CN116079519B - Device and method for high-precision processing of end face of cylindrical roller bearing ring with extra light pushing force - Google Patents
Device and method for high-precision processing of end face of cylindrical roller bearing ring with extra light pushing force Download PDFInfo
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- CN116079519B CN116079519B CN202310313815.4A CN202310313815A CN116079519B CN 116079519 B CN116079519 B CN 116079519B CN 202310313815 A CN202310313815 A CN 202310313815A CN 116079519 B CN116079519 B CN 116079519B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
- B24B7/16—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention relates to the technical field of finish machining of end faces of cylindrical roller bearing rings with high-precision extra-light pushing force, which is used for solving the problem that the surface of the cylindrical roller bearing rings with extra-light pushing force is easy to deform in the traditional equipment and the machining positioning mode, thereby influencing the machining precision; compared with the prior art, the invention can realize continuous automatic feeding, can reliably position and effectively clamp the bearing, and can avoid quality reduction caused by various deformations, thereby ensuring that the bearing obtains more stable quality precision in the processing process.
Description
Technical Field
The invention relates to the technical field of high-precision processing of end faces of thrust cylindrical roller bearing rings, in particular to a device and a method for high-precision processing of end faces of ultra-light thrust cylindrical roller bearing rings.
Background
The ultra-light series high-precision thrust cylindrical roller bearing is more light, thin and compact in structure, small in occupied space, high in precision and large in bearing axial load, so that the ultra-light series high-precision thrust cylindrical roller bearing is widely applied to spindle bearings of vertical rotary tables such as precision lathes, machining centers, high-precision grinding machines, precision instruments and the like, the end face of a ferrule of the ultra-precision ultra-light series thrust cylindrical roller bearing is also a working surface in contact with roller motion, namely a rolling way, the surface geometric precision of the ultra-light series high-precision thrust cylindrical roller bearing directly influences the rotating precision of a finished bearing product, and accordingly the quality level of the bearing is determined, and the higher the bearing precision grade is, the higher the requirements on dimensional precision, geometric precision and rotating precision are; accordingly, the higher the requirements for bearing manufacturing.
The high-precision thrust cylindrical roller bearing has high processing precision requirement, in the existing bearing ring end face finish grinding processing technology, the ring is processed by adopting a magnetic clamping mode of an electromagnetic chuck workbench, and the clamping force is perpendicular to the end face of the ring, so that the final processing precision is easily influenced by elastic deformation caused by magnetic force. And because the diameter and thickness ratio of the ultra-light bearing ring is large and parts are thinner, the commonly used processing equipment, positioning devices, clamping modes and the like can not meet the requirements, and the requirements of the end face processing precision of the ultra-light series high-precision thrust cylindrical roller bearing ring can not be met.
In view of the above technical drawbacks, a solution is now proposed.
Disclosure of Invention
The invention aims to provide a device and a method for processing the end face of a cylindrical roller bearing ring with extra-light pushing force with high precision, which are used for solving the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the high-precision processing device for the end face of the ultra-light thrust cylindrical roller bearing ring comprises a bedplate, wherein the top of the bedplate is movably connected with a rotary table through a bearing, the top of the bedplate is fixedly connected with a first support frame, a second support frame and a third support frame, the top of the rotary table is fixedly connected with a plurality of groups of bottom plates in an annular array, the top of the bottom plates is fixedly connected with a bearing table, the top of the bearing table is provided with the cylindrical roller bearing ring, and the top of the bottom plates is provided with a plurality of groups of multi-direction abutting assemblies matched with the bearing table in an annular array;
the multidirectional tight subassembly of supporting includes base, multiunit support, pneumatic push rod one and dwang, base fixed connection is at the top of bottom plate, support fixed connection is at the top of base, pneumatic push rod one and dwang one end all rotate with the support that corresponds the setting and are connected, the side fixedly connected with drive frame one of dwang, drive groove one has been seted up to the inside of drive frame one, the output fixedly connected with drive rod one of pneumatic push rod one, drive rod one passes through drive groove one and drive frame one sliding connection.
