CN109648149B - Device and method for enabling thickness of retainer locking claw to be consistent in machining - Google Patents

Device and method for enabling thickness of retainer locking claw to be consistent in machining Download PDF

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Publication number
CN109648149B
CN109648149B CN201811552517.6A CN201811552517A CN109648149B CN 109648149 B CN109648149 B CN 109648149B CN 201811552517 A CN201811552517 A CN 201811552517A CN 109648149 B CN109648149 B CN 109648149B
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mechanical arm
retainer
control motor
cutter
locking claw
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CN109648149A (en
Inventor
范红伟
艾青牧
刘森
刁庆
闫国斌
寇思源
冯小川
杜翔
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AVIC Harbin Bearing Co Ltd
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AVIC Harbin Bearing Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
    • 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
    • B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
    • B23Q15/20—Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
    • B23Q15/22—Control or regulation of position of tool or workpiece
    • 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
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/22—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
    • 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
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22—Feeding members carrying tools or work
    • B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
    • B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
    • B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
    • B23Q5/404—Screw bearings therefor

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automatic Assembly (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

A device and a method for enabling thickness processing of a retainer locking claw to be consistent relate to the technical field of bearing structure processing, and aim to solve the problem that the thicknesses of two sides of partial locking claws in 12 pairs of locking claws of a single processed retainer are inconsistent when a cutter and the retainer locking claw are manually aligned. The invention is suitable for centering and positioning the cutter and the retainer locking claw and ensures that the thicknesses of two sides of the machined retainer locking claw are consistent.

Description

Device and method for enabling thickness of retainer locking claw to be consistent in machining
Technical Field
The invention relates to the technical field of bearing structure processing.
Background
The rolling bearing generally comprises four parts, namely an inner ring, an outer ring, a rolling body and a retainer, wherein the inner ring is used for being matched with a shaft and rotating together with the shaft; the outer ring is matched with the bearing seat to play a supporting role; the rolling bodies are uniformly distributed between the inner ring and the outer ring by means of the locking claws of the retainer, and the shape, size and number of the rolling bodies directly influence the service performance and service life of the rolling bearing; the locking claws of the retainer can uniformly distribute the rolling bodies, prevent the rolling bodies from falling off and guide the rolling bodies to rotate to play a role in lubrication.
At present, in the process of machining a bearing retainer, a cutter is generally required to be manually aligned with the center of a retainer locking claw, and the retainer locking claw is machined after the alignment is finished. Due to the fact that the center of the cutter and the center of the locking claw of the retainer are inconsistent due to human factors, the situation that the thickness of two sides of part of the locking claws is inconsistent in the size of 12 pairs of locking claws of a single retainer is caused, the situation that a rolling body falls off or the rolling body interferes with two sides of the locking claw occurs in the process of bearing sleeve combination, the maximum thickness difference of the two sides of the locking claw is not less than 0.45mm through actual measurement, and the qualified rate of the bearing after sleeve combination is only 40% -50%.
Disclosure of Invention
The invention provides a device and a method for enabling thickness of a locking claw of a retainer to be consistent in order to solve the problem that thickness of two sides of part of 12 pairs of locking claws of a single retainer processed by manually aligning the center of a cutter and the center of the locking claw of the retainer is inconsistent.
The device for enabling the thickness of the locking claw of the retainer to be consistent in machining comprises a first control motor, a second control motor, a first motor frame, a second motor frame, a power supply, an air pump, a first mechanical arm, a second mechanical arm, an alignment mechanism, a telescopic air cylinder, the retainer, a cutter bar, a lead screw arm, a base, a third control motor, a transmission belt, a driving wheel, a driven wheel, a base and a support. The base is a flat cuboid steel plate, the base is arranged on the upper end face of the base and fixedly connected with the base, the rear end face of the base and one edge of the base are on the same plane, the upper end face of the base is provided with a power supply and an air pump, the front end face of the base is provided with a cylinder, one end of the cylinder is fixedly connected with the base, the side face of one end of the cylinder is provided with a motor frame, the control motor is fixedly connected with the motor frame through screws, the upper end face of one end of the cylinder is provided with two brackets, both the brackets are provided with through holes, one end of the mechanical arm is provided with a through hole, the inner side of the through hole is provided with a key groove, and a positioning key is arranged, the control motor is connected with one end of the mechanical arm through a transmission shaft, the transmission shaft of the control motor is fixedly connected with one end of the mechanical arm through, a transmission shaft of a first control motor penetrates through holes in one ends of the two supports and the first mechanical arm, nuts are arranged at two ends of two side edges of the supports on the upper end face of the cylinder body, and the nuts are in threaded connection with the transmission shaft. The other end of a mechanical arm and one end of a second mechanical arm are provided with axial threaded holes, one end of the second mechanical arm is connected with the other end of the first mechanical arm in a rotating mode through a bolt, an alignment mechanism is sleeved inside the other end of the second mechanical arm, one end of the alignment mechanism is connected with the other end of the second mechanical arm in a sliding mode, one end of a telescopic cylinder is connected with one side of the first mechanical arm in a rotating mode through a bolt, and the other end of the telescopic cylinder is fixedly connected with the lower end face of the alignment mechanism through a bolt. The end face of the other end of the cylinder is provided with a round rod, the center line of the round rod coincides with the center line of the cylinder, the retainer is sleeved on the round rod, a ring plate is arranged on the outer side of the retainer, a notch is formed in the excircle of the ring plate to the circle center, the notch is in transition fit with the diameter of the round rod, the ring plate is installed on the round rod of the cylinder, and the retainer is fixed on the round rod through the ring plate and a nut.
