CN114833378A - Bearing seat ultra-precision drilling machining device with correcting and deviation preventing functions - Google Patents
Bearing seat ultra-precision drilling machining device with correcting and deviation preventing functions Download PDFInfo
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- CN114833378A CN114833378A CN202210745328.0A CN202210745328A CN114833378A CN 114833378 A CN114833378 A CN 114833378A CN 202210745328 A CN202210745328 A CN 202210745328A CN 114833378 A CN114833378 A CN 114833378A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
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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
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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 bearing seat ultra-precision drilling device with a correcting and deviation preventing function, which comprises a base, a clamping device, a deviation correcting device, an adjusting device and a mounting seat, wherein the base is connected with the clamping device, the clamping device is in transmission connection with the deviation correcting device, the deviation correcting device is in transmission contact with the adjusting device, the deviation correcting device is connected with the base, a bracket is arranged between the base and the mounting seat, the mounting seat is positioned at the upper side of the base, the adjusting device is connected with the mounting seat, a forming cavity is arranged on the base, the clamping device comprises a floating plate, the floating plate is movably connected with the forming cavity, two clamping seats are arranged at the upper side of the floating plate, the two clamping seats are positioned at two sides of the bearing seat, the clamping seats are clamped with the bearing seat, the deviation direction of a drilled hole is reset through the deviation correcting device, the drilling precision is improved, the power adjustment is performed through the adjusting device, the drilling quality is improved, ear pieces at the parts to be processed at two sides of the bearing seat are sequentially clamped through the clamping seats, thereby limiting the bearing seat.
Description
Technical Field
The invention relates to the technical field of bearing seat drilling machining, in particular to a bearing seat ultra-precision drilling machining device with a correcting and deviation preventing function.
Background
Along with the continuous development of the machine manufacturing industry, the requirement on the manufacturing accuracy of parts is higher and higher, wherein the bearing is a main supporting component of a rotary part, the use performance of the bearing is ensured in order to install the bearing, the bearing is positioned through the bearing seat, and then the bearing seat is installed at a corresponding supporting position.
The bearing frame drills through drilling equipment in the processing production process, the subsequent installation of the bearing frame of being convenient for, and most of bearing frames are when driling, fix a position through the manual work mostly, place the bearing frame on the support plate to the support plate is the location basis, and the bearing frame can produce a large amount of pieces when driling, in case the clearance is unclean, leads to the bearing frame location unbalance easily, thereby makes the drilling error appear, influences the support performance of bearing.
In addition, when drilling through the drill bit, in order to guarantee cutting efficiency, drill bit hardness is generally greater than drilling rod hardness, when taking place deformation, concentrates on drilling rod department easily, in case the drilling rod produces deformation, can lead to drilling to produce the overcut, can take place the cutter card even when serious, can't revise deformation automatically, causes the bearing frame to scrap.
Disclosure of Invention
The invention aims to provide a bearing seat superfinishing drilling device with a correction deviation prevention function, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a super smart drilling processingequipment of bearing frame with correct anti-bias function, the on-line screen storage device comprises a base, clamping device, deviation correcting device, adjusting device and mount pad, base and clamping device connect, clamping device and deviation correcting device transmission are connected, deviation correcting device and adjusting device transmission contact, deviation correcting device and base are connected, be equipped with the support between base and mount pad, the mount pad is located the base upside, adjusting device and mount pad are connected, be equipped with the shaping chamber on the base, clamping device is including floating the board, floating board and shaping chamber swing joint, the floating board upside is equipped with two holders, two holders are located the bearing frame both sides, holder and bearing frame joint.
Base and mount pad are main installation basis, install each other device, through clamping device to the bearing frame centre gripping, reset through deviation correcting device to the skew direction of drilling, improve the drilling precision, carry out power control through adjusting device, improve the drilling quality, through leg joint between base and the mount pad, the mount pad is located the upside, it is main working space to become the die cavity, install the bearing frame through the floating plate, treat the ear piece at processing position in bearing frame both sides and carry out the centre gripping in proper order through the holder, thereby it is spacing to carry out the bearing frame, prevent to take place the skew in the bearing frame course of working, through floating plate and become die cavity swing joint, be convenient for carry out the micrometric displacement and adjust, carry out automatic balance to bearing frame horizontal direction atress, prevent to cause the overcutting, influence the drilling precision.
Further, the adjusting device comprises a hydraulic cylinder, power motor and drilling rod, pneumatic cylinder frame and mount pad fastening connection, the pneumatic cylinder output is equipped with the transmission seat, power motor frame and transmission seat fastening connection, power motor output and drilling rod transmission connection, the drilling rod bottom is equipped with the drill bit, the drill bit is towards bearing frame ear upside, deviation correcting device includes the direction subassembly, direction subassembly and transmission seat swing joint, the direction subassembly includes the guide arm, be equipped with the guide way on the transmission seat, guide arm and guide way sliding connection, the guide arm lower extreme passes the dead eye in the middle of the bearing frame, be equipped with the spacing groove on the floating plate, guide arm and spacing groove joint, guide arm axis and drilling rod axis are parallel, the guide arm includes base rod and slide bar, be equipped with the mounting groove on the base rod, the slide bar upper end inserts in the mounting groove, be equipped with a plurality of pretension springs along the slide bar axial, pretension spring keeps away from slide bar one side and the wall contact of mounting groove.
