CN115106853B - Multi-grinding wheel switching device of numerical control knife grinder - Google Patents
Multi-grinding wheel switching device of numerical control knife grinder Download PDFInfo
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- CN115106853B CN115106853B CN202211040231.6A CN202211040231A CN115106853B CN 115106853 B CN115106853 B CN 115106853B CN 202211040231 A CN202211040231 A CN 202211040231A CN 115106853 B CN115106853 B CN 115106853B
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- grinding wheel
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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
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/04—Protective covers for the grinding wheel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a multi-grinding wheel switching device of a numerical control knife grinder, which comprises a base, wherein the upper surface of the base is rotationally connected with a mounting seat, a grinding wheel protective cover is fixedly connected to the mounting seat, a plurality of grinding wheel motors are arranged on the grinding wheel protective cover, grinding wheels are arranged on output shafts of each grinding wheel motor, and a conversion frame is commonly arranged on the output shafts of the plurality of grinding wheel motors; the conversion frame is provided with a conversion shaft, one end of the conversion shaft, which is far away from the grinding wheel protection cover, is provided with a universal transmission mechanism, the lower surface of the base is fixedly provided with a motor frame, the motor frame is fixedly provided with a conversion motor, and the output shaft of the conversion motor is provided with a gear transmission mechanism. The advantages are that: the grinding wheel switching device is ingenious in structure and reasonable in design, a plurality of grinding wheels with different precision can be switched at any time, the applicable range of the device can be improved, the time cost and the labor cost for replacing the grinding wheels can be saved, and the production cost is saved.
Description
Technical Field
The invention relates to the technical field of numerical control knife sharpeners, in particular to a multi-grinding wheel switching device of a numerical control knife sharpeners.
Background
The knife grinder is mainly used for sharpening cutting tools in the machining industry, and because abrasion of the cutting tools is unavoidable in the cutting machining process, the knife grinder can be used for grinding a knife blank or grinding the grinded cutting tools, so that the machining cost can be effectively reduced, and the product benefit is improved. In the existing knife grinder, the numerical control knife grinder is the preferred choice for sharpening the high-precision machining knife because of the characteristics of high efficiency, high precision and high quality when grinding the knife.
The existing numerical control knife grinder has the advantages that when the cutter is ground, the requirements of different cutters on the types of the grinding wheels are different, some grinding wheels with thicker points are needed, some grinding wheels with thinner points are needed, frequent replacement of the grinding wheels is needed for the needs of the types of the grinding wheels, the grinding wheels are replaced by special staff, the grinding wheels are required to be debugged after the replacement is completed, a large amount of time is required to be consumed in the whole replacement process, the whole production process is prolonged, and when the grinding wheels are manually replaced, cutting fluid is sprayed on the whole numerical control knife grinder, so that the difficulty of replacing the grinding wheels is increased, and the surrounding environment of the knife grinder is polluted.
Therefore, we propose a multi-grinding wheel switching device of a numerical control knife grinder to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a multi-grinding wheel switching device of a numerical control knife grinder.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the multi-grinding wheel switching device of the numerical control knife grinder comprises a base, wherein the upper surface of the base is rotationally connected with a mounting seat, a grinding wheel protective cover is fixedly connected to the mounting seat, a plurality of grinding wheel motors are mounted on the grinding wheel protective cover, grinding wheels are mounted on output shafts of the grinding wheel motors, a conversion frame is mounted on the output shafts of the grinding wheel motors together, and the conversion frame is mounted in the grinding wheel protective cover;
the conversion frame is provided with a conversion shaft, one end of the conversion shaft, far away from the grinding wheel protection cover, is provided with a universal transmission mechanism, the lower surface of the base is fixedly provided with a motor frame, the motor frame is fixedly provided with a conversion motor, the output shaft of the conversion motor is provided with a gear transmission mechanism, the gear transmission mechanism is arranged on the lower surface of the base, and the output end of the gear transmission mechanism is connected with the input end of the universal transmission mechanism.