The opposite side of base is provided with No. three control motor, No. three control motor pass through the transmission shaft and are connected with the action wheel location, and the action wheel passes through the drive belt and is connected from the driving wheel. N strip groove has been seted up to the up end of base, and N is for being greater than 1 positive integer, two screw holes and through bolt and nut with the base and two strip groove sliding connection of cutter arbor are seted up to the base of cutter arbor, and the through-hole has all been seted up to two sides of cutter arbor, and the outside of one of them side is provided with No. two motor framves, No. two control motor pass through screw and No. two motor frame fixed connection, and No. two control motor pass through transmission shaft and cutter location connection, an axial through-hole has been seted up at the center of cutter, the transmission shaft passes the through-hole of two sides of cutter arbor and cutter. The driven wheel is connected with one end of the lead screw in a positioning mode, a threaded through hole is formed in the axial direction of one end of the lead screw arm, and the other end of the lead screw is in threaded connection with the threaded through hole of the lead screw arm. The other end of the screw arm is provided with two baffles which are positioned at two sides of one side edge of the cutter bar.
A method for enabling the thickness of a retainer locking claw to be consistent is realized according to the following steps:
step one, a power supply is switched on, a first control motor is started, the first control motor controls a first mechanical arm to drive a second mechanical arm to move through a transmission shaft, an air pump provides an air power source to enable a telescopic air cylinder to extend so as to drive an alignment mechanism to extend, when the alignment mechanism of the second mechanical arm aligns a cutter, the first control motor is turned off to complete centering and positioning of the cutter, and the cutter is not centered and positioned any more in the following operation process; after the centering and positioning of the cutter are completed, starting the first control motor, controlling the air pump to not provide an air supply any more, driving the second mechanical arm to retract by the first mechanical arm and keeping away from the cutter, starting to retract the telescopic cylinder along with the movement of the first mechanical arm and the second mechanical arm, and closing the first control motor when the telescopic cylinder is completely retracted and the alignment mechanism of the second mechanical arm aligns to a pair of locking claws of the retainer, so as to complete the centering and positioning of the pair of locking claws of the retainer; after the centering and positioning of a pair of locking claws of the retainer are completed, a first control motor is turned on, the first control motor continuously drives a first mechanical arm and a second mechanical arm to move through a transmission shaft, the first mechanical arm drives the second mechanical arm to retract, the second mechanical arm is far away from the retainer, and the first control motor is turned off;
the retainer has 12 pairs of locking claws;
in the first step, during the alignment positioning process of the locking claw of the retainer by the alignment mechanism, if the alignment mechanism is not aligned with the locking claw of the retainer, the nut at the other end of the column body is unscrewed, the locking claw of the retainer is corrected, and after the alignment positioning of the locking claw of the retainer is completed, the nut is screwed down;
step two, starting a third control motor, driving a driven wheel to rotate by a driving belt, driving a lead screw arm by the driven wheel through a lead screw, simultaneously controlling a cutter bar to move towards a retainer, and closing the third control motor when the cutter and a locking claw of the retainer realize centering positioning;
step three, starting a second control motor, wherein the second control motor drives a cutter to rotate through a transmission shaft, and a locking claw of a retainer which is aligned with the cutter is machined; after the machining is finished, starting a third control motor, controlling the screw rod to rotate by the third control motor, driving the screw rod arm by the screw rod, simultaneously driving the cutter bar to be far away from the retainer and reach a specified position, and closing the third control motor;
and step four, repeating the step one, the step two and the step three and repeating the operation until all the 12 pairs of locking claws of the retainer complete the centering positioning and machining operation, and then checking the locking amount after the bearing is sleeved.
