CN219504338U - Grinding device for manufacturing wear-resistant composite steel plate - Google Patents
Grinding device for manufacturing wear-resistant composite steel plate Download PDFInfo
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- CN219504338U CN219504338U CN202320600106.XU CN202320600106U CN219504338U CN 219504338 U CN219504338 U CN 219504338U CN 202320600106 U CN202320600106 U CN 202320600106U CN 219504338 U CN219504338 U CN 219504338U
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- steel plate
- polishing
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- motor
- wear
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- 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 utility model discloses a polishing device for manufacturing a wear-resistant composite steel plate, which relates to the technical field of composite steel plate production and comprises a main body, wherein an electric telescopic rod is arranged at the upper end of the main body, a moving device is arranged at one end of the electric telescopic rod, a dust collection device is arranged at the upper end of the moving device, a rotary table is arranged at one side of the electric telescopic rod, a third screw rod is arranged at one side of the rotary table, and a fixing device is arranged at one end of the third screw rod. According to the utility model, the electric push rod is started, the electric push rod drives the polishing disc to contact with the joint surface of the composite steel plate, and then the polishing motor is started, so that the polishing motor drives the polishing disc to rotate rapidly, thereby polishing the composite steel plate, and then the screw rod drives the threaded sleeve to move in cooperation, so that the polishing disc is driven to move back and forth to finish polishing different areas of the composite steel plate, and the working efficiency and the practicability of the polishing device are improved.
Description
Technical Field
The utility model relates to the technical field of composite steel plate production, in particular to a polishing device for manufacturing a wear-resistant composite steel plate.
Background
The thin plates are classified according to steel grades, and include common steel, high-quality steel, alloy steel, spring steel, stainless steel, tool steel, heat-resistant steel, bearing steel, silicon steel, industrial pure iron thin plates and the like; according to professional applications, there are plates for oil tanks, plates for enamels, plates for bullets, etc.; the surface is coated with a plating layer, and the plating layer is made of a galvanized sheet, a tinned sheet, a lead plated sheet, a plastic composite steel plate, and the like. The steel plate is very frequently used, has a non-negligible effect on human development, and needs to be polished in the production and manufacturing processes. The following problems exist in the prior art:
1. the existing grinding device for manufacturing the wear-resistant composite steel plate is inconvenient to grind two sides, when the other side needs to be ground, the composite steel plate needs to be manually taken down to turn over and then is fixed again, time and labor are wasted, so that the working efficiency is reduced, when the composite steel plate is fixed, the position of the fixing device cannot be adjusted according to the size of the composite steel plate, and the composite steel plates with different sizes need to be fixed by the fixing devices matched with the fixing device, so that the applicability of the whole device is reduced;
2. the existing grinding device for manufacturing the wear-resistant composite steel plate can generate a large amount of scraps and dust after grinding, so that the scraps and dust are difficult to clean, and the dust can be easily scattered and flying in the air, so that the working environment is polluted, and the body of a worker is influenced; meanwhile, polishing is not convenient to be performed on different positions of the composite steel plate, and due to the fact that the sizes of some composite steel plates are large, when polishing is finished on one area, the positions of the composite steel plates are required to be manually adjusted to polish other areas, so that the using effect of the device is reduced.
Disclosure of Invention
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a wear-resisting clad steel plate manufacturing is with grinding device, includes the main part, the upper end of main part is provided with electric telescopic handle, electric telescopic handle's one end is provided with mobile device, mobile device's upper end is provided with dust extraction, one side of electric telescopic handle is provided with the carousel, one side of carousel is provided with the third screw rod, the one end of third screw rod is provided with fixing device.
The technical scheme of the utility model is further improved as follows: the fixing device comprises a first motor, one end of the first motor is provided with a rotating shaft, one end of the rotating shaft is provided with a driving gear, one end of the driving gear is provided with a driven gear, one side of the driven gear is provided with a first screw rod, one end of the first screw rod is provided with a clamping seat, the inner side of the clamping seat is provided with a second screw rod, one end of the second screw rod is provided with a clamping block, and one side of the clamping block is provided with a rubber pad.
