CN111618712B - Grinding wheel matrix with communication structure - Google Patents
Grinding wheel matrix with communication structure Download PDFInfo
- Publication number
- CN111618712B CN111618712B CN202010415366.0A CN202010415366A CN111618712B CN 111618712 B CN111618712 B CN 111618712B CN 202010415366 A CN202010415366 A CN 202010415366A CN 111618712 B CN111618712 B CN 111618712B
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- China
- Prior art keywords
- water
- grinding wheel
- storage cavity
- water storage
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000011159 matrix material Substances 0.000 title claims abstract description 7
- 238000004891 communication Methods 0.000 title claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 149
- 239000000498 cooling water Substances 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000009286 beneficial effect Effects 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 229910001651 emery Inorganic materials 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 235000019580 granularity Nutrition 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 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
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
- B24D5/06—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor with inserted abrasive blocks, e.g. segmental
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
- B24D5/10—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor with cooling provisions, e.g. with radial slots
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention relates to a grinding wheel matrix with a communicating structure, which comprises a plurality of cover plates and a plurality of bases; the bases are respectively and sequentially fixedly sleeved on the cutter bar from top to bottom, the cover plates are arranged in one-to-one correspondence with the bases, and the cover plates are fixed above the corresponding bases; a plurality of tooth sheets are spliced in an annular mode at positions, close to the periphery, between the corresponding cover plate and the corresponding base, so that the cover plate, the base and the tooth sheets form a grinding wheel with a water storage cavity inside, and an annular water inlet communicated with the corresponding water storage cavity is formed in the cover plate; a water through groove communicated with the corresponding water storage cavity is arranged between two adjacent tooth plates; and the bases of all the rest grinding wheels except the lowest part are provided with water delivery mechanisms. The beneficial effects of the invention are as follows: the water storage cavity of each grinding wheel can be guaranteed to be capable of inputting enough cooling water and throwing the cooling water out of the corresponding water through groove to the working face, so that the cooling effect is guaranteed, and the processing quality is improved.
Description
Technical Field
The invention relates to the field of grinding tools, in particular to a grinding wheel matrix with a communicating structure.
Background
In order to facilitate processing, grinding wheels with different granularities are fixedly sleeved on the cutter bar up and down and sequentially grind workpieces. As shown in fig. 1, since the water inlet of each grinding wheel is positioned at the top of each grinding wheel, after a plurality of grinding wheels are vertically overlapped on the cutter bar, the water inlet of the next grinding wheel can be blocked by the last grinding wheel, so that water cannot be normally supplied to the next grinding wheel.
As shown in fig. 2, in order to overcome the above technical problem that water cannot be normally supplied to the next grinding wheel, a gasket is additionally arranged between the upper and lower adjacent grinding wheels in the prior art, so that a space for communicating the water inlet of the next grinding wheel is formed between the upper and lower adjacent grinding wheels, and cooling water is further input to the water inlet of the next grinding wheel through the space. The mode of adding the gasket has the following defects:
1. the gasket is additionally arranged to influence the assembly precision of the grinding wheel, so that the processing quality is reduced;
2. The water pipe for providing cooling water is positioned above the workpiece, and when the machined grinding wheel is replaced, the water pipe and the grinding wheel synchronously move up and down until the corresponding grinding wheel corresponds to the position of the workpiece. Therefore, the water pipe is far away from the water inlet of the grinding wheel below, and cooling water is not easy to enter the water storage cavity of the grinding wheel below.
Disclosure of Invention
In summary, in order to overcome the defects in the prior art, the technical problem to be solved by the invention is to provide the grinding wheel matrix with the communicating structure.
The technical scheme for solving the technical problems is as follows: a grinding wheel matrix with a communicating structure comprises a plurality of cover plates and a plurality of bases; the bases are respectively and sequentially fixedly sleeved on the cutter bar from top to bottom, the cover plates are arranged in one-to-one correspondence with the bases, and the cover plates are fixed above the corresponding bases; a plurality of tooth sheets are spliced in an annular mode at positions, close to the periphery, between the corresponding cover plate and the corresponding base, so that the cover plate, the base and the tooth sheets form a grinding wheel with a water storage cavity inside, and an annular water inlet communicated with the corresponding water storage cavity is formed in the cover plate; a water through groove communicated with the corresponding water storage cavity is arranged between two adjacent tooth plates; the base of all the rest grinding wheels except the lowest part is provided with a water delivery mechanism, cooling water is sucked into the corresponding water storage cavity downwards through the water inlet by the water delivery mechanism, and the water delivery mechanism also blocks the cooling water flowing downwards in the corresponding water storage cavity, so that the cooling water flows radially and is thrown out through the water through grooves.