Before the bearing retainer is machined, the tool and the retainer are centered and positioned through the alignment mechanism, the locking claw of the bearing retainer is machined after the centering and positioning are confirmed, the condition that the thicknesses of two sides of part of the locking claw of the machined retainer are inconsistent due to the fact that the centers of the tool and the locking claw of the retainer are inconsistent is avoided, the percent of pass after the bearing is improved and sleeved reaches 80% -90%, the material cost is saved by about 45%, and the working efficiency is improved by 40% due to the fact that the tool and the retainer are centered and positioned mechanically.
Drawings
FIG. 1 is an axial side view of an apparatus for consistent cage dog thickness machining according to the present invention;
FIG. 2 is a top view of an apparatus for consistent cage finger thickness machining according to the present invention;
FIG. 3 is a front view of an apparatus for consistent cage dog thickness machining according to the present invention;
FIG. 4 is a right side view of an apparatus for consistent cage latch thickness machining according to the present invention;
FIG. 5 is a front view of the alignment mechanism aligned with the tool;
FIG. 6 is a front view of the alignment mechanism aligned with the locking pawls of the cage;
FIG. 7 is a top view of the alignment mechanism;
wherein: 1-1, controlling a motor; 1-2, controlling the motor in the second mode; 1-3, a first motor frame; 1-4. a second motor frame; 2. a power source; 3. an air pump; 4. a first mechanical arm; 5. a second mechanical arm: 5-1, an alignment mechanism; 6. a telescopic cylinder; 7. a holder; 8. a cutter; 9. a cutter bar; 10. a lead screw; 11. a screw arm; 12. a base; 13. controlling the motor by the third step: 13-1. a transmission belt; 13-2, driving wheel; 13-3. driven wheel; 14. a machine base; 15. and (4) a bracket.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments.
The first embodiment is as follows: a device for enabling the thickness of a retainer locking claw to be consistent in machining comprises a second control motor 1-2, a first motor frame 1-3, a second motor frame 1-4, a power supply 2, a retainer 7, a cutter 8, a base 12, a base 14, a first control motor 1-1, an air pump 3, a first mechanical arm 4, a second mechanical arm 5, an alignment mechanism 5-1, a telescopic cylinder 6 and a cutter bar 9;
the base 14 is arranged on the upper end face of the base 12 and is fixedly connected with the base 12, the upper end face of the base 14 is provided with a power supply 2 and an air pump 3, the front end face of the base 14 is provided with a column, one end of the column is fixedly connected with the base 14, the side face of one end of the column is provided with a first motor frame 1-3, a first control motor 1-1 is fixedly connected with the first motor frame 1-3 through screws, the first control motor 1-1 is connected with one end of a first mechanical arm 4 through a transmission shaft, the other end of the first mechanical arm 4 and one end of a second mechanical arm 5 are both provided with axial threaded holes, one end of the second mechanical arm 5 is rotatably connected with the other end of the first mechanical arm 4 through bolts, the other end of the second mechanical arm 5 is internally sleeved with an alignment mechanism 5-1, one end of the alignment mechanism 5-1 is slidably connected with the other end of the second mechanical arm 5, one end of the telescopic cylinder 6 is rotatably connected with one side of the first mechanical arm 4 through a bolt, the other end of the telescopic cylinder 6 is fixedly connected with the lower end face of the alignment mechanism 5-1 through a bolt, a round rod is arranged on the end face of the other end of the column body, the central line of the round rod is superposed with the central line of the column body, and the retainer 7 is fixed on the round rod through a ring plate and a nut;
the upper end face of the base 12 is provided with N strip-shaped grooves, N is a positive integer larger than 1, the bottom edge of the cutter bar 9 is provided with two threaded holes, the bottom edge of the cutter bar 9 is connected with the two strip-shaped grooves in a sliding mode through bolts and nuts, two side edges of the cutter bar 9 are both provided with through holes, the outer side of one side edge is provided with a second motor frame 1-4, a second control motor 1-2 is fixedly connected with the second motor frame 1-4 through screws, the second control motor 1-2 is connected with a cutter 8 in a positioning mode through a transmission shaft, the center of the cutter 8 is provided with an axial through hole, and the transmission shaft penetrates through the two side edges of the cutter bar 9 and the through hole of the cutter;
according to the device for enabling the thicknesses of the locking claws of the retainer to be machined to be consistent, the aligning mechanism 5-1, the cutter 8 and the retainer 7 are arranged, the condition that the thicknesses of two sides of part of the locking claws of the machined retainer 7 are inconsistent due to the fact that the centers of the locking claws of the cutter 8 and the retainer 7 are inconsistent is avoided, the qualified rate of the improved bearing after the bearing is sleeved reaches 80% -90%, the material cost is saved by about 45%, and the working efficiency is improved by 40% due to the fact that the cutter 8 and the retainer 7 are centered and positioned mechanically.
