CN107695810B - Two-sided high-efficient grinding device of dust fall shaped steel board - Google Patents
Two-sided high-efficient grinding device of dust fall shaped steel board Download PDFInfo
- Publication number
- CN107695810B CN107695810B CN201710838081.6A CN201710838081A CN107695810B CN 107695810 B CN107695810 B CN 107695810B CN 201710838081 A CN201710838081 A CN 201710838081A CN 107695810 B CN107695810 B CN 107695810B
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- plate
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- steel plate
- positioning
- water
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 54
- 239000010959 steel Substances 0.000 title claims abstract description 54
- 239000000428 dust Substances 0.000 title claims abstract description 10
- 238000005498 polishing Methods 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 56
- 239000007921 spray Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000007494 plate polishing Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
-
- 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
-
- 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
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/02—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor involving a reciprocatingly-moved work-table
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a dust fall type steel plate double-sided efficient polishing device which comprises an operation chamber, wherein a driven shaft is vertically and rotatably arranged in the operation chamber, and a polishing plate is coaxially and fixedly arranged at the bottom end of a driving shaft; the left end of the square frame is horizontally provided with a guide rod which is in sliding connection with the left side wall of the operating room, and the right end of the support is horizontally provided with a slide rod which is in movable connection with the vertical plate; the sliding rod on the vertical plate at the right end of the upper surface of the bearing table is sleeved with a limit spring, the right side of the vertical plate at the right end is fixedly provided with a positioning plate, the center of the positioning plate is provided with a center hole, and the positioning plate is provided with an upper positioning hole and a lower positioning hole which are vertically symmetrical up and down relative to the center of the center hole; the steel plate polishing device is ingenious in structure and reasonable in design, the polishing plate is driven by the driving motor to rotationally polish the steel plate, the polishing range is wider, and the steel plate polishing efficiency is improved; the rotating slide bar drives the L-shaped positioning shaft to rotate, so that the steel plate can be polished on two sides, and the overturning operation is simple and convenient.
Description
Technical Field
The invention relates to the technical field of steel plate polishing, in particular to a dust-falling type steel plate double-sided efficient polishing device.
Background
The steel plate is a flat plate steel material which is formed by pouring molten steel, cooling and pressing. The steel plates are divided according to thickness, the thickness of the steel plates is less than 4 mm and the thinnest thickness of the steel plates is 0.2 mm, the thickness of the steel plates is 4-60 mm, and the thickness of the steel plates is 60-115 mm. The steel sheet is divided into hot rolled and cold rolled according to rolling.
In the machining trade, to carrying out punching press, cutting and make the rust cleaning work of polishing on surface to the steel sheet before the part to getting rid of rust on steel sheet surface, burr, guarantee the level and smooth of steel sheet surface, current steel sheet grinding device is not good to the effect of polishing of steel sheet, and the effect of polishing is relatively poor, because the steel sheet two sides all need polish, current grinding device is relatively poor to the upset effect of steel sheet, the double-sided operation of polishing of steel sheet of being inconvenient for.
