaft, a movable rod movably arranged in the hollow rod, a ball striking device arranged at the top end of the movable rod, and an elastic piece arranged in the cavity of the hollow rod and at the bottom end of the movable rod.
By adopting the technical scheme, the other end of the speed reducing motor starts to rotate and drives the four hollow rods to rotate, the hollow rods drive the striking balls to strike the blanking pipe through the movable rods, and the outer wall of the blanking pipe is connected with the two dust filtering hoppers, so that the aim of striking a pair of dust filtering hoppers can be fulfilled.
Further, the hitting balls are made of elastic materials, and a Teflon coating is sprayed on the outer wall of the dust filtering bucket.
By adopting the technical scheme, the Teflon coating can reduce the viscosity of the dust filter, and effectively shake off wood dust from the dust filter.
Further, a material receiving box is arranged below the sealing plate, a bottom plate is arranged at the bottom of the material receiving box, a ring cover plate is arranged at the top of the bottom plate, the ring cover plate is connected with the storage tank in a clamping manner, and a handle is arranged at the outer end of the ring cover plate.
The invention has the beneficial effects that:
1. through setting up helical blade and filter screen, utilize the rubbing crusher from the driving motor of taking, drive helical blade rotates repeatedly, overturn repeatedly the piece that produces crushing case, the small-size wood fiber that accords with the specification falls down through the filter screen, and the thorough big particle diameter wood fiber of not smashing is overturned by helical blade, until near falling down to the second discharge hole, thereby not only realized sieving repeatedly wood fiber, the number of times of sieving is the positive correlation with filter screen length, effectively improve screening effect, can also play unidirectional movement's purpose to the wood fiber that can't pass through the filter screen simultaneously, finally play the purpose of collecting respectively the wood fiber of equidimension not.
2. Through setting up impeller, dust filter, negative pressure pipe one and negative pressure pipe two, utilize big tooth number gear to drive little tooth number gear drive, can accelerate impeller pivoted speed, the negative pressure wind of production is respectively through negative pressure pipe one and negative pressure pipe two, can realize absorbing the inside wooden dirt of screening section of thick bamboo purpose, can leave the dust filter inside the dust filter with the dust filter simultaneously, can not scatter and disappear to the external world, influences external environment.
3. Through setting up action wheel and follow driving wheel, utilize gear motor to bring the action wheel rotation, utilize bolt and the cooperation of movable hole one, can play unloading pipe intermittent type nature pivoted purpose to after every dust filter bucket work a period, automatic switch over to the another side, effectively avoid dust filter bucket live time overlength, the problem of influence filter effect is blocked easily.
4. Through setting up toper fill, magnetic ring one and magnetic ring two, magnetic ring two are close to magnetic ring one, and magnetic force makes the magnetic ring take the toper fill to rise, and the dust outlet hole exposes, and the wood dust that is close to the dust filter bottom of the fill begins to slide down, and the wood dust of remaining dust filter falls down from dust outlet hole and blanking hole respectively, stores with wood fiber together, not only can avoid the dust filter net to block up, can also carry out recycle to the wood dust that the cutting timber produced simultaneously.
5. Through setting up batting ball, movable rod and hollow pole, gear motor's the other end is brought four hollow poles and is rotated, and hollow pole will be through the movable rod with batting ball striking unloading pipe, and the outer wall of unloading pipe is connected with two dust filter hoppers to can play the mesh of striking a pair of dust filter hoppers, accelerate the speed of wood dust from the landing on the dust filter hoppers.
Drawings
FIG. 1 is a schematic view of the overall external structure of the present invention;
FIG. 2 is a schematic view of the structure of the present invention in partial cross-section;
FIG. 3 is a schematic view of the screen member of the present invention;
FIG. 4 is a schematic cross-sectional view of a screen cartridge of the present invention;
FIG. 5 is a schematic view of the structure of the material receiving box of the present invention;
FIG. 6 is a schematic cross-sectional view of a storage tank according to the present invention;
FIG. 7 is a schematic view of the aggregate component structure of the present invention;
FIG. 8 is a schematic diagram of the structure of the transmission component of the present invention;
FIG. 9 is a schematic bottom view of the seal plate of the present invention;
FIG. 10 is an enlarged schematic view of the structure of FIG. 9A according to the present invention;
FIG. 11 is a schematic diagram of the structure of the dithering unit of the present invention;
fig. 12 is a schematic view of the internal structure of the hollow bar of the present invention.