The second embodiment is as follows: the first difference between the present embodiment and the specific embodiment is: a device enabling the thickness of a retainer locking claw to be consistent in machining further comprises a lead screw 10, a lead screw arm 11, a third control motor 13, a transmission belt 13-1, a driving wheel 13-2 and a driven wheel 13-3, wherein the third control motor 13 is arranged on the other side of a base 12, the third control motor 13 is connected with the driving wheel 13-2 in a positioning mode through a transmission shaft, the driving wheel 13-2 is connected with the driven wheel 13-3 through the transmission belt 13-1, the driven wheel 13-3 is connected with one end of the lead screw 10 in a positioning mode, a threaded through hole is formed in one end of the lead screw arm 11 in the axial direction, the other end of the lead screw 10 is connected with the threaded through hole of the lead screw arm 11 in a threaded mode, and two baffle plates are arranged at the other end of;
the device is provided with a screw rod 10, a screw rod arm 11, a third control motor 13, a transmission belt 13-1, a driving wheel 13-2 and a driven wheel 13-3, wherein the driving wheel 13-2 drives the driven wheel 13-3 to rotate through the transmission belt 13-1 by the forward and reverse rotation of the third control motor 13, and the driven wheel 13-3 drives the screw rod arm 11 through the screw rod 10 and simultaneously controls a cutter bar 9 to be close to or far away from a retainer 7.
The third concrete implementation mode: the present embodiment differs from the first or second embodiment in that: a key groove is formed in the inner side of the through hole in one end of the first mechanical arm 4, a positioning key is arranged, the transmission shaft of the first control motor 1-1 is connected with one end of the first mechanical arm 4 in a positioning mode through the positioning key, and the degree of freedom of the first mechanical arm 4 and the transmission shaft in the axial line circumferential direction is limited.
The fourth concrete implementation mode: the difference between this embodiment mode and one of the first to third embodiment modes is: the through hole is opened to the one end of a robotic arm 4, the up end of the one end of cylinder is provided with two supports 15, two supports 15 all are equipped with the through hole, and the transmission shaft of a control motor 1-1 passes through the through hole of two supports 15 and a robotic arm 4's one end, restricts a robotic arm 4's axial direction linear motion.
The fifth concrete implementation mode: the difference between this embodiment and one of the first to fourth embodiments is: an opening is formed from the excircle of the ring plate on the outer side of the retainer 7 to the circle center, and the opening is in transition fit with the diameter of the threaded rod.
The sixth specific implementation mode: the difference between this embodiment and one of the first to fifth embodiments is: a method for enabling the thickness of a retainer locking claw to be consistent is realized according to the following steps:
step one, a power supply 2 is switched on, a first control motor 1-1 is started, the first control motor 1-1 controls a first mechanical arm 4 to drive a second mechanical arm 5 to move through a transmission shaft, an air pump 3 provides an air supply to enable a telescopic air cylinder 6 to extend and further drive an alignment mechanism 5-1 to extend, and when the alignment mechanism 5-1 of the second mechanical arm 5 aligns with a cutter 8, the first control motor 1-1 is closed to finish centering and positioning of the cutter 8; after the centering and positioning of the cutter 8 are completed, the first control motor 1-1 is started, the air pump 3 is controlled not to provide an air supply any more, the first mechanical arm 4 drives the second mechanical arm 5 to withdraw and keep away from the cutter 8, the telescopic cylinder 6 starts to contract along with the movement of the first mechanical arm 4 and the second mechanical arm 5, when the telescopic cylinder 6 is completely contracted and the alignment mechanism 5-1 of the second mechanical arm 5 aligns to a pair of locking claws of the retainer 7, the first control motor 1-1 is closed, and the centering and positioning of the pair of locking claws of the retainer 7 are completed;
the retainer 7 has 12 pairs of locking claws;
step two, starting a third control motor 13, driving a driven wheel 13-3 to rotate by a driving belt 13-1, driving a lead screw arm 11 by the driven wheel 13-3 through a lead screw 10, simultaneously controlling a cutter bar 9 to move towards a retainer 7, and closing the third control motor 13 when the centering positioning of the locking claws of the cutter 8 and the retainer 7 is realized;
step three, starting a second control motor 1-2, wherein the second control motor 1-2 drives a cutter 8 to rotate through a transmission shaft, and a locking claw of a retainer 7 which is aligned with the cutter 8 is machined; after the machining is finished, a third control motor 13 is started, the third control motor 13 controls a lead screw 10 to rotate, the lead screw 10 drives a lead screw arm 11 and simultaneously drives a cutter bar 9 to be far away from a retainer 7 and reach a specified position, and the third control motor 13 is closed;
step four, repeating the step one, the step two and the step three and repeating the operation until all the 12 pairs of locking claws of the retainer 7 are centered, positioned and machined;
the invention relates to a method for enabling thickness of a retainer locking claw to be consistent in processing, which is characterized in that before a bearing retainer 7 is processed, a tool 8 and the retainer 7 are centered and positioned through an alignment mechanism 5-1, after centering and positioning are confirmed, the locking claw of the bearing retainer 7 is processed, the condition that the thicknesses of two sides of part of the processed locking claw of the retainer 7 are inconsistent due to the fact that the centers of the tool 8 and the retainer 7 are inconsistent is avoided, the qualification rate after the bearing is improved and sleeved reaches 80% -90%, material cost is saved by about 45%, and due to the fact that the tool 8 and the retainer 7 are centered and positioned mechanically, working efficiency is improved by 40%.