The technical scheme of the utility model is further improved as follows: the dust collection device comprises a dust collection cover, a dust collection pipe is arranged at one end of the dust collection cover, a collection box is arranged at one end of the dust collection pipe, a filter screen is arranged on the inner side of the collection box, an exhaust fan is arranged at the upper end of the collection box, and an exhaust pipe is arranged at one side of the exhaust fan.
The technical scheme of the utility model is further improved as follows: the mobile device is including the second motor, the one end of second motor is provided with the lead screw, the outside of lead screw is provided with the thread bush, one side of thread bush is provided with the slider, one side of slider is provided with the spout, one side of thread bush is provided with electric putter, electric putter's lower extreme is provided with the motor of polishing, the lower extreme of motor of polishing is provided with the mill.
The technical scheme of the utility model is further improved as follows: one end of the driving gear is meshed with one end of the driven gear, one side of the driven gear is rotationally connected with one side of the first screw rod, one end of the first screw rod is fixedly connected with one side of the clamping seat, and the inner side of the clamping seat is in threaded connection with one side of the second screw rod.
The technical scheme of the utility model is further improved as follows: one end of the dust hood is fixedly connected with one end of the dust collection pipe, one side of a collecting box at one end of the dust collection pipe is fixedly connected, and the inner side of the collecting box is detachably connected with one end of the filter screen.
The technical scheme of the utility model is further improved as follows: the outside of lead screw and the inboard threaded connection of thread bush, the lower extreme of thread bush and electric putter's top fixed connection, one side of slider and the inboard sliding connection of spout.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides a grinding device for manufacturing a wear-resistant composite steel plate, which comprises a first screw, a driven gear, a driving gear, a rotating shaft, a first motor, a clamping seat, a rubber pad, a clamping block and a second screw, wherein under the combined action of the first screw, the driven gear, the driving gear, the rotating shaft, the first motor, the clamping seat, the rubber pad, the clamping block and the second screw, when the composite steel plate is required to be ground, the rotating disc drives a third screw to rotate, so that the fixing device can be adjusted according to the size of the composite steel plate, when the third screw is adjusted to a proper position, the third screw stops rotating, the second screw is rotated instead, one end of the second screw is driven by the clamping seat to move relative to the composite steel plate, the rubber pad on one side of the clamping block is abutted to the composite steel plate, so that the composite steel plate on the clamping seat can be clamped and fixed, and the friction force between the clamping block and the composite steel plate is increased by arranging the rubber pad, so that the situation that the composite steel plate is offset is generated when the composite steel plate is processed and ground is avoided, the precision of the composite steel plate is processed, when the composite steel plate is required to be ground, the grinding is improved, when the composite steel plate is ground, the motor is required to be ground, the motor is stopped to be driven to rotate, the third screw, the rotating is instead of rotating the second screw, and the first motor is driven by the motor to drive the first motor to rotate the driven gear, and the driven gear to rotate, so that the driving gear is driven by the rotating shaft to rotate.
2. The utility model provides a polishing device for manufacturing a wear-resistant composite steel plate, which is characterized in that under the combined action of a filter screen, an exhaust pipe, an exhaust fan, a collecting box, a dust suction pipe and a dust suction hood, when the composite steel plate is polished, certain fragments and dust are generated, at the moment, by starting an electric telescopic rod, the electric telescopic rod drives a moving device to move downwards and simultaneously drives the dust suction device to move downwards together, so that the dust suction hood always keeps sucking dust generated during polishing at two sides of a polishing disc, when the dust is sucked, the exhaust fan absorbs the dust generated during polishing into the collecting box through the dust suction hood and the dust suction pipe, the dust is filtered through the filter screen in the collecting box, and the filtered gas is discharged from the exhaust pipe.