In the figure:
1. a timber pulverizer; 11. a work frame; 12. a driving motor; 13. a first belt; 14. a speed reducer; 15. a rotating shaft; 16. a crushing box; 2. a screening element; 21. a discharge hopper; 22. a sieving cylinder; 23. a drive shaft; 24. a first belt pulley; 25. a second belt; 26. a belt pulley II; 27. a screw rod; 28. a helical blade; 29. a filter screen; 210. a second discharge hole; 211. a discharge pipe; 212. a blanking hopper; 213. discharging pipes; 214. a storage tank; 215. a box to be crushed; 216. a first discharge hole; 3. an aggregate component; 31. a speed reducing motor; 32. a transmission shaft; 33. a multi-tooth driving wheel; 35. a rotating rod; 36. a few-tooth driving wheel; 37. an impeller; 38. a blower cover; 39. a negative pressure pipe I; 310. a dust collecting ring plate; 311. a first separation plate; 312. a second separation plate; 313. a dust filtering hopper; 314. a negative pressure pipe II; 315. a sealing plate; 316. a material receiving box; 317. a bottom plate; 318. a ring cover plate; 4. a transmission member; 41. driven wheel; 42. an arc-shaped portion; 43. a movable hole I; 44. a driving wheel; 45. a movable hole II; 46. a plug pin; 5. a material control component; 51. a fixing ring; 52. a conical hopper; 53. a reset member; 54. a first magnetic ring; 55. a blanking hole; 56. a second magnetic ring; 6. a dithering unit; 61. a rotating shaft; 62. a hollow rod; 63. a movable rod; 64. hitting a ball; 65. an elastic member.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
1, referring to fig. 1 to 4, as a first embodiment of the present invention, a medium-high density fiberboard production waste recycling apparatus is provided, which comprises a log grinder 1, the log grinder 1 comprises a work frame 11, a driving motor 12 arranged at the inner bottom of the work frame 11, a first driving belt 13 arranged at the output end of the driving motor 12, a decelerator 14 arranged on the work frame 11, the first driving belt 13 is in transmission connection with the input end of the decelerator 14, a rotating shaft 15 arranged at the output end of the decelerator 14, a grinding box 16 arranged on the work frame 11, and a blade arranged in the grinding box 16 and rotationally connected through the rotating shaft 15, and further comprises a grinding unit arranged on the log grinder 1; the pulverizing unit includes: screening element 2 arranged in a crushing box 16, the screening element 2 comprising: the device comprises a discharge hopper 21 arranged at the bottom of a crushing box 16, a screening cylinder 22 arranged at the bottom of the discharge hopper 21, a screw rod 27 arranged in the screening cylinder 22, a screw blade 28 arranged on the rod wall of the screw rod 27, a first discharge hole 216 and a second discharge hole 210 arranged at the bottom of the screening cylinder 22, a filter screen 29 arranged on the inner wall of the first discharge hole 216, a second transmission belt 25 arranged in a working frame 11, a driving shaft 23 arranged at the output end of the driving motor 12, and a belt pulley I24 arranged at one end of the driving shaft 23; the first belt pulley 24 is in transmission connection with the second transmission belt 25, the second transmission belt 25 is also in transmission connection with a second belt pulley 26, a spiral rod 27 movably penetrates through the outer end of the screening cylinder 22, and one side of the second belt pulley 26 is fixedly connected with one end of the spiral rod 27; the bottom of screening section of thick bamboo 22 is provided with blanking hopper 212 near first discharge opening 216 department, and the bottom of blanking hopper 212 is provided with unloading pipe 213, and the bottom of unloading pipe 213 is provided with storage tank 214, and the bottom of screening section of thick bamboo 22 is provided with row material pipe 211 near second discharge opening 210 department, and the bottom of row material pipe 211 is provided with waiting for garrulous case 215.
Specifically, a driving motor 12 is fixedly installed at the inner bottom of a working frame 11, a first transmission belt 13 is connected to the output end of the driving motor 12 in a transmission manner, a speed reducer 14 is fixedly installed on the working frame 11, the output end of the speed reducer 14 is fixedly connected with a transmission shaft 32, a crushing box 16 is fixedly installed on the working frame 11, a plurality of blades are rotatably connected in the crushing box 16 through the transmission shaft 32, the speed reducer 14 and the driving motor 12 are controlled to open and close through a control box, a discharging hopper 21 is fixedly connected to the bottom of the crushing box 16, a screening cylinder 22 is fixedly connected to the bottom of the discharging hopper 21, a spiral rod 27 is rotatably connected to the inside of the screening cylinder 22, a spiral blade 28 is fixedly connected to the outer wall of the spiral rod 27, a first discharging hole 216 and a second discharging hole 210 are formed in the bottom of the screening cylinder 22, a filter screen 29 is fixedly connected to the inner wall of the first discharging hole 216 and used for screening out large-grain-size wood fibers, a second transmission belt 25 is arranged on the working frame 11, a driving shaft 23 is fixedly connected to the output end of the driving motor 12, and a belt pulley 24 is fixedly connected to one end of the driving shaft 23; the bottom of screening section of thick bamboo 22 is close to first discharge opening 216 department fixedly connected with blanking hopper 212, and the bottom fixedly connected with unloading pipe 213 of blanking hopper 212, the bottom fixedly connected with storage tank 214 of unloading pipe 213, the bottom of screening section of thick bamboo 22 is close to second discharge opening 210 department fixedly connected with row material pipe 211, and the bottom of collecting pipe is equipped with waiting to smash case 215.