The seventh embodiment: the difference between this embodiment and one of the first to sixth embodiments is: in the first step, in the process of centering and positioning the locking claw of the retainer 7 by the alignment mechanism 5-1, if the alignment mechanism 5-1 is not centered with the locking claw of the retainer 7, the nut at the other end of the column body is unscrewed, the locking claw of the retainer 7 is corrected, and after centering and positioning of the locking claw of the retainer 7 are completed, the nut is screwed down;
the locking claw of the retainer 7 is centered and positioned by the alignment mechanism 5-1, so that the thickness of the two sides of the processed locking claw of the retainer 7 can be ensured to be consistent.
The specific implementation mode is eight: the present embodiment differs from one of the first to seventh embodiments in that: the alignment mechanism 5-1 is controlled by the telescopic cylinder 6 to extend and retract along the extension line direction of the second mechanical arm 5, and when the cutter 8 is far away from the retainer 7, the alignment mechanism 5-1 extends to center and position the cutter 8.
The specific implementation method nine: the present embodiment differs from the first to eighth embodiments in that: in the first step, after the centering and positioning of the pair of locking claws of the retainer 7 are completed, the first control motor 1-1 is turned on, the first control motor 1-1 continues to drive the first mechanical arm 4 and the second mechanical arm 5 to move through the transmission shaft, the first mechanical arm 4 drives the second mechanical arm 5 to retract, the second mechanical arm is far away from the retainer 7, and the first control motor 1-1 is turned off.
The beneficial effects of the present invention are demonstrated by the following examples:
the first embodiment is as follows: a device for enabling the thickness of a retainer locking claw to be consistent in machining comprises a first control motor 1-1, a second control motor 1-2, a first motor frame 1-3, a second motor frame 1-4, a power supply 2, an air pump 3, a first mechanical arm 4, a second mechanical arm 5, an alignment mechanism 5-1, a telescopic air cylinder 6, a retainer 7, a cutter 8, a cutter bar 9, a screw rod 10, a screw rod arm 11, a base 12, a third control motor 13, a transmission belt 13-1, a driving wheel 13-2, a driven wheel 13-3, a base 14 and a support 15. The base 12 is a flat cuboid steel plate, the base 14 is arranged on the upper end face of the base 12 and is fixedly connected with the base 12, the rear end face of the base 14 and one edge of the base 12 are on the same plane, the upper end face of the base 14 is provided with the power supply 2 and the air pump 3, the front end face of the base 14 is provided with a cylinder, one end of the cylinder is fixedly connected with the base 14, the side face of one end of the cylinder is provided with a motor frame 1-3, the first control motor 1-1 is fixedly connected with the first motor frame 1-3 through screws, the upper end face of one end of the cylinder is provided with two supports 15, the two supports 15 are both provided with through holes, one end of the first mechanical arm 4 is provided with a through hole, the inner side of the through hole is provided with a key groove, and is provided with a positioning key, the first control motor 1-1 is connected with one end of, a transmission shaft of a first control motor 1-1 is connected with one end of a first mechanical arm 4 in a positioning mode through a positioning key, the transmission shaft of the first control motor 1-1 penetrates through holes in two supports 15 and one end of the first mechanical arm 4, nuts are arranged at two ends of two side edges of the supports 15 on the upper end face of the cylinder body, and the nuts are in threaded connection with the transmission shaft. The other end of the first mechanical arm 4 and one end of the second mechanical arm 5 are provided with axial threaded holes, one end of the second mechanical arm 5 is rotatably connected with the other end of the first mechanical arm 4 through a bolt, an alignment mechanism 5-1 is sleeved inside the other end of the second mechanical arm 5, one end of the alignment mechanism 5-1 is slidably connected with the other end of the second mechanical arm 5, one end of the telescopic cylinder 6 is rotatably connected with one side of the first mechanical arm 4 through a bolt, and the other end of the telescopic cylinder 6 is fixedly connected with the lower end face of the alignment mechanism 5-1 through a bolt. The end face of the other end of the cylinder is provided with a round rod, the center line of the round rod coincides with the center line of the cylinder, the retainer 7 is sleeved on the round rod, a ring plate is arranged on the outer side of the retainer 7, a notch is formed in the outer circle of the ring plate to the circle center, the notch is in transition fit with the diameter of the round rod, the ring plate is installed on the round rod of the cylinder, and the retainer 7 is fixed on the round rod through the ring plate and a nut.
