CN113618628A - Grinding wheel angle adjusting mechanism of numerical control grinding machine - Google Patents
Grinding wheel angle adjusting mechanism of numerical control grinding machine Download PDFInfo
- Publication number
- CN113618628A CN113618628A CN202111004310.7A CN202111004310A CN113618628A CN 113618628 A CN113618628 A CN 113618628A CN 202111004310 A CN202111004310 A CN 202111004310A CN 113618628 A CN113618628 A CN 113618628A
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- bearing
- hole
- motor
- box
- dust
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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
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Abstract
The invention discloses a grinding wheel angle adjusting mechanism of a numerical control grinding machine, which comprises a fixed base, wherein a reduction box is fixedly arranged at the top end of the fixed base, the top end of the reduction box is fixedly connected with a box top cover through six groups of screws, the top end of the box top cover is fixedly connected with a rotating base through six groups of screws, a rotating body is fixedly arranged at the top end of the rotating base, the top end of the rotating body is fixedly connected with a supporting base through six groups of screws, and the top end of the supporting base is fixedly provided with a supporting body. The rotating range is not limited, the range of the deflection angle of the grinding wheel is expanded, and the processing range is expanded.
Description
Technical Field
The invention relates to the technical field of numerical control machinery, in particular to an angle adjusting mechanism for a grinding wheel of a numerical control grinding machine.
Background
Grinding, a mechanical process that removes material. The method is a processing method for cutting off redundant materials on a workpiece by using an abrasive material and a grinding tool. Grinding is one of the more widely used material removal methods.
A numerically controlled grinder is a machine tool that grinds the surface of a workpiece using a grinding tool by a numerical control technique. Most grinding machines perform grinding using a grinding wheel rotating at a high speed, and a few grinding machines perform grinding using oilstones, sanding belts and other grinders and free abrasives, such as honing machines, superfinishing machines, sanding belt grinders, grinding machines, polishing machines, and the like.
Patent No. CN201110103301.3 discloses a grinding wheel angle adjustment mechanism for a numerically controlled grinder, which is designed based on the principle that a motor drives a screw to rotate to control the nut to move up and down relatively, and then to control the rotation of the nut seat, wherein the first axis, the second axis and the projection of the nut seat form a triangle, and the deflection angle of the grinding wheel is precisely controlled by the cosine law.
Although the above patent document can achieve the desired object by using screw transmission, the side length of a triangle formed by the first axis, the second axis and the nut seat is changed by using the up-and-down movement of the screw nut relative to the screw to change the grinding wheel deflection angle, so that a more precise grinding wheel deflection angle cannot be obtained, and the range of the grinding wheel deflection angle is not large. Meanwhile, when the grinding wheel is used, the generated dust is not effectively recycled to reduce pollution and harm.
Therefore, in view of the above, research and improvement are made for the existing structure and defects, and the present solution provides a grinding wheel angle adjustment mechanism for a numerically controlled grinding machine, so as to achieve the purpose of more practical value.
Disclosure of Invention
The invention aims to solve the problems and provides a grinding wheel angle adjusting mechanism of a numerical control grinding machine.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a numerically control grinder emery wheel angular adjustment mechanism, includes fixed baseplate, fixed baseplate's top fixed mounting has the reducing gear box, six groups of screw fixedly connected with box top caps are passed through on the top of reducing gear box, box top cap top is passed through six groups of screw fixedly connected with rotating basis, rotating basis top fixed mounting has the rotating body, six groups of screw fixedly connected with supporting pedestal are passed through on the top of rotating body, supporting pedestal top fixed mounting has the supporting body.
Preferably, the one end fixed mounting that the support main part stretches out has a motor case, the inside fixed mounting of motor case has driving motor, one side of driving motor is rotated and is connected with main rotation axis, the central line of main rotation axis and driving motor's central line coincidence, main rotation axis stretches out one side fixed mounting of driving motor has the dust lag, the inside swivelling joint of dust lag has the emery wheel, there is fixation nut one side that the dust lag is kept away from the motor case through threaded connection.