Referring to fig. 3, a blanking hopper 212 is disposed at the bottom of the sieving cylinder 22 near the first discharge hole 216, a blanking pipe 213 is disposed at the bottom of the blanking hopper 212, a storage tank 214 is disposed at the bottom of the blanking pipe 213, a discharging pipe 211 is disposed at the bottom of the sieving cylinder 22 near the second discharge hole 210, and a to-be-crushed bin 215 is disposed at the bottom of the collecting pipe.
In the use process, according to actual needs, the pulverizer with different particle sizes is selected, generally 0.5-1.5 mm in size, a high-density fiberboard is used, a driving motor 12 is started, the driving motor 12 carries a blade through a first transmission belt 13 to cut waste materials, generated chips fall into a screening cylinder 22, on the other hand, the spiral rod 27 carries a spiral rod 27 to rotate in the process of driving a spiral blade 28 to repeatedly overturn the generated chips, small-particle-size wood fibers meeting the specifications fall down through a filter screen 29 to enter a blanking hopper 212, finally, the small-particle-size wood fibers are collected by a storage tank 214 through a blanking pipe 213, the large-particle-size wood fibers which are not thoroughly pulverized are overturned by the spiral blade 28 until reaching the vicinity of a second discharging hole 210, fall down from the second discharging hole 210 to enter a to-be-crushed box 215, then the chips can be poured into the crushing box 16 again, and the chips are continuously crushed, and the chips falling at the leftmost end are repeatedly overturned because the spiral blade 28 rotates repeatedly, and the length of the filter screen 29 is longer, so that the chips can be screened until the small-particle-size wood fibers can pass through the filter screen 29 completely.
Embodiment 2, referring to fig. 5-7, is a second embodiment of the present invention, which differs from the first embodiment in that: the pulverizing unit further includes: aggregate part 3 disposed inside the storage tank 214; the aggregate part 3 includes: the device comprises a gear motor 31 arranged at the top of a storage tank 214, a transmission shaft 32 arranged at the output end of the gear motor 31, a multi-tooth transmission wheel 33 arranged on the shaft wall of the transmission shaft 32, a movable bearing arranged at the bottom of a blanking hopper 212, a rotating rod 35 arranged in the movable bearing in a rotating manner, a few-tooth transmission wheel 36 and an impeller 37 arranged on the rod wall of the rotating rod 35, a blast cover 38 arranged outside the impeller 37, a negative pressure pipe I39 arranged at the bottom of the blast cover 38, a dust collecting ring plate 310, a first separation plate 311 and a second separation plate 312 arranged in the storage tank 214, a pair of dust filtering hoppers 313 arranged at the bottom of the dust collecting ring plate 310, a second negative pressure pipe 314 arranged at the outer end of a screening cylinder 22 and a sealing plate 315 arranged at the outer end of the blanking pipe 213; the multi-tooth driving wheel 33 and the few-tooth driving wheel 36 are connected in a meshed manner, one end of the negative pressure pipe I39 is fixedly penetrated into the storage tank 214 and positioned below the dust filtering hopper 313, one end of the negative pressure pipe II 314 is fixedly penetrated into the storage tank 214, and the bottom of the discharging pipe 213 is penetrated into the lower part of the sealing plate 315.
Specifically, gear motor 31 is fixedly connected to the top of storage tank 214, output end fixedly connected with transmission shaft 32 of gear motor 31, the axial wall fixedly connected with multidentate drive wheel 33 of transmission shaft 32, the bottom fixedly connected with movable bearing of blanking hopper 212, the inside rotation of movable bearing is connected with bull stick 35, the axial wall fixedly connected with few tooth drive wheel 36 and impeller 37 of bull stick 35, impeller 37 includes a plurality of blades that are circumference evenly distributed, the outside fixedly connected with blast housing 38 of impeller 37, the bottom fixedly connected with negative pressure pipe one 39 of blast housing 38, the inside fixedly connected with dust collection ring plate 310 of storage tank 214, compartment plate one 311 and compartment plate two 312, the bottom fixedly connected with of dust collection ring plate 310 is a pair of dust filter 313, the outer end fixedly connected with negative pressure pipe two 314 of screening cylinder 22, the outer end fixedly connected with closing plate 315 of blanking pipe 213, the closing plate is located below dust filter 313.