In the multi-grinding wheel switching device of the numerical control knife grinder, the gear transmission mechanism comprises a driving gear, the driving gear is arranged on an output shaft of the conversion motor, a driven gear is arranged on the lower surface of the base through a rotating shaft, the driven gear is meshed with the driving gear, an axis of a connecting position of the mounting seat and the base is coincident with that of the driven gear, an inner gear frame is fixedly arranged on the lower surface of the base, an arc limiting hole is formed in the base, a sliding frame is slidably connected to the arc limiting hole, a penetrating shaft is arranged on the sliding frame, a universal transmission mechanism is arranged at the upper end of the penetrating shaft, a movable gear and a connecting frame are arranged on the penetrating shaft, the movable gear is meshed with the inner gear frame, and the connecting frame is in interference fit with the rotating shaft of the driven gear.
In the numerical control knife grinder multi-grinding wheel switching device, the circle center of any section of the inner gear frame is on the center line of the driven gear;
the circle center of the arc limiting hole is arranged on the central line of the driven gear;
the radius of the inner wall of the arc-shaped limit Kong Renyi is smaller than the radius of any outer wall of the inner gear frame.
In the numerical control knife grinder multi-grinding wheel switching device, the sliding frame is fixedly connected with a first support, the mounting seat is fixedly connected with a second support, and a transmission frame is connected between the first support and the second support in a common rotation mode.
In the multi-grinding wheel switching device of the numerical control knife grinder, the universal transmission mechanism comprises a vertical shaft and a transverse shaft, the vertical shaft is fixedly arranged at the output end of the gear transmission mechanism, the transverse shaft is fixedly connected to the conversion shaft, a connecting shaft is arranged between the vertical shaft and the transverse shaft, the connecting shaft is connected with the vertical shaft through a first universal joint, and the connecting shaft is connected with the transverse shaft through a second universal joint.
In the multi-grinding wheel switching device of the numerical control knife grinder, the sliding frame comprises two limiting plates which are symmetrically arranged, the lower surface of the limiting plate positioned at the upper end is in contact with the upper surface of the base, the upper surface of the limiting plate positioned at the lower end is in contact with the lower surface of the base, the two limiting plates are jointly provided with connecting plates, the connecting plates are positioned in arc limiting holes, the diameter of a penetrating shaft is smaller than the width of the connecting plates, limiting grooves are formed in the two inner side walls of the arc limiting holes, two limiting seats are symmetrically arranged on the connecting plates, and each limiting seat is in sliding connection with the corresponding limiting groove.
In the multi-grinding wheel switching device of the numerical control knife grinder, the grinding wheel protective cover comprises a cover body, the cover body is fixedly connected to the mounting seat, the cover body is provided with the grinding wheel hole, the end face, far away from the grinding wheel hole, of the cover body is provided with the motor hole, and the output shaft of each grinding wheel motor penetrates through the motor hole and extends into the cover body.
In the multi-grinding wheel switching device of the numerical control knife grinder, the conversion frame comprises a fixed frame, the fixed frame is arranged on the conversion shaft, a plurality of extension frames are symmetrically arranged on the fixed frame, each extension frame is provided with a grinding wheel frame, and an output shaft of the grinding wheel motor is arranged on the grinding wheel frame.
In the multi-grinding wheel switching device of the numerical control knife grinder, the inner side wall of the cover body is provided with the spherical annular groove, one end, far away from the fixing frame, of each extension frame is fixedly connected with the fixing ball, each fixing ball is slidably connected in the spherical annular groove, and the depth of the spherical annular groove is larger than the radius of the fixing ball.
In the multi-grinding wheel switching device of the numerical control knife grinder, the cover body is provided with the fixed ring grooves, each grinding wheel motor is fixedly connected with the fixed block, and each fixed block is slidably connected to the fixed ring groove.
Compared with the prior art, the invention has the beneficial effects that:
1. the sliding frame is driven to move in the arc limiting hole through the conversion motor and the gear transmission mechanism, the installation seat is rotated through the transmission frame, so that the rotation of the grinding wheel protection cover is realized, when different grinding wheels can be guaranteed to rotate to a working position (namely to the corresponding position of the grinding wheel hole) through a certain angle, the corresponding angles of the grinding wheel protection cover are different, as the surface roughness of the grinding wheel is difficult to distinguish by eyes, the roughness of the surface of the grinding wheel of the working position is judged by utilizing different angle settings, and the probability of misjudgment is reduced.
