CN215469961U - Combined drill bit tool back angle grinding device - Google Patents
Combined drill bit tool back angle grinding device Download PDFInfo
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- CN215469961U CN215469961U CN202120349519.6U CN202120349519U CN215469961U CN 215469961 U CN215469961 U CN 215469961U CN 202120349519 U CN202120349519 U CN 202120349519U CN 215469961 U CN215469961 U CN 215469961U
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Abstract
The utility model relates to the technical field of machining, in particular to a grinding device for a rear angle of a combined drill bit cutter, which reduces the temperature of a drill bit in the grinding process, improves the grinding effect of the drill bit, prolongs the service life of the drill bit and cleans chips generated in the grinding process of the drill bit; the utility model discloses a support, a workbench, the sharpedge grinding machine, the apparatus further comprises a rotating shaft, the abrasive disc, the protecting box, the apron, the fixed block, the shower nozzle, the setting tank, the closing plate, the guide plate, the cooler bin, the outlet pipe, the drain pipe, a water pump, spray pipe and backup pad, backup pad fixed mounting is at the middle part of support, workstation fixed mounting is in the upper end of support, sharpedge grinding machine fixed mounting is in the left part of support upper end, be provided with pivot and abrasive disc on the sharpedge grinding machine, the pivot is connected with sharpedge grinding machine's output, abrasive disc fixed mounting is at the right-hand member of pivot, protecting box fixed mounting is in the upper end of workstation, the protecting box is transparent material, the inside of protecting box is provided with the cavity.
Description
Technical Field
The utility model relates to the technical field of machining, in particular to a device for grinding a rear angle of a combined drill bit cutter.
Background
The drill sharpener is an auxiliary device for grinding drill bits, and is widely applied in the technical field of machining. In the process of grinding the back angle of a drill bit cutter by the conventional knife grinder, high temperature is generated due to the contact of the drill bit and a grinding sheet rotating at high speed, and the ground part of the drill bit is easily annealed due to the overhigh temperature, so that the strength of the drill bit is reduced, and the service life of the drill bit is shortened.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides the device for grinding the rear angle of the combined drill bit cutter, which reduces the temperature of the drill bit in the grinding process, improves the grinding effect of the drill bit, prolongs the service life of the drill bit and cleans chips generated in the grinding process of the drill bit.
The utility model relates to a combined drill bit cutter relief angle grinding device, which comprises a support, a workbench, a knife sharpener, a rotating shaft, a grinding sheet, a protective box, a cover plate, a fixed block, a spray nozzle, a settling box, a sealing plate, a guide plate, a cooling box, a water outlet pipe, a water drain pipe, a water pump, a water spray pipe and a support plate, wherein the support plate is fixedly arranged in the middle of the support, the workbench is fixedly arranged at the upper end of the support, the knife sharpener is fixedly arranged at the left part of the upper end of the support, the rotating shaft and the grinding sheet are arranged on the knife sharpener, the rotating shaft is connected with the output end of the knife sharpener, the grinding sheet is fixedly arranged at the right end of the rotating shaft, the protective box is fixedly arranged at the upper end of the workbench, the protective box is made of transparent materials, a cavity is arranged in the protective box, the lower end of the protective box is an opening, the rotating shaft and the protective box are rotatably arranged, the grinding sheet is positioned in the cavity of the protective box, and the right end of the protective box is provided with a working opening, the working port is connected with the cavity of the protective box
The device comprises a working port, a cover plate, a fixing block, a spray head, a sealing plate, a cooling box, a spray head, a protective box cavity, a spray head, a sealing plate and a cooling box, wherein the cover plate is arranged at the outer side of the working port through bolts, the fixing block is fixedly arranged at the upper end of the protective box cavity, the spray head is fixedly arranged at the lower end of the fixing block, the upper end of the working platform is provided with a plurality of groups of filter holes which are all communicated with the cavity of the protective box, the settling box is fixedly arranged at the upper end of the supporting plate, the cavity of the settling box is divided into a left cavity and a right cavity by the sealing plate, the sealing plate is fixedly arranged at the upper end of the supporting plate, the sealing plate is obliquely arranged at the upper end of the sealing plate, the plurality of groups of filter holes on the working platform are positioned above the guide plate and the right cavity of the settling box, the cooling box is fixedly arranged at the upper end of the supporting plate, the cooling box is positioned at the left side of the settling box, and is provided with a cooling cavity inside of the cooling box, the lateral wall of cooler bin is provided with the multiunit ventilation hole, and the right-hand member of outlet pipe and the upper portion intercommunication of the left cavity of setting tank are provided with the valve on the outlet pipe, and the left end of outlet pipe and the upper portion intercommunication in cooler bin cooling chamber, the input of drain pipe and the lower part intercommunication in cooler bin cooling chamber are provided with the water pump on the drain pipe, and the drain pipe passes through the water pump to be connected with the input of drain pipe, and the output of spray pipe passes the last lateral wall of protective housing and is connected with the input of shower nozzle.