The gear motor 31 is started, the gear motor 31 rotates with the multi-tooth driving wheel 33, the multi-tooth driving wheel 33 rotates with the less-tooth driving wheel 36, the purpose of increasing the rotation speed is achieved by utilizing the gear ratio, the impeller 37 rotates by utilizing the rotation of the less-tooth driving wheel 36, so that negative pressure air is generated, air between the sealing plate 315 and the storage tank 214 can be sucked through the negative pressure pipe I39, the air is in a negative pressure area, the air in the screening cylinder 22 is further sucked through the negative pressure pipe II 314, and the internal wood dust is sucked, and due to the fact that the dust filtering hopper 313 is arranged, the wood dust can be left above the dust filtering hopper 313, the purpose of sucking the wood dust is achieved, and the problem that the working environment is influenced by the overflow of the wood dust is effectively solved.
Referring to fig. 8, the pulverizing unit further includes a transmission member 4 disposed outside the discharge tube 213, and the transmission member 4 includes: the driven wheel 41 is arranged on the wall of the blanking pipe 213, the plurality of arc-shaped parts 42 which are arranged on the driven wheel 41 and are in a circumferential array, the first movable hole 43 is arranged between the arc-shaped parts 42, the driving wheel 44 is arranged on the shaft wall of the transmission shaft 32, and the bolt 46 and the second movable hole 45 are arranged on the driving wheel 44; the outer wall of the arc-shaped part 42 is mutually matched with the outer wall of the driving wheel 44, and the outer end of the arc-shaped part 42 moves in the second movable hole 45.
Specifically, the pipe wall of the blanking pipe 213 is fixedly connected with a driven wheel 41, four arc-shaped parts 42 which are in a circumferential array are arranged on the driven wheel 41, a movable hole I43 is formed between every two adjacent arc-shaped parts 42, the shaft wall of the transmission shaft 32 is fixedly connected with a driving wheel 44, a bolt 46 is arranged on the driving wheel 44 and is responsible for sliding in the movable hole I43, so that the driven wheel 41 is pushed, a pair of movable holes II 45 which are distributed on two sides of the bolt 46 are formed on the driving wheel 44 and are responsible for allowing the tip of the arc-shaped part 42 to pass through, the outer wall of the arc-shaped part 42 is mutually matched with the outer wall of the driving wheel 44, the contact surface between the arc-shaped part 42 and the driving wheel 44 is smooth, and the aim of preventing the driven wheel 41 from continuously rotating can be achieved; the blanking pipe 213 is rotationally connected with the blanking hopper 212, the blanking pipe 213 is rotationally connected with the storage tank 214, the first separation plate 311 is fixedly connected with the storage tank 214, and the second separation plate 312 is fixedly connected with the blanking pipe 213.
In the rotating process of the gear motor 31, the driving wheel 44 is driven to rotate, the outer wall of the driving wheel 44 moves outside the arc-shaped part 42, the contact surface between the arc-shaped part 42 and the driving wheel 44 is smooth, the friction force is small, the driven wheel 41 cannot be driven to rotate, when the plug pin 46 rotates into the first movable hole 43, the plug pin 46 contacts with the driven wheel 41, the plug pin 46 leaves the first movable hole 43 after rotating 90 degrees with the driven wheel 41, the outer wall of the driving wheel 44 contacts with the outer wall of the arc-shaped part 42 to stop the driven wheel 41 from continuously rotating, finally, the driving wheel 44 rotates for one quarter turn, and then the dust filter 313 and the separation cavity plate 312 are driven to rotate through the blanking pipe 213, so that the positions of the two dust filters 313 can be exchanged, and the problem that the dust filters 313 close to the first negative pressure pipe 39 are easy to block is effectively avoided.
Referring to fig. 9 to 10, the pulverizing unit further includes a material control part 5 provided at the bottom of the dust hopper 313, and the material control part 5 includes: the dust filter comprises a dust outlet hole arranged at the bottom of the dust filter hopper 313, a fixed ring 51 arranged in the dust outlet hole, a conical hopper 52 arranged in the fixed ring 51 in a sliding manner, a reset piece 53 arranged between the conical hopper 52 and the fixed ring 51, a first magnetic ring 54 arranged at the bottom of the conical hopper 52, a blanking hole 55 arranged on a sealing plate 315 and a second magnetic ring 56 arranged in the blanking hole 55; the magnetic ring one 54 and the magnetic ring two 56 have the same magnetic poles on the opposite surfaces.