The beneficial effects of the invention are as follows: the water storage cavity of each grinding wheel can be guaranteed to be capable of inputting enough cooling water and throwing the cooling water out of the corresponding water through groove to the working face, so that the cooling effect is guaranteed, and the processing quality is improved.
Based on the technical scheme, the invention can be further improved as follows:
further, the water delivery mechanism comprises a water outlet and a plurality of blades; the water outlet is annular, is positioned on the corresponding base and corresponds to the bottom of the water storage cavity, the water inlet and the water outlet of the same grinding wheel are arranged vertically opposite, the water outlet of the last grinding wheel is vertically opposite to and communicated with the water inlet of the next grinding wheel, and the water storage cavity of the last grinding wheel is communicated with the water storage cavity of the next grinding wheel; the blades are uniformly arranged in the corresponding water outlet;
The lower water gap of the next grinding wheel is smaller than the width of the lower water gap of the last grinding wheel, and the lower water gap of the uppermost grinding wheel is smaller than the width of the water inlet of the grinding wheel.
The beneficial effects of adopting the further technical scheme are as follows: so that the cooling water entering each grinding wheel water storage cavity is divided into two branches: the first branch flows radially and is thrown out of the water through groove of the grinding wheel to cool the working surface, the second branch flows axially downwards into the water storage cavity of the next grinding wheel, and finally, sufficient cooling water can be input into the water storage cavity of each grinding wheel and is thrown out of the corresponding water through groove to the working surface.
Further, the upper end of the cutter bar is fixedly connected with the lower end of the taper shank through a flange; and a sleeve part is fixed on the cutter bar at a position corresponding to the position between the flange and the uppermost grinding wheel, and is used for increasing the distance between the flange and the water inlet of the uppermost grinding wheel, so that cooling water sprayed from outside is not blocked by the flange and enters the corresponding water storage cavity through the water inlet of the uppermost grinding wheel.
The beneficial effects of adopting the further technical scheme are as follows: through increasing the distance between flange and the top emery wheel water inlet, solve the flange and block the technical problem that top emery wheel water inlet got into the cooling water, guarantee to have sufficient cooling water to enter into the water storage chamber of each emery wheel through the top emery wheel water inlet, and then guarantee the cooling effect of each emery wheel.
Further, the sleeve member is a washer fixedly sleeved on the cutter bar at a position corresponding to the position between the flange and the uppermost grinding wheel.
The beneficial effects of adopting the further technical scheme are as follows: the distance between the flange and the water inlet is increased.
Further, a plurality of screws are included; the screws penetrate through the cover plate and then are downwards fixedly connected to the corresponding bases on the inner sides of the tooth sheets, so that the cover plate compresses the tooth sheets on the corresponding bases.
The beneficial effects of adopting the further technical scheme are as follows: the assembly of the cover plate, the base and the tooth plates is realized.
Drawings
FIG. 1 is a schematic view of a prior art grinding wheel with different granularity being fixedly sleeved on a cutter bar from top to bottom;
FIG. 2 is a schematic diagram of a prior art gasket added between two adjacent grinding wheels;
FIG. 3 is a schematic diagram of the present invention;
FIG. 4 is a schematic representation of a three-dimensional cross-section of the present invention;
FIG. 5 is a three-dimensional schematic view of the base of the remaining grinding wheel except the lowermost one;
wherein the arrows indicate the flow direction of the cooling water.