The utility model discloses a combined drill bit tool rear angle grinding device, which further comprises a suspension bracket, an air gun and an air pipe, wherein the suspension bracket is fixedly arranged at the right end of the support, the air gun is suspended on the suspension bracket, the input end of the air gun is connected with the output end of the air pipe, and the input end of the air pipe is connected with the output end of an air pump.
The utility model discloses a device for grinding the rear angle of a combined drill bit tool, which further comprises a first sealing block and a second sealing block, wherein cleaning openings are formed in a settling box and a protective box, and the first sealing block and the second sealing block are respectively arranged on the outer sides of the cleaning openings of the settling box and the protective box.
The utility model relates to a device for polishing the rear angle of a combined drill tool, which further comprises a support rod and a dust cover, wherein the support rod is fixedly arranged at the upper end of a cooling box, and the dust cover is fixedly arranged at the upper end of the support rod.
The utility model relates to a device for grinding the rear angle of a combined drill bit tool, which also comprises a liquid level meter, wherein the liquid level meter is fixedly arranged on a cooling box.
The utility model relates to a device for polishing the rear angle of a combined drill tool, which further comprises a base, wherein the base is fixedly arranged at the lower end of a support.
According to the device for polishing the rear angle of the combined drill tool, the outer layer of the protective box is coated with the antirust coating.
Compared with the prior art, the utility model has the beneficial effects that: firstly, opening a cover plate and a rotating shaft, driving the rotating shaft and a grinding sheet to rotate at a high speed by a knife grinder, then putting a drill bit into a cavity of a protective box through a working opening, then contacting the drill bit with the grinding sheet rotating at the high speed to grind a rear angle of the drill bit, then opening a water pump to enable water in a cooling cavity of the cooling box to enter a spray head through a drain pipe and a water spray pipe, then spraying cooling water onto the grinding sheet and the drill bit by the spray head to reduce the temperature of the drill bit and the grinding sheet, then dropping the cooling water to the lower end of the cavity of the protective box, simultaneously flushing chips generated in the grinding process to the lower part of the cavity of the protective box, then flowing large-particle metal chips to the upper end of a working table, dropping small-particle chips and the cooling water onto a guide plate and a right cavity of a settling box through a plurality of groups of filter holes, enabling the water and the chips on the guide plate to slide into the right cavity of the settling box under the action of gravity, and respectively fixedly connecting the front end and the rear end of a sealing plate with the front end and the rear end of the cavity of the settling box, and the lower end of the sealing plate is provided with a drain hole, so that a communicating vessel is formed inside the cavity of the settling tank, the liquid level of the left cavity and the liquid level of the right cavity of the settling tank are equal due to the principle of the communicating vessel, small-particle debris can fall on the lower end of the cavity of the settling tank due to the high density of the debris ground on the drill bit, then clean water falls into the cooling cavity of the cooling tank through a water outlet pipe, the liquid level in the cooling tank is lower than the liquid level in the water outlet pipe, the water is fully subjected to heat exchange with the surrounding air in the falling process of the cooling cavity of the cooling tank, the temperature of the cooling water is reduced, meanwhile, the plurality of groups of ventilation holes arranged on the cooling tank promote the flow of the air in the cooling tank, the cooling effect of the water is improved, then the cooling water falls on the lower part of the cooling cavity of the cooling tank and then enters the drain pipe again for circulating work, and the temperature of the drill bit in the grinding process is reduced, the grinding effect of the drill bit is improved, the service life of the drill bit is prolonged, the chips generated in the grinding process of the drill bit are cleaned, and the practicability and the cleanness are high.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the structure of the sealing plate;
