CN112571284A - Dust removal mechanism of vanadium nitrogen alloy polishes - Google Patents
Dust removal mechanism of vanadium nitrogen alloy polishes Download PDFInfo
- Publication number
- CN112571284A CN112571284A CN202011457807.XA CN202011457807A CN112571284A CN 112571284 A CN112571284 A CN 112571284A CN 202011457807 A CN202011457807 A CN 202011457807A CN 112571284 A CN112571284 A CN 112571284A
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- dust
- dust removal
- polishing
- nitrogen alloy
- vanadium
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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)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Abstract
The invention relates to a dust removal mechanism for polishing vanadium-nitrogen alloy, which comprises a workbench, wherein a polishing wheel is installed at the top of the workbench, a bearing plate is connected to the front end surface of the workbench, a dust collection mechanism is installed between the polishing wheel and the bearing plate, and a dust removal adjusting mechanism is arranged between the dust collection mechanism and the bearing plate. According to the invention, the dust removal mechanism for polishing vanadium-nitrogen alloy comprises a dust collection box, an air inlet pipeline, a centrifugal fan, a dust collection box and the like, when a user polishes by using the polisher, the power supply of the centrifugal fan can be switched on, so that the centrifugal fan starts to work, polishing powder on the dust collection box is effectively absorbed and then flows into the dust collection box inside a workbench through a pipeline, and the top end of the dust collection box is provided with an interception net and a side plate, so that the powder is effectively intercepted and uniformly collected, and the collection effectiveness of the dust removal mechanism for polishing vanadium-nitrogen alloy is effectively improved.
Description
Technical Field
The invention relates to a dust removal mechanism for polishing vanadium-nitrogen alloy, and belongs to the technical field of vanadium-nitrogen alloy processing dust removal.
Background
The vanadium-nitrogen alloy is a blank made of vanadium pentoxide, carbon powder, an active agent and other raw materials, and is reacted at a high temperature of 1500-1800 ℃ under the protection of normal pressure and nitrogen atmosphere to generate the vanadium-nitrogen alloy.
When the existing vanadium-nitrogen alloy is used, if an unsmooth surface exists on the surface, the existing vanadium-nitrogen alloy needs to be manually placed on a grinding machine for grinding, alloy iron powder can be generated during grinding, the iron powder is not timely treated, pollution can be caused to a processing workshop, special personnel are needed to clean, and accordingly a dust removal mechanism for grinding the vanadium-nitrogen alloy is designed.
Disclosure of Invention
The invention aims to solve the problems that when the existing vanadium-nitrogen alloy is used, if the surface is unsmooth, the existing vanadium-nitrogen alloy needs to be manually placed on a grinding machine for grinding, alloy iron powder is generated during grinding, the iron powder is not timely treated, a processing workshop is polluted, and special personnel are needed for cleaning.
In order to solve the technical problems, the invention provides the following technical scheme: a dust removal mechanism for polishing vanadium-nitrogen alloy comprises a workbench, wherein a polishing wheel is arranged at the top of the workbench, and the front end surface of the workbench is connected with a bearing plate, a dust collection mechanism is arranged between the grinding wheel and the bearing plate, and a dust removal adjusting mechanism is arranged between the dust collection mechanism and the bearing plate, a dust removal replacing mechanism is arranged in the dust collection mechanism, and the dust removal adjusting mechanism is internally provided with a dust removal processing mechanism, the dust collection mechanism internally comprises a dust collection box, the bottom end of the dust collection box is connected with an air inlet pipeline, the outer side of the air inlet pipeline is provided with a centrifugal fan, and the right side of the centrifugal fan is provided with a dust collecting box, the top end of the dust collecting box is provided with a fixed side plate, and the top of the fixed side plate is provided with an interception net, the top end of the interception net is provided with a baffle, and the top of the baffle is provided with an air outlet pipeline.
Further, the inlet of the air inlet pipeline is connected with the outlet of the dust collection box, and the outlet of the air inlet pipeline is connected with the inlet of the centrifugal fan.