Preferably, a dust guide pipe is installed on one side of the dust protection sleeve, the other end of the dust guide pipe is connected to an air suction port formed in the support main body, an air blower is fixedly installed on one side of the air suction port, an output port is formed in one side, away from the air suction port, of the air blower, a collecting box is connected to one side, away from the motor box, of the output port, one side, away from the air blower, of the output port is connected with the collecting box, a filter plate is installed on the top end of the support main body, grinding dust is generated along with grinding of the grinding wheel to a workpiece, most of the grinding dust enters the dust protection sleeve through a large-particle collecting plate, and then the dust is absorbed into the collecting box in the support main body through the air blower, so that pollution caused by the dust is greatly reduced.
Preferably, the fixed base is provided with a motor through hole, the central line of the motor through hole is parallel to the central line of the fixed base, the fixed base is provided with a first bearing through hole, the central line of the first bearing through hole is parallel to the central line of the fixed base, the bottom end of the fixed base is fixedly provided with a rotating motor, the output end of the rotating motor penetrates through the motor through hole and extends to the top end of the fixed base, and the output end of the rotating motor is fixedly provided with a motor main gear.
Preferably, an auxiliary transmission shaft is installed inside the reduction gearbox, a first bearing is arranged at the bottom end of the auxiliary transmission shaft, an inner ring of the first bearing and the auxiliary transmission shaft are relatively fixed through interference fit, an outer ring of the first bearing is fixed inside a first through hole of the bearing through interference fit, a motor driven gear is fixedly installed in the middle of the auxiliary transmission shaft, the motor driven gear is meshed with a motor main gear, and a secondary speed reduction main gear is fixedly arranged on the upper portion of the auxiliary transmission shaft.
Preferably, the box top cap has been seted up the bearing second through-hole, bearing second through-hole central line is parallel with box top cap central line, the bearing third through-hole has been seted up to the box top cap, bearing third through-hole central line and box top cap central line coincidence, auxiliary drive shaft's top rotation is connected with the second bearing, the inner circle of second bearing with auxiliary drive shaft passes through interference fit relatively fixed, the outer lane of second bearing passes through interference fit to be fixed inside the bearing second through-hole.
Preferably, the reduction gearbox is rotatably connected with a main shaft, the main shaft is composed of an upper bearing fixing section, a screw rod, a lower bearing fixing section and a gear fixing section, a secondary speed reduction slave gear is fixedly connected to the lower portion of the gear fixing section, the secondary speed reduction slave gear is meshed with the secondary speed reduction master gear, a third bearing is rotatably connected to the lower portion of the lower bearing fixing section, an inner ring of the third bearing and the lower bearing fixing section are relatively fixed through interference fit, and an outer ring of the third bearing is fixed inside a third through hole of the bearing through interference fit.
Preferably, the feed screw is fixedly connected to the top end of the spindle, the feed screw sleeve is provided with a feed screw nut, the feed screw nut is composed of a nut upper boss, a nut lower base, a nut fixing rod and an internal thread, a nut hole is formed in the rotating body, the cross section of the nut hole is the same as that of the feed screw nut, a fourth bearing is rotatably connected to the outer side of the upper bearing fixing section, and the inner ring of the fourth bearing is relatively fixed to the upper bearing fixing section through interference fit.
