CN114683045A - Self-positioning high-speed drilling and tapping center for hub machining and tool changing coaxial correction method - Google Patents
Self-positioning high-speed drilling and tapping center for hub machining and tool changing coaxial correction method Download PDFInfo
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- CN114683045A CN114683045A CN202210330048.3A CN202210330048A CN114683045A CN 114683045 A CN114683045 A CN 114683045A CN 202210330048 A CN202210330048 A CN 202210330048A CN 114683045 A CN114683045 A CN 114683045A
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- 238000005553 drilling Methods 0.000 title claims abstract description 56
- 238000003754 machining Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000012937 correction Methods 0.000 title claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 50
- 238000004140 cleaning Methods 0.000 claims description 25
- 210000002268 wool Anatomy 0.000 claims description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- 238000010079 rubber tapping Methods 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 12
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 239000006249 magnetic particle Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 3
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract description 3
- 210000003781 tooth socket Anatomy 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 125000001475 halogen functional group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
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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
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Abstract
The invention discloses a self-positioning high-speed drilling and tapping center for hub machining and a tool changing coaxial correction method, and relates to the technical field of hub machining. The self-positioning high-speed drilling and tapping center for hub machining and the tool changing coaxial correction method determine the rotation angle of the tool bit by adopting a mode of counting the number of tooth grooves, eliminate rotation to generate centrifugal force in a mode of clockwise sliding and anticlockwise sliding, avoid hard abrasion generated by a transmission gear when the tool bit directly fixes an angle, and reset and correct the tool bit in a back sliding mode to avoid inclination of the tool bit from influencing drilling operation on the hub.
Description
Technical Field
The invention relates to the technical field of hub machining, in particular to a self-positioning high-speed drilling and tapping center for hub machining and a tool changing coaxial correction method.
Background
The hub is a wheel core rotating part formed by connecting tire inner profile steel through an upright post, namely a metal part supporting the center of a tire and arranged on a shaft, the surface of the hub is provided with holes, the holes are generated for facilitating installation and heat dissipation, the hub is perforated by using a drilling and tapping center, the drilling and tapping center contains various types of cutter heads, all the cutter heads are positioned on one cutter head, and the cutter head can be changed into different types of cutter heads through rotation of a rotating shaft so as to adapt to the arrangement of different hole types.
The existing drilling and tapping center easily causes slight deviation between a vertical central axis of a new cutter head and a hub when the cutter head is replaced by a rotary cutter head, so that the processed hole site is not vertical, and the processed hub is easily unqualified.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a self-positioning high-speed drilling and tapping center for hub machining and a tool changing coaxial correction method, and solves the problems that when a tool bit is replaced by a rotary cutter disc, the existing drilling and tapping center easily causes slight deviation between a vertical central axis of a new tool bit and a hub, so that the machined hole position is not vertical, and the machined hub is easily unqualified.
In order to achieve the purpose, the invention is realized by the following technical scheme: a self-positioning high-speed drilling and tapping center for machining a hub comprises a machining table and a drilling and tapping assembly, wherein a vertical frame is arranged on one side of the surface of the machining table, vertical slide rails are arranged on two sides of the vertical frame, the drilling and tapping assembly is connected to the surface of the vertical slide rails in a sliding mode, the drilling and tapping assembly comprises a lifting box, a driving motor, a telescopic rod, a square inserting column, an annular slide rail, a pulley, a micro push rod, a clamping block, a high-definition camera, a rotary spring box, a steel wire rope, a distance piece and a transmission gear, the driving motor is arranged on one side, close to the vertical frame, of the lifting box, the telescopic rod is connected to the end portion of the driving motor, the square inserting column is connected to the other end of the telescopic rod, the annular slide rail is connected to one side, far away from the driving motor, of the lifting box, the pulley is arranged inside the annular slide rail, the micro push rod is connected to the bottom of the pulley, and the clamping block is connected to the bottom of the micro push rod, the top of telescopic link is provided with high definition digtal camera, the surface of annular slide rail is provided with the rotary spring box, and the inside winding of rotary spring box has wire rope, wire rope fixed surface has the distance piece, the external connection of square post of inserting has drive gear, the lead screw has been cup jointed to the inside one side that the cage is close to vertical frame, and the lead screw top is connected with servo motor.
Furthermore, the outer opening structure of the clamping block is matched with the inner opening structure of the tooth socket on the outer surface of the transmission gear, and the transmission gear is rotatably connected with the lifting box.