The hydraulic cylinder is a workpiece pressing power source, rated displacement is output during working to drive the drill bit to move downwards, the power motor outputs torque, the drill bit is driven to rotate through the drill rod, so that drilling is performed, the hydraulic cylinder is installed through the installation seat, the hydraulic cylinder output end is used for installing the transmission seat, the power motor is fixed through the transmission seat, so that displacement is convenient to output, when drilling is performed, the drill bit faces to ear pieces on two sides of the bearing seat, displacement guiding is performed through the guiding assembly, the guide rod is subjected to sliding guiding through the guiding groove on the transmission seat, the lower end of the guide rod is inserted into the limiting groove on the floating plate, when the drill bit is partially deviated in the drilling process, unbalanced force in the horizontal direction is applied to the bearing seat, so that the bearing seat is driven to displace, automatic cutter relieving is performed, over-cutting is prevented, even cutter clamping is prevented, the sliding rod is driven by the floating plate, so that the sliding rod is driven to slide along with the bearing seat, the slide bar is parallel with the drilling rod axis, through the micrometric displacement adjustment, make slide bar and drilling rod remain parallel throughout, prevent that the drill bit skew from causing local overcutting, influence the machining precision, thereby the dead eye that makes on the dead eye of bearing frame and the ear piece remains relative distance throughout, and make the axis parallel, the base rod passes through the mounting groove and installs pretension spring, it is spacing to carry out circumference through pretension spring to the slide bar, the slide bar can slide along the mounting groove horizontal direction, be convenient for carry out the micrometric displacement adjustment.
Furthermore, the clamping device also comprises a centering assembly, a detection cavity is arranged on the base, the detection cavity is arranged towards one side of the forming cavity through a single-side opening, the centering assembly comprises a magnetic column, a detection coil and an ejector rod, the detection coil is arranged in the detection cavity, the axes of the magnetic column and the detection coil are arranged in a collinear manner, the magnetic column is in transmission connection with the ejector rod, the horizontal central line of the ejector rod is perpendicular to the axis of a drill rod, one side of the ejector rod is in transmission contact with the drill rod, the correcting device also comprises a correcting seat ring and a correcting electric cylinder, a correcting chamber is arranged on the base, the correcting electric cylinder is arranged in the correcting chamber, the output end of the correcting electric cylinder is in transmission connection with the correcting seat ring, the forming cavity cuts the correcting chamber into two sections, the correcting seat ring comprises two semi-sliding rings, the two semi sliding rings are respectively arranged in the two sections of the correcting chamber, the correcting electric cylinder is in transmission connection with the semi sliding rings arranged at the same side of the forming cavity, a gear set is arranged between the two semi sliding rings, and a tooth surface is arranged on the semi sliding ring, the gear set comprises an input gear and an output gear, the tooth surfaces of the input gear and the output gear are meshed, the input gear and the output gear are meshed with adjacent tooth surfaces, the two half sliding rings are in transmission connection through the gear set, the two half sliding rings are respectively arranged on two sides of the drill rod, the half sliding rings are provided with correction grooves, and the correction grooves face the outer side of the drill rod.
The axial line of a drill rod is detected through a centering assembly, when drilling is carried out, particularly when a deep hole is drilled, the drill rod is long in length, deformation is easy to occur under the action of horizontal lateral force, the axial line of the drill rod is monitored in real time through the centering assembly, the deviation-preventing efficiency of drilling correction is improved, the centering assembly is installed through a detection cavity, an ejector rod is arranged in a step shape, the ejector rod is guided in a sliding mode through the detection cavity, one end of the ejector rod is in contact with the surface of the drill rod, when the drill rod is locally deformed, the ejector rod is bent, the other end of the ejector rod is in transmission with a magnetic column to drive the magnetic column to move axially along a detection coil, the detection coil performs cutting magnetic induction linear motion on the magnetic column, induction current is generated on the detection coil, a deviation-correcting electric cylinder is a main power source, the deviation-correcting seat ring is driven to move through output displacement, so that the deformation of the drill rod is automatically corrected, and the deviation-correcting electric cylinder and the correcting seat ring are installed through a correction chamber, the correcting electric cylinder drives the half slip rings on the same side to move so as to output displacement, the two half slip rings are respectively meshed with the tooth surfaces of the input gear and the output gear through gear set transmission, transmission and clamping precision is improved, the two half slip rings are moved in a centering mode, the final moving position of the axis of the correcting groove is the axis of a drill rod, forced extrusion correction is conducted on the bending position of the drill rod through the two half slip rings, the hydraulic cylinder drives the drill rod to move in the vertical direction in the correcting process, the deformation position is automatically located, the power motor continuously inputs torque, auxiliary correction is conducted on bending deformation, and drilling precision is improved.
Furthermore, the two semi-slip rings are arranged in a staggered mode along the spatial position, an adjusting spring is arranged on one side of the ejector rod, the ejector rod is far away from the adjusting spring, and the detecting coil and the deviation rectifying electric cylinder are electrically connected to form an adjusting circuit.