FIG. 3 is a schematic structural view of the connection of the protection box, the fixing block, the spray head and the like;
FIG. 4 is a schematic view showing the structure of the connection of the settling tank, the sealing plate, the water outlet pipe and the like;
in the drawings, the reference numbers: 1. a support; 2. a work table; 3. a knife sharpener; 4. a rotating shaft; 5. a polishing sheet; 6. a protective box; 7. a working port; 8. a cover plate; 9. a fixed block; 10. a spray head; 11. a settling tank; 12. a sealing plate; 13. a drain hole; 14. a baffle; 15. a cooling tank; 16. a water outlet pipe; 17. a drain pipe; 18. a water pump; 19. a water spray pipe; 20. a support plate; 21. a suspension bracket; 22. an air gun; 23. an air tube; 24. a first seal block; 25. a second seal block; 26. a strut; 27. a dust cover; 28. a liquid level meter; 29. a base.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
As shown in fig. 1 to 4, the polishing device for the rear angle of the combined drill tool of the present invention comprises a support 1, a workbench 2, a sharpener 3, a rotating shaft 4, a grinding sheet 5, a protective box 6, a cover plate 8, a fixing block 9, a nozzle 10, a settling box 11, a sealing plate 12, a guide plate 14, a cooling box 15, a water outlet pipe 16, a drain pipe 17, a water pump 18, a water spray pipe 19 and a support plate 20, wherein the support plate 20 is fixedly installed in the middle of the support 1, the workbench 2 is fixedly installed at the upper end of the support 1, the sharpener 3 is fixedly installed at the left portion of the upper end of the support 1, the sharpener 3 is provided with the rotating shaft 4 and the grinding sheet 5, the rotating shaft 4 is connected with the output end of the sharpener 3, the grinding sheet 5 is fixedly installed at the right end of the rotating shaft 4, the protective box 6 is fixedly installed at the upper end of the workbench 2, the protective box 6 is made of a transparent material, a cavity is arranged inside the protective box 6, the lower end of the protective box is an opening, the rotating shaft 4 is rotatably installed with the protective box 6, the grinding sheet 5 is positioned in a cavity of the protective box 6, the right end of the protective box 6 is provided with a working port 7, the working port 7 is communicated with the cavity of the protective box 6, the cover plate 8 is installed on the outer side of the working port 7 through a bolt, the fixing block 9 is fixedly installed at the upper end of a cavity of the protective box 6, the spray head 10 is fixedly installed at the lower end of the fixing block 9, the upper end of the workbench 2 is provided with a plurality of groups of filtering holes which are communicated with the cavity of the protective box 6, the settling box 11 is fixedly installed at the upper end of the supporting plate 20, the settling box 11 is internally provided with a cavity, the sealing plate 12 is fixedly installed at the lower end of the cavity of the settling box 11, the front end and the rear end of the sealing plate 12 are respectively and fixedly connected with the front end and the rear end of the cavity of the settling box 11, the sealing plate 12 is communicated with the upper part of the left cavity of the settling box 11, the water outlet pipe 16 is provided with a valve, the left end of the water outlet pipe 16 is communicated with the upper part of the cooling cavity of the cooling box 15, the input end of a drain pipe 17 is communicated with the lower part of a cooling cavity of the cooling box 15, a water pump 18 is arranged on the drain pipe 17, the drain pipe 17 is connected with the input end of the drain pipe 17 through the water pump 18, and the output end of a water spray pipe 19 penetrates through the upper side wall of the protective box 6 and is connected with the input end of the spray head 10; firstly, opening a cover plate 8 and a rotating shaft 4, driving the rotating shaft 4 and a grinding sheet 5 to rotate at a high speed by a knife grinder 3, then putting a drill bit into a cavity of a protective box 6 through a working opening 7, then contacting the drill bit with the grinding sheet 5 rotating at the high speed to grind a rear angle of the drill bit, then opening a water pump 18, enabling water in a cooling cavity of a cooling box 15 to enter a spray head 10 through a drain pipe 17 and a water spray pipe 19, then spraying cooling water onto the grinding sheet 5 and the drill bit by the spray head 10 to reduce the temperature of the drill bit and the grinding sheet 5, then dropping the cooling water to the lower end of the cavity of the protective box 6 and simultaneously flushing scraps generated in the grinding process to the lower part of the cavity of the protective