In the drawings, the list of components represented by the various numbers is as follows:
1. the water-saving device comprises a cover plate, 2, a base, 3, a cutter bar, 4, a tooth piece, 5, a water storage cavity, 6, a water inlet, 7, a water channel, 8, a water outlet, 9, blades, 10, a flange, 11, a taper shank, 12, a gasket, 13, a screw, 14, a water pipe, 15 and a workpiece.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
As shown in fig. 3 to 5, a grinding wheel base having a communication structure includes a plurality of cover plates 1, a plurality of bases 2, and a plurality of screws 13. The base 2 is fixedly sleeved on the cutter bar 3 in sequence from top to bottom respectively, the cover plate 1 and the base 2 are arranged in one-to-one correspondence, and the cover plate 1 is fixed above the corresponding base 2. A plurality of tooth plates 4 are spliced in an annular mode at positions between the corresponding cover plate 1 and the corresponding base 2 and close to the periphery, and then the cover plate 1, the base 2 and the tooth plates 4 form a grinding wheel with a water storage cavity 5 inside, and a water inlet 6 which is annular and communicated with the corresponding water storage cavity 5 is arranged on the cover plate 1. A water channel 7 communicated with the corresponding water storage cavity 5 is arranged between two adjacent tooth plates 4. The base 2 of all the grinding wheels except the lowest part is provided with a water delivery mechanism, the water delivery mechanism sucks cooling water downwards into the corresponding water storage cavity 5 through the water inlet 6, and the water delivery mechanism also blocks the cooling water downwards flowing in the corresponding water storage cavity 5, so that the cooling water radially flows and is thrown out through the water through groove 7. The screws 13 are fixedly connected to the corresponding base 2 downwards at the inner side of the tooth plate 4 after penetrating through the cover plate 1, so that the cover plate 1 presses the tooth plate 4 on the corresponding base 2.
The water delivery mechanism comprises a water outlet 8 and a plurality of blades 9. The water outlet 8 is annular, is positioned on the corresponding base 2 and corresponds to the position of the bottom of the water storage cavity 5, the water inlet 6 of the same grinding wheel is vertically opposite to and communicated with the water outlet 8, the water outlet 8 of the last grinding wheel is vertically opposite to the water inlet 6 of the next grinding wheel, and the water storage cavity 5 of the last grinding wheel is further communicated with the water storage cavity 5 of the next grinding wheel. The vanes 9 are uniformly arranged in the corresponding water discharge ports 8. The lower water gap 8 of the next grinding wheel is smaller than the width of the lower water gap 8 of the last grinding wheel, and the lower water gap 8 of the uppermost grinding wheel is smaller than the width of the water inlet 6 of the grinding wheel, namely L 1＞L2＞L3 … ….
The upper end of the cutter bar 3 is fixedly connected with the lower end of the taper shank 11 through a flange 10. A sleeve piece is fixed on the cutter bar 3 at a position corresponding to the position between the flange 10 and the uppermost grinding wheel, and the sleeve piece is used for increasing the distance between the flange 10 and the water inlet 6 of the uppermost grinding wheel, so that cooling water sprayed from outside is not blocked by the flange 10 and enters the corresponding water storage cavity 5 through the water inlet 6 of the uppermost grinding wheel. The sleeve member is a gasket 12, and the gasket 12 is fixedly sleeved on the cutter bar 3 at a position corresponding to the position between the flange 10 and the uppermost grinding wheel.
The external water pipe sprays cooling water to the water inlet 6 of the uppermost grinding wheel, and a certain space is formed between the flange 6 and the water inlet 6 of the uppermost grinding wheel due to the fact that the distance between the flange 10 and the water inlet 6 of the uppermost grinding wheel is increased due to the arrangement of the gasket 12, and the external water pipe can spray cooling water to the water inlet 6 of the uppermost grinding wheel through the formed space. In addition, a vane 9 is arranged in a water outlet 8 on the uppermost grinding wheel base 2, the vane 9 synchronously rotates to form downward suction force in the processing rotation process, and under the action of the suction force, cooling water sprayed by an external water pipe is sucked into the water storage cavity 5 through the water inlet 6 of the uppermost grinding wheel, so that sufficient cooling water is ensured to enter the water storage cavity 9 of the uppermost grinding wheel through the water inlet 6 of the uppermost grinding wheel.