Further, the dust removal guiding mechanism is inside to get including holding and to twist the head, and holds the left end surface of getting and twisting the head and be connected with the transmission shaft, the outside threaded connection of transmission shaft has the maintenance lantern ring, and the externally mounted of transmission shaft has the worm wheel, the outside of worm wheel is provided with the worm, and the outside threaded connection of worm has the regulation post, the outside of adjusting the post is provided with the fixed column, and the inside of fixed column has seted up first guide way, the internal connection of first guide way has first guide block.
Furthermore, the adjusting column forms a movable structure with the fixing column through the first guide block, the first guide groove, and the fixing column is symmetrical about the central axis of the bearing plate.
Further, the worm forms a transmission structure with the transmission shaft through the worm wheel, and a transverse axis of the transmission shaft coincides with a transverse axis of the worm wheel.
Further, remove dust and change inside including the locating piece of mechanism, and the inside of locating piece has seted up the screens groove, the internal connection in screens groove has the screens piece, and the bottom of screens piece is connected with the second guide block, the outside of second guide block is provided with the counterpoint piece, and the inside of counterpoint piece is provided with the second guide way, the internally mounted of second guide way has reset spring.
Furthermore, the clamping block and the positioning block form a fixed structure through the clamping groove, and the positioning block is symmetrical relative to the central axis of the workbench.
Further, dust removal processing mechanism is inside including the pulley, and the bottom of pulley installs the slide rail, the right side of pulley is provided with holds and gets the handle, and the outside of holding and getting the handle is provided with logical groove, the right side that leads to the groove is installed and is opened and shut the curb plate, and the bottom of opening and shutting the curb plate is connected with the hinge, the inside threaded connection of the curb plate that opens and shuts has the hand bolt of twisting.
Furthermore, the pulley and the workbench form a movable structure through a slide rail, and the pulley is symmetrical about the central axis of the dust collecting box.
The invention has the technical effects and advantages that:
1. according to the invention, the dust removal mechanism for polishing vanadium-nitrogen alloy comprises a dust collection box, an air inlet pipeline, a centrifugal fan, a dust collection box and the like, when a user polishes by using the polisher, the power supply of the centrifugal fan can be switched on, so that the centrifugal fan starts to work, polishing powder on the dust collection box is effectively absorbed and then flows into the dust collection box inside a workbench through a pipeline, and the top end of the dust collection box is provided with an interception net and a side plate, so that the powder is effectively intercepted and uniformly collected, and the collection effectiveness of the dust removal mechanism for polishing vanadium-nitrogen alloy is effectively improved.
2. According to the invention, when a user polishes by using the polisher, the position of the dust collection box can be adjusted, the twisting head is twisted to rotate the transmission shaft, so that the connected worm wheel drives the worm to rotate, the adjusting rod connected with the worm is subjected to lifting adjustment through thread rotation, the position of the dust collection box is effectively changed, the dust collection box is ensured to fully absorb a polished part, and the collection effectiveness of the dust collection mechanism for polishing vanadium-nitrogen alloy is further improved.
3. According to the invention, when the vanadium-nitrogen alloy is polished, dust is effectively collected and intercepted, the intercepting net is composed of the activated carbon adsorption layer and the efficient filter screen, the dust can be effectively intercepted, the quality of discharged air is ensured, and the phenomenon of dust outflow is avoided.
4. According to the dust collection mechanism for polishing the vanadium-nitrogen alloy, after polished dust falls into the dust collection box through the air inlet pipeline, after the dust collection mechanism is collected for a certain time, a user can screw a hand-screwed bolt on the opening and closing side plate, so that the opening and closing side plate and the workbench can be effectively separated and rotated, the user can pull a holding handle, a pulley is mounted at the bottom end of the dust collection box, a slide rail is arranged inside the workbench, the user can effectively pull out the dust collection box to be recycled, and therefore the collection effectiveness of the dust collection mechanism for polishing the vanadium-nitrogen alloy is further expanded.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic view of the dust collection mechanism of the present invention;
FIG. 3 is a schematic view of the dust removal adjustment mechanism of the present invention;
FIG. 4 is a schematic view of the dust removal change mechanism of the present invention;
FIG. 5 is a schematic view of a dust removal processing mechanism of the present invention;
fig. 6 is an enlarged schematic view at a of the present invention.