box 6, then enabling large-particle metal scraps to flow to the upper end of a working table 2, enabling small-particle scraps and cooling water to fall onto a guide plate 14 and a right cavity of a settling box 11 through a plurality of groups of filter holes, enabling water on the guide plate 14 and the scraps to slide into the right cavity of the settling box 11 under the action of the settling box 11, since the front and rear ends of the sealing plate 12 are fixedly connected with the front and rear ends of the chamber of the settling tank 11, respectively, and the lower end of the sealing plate 12 is provided with the water discharge hole 13, therefore, a communicating vessel is formed inside the chamber of the settling tank 11, the liquid level of the left chamber and the liquid level of the right chamber of the settling tank 11 are equal due to the principle of the communicating vessel, and the density of chips ground on a drill bit is high, small particles of debris will fall to the lower end of the chamber of the settling tank 11, after which clean water falls through the outlet pipe 16 into the cooling chamber of the cooling tank 15, the liquid level in the cooling tank 15 is lower than the liquid level in the water outlet pipe 16, the water fully exchanges heat with the surrounding air in the falling process of the cooling cavity of the cooling tank 15, the temperature of the cooling water is reduced, meanwhile, the plurality of groups of ventilation holes arranged on the cooling box 15 promote the flow of air in the cooling box 15, improve the cooling effect of water and then cool.
The water falls to and enters into drain pipe 17 cycle work again behind the 15 cooling chamber lower parts of cooler bin can, has reduced the temperature of drill bit in the grinding process, has improved the grinding effect of drill bit, has improved the life of drill bit, has cleared up the piece that the drill bit produced in the grinding process moreover, and practicality and cleanliness are high.
The utility model discloses a device for polishing the rear angle of a combined drill bit tool, which further comprises a suspension bracket 21, an air gun 22 and an air pipe 23, wherein the suspension bracket 21 is fixedly arranged at the right end of the support 1, the air gun 22 is suspended on the suspension bracket 21, the input end of the air gun 22 is connected with the output end of the air pipe 23, and the input end of the air pipe 23 is connected with the output end of an air pump; through the arrangement, dust and impurities at the upper end of the workbench 2 can be blown clean through the air gun 22, and the cleanness and the convenience in the use process are improved.
The utility model discloses a device for grinding the rear angle of a combined drill tool, which further comprises a first sealing block 24 and a second sealing block 25, wherein cleaning openings are formed in a settling tank 11 and a protective tank 6, and the first sealing block 24 and the second sealing block 25 are respectively arranged at the outer sides of the cleaning openings of the settling tank 11 and the protective tank 6; through the arrangement, the cleaning of the debris in the settling tank 11 and the protective box 6 is facilitated, and the cleanness and the convenience in the use process are improved.
The utility model discloses a device for sharpening the rear angle of a combined drill tool, which further comprises a support rod 26 and a dust cover 27, wherein the support rod 26 is fixedly arranged at the upper end of a cooling box 15, and the dust cover 27 is fixedly arranged at the upper end of the support rod 26; through the arrangement, dust is prevented from falling to the upper end of the cooling box 15, and the cleanness in the using process is improved.
The utility model relates to a device for grinding the rear angle of a combined drill tool, which also comprises a liquid level meter 28, wherein the liquid level meter 28 is fixedly arranged on a cooling box 15; through the arrangement, the liquid level in the cooling cavity of the cooling box 15 is conveniently monitored, and the reliability in the using process is improved.
The utility model discloses a device for sharpening the rear angle of a combined drill tool, which further comprises a base 29, wherein the base 29 is fixedly arranged at the lower end of the support 1; through the arrangement, the stability of the bracket 1 in the using process is improved.
According to the device for polishing the rear angle of the combined drill tool, the outer layer of the protective box 6 is coated with the antirust coating; through the arrangement, the rusting of the protective box 6 is delayed, and the service life of the protective box 6 is prolonged.