Through half sliding ring along spatial position staggered arrangement, make half sliding ring centering in-process that slides, detect longer drilling rod length simultaneously, improve detection efficiency, apply the moment of torsion to the drilling rod through two half sliding rings, improve the efficiency that resets, reset through regulating spring, the improvement lasts the detection precision, the current value size and the local deformation volume of drilling rod that produce on the detection coil are positive correlation, through detecting the coil and rectifying electric jar electricity even, thereby control the electric jar output displacement of rectifying, be convenient for carry out small deformation compensation, it removes along vertical direction to drive the drilling rod through the pneumatic cylinder, improve repair efficiency.
Further, deviation correcting device is still including dividing the commentaries on classics motor, is equipped with the joint groove on the slide bar, divides the commentaries on classics motor to arrange the joint inslot in, divides the commentaries on classics motor output to be equipped with and divides the carousel, is equipped with a plurality of joint pieces along circumference on dividing the carousel, and the joint groove is equipped with a plurality of openings towards the dead eye, joint piece and joint groove opening wall sliding connection, joint piece and dead eye transmission contact.
Carry out the torque input through dividing the motor, it rotates to drive the branch carousel, thereby the joint piece that drives circumference and arrange slides in minute carousel surface, lead to the joint piece through the joint groove, make the joint piece slide along joint groove opening, and with the dead eye contact, the butt is on the dead eye inside wall, thereby carry out the self-adaptation centre gripping according to the dead eye of different diameters, the improvement clamping practicality, the joint piece has great thickness, it is spacing to make the contact position carry out vertical direction to the dead eye, spacing groove on the supplementary floating plate carries out auxiliary transmission, prevent that dead eye and drilling axis from taking place relative slip, influence drilling precision.
Further, adjusting device still includes pressure release magnet and electro-magnet, is equipped with the pressure release runner on the transmission seat, and pressure release runner import and pneumatic cylinder output switch on, and pressure release runner middle section is equipped with the groove of opening and close, and pressure release magnet and electro-magnet are arranged in respectively and are opened and close the groove both ends, and pressure release magnet and open and close groove sliding connection, detection coil and electro-magnet electricity are even.
The output of the last pressure release runner of transmission seat and pneumatic cylinder switches on, cut the pressure release runner through opening and close the groove, carry out on-off control through pressure release magnet and electro-magnet, pressure release runner is ended on the pressure release magnet under the initial condition, when deformation takes place for the drilling rod, produce induced-current on the detection coil, through the electricity even, make electro-magnet and pressure release magnet personally submit the same name magnetic pole in opposite directions, under the effect of magnetic pole repulsion, make pressure release magnet along opening and close the groove slip, thereby make the pressure release runner switch on, pneumatic cylinder output rated pressure, make the drilling rod move down, at the in-process of rectifying, the hydraulic oil that makes stepping up in the pneumatic cylinder carries out the pressure release through the pressure release runner is automatic, thereby make and carry out the pressurize in the pneumatic cylinder, make the pneumatic cylinder no longer drive the drill bit and move down, prevent the deformation increase, improve the efficiency of rectifying.
As optimization, the opening and closing groove is obliquely arranged. Through the slope arrangement, after rectifying the completion, the ejector pin resets under the regulating spring effect, produces reverse current on the detection coil, and electro-magnet and pressure release magnet facies are the synonym magnetic pole, produce magnetic pole suction, make pressure release magnet under dead weight and magnetic pole suction bidirectional action, move to the electro-magnet to make the pressure release runner cut off again, improve the compensation break-make slope.
Preferably, the transmission groove is arranged in an arc shape, and the diameter of the transmission groove is equal to that of the drill rod. The transmission groove is arranged through the arc and improves transmission efficiency, and the maximum radian of the transmission groove is semicircular, and is arranged through the diameter, so that the deformation quantity of the drill rod and the transmission groove can be subjected to multidirectional transmission, the drill rod is bent and deviated to be smaller than the rotation interval of the semicircle, the detection time is shortened, and the detection sensitivity is improved.
And optimally, the inlet end of the correction groove is provided with a transition cambered surface. The excessive cambered surface is positioned at the inlet end of the correction groove, when correction is carried out, the power motor drives the drill rod to rotate, and due to the arc arrangement, rubbing and even clamping of the deformed and offset part of the drill rod are prevented, and the correction smoothness is improved.