Further, the top of the base is symmetrically and fixedly connected with a vertical plate, the top of the vertical plate is an inclined plane, a sliding rail is fixedly connected to the inclined plane of the top of the vertical plate, a sliding plate is arranged on the top of the base, and two ends of the sliding plate are both in sliding connection with the sliding rails which are correspondingly arranged;
one end fixedly connected with and cylindrical roller bearing ring circumference side matched with arc external splint one of slide, the other end fixedly connected with drive seat of slide, the top fixedly connected with drive frame second of dwang, drive groove second has been seted up in the drive frame second, drive frame two passes through drive groove second and drive seat sliding connection.
Further, the top of base still fixedly connected with pneumatic push rod two, the tip of pneumatic push rod two still fixedly connected with cylindrical roller bearing ring circumference side matched with arc outer splint two.
Further, the top fixedly connected with diaphragm of platen, the top sliding connection of diaphragm has the pushing plate, connect the silo has been seted up at the top of pushing plate, connect the inslot to offer the flat push groove, be provided with the flat push subassembly in the flat push groove, the flat push subassembly includes the push pedal, the top fixedly connected with of push pedal and cylindrical roller bearing ring circumference side matched with arc outer splint three.
Further, the spout has all been seted up to the both sides face of push pedal, spout internal rotation is connected with and accepts the pole, sliding connection has the slider in the spout, fixedly connected with compression spring one between slider and the spout inner wall, the one end rotation of slider is connected with the connecting rod, the one end and the accepting the pole side rotation of connecting rod are connected, the top symmetry fixedly connected with deflector of diaphragm.
Further, the top of the first support frame is fixedly connected with a partition board, and the bottom of the partition board is provided with a feeding assembly;
the feeding assembly comprises a pneumatic push rod III and a downward moving plate, the top end of the pneumatic push rod III is fixedly connected to the bottom of the partition plate, the output end of the pneumatic push rod III is fixedly connected with the top of the downward moving plate, mounting grooves are formed in two sides of the downward moving plate, guide wheels I are movably connected in the mounting grooves through bearings, two pull ropes are fixedly connected to the bottom of the partition plate, and guide wheels II matched with the pull ropes and the guide wheels I are further arranged at the bottom of the partition plate through a connecting frame.
Further, in the bottom symmetry fixedly connected with guide rail of board moves down, sliding connection has the translation board in the guide rail, the one end and the translation board terminal surface fixed connection of stay cord, fixedly connected with compression spring two between the terminal surface of translation board and the guide rail inner wall.
Further, the translation board is kept away from the one end bottom of stay cord and is fixed with the link plate through spot welding, the guide way has been seted up to one side of link plate, sliding connection has the lug in the guide way, one side fixedly connected with arc interior splint of lug.
Further, a polishing mechanism with a high-precision polishing function is arranged at the top of the second support frame, a baffle is fixedly connected to the top of the third support frame, a plurality of groups of air blowing valves are arranged at the bottom of the baffle, the air blowing valves are connected with an external mechanism with an air supply function through a guide pipe, and a motor for driving the turntable to rotate is arranged in the bedplate;
the top of the transverse plate is connected with a charging barrel for storing a cylindrical roller bearing ring, the top of the transverse plate is fixedly connected with a pneumatic push rod IV and a pneumatic push rod V, the pneumatic push rod IV is slidably connected with one end of the material pushing plate, and one end of the pneumatic push rod V is fixedly connected with the end part of the push plate.