2. Through converting motor and gear drive mechanism drive run through the axle rotation, the universal drive mechanism of recycling realizes the rotation of conversion frame to this removal that realizes the emery wheel position, move to the emery wheel that the emery wheel hole position is corresponding on the emery wheel guard cover and be the work emery wheel, open corresponding emery wheel motor when the work emery wheel needs to work can, guarantee that the emery wheel of a plurality of different precision can switch at any time, not only can improve the breadth that the device is suitable for, can practice thrift time cost and the cost of labor that the change emery wheel consumes moreover, practice thrift manufacturing cost.
In conclusion, the grinding wheel switching device has the advantages that the structure is ingenious, the design is reasonable, the grinding wheels with different precision can be switched at any time, the application range of the device can be improved, the time cost and the labor cost for replacing the grinding wheels can be saved, and the production cost is saved.
Drawings
Fig. 1 is a schematic structural diagram of a multi-grinding wheel switching device of a numerical control knife grinder;
fig. 2 is an illustrative diagram of another angle of a multi-grinding wheel switching device of a numerical control knife grinder according to the present invention;
fig. 3 is an enlarged view of a structure of a connecting shaft part in the multi-grinding wheel switching device of the numerical control knife grinder;
fig. 4 is an enlarged view of a part of a conversion frame in the multi-grinding wheel switching device of the numerical control knife grinder;
fig. 5 is a large structural diagram of a sliding frame in a multi-grinding wheel switching device of a numerical control knife grinder;
fig. 6 is an enlarged view of the structure of a grinding wheel protection cover in the multi-grinding wheel switching device of the numerical control knife grinder;
fig. 7 is an enlarged view of another angle of the grinding wheel guard in the multi-grinding wheel switching device of the numerical control knife grinder.
In the figure: the device comprises a base, a 2 conversion motor, a 3 inner gear rack, a 4 arc limiting hole, a 5 sliding frame, a 6 penetrating shaft, a 7 first support, an 8 vertical shaft, a 9 first universal joint, a 10 connecting shaft, a 11 transmission frame, a 12 mounting seat, a 13 grinding wheel motor, a 14 grinding wheel protection cover, a 15 grinding wheel, a 16 moving gear, a 17 connecting frame, a 18 driven gear, a 19 driving gear, a 20 motor rack, a 21 second universal joint, a 22 transverse shaft, a 23 conversion frame, a 24 fixed ball, a 25 second support and a 26 conversion shaft;
5 sliding frames, 501 limiting plates, 502 connecting plates and 503 limiting seats;
14 grinding wheel protective cover, 1401 cover body, 1402 motor hole, 1403 fixed ring groove, 1404 grinding wheel hole, 1405 spherical ring groove;
23 conversion frames, 2301 extension frames, 2302 grinding frames and 2303 fixing frames.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the invention.