Specifically, a dust outlet hole is formed in the bottom of the dust filtering bucket 313, a fixed ring 51 is fixedly connected to the inside of the dust outlet hole, a conical bucket 52 is slidably connected to the inside of the fixed ring 51, a reset piece 53 is fixedly connected between the conical bucket 52 and the fixed ring 51, a first magnetic ring 54 is embedded and installed at the bottom of the conical bucket 52, a blanking hole 55 is formed in the sealing plate 315, and a second magnetic ring 56 is fixedly connected to the inside of the blanking hole 55 through a fixing strip.
When the second magnetic ring 56 is close to the first magnetic ring 54, the second magnetic ring 56 gives the first magnetic ring 54 a repulsive force due to the same magnetic poles, the first magnetic ring 54 is lifted up with the conical hopper 52, so that dust outlet holes are exposed, wood dust close to the bottom of the dust filtering hopper 313 begins to slide down, falls down from the dust outlet holes and the blanking holes 55 respectively and is stored together with wood fibers, the wood dust is conveniently put into production together, and therefore the situation that a dust filtering net is prevented from being blocked is achieved, and meanwhile wood dust generated by cutting wood can be recycled.
Referring to fig. 5, a receiving box 316 is disposed below the sealing plate 315, a bottom plate 317 is disposed at the bottom of the receiving box 316, a ring cover plate 318 is disposed at the top of the bottom plate 317, the ring cover plate 318 is clamped with the storage tank 214, and a handle is disposed at the outer end of the ring cover plate 318.
Specifically, a material receiving box 316 is detachably mounted below the sealing plate 315, a bottom plate 317 is fixedly connected to the bottom of the material receiving box 316, a ring cover plate 318 is fixedly connected to the top of the bottom plate 317, the ring cover plate 318 is clamped with the material storage tank 214, and a handle is fixedly connected to the outer end of the ring cover plate 318.
After the bin 316 is filled with wood fibers, the material may be removed by pulling on the handle.
In the use process, the gear motor 31 is started, on one hand, the gear motor 31 rotates with the multi-tooth driving wheel 33, the multi-tooth driving wheel 33 rotates with the less-tooth driving wheel 36, the impeller 37 rotates by utilizing the rotation of the less-tooth driving wheel 36, so that negative pressure air is generated, air between the sealing plate 315 and the storage tank 214 can be sucked through the negative pressure pipe I39, so that the air is a negative pressure area, the air in the screening cylinder 22 is further sucked through the negative pressure pipe II 314, the internal wood dust is absorbed, and the wood dust can be left above the dust filtering hopper 313 by virtue of the dust filtering hopper 313; on the other hand, the gear motor 31 will also rotate with the driving wheel 44, the outer wall of the driving wheel 44 moves outside the arc-shaped part 42, because the contact surface between the arc-shaped part 42 and the driving wheel 44 is smooth, the friction force is smaller, the driving wheel 41 cannot be rotated, and when the plug 46 rotates into the first movable hole 43, the plug contacts with the driven wheel 41 and rotates 90 degrees, and when the plug 46 leaves the first movable hole 43, the outer wall of the driving wheel 44 contacts with the outer surface of the arc-shaped part 42 to stop the driven wheel 41 from continuing to rotate, finally the driving wheel 44 rotates one circle, the driven wheel 41 rotates one quarter circle, meanwhile, the blanking pipe 213 drives the dust filter 313 and the second partition 312 to rotate, so that the positions of the two dust filters 313 can be exchanged, when the blanking pipe 213 rotates 180 degrees, the first magnetic ring 54 rotates above the second magnetic ring 56, the second magnetic ring 56 gives a repulsive force to the first 54, the first 54 lifts with the conical hopper 52, the dust filter holes are exposed, the wood dust near the bottom of the dust filter 313 begins to slide down, the dust outlet hole and the blanking pipe 55 fall down respectively, the dust filter 313 and the wood fiber together with the previous wood fiber, the dust filter is stored together, the dust filter 313 is easy to be blocked, and the problem of being effectively avoided, and the problem of the dust filter 313 is easy to be blocked after the subsequent production is effectively and is avoided. The rest of the structure is the same as that of embodiment 1.
Embodiment 3, referring to fig. 11-12, is a third embodiment of the present invention, which differs from the second embodiment in that: the crushing unit further includes a shaking unit 6 disposed above the dust filter hopper 313, and the shaking unit 6 includes: the device comprises a rotating shaft 61 arranged at the other output end of the gear motor 31, a hollow rod 62 arranged on the shaft wall of the rotating shaft 61, a movable rod 63 movably arranged in the hollow rod 62, a striking ball 64 arranged at the top end of the movable rod 63, and an elastic piece 65 arranged in the cavity of the hollow rod 62 and at the bottom end of the movable rod 63; the striking ball 64 is an elastic material and the outer wall of the dust hopper 313 is sprayed with a teflon coating.
