CN110877262A - Wood grinding device with dust suppression and removal functions based on negative pressure principle - Google Patents
Wood grinding device with dust suppression and removal functions based on negative pressure principle Download PDFInfo
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- CN110877262A CN110877262A CN201911278996.1A CN201911278996A CN110877262A CN 110877262 A CN110877262 A CN 110877262A CN 201911278996 A CN201911278996 A CN 201911278996A CN 110877262 A CN110877262 A CN 110877262A
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- fixedly connected
- support frame
- workbench
- negative pressure
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/22—Single-purpose machines or devices for particular grinding operations not covered by any other main group characterised by a special design with respect to properties of the material of non-metallic articles to be ground
- B24B19/24—Single-purpose machines or devices for particular grinding operations not covered by any other main group characterised by a special design with respect to properties of the material of non-metallic articles to be ground of wood, e.g. furniture
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
- B24B55/03—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant designed as a complete equipment for feeding or clarifying coolant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/12—Devices for exhausting mist of oil or coolant; Devices for collecting or recovering materials resulting from grinding or polishing, e.g. of precious metals, precious stones, diamonds or the like
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention relates to the technical field of wood door processing, and discloses a wood grinding device with dust suppression and removal functions by utilizing a negative pressure principle, which comprises a support frame, wherein the inside of the support frame is fixedly connected with a workbench, the inside of the workbench is movably connected with a conveying device, the top of the support frame is hinged with a cover plate, the inside of the support frame is movably connected with a fixed block, the outside of the fixed block is movably connected with a grinding roller, the inside of the support frame is fixedly connected with a separation net, the inside of the support frame is fixedly connected with a vertical air duct, the outside of the vertical air duct is fixedly connected with a transverse air duct, the inside of the workbench is provided with a bottom cavity, the bottom of the bottom cavity is fixedly connected with a chip removal port, the bottom of the chip removal port is fixedly connected with a fan, the cover plate can be conveniently opened through the matching use of the workbench and, meanwhile, the height of the grinding roller is convenient to adjust so as to adapt to grinding of wood boards with different thicknesses.
Description
Technical Field
The invention relates to the technical field of wooden door processing, in particular to a wood grinding device with dust suppression and removal functions by utilizing a negative pressure principle.
Background
The wooden door is made of wood as a raw material by mechanical processing methods such as wood cutting, wood drying, wood gluing, wood surface decoration and the like or chemical processing and the like, the product still keeps the basic characteristics of the wood, and in the process of processing the wood into the wooden board, the wooden board needs to be polished by a polishing machine, so that the processing precision of the wooden board is ensured, and the surface smoothness of the wooden board is ensured.
But current plank grinding device is when polishing, the polisher generally all can produce a large amount of raise dusts when handling plank surface grinding, pollute operational environment, influence staff's is healthy, and this kind of raise dust all is the saw-dust, the ignition of saw-dust is very low, if the raise dust produces the back not timely water spray treatment, the raise dust then probably produces dust explosion or causes the conflagration when meetting the fire source, so, will cause very big economic loss to the wood working enterprise, also can constitute the threat of life to wood working personnel.
In order to solve the above problems, the inventor provides a wood grinding device with dust suppression and removal functions by using a negative pressure principle, which has the advantages of effectively removing the dust generated during grinding by a grinding machine, preventing the dust from polluting the working environment, ensuring the health of workers, and effectively avoiding the possibility that inflammable wood chips are subjected to fire and even cause dust explosion when encountering fire, thereby avoiding economic loss of enterprises and protecting the life safety of processing personnel.
Disclosure of Invention
In order to realize the purposes of adsorbing, polishing and raising dust, protecting working environment and avoiding fire and dust explosion, the invention provides the following technical scheme: a wood grinding device with a dust suppression and removal function by utilizing a negative pressure principle comprises a support frame, a workbench, a conveying device, a cover plate, a fixing block, a grinding roller, a separation net, a vertical air duct, a transverse air duct, a bottom cavity, a chip removal port, a fan, an air outlet, a bearing seat, a rotating net, a fixing cylinder, a spray header, a water guide pipe, a water receiver, a slave conveying wheel, a driving belt, a main conveying wheel, a motor and a waste material box.