The invention also provides a working method of the high-precision processing device for the end face of the ultra-light thrust cylindrical roller bearing ring, which comprises the following steps:
step one: the pneumatic push rod IV drives the pushing plate to push out from the bottom of the charging barrel, at the moment, the cylindrical roller bearing ring in the charging barrel falls down to be in the receiving groove, the pneumatic push rod IV drives the pushing plate and the cylindrical roller bearing ring to push out from the bottom of the charging barrel, then the pneumatic push rod V is started again, the pneumatic push rod V drives the pushing plate to enter the flat pushing groove until the arc-shaped outer clamping plate III contacts with the cylindrical roller bearing ring and pushes the cylindrical roller bearing ring out from the receiving groove;
step two: the cylindrical roller bearing ring is conveyed below the partition plate under the pushing of the push plate, at the moment, the pneumatic push rod III drives the downward moving plate to move downwards, the downward moving plate continuously moves downwards, so that the pull rope pulls the translation plate to slide in the guide rail, meanwhile, the translation plate continuously extrudes the compression spring II in the sliding process, the two translation plates are continuously separated from each other until the arc-shaped inner clamping plate is contacted with the inner circular side wall of the cylindrical roller bearing ring and is abutted against the inner circular side wall of the cylindrical roller bearing ring, and at the moment, the push plate is pulled out from the bottom of the cylindrical roller bearing ring;
step three: the first pneumatic push rod drives the second driving frame to synchronously deflect through the mutual matching of the first driving rod and the first driving frame and the like, so that the sliding plate slides in the sliding rail until the arc-shaped outer clamping plate abuts against the outer side wall of the circumference of the cylindrical roller bearing ring;
then the pneumatic push rod II drives the arc-shaped outer clamping plate II to horizontally move until the arc-shaped outer clamping plate II abuts against the circumferential outer side wall of the cylindrical roller bearing ring, the pneumatic push rod III is started again, the pneumatic push rod III drives the downward moving plate to move upwards, the connecting plate slides relative to the arc-shaped inner clamping plate until the two translation plates are mutually close under the action of the compression spring II, the arc-shaped inner clamping plate is further separated from contact with the circumferential inner side wall of the cylindrical roller bearing ring, and the turntable is conveyed to the lower part of the polishing mechanism with the high-precision polishing function under the action of the motor to polish the cylindrical roller bearing ring with high precision.
Compared with the prior art, the invention has the beneficial effects that:
when the cylindrical roller bearing ring is used, the sliding plate moves in the downward oblique direction under the mutual matching of the first pneumatic push rod and the first driving frame and the like, the sliding plate drives the first arc-shaped outer clamping plate to move in the downward oblique direction, so that the cylindrical roller bearing ring is subjected to horizontal thrust and also subjected to downward oblique thrust, the bottom of the cylindrical roller bearing ring is more attached to the top of the bearing table, and the second arc-shaped outer clamping plate is abutted against the circumferential outer side wall of the cylindrical roller bearing ring under the driving of the second pneumatic push rod, so that the second arc-shaped outer clamping plate provides horizontal thrust for the cylindrical roller bearing ring, and the cylindrical roller bearing ring is more tightly attached to the bearing table through the mutual matching of the first arc-shaped outer clamping plate and the second arc-shaped outer clamping plate.
When the clamping device is used, the first arc-shaped outer clamping plate and the second arc-shaped outer clamping plate which are mainly arranged in the horizontal direction and have downward inclined clamping force are arranged to replace the existing magnetic workbench to be used as a positioning and clamping mechanism of the bearing ring, so that the problem that the clamping deformation is generated on the ultra-light series bearing ring by the existing machine tool magnetic chuck clamping device is effectively avoided, and meanwhile, the product processing precision is effectively ensured.
Drawings
For the convenience of those skilled in the art, the present invention will be further described with reference to the accompanying drawings;
FIG. 1 is a top view of the overall structure of the present invention;
FIG. 2 is a top view of a slide rail structure according to the present invention;
FIG. 3 is a front view of a stage structure according to the present invention;
FIG. 4 is a three front view of a pneumatic push rod in the feed assembly of the present invention;
FIG. 5 is a bottom view of the track structure of the present invention;
FIG. 6 is a schematic diagram of a push plate in a horizontal pushing assembly according to the present invention;
FIG. 7 is a schematic view of a cartridge according to the present invention;
fig. 8 is an enlarged view of area a of fig. 1 according to the present invention.