Specifically, the gear motor 31 is a double-headed motor, and has two output ends, the other output end of the gear motor 31 movably penetrates into the storage tank 214, and is fixedly connected with a rotating shaft 61, the shaft wall of the rotating shaft 61 is fixedly connected with four hollow rods 62, the inside of the hollow rods 62 is slidably connected with a movable rod 63, the top end of the movable rod 63 is fixedly connected with a striking ball 64, an elastic piece 65 is fixedly connected between the inner cavity of the hollow rod 62 and the bottom end of the movable rod 63, and the elastic piece 65 is a return spring; the striking ball 64 is made of elastic material, and the outer wall of the dust filtering hopper 313 is sprayed with a Teflon coating layer, which is responsible for reducing the viscosity of the dust filtering hopper 313 and effectively shaking off wood dust from the dust filtering hopper 313.
In the use process, the gear motor 31 is started, the other end of the gear motor 31 starts to rotate and drives the four hollow rods 62 to rotate, the hollow rods 62 drive the striking balls 64 to strike the blanking pipe 213 through the movable rods 63, the outer wall of the blanking pipe 213 is connected with the two dust filtering hoppers 313, so that the aim of striking one pair of dust filtering hoppers 313 can be fulfilled, the dust filtering hoppers 313 opened by the other dust outlet holes are convenient to vibrate, dust attached to the inner bottom of the dust filtering hoppers 313 is shaken off, and as the movable rods 63 move inside the hollow rods 62 by means of the elastic pieces 65, the hollow rods 62 can shrink after striking the blanking pipe 213 and continue to rotate, and finally the four hollow rods 62 can continuously rotate and continuously strike the blanking pipe 213. The rest of the structure is the same as that of embodiment 2.
Comprehensive examples 1-3, working principle:
the staff drops the waste into the crushing box 16, the driving motor 12 is started, the driving motor 12 carries the blade to cut the waste through the first transmission belt 13 on one hand, the generated scraps fall into the screening cylinder 22, on the other hand, the second transmission belt 25 carries the screw rod 27 to rotate, the screw rod 27 repeatedly overturns the generated scraps in the process of driving the screw blade 28 to rotate, small-grain-size wood fibers meeting the specification fall down through the filter screen 29, enter the blanking hopper 212 and finally are collected by the storage tank 214 through the blanking pipe 213, and large-grain-size wood fibers which are not thoroughly crushed are overturned by the screw blade 28 until the large-grain-size wood fibers reach the vicinity of the second discharging hole 210, fall from the second discharging hole 210 and enter the crushing box 215, and then can be poured into the crushing box 16 again to be crushed.
The gear motor 31 is started, the gear motor 31 drives the driving wheel 44 and the multi-tooth driving wheel 33 to rotate, the multi-tooth driving wheel 33 drives the multi-tooth driving wheel 36 to rotate, the plurality of impellers 37 are driven to rotate by utilizing the rotation of the multi-tooth driving wheel 36, so that negative pressure air is generated, air between the sealing plate 315 and the storage tank 214 can be sucked through the negative pressure pipe I39, the air is in a negative pressure area, the air in the screening cylinder 22 is further sucked through the negative pressure pipe II 314, the internal wood dust is absorbed, and the wood dust can be left in the storage tank 214 by utilizing the dust filtering hopper 313, so that the aim of absorbing the wood dust is fulfilled.
Meanwhile, the outer wall of the driving wheel 44 moves outside the arc-shaped part 42, and as the contact surface between the arc-shaped part 42 and the driving wheel 44 is smooth, the friction force is small, the driven wheel 41 cannot be driven to rotate, when the plug 46 rotates into the first movable hole 43, the plug contacts with the driven wheel 41 and rotates by 90 degrees with the driven wheel 41, and when the plug 46 leaves the first movable hole 43, the outer wall of the driving wheel 44 contacts with the outer part of the arc-shaped part 42, the driven wheel 41 is prevented from continuing to rotate, so that the pair of dust filtering hoppers 313 can intermittently rotate, and the dust filtering area is convenient to replace.
The blanking pipe 213 drives the dust filtering hopper 313 and the second separation plate 312 to rotate, so that the positions of the two dust filtering hoppers 313 can be exchanged, when the blanking pipe 213 rotates 180 degrees, the first magnetic ring 54 rotates to the position above the second magnetic ring 56, the second magnetic ring 56 gives the first magnetic ring 54 a repulsive force, the first magnetic ring 54 ascends with the conical hopper 52, the dust outlet is exposed, wood dust near the bottom of the dust filtering hopper 313 begins to slide downwards, falls from the dust outlet and the blanking hole 55 respectively, is stored together with the previous wood fiber, and is convenient for subsequent production together.