3. The utility model provides a polishing device for manufacturing a wear-resistant composite steel plate, which is characterized in that under the combined action of a second motor, a screw rod, a sliding groove, a sliding block, a thread bush, an electric push rod, a polishing disc and a polishing motor, the output end of the second motor drives the screw rod to rotate, the threads on the outer side of the screw rod are connected with the threads on the inner side of the thread bush through threads, so that the screw rod drives the thread bush to move on the surface of the screw rod during rotation, the polishing disc is driven to move horizontally through starting the electric telescopic rod to move downwards to the position above the composite steel plate, then the electric push rod is started, the polishing disc is driven to contact with the contact surface of the composite steel plate by starting the electric push rod, then the polishing motor is started, the polishing disc is driven to rotate rapidly, so that polishing operation can be carried out on the composite steel plate, then the screw rod drives the polishing disc to move back and forth under the cooperation of the movement of the thread bush, the working efficiency and the practicability of the polishing device are improved, and the thread bush is limited under the cooperation of the sliding block and the sliding groove, so that the thread bush is kept horizontally moving all the time, and the stability during movement is ensured.
Drawings
FIG. 1 is a schematic structural view of a polishing device for manufacturing a wear-resistant clad steel plate according to the present utility model;
FIG. 2 is a schematic structural view of the fixing device of the present utility model;
fig. 3 is a schematic structural view of a dust suction device according to the present utility model;
fig. 4 is a schematic structural diagram of a mobile device according to the present utility model.
In the figure: 1. a main body; 2. a fixing device; 21. a first screw; 22. a driven gear; 23. a drive gear; 24. a rotating shaft; 25. a first motor; 26. a clamping seat; 27. a rubber pad; 28. a clamping block; 29. a second screw; 3. a dust collection device; 31. a filter screen; 32. an exhaust pipe; 33. an exhaust fan; 34. a collection box; 35. a dust collection pipe; 36. a dust hood; 4. a mobile device; 41. a second motor; 42. a screw rod; 43. a chute; 44. a slide block; 45. a thread sleeve; 46. an electric push rod; 47. polishing the grinding disc; 48. polishing a motor; 5. a third screw; 6. a turntable; 7. an electric telescopic rod.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1-4, the utility model provides a polishing device for manufacturing a wear-resistant composite steel plate, which comprises a main body 1, wherein an electric telescopic rod 7 is arranged at the upper end of the main body 1, a moving device 4 is arranged at one end of the electric telescopic rod 7, a dust collection device 3 is arranged at the upper end of the moving device 4, a rotary table 6 is arranged at one side of the electric telescopic rod 7, a third screw 5 is arranged at one side of the rotary table 6, and a fixing device 2 is arranged at one end of the third screw 5.
Example 2
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the fixing device 2 includes a first motor 25, one end of the first motor 25 is provided with a rotating shaft 24, one end of the rotating shaft 24 is provided with a driving gear 23, one end of the driving gear 23 is provided with a driven gear 22, one side of the driven gear 22 is provided with a first screw 21, one end of the first screw 21 is provided with a clamping seat 26, the inner side of the clamping seat 26 is provided with a second screw 29, one end of the second screw 29 is provided with a clamping block 28, one side of the clamping block 28 is provided with a rubber pad 27, one end of the driving gear 23 is meshed with one end of the driven gear 22, one side of the driven gear 22 is rotationally connected with one side of the first screw 21, one end of the first screw 21 is fixedly connected with one side of the clamping seat 26, and the inner side of the clamping seat 26 is in threaded connection with one side of the second screw 29.