Compared with the prior art, the invention has the following beneficial effects: when a drill bit is locally deviated in the drilling process, unbalanced force in the horizontal direction is applied to a bearing seat, so that the bearing seat is driven to displace, automatic cutter relieving is carried out, over-cutting or even cutter clamping is prevented, the sliding rod is driven to slide along with the bearing seat through the transmission of a floating plate, the axes of the sliding rod and a drill rod are parallel, the sliding rod and the drill rod are always kept parallel through micro-displacement adjustment, the drill bit is prevented from being deviated to cause local over-cutting and influence on the machining precision, and therefore a bearing hole of the bearing seat and a machining hole on an ear piece are always kept at a relative distance and the axes are parallel; when a horizontal lateral force is applied, the drill rod is easy to deform, the axis of the drill rod is monitored in real time through the centering assembly, the correcting and deviation-preventing efficiency of drilling is improved, when the drill rod is locally deformed, the drill rod is bent, the other end of the ejector rod is in transmission with the magnetic column to drive the magnetic column to axially move along the detection coil, the detection coil performs cutting magnetic induction linear motion on the magnetic column, induction current is generated on the detection coil, the hydraulic cylinder drives the drill rod to move in the vertical direction in the correcting process, the deformation position is automatically positioned, and the power motor continuously inputs torque, so that the bending deformation variable is subjected to auxiliary correction, and the drilling precision is improved; when the drilling rod takes place deformation, induced-current produces on the detection coil, through the electricity even, the homopolar magnetic pole is personally submitted in the opposite direction of messenger's electro-magnet and pressure release magnet, under the magnetic pole repulsion effect, make pressure release magnet slide along opening and close the groove, thereby make the pressure release runner switch on, the pneumatic cylinder outputs rated pressure, make the drilling rod move down, at the in-process of rectifying, the hydraulic oil that makes the interior pressure boost of pneumatic cylinder carries out the pressure release through the pressure release runner is automatic, thereby carry out the pressurize in the messenger's pneumatic cylinder, make the pneumatic cylinder no longer drive the drill bit and move down, prevent the deformation increase, improve the efficiency of rectifying.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of the general structure of the present invention;
FIG. 2 is a schematic diagram of the rectification of the present invention;
FIG. 3 is a cross-sectional view of the base, mount of the present invention;
FIG. 4 is an enlarged view of portion B of the view of FIG. 3;
FIG. 5 is a sectional view taken along line H-H of the view of FIG. 2;
FIG. 6 is an enlarged view of portion A of the view of FIG. 3;
FIG. 7 is an enlarged view of portion E of the view of FIG. 5;
FIG. 8 is an enlarged view of portion C of the view of FIG. 3;
FIG. 9 is an enlarged view of a portion D of the view of FIG. 3;
in the figure: 1-base, 11-forming cavity, 12-correcting chamber, 13-detecting cavity, 2-clamping device, 21-floating plate, 22-centering component, 221-magnetic column, 222-detecting coil, 223-ejector rod, 2231-transmission groove, 224-adjusting spring, 23-clamping seat, 3-correcting device, 31-correcting seat ring, 311-semi-slip ring, 3111-correcting groove, 3112-transition arc surface, 32-guiding component, 321-guide rod, 3211-base rod, 3212-sliding rod, 32121-clamping groove, 322-sub-rotating disc, 323-clamping block, 324-pre-tightening spring, 33-gear set, 34-correcting electric cylinder, 35-sub-rotating motor, 4-adjusting device, 41-hydraulic cylinder, 42-power motor, 43-pressure relief magnet, 44-electromagnet, 45-drill rod, 5-transmission seat, 51-guide groove, 52-opening and closing groove, 53-pressure relief flow channel and 6-mounting seat.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides the technical scheme that:
as shown in fig. 1-9, a bearing frame ultra-precision drilling processingequipment with correct anti-deviation function, including base 1, clamping device 2, deviation correcting device 3, adjusting device 4 and mount pad 6, base 1 and clamping device 2 are connected, clamping device 2 and 3 transmission connection of deviation correcting device, deviation correcting device 3 and 4 transmission contact of adjusting device, deviation correcting device 3 and base 1 are connected, be equipped with the support between base 1 and mount pad 6, mount pad 6 is located the 1 upside of base, adjusting device 4 and mount pad 6 are connected, be equipped with shaping chamber 11 on the base 1, clamping device 2 is including floating plate 21, floating plate 21 and shaping chamber 11 swing joint, floating plate 21 upside is equipped with two holders 23, two holders 23 are located the bearing frame both sides, holder 23 and bearing frame joint.
As shown in fig. 1 to 4, the adjusting device 4 includes a hydraulic cylinder 41, a power motor 42 and a drill rod 45, an outer frame of the hydraulic cylinder 41 is fastened to a mounting seat 6, an output end of the hydraulic cylinder 41 is provided with a transmission seat 5, the outer frame of the power motor 42 is fastened to the transmission seat 5, an output end of the power motor 42 is connected to the drill rod 45 in a transmission manner, a drill bit is arranged at a bottom end of the drill rod 45 and faces to an upper side of a lug of the bearing seat, the deviation correcting device 3 includes a guide assembly 32, the guide assembly 32 is movably connected to the transmission seat 5, the guide assembly 32 includes a guide rod 321, the transmission seat 5 is provided with a guide groove 53, the guide rod 321 is connected to the guide groove 53 in a sliding manner, a lower end of the guide rod 321 passes through a bearing hole in the middle of the bearing seat, the floating plate 21 is provided with a limit groove, the guide rod 321 is clamped to the limit groove, an axis of the guide rod 321 is parallel to an axis of the drill rod 45, the guide rod includes a base rod 3211 and a sliding rod 3212, the base rod 3211 is provided with a mounting groove, an upper end of the sliding rod 3212 is inserted into the mounting groove, a plurality of pre-tightening springs 324 are axially arranged along the sliding rod 3212, and one side of each pre-tightening spring 324, which is far away from the sliding rod 3212, is in contact with the wall surface of the mounting groove.