Compared with the prior art, the invention has the following advantages:
according to the invention, the high-speed rotation of the motor is changed into low-speed rotation through gear transmission, the low-speed rotation reduced through gear transmission is further reduced through screw transmission, and the accurate rotation is transmitted to the grinding wheel through the screw nut, so that a more accurate grinding wheel deflection angle can be obtained;
according to the scheme, while a more accurate deflection angle is obtained, the gear transmission and the screw transmission are used, the rotating range is not limited, the deflection angle range of the grinding wheel is expanded, and the processing range is expanded;
moreover, dust and particles generated in the working process of the equipment are sucked into the collecting box through the dust guide pipe through the air blower, on one hand, the dust hazard of the equipment in the working process is reduced, on the other hand, generated garbage is collected, and the damage of waste materials to workpieces in the working process of the equipment is reduced.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is an isometric view of the present invention;
FIG. 3 is a schematic half-section view of the present invention;
FIG. 4 is a schematic view of the transmission structure of the present invention;
FIG. 5 is a schematic structural view of a feed screw nut of the present invention;
FIG. 6 is a schematic structural view of a lead screw according to the present invention;
FIG. 7 is a schematic structural diagram of a fixing base according to the present invention;
FIG. 8 is a schematic structural diagram of a top cover of the box body of the present invention.
In the figure: 1. a rotating electric machine; 2. a fixed base; 3. a reduction gearbox; 4. a top cover of the box body; 5. rotating the base; 6. fixing a nut; 7. a motor case; 8. a grinding wheel; 9. a support body; 10. a support base; 11. a rotating body; 12. a main rotating shaft; 13. a fourth bearing; 14. a screw rod; 15. a nut hole; 16. a feed screw nut; 17. a main shaft; 18. a third bearing; 19. a second bearing; 20. a secondary speed reduction main gear; 21. an auxiliary drive shaft; 22. a motor driven gear; 23. a first bearing; 24. a secondary reduction slave gear; 25. a motor main gear; 26. a nut fixing rod; 27. a boss is arranged on the nut; 28. a nut lower base; 29. an internal thread; 30. an upper bearing fixing section; 31. a screw fixing section; 32. a lower bearing fixing section; 33. a gear fixing section; 34. a motor through hole; 35. a bearing first through hole; 36. a bearing second through hole; 37. a bearing third through hole; 38. a large particle collection plate; 39. a dust protecting sleeve; 40. a dust duct; 41. a filter plate; 42. a collection box; 43. a drive motor; 44. an output port; 45. a blower; 46. an air suction opening.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
As shown in figures 1 to 8:
the invention provides a grinding wheel angle adjusting mechanism of a numerical control grinding machine, which comprises a fixed base 2, wherein a reduction gearbox 3 is fixedly arranged at the top end of the fixed base 2, the top end of the reduction gearbox 3 is fixedly connected with a box top cover 4 through six groups of screws, the top end of the box top cover 4 is fixedly connected with a rotating base 5 through six groups of screws, a rotating body 11 is fixedly arranged at the top end of the rotating base 5, the top end of the rotating body 11 is fixedly connected with a supporting base 10 through six groups of screws, and a supporting body 9 is fixedly arranged at the top end of the supporting base 10;
a motor box 7 is fixedly installed at one extending end of the supporting main body 9, a driving motor 43 is fixedly installed inside the motor box 7, one side of the driving motor 43 is rotatably connected with a main rotating shaft 12, the center line of the main rotating shaft 12 is overlapped with the center line of the driving motor 43, a dust protecting sleeve 39 is fixedly installed at one side of the main rotating shaft 12 extending out of the driving motor 43, a grinding wheel 8 is rotatably connected inside the dust protecting sleeve 39, and a fixing nut 6 is connected to one side of the dust protecting sleeve 39 far away from the motor box 7 through threads;
a dust guide pipe 40 is arranged on one side of the dust protection sleeve 39, the other end of the dust guide pipe 40 is connected to an air suction port 46 formed in the supporting main body 9, an air blower 45 is fixedly arranged on one side of the air suction port 46, an output port 44 is formed in one side, away from the air suction port 46, of the air blower 45, a collecting box 42 is connected to one side, away from the motor box 7, of the supporting main body 9, one side, away from the air blower 45, of the output port 44 is connected with the collecting box 42, a filter plate 41 is arranged at the top end of the supporting main body 9, grinding dust is generated along with grinding of a workpiece by a grinding wheel 8, most of the grinding dust enters the dust protection sleeve 39 through a large particle collecting plate 38, and then the dust is absorbed into the collecting box 42 in the supporting main body 9 through the air blower 45, so that pollution caused by the dust is greatly reduced;