Reference numbers in the figures: 1. a work table; 2. grinding the wheel; 3. a carrier plate; 4. a dust collection mechanism; 401. a dust collection box; 402. an air intake duct; 403. a centrifugal fan; 404. a dust collecting box; 405. fixing the side plate; 406. an intercepting net; 407. a baffle plate; 408. an air outlet pipe; 5. a dust removal adjustment mechanism; 501. a twisting head is held; 502. a drive shaft; 503. a retention collar; 504. a worm gear; 505. a worm; 506. an adjustment column; 507. fixing a column; 508. a first guide groove; 509. a first guide block; 6. a dust removal replacement mechanism; 601. positioning blocks; 602. a clamping groove; 603. a bit block; 604. a second guide block; 605. a positioning block; 606. a second guide groove; 607. a return spring; 7. a dust removal processing mechanism; 701. a pulley; 702. a slide rail; 703. a handle is held; 704. a through groove; 705. opening and closing the side plates; 706. a hinge; 707. the bolt is screwed by hand.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
As shown in fig. 1-6, a dust removing mechanism for polishing vanadium-nitrogen alloy comprises a workbench 1, a polishing wheel 2, a bearing plate 3, a dust collecting mechanism 4, a dust box 401, an air inlet pipe 402, a centrifugal fan 403, a dust collecting box 404, a fixed side plate 405, an intercepting net 406, a baffle 407, an air outlet pipe 408, a dust removing adjusting mechanism 5, a holding screw head 501, a transmission shaft 502, a retaining collar 503, a worm wheel 504, a worm 505, an adjusting column 506, a fixed column 507, a first guide groove 508, a first guide block 509, a dust removing replacing mechanism 6, a positioning block 601, a retaining groove 602, a retaining block 603, a second guide block 604, an alignment block 605, a second guide groove 606, a return spring 607, a dust removing processing mechanism 7, a pulley 701, a slide rail 702, a holding handle 703, a through groove 704, an opening and closing side plate 705, a hinge 706 and a hand screw bolt 707, wherein a polishing wheel 2 is installed on the top of the workbench 1, and the front end surface of the bearing plate 3 is connected with the bearing plate, a dust collection mechanism 4 is installed between the grinding wheel 2 and the bearing plate 3, a dust removal adjusting mechanism 5 is arranged between the dust collection mechanism 4 and the bearing plate 3, a dust removal replacing mechanism 6 is installed inside the dust collection mechanism 4, a dust removal processing mechanism 7 is arranged inside the dust removal adjusting mechanism 5, a dust collection box 401 is included inside the dust collection mechanism 4, the bottom end of the dust collection box 401 is connected with an air inlet pipe 402, a centrifugal fan 403 is installed outside the air inlet pipe 402, a dust collection box 404 is arranged on the right side of the centrifugal fan 403, a fixed side plate 405 is installed on the top end of the dust collection box 404, an interception net 406 is arranged on the top of the fixed side plate 405, a baffle 407 is installed on the top end of the interception net 406, and an air outlet pipe 408 is arranged on the top of the baffle 407, wherein the dust removal mechanism for grinding vanadium-nitrogen alloy is composed of the dust collection box 401, the air inlet pipe 402, when the user uses the sander to perform sanding, the power of the centrifugal fan 403 can be turned on, so that the centrifugal fan 403 starts to work, effectively sucks sanding powder on the dust collection box 401, and then flows into the dust collection box 404 inside the workbench 1 through a pipeline.