Furthermore, the tackle is fixedly connected with the steel wire rope, and the tackle is elastically connected with the rotary spring box through the steel wire rope.
Furthermore, the drilling and tapping assembly further comprises a rotating shaft and a cutter head, and one end, far away from the transmission gear, of the rotating shaft is connected with the cutter head.
Further, the subassembly is attacked to brill still includes operation motor, drive shaft and tool bit, the inside of blade disc is provided with the operation motor, the end connection of operation motor has the drive shaft, and the end connection of drive shaft has the tool bit.
Furthermore, the lateral surface of drive shaft is provided with from the locating component, and is used for realizing the prepositioning of tool bit from the locating component.
Furthermore, the self-positioning assembly comprises an annular cursor laser, and one end, close to the operation motor, of the annular cursor laser is fixedly connected with the outer surface of the cutter head.
Furthermore, the inner surface of the annular cursor laser is parallel to the outer surface of the driving shaft, and the vertical central axes of the driving shaft, the cutter head and the annular cursor laser are positioned on the same central axis.
Furthermore, the self-positioning assembly further comprises a connecting magnetic ring, a circular ring, cleaning wool tops and magnetic particles, wherein the connecting magnetic ring is distributed at one end, away from the cutter head, of the annular cursor laser in parallel, the outer side face of the connecting magnetic ring is connected with the circular ring, the cleaning wool tops are sleeved on the surface of the circular ring, and the magnetic particles are embedded in the cleaning wool tops.
A tool changing coaxial correction method of a self-positioning high-speed drilling and tapping center for hub machining comprises the following operation steps:
the method comprises the following steps: the telescopic rod extends out to enable the square inserting column to be inserted into the transmission gear, then the driving motor drives the transmission gear to enable the cutter head to rotate, the included angle between tooth grooves on the surface of the transmission gear is 10 degrees, the number of the rotating tooth grooves is determined through the high-definition camera, the included angle between every two cutter heads is 60 degrees, and after the cutter heads rotate through tooth grooves of six or multiple of six, the new cutter heads rotate to the positions of the old cutter heads;
step two: after the fact that the sliding block rotates in the tooth grooves of six or six multiples is judged, the micro push rod extends out to enable the clamping block to be vertically inserted into the tooth grooves, meanwhile, the telescopic rod contracts to retract the square inserting column, and the transmission gear continues to rotate under the action of centrifugal force to enable the micro push rod to drive the sliding block to slide along the interior of the annular sliding rail;
step three: the transmission gear continues to rotate after losing the power that driving motor provided, and transmission gear stall after centrifugal force effect finishes, and the gyration spring box kick-backs rolling wire rope this moment and makes coaster along the inside backsliding of annular slide rail reset until the distance piece is pasted to annular slide rail inner wall and makes wire rope can't continue to be rolled up, and new tool bit accomplishes the correction this moment and must with processing platform vertical distribution.
The invention provides a self-positioning high-speed drilling and tapping center for hub machining and a tool changing coaxial correction method, which have the following beneficial effects:
the rotating angle of the cutter head is determined by the number of tooth grooves, the centrifugal force generated by rotation is eliminated in a mode of firstly sliding clockwise and then sliding anticlockwise, hard abrasion generated by a transmission gear when the cutter head directly fixes an angle is avoided, and the cutter head is reset and corrected in a back sliding mode to avoid the inclination of the cutter head from influencing the drilling operation on the hub.
1. According to the self-positioning high-speed drilling and tapping center and the tool changing coaxial correction method for hub machining, the tooth socket is clamped by the clamping block when the power provided by the driving motor is lost, the transmission gear continues to rotate to a certain degree under the action of centrifugal force and drives the pulley to slide through the clamping block, the buffering effect is achieved, the phenomenon that the tooth socket is directly and rigidly clamped by the clamping block to cause damage of the transmission gear is avoided, and the pulley slides back under the action of the steel wire rope and the rotary spring box after the centrifugal force is over, so that the position of a tool bit is corrected.
2. According to the self-positioning high-speed drilling and tapping center for hub machining and the tool changing coaxial correction method, the driving motor retracts the square insertion column after the transmission gear rotates for a certain angle, and the problem that the service life of the driving motor is influenced due to the fact that the driving motor rotates reversely to adjust the position of the tool bit due to the fact that the transmission gear rotates is avoided.