the fixed base 2 is provided with a motor through hole 34, the central line of the motor through hole 34 is parallel to the central line of the fixed base 2, the fixed base 2 is provided with a bearing first through hole 35, the central line of the bearing first through hole 35 is parallel to the central line of the fixed base 2, the bottom end of the fixed base 2 is fixedly provided with the rotating motor 1, the output end of the rotating motor 1 penetrates through the motor through hole 34 and extends to the top end of the fixed base 2, and the output end of the rotating motor 1 is fixedly provided with a motor main gear 25;
an auxiliary transmission shaft 21 is installed inside the reduction gearbox 3, a first bearing 23 is arranged at the bottom end of the auxiliary transmission shaft 21, the inner ring of the first bearing 23 and the auxiliary transmission shaft 21 are relatively fixed through interference fit, the outer ring of the first bearing 23 is fixed inside a first through hole 35 of the bearing through interference fit, a motor driven gear 22 is fixedly installed in the middle of the auxiliary transmission shaft 21, the motor driven gear 22 is meshed with a motor main gear 25, and a secondary reduction main gear 20 is fixedly arranged at the upper part of the auxiliary transmission shaft 21;
the box top cover 4 is provided with a bearing second through hole 36, the central line of the bearing second through hole 36 is parallel to the central line of the box top cover 4, the box top cover 4 is provided with a bearing third through hole 37, the central line of the bearing third through hole 37 is overlapped with the central line of the box top cover 4, the top end of the auxiliary transmission shaft 21 is rotatably connected with a second bearing 19, the inner ring of the second bearing 19 and the auxiliary transmission shaft 21 are relatively fixed through interference fit, and the outer ring of the second bearing 19 is fixed inside the bearing second through hole 36 through interference fit;
the reduction box 3 is rotatably connected with a main shaft 17, the main shaft 17 consists of an upper bearing fixing section 30, a screw fixing section 31, a screw rod 14, a lower bearing fixing section 32 and a gear fixing section 33, the lower part of the gear fixing section 33 is fixedly connected with a secondary speed reduction slave gear 24, the secondary speed reduction slave gear 24 is meshed with a secondary speed reduction master gear 20, the lower part of the lower bearing fixing section 32 is rotatably connected with a third bearing 18, the inner ring of the third bearing 18 and the lower bearing fixing section 32 are relatively fixed through interference fit, and the outer ring of the third bearing 18 is fixed inside a third bearing through hole 37 through interference fit;
the screw 14 is fixedly connected to the top end of the main shaft 17, the screw 14 is sleeved with a screw nut 16, the screw nut 16 consists of an upper nut boss 27, a lower nut base 28, a nut fixing rod 26 and an internal thread 29, the rotating body 11 is provided with a nut hole 15, the cross section of the nut hole 15 is the same as that of the screw nut 16, the outer side of the upper bearing fixing section 30 is rotatably connected with a fourth bearing 13, and the inner ring of the fourth bearing 13 and the upper bearing fixing section 30 are relatively fixed through interference fit;
the specific use mode and function of the embodiment are as follows:
when the device is used, firstly, the device is fixed on a numerical control grinding machine through six groups of bolt holes on a fixed base 2, then the device is started, the rotation angle of a grinding wheel 8 returns to zero, when a certain angle is needed, the device operates, firstly, a certain speed reduction is carried out on a rotating motor 1 through a gear set, then, the reduction ratio is further enlarged through a screw rod 14 and a screw rod nut 16, the rotation angle after speed reduction is transmitted to a support main body through the screw rod nut 16, so that the rotation angle of the grinding wheel 8 is accurately changed, meanwhile, when the device works, grinding dust is generated along with grinding of a workpiece by the grinding wheel 8, most of the grinding dust enters a dust protective sleeve 39 through a large particle collecting plate 38, then the device absorbs the dust into a collecting box 42 in the support main body 9 through an air blower 45, and after the collecting box 42 collects certain dust, the collecting box 42 can be drawn out to clean the dust and then put back, therefore, pollution and harm caused by dust can be greatly reduced, and dust accumulation in the numerically controlled grinder can be reduced.