As shown in fig. 2, an inlet of the air inlet pipe 402 is connected to an outlet of the dust collection box 401, an outlet of the air inlet pipe 402 is connected to an inlet of the centrifugal fan 403, and an interception net 406 and a side plate are arranged at the top end of the dust collection box 404, so that the dust collection mechanism can effectively intercept and collect the powder uniformly, and the collection effectiveness of the dust removal mechanism for polishing vanadium-nitrogen alloy is effectively improved.
As shown in fig. 3, the dust removal adjusting mechanism 5 includes a holding screw head 501 inside, a transmission shaft 502 is connected to a left end surface of the holding screw head 501, a retaining collar 503 is connected to an outer side of the transmission shaft 502 through a thread, a worm wheel 504 is installed outside the transmission shaft 502, a worm 505 is arranged outside the worm wheel 504, an adjusting column 506 is connected to an outer side of the worm 505 through a thread, a fixing column 507 is arranged outside the adjusting column 506, a first guide groove 508 is formed inside the fixing column 507, a first guide block 509 is connected inside the first guide groove 508, a thread is formed inside the adjusting column 506 and connected with the worm 505, so that when the worm 505 rotates, the position of the adjusting column 506 rises.
As shown in fig. 3, the adjusting column 506 forms a movable structure with the fixing column 507 through the first guide block 509, the first guide groove 508, and the fixing column 507 is symmetrical with respect to the central axis of the bearing plate 3, wherein the head of the screw is screwed, so that the transmission shaft 502 is rotated, and the worm wheel 504 connected with the worm wheel drives the worm 505 to rotate, so that the adjusting rod 506 connected with the worm 505 rotates through the screw thread to perform a lifting adjustment function, so that the position of the dust collection box 401 is effectively changed, and the dust collection box 401 is ensured to fully absorb the grinding part.
As shown in fig. 3, the worm 505 and the transmission shaft 502 form a transmission structure through the worm wheel 504, and the transverse axis of the transmission shaft 502 coincides with the transverse axis of the worm wheel 504, wherein the worm 505 is effectively rotated through the rotation of the worm wheel 504, so that the position of the adjusting column 506 is effectively changed.
As shown in fig. 4 and 6, the dust removal replacing mechanism 6 includes a positioning block 601 inside, a positioning groove 602 is formed in the positioning block 601, a positioning block 603 is connected in the positioning groove 602, a second guide block 604 is connected to the bottom end of the positioning block 603, an alignment block 605 is arranged on the outer side of the second guide block 604, a second guide groove 606 is formed in the alignment block 605, a return spring 607 is installed in the second guide groove 606, and a second guide groove 606 is formed in the alignment block 605, so that the positioning block 603 is effectively embedded in the second guide block 604.
As shown in fig. 4 and 6, the blocking block 603 forms a fixed structure with the positioning block 601 through the blocking groove 602, and the positioning block 601 is symmetrical about the central axis of the workbench 1, wherein the intercepting net 406 adopts an activated carbon adsorption layer, and the efficient filter screen is formed, so that the dust can be effectively blocked, the quality of the discharged air is ensured, and the phenomenon of dust outflow is avoided.
As shown in fig. 5, the dust removing mechanism 7 includes a pulley 701 inside, a slide rail 702 is installed at the bottom end of the pulley 701, a holding handle 703 is provided on the right side of the pulley 701, a through groove 704 is provided outside the holding handle 703, an opening and closing side plate 705 is installed on the right side of the through groove 704, a hinge 706 is connected to the bottom end of the opening and closing side plate 705, a hand screw bolt 707 is connected to the internal thread of the opening and closing side plate 705, the pulley 701 is installed at the bottom end of the dust collecting box 404, and the slide rail 702 is installed inside the workbench 1, so that a user can effectively pull out the dust collecting box 404 for recovery processing.
As shown in fig. 5, the pulley 701 and the workbench 1 form a movable structure through a sliding rail 702, and the pulley 701 is symmetrical about the central axis of the dust box 404, wherein the dust box 404 can be rapidly pulled out through the pulley 701 and the sliding rail 702, thereby increasing the working efficiency.
For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.