The positions and the connection relations of the structures are as follows:
the inner part of the support frame is fixedly connected with a workbench, the inner part of the workbench is movably connected with a conveying device, the top part of the support frame is hinged with a cover plate, the inner part of the support frame is movably connected with a fixed block, the outer part of the fixed block is movably connected with a grinding roller, the inner part of the support frame is fixedly connected with a separation net, the inner part of the support frame is fixedly connected with a vertical air duct, the outer part of the vertical air duct is fixedly connected with a transverse air duct, the inner part of the workbench is provided with a bottom cavity, the bottom of the bottom cavity is fixedly connected with a chip removal port, the bottom of the chip removal port is fixedly connected with a fan, the outer part of the fan is fixedly connected with an air outlet, the outer part of the air outlet is movably connected with a bearing seat, the outer part of the bearing seat, the improved water-saving spraying device is characterized in that the spraying head is fixedly connected to the inside of the fixed cylinder, the water guide pipe is fixedly connected to the bottom of the fixed cylinder, the water receiver is fixedly connected to the outside of the water guide pipe, the slave conveying wheel is fixedly connected to the outside of the rotating net, the driving belt is movably connected to the outside of the slave conveying wheel, the main conveying wheel is movably connected to the inside of the driving belt, the motor is fixedly connected to the outside of the main conveying wheel, and the waste material box is movably connected to the bottom of the rotating net.
Preferably, the conveying device consists of a driving roller, a driven roller, a supporting plate, a supporting roller and a driving belt, and the driving roller is externally connected with a power mechanism.
Preferably, the separation net is provided with two, the two separation nets are respectively and fixedly connected to two sides inside the supporting frame, and the two separation nets are located at the top of the workbench.
Preferably, the vertical air ducts are two, the two vertical air ducts are respectively and fixedly connected to two sides inside the support frame, the vertical air ducts penetrate through the upper side and the lower side of the workbench, and the separation net is communicated with the vertical air ducts and the inside of the support frame.
Preferably, the number of the transverse air ducts is two, the two transverse air ducts are located at the bottom of the workbench, and the two transverse air ducts are fixedly connected with the fan.
Preferably, the fixed cylinder is fixedly connected inside the support frame.
Preferably, the number of the spray heads is not less than ten, the spray heads are uniformly and fixedly connected inside the fixed cylinder, and the spray heads are externally connected with water pipes.
Preferably, the water receiver includes filter screen and suction pump, and the suction pump is located the below of filter screen.
Advantageous effects
Compared with the prior art, the invention provides a wood grinding device with dust suppression and removal functions by utilizing a negative pressure principle, which has the following beneficial effects:
1. this utilize negative pressure principle to possess the timber grinding device who presses down dirt dust removal function, use through the cooperation of workstation and apron to conveniently open the apron, conveniently clear up the mesa of workstation, conveniently adjust the height of grinding roller simultaneously, in order to adapt to the plank of polishing different thickness.
2. This utilize negative pressure principle to possess timber grinding device who presses down dirt dust removal function uses through the cooperation of perpendicular wind channel, horizontal wind channel and fan to guarantee when polishing, the fan produces wind-force. And through the saw-dust raise dust of processing production on horizontal wind channel and the vertical wind channel adsorption workbench, avoid the raise dust to spread workspace, guarantee staff's health, and effectively avoid inflammable saw-dust to meet the possibility that fire breaks out a fire and arouse dust explosion even to avoid the enterprise to take place economic loss, also protect processing personnel's life safety.
3. This utilize negative pressure principle to possess the timber grinding device who presses down dirt dust removal function, use through the cooperation of changeing net, solid fixed cylinder and shower head to saw-dust raise dust in the effective deaerating, and rotate through changeing the net, effectively guarantee the effect that sprays, guarantee simultaneously that moist saw-dust falls into waste material box through changeing the net, avoid changeing the net and block up.
4. This utilize negative pressure principle to possess timber grinding device who presses down dirt dust removal function uses through the cooperation of a fixed section of thick bamboo, aqueduct and water collector to the messenger sprays the inside that liquid passes through the aqueduct and gets into the water collector, and the filter screen that sets up through the water collector and the liquid in the suction pump extraction water collector, thereby reaches the effect that sprays liquid cyclic utilization, water economy resource.