In this embodiment, when this complex steel plate needs to polish, first rotate carousel 6, carousel 6 drives the rotation of third screw rod 5, make the horizontal migration of another grip slipper of third screw rod 5 promotion, thereby can adjust fixing device 2 according to complex steel plate's size, when adjusting to suitable position, stop rotating third screw rod 5, turn around second screw rod 29, make one end of second screw rod 29 drive grip block 28 and remove relative complex steel plate under the effect of grip slipper 26, make the rubber pad 27 and the complex steel plate butt of grip block 28 one side, thereby can carry out the centre gripping fixed with the complex steel plate on grip slipper 26, and the frictional force of grip block and complex steel plate has been increased through setting up rubber pad 27, the steadiness when having increased the grip block 28 centre gripping, thereby the complex steel plate produces the circumstances emergence of skew when processing the complex steel plate and polishes, thereby the precision that has improved complex steel plate processing was polished, when needs to polish to the different faces of complex steel plate, through starting first motor 25, the output drive 24 rotation of first motor 25, drive gear 23, drive gear 23 drive gear 22, drive driven gear 22 and drive the rotation of driven gear 21, thereby drive the complex steel plate 21, the rotation of driven gear 21, thereby the efficiency is driven 21, the rotation is driven to drive the rotation of driven gear 21, thereby the complex steel plate, thereby the rotation, the efficiency is driven drive the rotation, thereby, the rotation, when the face, when the is driven, when the is rotated, when.
Example 3
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the dust collection device 3 comprises a dust collection cover 36, a dust collection pipe 35 is arranged at one end of the dust collection cover 36, a collection box 34 is arranged at one end of the dust collection pipe 35, a filter screen 31 is arranged at the inner side of the collection box 34, an exhaust fan 33 is arranged at the upper end of the collection box 34, an exhaust pipe 32 is arranged at one side of the exhaust fan 33, one end of the dust collection cover 36 is fixedly connected with one end of the dust collection pipe 35, one side of the collection box 34 at one end of the dust collection pipe 35 is fixedly connected, and the inner side of the collection box 34 is detachably connected with one end of the filter screen 31.
In this embodiment, when polishing the clad steel plate, certain piece and dust can be produced, at this moment, through starting electric telescopic handle 7, electric telescopic handle 7 drives mobile device 4 and can drive dust extraction 3 together and move down simultaneously, so suction hood 36 remains all the time in the both sides of polishing dish 47 and pumps the dust that produces when polishing, when sucking the dust, through starting air exhauster 33, air exhauster 33 will polish the dust that produces through suction hood 36 and dust absorption pipe 35 to collection box 34 inside, filter through the filter screen 31 in collection box 34 inside, the gas after filtering is discharged from blast pipe 32 later, on the one hand can avoid the dust entering air exhauster 33, guarantee the normal operating of air exhauster 33, on the other hand can reduce the pollution of dust to the environment, guarantee operating personnel's health, when need to clear up the dust in the collection box 34 inside, open the chamber door can, simply practical.
Example 4
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the moving device 4 comprises a second motor 41, one end of the second motor 41 is provided with a screw rod 42, the outer side of the screw rod 42 is provided with a thread bush 45, one side of the thread bush 45 is provided with a sliding block 44, one side of the sliding block 44 is provided with a sliding groove 43, one side of the thread bush 45 is provided with an electric push rod 46, the lower end of the electric push rod 46 is provided with a polishing motor 48, the lower end of the polishing motor 48 is provided with a polishing disc 47, the outer side of the screw rod 42 is in threaded connection with the inner side of the thread bush 45, the lower end of the thread bush 45 is fixedly connected with the top of the electric push rod 46, and one side of the sliding block 44 is in sliding connection with the inner side of the sliding groove 43.
In this embodiment, through starting the second motor 41, the output of the second motor 41 drives the lead screw 42 to rotate, because the screw thread outside the lead screw 42 passes through threaded connection with the screw thread inside the thread bush 45, drive the thread bush 45 and move on its surface when so that drive the grinding disc 47 horizontal migration, drive the grinding disc 47 through starting electric telescopic handle 7 and move to the complex steel sheet top downwards, then start electric putter 46, electric putter 46 drives grinding disc 47 and complex steel sheet interface contact, then start grinding motor 48, make grinding motor 48 drive grinding disc 47 carry out fast rotation, thereby can polish the operation to the complex steel sheet, then under the cooperation that lead screw 42 drove thread bush 45 to remove, drive grinding disc 47 round trip movement and accomplish the polishing to the different regions of complex steel sheet, thereby improve this grinding device's work efficiency and practicality, and under the cooperation of slider 44 and spout 43 that set up, limit the thread bush 45 keeps horizontal migration all the time, stability when having guaranteed the removal.