Disclosure of Invention
The invention aims to provide a dust-falling type steel plate double-sided efficient polishing device so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the double-sided efficient grinding device for the dust-falling steel plate comprises an operation chamber, wherein a driven shaft is vertically and rotatably arranged in the operation chamber, a driven belt wheel and a driving bevel gear are arranged on the driven shaft, a rotating shaft is horizontally and rotatably arranged in the operation chamber, and a driven bevel gear meshed with the driving bevel gear is coaxially and fixedly arranged at the left end of the rotating shaft; an extension plate which extends leftwards is horizontally and fixedly arranged on the right side wall of the operation chamber, a driving motor is fixedly and reversely arranged on the lower bottom surface of the extension plate, a driving shaft is connected to an output shaft of the driving motor, a driving belt pulley is arranged on the driving shaft, and a transmission belt is wound between the driving belt pulley and the driven belt pulley; a polishing plate is coaxially and fixedly arranged at the bottom end of the driving shaft; a square frame is arranged in the operation chamber, a first straight rack and a second straight rack which are parallel to each other are arranged on the inner side wall of the square frame, an incomplete gear which is matched with the first straight rack and the second straight rack is coaxially and fixedly arranged at the bottom of the driven shaft, a guide rod which is in sliding connection with the left side wall of the operation chamber is horizontally arranged at the left end of the square frame, a connecting rod is horizontally and fixedly arranged at the right end of the square frame, the bottom of the operating room is provided with a limit sliding block in a sliding manner, the upper end of the limit sliding block is fixedly provided with a bearing table, the left end and the right end of the upper surface of the bearing table are vertically and fixedly provided with vertical plates, the vertical plates are respectively provided with a clamping device in a rotating manner, the clamping devices comprise a support, the support is horizontally provided with a spring clamping plate, and the right end of the support is horizontally provided with a sliding rod movably connected with the vertical plates; the sliding rod on the vertical plate at the right end of the upper surface of the bearing table is sleeved with a limit spring, the right side of the vertical plate at the right end is fixedly provided with a positioning plate, the center of the positioning plate is provided with a center hole, the positioning plate penetrates through the center hole, and the positioning plate is provided with an upper positioning hole and a lower positioning hole which are vertically symmetrical up and down relative to the center of the center hole; the surface of the sliding rod on the right-end vertical plate is provided with an L-shaped positioning shaft in clearance fit with the upper positioning hole and the lower positioning hole; the right end of the rotating shaft is coaxially and fixedly provided with a rotating wheel, the right side surface of the rotating wheel is eccentrically and rotatably provided with a convex shaft, a pull rope is arranged on the convex shaft, the right side wall of the operating room is fixedly provided with a water collecting tank through a bracket, a piston head is arranged in the water collecting tank in a vertical sliding mode, a reset spring is connected between the piston head and the upper inner side wall of the water collecting tank, the pull rope vertically penetrates through the reset spring, and one end, far away from the convex shaft, of the pull rope is fixed on the upper surface of the piston head; the left side of the water collection tank is communicated with a water outlet hose which stretches into the operation room left, a first one-way valve is arranged on the water outlet hose, a spray head is arranged at one end, far away from the water collection tank, of the water outlet hose, a water inlet hose communicated with an external water source is arranged on the water collection tank, and a second one-way valve is arranged on the water inlet hose.
As an improvement scheme of the invention: the limiting spring is positioned between the limiting sliding block and the vertical plate.
As an improvement scheme of the invention: the conduction direction of the first one-way valve is from the water collection tank to the spray head along the water outlet hose.
As an improvement scheme of the invention: the conduction direction of the second one-way valve is from an external water source to the water collection tank along the water inlet hose.
As an improvement scheme of the invention: the driven belt pulley and the driving belt pulley are positioned at the same height.
As an improvement scheme of the invention: the spray heads are arranged towards the bearing table.
Compared with the prior art, the invention has the beneficial effects that:
the steel plate polishing device is ingenious in structure and reasonable in design, the polishing plate is driven by the driving motor to rotationally polish the steel plate, and meanwhile, the bearing table drives the steel plate to do left-right reciprocating motion, so that the polishing range of the steel plate is wider, and the steel plate polishing efficiency is improved; the rotating slide bar drives the L-shaped positioning shaft to rotate, the L-shaped positioning shaft is inserted into the upper positioning hole or the lower positioning hole to realize the overturning of the steel plate, so that the steel plate can be polished on two sides, and the overturning operation is simple and convenient; the piston head reciprocates up and down in the water collecting tank to realize that the spray head intermittently sprays water on the surface of the steel plate, so that a good dust removing and settling effect is achieved, dust diffusion is avoided, and the environment is protected.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an enlarged schematic view of the portion a in fig. 1.
FIG. 3 is a schematic diagram showing the connection of the ring frame and the incomplete gear in the present invention.