3. According to the self-positioning high-speed drilling and tapping center for hub machining and the tool changing coaxial correction method, the annular cursor laser emits the annular indicating light ring towards the direction towards which the tool bit faces, and after the tool bit is corrected, the indicating light ring vertically faces the surface of a machining table, namely the surface of a hub, so that the self-positioning of a hole position to be drilled is realized, and the position of the hole to be drilled of the hub is known in advance.
4. When the cutter head does not rotate, the cleaning wool tops are adsorbed to a connecting magnetic ring on the outer surface of the driving shaft due to magnetic particles in the cleaning wool tops so as to prevent the indicating light ring from being shielded, and when the cutter head rotates, the cleaning wool tops are loosened and adsorbed due to centrifugal force to clean the end part of the annular cursor laser so as to prevent dust from adhering to block the projecting of the indicating light ring.
Drawings
FIG. 1 is a schematic front view of a machining table of a self-positioning high-speed drilling and tapping center and a tool changing coaxial correction method for hub machining according to the present invention;
FIG. 2 is a schematic diagram of a back-view structure of an annular slide rail of a self-positioning high-speed drilling and tapping center and a tool changing coaxial correction method for hub machining according to the invention;
FIG. 3 is a schematic side view of the internal structure of a lifting box of the self-positioning high-speed drilling and tapping center and the tool changing coaxial correction method for hub machining according to the present invention;
FIG. 4 is an enlarged structural schematic diagram of a part A in FIG. 2 of a self-positioning high-speed drilling and tapping center and a tool changing coaxial correction method for hub machining according to the present invention;
FIG. 5 is a schematic top view of a cleaning top wool top structure of a self-positioning high-speed drilling and tapping center and a tool changing coaxial correction method for hub machining according to the present invention;
FIG. 6 is an enlarged structural schematic diagram at a position B in FIG. 3 of a self-positioning high-speed drilling and tapping center and a tool changing coaxial correction method for hub machining according to the present invention;
FIG. 7 is a schematic structural diagram of the cleaning top wool rotating time of the self-positioning high-speed drilling and tapping center and the tool changing coaxial correction method for hub machining.
In the figure: 1. a processing table; 2. a vertical frame; 3. a vertical slide rail; 4. drilling and tapping the assembly; 401. a lifting box; 402. a drive motor; 403. a telescopic rod; 404. square inserting columns; 405. an annular slide rail; 406. a pulley; 407. a micro push rod; 408. a clamping block; 409. a high-definition camera; 410. a rotary spring case; 411. a wire rope; 412. a distance piece; 413. a transmission gear; 414. a rotating shaft; 415. a cutter head; 416. an operation motor; 417. a drive shaft; 418. a cutter head; 5. a self-positioning assembly; 501. an annular cursor laser; 502. connecting a magnetic ring; 503. a circular ring; 504. cleaning wool tops; 505. magnetic particles; 6. a screw rod; 7. a servo motor.
Detailed Description
Referring to fig. 1 to 4, the present invention provides a technical solution: a self-positioning high-speed drilling and tapping center for hub machining comprises a machining table 1 and a drilling and tapping assembly 4, wherein a vertical frame 2 is arranged on one side of the surface of the machining table 1, vertical slide rails 3 are arranged on two sides of the vertical frame 2, the drilling and tapping assembly 4 is connected to the surface of the vertical slide rails 3 in a sliding mode, the drilling and tapping assembly 4 comprises a lifting box 401, a driving motor 402, a telescopic rod 403, a square inserting column 404, an annular slide rail 405, a pulley 406, a micro push rod 407, a fixture block 408, a high-definition camera 409, a rotary spring box 410, a steel wire rope 411, a distance piece 412 and a transmission gear 413, the driving motor 402 is arranged on one side, close to the vertical frame 2, of the lifting box 401, the end portion of the driving motor 402 is connected with the telescopic rod, the other end of the telescopic rod 403 is connected with the square inserting column 404, the annular slide rail 405 is connected to one side, far away from the driving motor 402, inside the lifting box 401, and the pulley 406 is arranged inside the annular slide rail 405, the bottom of the pulley 406 is connected with a micro push rod 407, the bottom of the micro push rod 407 is connected with a fixture block 408, a high-definition camera 409 is arranged above the telescopic rod 403, a rotary spring box 410 is arranged on the outer surface of the annular slide rail 405, a steel wire rope 411 is wound inside the rotary spring box 410, a distance piece 412 is fixed on the surface of the steel wire rope 411, a transmission gear 413 is connected to the outside of the square insertion column 404, a lead screw 6 is sleeved inside one side, close to the vertical frame 2, of the lifting box 401, the top of the lead screw 6 is connected with a servo motor 7, the outer opening structure of the fixture block 408 is matched with the inner opening structure of a tooth socket on the outer surface of the transmission gear 413, the transmission gear 413 is rotatably connected with the lifting box 401, the pulley 406 is fixedly connected with the steel wire rope 411, and the pulley 406 is elastically connected with the rotary spring box 410 through the steel wire rope 411;