The working principle of the invention is as follows: the dust removing mechanism for polishing vanadium-nitrogen alloy comprises a dust collecting box 401, an air inlet pipeline 402, a centrifugal fan 403, a dust collecting box 404 and other parts, when a user polishes by using the polisher, the power supply of the centrifugal fan 403 can be switched on, so that the centrifugal fan 403 starts to work, polishing powder on the dust collecting box 401 is effectively sucked and then flows into the dust collecting box 404 inside a workbench 1 through a pipeline, a side plate of an intercepting net 406 is arranged at the top end of the dust collecting box 404, the effect of intercepting and collecting powder in a unified manner is effectively achieved, the collecting effectiveness of the dust removing mechanism for polishing vanadium-nitrogen alloy is effectively improved, when the user polishes by using the polisher, the position of the dust collecting box 401 can be adjusted, a twisting head is firstly twisted, a transmission shaft 502 is rotated, and a worm wheel 504 connected with the worm wheel drives a worm 505 to rotate, the adjusting rod 506 connected with the worm 505 is rotated by the screw thread to perform the lifting adjustment function, so that the position of the dust collection box 401 is effectively changed, the dust collection box 401 is ensured to fully absorb the grinding part, the collection effectiveness of the dust removal mechanism for grinding vanadium-nitrogen alloy is further improved, when the vanadium-nitrogen alloy is ground, dust is effectively collected and intercepted, the intercepting net 406 is composed of an activated carbon adsorption layer and a high-efficiency filter net, the dust can be effectively intercepted, the quality of discharged air is ensured, the phenomenon of dust outflow is avoided, after the dust removal mechanism is used for a period of time, the clamping block 603 can be pushed into the inner groove of the positioning block 605, so that the positioning block 605 and the positioning block 601 are effectively separated, the intercepting net 406 is convenient for a user to replace, and the collection effectiveness and stability of the dust removal mechanism for grinding vanadium-nitrogen alloy are effectively improved, after dust after polishing falls into ash-collecting box 404 through inlet duct 402, after collecting the certain time, then the user can twist bolt 707 with the hand on the curb plate 705 of opening and shutting and twist and move, make curb plate 705 and the effectual separation of workstation 1 rotate, then the user can be with holding and get the pulling of handle 703, wherein pulley 701 is installed to ash-collecting box 404's bottom, workstation 1's inside is provided with slide rail 702, make the effectual dust-collecting box 404 that will collect of user carry out recovery processing, thereby further enlarged this dust removal mechanism's of polishing vanadium nitrogen alloy collection validity.
The above embodiments are preferred embodiments of the present invention, and those skilled in the art can make variations and modifications to the above embodiments, therefore, the present invention is not limited to the above embodiments, and any obvious improvements, substitutions or modifications made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (9)
1. The utility model provides a dust removal mechanism of vanadium nitrogen alloy polishes, includes workstation (1), its characterized in that: the dust collecting device is characterized in that a polishing wheel (2) is installed at the top of the workbench (1), a bearing plate (3) is connected to the front end face of the workbench (1), a dust collecting mechanism (4) is installed between the polishing wheel (2) and the bearing plate (3), a dust removing adjusting mechanism (5) is arranged between the dust collecting mechanism (4) and the bearing plate (3), a dust removing replacing mechanism (6) is installed inside the dust collecting mechanism (4), a dust removing processing mechanism (7) is arranged inside the dust removing adjusting mechanism (5), a dust collecting box (401) is arranged inside the dust collecting mechanism (4), the bottom end of the dust collecting box (401) is connected with an air inlet pipeline (402), a centrifugal fan (403) is installed outside the air inlet pipeline (402), an ash collecting box (404) is arranged on the right side of the centrifugal fan (403), and a fixed side plate (405) is installed at the top end of the ash collecting box (404), and the top of the fixed side plate (405) is provided with an interception net (406), the top end of the interception net (406) is provided with a baffle (407), and the top of the baffle (407) is provided with an air outlet pipeline (408).