Examples
Referring to fig. 1-7, a multi-grinding wheel switching device of a numerical control knife grinder comprises a base 1, wherein the upper surface of the base 1 is rotationally connected with a mounting seat 12, a grinding wheel protection cover 14 is fixedly connected to the mounting seat 12, a plurality of grinding wheel motors 13 are installed on the grinding wheel protection cover 14, grinding wheels 15 are installed on output shafts of each grinding wheel motor 13, the grinding wheel protection cover 14 comprises a cover body 1401, the cover body 1401 is fixedly connected to the mounting seat 12, a grinding wheel hole 1404 is formed in the cover body 1401, a working grinding wheel can perform grinding operation through the grinding wheel hole 1404, other grinding wheels 15 are positioned in the cover body 1401 when the working grinding wheel works, damage to workpieces caused by friction between the other grinding wheels 15 and workpieces is avoided, the grinding operation of the working grinding wheel is prevented from being influenced by the other grinding wheels 15, a motor hole 1402 is formed in an end face of the cover body 1401, which is far away from the grinding wheel hole 1404, and the output shaft of each grinding wheel motor 13 passes through the motor hole 1402 and extends into the cover body 1401;
the cover body 1401 is provided with a fixed ring groove 1403, each grinding wheel motor 13 is fixedly connected with a fixed block, each fixed block is connected to the fixed ring groove 1403 in a sliding manner, so that the rotation stability of the grinding wheel motor 13 in the conversion process of the grinding wheel 15 is guaranteed, the load borne by the output shafts of the grinding wheel motor 13 is reduced, the output shafts of the grinding wheel motors 13 are jointly provided with a conversion frame 23, the conversion frame 23 is arranged in the grinding wheel cover 14, the conversion frame 23 comprises a fixed frame 2303, the fixed frame 2303 is arranged on a conversion shaft 26, the fixed frame 2303 is symmetrically provided with a plurality of extension frames 2301, each extension frame 2301 is provided with a grinding wheel frame 2302, and the output shaft of the grinding wheel motor 13 is arranged on the grinding wheel frame 2302;
the inner side wall of the cover body 1401 is provided with a spherical annular groove 1405, one end of each extension frame 2301 far away from the fixing frame 2303 is fixedly connected with a fixing ball 24, each fixing ball 24 is slidably connected in the spherical annular groove 1405, the conversion frame 23 is ensured to be installed in the cover body 1401, meanwhile, the stability of the conversion frame 23 in the rotating process is ensured, collision between the grinding wheel 15 and the inner wall of the cover body 1401 caused by strong shaking generated in the conversion process of the conversion frame 23 is avoided, the depth of the spherical annular groove 1405 is larger than the radius of the fixing ball 24, and the fixing ball 24 is ensured to be limited in the spherical annular groove 1405;
the conversion frame 23 is provided with a conversion shaft 26, one end of the conversion shaft 26, which is far away from the grinding wheel protection cover 14, is provided with a universal transmission mechanism, the universal transmission mechanism comprises a vertical shaft 8 and a horizontal shaft 22, the vertical shaft 8 is fixedly arranged at the output end of the gear transmission mechanism, the horizontal shaft 22 is fixedly connected to the conversion shaft 26, a connecting shaft 10 is arranged between the vertical shaft 8 and the horizontal shaft 22, the connecting shaft 10 is connected with the vertical shaft 8 through a first universal joint 9, the connecting shaft 10 is connected with the horizontal shaft 22 through a second universal joint 21, the universal transmission mechanism is arranged to change the direction of a transmission axis, the horizontal shaft 22 can rotate along with the rotation of the vertical shaft 8 through the connecting shaft 10, and the horizontal shaft 22 can still rotate along with the rotation of the vertical shaft 8 through the connecting shaft 10 under the condition of changing the position of the vertical shaft 8;
the lower surface of the base 1 is fixedly provided with a motor frame 20, the motor frame 20 is fixedly provided with a conversion motor 2, the output shaft of the conversion motor 2 is provided with a gear transmission mechanism, the gear transmission mechanism is arranged on the lower surface of the base 1, the output end of the gear transmission mechanism is connected with the input end of a universal transmission mechanism, the gear transmission mechanism comprises a driving gear 19, the driving gear 19 is arranged on the output shaft of the conversion motor 2, the lower surface of the base 1 is provided with a driven gear 18 through a rotating shaft, the driven gear 18 is meshed with the driving gear 19, the axis of the connecting part of the mounting seat 12 and the base is coincident with the axis of the driven gear 18, the distance between the vertical shaft 8 and a transverse shaft 22 in the moving process is ensured not to