Drawings
FIG. 1 is a schematic view of the overall connection of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view taken along section A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic view showing the connection of the air outlet, the rotating net, the fixed cylinder, the spray header and the motor;
FIG. 4 is an enlarged view of the connection of the rotating net, the fixed cylinder, the receiving bearing and the bearing seat in part B of the structure of FIG. 1;
FIG. 5 is an enlarged view of the connection of the fixing cylinder, the shower head, the rotating net, the water guide pipe, the fan and the cross air duct in the part C of the structure diagram of the invention 2.
In the figure: 1. a support frame; 2. a work table; 3. a conveying device; 4. a cover plate; 5. a fixed block; 6. grinding a roller; 7. separating the net; 8. a vertical air duct; 9. a transverse air duct; 10. a bottom cavity; 11. a chip removal port; 12. a fan; 13. an air outlet; 14. a bearing is received; 15. a bearing seat; 16. switching the network; 17. a fixed cylinder; 18. a shower head; 19. a water conduit; 20. a water receiver; 21. a slave transfer wheel; 22. a transmission belt; 23. a main transfer wheel; 24. a motor; 25. a waste material box.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a wood grinding device with dust suppression and removal functions based on negative pressure principle comprises a support frame 1, a workbench 2, a conveying device 3, a cover plate 4, a fixing block 5, a polishing roller 6, a separation net 7, a vertical air duct 8, a horizontal air duct 9, a bottom cavity 10, a chip removal port 11, a fan 12, an air outlet 13, a bearing 14, a bearing seat 15, a rotating net 16, a fixing cylinder 17, a shower head 18, a water guide pipe 19, a water receiver 20, a slave conveying wheel 21, a transmission belt 22, a master conveying wheel 23, a motor 24 and a waste material box 25.
The positions and the connection relations of the structures are as follows:
the inside of the support frame 1 is fixedly connected with a workbench 2, the inside of the workbench 2 is movably connected with a conveyer 3, the conveyer 3 consists of a driving roller, a driven roller, a support plate, a support roller and a conveyer belt, the driving roller is externally connected with a power mechanism, the top of the support frame 1 is hinged with a cover plate 4, the cover plate 4 is conveniently opened through the matching use of the workbench 2 and the cover plate 4, the table top of the workbench 2 is conveniently cleaned, the height of a grinding roller 6 is conveniently adjusted to be suitable for grinding wood boards with different thicknesses, the inside of the support frame 1 is movably connected with a fixed block 5, the outside of the fixed block 5 is movably connected with the grinding roller 6, the inside of the support frame 1 is fixedly connected with two separation nets 7, the two separation nets 7 are respectively and fixedly connected with two sides inside the support frame 1, the two separation nets 7 are both positioned at the top of the workbench 2, the inside of, erect wind channel 8 and be provided with two, two perpendicular wind channels 8 are fixed connection in the inside both sides of support frame 1 respectively, and erect wind channel 8 and run through the upper and lower both sides of workstation 2, separate the inside of net 7 intercommunication perpendicular wind channel 8 and support frame 1, erect wind channel 8's the horizontal wind channel 9 of outside fixedly connected with, horizontal wind channel 9 is provided with two, two horizontal wind channels 9 are located the bottom of workstation 2, and two horizontal wind channels 9 all with fan 12 fixed connection, bottom chamber 10 has been seted up to workstation 2 inside, the bottom fixedly connected with chip removal mouth 11 of bottom chamber 10.
The bottom of the chip removal port 11 is fixedly connected with a fan 12, and the fan 12 generates wind power when being polished by matching the vertical air duct 8, the transverse air duct 9 and the fan 12. The sawdust dust generated by processing on the worktable 2 is adsorbed through the transverse air duct 9 and the vertical air duct 8, the dust is prevented from diffusing to a working space, the health of workers is ensured, and the possibility that inflammable sawdust meets fire to cause fire and even causes dust explosion is effectively avoided, so that economic loss of enterprises is avoided, the life safety of the workers is also protected, an air outlet 13 is fixedly connected to the outside of the fan 12, a bearing 14 is movably connected to the outside of the air outlet 13, a bearing seat 15 is fixedly connected to the outside of the bearing 14, a rotating net 16 is fixedly connected to the inside of the bearing 14, a fixed cylinder 17 is movably connected to the outside of the rotating net 16, the fixed cylinder 17 is fixedly connected to the inside of the supporting frame 1, a spray head 18 is fixedly connected to the inside of the fixed cylinder 17, the spray heads 18 are not less than ten, the spray heads 18 are uniformly and fixedly connected to the inside of the fixed, use through the cooperation of rotating net 16, a fixed cylinder 17 and shower head 18 to effectively get rid of the saw-dust raise dust in the air, and rotate through rotating net 16, effectively guarantee the effect that sprays, guarantee simultaneously that moist saw-dust falls into waste material box 25 through rotating net 16, avoid rotating net 16 to block up.
