CN113275966A - Grinding disc for grinding concave-convex surface and stone grinding machine adopting grinding disc - Google Patents
Grinding disc for grinding concave-convex surface and stone grinding machine adopting grinding disc Download PDFInfo
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- CN113275966A CN113275966A CN202110564304.0A CN202110564304A CN113275966A CN 113275966 A CN113275966 A CN 113275966A CN 202110564304 A CN202110564304 A CN 202110564304A CN 113275966 A CN113275966 A CN 113275966A
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- grinding
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- water
- grinding disc
- convex surface
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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
- B24B7/10—Single-purpose machines or devices
- B24B7/18—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like
- B24B7/186—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like with disc-type tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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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 discloses a grinding disc for grinding concave-convex surfaces and a stone grinder adopting the grinding disc, belonging to the field of machinery. The invention has the beneficial effects that: through set up the water jet at mill body lower surface, utilize the striking of aquatic diamond granule to polish to the concave-convex face, broken away from the restriction to the concave-convex face area, be applicable to very much just little polishing of concave-convex face.
Description
The invention relates to a grinding disc for grinding concave-convex surfaces and a stone grinder using the grinding disc, which are filed by Chinese patent application No. 202010353402.5 in a divisional way, wherein the application No. of the original application is 202010353402.5, and the application date is 04-29.2020.
Technical Field
The invention relates to the field of machinery, in particular to a grinding disc for grinding concave and convex surfaces and a stone grinder adopting the grinding disc.
Background
The stone grinding machine is widely applied to urban and rural ground facilities and becomes a new favorite for ground decoration. However, the grinding disc of the prior art terrazzo machine is usually only suitable for a single working ground, and some terrazzo machines can only grind flat ground, but are not suitable for grinding inclined planes and concave-convex planes; some are suitable for grinding the ground of an inclined plane, but not suitable for grinding a straight plane and a concave-convex plane; some are suitable for grinding concave-convex planes, but not for grinding inclined planes and straight planes. When different working floors are met, the grindstone machines of different models or the millstones and the grinding knives of different types are required to be selected to adapt to the different floors, so that the work is inconvenient, time and labor are wasted, and the work efficiency is low.
In the prior art, the polishing of the concave-convex plane is generally performed by adjusting the inclination angle of the grinding disc, for example, the invention patent with the publication number of CN104325372A discloses a terrazzo machine with the position of the grinding disc adjustable, which comprises a shell, a bearing device and a control box arranged in the shell, a handrail arranged at the top of the shell, a traveling wheel arranged at the bottom of the shell, a motor fixedly arranged on the bearing device, a rotating shaft connected with an output shaft of the motor, a bearing seat sleeved on the rotating shaft, a grinding disc arranged at one end of the rotating shaft, and a grinding block fixedly arranged on the grinding disc. The stone grinder is only suitable for the condition that a concave-convex plane is inclined or has a large concave-convex surface and a small number of concave-convex surfaces, if the concave-convex surfaces are more and small, no matter how the grinding disc is inclined, the grinding block can not be contacted with the bottom of the concave surface at all, and the purpose of grinding the bottom of the concave surface and the top of the convex surface can not be achieved.
Disclosure of Invention
Aiming at the problems of poor adaptability and poor polishing effect of polishing the concave and convex surfaces of a stone grinder in the prior art, the invention provides a grinding disc for polishing the concave and convex surfaces and the stone grinder adopting the grinding disc, wherein the lower surface of a grinding disc body is provided with a water spray nozzle, the concave and convex surfaces are polished by using the striking of diamond particles in water, the limitation on the area of the concave and convex surfaces is avoided, and the stone grinder is very suitable for polishing the concave and convex surfaces with more and small polishing surfaces, and is particularly as follows:
the utility model provides a mill for concave convex surface is polished, is in including the mill body and the evenly distributed that are the back taper the abrasive brick of mill body lower surface, mill body lower surface still is formed with at least one water sucking mouth and at least one water jet, this internal being formed with of mill is used for with the suction inlet links to each other with the suction fan suction pipe and is used for with the spray pipe that water jet and water pump link to each other.