FIG. 4 is a schematic view of a positioning plate according to the present invention
In the figure: 1-operating room, 2-square frame, 3-polishing board, 4-driving shaft, 5-driving motor, 6-driving pulley, 7-shower nozzle, 8-water hose, 9-first check valve, 10-header tank, 11-second check valve, 12-water hose, 13-reset spring, 14-stay cord, 15-protruding axle, 16-runner, 17-extension board, 18-rotation axis, 19-driven bevel gear, 20-driven shaft, 21-driving bevel gear, 22-driven pulley, 23-driving belt, 24-connecting rod, 25-guide bar, 26-limit slider, 27-riser, 28-support, 29-spring clip, 30-limit spring, 31-limit spring, 32-positioning disk, 33-upper positioning hole, 34-center hole, 35-lower positioning hole, 36-L-shaped positioning axle, 37-slide bar, 38-first straight rack, 39-second straight rack, 40-incomplete gear, 41-piston head.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments:
referring to fig. 1-4, a dust-falling type steel plate double-sided efficient polishing device comprises an operation room 1, wherein a driven shaft 20 is vertically and rotatably arranged in the operation room 1, a driven belt pulley 22 and a driving bevel gear 21 are arranged on the driven shaft 20, a rotating shaft 18 is horizontally and rotatably arranged in the operation room 1, and a driven bevel gear 19 in meshed connection with the driving bevel gear 21 is coaxially and fixedly arranged at the left end of the rotating shaft 18; an extension plate 17 extending leftwards is horizontally and fixedly arranged on the right side wall of the operation chamber 1, a driving motor 5 is fixedly and reversely arranged on the lower bottom surface of the extension plate 17, a driving shaft 4 is connected to the output shaft of the driving motor 5, a driving belt pulley 6 is arranged on the driving shaft 4, and a transmission belt 23 is wound between the driving belt pulley 6 and a driven belt pulley 22; the bottom end of the driving shaft 4 is coaxially and fixedly provided with a polishing plate 3; the device comprises an operation room 1, wherein a square frame 2 is arranged in the operation room 1, a first straight rack 38 and a second straight rack 39 which are parallel to each other are arranged on the inner side wall of the square frame 2, an incomplete gear 40 matched with the first straight rack 38 and the second straight rack 39 is coaxially and fixedly arranged at the bottom of a driven shaft 20, a guide rod 25 which is in sliding connection with the left side wall of the operation room 1 is horizontally arranged at the left end of the square frame 2, a connecting rod 24 is horizontally and fixedly arranged at the right end of the square frame 2, a limit slide block 26 is slidably arranged at the bottom of the operation room 1, a bearing table 31 is fixedly arranged at the upper end of the limit slide block 26, vertical plates 27 are vertically and fixedly arranged at the left end and the right end of the upper surface of the bearing table 31, clamping devices are rotatably arranged on the vertical plates 27, the clamping devices comprise a support 28, a spring clamping plate 29 is horizontally arranged on the support 28, and a slide rod 37 which is movably connected with the vertical plates 27 is horizontally arranged at the right end of the support 28; the slide bar 37 on the right-end vertical plate 27 on the upper surface of the bearing table 31 is sleeved with a limit spring 30, the right side of the right-end vertical plate 27 is fixedly provided with a positioning plate 32, the center of the positioning plate 32 is provided with a center hole 34, the positioning plate 32 penetrates through the center hole 34, and the positioning plate 32 is provided with an upper positioning hole 33 and a lower positioning hole 35 which are vertically symmetrical about the center of the center hole 34; the surface of a slide bar 37 on the right-end vertical plate 27 is provided with an L-shaped positioning shaft 36 in clearance fit with the upper positioning hole 33 and the lower positioning hole 35; the right end of the rotating shaft 18 is coaxially and fixedly provided with a rotating wheel 16, the right side surface of the rotating wheel 16 is eccentrically and rotatably provided with a convex shaft 15, the convex shaft 15 is provided with a pull rope 14, the right side wall of the operating room 1 is fixedly provided with a water collecting tank 10 through a bracket, a piston head 41 is arranged in the water collecting tank 10 in a vertical sliding manner, a reset spring 13 is connected between the piston head 41 and the upper inner side wall of the water collecting tank 10, the pull rope 14 vertically penetrates through the inside of the reset spring 13, and one end, far away from the convex shaft 15, of the pull rope 14 is fixed on the upper surface of the piston head 41; the left side of the water collection tank 10 is communicated with a water outlet hose 8 which stretches into the operation room 1 leftwards, a first one-way valve 9 is arranged on the water outlet hose 8, a spray head 7 is arranged at one end, far away from the water collection tank 10, of the water outlet hose 8, a water inlet hose 12 communicated with an external water source is arranged on the water collection tank 10, and a second one-way valve 11 is arranged on the water inlet hose 12.