Reference numerals: 1. a platen; 2. a turntable; 301. a first supporting frame; 302. a second supporting frame; 303. a third supporting frame; 4. a bottom plate; 5. a carrying platform; 6. a multidirectional abutting assembly; 601. a base; 602. a support; 603. a first pneumatic push rod; 604. a rotating lever; 605. a first driving frame; 606. a first driving groove; 607. a first driving rod; 608. a slide rail; 609. a slide plate; 610. an arc-shaped outer clamping plate I; 611. a driving seat; 612. a second driving frame; 613. a second driving groove; 614. pneumatic push rod II; 615. arc-shaped outer clamping plates II; 7. a riser; 8. a cross plate; 9. a pushing plate; 10. a receiving groove; 11. a horizontal pushing groove; 12. a horizontal pushing component; 121. a push plate; 122. arc outer clamping plates III; 123. a chute; 124. a receiving rod; 125. a slide block; 126. compressing a first spring; 127. a connecting rod; 128. a guide plate; 13. a partition plate; 14. a feeding assembly; 141. pneumatic push rod III; 142. a downward moving plate; 143. a first guide wheel; 144. a pull rope; 145. a second guide wheel; 146. a guide rail; 147. a translation plate; 148. a connecting plate; 149. an arc-shaped inner clamping plate; 150. compression spring II; 15. a polishing mechanism; 16. a baffle; 17. a gas blowing valve; 18. a charging barrel; 19. a pneumatic push rod IV; 20. a pneumatic push rod; 200. cylindrical roller bearing rings.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1-8, the ultra-light series high-precision thrust cylindrical roller bearing is more light and thin and compact in structure, small in occupied space, high in precision and large in bearing axial load, so that the ultra-light series high-precision thrust cylindrical roller bearing is widely applied to spindle bearings of vertical rotary tables such as precision machine tools, machining centers, high-precision grinding machines, precision instruments and the like, the end face of a ferrule of the ultra-light series thrust cylindrical roller bearing is also a working surface in contact with roller motion, namely a roller path, the surface geometric precision of the ultra-light series thrust cylindrical roller bearing directly influences the rotation precision of a finished bearing product, and accordingly the quality level of the bearing is determined, and the higher the bearing precision level is, the higher the requirements on each dimensional precision, geometric precision and rotation precision are; accordingly, the higher the requirements for bearing manufacturing, the more the following improvement is made in order to achieve accurate and continuous placement of the cylindrical roller bearing ring 200:
the rotary table comprises a table plate 1, wherein the top of the table plate 1 is movably connected with a rotary table 2 through a bearing, the top of the table plate 1 is fixedly connected with a first supporting frame 301, a second supporting frame 302 and a third supporting frame 303, the top of the rotary table 2 is fixedly connected with a plurality of groups of bottom plates 4 in an annular array manner, the top of the bottom plates 4 is fixedly connected with a bearing table 5, a cylindrical roller bearing ring 200 is placed at the top of the bearing table 5, the top of the table plate 1 is fixedly connected with a transverse plate 8, the top of the transverse plate 8 is slidably connected with a pushing plate 9, the top of the pushing plate 9 is provided with a receiving groove 10, a flat pushing groove 11 is formed in the receiving groove 10, a flat pushing assembly 12 is arranged in the flat pushing groove 11, the flat pushing assembly 12 comprises a pushing plate 121, and the top of the pushing plate 121 is fixedly connected with an arc-shaped outer clamping plate III 122 matched with the circumferential side surface of the cylindrical roller bearing ring 200;
when the device is specifically arranged, the pneumatic push rod IV 19 pushes the pushing plate 9 to slide on the top of the transverse plate 8, when the material receiving groove 10 formed in the top of the pushing plate 9 is just communicated with the discharging through hole at the bottom of the material barrel 18, the cylindrical roller bearing ring 200 positioned in the material barrel 18 falls into the material receiving groove 10, the pneumatic push rod IV 19 continues to push the pushing plate 9 to move until the cylindrical roller bearing ring 200 is pushed out from the bottom of the material barrel 18 under the cooperation of the material receiving groove 10 and the pushing plate 9, and meanwhile, the bottom of the material barrel 18 is blocked at the position where the material receiving groove 10 is not formed in the top of the pushing plate 9, so that continuous discharging of the cylindrical roller bearing ring 200 is realized;
starting the pneumatic push rod five 20 again, and moving the pneumatic push rod five 20 into the horizontal pushing groove 11 by pushing the push plate 121 until an arc-shaped outer clamping plate three 122 at the top of the push plate 121 contacts with the circumferential outer side wall of the cylindrical roller bearing ring 200, and pushing the cylindrical roller bearing ring 200 out of the receiving groove 10 after the arc-shaped outer clamping plate three 122 contacts with the circumferential outer side wall of the cylindrical roller bearing ring 200;