Furthermore, the grinding blocks are arranged into a first grinding ring, a second grinding ring and a third grinding ring from inside to outside on the lower surface of the grinding disc body, and the distance between every two adjacent rings is equal; the distances between two adjacent grinding blocks in the same ring are equal.
Furthermore, the water suction opening is evenly distributed on the outer side of the third grinding ring on the lower surface of the grinding disc body in the circumferential direction, and the water suction opening is evenly distributed between the first grinding ring and the second grinding ring in the circumferential direction.
Furthermore, the water spray ports are formed in the center of the first grinding ring, and are uniformly distributed among the water spray ports, the second grinding ring and the third grinding ring along the circumferential direction.
The water spraying port and the water sucking port are arranged among the first grinding ring, the second grinding ring and the third grinding ring, so that three main water flow directions are formed, the grinding surface between the grinding block and the stone is wetted, the water circulation is convenient, and the water is circulated in the third grinding ring
Furthermore, a section of second thread-shaped protrusion is formed on the inner wall of the water pipe between the water spray opening and the water pump, and the section of the second thread-shaped protrusion is rectangular.
Furthermore, a cylindrical section with one end communicated up and down is arranged downwards on the water suction port, and the bottom surface of the cylindrical section is 0.3-0.8 cm higher than that of the grinding block.
The invention also provides a stone grinder for grinding the concave-convex surface, which adopts the grinding disc.
Further, the stone grinding machine further comprises a machine shell, a first water storage tank and a second water storage tank which are arranged on the machine shell, a suction fan connected with the water suction port, and a water pump connected with the water spray port, wherein the suction fan is connected with an inlet of the first water storage tank, an outlet of the first water storage tank is connected with an inlet of the water pump, the second water storage tank is connected with an inlet of the water pump, and diamond particles are uniformly distributed in the second water storage tank.
Furthermore, an adsorption device for adsorbing stone powder particles in water is formed between the first water storage tank and the suction fan. Through the design of first aqua storage tank, realize absorbing water and diamond particle's cyclic utilization from the mouth that absorbs water, greatly reduced the consumption to water and diamond particle.
Furthermore, the absorption device is of a tubular structure, a three-dimensional tubular absorption layer for absorbing stone powder particles in water is axially formed in the tube, and pores for the stone powder particles to pass through are formed in the three-dimensional tubular absorption layer. The three-dimensional tubular adsorption layer is designed into a tubular shape, and is filtered by adopting a plurality of layers of composite filter cloth, so that the three-dimensional tubular adsorption layer is specially used for adsorbing fine particles polished from the stone, and the diamond particles with larger particle size and water are retained, thereby achieving the purpose of filtering.