the specific operation is as follows, firstly, the telescopic rod 403 is extended out to enable the square insertion column 404 to be inserted into the transmission gear 413, then the driving motor 402 drives the square insertion column 404 to enable the transmission gear 413 to rotate, the included angle between tooth grooves on the surface of the transmission gear 413 is 10 degrees, the number of the rotating tooth grooves is determined through the high-definition camera 409, the included angle between each cutter head 418 is 60 degrees, after the cutter head 418 rotates through the tooth groove of multiple of six or six, the new cutter head 418 is shown to rotate to the position of the old cutter head 418, after the cutter head rotates through the tooth groove of multiple of six or six, the micro push rod 407 is extended out to enable the fixture block 408 to be vertically inserted into the tooth groove, meanwhile, the telescopic rod 403 contracts and retracts the square insertion column 404, and the transmission gear 413 continues to rotate under the centrifugal force to enable the micro push rod 407 to drive the pulley 406 to firstly slide anticlockwise along the inside of the annular sliding rail 405, at this time, the steel wire rope 411 is released due to being pulled, and after the centrifugal force is eliminated, the rotary spring box 410 rebounds to wind the steel wire rope 411 so that the pulley 406 returns to slide and reset along the inside of the annular slide rail 405 until the distance piece 412 is attached to the inner wall of the annular slide rail 405, so that the steel wire rope 411 cannot be wound continuously, at the moment, the new cutter head 418 finishes correction and is inevitably perpendicular to the processing table 1, the centrifugal force generated by rotation of the transmission gear 413 is eliminated in a mode that the pulley 406 slides clockwise firstly and then slides anticlockwise, hard abrasion generated by the transmission gear 413 when the cutter head 418 is in direct angle fixing is avoided, the service life of the drilling tapping center is prolonged, after the cutter head 418 is corrected, the servo motor 7 drives the screw rod 6 to rotate so that the lifting box 401 slides downwards along the surface of the vertical slide rail 3, and the cutter head 418 is close to a hub placed on the surface of the processing table 1 so as to process the cutter head.
Referring to fig. 1 to 4, the drilling and tapping assembly 4 further includes a rotating shaft 414 and a cutter head 415, one end of the rotating shaft 414 away from the transmission gear 413 is connected with the cutter head 415, the drilling and tapping assembly 4 further includes a working motor 416, a driving shaft 417 and a cutter head 418, the working motor 416 is disposed inside the cutter head 415, the end of the working motor 416 is connected with the driving shaft 417, and the end of the driving shaft 417 is connected with the cutter head 418;
specifically, when the transmission gear 413 rotates, the cutter head 415 is carried to rotate through the rotating shaft 414 so that the cutter head 418 can be replaced due to rotation, the cutter head 415 stops rotating after the transmission gear 413 is fixed in angle, namely, the cutter head is clamped in the tooth socket, at the moment, the cutter head 418 is replaced, and after the lifting box 401 descends, the operation motor 416 drives the driving shaft 417 to rotate the cutter head 418 so as to perform drilling and tapping operation on the hub.
Referring to fig. 1, 3, and 5-7, a self-positioning assembly 5 is disposed on an outer side surface of the driving shaft 417, and the self-positioning assembly 5 is used to realize pre-positioning of the tool bit 418, the self-positioning assembly 5 includes an annular cursor laser 501, one end of the annular cursor laser 501 close to the operation motor 416 is fixedly connected to an outer surface of the tool pan 415, an inner surface of the annular cursor laser 501 is parallel to an outer surface of the driving shaft 417, and vertical central axes of the driving shaft 417, the tool bit 418, and the annular cursor laser 501 are located on a central axis;
the operation is as follows specifically, annular cursor laser 501 sends the instruction halo of annular pattern towards the direction that tool bit 418 is faced, instructs the vertical orientation of halo to add 1 surface of platform promptly the wheel hub surface in order to realize waiting to open the self-align of hole site after tool bit 418 is rectified to know wheel hub in advance waits to open the hole position, in order to adjust the wheel hub position, so that accurate high-speed completion drilling, avoid the drilling position to make mistakes.