The hydraulic cylinder 41 is a workpiece downward-pressing power source, rated displacement is output during working to drive the drill bit to move downwards, the power motor 42 outputs torque, the drill bit is moved to rotate through the drill rod 45, so that drilling is performed, the hydraulic cylinder 41 is installed through the installation seat 6, the output end of the hydraulic cylinder 41 is installed on the transmission seat 5, the power motor 42 is fixed through the transmission seat 5, so that displacement is output conveniently, during drilling, the drill bit faces to ear pieces on two sides of the bearing seat and is subjected to displacement guide through the guide assembly 32, the guide rod 321 is subjected to sliding guide through the guide groove 51 on the transmission seat 5, the lower end of the guide rod 321 is inserted into the limiting groove on the floating plate 21, when the drill bit is locally deviated in the drilling process, non-balance force in the horizontal direction is applied to the bearing seat, so that the bearing seat is driven to displace, automatic cutter relieving is performed, over-cutting is prevented, even the cutter is clamped, and transmission is performed through the floating plate 21, thereby drive slide bar 3212 and slide along with the bearing frame, slide bar 3212 and drilling rod 45 axis are parallel, through the micrometric displacement adjustment, make slide bar 3212 and drilling rod 45 remain parallel throughout, prevent that the drill bit skew from causing local overcut, influence the machining precision, thereby make the dead eye of bearing frame and the processing hole on the ear remain relative distance throughout, and make the axis parallel, base rod 3211 installs pretension spring 324 through the mounting groove, it is spacing to carry out circumference through pretension spring 324 to slide bar 3212, slide bar 3212 can slide along the mounting groove horizontal direction, be convenient for carry out the micrometric displacement adjustment.
As shown in fig. 2 to 6, the clamping device 2 further includes a centering assembly 22, the base 1 is provided with a detection cavity 13, the detection cavity 13 is provided with a single-side opening facing one side of the forming cavity 11, the centering assembly 22 includes a magnetic column 221, a detection coil 222 and an ejector rod 223, the detection coil 222 is disposed in the detection cavity 13, the axes of the magnetic column 221 and the detection coil 222 are arranged in a collinear manner, the magnetic column 221 and the ejector rod 223 are in transmission connection, the horizontal central line of the ejector rod 223 is perpendicular to the axis of the drill rod 45, one side of the ejector rod 223 is in transmission contact with the drill rod 45, the correcting device 3 further includes a correcting seat ring 31 and a correcting electric cylinder 34, the base 1 is provided with a correcting chamber 12, the correcting electric cylinder 34 is disposed in the correcting chamber 12, the output end of the correcting electric cylinder 34 is in transmission connection with the correcting seat ring 31, the forming cavity 11 cuts the correcting chamber 12 into two sections, the correcting seat ring 31 includes two half slide rings 311, the two half slide rings 311 are disposed in the two sections of the correcting chamber 12 respectively, the deviation rectifying electric cylinder 34 is in transmission connection with the half sliding rings 311 arranged on the same side of the molding cavity 11, a gear set 33 is arranged between the two half sliding rings 311, tooth surfaces are arranged on the half sliding rings 311, the gear set 33 comprises an input gear and an output gear, the tooth surfaces of the input gear and the output gear are meshed, the input gear and the output gear are meshed with the adjacent tooth surfaces, the two half sliding rings 311 are in transmission connection through the gear set 33, the two half sliding rings 311 are respectively arranged on two sides of the drill rod 45, the half sliding rings 311 are provided with correcting grooves 3111, and the correcting grooves 3111 face the outer side of the drill rod 45.
The axis of the drill rod 45 is detected through the centering assembly 22, when drilling is carried out, particularly deep holes are formed, the drill rod 45 is long, when horizontal lateral force is applied, the drill rod 45 is easy to deform, the axis of the drill rod is monitored in real time through the centering assembly 22, the deviation correcting and preventing efficiency of drilling is improved, the centering assembly 22 is installed through the detection cavity 13, the ejector rod 223 is arranged in a step mode, the ejector rod 223 is guided in a sliding mode through the detection cavity 13, one end of the ejector rod 223 is in surface contact with the drill rod 45, when the drill rod 45 is locally deformed, the drill rod is bent, the other end of the ejector rod 223 is in transmission with the magnetic column 221, the magnetic column 221 is driven to move axially along the detection coil 222, the detection coil 222 performs cutting magnetic induction linear motion on the magnetic column 221, induction current is generated on the detection coil, the deviation correcting electric cylinder 34 is a main deviation correcting power source, the correcting seat ring 31 is driven to move through output displacement, and therefore the deformation of the drill rod 45 is automatically corrected, the correction electric cylinder 34 and the correction seat ring 31 are installed through the correction chamber 12, the correction electric cylinder 34 drives the half slip rings 311 on the same side to move, so that displacement is output, the two half slip rings 311 are driven through the gear set 33 and are respectively meshed with the tooth surfaces of the input gear and the output gear, the transmission and clamping precision is improved, so that the two half slip rings 311 move in a centering mode, the final moving position of the axis of the correction groove 3111 is the axis of the drill rod 45, forced extrusion correction is conducted on the bending position of the drill rod 45 through the two half slip rings 311, the hydraulic cylinder 41 drives the drill rod 45 to move in the vertical direction in the correction process, the deformation position is automatically located, the power motor 42 continuously inputs torque, auxiliary correction is conducted on bending variables, and the drilling precision is improved.