The other side of the base 12 is provided with a third control motor 13, the third control motor 13 is connected with a driving wheel 13-2 in a positioning mode through a transmission shaft, and the driving wheel 13-2 is connected with a driven wheel 13-3 through a transmission belt 13-1. The upper end surface of the base 12 is provided with N strip-shaped grooves, N is a positive integer greater than 1, the bottom edge of the cutter bar 9 is provided with two threaded holes, the bottom edge of the cutter bar 9 is in sliding connection with the two strip-shaped grooves through bolts and nuts, the two side edges of the cutter bar 9 are both provided with through holes, the outer side of one side edge is provided with a second motor frame 1-4, a second control motor 1-2 is fixedly connected with the second motor frame 1-4 through screws, the second control motor 1-2 is in positioning connection with a cutter 8 through a transmission shaft, the center of the cutter 8 is provided with an axial through hole, and the transmission shaft penetrates through the two side edges of the cutter bar 9 and the through hole of the cutter 8. The driven wheel 13-3 is connected with one end of the screw rod 10 in a positioning mode, a threaded through hole is formed in one end of the screw rod arm 11 in the axial direction, and the other end of the screw rod 10 is connected with the threaded through hole of the screw rod arm 11 in a threaded mode. The other end of the screw arm 11 is provided with two baffles which are positioned at two sides of one side edge of the cutter bar 9.
A method for enabling the thickness of a retainer locking claw to be consistent is realized according to the following steps:
step one, a power supply 2 is switched on, a first control motor 1-1 is started, the first control motor 1-1 controls a first mechanical arm 4 to drive a second mechanical arm 5 to move through a transmission shaft, an air pump 3 provides an air supply to enable a telescopic air cylinder 6 to extend and further drive an alignment mechanism 5-1 to extend, when the alignment mechanism 5-1 of the second mechanical arm 5 aligns with a cutter 8, the first control motor 1-1 is closed to complete the centering and the positioning of the cutter 8, and the cutter 8 is not centered and positioned any more in the following operation process; after the centering and positioning of the cutter 8 are completed, the first control motor 1-1 is started, the air pump 3 is controlled not to provide an air supply any more, the first mechanical arm 4 drives the second mechanical arm 5 to withdraw and keep away from the cutter 8, the second telescopic cylinder 6 begins to contract along with the movement of the first mechanical arm 4 and the second mechanical arm 5, when the second telescopic cylinder 6 is completely contracted and the alignment mechanism 5-1 of the second mechanical arm 5 aligns to a pair of locking claws of the retainer 7, the first control motor 1-1 is closed, and the centering and positioning of the pair of locking claws of the retainer 7 are completed; after the centering and positioning of a pair of locking claws of the retainer 7 are completed, the first control motor 1-1 is turned on, the first control motor 1-1 continuously drives the first mechanical arm 4 and the second mechanical arm 5 to move through the transmission shaft, the first mechanical arm 4 drives the second mechanical arm 5 to retract, the second mechanical arm is far away from the retainer 7, and the first control motor 1-1 is turned off;
the retainer 7 has 12 pairs of locking claws;
in the first step, in the process of centering and positioning the locking claw of the retainer 7 by the alignment mechanism 5-1, if the alignment mechanism 5-1 is not centered with the locking claw of the retainer 7, the nut at the other end of the column body is unscrewed, the locking claw of the retainer 7 is corrected, and after centering and positioning of the locking claw of the retainer 7 are completed, the nut is screwed down;
step two, starting a third control motor 13, driving a driven wheel 13-3 to rotate by a driving belt 13-1, driving a lead screw arm 11 by the driven wheel 13-3 through a lead screw 10, simultaneously controlling a cutter bar 9 to move towards a retainer 7, and closing the third control motor 13 when the centering positioning of the locking claws of the cutter 8 and the retainer 7 is realized;
step three, starting a second control motor 1-2, wherein the second control motor 1-2 drives a cutter 8 to rotate through a transmission shaft, and a locking claw of a retainer 7 which is aligned with the cutter 8 is machined; after the machining is finished, a third control motor 13 is started, the third control motor 13 controls a lead screw 10 to rotate, the lead screw 10 drives a lead screw arm 11 and simultaneously drives a cutter bar 9 to be far away from a retainer 7 and reach a specified position, and the third control motor 13 is closed;
and step four, repeating the step one, the step two and the step three and repeating the operation until all the 12 pairs of locking claws of the retainer 7 complete the centering positioning and machining operation, and then checking the locking amount after the bearing is sleeved.