Has the advantages that:
the technical scheme of the invention has the following beneficial effects:
(1) the lower surface of the grinding disc body is provided with the water spray nozzle, so that the concave-convex surface is ground by using the striking of diamond particles in water, the limitation on the area of the concave-convex surface is eliminated, and the grinding disc is very suitable for grinding more and small concave-convex surfaces;
(2) through the design of the first water storage tank, water is sucked from the water suction port and the diamond particles are recycled, so that the consumption of the water and the diamond particles is greatly reduced;
(3) the three-dimensional tubular adsorption layer is designed into a tubular shape, and is filtered by adopting a plurality of layers of composite filter cloth, so that the three-dimensional tubular adsorption layer is specially used for adsorbing fine particles polished from the stone, and the diamond particles with larger particle size and water are retained to achieve the purpose of filtering;
(4) evenly distributed has first screw thread form arch on with adsorption equipment inner wall length direction, establishes the heliciform stock on its center pin for rivers are because the change of pipe diameter and the inside pipe wall guide effect when adsorption equipment for rivers flow between the inside and outside of three-dimensional tubulose adsorbed layer, thereby improved the probability of contact between fine particle and the three-dimensional tubulose adsorbed layer, improved adsorption effect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a block diagram of a preferred stone grinding machine of the present invention;
FIG. 2 is a side cross-sectional view of a preferred abrasive disk of the present invention;
FIG. 3 is a bottom structure of the grinding disc of the present invention;
FIG. 4 is a preferred water flow diagram of the present invention;
FIG. 5 is a schematic cross-sectional view of a preferred adsorption apparatus of the present invention;
FIG. 6 is a schematic front view of a preferred adsorption apparatus of the present invention;
FIG. 7 is a schematic top view of a preferred adsorption apparatus of the present invention;
FIG. 8 is a block diagram of a preferred stone grinder of the present invention for corner sanding;
fig. 9 is a side cross-sectional view of the abrasive disc of fig. 8.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, 2 and 4, the stone grinding machine for concave-convex surface grinding comprises a machine shell 1, a grinding disc 2 and a driving mechanism 3 for controlling the rotation of the grinding disc, wherein the grinding disc 2 comprises a grinding disc body in an inverted cone shape, grinding blocks 21 are uniformly distributed on the lower surface of the grinding disc body, at least one water suction opening 22 and at least one water spray opening 23 are formed on the lower surface of the grinding disc body, the water suction opening 22 is connected with a suction fan 24 through a pipeline, and the water spray opening 23 is connected with a water pump 25 through a pipeline.
Referring to fig. 3 and 4, a first water storage tank 11 and a second water storage tank 12 are further arranged on the machine shell 1, the suction fan 24 is connected with an inlet of the first water storage tank 11, an outlet of the first water storage tank 11 is connected with an inlet of the water pump 25, the second water storage tank 12 is connected with an inlet of the water pump 25, and diamond particles are uniformly distributed in the second water storage tank 12. Through the design of first aqua storage tank, realize absorbing water and diamond particle's cyclic utilization from the mouth that absorbs water, greatly reduced the consumption to water and diamond particle.
The grinding blocks 21 are arranged into a first grinding ring 26, a second grinding ring 27 and a third grinding ring 28 from inside to outside on the lower surface of the grinding disc body, and the distance between every two adjacent grinding rings is equal; the distances between two adjacent grinding blocks in the same ring are equal.
The water suction openings 22 are uniformly distributed on the outer side of the third grinding ring 28 on the lower surface of the grinding disc body along the circumferential direction, and the water suction openings 22 are uniformly distributed between the first grinding ring 26 and the second grinding ring 27 along the circumferential direction.
The water spray nozzles 23 are uniformly arranged among the water spray nozzles 23, the second grinding ring 27 and the third grinding ring 28 along the circumferential direction at the central position in the first grinding ring 26. Arrange into three mill ring with the abrasive brick to with water jet and water sucking mouth setting between the mill ring, but like this make full use of mill space between the ring, also stagger between water jet and the water sucking mouth in addition, form 3 main rivers flow directions in the mill, through the diamond granule in the rivers to the collision of concave and convex face, reach the purpose of polishing to the concave and convex face.
An adsorption device 13 for adsorbing stone powder particles in water is formed between the first water storage tank 11 and the suction fan 24.
Referring to fig. 5, the adsorption device 13 is a tubular structure, a three-dimensional tubular adsorption layer 131 for adsorbing stone powder particles in water is axially formed in a tube of the adsorption device, and pores for the stone powder particles to pass through are formed in the three-dimensional tubular adsorption layer 131.
The ratio of the pores with the diameter less than 20 microns of the three-dimensional tubular adsorption layer 131 is more than 95%.
The three-dimensional tubular adsorption layer 131 is a multilayer composite filter cloth formed by mixing PPS fibers, PTFE fibers and glass fibers.