As shown in fig. 2 and 6, the two half slip rings 311 are arranged in a staggered manner along the spatial position, an adjusting spring 224 is arranged on one side of the push rod 223, the adjusting spring 224 is far away from the push rod 223, and the detection coil 222 and the deviation rectifying electric cylinder 34 are electrically connected to form an adjusting circuit.
Through half sliding ring 311 along spatial position staggered arrangement, make half sliding ring 311 centering in-process that slides, detect longer drilling rod 45 length simultaneously, improve detection efficiency, apply the moment of torsion to drilling rod 45 through two half sliding rings 311, improve efficiency of resetting, reset ejector pin 223 through regulating spring 224, the improvement lasts the detection precision, the current value size and the drilling rod local deformation volume that produce on the detection coil 222 are positive correlation, it is even with the electric jar 34 electricity of rectifying a deviation through detection coil 222, thereby control the electric jar 34 output displacement of rectifying a deviation, be convenient for carry out small deformation compensation, it removes along vertical direction to drive drilling rod 45 through pneumatic cylinder 41, improve repair efficiency.
As shown in fig. 3 and 8, the deviation correcting device 3 further includes a transfer motor 35, a sliding rod 3212 is provided with a clamping groove 32121, the transfer motor 35 is disposed in the clamping groove 32121, an output end of the transfer motor 35 is provided with a transfer disc 322, the transfer disc 322 is circumferentially provided with a plurality of clamping blocks 323, the clamping groove 32121 is provided with a plurality of openings toward the bearing hole, the clamping blocks 323 are slidably connected with an opening wall surface of the clamping groove 32121, and the clamping blocks 323 are in transmission contact with the bearing hole.
Carry out the torque input through dividing motor 35, it rotates to drive branch carousel 322, thereby it slides on minute carousel 322 surface to drive joint piece 323 that circumference was arranged, lead to joint piece 323 through joint groove 32121, make joint piece 323 slide along joint groove 32121 opening, and with the dead eye contact, the butt is on the dead eye inside wall, thereby carry out the self-adaptation centre gripping according to the dead eye of different diameters, improve the clamping practicality, joint piece 323 has great thickness, it is spacing to make the contact position carry out vertical direction to the dead eye, spacing groove on the supplementary floating plate 21 carries out auxiliary drive, prevent that dead eye and drilling axis from taking place relative slip, influence drilling precision.
As shown in fig. 6 and 9, the adjusting device 4 further includes a pressure relief magnet 43 and an electromagnet 44, a pressure relief flow channel 53 is provided on the transmission seat 5, an inlet of the pressure relief flow channel 53 is communicated with an output end of the hydraulic cylinder 41, an opening/closing groove 52 is provided in a middle section of the pressure relief flow channel 53, the pressure relief magnet 43 and the electromagnet 44 are respectively disposed at two ends of the opening/closing groove 52, the pressure relief magnet 43 is slidably connected with the opening/closing groove 52, and the detection coil 222 is electrically connected with the electromagnet 44.
The pressure relief runner 53 on the transmission seat 5 is conducted with the output end of the hydraulic cylinder 41, the pressure relief runner 53 is cut off through the opening and closing groove 52, on-off control is carried out through the pressure relief magnet 43 and the electromagnet 44, the pressure relief runner 53 on the pressure relief magnet 43 is cut off in the initial state, when the drill rod 45 deforms, induced current is generated on the detection coil 222, through electric connection, the opposite sides of the electromagnet 44 and the pressure relief magnet 43 are made to be of the same magnetic pole, under the action of magnetic pole repulsion, the pressure relief magnet 43 slides along the opening and closing groove 52, the pressure relief runner 53 is conducted, the hydraulic cylinder 41 outputs rated pressure, the drill rod 45 moves downwards, in the deviation correction process, hydraulic oil boosted in the hydraulic cylinder 41 is automatically decompressed through the pressure relief runner 53, pressure maintaining is carried out in the hydraulic cylinder 41, the hydraulic cylinder 41 does not drive the drill bit to move downwards, deformation increase is prevented, and the deviation correction efficiency is improved.
Preferably, the open/close groove 52 is arranged obliquely. Through the inclined arrangement, after the deviation rectification is completed, the ejector rod 223 resets under the action of the adjusting spring 224, reverse current is generated on the detection coil 222, the opposite surfaces of the electromagnet 44 and the pressure relief magnet 43 are unlike magnetic poles, magnetic pole suction is generated, the pressure relief magnet 43 moves towards the electromagnet 44 under the bidirectional action of self weight and the magnetic pole suction, and therefore the pressure relief flow channel 53 is cut off again, and the compensation on-off slope is improved.