Before a bearing retainer 7 is machined, a tool 8 and the retainer 7 are centered and positioned through an alignment mechanism 5-1, after centering and positioning are confirmed, a locking claw of the bearing retainer 7 is machined, the condition that the thicknesses of two sides of part of the machined locking claws of the retainer 7 are inconsistent due to the fact that the centers of the tool 8 and the locking claw of the retainer 7 are inconsistent is avoided, the qualification rate of the bearing after the bearing is sleeved after improvement reaches 80% -90%, material cost is saved by about 45%, and working efficiency is improved by 40% due to the fact that the tool 8 and the retainer 7 are centered and positioned mechanically.
Of course, the above description is not intended to limit the device and method for making the thickness of the retainer locking claws consistent, and the device and method for making the thickness of the retainer locking claws consistent are not limited to the above examples, and those skilled in the art should understand that changes, modifications, additions or substitutions made within the scope of the device and method for making the thickness of the retainer locking claws consistent are also within the scope of the invention.

Claims (8)

1. The utility model provides a make unanimous device of holder pawl thickness processing, includes No. two control motor (1-2), No. one motor frame (1-3), No. two motor frame (1-4), power (2), holder (7), cutter (8), base (12) and frame (14), its characterized in that: the device also comprises a first control motor (1-1), an air pump (3), a first mechanical arm (4), a second mechanical arm (5), an alignment mechanism (5-1), a telescopic cylinder (6) and a cutter bar (9);
the base (14) is arranged on the upper end face of the base (12) and fixedly connected with the base (12), a power supply (2) and an air pump (3) are arranged on the upper end face of the base (14), a cylinder is arranged on the front end face of the base (14), one end of the cylinder is fixedly connected with the base (14), a first motor frame (1-3) is arranged on the side face of one end of the cylinder, a first control motor (1-1) is fixedly connected with the first motor frame (1-3) through screws, the first control motor (1-1) is connected with one end of a first mechanical arm (4) through a transmission shaft, axial threaded holes are formed in the other end of the first mechanical arm (4) and one end of a second mechanical arm (5), one end of the second mechanical arm (5) is rotatably connected with the other end of the first mechanical arm (4) through bolts, an alignment mechanism (5-1) is sleeved inside the other end of the second mechanical arm (5), one end of the aligning mechanism (5-1) is connected with the other end of the second mechanical arm (5) in a sliding mode, one end of the telescopic cylinder (6) is connected with one side of the first mechanical arm (4) in a rotating mode through a bolt, the other end of the telescopic cylinder (6) is fixedly connected with the lower end face of the aligning mechanism (5-1) through a bolt, a round rod is arranged on the end face of the other end of the column body, the center line of the round rod is overlapped with the center line of the column body, and the retainer (7) is fixed on the round rod through a ring plate and a nut;
n strip-shaped grooves are formed in the upper end face of the base (12), N is a positive integer larger than 1, two threaded holes are formed in the bottom edge of the cutter bar (9), the bottom edge of the cutter bar (9) is connected with the two strip-shaped grooves in a sliding mode through bolts and nuts, through holes are formed in two side edges of the cutter bar (9), a second motor frame (1-4) is arranged on the outer side of one side edge, a second control motor (1-2) is fixedly connected with the second motor frame (1-4) through screws, the second control motor (1-2) is connected with a cutter (8) in a positioning mode through a transmission shaft, an axial through hole is formed in the center of the cutter (8), and the transmission shaft penetrates through the two side edges of the cutter bar (9) and the through hole of the cutter (8).
2. The device for making the thickness of the cage locking claw consistent in the claim 1 is characterized in that: also comprises a screw rod (10), a screw rod arm (11), a third control motor (13), a transmission belt (13-1), a driving wheel (13-2) and a driven wheel (13-3), the other side of the base (12) is provided with the third control motor (13), the third control motor (13) is connected with a driving wheel (13-2) in a positioning mode through a transmission shaft, the driving wheel (13-2) is connected with a driven wheel (13-3) through a transmission belt (13-1), the driven wheel (13-3) is connected with one end of a lead screw (10) in a positioning mode, a threaded through hole is formed in the axial direction of one end of the lead screw arm (11), the other end of the lead screw (10) is connected with the threaded through hole of the lead screw arm (11) in a threaded mode, two baffles are arranged at the other end of the lead screw arm (11), and the two baffles are located on two sides of one side edge of the cutter bar (9).