The utility model relates to a device for grinding the rear angle of a combined drill bit cutter, which is characterized in that when the device works, firstly a cover plate 8 and a rotating shaft 4 are opened, a knife grinder 3 drives the rotating shaft 4 and a grinding sheet 5 to rotate at a high speed, then a drill bit is placed into a cavity of a protective box 6 through a working opening 7, then the drill bit is contacted with the grinding sheet 5 rotating at the high speed to grind the rear angle of the drill bit, then a water pump 18 is started, water in a cooling cavity of a cooling box 15 enters a spray head 10 through a drain pipe 17 and a water spray pipe 19, then the spray head 10 sprays cooling water onto the grinding sheet 5 and the drill bit, the temperature of the drill bit and the grinding sheet 5 is reduced, then the cooling water falls to the lower end of the cavity of the protective box 6 and simultaneously flushes chips generated in the grinding process to the lower part of the cavity of the protective box 6, then large-particle metal chips are flowed to the upper end of a working table 2, small-particle chips and the cooling water fall onto a guide plate 14 and a right cavity of a settling box 11 through a plurality of filter holes, water and debris on the guide plate 14 slide into a right cavity of the settling tank 11 under the action of gravity, the front end and the rear end of the sealing plate 12 are fixedly connected with the front end and the rear end of the cavity of the settling tank 11 respectively, and the lower end of the sealing plate 12 is provided with a drain hole 13, so that a communicating vessel is formed inside the cavity of the settling tank 11, the liquid levels of the left cavity and the right cavity of the settling tank 11 are equal due to the principle of the communicating vessel, small-particle debris can fall at the lower end of the cavity of the settling tank 11 due to high density of the debris ground on a drill bit, then clean water falls into a cooling cavity of the cooling tank 15 through a water outlet pipe 16, the liquid level in the cooling tank 15 is lower than that in the water outlet pipe 16, the water can fully exchange heat with surrounding air in the falling process of the cooling cavity of the cooling tank 15, the temperature of the cooling water is reduced, and meanwhile, the plurality of groups of vent holes arranged on the cooling tank 15 promote the flow of the air in the cooling cavity of the cooling tank 15, the cooling effect of water is improved, and then the cooling water falls to the lower part of the cooling cavity of the cooling box 15 and enters the drain pipe 17 again for circulating work.
According to the device for grinding the rear angle of the combined drill tool, the mounting mode, the connecting mode or the setting mode are common mechanical modes, and the device can be implemented as long as the beneficial effects of the device can be achieved; the knife sharpener 3, the grinding sheet 5, the spray head 10, the water pump 18, the air gun 22 and the liquid level meter 28 of the combined drill bit cutter back angle sharpening device are purchased from the market, and technicians in the industry only need to install and operate according to the accompanying operating instructions.
The foregoing is merely a preferred embodiment of the utility model, it being noted that, to the extent this technology is concerned
It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the technical principles of the utility model, and these modifications and variations should be considered as the protective scope of the utility model.
Claims (7)
1. A combined drill bit tool rear angle grinding device is characterized by comprising a support (1), a workbench (2), a knife sharpener (3), a rotating shaft (4), a grinding sheet (5), a protective box (6), a cover plate (8), a fixing block (9), a spray head (10), a settling box (11), a sealing plate (12), a guide plate (14), a cooling box (15), a water outlet pipe (16), a water drain pipe (17), a water pump (18), a water spray pipe (19) and a support plate (20), wherein the support plate (20) is fixedly arranged in the middle of the support (1), the workbench (2) is fixedly arranged at the upper end of the support (1), the knife sharpener (3) is fixedly arranged at the left part of the upper end of the support (1), the rotating shaft (4) and the grinding sheet (5) are arranged on the knife sharpener (3), the rotating shaft (4) is connected with the output end of the knife sharpener (3), the grinding sheet (5) is fixedly arranged at the right end of the rotating shaft (4), the protective box (6) is fixedly arranged at the upper end of the workbench (2), the protective box (6) is made of transparent materials, a cavity is arranged in the protective box (6), the lower end of the protective box (6) is an opening, the rotating shaft (4) and the protective box (6) are rotatably arranged, the grinding sheet (5) is positioned in the cavity of the protective box (6), a working port (7) is arranged at the right end of the protective box (6), the working port (7) is communicated with the cavity of the protective box (6), the cover plate (8) is arranged at the outer side of the working port (7) through a bolt, the fixed