The three-dimensional tubular adsorption layer 131 is of a three-layer structure, the thickness of the three-dimensional tubular adsorption layer is 0.8-1.5cm, the middle layer of the three-dimensional tubular adsorption layer is woven base cloth woven by glass fibers, the fineness of the glass fibers is 2.5-5.5D, and the length of the glass fibers is 48-51 mm.
PPS fiber and PTFE fiber mixed needle-punched cloth is adopted on two sides of the middle layer of the three-dimensional tubular adsorption layer 131, wherein the mixed weight ratio of the PPS fiber to the PTFE fiber is 68.4 wt%: 31.6 wt%.
The fineness of the PTFE fiber is 1.5D, and the length is 57 mm; the PPS fiber adopts PPS fiber with fineness of 1.3D and length of 48mm and two specifications of fineness of 2.5D and length of 65mm, and the mixing weight ratio is 2: 1. tests show that the particle size of the fine particles polished from the stone is mainly divided into a range of 10-20 micrometers, the proportion of the particles below 20 micrometers is up to more than 80%, and the fine particles below 20 micrometers are just removed by the three-dimensional tubular adsorption layer. The three-dimensional tubular adsorption layer is designed into a tubular shape, and is filtered by adopting a plurality of layers of composite filter cloth, so that the three-dimensional tubular adsorption layer is specially used for adsorbing fine particles polished from the stone, and the diamond particles with larger particle size and water are retained, thereby achieving the purpose of filtering.
First thread-shaped protrusions 132 are uniformly distributed on the length direction of the inner wall of the adsorption device 13, and the cross section of each first thread-shaped protrusion is triangular.
A spiral long rod 133 is arranged on the central shaft of the adsorption device 13, and spiral protrusions 134 are uniformly distributed on the outer circumference of the spiral long rod. Evenly distributed has first screw thread form arch on with adsorption equipment inner wall length direction, establishes the heliciform stock on its center pin for rivers are because the change of pipe diameter and the inside pipe wall guide effect when adsorption equipment for rivers flow between the inside and outside of three-dimensional tubulose adsorbed layer, thereby improved the probability of contact between fine particle and the three-dimensional tubulose adsorbed layer, improved adsorption effect.
Since the adsorption capacity of the three-dimensional tubular adsorption layer 131 to the fine particles is affected by time, it is also possible to make it a one-way filter layer here, i.e. to make the fine particles directly pass through the three-dimensional tubular adsorption layer into the tube, in which the device for collecting the fine particles is arranged.
Referring to fig. 6 and 7, the adsorption device 13 is a tubular structure, a three-dimensional tubular adsorption layer 131 for adsorbing stone powder particles in water is axially formed in a tube of the adsorption device, and pores for allowing the stone powder particles to pass through are formed in the three-dimensional tubular adsorption layer 131.
The ratio of the pores with the diameter less than 30 microns of the three-dimensional tubular adsorption layer 131 is more than 95%.
The inside of the three-dimensional tubular adsorption layer 131 is provided with a cylindrical active carbon adsorption block 135, the two ends of the adsorption device 13 are provided with particle removal cavities 136, the particle removal cavities 136 are provided with openings in the vertical direction, the upper and lower openings are connected with a dedusting water pump (not shown in the figure), and the three-dimensional tubular adsorption layer has the main function of enabling water flow with a certain flow speed to be formed between the upper and lower openings and taking away particles from the cylindrical active carbon adsorption block 135 in the particle removal cavities 136. The center of one end of the cylindrical active carbon adsorption block 135 is fixedly arranged on the movable end of the telescopic cylinder 137, and the left end and the right end of the cylindrical active carbon adsorption block 135 are alternatively positioned in the particle removing cavities 136 at the two ends of the cylindrical active carbon adsorption block through the telescopic cylinder 137, so that the purpose of removing particles is achieved.
A water inlet channel 138 and a water outlet channel 139 which are respectively connected with the first water storage tank 11 and the suction fan 24 are arranged below two ends of the adsorption device 13.