3. The device for making the thickness of the cage locking claw consistent in the claim 1 is characterized in that: the inner side of the through hole at one end of the first mechanical arm (4) is provided with a key groove and a positioning key, and a transmission shaft of the first control motor (1-1) is connected with one end of the first mechanical arm (4) in a positioning mode through the positioning key.
4. The device for making the thickness of the cage locking claw consistent according to claim 1 or 3, wherein: a through hole is formed in one end of the first mechanical arm (4), two supports (15) are arranged on the upper end face of one end of the column body, through holes are formed in the two supports (15), and a transmission shaft of the first control motor (1-1) penetrates through the two supports (15) and the through hole in one end of the first mechanical arm (4).
5. The method for making the thickness of the retainer locking claw consistent by using the device for making the thickness of the retainer locking claw consistent as claimed in claim 2 is characterized by comprising the following steps:
step one, a power supply (2) is switched on, a first control motor (1-1) is started, the first control motor (1-1) controls a first mechanical arm (4) to drive a second mechanical arm (5) to move through a transmission shaft, an air pump (3) provides an air supply, a telescopic air cylinder (6) extends to further drive an alignment mechanism (5-1) to extend, when the alignment mechanism (5-1) of the second mechanical arm (5) aligns to a cutter (8), the first control motor (1-1) is switched off, and centering and positioning of the cutter (8) are completed; after the centering and positioning of the cutter (8) are completed, the first control motor (1-1) is started, the air pump (3) is controlled not to provide an air supply any more, the first mechanical arm (4) drives the second mechanical arm (5) to retract, the cutter (8) is far away, the telescopic cylinder (6) starts to contract along with the movement of the first mechanical arm (4) and the second mechanical arm (5), when the telescopic cylinder (6) completely contracts, and the alignment mechanism (5-1) of the second mechanical arm (5) aligns to a pair of locking claws of the retainer (7), the first control motor (1-1) is closed, and the centering and positioning of a pair of locking claws of the retainer (7) are completed;
the retainer (7) has 12 pairs of locking claws;
step two, starting a third control motor (13), driving a driven wheel (13-3) to rotate by a driving belt (13-1), driving a lead screw arm (11) by the driven wheel (13-3) through a lead screw (10) and simultaneously controlling a cutter bar (9) to move towards a retainer (7), and closing the third control motor (13) when the centering positioning of locking claws of a cutter (8) and the retainer (7) is realized;
step three, starting a second control motor (1-2), wherein the second control motor (1-2) drives a cutter (8) to rotate through a transmission shaft, and a locking claw of a retainer (7) which is positioned in a centering way with the cutter (8) is machined; after the machining is finished, a third control motor (13) is started, the third control motor (13) controls a lead screw (10) to rotate, the lead screw (10) drives a lead screw arm (11) and simultaneously drives a cutter bar (9) to be far away from a retainer (7) and reach a specified position, and the third control motor (13) is closed;
and step four, repeating the step one, the step two and the step three and repeating the operation until all the 12 pairs of locking claws of the retainer (7) are centered, positioned and machined.
6. The method for making the thickness of the cage lock claw consistent according to claim 5, wherein the method comprises the following steps: in the first step, in the process that the alignment mechanism (5-1) centers and positions the locking claw of the retainer (7), if the alignment mechanism (5-1) is not centered with the locking claw of the retainer (7), the nut at the other end of the column body is unscrewed, the locking claw of the retainer (7) is corrected, and after the centering and positioning of the locking claw of the retainer (7) are completed, the nut is screwed.
7. The method for making the thickness of the cage locking claw consistent according to claim 5 or 6, wherein the method comprises the following steps: the alignment mechanism (5-1) is controlled to stretch along the extension line direction of the second mechanical arm (5) through a telescopic cylinder (6).
8. The method for making the thickness of the cage locking claw consistent according to claim 5 or 6, wherein the method comprises the following steps: in the first step, after the centering and the positioning of a pair of locking claws of the retainer (7) are completed, the first control motor (1-1) is turned on, the first control motor (1-1) continuously drives the first mechanical arm (4) and the second mechanical arm (5) to move through the transmission shaft, the first mechanical arm (4) drives the second mechanical arm (5) to retract, the first mechanical arm is far away from the retainer (7), and the first control motor (1-1) is turned off.
CN201811552517.6A 2018-12-18 2018-12-18 Device and method for enabling thickness of retainer locking claw to be consistent in machining Active CN109648149B (en)

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