Referring to fig. 1, fig. 3, and fig. 5-7, the self-positioning assembly 5 further includes a connecting magnetic ring 502, a circular ring 503, a cleaning wool top 504, and magnetic particles 505, the connecting magnetic ring 502 is distributed in parallel at one end of the annular cursor laser 501 away from the cutter head 415, the circular ring 503 is connected to the outer side surface of the connecting magnetic ring 502, the cleaning wool top 504 is sleeved on the surface of the circular ring 503, and the magnetic particles 505 are embedded in the cleaning wool top 504;
specifically, the cutter head 418 is rotated to vertically face the processing table 1, at this time, the cleaning wool tops 504 sag due to gravity and are magnetically adsorbed to the connecting magnetic ring 502 on the outer wall of the driving shaft 417 through the magnetic particles 505, so that gathering of the cleaning wool tops 504 is realized, blocking of the indicating light ring projected by the annular cursor laser 501 is avoided, when the cutter head 418 works, the cleaning wool tops 504 are loosened and adsorbed based on centrifugal force, at this time, the cleaning wool tops 504 are unfolded like flowers, so that the end portion of the annular cursor laser 501 is cleaned to prevent dust and sundries from adhering to block projection of the indicating light ring, and after processing is finished, the cleaning wool tops 504 sag again and are adsorbed to gather under the action of the centrifugal force, so that next operation can be carried out.
A tool changing coaxial correction method of a self-positioning high-speed drilling and tapping center for hub machining comprises the following operation steps:
the method comprises the following steps: the telescopic rod 403 extends out to enable the square insertion column 404 to be inserted into the transmission gear 413, the driving gear 413 is driven by the driving motor 402 to enable the cutter head 415 to rotate, the included angle between tooth grooves on the surface of the transmission gear 413 is 10 degrees, the number of the rotating tooth grooves is determined through the high-definition camera 409, the included angle between each cutter head 418 is 60 degrees, and after the cutter heads rotate by six or multiple of the tooth grooves, the new cutter head 418 is rotated to the position of the old cutter head 418;
step two: after the micro push rod 407 is judged to rotate through six or six times of tooth grooves, the clamping block 408 is vertically inserted into the tooth grooves by extending the micro push rod 407, meanwhile, the telescopic rod 403 is contracted to retract the square inserting column 404, and the transmission gear 413 continues to rotate under the action of centrifugal force, so that the micro push rod 407 drives the pulley 406 to slide along the inside of the annular slide rail 405;
step three: the transmission gear 413 continues to rotate after the power provided by the driving motor 402 is lost, the transmission gear 413 stops rotating after the centrifugal force effect is finished, at the moment, the revolving spring box 410 rebounds and winds the steel wire rope 411 to enable the pulley 406 to return along the inside of the annular slide rail 405 in a sliding mode until the distance piece 412 is attached to the inner wall of the annular slide rail 405 to enable the steel wire rope 411 to be incapable of being wound continuously, and at the moment, a new cutter head 418 is corrected and is necessarily vertically distributed with the machining table 1.