In order to further accelerate the falling of wood dust, the gear motor 31 is utilized to drive the four hollow rods 62 to rotate, the hollow rods 62 drive the striking balls 64 to strike the blanking pipe 213 through the movable rods 63, the outer wall of the blanking pipe 213 is connected with the two dust filtering hoppers 313, so that the aim of striking the pair of dust filtering hoppers 313 can be fulfilled, the other dust filtering hopper 313 with the dust outlet opened is convenient to vibrate, dust attached to the inner bottom of the dust filtering hoppers is shaken off, the four hollow rods 62 can continuously rotate through the elastic piece 65, and finally the dust filtering hoppers 213 can continuously strike the blanking pipe 213.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a well high density fiberboard production waste recycling equipment, includes timber rubbing crusher (1), timber rubbing crusher (1) include work frame (11), set up driving motor (12) of bottom in work frame (11), set up first drive belt (13) in driving motor (12) output, set up reduction gear (14) on work frame (11), first drive belt (13) are connected with the input transmission of reduction gear (14), set up axis of rotation (15) in reduction gear (14) output, set up crushing case (16) on work frame (11), and set up the blade of rotating the connection through axis of rotation (15) in crushing case (16), its characterized in that: the wood crusher also comprises a crushing unit arranged on the wood crusher (1);
the pulverizing unit includes: set up in screening part (2) of smashing case (16) below, screening part (2) include: the device comprises a discharge hopper (21) arranged at the bottom of a crushing box (16), a screening cylinder (22) arranged at the bottom of the discharge hopper (21), a screw rod (27) arranged in the screening cylinder (22), a screw blade (28) arranged on the rod wall of the screw rod (27), a first discharge hole (216) and a second discharge hole (210) arranged at the bottom of the screening cylinder (22), a filter screen (29) arranged on the inner wall of the first discharge hole (216), a second transmission belt (25) arranged in a working frame (11), a driving shaft (23) arranged at the output end of a driving motor (12) and a belt pulley I (24) arranged at one end of the driving shaft (23);
the first belt pulley (24) is in transmission connection with the second transmission belt (25), the second transmission belt (25) is further in transmission connection with the second belt pulley (26), the spiral rod (27) movably penetrates through the outer end of the screening cylinder (22), and one side of the second belt pulley (26) is fixedly connected with one end of the spiral rod (27).
2. The medium-high density fiberboard production waste recycling apparatus according to claim 1, wherein: the bottom of screening section of thick bamboo (22) is close to first discharge opening (216) department and is provided with blanking fill (212), the bottom of blanking fill (212) is provided with unloading pipe (213), the bottom of unloading pipe (213) is provided with storage tank (214), the bottom of screening section of thick bamboo (22) is close to second discharge opening (210) department and is provided with row material pipe (211), the bottom of row material pipe (211) is provided with and waits garrulous case (215).
3. The medium-high density fiberboard production waste recycling apparatus according to claim 2, wherein: the pulverizing unit further includes: aggregate parts (3) arranged in the storage tanks (214);
the aggregate part (3) comprises: the device comprises a gear motor (31) arranged at the top of a storage tank (214), a transmission shaft (32) arranged at the output end of the gear motor (31), a multi-tooth transmission wheel (33) arranged at the shaft wall of the transmission shaft (32), a movable bearing arranged at the bottom of a blanking hopper (212), a rotating rod (35) arranged in the movable bearing, a small-tooth transmission wheel (36) and an impeller (37) arranged at the shaft wall of the rotating rod (35), an air blast cover (38) arranged outside the impeller (37), a negative pressure pipe I (39) arranged at the bottom of the air blast cover (38), a dust collecting annular plate (310), a separation plate I (311) and a separation plate II (312) arranged in the storage tank (214), a pair of dust filtering hoppers (313) arranged at the bottom of the dust collecting annular plate (310), a negative pressure pipe II (314) arranged at the outer end of a screening cylinder (22) and a sealing plate (315) arranged at the outer end of the blanking pipe (213);
the multi-tooth driving wheel (33) is connected with the few-tooth driving wheel (36) in a meshed mode, one end of the negative pressure pipe I (39) is fixedly penetrated into the storage tank (214) and located below the dust filtering hopper (313), one end of the negative pressure pipe II (314) is fixedly penetrated into the storage tank (214), and the bottom of the blanking pipe (213) is penetrated into the lower portion of the sealing plate (315).