Preferably, the driving grooves 2231 are arranged in an arc shape, and the diameter of the driving grooves 2231 is equal to that of the drill rod 45. The transmission efficiency is improved through the arc arrangement to the drive groove 2231, and the maximum of drive groove 2231 radian is semicircle, equals the setting through the diameter, makes drilling rod 45 deformation volume and drive groove 2231 can carry out multidirectional transmission, makes drilling rod 45 bend the skew and is less than the rotation interval of semicircle, reduces check-out time to improve detectivity.
As an optimization, the inlet end of the correction groove 3111 is provided with a transition arc 3112. The transition cambered surface 3112 is positioned at an inlet end of the correction groove 3111, when correction is performed, the power motor 42 drives the drill rod 45 to rotate, and due to the arc-shaped arrangement, scratch and even position clamping of a deformed and offset part of the drill rod 45 are prevented, and the correction smoothness is improved.
The working principle of the invention is as follows: when a drill bit is locally deviated in the drilling process, unbalanced force in the horizontal direction is applied to a bearing seat, so that the bearing seat is driven to displace, automatic cutter relieving is performed, over-cutting or even cutter clamping is prevented, the floating plate 21 is used for transmission, so that the sliding rod 3212 is driven to slide along with the bearing seat, the axial lines of the sliding rod 3212 and the drilling rod 45 are parallel, the sliding rod 3212 and the drilling rod 45 are always kept parallel through micro-displacement adjustment, the drill bit is prevented from being deviated to cause local over-cutting, the machining precision is influenced, and the bearing hole of the bearing seat and the machining hole on the ear piece are always kept at a relative distance and the axial lines are parallel; when horizontal lateral force is applied, the drill rod 45 is easy to deform, the axis of the drill rod is monitored in real time through the centering assembly 22, the drilling correction deviation prevention efficiency is improved, when the drill rod 45 is locally deformed, the drill rod is bent, the other end of the ejector rod 223 is in transmission with the magnetic column 221 to drive the magnetic column 221 to axially move along the detection coil 222, the detection coil 222 performs cutting magnetic induction line movement on the magnetic column 221, induction current is generated on the detection coil, the hydraulic cylinder 41 drives the drill rod 45 to move in the vertical direction in the correction process, the deformation position is automatically located, and the power motor 42 continuously inputs torque, so that the bending variable is subjected to auxiliary correction, and the drilling precision is improved; when the drill rod 45 is deformed, an induced current is generated on the detection coil 222, the opposite surfaces of the electromagnet 44 and the pressure relief magnet 43 are provided with the same magnetic poles through electric connection, the pressure relief magnet 43 slides along the opening and closing groove 52 under the action of magnetic pole repulsion force, so that the pressure relief flow passage 53 is conducted, the hydraulic cylinder 41 outputs rated pressure, the drill rod 45 moves downwards, hydraulic oil boosted in the hydraulic cylinder 41 is automatically decompressed through the pressure relief flow passage 53 in the deviation rectification process, pressure maintaining is carried out in the hydraulic cylinder 41, the hydraulic cylinder 41 does not drive the drill bit to move downwards, deformation increase is prevented, and the deviation rectification efficiency is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a bearing frame superfinishing drilling processingequipment with correct deviation prevention function which characterized in that: the bearing seat ultra-precision drilling device comprises a base (1), a clamping device (2), a deviation correcting device (3), an adjusting device (4) and a mounting seat (6), wherein the base (1) is connected with the clamping device (2), the clamping device (2) is in transmission connection with the deviation correcting device (3), the deviation correcting device (3) is in transmission contact with the adjusting device (4), the deviation correcting device (3) is connected with the base (1), a support is arranged between the base (1) and the mounting seat (6), the mounting seat (6) is positioned on the upper side of the base (1), the adjusting device (4) is connected with the mounting seat (6), a forming cavity (11) is arranged on the base (1), the clamping device (2) comprises a floating plate (21), the floating plate (21) is movably connected with the forming cavity (11), two clamping seats (23) are arranged on the upper side of the floating plate (21), the two clamping seats (23) are located on two sides of the bearing seat, and the clamping seats (23) are clamped with the bearing seat.
2. The bearing seat superfinishing and drilling device with the correction and deviation-prevention function according to claim 1, wherein: adjusting device (4) includes pneumatic cylinder (41), motor (42) and drilling rod (45), pneumatic cylinder (41) frame and mount pad (6) fastening connection, and pneumatic cylinder (41) output is equipped with transmission seat (5), motor (42) frame and transmission seat (5) fastening connection, motor (42) output and drilling rod (45) transmission connection, drilling rod (45) bottom is equipped with the drill bit, the drill bit is towards bearing frame ear upside, deviation correcting device (3) includes guide component (32), guide component (32) and transmission seat (5) swing joint, guide component (32) include guide arm (321), be equipped with guide way (53) on transmission seat (5), guide arm (321) and guide way (53) sliding connection, guide arm (321) lower extreme passes the dead eye in the middle of the bearing frame, the floating plate (21) is provided with a limiting groove, the guide rod (321) is clamped with the limiting groove, the axis of the guide rod (321) is parallel to that of the drill rod (45), the guide rod (321) comprises a base rod (3211) and a sliding rod (3212), the base rod (3211) is provided with a mounting groove, the upper end of the sliding rod (3212) is inserted into the mounting groove, a plurality of pre-tightening springs (324) are axially arranged along the sliding rod (3212), and one side, away from the sliding rod (3212), of each pre-tightening spring (324) is in contact with the wall surface of the mounting groove.