The working principle of the polishing device for manufacturing the wear-resistant composite steel plate is specifically described below.
When the polishing device for manufacturing the wear-resistant composite steel plate is used, as shown in fig. 1-4, when the composite steel plate is required to be polished, firstly, the turntable 6 rotates to drive the third screw rod 5 to rotate, so that the third screw rod 5 pushes the other clamping seat to horizontally move, the fixing device 2 can be adjusted according to the size of the composite steel plate, when the fixing device is adjusted to a proper position, the rotation of the third screw rod 5 is stopped, the rotation of the second screw rod 29 is changed to drive one end of the second screw rod 29 to drive the clamping block 28 to move relative to the composite steel plate under the action of the clamping seat 26, the rubber pad 27 on one side of the clamping block 28 is abutted against the composite steel plate, the composite steel plate on the clamping seat 26 can be clamped and fixed, the friction force between the clamping block and the composite steel plate is increased by arranging the rubber pad 27, the stability during clamping of the clamping block 28 is increased, thereby avoiding the occurrence of the deviation of the clad steel plate during the processing and polishing of the clad steel plate, improving the precision of the processing and polishing of the clad steel plate, when the different surfaces of the clad steel plate are required to be polished, by starting the first motor 25, the output end of the first motor 25 drives the rotating shaft 24 to rotate, the rotating shaft 24 drives the driving gear 23 to rotate, the driving gear 23 drives the driven gear 22 to rotate, the driven gear 22 drives the first screw 21 to rotate, the first screw 21 drives the clamping seat 26 to rotate, thereby driving the clad steel plate to rotate, polishing the different surfaces, improving the polishing efficiency, generating certain scraps and dust when the clad steel plate is polished, at the moment, driving the dust collection device 3 to move downwards together by starting the electric telescopic rod 7 to drive the moving device 4 to move downwards, therefore, the dust suction hood 36 always keeps on the two sides of the polishing disc 47 to suck the dust generated during polishing, when the dust is sucked, the dust suction hood 33 absorbs the dust generated during polishing into the collecting box 34 through the dust suction hood 36 and the dust suction pipe 35, the dust is filtered through the filter screen 31 in the collecting box 34, the filtered gas is then discharged from the exhaust pipe 32, on one hand, the dust can be prevented from entering the dust suction hood 33, the normal operation of the dust suction hood 33 is ensured, on the other hand, the pollution of the dust to the environment can be reduced, the physical health of operators is ensured, when the dust in the collecting box 34 needs to be cleaned, the box door is opened, the box door is simple and practical, the output end of the second motor 41 drives the screw 42 to rotate through the starting of the second motor 41, and the threads on the outer side of the screw 42 are connected with the threads on the inner side of the screw sleeve 45 through threads, so the screw rod 42 drives the screw sleeve 45 to move on the surface of the screw rod 42 when rotating, thereby driving the polishing disc 47 to horizontally move, driving the polishing disc 47 to downwardly move to the upper part of the composite steel plate by starting the electric telescopic rod 7, then starting the electric push rod 46, driving the polishing disc 47 to be in contact with the contact surface of the composite steel plate by the electric push rod 46, then starting the polishing motor 48, enabling the polishing motor 48 to drive the polishing disc 47 to rapidly rotate, thereby polishing the composite steel plate, driving the polishing disc 47 to reciprocally move under the coordination of the screw rod 42 driving the screw sleeve 45 to finish polishing different areas of the composite steel plate, thereby improving the working efficiency and the practicability of the polishing device, limiting the screw sleeve 45 under the coordination of the sliding block 44 and the sliding groove 43, enabling the screw sleeve 45 to always keep horizontally moving, the stability during movement is ensured.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (7)
1. Grinding device is used in manufacturing of wear-resisting clad steel plate, including main part (1), its characterized in that: the utility model discloses a dust collector, including main part (1), electric telescopic handle (7), dust collector (3), carousel (6) are provided with to the upper end of main part (1), the one end of electric telescopic handle (7) is provided with mobile device (4), the upper end of mobile device (4), one side of carousel (6) is provided with third screw rod (5), the one end of third screw rod (5) is provided with fixing device (2).