2. The dust removal mechanism of polishing vanadium nitrogen alloy of claim 1, characterized in that: the inlet of the air inlet pipeline (402) is connected with the outlet of the dust collection box (401), and the outlet of the air inlet pipeline (402) is connected with the inlet of the centrifugal fan (403).
3. The dust removal mechanism of polishing vanadium nitrogen alloy of claim 1, characterized in that: the dust removal adjustment mechanism (5) is inside including holding and getting to twist head (501), and the left end surface of holding and getting to twist head (501) is connected with transmission shaft (502), the outside threaded connection of transmission shaft (502) has a maintenance lantern ring (503), and the externally mounted of transmission shaft (502) has worm wheel (504), the outside of worm wheel (504) is provided with worm (505), and the outside threaded connection of worm (505) has regulation post (506), the outside of adjusting post (506) is provided with fixed column (507), and first guide way (508) have been seted up to the inside of fixed column (507), the internal connection of first guide way (508) has first guide block (509).
4. The dust removal mechanism of polishing vanadium nitrogen alloy of claim 3, characterized in that: the adjusting column (506) forms a movable structure with the fixing column (507) through the first guide block (509), the first guide groove (508), and the fixing column (507) is symmetrical relative to the central axis of the bearing plate (3).
5. The dust removal mechanism of polishing vanadium nitrogen alloy of claim 3, characterized in that: the worm (505) and the transmission shaft (502) form a transmission structure through the worm wheel (504), and the transverse axis of the transmission shaft (502) is coincident with the transverse axis of the worm wheel (504).
6. The dust removal mechanism of polishing vanadium nitrogen alloy of claim 1, characterized in that: dust removal change mechanism (6) is inside including locating piece (601), and screens groove (602) have been seted up to the inside of locating piece (601), the internal connection in screens groove (602) has screens piece (603), and the bottom of screens piece (603) is connected with second guide block (604), the outside of second guide block (604) is provided with counterpoint piece (605), and the inside of counterpoint piece (605) is provided with second guide way (606), the internally mounted of second guide way (606) has reset spring (607).
7. The dust removal mechanism of polishing vanadium nitrogen alloy of claim 6, characterized in that: the clamping block (603) and the positioning block (601) form a fixed structure through the clamping groove (602), and the positioning block (601) is symmetrical about the central axis of the workbench (1).
8. The dust removal mechanism of polishing vanadium nitrogen alloy of claim 1, characterized in that: dust removal processing agency (7) are inside including pulley (701), and slide rail (702) are installed to the bottom of pulley (701), the right side of pulley (701) is provided with holds and gets handle (703), and the outside of holding and getting handle (703) is provided with logical groove (704), the right side that leads to groove (704) is installed and is opened and shut curb plate (705), and the bottom of opening and shutting curb plate (705) is connected with hinge (706), the internal thread connection that opens and shuts curb plate (705) has hand bolt (707).
9. The dust removal mechanism of polishing vanadium nitrogen alloy of claim 7, characterized in that: the pulley (701) and the workbench (1) form a movable structure through a sliding rail (702), and the pulley (701) is symmetrical about the central axis of the dust collecting box (404).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011457807.XA CN112571284A (en) | 2020-12-10 | 2020-12-10 | Dust removal mechanism of vanadium nitrogen alloy polishes |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011457807.XA CN112571284A (en) | 2020-12-10 | 2020-12-10 | Dust removal mechanism of vanadium nitrogen alloy polishes |
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| CN112571284A true CN112571284A (en) | 2021-03-30 |
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| CN202011457807.XA Pending CN112571284A (en) | 2020-12-10 | 2020-12-10 | Dust removal mechanism of vanadium nitrogen alloy polishes |
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| KR20100124560A (en) * | 2009-05-19 | 2010-11-29 | 조규섭 | A filter and grinder cinder catcher that use this |
| CN206662854U (en) * | 2017-02-28 | 2017-11-24 | 苏州廖若机电科技有限公司 | One kind rolls driving stainless steel processing waste material collecting mechanism |
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Application publication date: 20210330 |