The working principle and the using method of the invention are as follows:
in the initial state, the L-shaped positioning shaft 36 is inserted into the upper positioning hole 33, and the steel plate to be polished is clamped and fixed by the spring clamping plate 29; starting a driving motor 5 to drive a driving shaft 4 to rotate, and driving the driving shaft 4 to drive a polishing plate 3 to rotate, wherein the polishing plate 3 rotates to polish the upper surface of the steel plate; the driving belt wheel 6 is driven by the driving shaft 4, the driven belt wheel 22 is driven by the driving belt 6 to rotate through the driving belt 23, the driven shaft 20 is driven by the driven belt 22 to rotate, the incomplete gear 40 is driven by the driven shaft 20 to rotate, the incomplete gear 40 is intermittently meshed with the first straight rack 38 and the second straight rack 39 in rotation, the square frame 2 is driven to reciprocate left and right, the square frame 2 drives the bearing table 31 and the limiting slide block 26 to reciprocate left and right through the connecting rod 24, and further the left and right reciprocating motion of a steel plate is realized, the polishing range of the steel plate is wider, and the polishing efficiency of the steel plate is improved.
After the upper surface of the steel plate is polished, the slide bar 37 is pulled rightward, the limiting spring 30 deforms and compresses, the L-shaped positioning shaft 36 is pulled out of the upper positioning hole 33, the L-shaped positioning shaft 36 is inserted into the lower positioning hole 35 to realize positioning after one hundred and eighty degrees of the slide bar 37 are rotated, at the moment, the spring clamping plate 29 drives the steel plate to rotate one hundred and eighty degrees, the steel plate is overturned, the lower surface is upward, and further, the lower surface of the steel plate is polished, so that the steel plate can be polished on two sides, and the overturning operation is simple and convenient.
The driven shaft 20 drives the driving bevel gear 21 to rotate, the driving bevel gear 21 drives the rotating shaft 18 to rotate through the driven bevel gear 19 which is meshed with the driving bevel gear 21, the rotating shaft 18 drives the rotating wheel 16 to rotate, the rotating wheel 16 drives the convex shaft 15 which is rotationally connected with the rotating wheel 16 to rotate around the central line of the rotating wheel 16, the convex shaft 15 drives the pull rope 14 to pull the piston head 41 up and down to reciprocate under the elastic action of the reset spring 13, when the piston head 41 moves upwards, an external water source enters the water collecting tank 10 through the water inlet hose 12, when the piston head 41 moves downwards, water in the water collecting tank 10 is conveyed into the spray head 7 through the water outlet hose 8 after being extruded, the spray head 7 sprays water to the steel plate, so that a good dust removing and reducing effect is achieved, the diffusion of dust is avoided, and the water collecting tank is more environment-friendly.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a two-sided high-efficient grinding device of dust fall type steel sheet, includes operating room (1), its characterized in that, vertical rotation is equipped with driven shaft (20) in operating room (1), is equipped with driven pulley (22) and initiative bevel gear (21) on driven shaft (20), and horizontal rotation is equipped with rotation axis (18) in operating room (1), and rotation axis (18) left end coaxial fixed mounting has driven bevel gear (19) with initiative bevel gear (21) meshing connection; an extension plate (17) extending leftwards is horizontally and fixedly arranged on the right side wall of the operation chamber (1), a driving motor (5) is fixedly and reversely arranged on the lower bottom surface of the extension plate (17), a driving shaft (4) is connected to the output shaft of the driving motor (5), a driving belt wheel (6) is arranged on the driving shaft (4), and a transmission belt (23) is wound between the driving belt wheel (6) and a driven belt wheel (22); the bottom end of the driving shaft (4) is coaxially and fixedly provided with a polishing plate (3); the automatic control device is characterized in that a square frame (2) is arranged in the operation room (1), a first straight rack (38) and a second straight rack (39) which are parallel to each other are arranged on the inner side wall of the square frame (2), an incomplete gear (40) which is matched with the first straight rack (38) and the second straight rack (39) is coaxially and fixedly arranged at the bottom of the driven shaft (20), a guide rod (25) which is in sliding connection with the left side wall of the operation room (1) is horizontally arranged at the left end of