be changed, the connecting shaft 10 is prevented from being broken, the lower surface of the base 1 is fixedly provided with an inner gear frame 3, the base 1 is provided with an arc-shaped limiting hole 4, the arc-shaped limiting hole 4 is connected with a sliding frame 5, the sliding frame 5 is provided with a penetrating shaft 6, the universal transmission mechanism is arranged on the upper end of the penetrating shaft 6, the penetrating shaft 6 is provided with a moving gear 16 and a connecting frame 17, the moving gear 16 and the connecting frame 17 are meshed with the internal gear frame 3 and the driven gear frame 18 are meshed with the rotating shaft 18, and the center of the rotating shaft 18 is meshed with the inner gear frame 18; the center of the arc limiting hole 4 is on the center line of the driven gear 18; the radius of any inner wall of the arc limiting hole 4 is smaller than the radius of any outer wall of the inner gear frame 3;
the sliding frame 5 comprises two limiting plates 501 which are symmetrically arranged, the lower surface of the limiting plate 501 positioned at the upper end is in contact with the upper surface of the base 1, the upper surface of the limiting plate 501 positioned at the lower end is in contact with the lower surface of the base 1, the limiting plate 501 is utilized to ensure that the sliding frame 5 is installed in the arc limiting hole 4, the sliding frame 5 is prevented from being separated from the base 1, meanwhile, the sliding frame 5 is prevented from shaking in the moving process, a connecting plate 502 is jointly installed between the two limiting plates 501, the connecting plate 502 is positioned in the arc limiting hole 4, the diameter of a penetrating shaft 6 is smaller than the width of the connecting plate 502, limiting grooves are formed in the two inner side walls of the arc limiting hole 4, two limiting seats 503 are symmetrically installed on the connecting plate 502, and each limiting seat 503 is slidably connected in the corresponding limiting groove, so that the stability of the sliding frame 5 in the moving process is further ensured;
the first support 7 is fixedly connected to the sliding frame 5, the second support 25 is fixedly connected to the mounting seat 12, and the transmission frame 11 is connected between the first support 7 and the second support 25 in a rotation mode, so that the mounting seat 12 is driven to rotate.
When the grinding wheel conversion is carried out, the conversion motor 2 is turned on, the output shaft of the conversion motor 2 drives the driving gear 19 to rotate, the driving gear 19 drives the driven gear 18 to rotate through gear engagement, the driven gear 18 drives the movable gear 16 to rotate around the axis of the driven gear 18 through the connecting frame 17, the movable gear 16 rotates around the axis of the driven gear 18 under the meshing action of the inner gear frame 3 in the rotation process of the movable gear 16, so that the penetrating shaft 5 rotates along with the movable gear and drives the vertical shaft 8 to rotate along with the movable gear, the vertical shaft 8 drives the connecting shaft 10 to rotate through the first universal joint 9, the connecting shaft 10 drives the transverse shaft 22 to rotate through the second universal joint 21, the conversion frame 23 is driven to rotate through the conversion shaft 26 when the transverse shaft 22 rotates, the grinding wheel 15 on the conversion frame 23 moves around the axis of the conversion shaft 26, the grinding wheel 15 corresponding to the position of the grinding wheel hole 1404 on the grinding wheel protection cover 14 is a working grinding wheel, and when the working grinding wheel needs to work, the corresponding grinding wheel motor 13 is turned on;
when the conversion frame 23 rotates along with the conversion shaft 26, the fixed ball 24 fixedly connected to the conversion frame 23 moves in the spherical annular groove 1405, and simultaneously, the fixed block on the grinding wheel motor 13 slides in the fixed annular groove 1403;
when the movable gear 16 rotates around the axis of the driven gear 18, the penetrating shaft 6 drives the sliding frame 5 to slide in the arc limiting hole 4, the first support 7 fixedly connected to the sliding frame 5 drives the mounting seat 12 to rotate through the transmission frame 11 and the second support 25, so that the grinding wheel protection cover 14 rotates along with the sliding frame, when the grinding wheel protection cover 14 rotates for a certain angle to ensure that different grinding wheels 15 rotate to working positions (namely to positions corresponding to the grinding wheel holes 1404), the angles corresponding to the grinding wheel protection cover 14 are different, and as the roughness of the surface of the grinding wheel 15 is difficult to distinguish by human eyes, the roughness of the surface of the grinding wheel 15 of the working position is judged by utilizing different angle settings, so that the probability of judging errors is reduced;
it is worth noting that the numerical control knife grinder adopting the mechanism is only required to arrange a workpiece clamping mechanism with adjustable length and angle.