The cooling water entering the water storage cavity 9 of the uppermost grinding wheel is divided into two branches (shown by arrows in fig. 3) because the water outlet 8 of the uppermost grinding wheel is arranged vertically opposite to the water inlet 6 and the water outlet 8 of the uppermost grinding wheel is smaller than the width of the water inlet 6 of the grinding wheel:
The position of the base 2 of the uppermost grinding wheel, which is close to the water inlet 6, blocks the cooling water flowing downwards, the blocked cooling water flows radially instead to form first branch cooling water, and the first branch cooling water is finally thrown out from the water channel 7 of the uppermost grinding wheel to the working surface under the action of centrifugal force;
The cooling water which is not blocked by the base 2 of the uppermost grinding wheel passes through the water outlet 8 under the suction of the blade 9 to form second branch cooling water, and the second branch cooling water finally enters the water storage cavity 5 of the next grinding wheel from the water inlet 6 of the next grinding wheel.
In the water storage chamber 5 of each grinding wheel, two branches of cooling water are formed according to the principle, if the base 2 of the grinding wheel cannot block part of the cooling water flowing downwards to form the first branch of cooling water, most of the cooling water can flow downwards, and finally the grinding wheel positioned above has the defect of insufficient cooling water. When the grinding wheel is at the lowest position, as the water delivery mechanism (the water outlet 8 and the blades 9) is not arranged on the base 2 of the grinding wheel at the lowest position, the cooling water entering the water storage cavity 5 of the grinding wheel at the lowest position can be thrown out of the working surface through the corresponding water through grooves 7 under the action of centrifugal force.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (3)
1. A grinding wheel matrix with a communicating structure comprises a plurality of cover plates (1) and a plurality of bases (2); the bases (2) are respectively and sequentially fixedly sleeved on the cutter bar (3), the cover plates (1) are arranged in one-to-one correspondence with the bases (2), and the cover plates (1) are fixed above the corresponding bases (2); a plurality of tooth plates (4) are annularly spliced between the corresponding cover plate (1) and the corresponding base (2) and close to the periphery, so that the cover plate (1), the base (2) and the tooth plates (4) form a grinding wheel with a water storage cavity (5) inside, and an annular water inlet (6) communicated with the corresponding water storage cavity (5) is arranged on the cover plate (1); a water channel (7) communicated with the corresponding water storage cavity (5) is arranged between two adjacent tooth plates (4); the water delivery mechanism is characterized in that the base (2) of all the grinding wheels except the lowest part is provided with a water delivery mechanism, cooling water is sucked into the corresponding water storage cavity (5) downwards through the water inlet (6), and the water delivery mechanism also blocks the cooling water flowing downwards in the corresponding water storage cavity (5), so that the cooling water flows radially and is thrown out through the water through groove (7); 2. the water delivery mechanism comprises a water outlet (8) and a plurality of blades (9); the water outlet (8) is annular, is positioned on the corresponding base (2) and corresponds to the bottom of the water storage cavity (5), the water inlet (6) and the water outlet (8) of the same grinding wheel are arranged up and down oppositely, the water outlet (8) of the last grinding wheel and the water inlet (6) of the next grinding wheel are arranged up and down oppositely and are communicated, and the water storage cavity (5) of the last grinding wheel is further communicated with the water storage cavity (5) of the next grinding wheel; the blades (9) are uniformly arranged in the corresponding water outlet (8); the lower water gap (8) of the next grinding wheel is smaller than the width of the lower water gap (8) of the last grinding wheel, and the lower water gap (8) of the uppermost grinding wheel is smaller than the width of the water inlet (6) of the grinding wheel; the upper end of the cutter bar (3) is fixedly connected with the lower end of the taper shank (11) through a flange (10); and a sleeve part is fixed on the cutter bar (3) at a position corresponding to the position between the flange (10) and the uppermost grinding wheel, and is used for increasing the distance between the flange (10) and the water inlet (6) of the uppermost grinding wheel, so that externally sprayed cooling water is not blocked by the flange (10) and enters the corresponding water storage cavity (5) through the water inlet (6) of the uppermost grinding wheel.
2. Grinding wheel base with communication structure according to claim 1, characterized in that the sleeve is a washer (12), which washer (12) is fixedly sleeved on the tool bar (3) at a position corresponding to between the flange (10) and the uppermost grinding wheel.