3. The bearing seat superfinishing and drilling device with the correction and deviation prevention function according to claim 2, wherein: the clamping device (2) further comprises a centering assembly (22), the base (1) is provided with a detection cavity (13), the detection cavity (13) is arranged towards one side of the molding cavity (11) and is provided with a unilateral opening, the centering assembly (22) comprises a magnetic column (221), a detection coil (222) and an ejector rod (223), the detection coil (222) is arranged in the detection cavity (13), the magnetic column (221) and the detection coil (222) are arranged in a collinear mode, the magnetic column (221) is in transmission connection with the ejector rod (223), the ejector rod (223) is perpendicular to the horizontal center line of the detection coil (223) and the ejector rod (45) in transmission contact, the horizontal center line of the detection coil (223) of the detection coil (1), the horizontal center line of the detection coil (1), the horizontal center line of the detection coil (1), the detection coil (1) of the detection coil (1), the detection coil (31), the detection coil (1) of the detection coil (1), the detection coil (1) and the detection coil (1) are in transmission contact, the detection coil (31), the detection coil (1), the detection coil (22), the detection coil (1), the detection coil (22) of the detection coil (31), and the detection coil (31) of the detection coil (22) of the detection coil (1), the, the forming cavity (11) cuts the correcting chamber (12) into two sections, the correcting seat ring (31) comprises two half sliding rings (311), the two half sliding rings (311) are respectively arranged in the two sections of cavities of the correcting chamber (12), the deviation rectifying electric cylinder (34) is in transmission connection with a half sliding ring (311) arranged on the same side of the molding cavity (11), a gear set (33) is arranged between the two half sliding rings (311), the semi-slip ring (311) is provided with a tooth surface, the gear set (33) comprises an input gear and an output gear, the input gear and the output gear are meshed with each other, the input gear and the output gear are meshed with adjacent gear faces, the two semi-slip rings (311) are in transmission connection through a gear set (33), the two semi-slip rings (311) are respectively arranged on two sides of the drill rod (45), and a correction groove (3111) is formed in the half sliding ring (311), and the correction groove (3111) faces the outer side of the drill rod (45).
4. The bearing seat superfinishing and drilling device with the correction and deviation-prevention function according to claim 3, wherein: the two semi-slip rings (311) are arranged in a staggered mode along the spatial position, an adjusting spring (224) is arranged on one side of the ejector rod (223), the adjusting spring (224) is far away from the ejector rod (223), and the detection coil (222) and the deviation rectifying electric cylinder (34) are electrically connected to form an adjusting circuit.
5. The bearing seat superfinishing and drilling device with the correction and deviation-prevention function according to claim 4, wherein: the deviation correcting device (3) further comprises a transfer motor (35), a clamping groove (32121) is formed in the sliding rod (3212), the transfer motor (35) is arranged in the clamping groove (32121), a transfer turntable (322) is arranged at the output end of the transfer motor (35), a plurality of clamping blocks (323) are arranged on the transfer turntable (322) along the circumferential direction, a plurality of openings are formed in the clamping groove (32121) towards the bearing holes, the clamping blocks (323) are connected with the clamping groove (32121) in a sliding mode through the opening wall face, and the clamping blocks (323) are in transmission contact with the bearing holes.
6. The bearing seat superfinishing and drilling device with the correction and deviation-prevention function according to claim 5, wherein: adjusting device (4) still include pressure release magnet (43) and electro-magnet (44), be equipped with pressure release runner (53) on transmission seat (5), pressure release runner (53) import and pneumatic cylinder (41) output switch on, and pressure release runner (53) middle section is equipped with opens and close groove (52), open and close groove (52) both ends are arranged respectively in pressure release magnet (43) and electro-magnet (44), pressure release magnet (43) with open and close groove (52) sliding connection, detect coil (222) and electro-magnet (44) electricity and link.
7. The bearing seat superfinishing and drilling device with the correction and deviation-prevention function according to claim 6, wherein: the opening and closing groove (52) is arranged obliquely.
8. The bearing seat superfinishing and drilling device with the correction and deviation-prevention function according to claim 7, wherein: the transmission groove (2231) is arranged in an arc shape, and the diameter of the transmission groove (2231) is equal to that of the drill rod (45).
9. The bearing seat superfinishing and drilling device with the correction and deviation-prevention function according to claim 8, wherein: the inlet end of the correcting groove (3111) is provided with a transition cambered surface (3112).
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| CN202210745328.0A CN114833378A (en) | 2022-06-29 | 2022-06-29 | Bearing seat ultra-precision drilling machining device with correcting and deviation preventing functions |
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| CN202210745328.0A CN114833378A (en) | 2022-06-29 | 2022-06-29 | Bearing seat ultra-precision drilling machining device with correcting and deviation preventing functions |
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Cited By (1)
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Application publication date: 20220802 |