In summary, referring to fig. 1 to 7, when the self-positioning high-speed drilling and tapping center and tool changing coaxial calibration method for hub machining are used, firstly, the telescopic rod 403 extends out to enable the square insertion column 404 to be inserted into the transmission gear 413, then the driving motor 402 drives the square insertion column 404 to enable the transmission gear 413 to rotate, the included angle between tooth sockets on the surface of the transmission gear 413 is 10 degrees, the number of rotating tooth sockets is determined by the high-definition camera 409, the included angle between each tool bit 418 is 60 degrees, and after the tool bits rotate through tooth sockets which are multiples of six or six, the new tool bit 418 is shown to rotate to the position of the old tool bit 418;
after the rotation of the sliding block is determined to be six or six times of the tooth socket, the micro push rod 407 extends out to enable the fixture block 408 to be vertically inserted into the tooth socket, meanwhile, the telescopic rod 403 contracts to retract the square insertion column 404, the transmission gear 413 continues to rotate under the action of centrifugal force to enable the micro push rod 407 to drive the pulley 406 to firstly slide anticlockwise along the interior of the annular slide rail 405, at this time, the steel wire rope 411 is released due to pulling, and after the centrifugal force is eliminated, the rotary spring box 410 rebounds to wind the steel wire rope 411 to enable the pulley 406 to return back to slide along the interior of the annular slide rail 405 to return to the original position until the distance piece 412 is attached to the inner wall of the annular slide rail 405, so that the steel wire rope 411 cannot continue to be wound;
when the transmission gear 413 rotates, the cutter head 415 is carried to rotate through the rotating shaft 414 so that the cutter head 418 can be replaced due to rotation, the cutter head 415 stops rotating after the transmission gear 413 is fixed in angle, namely, the cutter head is clamped in a tooth socket, at the moment, the cutter head 418 is replaced, and after the lifting box 401 descends, the operation motor 416 drives the driving shaft 417 so that the cutter head 418 rotates to drill the hub;
the annular cursor laser 501 emits an annular indicating light ring towards the direction towards which the cutter head 418 faces, and after the cutter head 418 is corrected, the indicating light ring vertically faces the surface of the machining table 1, namely the surface of the hub, so that the self-positioning of a hole to be drilled is realized, the position of the hole to be drilled of the hub is known in advance, the position of the hub is conveniently adjusted, the drilling can be accurately completed at high speed, the error of the drilling position is avoided, and the process is carried out before the cutter head 418 descends;
the cutter head 418 is perpendicular to the processing table 1 due to rotation, at this time, the cleaning wool tops 504 sag due to gravity and are magnetically adsorbed to the connecting magnetic ring 502 on the outer wall of the driving shaft 417 through the magnetic particles 505, so that the collection of the cleaning wool tops 504 is realized, the shielding of the indicating light ring projected by the annular cursor laser 501 is facilitated, when the cutter head 418 works, the cleaning wool tops 504 loose adsorption based on centrifugal force, at this time, the cleaning wool tops 504 spread like flowers so as to clean the end part of the annular cursor laser 501 to prevent dust and sundries from adhering to block the projection of the indicating light ring, and after the processing is finished, the cleaning wool tops 504 sag and are adsorbed to be collected again under the action of losing the centrifugal force, so that the next work is facilitated.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (10)
1. The utility model provides a wheel hub processing is with boring center of attacking from high-speed location, includes processing platform (1) and bores subassembly (4), its characterized in that: the processing table is characterized in that a vertical frame (2) is arranged on one side of the surface of the processing table (1), vertical sliding rails (3) are arranged on two sides of the vertical frame (2), the drilling and tapping assembly (4) is connected to the surface of the vertical sliding rails (3) in a sliding manner, the drilling and tapping assembly (4) comprises a lifting box (401), a driving motor (402), a telescopic rod (403), a square inserting column (404), an annular sliding rail (405), a pulley (406), a micro push rod (407), a fixture block (408), a high-definition camera (409), a rotary spring box (410), a steel wire rope (411), a distance piece (412) and a transmission gear (413), the driving motor (402) is arranged on one side, close to the vertical frame (2), of the lifting box (401), the telescopic rod (403) is connected to the end of the driving motor (402), the square inserting column (404) is connected to the other end of the telescopic rod (403), and the annular sliding rail (405) is connected to one side, far away from the driving motor (402), inside the lifting box (401), and the inside of annular slide rail (405) is provided with coaster (406), the bottom of coaster (406) is connected with miniature push rod (407), and the bottom of miniature push rod (407) is connected with fixture block (408), the top of telescopic link (403) is provided with high definition digtal camera (409), the surface of annular slide rail (405) is provided with revolving spring box (410), and the inside winding of revolving spring box (410) has wire rope (411), wire rope (411) fixed surface has distance piece (412), the external connection of square post (404) has drive gear (413), lead screw (6) have been cup jointed to elevator box (401) one side inside near vertical frame (2), and lead screw (6) top is connected with servo motor (7).
2. The self-positioning high-speed drilling and tapping center for hub machining according to claim 1, wherein: the outer opening structure of the clamping block (408) is matched with the inner opening structure of the tooth groove on the outer surface of the transmission gear (413), and the transmission gear (413) is rotationally connected with the lifting box (401).