The previous description is provided to enable any person skilled in the art to practice the various aspects described herein. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects. Thus, the claims are not intended to be limited to the aspects shown herein, but is to be accorded the full scope consistent with the language claims, wherein reference to an element in the singular is not intended to mean "one and only one" unless specifically so stated, but rather "one or more.
Claims (8)
1. A grinding wheel angle adjusting mechanism of a numerical control grinding machine comprises a fixed base (2) and is characterized in that a reduction gearbox (3) is fixedly mounted at the top end of the fixed base (2), the top end of the reduction gearbox (3) is fixedly connected with a box top cover (4) through six groups of screws, the top end of the box top cover (4) is fixedly connected with a rotary base (5) through six groups of screws, a rotary main body (11) is fixedly mounted at the top end of the rotary base (5), the top end of the rotary main body (11) is fixedly connected with a supporting base (10) through six groups of screws, a supporting main body (9) is fixedly mounted at the top end of the supporting base (10), a motor box (7) is fixedly mounted at one extending end of the supporting main body (9), a driving motor (43) is fixedly mounted inside the motor box (7), and a main rotating shaft (12) is rotatably connected to one side of the driving motor (43), the dust collection device is characterized in that the center line of the main rotating shaft (12) coincides with the center line of the driving motor (43), a dust protection sleeve (39) is fixedly arranged on one side, extending out of the driving motor (43), of the main rotating shaft (12), a grinding wheel (8) is rotatably connected inside the dust protection sleeve (39), a fixing nut (6) is connected to one side, far away from the motor box (7), of the dust protection sleeve (39) through threads, a dust guide pipe (40) is installed on one side of the dust protection sleeve (39), the other end of the dust guide pipe (40) is connected to an air suction port (46) formed inside the supporting main body (9), an air blower (45) is fixedly arranged on one side of the air suction port (46), an output port (44) is formed in one side, far away from the air suction port (46), of the supporting main body (9) is connected with a collection box (42), one side that air-blower (45) were kept away from in delivery outlet (44) is connected with collecting box (42), filter (41) are installed on the top of support subject (9), along with emery wheel (8) are to the grinding of work piece, have produced the grinding dust, and the dust gets into dust lag (39) through large granule collecting plate (38), and equipment passes through air-blower (45) and absorbs the dust in the inside collecting box (42) of support subject (9).
2. The angle adjusting mechanism for the grinding wheel of the numerical control grinding machine according to claim 1, characterized in that the fixing base (2) is provided with a motor through hole (34), the center line of the motor through hole (34) is parallel to the center line of the fixing base (2), the fixing base (2) is provided with a bearing first through hole (35), and the center line of the bearing first through hole (35) is parallel to the center line of the fixing base (2).
3. The angle adjusting mechanism for the grinding wheel of the numerically controlled grinding machine as claimed in claim 2, wherein a rotating motor (1) is fixedly mounted at the bottom end of the fixed base (2), the output end of the rotating motor (1) extends to the top end of the fixed base (2) through the motor through hole (34), and a motor main gear (25) is fixedly mounted at the output end of the rotating motor (1).