4. A medium and high density fiberboard production waste recycling apparatus according to claim 3, characterized in that: the crushing unit further comprises a transmission part (4) arranged outside the blanking pipe (213), and the transmission part (4) comprises: driven wheel (41) arranged on the wall of the blanking pipe (213), a plurality of arc-shaped parts (42) arranged on the driven wheel (41) and in a circumferential array, a first movable hole (43) arranged between the arc-shaped parts (42), a driving wheel (44) arranged on the shaft wall of the transmission shaft (32), and a bolt (46) and a second movable hole (45) arranged on the driving wheel (44);
the outer wall of the arc-shaped part (42) is mutually matched with the outer wall of the driving wheel (44), and the outer end of the arc-shaped part (42) moves in the second movable hole (45).
5. The medium-high density fiberboard production waste recycling apparatus according to claim 4, wherein: the crushing unit further comprises a material control component (5) arranged at the bottom of the dust filtering hopper (313), and the material control component (5) comprises: the dust filter comprises a dust outlet hole arranged at the bottom of a dust filter hopper (313), a fixed ring (51) arranged in the dust outlet hole, a conical hopper (52) arranged in the fixed ring (51) in a sliding manner, a reset piece (53) arranged between the conical hopper (52) and the fixed ring (51), a first magnetic ring (54) arranged at the bottom of the conical hopper (52), a blanking hole (55) arranged on a sealing plate (315) and a second magnetic ring (56) arranged in the blanking hole (55);
the magnetic ring one (54) and the magnetic ring two (56) have the same opposite surface magnetic poles.
6. The medium-high density fiberboard production waste recycling apparatus according to claim 5, wherein: the crushing unit further comprises a shaking component (6) arranged above the dust filtering hopper (313), and the shaking component (6) comprises: the device comprises a rotating shaft (61) arranged at the other output end of a gear motor (31), a hollow rod (62) arranged on the shaft wall of the rotating shaft (61), a movable rod (63) movably arranged in the hollow rod (62), a striking ball (64) arranged at the top end of the movable rod (63), and an elastic piece (65) arranged in the inner cavity of the hollow rod (62) and the bottom end of the movable rod (63).
7. The medium-high density fiberboard production waste recycling apparatus according to claim 6, wherein: the hitting ball (64) is made of elastic materials, and a Teflon coating is sprayed on the outer wall of the dust filtering hopper (313).
8. The medium-high density fiberboard production waste recycling apparatus according to claim 7, wherein: the sealing plate is characterized in that a material receiving box (316) is arranged below the sealing plate (315), a bottom plate (317) is arranged at the bottom of the material receiving box (316), a ring cover plate (318) is arranged at the top of the bottom plate (317), the ring cover plate (318) and the material storage tank (214) are connected in a clamping mode, and a handle is arranged at the outer end of the ring cover plate (318).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410248607.5A CN117885171B (en) | 2024-03-05 | Medium-high density fiberboard production waste recycling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410248607.5A CN117885171B (en) | 2024-03-05 | Medium-high density fiberboard production waste recycling equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117885171A true CN117885171A (en) | 2024-04-16 |
| CN117885171B CN117885171B (en) | 2024-06-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012061430A (en) * | 2010-09-16 | 2012-03-29 | Matsui Mfg Co | Multi shaft pulverizer |
| CN217568920U (en) * | 2022-04-16 | 2022-10-14 | 天门市鼎盛木业有限公司 | Waste recovery device for fiberboard production |
| US20230002584A1 (en) * | 2019-12-03 | 2023-01-05 | Ikea Supply Ag | Recycling of lignocellulosic fibers from fiberboards |
| CN115634909A (en) * | 2022-10-19 | 2023-01-24 | 湖南恒信新型建材有限公司 | High density fiberboard production waste recovery device |
| CN219252868U (en) * | 2023-04-07 | 2023-06-27 | 绮一舟(河北)科技有限公司 | Screening mechanism of centrifugal grinder |
| CN117428881A (en) * | 2023-12-05 | 2024-01-23 | 钛马迪家居江苏有限公司 | Environment-friendly recovery equipment and recovery method for waste furniture |
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012061430A (en) * | 2010-09-16 | 2012-03-29 | Matsui Mfg Co | Multi shaft pulverizer |
| US20230002584A1 (en) * | 2019-12-03 | 2023-01-05 | Ikea Supply Ag | Recycling of lignocellulosic fibers from fiberboards |
| CN217568920U (en) * | 2022-04-16 | 2022-10-14 | 天门市鼎盛木业有限公司 | Waste recovery device for fiberboard production |
| CN115634909A (en) * | 2022-10-19 | 2023-01-24 | 湖南恒信新型建材有限公司 | High density fiberboard production waste recovery device |
| CN219252868U (en) * | 2023-04-07 | 2023-06-27 | 绮一舟(河北)科技有限公司 | Screening mechanism of centrifugal grinder |
| CN117428881A (en) * | 2023-12-05 | 2024-01-23 | 钛马迪家居江苏有限公司 | Environment-friendly recovery equipment and recovery method for waste furniture |
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