The main reason why the fine particles are not directly deposited in the first water storage tank 11 is that the first water storage tank 11 does not contain fine particles, but also contains diamond particles, and if the diamond particles are deposited, the diamond particles cannot be recycled, and the deposition in the first water storage tank 11 takes a long time, which affects the efficiency of water use, but the design of the adsorption device 13 in the present embodiment can better compensate for the defect.
A section of second thread-shaped bulge 26 is formed on the inner wall of the water pipe between the water spraying opening 23 and the water pump 25, and the section of the second thread-shaped bulge 26 is rectangular.
Actuating mechanism 3 includes driving motor 31, first drive wheel 32, second drive wheel 33 and driving belt 34, driving motor 31 fixed mounting be in casing 1 upper surface, first drive wheel 32 center is installed on the driving motor 31 rotation axis, driving belt 34 cover is in on first drive wheel and the outer circumference of second drive wheel 33, 2 center pin fixed mounting of mill are in on the second drive wheel 33 center pin.
The bottom of the machine shell 1 is also provided with a movable wheel 14, one side of the machine shell 1, which is far away from the grinding disc 2, is provided with an armrest 15, and the armrest 15 is provided with a controller 16 for controlling the grinding disc 2 to work.
In the daily ground polishing process, the stone grinder can not polish the ground with a certain width below the corner, and based on the problems, the embodiment is further improved. The reinforced grinding block assembly is arranged outside the grinding disc body and is specially used for grinding the ground below the corner, so that the application range of the grinding disc for grinding the ground is effectively widened.
Referring to fig. 8 and 9, the grinding disc body is uniformly provided with more than three reinforced grinding block assemblies 20 along the outer circumference direction for grinding the ground within the outer circumference of the grinding disc body.
The reinforced grinding block assembly 20 comprises a reinforced grinding block 201, a grinding block control cylinder 202 and a cylinder mounting seat 203, wherein the reinforced grinding block 201 is mounted on the movable end of the grinding block control cylinder 202, and the grinding block control cylinder 202 is mounted on the outer circumference of the grinding disc body through the cylinder mounting seat 203.
The movable end of the grinding block control cylinder 202 is fixedly provided with a fixed sliding block 204, the outer circumference of the grinding disc body is provided with a grinding block sliding rail 205 which is vertically arranged, and the fixed sliding block 204 is arranged on the grinding block sliding rail 205 and can slide along the length direction of the grinding block sliding rail 205.
A wall baffle 30 is arranged outside the machine shell 1 and above the reinforced grinding block 201. The wall body baffle plate can not only protect the grinding disc from being impacted by the outside of a wall body and the like, but also play a role in positioning the grinding of the reinforced grinding block.
The armrest 15 is also provided with an air cylinder control switch 17 for controlling the grinding block control air cylinder 202 to lift.
The invention also provides a method for polishing the concave-convex surface, which adopts the stone grinder and comprises the following concrete steps:
placing a grinding disc of a stone grinding machine on a concave-convex surface, opening a controller to control the grinding disc to rotate, and simultaneously controlling a suction fan and a water pump to operate;
wherein the rotation speed of the grinding disc is controlled to be 60-100 revolutions per minute; the wind pressure of the suction fan is controlled at 6000Pa, and the water pressure of the water pump is 13.4 MPa;
the particle size of the diamond particles is 1.5-3.0 mm, and the content of the diamond particles in the liquid sprayed out of the water spray opening is 0.24 g/mL.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The grinding disc for grinding the concave-convex surface is characterized by comprising a grinding disc body, wherein at least one water suction opening and at least one water spraying opening are further formed in the lower surface of the grinding disc body, diamond particles are contained in water sprayed out of the water spraying openings, and the concave-convex surface is ground by utilizing the striking of the diamond particles in the water.
2. The grinding disc for grinding concave-convex surfaces according to claim 1, wherein grinding blocks are uniformly distributed on the lower surface of the grinding disc body.
3. The grinding disc for polishing the concave-convex surface according to claim 2, wherein the water suction port is provided with a cylindrical section with one end communicated up and down, and the bottom surface of the cylindrical section is 0.3-0.8 cm higher than that of the grinding block.