2. The polishing device for manufacturing a wear-resistant clad steel plate according to claim 1, wherein: fixing device (2) is including first motor (25), the one end of first motor (25) is provided with pivot (24), the one end of pivot (24) is provided with driving gear (23), the one end of driving gear (23) is provided with driven gear (22), one side of driven gear (22) is provided with first screw rod (21), the one end of first screw rod (21) is provided with grip slipper (26), the inboard of grip slipper (26) is provided with second screw rod (29), the one end of second screw rod (29) is provided with grip slipper (28), one side of grip slipper (28) is provided with rubber pad (27).
3. The polishing device for manufacturing a wear-resistant clad steel plate according to claim 1, wherein: the dust collection device (3) comprises a dust collection cover (36), a dust collection pipe (35) is arranged at one end of the dust collection cover (36), a collection box (34) is arranged at one end of the dust collection pipe (35), a filter screen (31) is arranged on the inner side of the collection box (34), an exhaust fan (33) is arranged at the upper end of the collection box (34), and an exhaust pipe (32) is arranged at one side of the exhaust fan (33).
4. The polishing device for manufacturing a wear-resistant clad steel plate according to claim 1, wherein: the mobile device (4) comprises a second motor (41), one end of the second motor (41) is provided with a screw rod (42), the outer side of the screw rod (42) is provided with a thread bush (45), one side of the thread bush (45) is provided with a sliding block (44), one side of the sliding block (44) is provided with a sliding groove (43), one side of the thread bush (45) is provided with an electric push rod (46), the lower end of the electric push rod (46) is provided with a polishing motor (48), and the lower end of the polishing motor (48) is provided with a polishing disc (47).
5. The polishing device for manufacturing a wear-resistant clad steel plate according to claim 2, wherein: one end of the driving gear (23) is meshed with one end of the driven gear (22), one side of the driven gear (22) is rotationally connected with one side of the first screw rod (21), one end of the first screw rod (21) is fixedly connected with one side of the clamping seat (26), and the inner side of the clamping seat (26) is in threaded connection with one side of the second screw rod (29).
6. A grinding device for manufacturing a wear-resistant clad steel plate according to claim 3, wherein: one end of the dust hood (36) is fixedly connected with one end of the dust collection pipe (35), one side of a collecting box (34) at one end of the dust collection pipe (35) is fixedly connected, and the inner side of the collecting box (34) is detachably connected with one end of the filter screen (31).
7. The polishing device for manufacturing a wear-resistant clad steel plate according to claim 4, wherein: the outside of lead screw (42) and the inboard threaded connection of thread bush (45), the top fixed connection of lower extreme and electric putter (46) of thread bush (45), one side of slider (44) and the inboard sliding connection of spout (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320600106.XU CN219504338U (en) | 2023-03-24 | 2023-03-24 | Grinding device for manufacturing wear-resistant composite steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320600106.XU CN219504338U (en) | 2023-03-24 | 2023-03-24 | Grinding device for manufacturing wear-resistant composite steel plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219504338U true CN219504338U (en) | 2023-08-11 |
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ID=87530347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320600106.XU Active CN219504338U (en) | 2023-03-24 | 2023-03-24 | Grinding device for manufacturing wear-resistant composite steel plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219504338U (en) |
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2023
- 2023-03-24 CN CN202320600106.XU patent/CN219504338U/en active Active
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