Bottom fixedly connected with aqueduct 19 of a fixed cylinder 17, the outside fixedly connected with water receiver 20 of aqueduct 19, through a fixed cylinder 17, aqueduct 19 and water receiver 20's cooperation is used, thereby make spray liquid pass through aqueduct 19 and get into the inside of water receiver 20, and the filter screen that sets up through water receiver 20 and the liquid in the suction pump extraction water receiver 20, thereby reach the effect that sprays liquid cyclic utilization, water economy resource, water receiver 20 includes filter screen and suction pump, and the suction pump is located the below of filter screen, the outside fixedly connected with of commentaries on classics net 16 is from transfer gear 21, the outside swing joint from transfer gear 21 has drive belt 22, the inside swing joint of drive belt 22 has main transfer gear 23, the outside fixedly connected with motor 24 of main transfer gear 23, the bottom swing joint of commentaries on classics net 16 has waste material box 25.
The working process and principle are that when in use, because the support frame 1 is movably connected with the fixed block 5, the fixed block 5 is movably connected with the grinding roller 6, the height of the fixed block 5 can be adjusted, the height of the grinding roller 6 can be adjusted, the grinding effect can be ensured, meanwhile, the template is arranged on the workbench 2, because the interior of the workbench 2 is movably connected with the conveying device 3, the conveying device 3 drives the wood board to move on the workbench 2 and finish grinding, simultaneously, because the fan 12 is fixedly connected with the transverse air duct 9, the transverse air duct 9 is fixedly connected with the vertical air duct 8, the vertical air duct 8 is communicated with the upper part and the lower part of the workbench 2, and the support frame 1 is fixedly connected with the separation net 7, the fan 12 generates negative pressure, dust generated when the workbench 2 is ground is adsorbed through the transverse air duct 9 and the vertical air duct 8, meanwhile, the fan 12 is fixedly connected with the air outlet 13, and, the bearing 14 is fixedly connected with the rotating net 16, the rotating net 16 is movably connected with the fixed cylinder 17, the inner part of the fixed cylinder 17 is fixedly connected with the spray head 18, the waste material box 25 is movably connected below the rotating net 16, so wood dust adsorbed by the fan 12 is introduced into the rotating net 16 through the air outlet 13, meanwhile, the spray head 18 sprays water mist, the wood dust is soaked in water and falls into the rotating net 16 and falls into the waste material box 25 through the rotating net 16, meanwhile, redundant liquid falls into the fixed cylinder 17, the liquid enters the water receiver 20 through the water guide pipe 19 in the fixed cylinder 17, and the liquid is pumped by the water pump in the water receiver 20, so that the effect of water recycling is achieved, the motor 24 is fixedly connected with the main transmission wheel 23, the main transmission wheel 23 is movably connected with the transmission belt 22, the transmission belt 22 is movably connected with the auxiliary transmission wheel 21, the auxiliary transmission wheel 21 is fixedly connected with the rotating net 16, so that the motor 24 drives, main transfer gear 23 drives drive belt 22 and rotates, drive belt 22 drives and rotates from transfer gear 21, it rotates to drive rotary screen 16 from transfer gear 21, thereby guarantee the 16 inside effects of spraying of rotary screen, avoid the saw-dust to pile up the jam in rotary screen 16 is inside, and fan 12 and chip removal mouth 11 fixed connection, chip removal mouth 11 and bottom chamber 10 fixed connection, bottom chamber 10 is seted up in the bottom of workstation 2, so fan 12 further adsorbs 2 remaining saw-dust of workstation, guarantee the effect of removing dust.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an utilize negative pressure principle to possess timber grinding device who presses down dirt dust removal function, includes support frame (1), its characterized in that: the device is characterized in that a workbench (2) is fixedly connected to the inside of the support frame (1), a conveying device (3) is movably connected to the inside of the workbench (2), a cover plate (4) is hinged to the top of the support frame (1), a fixing block (5) is movably connected to the inside of the support frame (1), a grinding roller (6) is movably connected to the outside of the fixing block (5), a separation net (7) is fixedly connected to the inside of the support frame (1), a vertical air duct (8) is fixedly