4. The grinding disc for polishing the concave-convex surface according to claim 1, wherein an air suction pipeline for connecting the water suction port with an air suction fan is formed in the grinding disc body.
5. The grinding disc for polishing the concave-convex surface according to claim 1, wherein a water spraying pipeline for connecting the water spraying opening with a water pump is formed in the grinding disc body.
6. The grinding disc for polishing the concave-convex surface according to claim 5, wherein a section of second thread-shaped protrusion is formed on the inner wall of the water pipe between the water spraying opening and the water pump, and the section of the second thread-shaped protrusion is rectangular.
7. The grinding disc for polishing the concave-convex surface according to claim 2, wherein the grinding blocks are arranged into a first grinding ring, a second grinding ring and a third grinding ring from inside to outside on the lower surface of the grinding disc body, and the distance between the two adjacent rings is equal; the distances between two adjacent grinding blocks in the same ring are equal.
8. The grinding disc for grinding of concave-convex surfaces according to claim 2, wherein the water suction ports are uniformly arranged on the lower surface of the grinding disc body outside the third grinding ring along the circumferential direction, and the water suction ports are uniformly arranged between the first grinding ring and the second grinding ring along the circumferential direction.
9. The grinding disc for polishing the concave-convex surface according to claim 2, wherein the water spraying ports are formed in the center of the first grinding ring, and are uniformly distributed among the water spraying ports, the second grinding ring and the third grinding ring along the circumferential direction.
10. A stone grinding machine for concave-convex surface grinding, characterized in that a grinding disc according to any of claims 1-9 is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110564304.0A CN113275966B (en) | 2020-04-29 | 2020-04-29 | Grinding disc for grinding concave-convex surface and stone grinding machine adopting grinding disc |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010353402.5A CN111702584B (en) | 2020-04-29 | 2020-04-29 | Grinding disc for grinding concave-convex surface and stone grinding machine adopting grinding disc |
| CN202110564304.0A CN113275966B (en) | 2020-04-29 | 2020-04-29 | Grinding disc for grinding concave-convex surface and stone grinding machine adopting grinding disc |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010353402.5A Division CN111702584B (en) | 2020-04-29 | 2020-04-29 | Grinding disc for grinding concave-convex surface and stone grinding machine adopting grinding disc |
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| Publication Number | Publication Date |
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| CN113275966A true CN113275966A (en) | 2021-08-20 |
| CN113275966B CN113275966B (en) | 2023-02-10 |
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| CN202110565507.1A Pending CN113263379A (en) | 2020-04-29 | 2020-04-29 | Grindstone machine for grinding concave-convex surface and grindstone method thereof |
| CN202010353402.5A Active CN111702584B (en) | 2020-04-29 | 2020-04-29 | Grinding disc for grinding concave-convex surface and stone grinding machine adopting grinding disc |
| CN202110564304.0A Active CN113275966B (en) | 2020-04-29 | 2020-04-29 | Grinding disc for grinding concave-convex surface and stone grinding machine adopting grinding disc |
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| CN202110565507.1A Pending CN113263379A (en) | 2020-04-29 | 2020-04-29 | Grindstone machine for grinding concave-convex surface and grindstone method thereof |
| CN202010353402.5A Active CN111702584B (en) | 2020-04-29 | 2020-04-29 | Grinding disc for grinding concave-convex surface and stone grinding machine adopting grinding disc |
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| CN114939806B (en) * | 2022-07-21 | 2022-10-04 | 徐州博诺威机械设备有限公司 | Building ground burnishing device |
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- 2020-04-29 CN CN202110565507.1A patent/CN113263379A/en active Pending
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111702584B (en) | 2021-07-06 |
| CN113263379A (en) | 2021-08-17 |
| CN111702584A (en) | 2020-09-25 |
| CN113275966B (en) | 2023-02-10 |
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