3. Grinding wheel base with communication structure according to any of claims 1 to 2, characterized in that it further comprises a plurality of screws (13); the screws (13) penetrate through the cover plate (1) and then are downwards fixedly connected to the corresponding base (2) on the inner side of the tooth piece (4), so that the cover plate (1) presses the tooth piece (4) on the corresponding base (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010415366.0A CN111618712B (en) | 2020-05-15 | 2020-05-15 | Grinding wheel matrix with communication structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010415366.0A CN111618712B (en) | 2020-05-15 | 2020-05-15 | Grinding wheel matrix with communication structure |
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| Publication Number | Publication Date |
|---|---|
| CN111618712A CN111618712A (en) | 2020-09-04 |
| CN111618712B true CN111618712B (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010415366.0A Active CN111618712B (en) | 2020-05-15 | 2020-05-15 | Grinding wheel matrix with communication structure |
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| Country | Link |
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| CN (1) | CN111618712B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115070527A (en) * | 2022-07-27 | 2022-09-20 | 江苏雅固标准件有限公司 | Pipeline inner wall grinding device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2183247Y (en) * | 1993-12-01 | 1994-11-23 | 张志强 | Thin-type grooving abrasive wheel |
| DE10361895A1 (en) * | 2003-12-30 | 2005-07-28 | Technische Universität Kaiserslautern | Grinding wheel set up e.g. for high performance grinding machine, has base with connecting cover plate and one of sides exhibits channels to supply of cooling lubricant over supply line and to sharpening zone |
| JP2010260132A (en) * | 2009-05-07 | 2010-11-18 | O M Ltd | Device for machining end face of plate material |
| CN203210204U (en) * | 2013-04-24 | 2013-09-25 | 河南富耐克超硬材料股份有限公司 | Sawtooth-shaped grinding wheel |
| CN203611135U (en) * | 2013-07-23 | 2014-05-28 | 柘城县华鑫超硬磨料磨具有限公司 | Coreless grinding wheel |
| CN206029556U (en) * | 2016-08-29 | 2017-03-22 | 无锡市锡山区仁景模具厂 | Water spray cooled abrasive wheel cutting machine |
| CN206614417U (en) * | 2017-03-22 | 2017-11-07 | 陆如东 | Emery wheel cools down water system |
| CN208468104U (en) * | 2018-06-15 | 2019-02-05 | 洛阳传顺机械设备有限公司 | A kind of cooling device of grinding machine grinding wheel |
| CN110948404A (en) * | 2019-12-27 | 2020-04-03 | 桂林创源金刚石有限公司 | Split type chamfering device |
| CN212420808U (en) * | 2020-05-15 | 2021-01-29 | 桂林创源金刚石有限公司 | Grinding wheel base body with communication structure |
-
2020
- 2020-05-15 CN CN202010415366.0A patent/CN111618712B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2183247Y (en) * | 1993-12-01 | 1994-11-23 | 张志强 | Thin-type grooving abrasive wheel |
| DE10361895A1 (en) * | 2003-12-30 | 2005-07-28 | Technische Universität Kaiserslautern | Grinding wheel set up e.g. for high performance grinding machine, has base with connecting cover plate and one of sides exhibits channels to supply of cooling lubricant over supply line and to sharpening zone |
| JP2010260132A (en) * | 2009-05-07 | 2010-11-18 | O M Ltd | Device for machining end face of plate material |
| CN203210204U (en) * | 2013-04-24 | 2013-09-25 | 河南富耐克超硬材料股份有限公司 | Sawtooth-shaped grinding wheel |
| CN203611135U (en) * | 2013-07-23 | 2014-05-28 | 柘城县华鑫超硬磨料磨具有限公司 | Coreless grinding wheel |
| CN206029556U (en) * | 2016-08-29 | 2017-03-22 | 无锡市锡山区仁景模具厂 | Water spray cooled abrasive wheel cutting machine |
| CN206614417U (en) * | 2017-03-22 | 2017-11-07 | 陆如东 | Emery wheel cools down water system |
| CN208468104U (en) * | 2018-06-15 | 2019-02-05 | 洛阳传顺机械设备有限公司 | A kind of cooling device of grinding machine grinding wheel |
| CN110948404A (en) * | 2019-12-27 | 2020-04-03 | 桂林创源金刚石有限公司 | Split type chamfering device |
| CN212420808U (en) * | 2020-05-15 | 2021-01-29 | 桂林创源金刚石有限公司 | Grinding wheel base body with communication structure |
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| Publication number | Publication date |
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| CN111618712A (en) | 2020-09-04 |
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