connected to the inside of the support frame (1), a transverse air duct (9) is fixedly connected to the outside of the vertical air duct (8), a bottom cavity (10) is formed in the workbench (2), a chip removal port (11) is fixedly connected to the bottom of the bottom cavity (10), a fan (12) is fixedly connected to the bottom of the chip removal port (11), and an air outlet (13) is fixedly, the outside of the air outlet (13) is movably connected with a bearing (14), the outside of the bearing (14) is fixedly connected with a bearing seat (15), the inside of the bearing (14) is fixedly connected with a rotating net (16), the outside of the rotating net (16) is movably connected with a fixed cylinder (17), the inner part of the fixed cylinder (17) is fixedly connected with a spray header (18), the bottom of the fixed cylinder (17) is fixedly connected with a water guide pipe (19), a water receiver (20) is fixedly connected with the outside of the water guide pipe (19), a driven transmission wheel (21) is fixedly connected with the outside of the rotating net (16), a driving belt (22) is movably connected with the outer part of the auxiliary transmission wheel (21), a main transmission wheel (23) is movably connected with the inner part of the driving belt (22), the outside fixedly connected with motor (24) of main transfer wheel (23), the bottom swing joint of change net (16) has waste material box (25).
2. The wood grinding device with the functions of dust suppression and dust removal by utilizing the negative pressure principle as claimed in claim 1, wherein: the conveying device (3) is composed of a driving roller, a driven roller, a supporting plate, a supporting roller and a conveying belt, and the driving roller is externally connected with a power mechanism.
3. The wood grinding device with the functions of dust suppression and dust removal by utilizing the negative pressure principle as claimed in claim 1, wherein: the two separation nets (7) are respectively fixedly connected to two sides inside the support frame (1), and the two separation nets (7) are located at the top of the workbench (2).
4. The wood grinding device with the functions of dust suppression and dust removal by utilizing the negative pressure principle as claimed in claim 1, wherein: the vertical air channels (8) are two, the two vertical air channels (8) are respectively fixedly connected to two sides of the inner portion of the support frame (1), the vertical air channels (8) penetrate through the upper side and the lower side of the workbench (2), and the separation net (7) is communicated with the inner portions of the vertical air channels (8) and the support frame (1).
5. The wood grinding device with the functions of dust suppression and dust removal by utilizing the negative pressure principle as claimed in claim 1, wherein: the two transverse air channels (9) are arranged and located at the bottom of the workbench (2), and the two transverse air channels (9) are fixedly connected with the fan (12).
6. The wood grinding device with the functions of dust suppression and dust removal by utilizing the negative pressure principle as claimed in claim 1, wherein: the fixed cylinder (17) is fixedly connected inside the support frame (1).
7. The wood grinding device with the functions of dust suppression and dust removal by utilizing the negative pressure principle as claimed in claim 1, wherein: the number of the spray heads (18) is not less than ten, the spray heads (18) are uniformly and fixedly connected inside the fixed cylinder (17), and the spray heads (18) are externally connected with water pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911278996.1A CN110877262B (en) | 2019-12-13 | 2019-12-13 | Wood grinding device with dust suppression and removal functions based on negative pressure principle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911278996.1A CN110877262B (en) | 2019-12-13 | 2019-12-13 | Wood grinding device with dust suppression and removal functions based on negative pressure principle |
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| CN110877262A true CN110877262A (en) | 2020-03-13 |
| CN110877262B CN110877262B (en) | 2021-08-13 |
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| CN108686919A (en) * | 2018-05-14 | 2018-10-23 | 中煤第建设有限公司 | Concrete crushed stone sieves and washes device |
| CN208087487U (en) * | 2018-06-19 | 2018-11-13 | 海南中融玻璃科技有限公司 | A kind of glass cutting device convenient for scrap collecting |
| CN109173545A (en) * | 2018-11-09 | 2019-01-11 | 成都文博蓉耀科技有限公司 | A kind of novel energy-conserving dust-extraction unit of convenient and fast fast dust-removing |
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