Although terms such as the base 1, the conversion motor 2, the inner gear frame 3, the arc-shaped limit hole 4, the carriage 5, the limit plate 501, the link plate 502, the limit seat 503, the through shaft 6, the first mount 7, the vertical shaft 8, the first universal joint 9, the link shaft 10, the transmission frame 11, the mount 12, the grinding wheel motor 13, the grinding wheel guard 14, the cover 1401, the motor hole 1402, the fixed ring groove 1403, the grinding wheel hole 1404, the spherical ring groove 1405, the grinding wheel 15, the moving gear 16, the link frame 17, the driven gear 18, the driving gear 19, the motor frame 20, the second universal joint 21, the horizontal shaft 22, the conversion frame 23, the extension frame 2301, the wheel frame 2302, the mount 2303, the fixing ball 24, the second mount 25, the conversion shaft 26 are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.
Claims (4)
1. The utility model provides a numerical control knife grinder many abrasive wheels auto-change over device, includes base (1), its characterized in that: the upper surface of the base (1) is rotationally connected with a mounting seat (12), a grinding wheel protection cover (14) is fixedly connected to the mounting seat (12), a plurality of grinding wheel motors (13) are mounted on the grinding wheel protection cover (14), grinding wheels (15) are mounted on output shafts of the grinding wheel motors (13), a conversion frame (23) is mounted on the output shafts of the grinding wheel motors (13) together, and the conversion frame (23) is mounted in the grinding wheel protection cover (14);
a conversion shaft (26) is arranged on the conversion frame (23), a universal transmission mechanism is arranged at one end, far away from the grinding wheel protective cover (14), of the conversion shaft (26), a motor frame (20) is fixedly arranged on the lower surface of the base (1), a conversion motor (2) is fixedly arranged on the motor frame (20), a gear transmission mechanism is arranged on an output shaft of the conversion motor (2), the gear transmission mechanism is arranged on the lower surface of the base (1), and the output end of the gear transmission mechanism is connected with the input end of the universal transmission mechanism;
the gear transmission mechanism comprises a driving gear (19), the driving gear (19) is arranged on an output shaft of the conversion motor (2), a driven gear (18) is arranged on the lower surface of the base (1) through a rotating shaft, the driven gear (18) is meshed with the driving gear (19), the axis of a rotating joint of the mounting seat (12) and the base coincides with the axis of the driven gear (18), an inner gear frame (3) is fixedly arranged on the lower surface of the base (1), an arc-shaped limiting hole (4) is formed in the base (1), a sliding frame (5) is connected onto the arc-shaped limiting hole (4), a penetrating shaft (6) is arranged on the sliding frame (5), the universal transmission mechanism is arranged at the upper end of the penetrating shaft (6), a movable gear (16) and a connecting frame (17) are arranged on the penetrating shaft (6), the movable gear (16) is meshed with the inner gear frame (3), and the connecting frame (17) is arranged on the rotating shaft of the driven gear (18) in an interference mode;
the center of any section of the inner gear frame (3) is on the center line of the driven gear (18);
the circle center of the arc limiting hole (4) is arranged on the central line of the driven gear (18);
the radius of any inner wall of the arc limiting hole (4) is smaller than the radius of any outer wall of the inner gear frame (3);
the sliding frame (5) is fixedly connected with a first support (7), the mounting seat (12) is fixedly connected with a second support (25), and a transmission frame (11) is connected between the first support (7) and the second support (25) in a common rotation mode;
the universal transmission mechanism comprises a vertical shaft (8) and a transverse shaft (22), the vertical shaft (8) is fixedly arranged at the output end of the gear transmission mechanism, the transverse shaft (22) is fixedly connected to a conversion shaft (26), a connecting shaft (10) is arranged between the vertical shaft (8) and the transverse shaft (22), the connecting shaft (10) is connected with the vertical shaft (8) through a first universal joint (9), and the connecting shaft (10) is connected with the transverse shaft (22) through a second universal joint (21);
the sliding frame (5) comprises two limiting plates (501) which are symmetrically arranged, the lower surface of the limiting plate (501) positioned at the upper end is in contact with the upper surface of the base (1), the upper surface of the limiting plate (501) positioned at the lower end is in contact with the lower surface of the base (1), a connecting plate (502) is jointly arranged between the two limiting plates (501), the connecting plate (502) is positioned in an arc limiting hole (4), the diameter of a penetrating shaft (6) is smaller than the width of the connecting plate (502), limiting grooves are formed in two inner side walls of the arc limiting hole (4), two limiting seats (503) are symmetrically arranged on the connecting plate (502), and each limiting seat (503) is in sliding connection with the corresponding limiting groove;
the grinding wheel protection cover (14) comprises a cover body (1401), the cover body (1401) is fixedly connected to the mounting seat (12), a grinding wheel hole (1404) is formed in the cover body (1401), a motor hole (1402) is formed in the end face, far away from the grinding wheel hole (1404), of the cover body (1401), and an output shaft of each grinding wheel motor (13) penetrates through the motor hole (1402) and extends into the cover body (1401);
the grinding wheel protection cover (14) rotates a certain angle, so that when different grinding wheels (15) rotate to a working position, the angles corresponding to the grinding wheel protection cover (14) are different, and as the surface roughness of the grinding wheels (15) is difficult to distinguish by human eyes, the roughness of the surface of the grinding wheels (15) at the working position is judged by utilizing different angle settings, and the probability of misjudgment is reduced.