4. The angle adjusting mechanism for the grinding wheel of the numerically controlled grinding machine as claimed in claim 3, wherein an auxiliary transmission shaft (21) is mounted inside the reduction box (3), a first bearing (23) is disposed at the bottom end of the auxiliary transmission shaft (21), an inner ring of the first bearing (23) and the auxiliary transmission shaft (21) are relatively fixed through interference fit, an outer ring of the first bearing (23) is fixed inside the first through hole (35) of the bearing through interference fit, a motor driven gear (22) is fixedly mounted in the middle of the auxiliary transmission shaft (21), the motor driven gear (22) is meshed with the motor main gear (25), and a secondary speed reduction main gear (20) is fixedly disposed on the upper portion of the auxiliary transmission shaft (21).
5. The angle adjusting mechanism for the grinding wheel of the numerical control grinding machine as claimed in claim 4, wherein the box top cover (4) is provided with a second bearing through hole (36), the center line of the second bearing through hole (36) is parallel to the center line of the box top cover (4), the box top cover (4) is provided with a third bearing through hole (37), and the center line of the third bearing through hole (37) is coincident with the center line of the box top cover (4).
6. The angle adjusting mechanism for the grinding wheel of the numerically controlled grinding machine as claimed in claim 5, wherein a second bearing (19) is rotatably connected to the top end of the auxiliary transmission shaft (21), an inner ring of the second bearing (19) and the auxiliary transmission shaft (21) are relatively fixed through interference fit, and an outer ring of the second bearing (19) is fixed inside the second through hole (36) of the bearing through interference fit.
7. The angle adjusting mechanism for the grinding wheel of the numerically controlled grinding machine according to claim 6, the reduction gearbox (3) is rotationally connected with a main shaft (17), the main shaft (17) consists of an upper bearing fixing section (30), a screw fixing section (31), a screw rod (14), a lower bearing fixing section (32) and a gear fixing section (33), the lower part of the gear fixing section (33) is fixedly connected with a secondary speed reduction driven gear (24), the secondary reduction slave gear (24) is meshed with the secondary reduction master gear (20), the lower part of the lower bearing fixing section (32) is rotationally connected with a third bearing (18), the inner ring of the third bearing (18) and the lower bearing fixing section (32) are relatively fixed through interference fit, and the outer ring of the third bearing (18) is fixed in the bearing third through hole (37) through interference fit.
8. The angle adjusting mechanism for the grinding wheel of the numerically controlled grinding machine as claimed in claim 7, wherein the lead screw (14) is fixedly connected to the top end of the main shaft (17), the lead screw (14) is sleeved with a lead screw nut (16), the lead screw nut (16) is composed of an upper nut boss (27), a lower nut base (28), a nut fixing rod (26) and an internal thread (29), the rotating body (11) is provided with a nut hole (15), the cross section of the nut hole (15) is the same as that of the lead screw nut (16), a fourth bearing (13) is rotatably connected to the outer side of the upper bearing fixing section (30), and the inner ring of the fourth bearing (13) and the upper bearing fixing section (30) are relatively fixed through interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111004310.7A CN113618628A (en) | 2021-08-30 | 2021-08-30 | Grinding wheel angle adjusting mechanism of numerical control grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111004310.7A CN113618628A (en) | 2021-08-30 | 2021-08-30 | Grinding wheel angle adjusting mechanism of numerical control grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113618628A true CN113618628A (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111004310.7A Withdrawn CN113618628A (en) | 2021-08-30 | 2021-08-30 | Grinding wheel angle adjusting mechanism of numerical control grinding machine |
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| CN (1) | CN113618628A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114249188A (en) * | 2021-12-13 | 2022-03-29 | 国网甘肃省电力公司经济技术研究院 | Automatic cable winding and unwinding device |
-
2021
- 2021-08-30 CN CN202111004310.7A patent/CN113618628A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114249188A (en) * | 2021-12-13 | 2022-03-29 | 国网甘肃省电力公司经济技术研究院 | Automatic cable winding and unwinding device |
| CN114249188B (en) * | 2021-12-13 | 2024-03-26 | 国网甘肃省电力公司经济技术研究院 | Automatic cable winding and unwinding device |
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Application publication date: 20211109 |
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| WW01 | Invention patent application withdrawn after publication |