3. The self-positioning high-speed drilling and tapping center for hub machining according to claim 1, wherein: the tackle (406) is fixedly connected with the steel wire rope (411), and the tackle (406) is elastically connected with the rotary spring box (410) through the steel wire rope (411).
4. The self-positioning high-speed drilling and tapping center for hub machining according to claim 1, characterized in that: the drilling and tapping assembly (4) further comprises a rotating shaft (414) and a cutter head (415), and one end, away from the transmission gear (413), of the rotating shaft (414) is connected with the cutter head (415).
5. The self-positioning high-speed drilling and tapping center for hub machining according to claim 4, wherein: brill subassembly (4) of attacking still includes operation motor (416), drive shaft (417) and tool bit (418), the inside of blade disc (415) is provided with operation motor (416), the end connection of operation motor (416) has drive shaft (417), and the end connection of drive shaft (417) has tool bit (418).
6. The self-positioning high-speed drilling and tapping center for hub machining according to claim 5, wherein: the outer side surface of the driving shaft (417) is provided with a self-positioning assembly (5), and the self-positioning assembly (5) is used for realizing the pre-positioning of the cutter head (418).
7. The self-positioning high-speed drilling and tapping center for hub machining according to claim 6, characterized in that: the self-positioning assembly (5) comprises an annular cursor laser (501), and one end, close to the operation motor (416), of the annular cursor laser (501) is fixedly connected with the outer surface of the cutter head (415).
8. The self-positioning high-speed drilling and tapping center for hub machining according to claim 7, wherein: the inner surface of the annular cursor laser (501) is parallel to the outer surface of the driving shaft (417), and the vertical central axes of the driving shaft (417), the cutter head (418) and the annular cursor laser (501) are positioned on the same central axis.
9. The self-positioning high-speed drilling and tapping center for hub machining according to claim 7, wherein: the self-positioning assembly (5) further comprises a connecting magnetic ring (502), a circular ring (503), cleaning wool tops (504) and magnetic particles (505), the connecting magnetic ring (502) is distributed at one end, away from the cutter head (415), of the annular cursor laser (501) in parallel, the outer side face of the connecting magnetic ring (502) is connected with the circular ring (503), the cleaning wool tops (504) are sleeved on the surface of the circular ring (503), and the magnetic particles (505) are embedded into the cleaning wool tops (504).
10. The tool changing coaxial correction method for the self-positioning high-speed drilling and tapping center for hub machining according to any one of claims 1 to 9, characterized in that: the method comprises the following operation steps:
the method comprises the following steps: the telescopic rod (403) extends out to enable the square insertion column (404) to be inserted into the transmission gear (413), the driving gear (413) is driven by the driving motor (402) to enable the cutter head (415) to rotate, the included angle between tooth grooves on the surface of the transmission gear (413) is 10 degrees, the number of the rotating tooth grooves is determined through the high-definition camera (409), the included angle between every two cutter heads (418) is 60 degrees, and after the cutter heads rotate through tooth grooves of six or multiple of six, the new cutter head (418) is rotated to the position of the old cutter head (418);
step two: after the fact that the sliding block rotates by six or multiple of six tooth grooves is judged, the micro push rod (407) extends out to enable the clamping block (408) to be vertically inserted into the tooth grooves, meanwhile, the telescopic rod (403) contracts to retract the square inserting column (404), and the transmission gear (413) continues to rotate under the action of centrifugal force to enable the micro push rod (407) to drive the pulley (406) to slide along the interior of the annular sliding rail (405);
step three: the transmission gear (413) continues to rotate after power provided by the driving motor (402) is lost, the transmission gear (413) stops rotating after the centrifugal force effect is finished, at the moment, the rotary spring box (410) rebounds and winds the steel wire rope (411) to enable the pulley (406) to return along the inside of the annular sliding rail (405) in a sliding mode and reset until the distance piece (412) is attached to the inner wall of the annular sliding rail (405) to enable the steel wire rope (411) to continue to be wound, and at the moment, a new cutter head (418) finishes correction and is necessarily vertically distributed with the machining table (1).
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| CN202210330048.3A CN114683045B (en) | 2022-03-30 | 2022-03-30 | Self-positioning high-speed drilling and tapping center for hub machining and tool changing coaxial correction method |
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| Publication number | Publication date |
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| CN114683045B (en) | 2023-04-07 |
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