2. The numerical control knife grinder multi-grinding wheel switching device according to claim 1, wherein: the conversion frame (23) comprises a fixing frame (2303), the fixing frame (2303) is arranged on the conversion shaft (26), a plurality of extension frames (2301) are symmetrically arranged on the fixing frame (2303), each extension frame (2301) is provided with a grinding wheel frame (2302), and an output shaft of the grinding wheel motor (13) is arranged on the grinding wheel frame (2302).
3. The numerical control knife grinder multi-grinding wheel switching device according to claim 2, wherein: the novel anti-theft cover is characterized in that a spherical annular groove (1405) is formed in the inner side wall of the cover body (1401), one end, far away from the fixing frame (2303), of each extension frame (2301) is fixedly connected with a fixing ball (24), each fixing ball (24) is slidably connected in the spherical annular groove (1405), and the depth of the spherical annular groove (1405) is larger than the radius of the fixing ball (24).
4. The numerical control knife grinder multi-grinding wheel switching device according to claim 1, wherein: the cover body (1401) is provided with a fixed ring groove (1403), each grinding wheel motor (13) is fixedly connected with a fixed block, and each fixed block is slidably connected to the fixed ring groove (1403).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211040231.6A CN115106853B (en) | 2022-08-29 | 2022-08-29 | Multi-grinding wheel switching device of numerical control knife grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211040231.6A CN115106853B (en) | 2022-08-29 | 2022-08-29 | Multi-grinding wheel switching device of numerical control knife grinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115106853A CN115106853A (en) | 2022-09-27 |
| CN115106853B true CN115106853B (en) | 2023-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211040231.6A Active CN115106853B (en) | 2022-08-29 | 2022-08-29 | Multi-grinding wheel switching device of numerical control knife grinder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116214311B (en) * | 2023-05-08 | 2023-07-21 | 安徽常力达电气有限公司 | Grinding device for high-low voltage switch cabinet |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08197401A (en) * | 1995-01-30 | 1996-08-06 | Dainaka Seiki Kk | Stone grinding/polishing device |
| CN103591235B (en) * | 2013-10-27 | 2016-08-31 | 梁永军 | A kind of Universal gear mechanism |
| CN106737067A (en) * | 2017-01-18 | 2017-05-31 | 苏州市爱司特塑胶五金有限公司 | A kind of Switch of working position component of full-automatic roller sander |
| CN110977689A (en) * | 2019-12-18 | 2020-04-10 | 天津市纺织机械器材研究所有限公司 | Special multi-grinding-wheel switching device for automatic airflow dressing instrument |
| CN114019315A (en) * | 2021-11-24 | 2022-02-08 | 国网安徽省电力有限公司马鞍山供电公司 | Distribution network ground fault positioning device |
| CN114161290B (en) * | 2021-12-16 | 2023-01-10 | 常德市鼎城区正荣机械制造有限公司 | Pulley shaft production method and device |
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