the square frame (2), a connecting rod (24) is horizontally and fixedly arranged at the right end of the square frame (2), a limit sliding block (26) is slidably arranged at the bottom of the operation room (1), a bearing table (31) is fixedly arranged at the upper end of the limit sliding block (26), a vertical plate (27) is vertically and fixedly arranged at the left end and the right end of the upper surface of the bearing table (31), a clamping device is rotatably arranged on the vertical plate (27), the clamping device comprises a support (28), a spring clamping plate (29) is horizontally arranged on the support (28), and one end of the support (28) away from the spring clamping plate (29) is horizontally provided with a sliding rod (37) which is movably connected with the vertical plate (27); a limiting spring (30) is sleeved on a sliding rod (37) on a vertical plate (27) positioned at the right end of the upper surface of the bearing table (31), a positioning plate (32) is fixedly arranged on the right side of the vertical plate (27) positioned at the right end, a central hole (34) is formed in the center of the positioning plate (32), the positioning plate (32) penetrates through the central hole (34), and an upper positioning hole (33) and a lower positioning hole (35) which are vertically symmetrical about the center of the central hole (34) are formed in the positioning plate (32); an L-shaped positioning shaft (36) which is in clearance fit with the upper positioning hole (33) and the lower positioning hole (35) is arranged on the surface of a sliding rod (37) on the vertical plate (27) at the right end; the right end of the rotating shaft (18) is coaxially and fixedly provided with a rotating wheel (16), the right side surface of the rotating wheel (16) is eccentrically and rotatably provided with a convex shaft (15), the convex shaft (15) is provided with a pull rope (14), the right side wall of the operating room (1) is fixedly provided with a water collecting tank (10) through a bracket, a piston head (41) is arranged in the water collecting tank (10) in a sliding manner up and down, a return spring (13) is connected between the piston head (41) and the upper inner side wall of the water collecting tank (10), the pull rope (14) vertically penetrates through the inside of the return spring (13), and one end, far away from the convex shaft (15), of the pull rope (14) is fixed on the upper surface of the piston head (41); the water collecting tank (10) left side intercommunication has the play water hose (8) that stretches into operation room (1) inside left, installs first check valve (9) on play water hose (8), and water hose (8) are kept away from water collecting tank (10) one end and are equipped with shower nozzle (7), are equipped with on water collecting tank (10) with outside water source intercommunication intake hose (12), install second check valve (11) on intake hose (12).
2. The dust-falling type steel plate double-sided efficient grinding device according to claim 1, wherein the limiting spring (30) is located between the limiting slider (26) and the vertical plate (27).
3. The dust fall type steel plate double-sided efficient polishing device according to claim 1, wherein the conducting direction of the first one-way valve (9) is from the water collection tank (10) to the spray head (7) along the water outlet hose (8).
4. The dust fall type steel plate double-sided efficient grinding device according to claim 1, wherein the conduction direction of the second one-way valve (11) is from an external water source to the water collection tank (10) along the water inlet hose (12).
5. The dust-falling type steel plate double-sided efficient grinding device according to claim 1, wherein the driven belt wheel (22) and the driving belt wheel (6) are positioned at the same height.
6. The dust-falling type steel plate double-sided efficient polishing device according to claim 1, wherein the spray head (7) is arranged towards the bearing table (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710838081.6A CN107695810B (en) | 2017-09-18 | 2017-09-18 | Two-sided high-efficient grinding device of dust fall shaped steel board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710838081.6A CN107695810B (en) | 2017-09-18 | 2017-09-18 | Two-sided high-efficient grinding device of dust fall shaped steel board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107695810A CN107695810A (en) | 2018-02-16 |
| CN107695810B true CN107695810B (en) | 2023-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710838081.6A Active CN107695810B (en) | 2017-09-18 | 2017-09-18 | Two-sided high-efficient grinding device of dust fall shaped steel board |
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| CN (1) | CN107695810B (en) |
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