block (9) is fixedly arranged at the upper end of the cavity of the protective box (6), the spray head (10) is fixedly arranged at the lower end of the fixed block (9), a plurality of groups of filter holes are arranged at the upper end of the workbench (2), and the plurality of groups of filter holes are communicated with the cavity of the protective box (6), the settling box (11) is fixedly arranged at the upper end of the supporting plate (20), a cavity is arranged in the settling box (11), a sealing plate (12) is fixedly arranged at the lower end of the cavity of the settling box (11), the front end and the rear end of the sealing plate (12) are respectively fixedly connected with the front end and the rear end of the cavity of the settling box (11), the cavity of the settling box (11) is divided into a left cavity and a right cavity by the sealing plate (12), a drain hole (13) is arranged at the lower end of the sealing plate (12), a guide plate (14) is obliquely arranged at the upper end of the sealing plate (12), a plurality of groups of filtering holes on the workbench (2) are positioned above the guide plate (14) and the right cavity of the settling box (11), a cooling box (15) is fixedly arranged at the upper end of a supporting plate (20), the cooling box (15) is positioned at the left side of the settling box (11), a cooling cavity is arranged in the cooling box (15), a plurality of groups of vent holes are arranged on the side wall of the cooling box (15), the right end of a water outlet pipe (16) is communicated with the upper part of the left cavity of the settling box (11), the water outlet pipe (16) is provided with a valve, the left end of the water outlet pipe (16) is communicated with the upper part of a cooling cavity of the cooling box (15), the input end of the water outlet pipe (17) is communicated with the lower part of the cooling cavity of the cooling box (15), the water outlet pipe (17) is provided with a water pump (18), the water outlet pipe (17) is connected with the input end of the water outlet pipe (17) through the water pump (18), and the output end of the water spray pipe (19) penetrates through the upper side wall of the protection box (6) to be connected with the input end of the spray head (10).
2. The device for grinding the rear angle of the combined drill bit tool according to claim 1, further comprising a suspension bracket (21), an air gun (22) and an air pipe (23), wherein the suspension bracket (21) is fixedly installed at the right end of the support (1), the air gun (22) is suspended on the suspension bracket (21), the input end of the air gun (22) is connected with the output end of the air pipe (23), and the input end of the air pipe (23) is connected with the output end of the air pump.
3. The device for grinding the rear angle of the combined drill bit tool according to claim 2, further comprising a first sealing block (24) and a second sealing block (25), wherein the settling tank (11) and the protecting tank (6) are respectively provided with a cleaning opening, and the first sealing block (24) and the second sealing block (25) are respectively installed at the outer sides of the cleaning openings of the settling tank (11) and the protecting tank (6).
4. The combination drill bit tool rear angle grinding device according to claim 3, further comprising a support rod (26) and a dust cover (27), wherein the support rod (26) is fixedly installed at the upper end of the cooling box (15), and the dust cover (27) is fixedly installed at the upper end of the support rod (26).
5. The apparatus for grinding the rear angle of a combination drill bit according to claim 4, further comprising a liquid level meter (28), wherein the liquid level meter (28) is fixedly installed on the cooling box (15).
6. The combination drill tool relief angle grinding device according to claim 5, further comprising a base (29), wherein the base (29) is fixedly installed at a lower end of the holder (1).
7. The apparatus for grinding the rear angle of a combination drill bit according to claim 6, wherein the outer layer of the guard box (6) is coated with an anti-rust coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120349519.6U CN215469961U (en) | 2021-02-07 | 2021-02-07 | Combined drill bit tool back angle grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120349519.6U CN215469961U (en) | 2021-02-07 | 2021-02-07 | Combined drill bit tool back angle grinding device |
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| Publication Number | Publication Date |
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| CN215469961U true CN215469961U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120349519.6U Active CN215469961U (en) | 2021-02-07 | 2021-02-07 | Combined drill bit tool back angle grinding device |
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| CN (1) | CN215469961U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114589418A (en) * | 2022-04-21 | 2022-06-07 | 南昌工程学院 | Mechatronic laser cutting device |
-
2021
- 2021-02-07 CN CN202120349519.6U patent/CN215469961U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114589418A (en) * | 2022-04-21 | 2022-06-07 | 南昌工程学院 | Mechatronic laser cutting device |
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