as shown in fig. 6, in the process of pushing out the push plate 121 from the flat pushing groove 11, rollers at the end parts of the bearing rods 124 roll along the side walls of the flat pushing groove 11, in order to avoid the problem that the cylindrical roller bearing rings 200 fall off in the pushing process, sliding grooves 123 are formed on two side surfaces of the push plate 121, the bearing rods 124 are rotationally connected with the sliding grooves 123, sliding blocks 125 are slidingly connected with the sliding grooves 123, a compression spring I126 is fixedly connected between the sliding blocks 125 and the inner walls of the sliding grooves 123, one ends of the sliding blocks 125 are rotationally connected with connecting rods 127, one ends of the connecting rods 127 are rotationally connected with the side surfaces of the bearing rods 124, and guide plates 128 are symmetrically and fixedly connected with the tops of the transverse plates 8;
it should be noted that, as shown in fig. 8, the distance between the two guide plates 128 is 1 cm narrower than the distance between the two side walls of the flat pushing groove 11, so that the receiving rod 124 and the roller can smoothly go into the flat pushing groove 11 from between the two guide plates 128;
when the push plate 121 is completely pushed out from the horizontal pushing groove 11, at this time, the roller at the end of the receiving rod 124 is separated from contact with the inner wall of the horizontal pushing groove 11, meanwhile, the receiving rod 124 rotates out of the sliding groove 123 under the mutual cooperation of the sliding block 125, the first compression spring 126 and the connecting rod 127, and the receiving rods 124 which are automatically opened are arranged at two sides of the push plate 121, so that the supporting area of the bottom of the cylindrical roller bearing ring 200 is increased, the receiving rod 124 supports the bottom of the cylindrical roller bearing ring 200, and the receiving rods 124 do not contact with the bottom of the cylindrical roller bearing ring 200, and the angle is changed through the automatically opened receiving rods 124, so that the problem that the cylindrical roller bearing ring 200 falls in the conveying process is prevented;
example 2
As shown in fig. 1, fig. 4 and fig. 5, a first partition board 13 is fixedly connected to the top of a first support frame 301, a feeding component 14 is arranged at the bottom of the partition board 13, the feeding component 14 comprises a third pneumatic push rod 141 and a downward moving board 142, the top end of the third pneumatic push rod 141 is fixedly connected to the bottom of the partition board 13, the output end of the third pneumatic push rod 141 is fixedly connected with the top of the downward moving board 142, mounting grooves are formed in two sides of the downward moving board 142, a first guide wheel 143 is movably connected in the mounting grooves through bearings, two pull ropes 144 are fixedly connected to the bottom of the partition board 13, and it is required to explain that the pull ropes 144 have no elasticity and cannot stretch under the action of external force, and a second guide wheel 145 matched with the pull ropes 144 and the first guide wheel 143 is further arranged at the bottom of the partition board 13 through a connecting frame;
the first guide wheel 143 is matched with the second guide wheel 145, so that the stay rope 144 is always kept in a tight state in the whole running process;
the bottom of the lower moving plate 142 is symmetrically and fixedly connected with a guide rail 146, a translation plate 147 is slidably connected in the guide rail 146, one end of a pull rope 144 is fixedly connected with the end face of the translation plate 147, a compression spring II 150 is fixedly connected between the end face of the translation plate 147 and the inner wall of the guide rail 146, a connecting plate 148 is fixedly arranged at the bottom of one end of the translation plate 147 far away from the pull rope 144 through spot welding, a guide groove is formed in one side of the connecting plate 148, a protruding block is slidably connected in the guide groove, and an arc-shaped inner clamping plate 149 is fixedly connected to one side of the protruding block.
When the cylindrical roller bearing ring 200 is pushed to a designated position by the push plate 121, the pneumatic push rod III 141 is started, the pneumatic push rod III 141 drives the downward moving plate 142 to move downwards, the guide wheel I143 is tightly clung to the pull rope 144 to slide, and in the downward moving process of the downward moving plate 142, the pull rope 144 pulls the translation plate 147 to slide in the guide rail 146 due to the fact that the downward moving plate 142 continuously moves downwards, meanwhile, the translation plate 147 continuously extrudes the compression spring II 150 in the sliding process, the two translation plates 147 are continuously separated from each other until the arc-shaped inner clamping plate 149 is contacted with and abutted against the inner circular side wall of the cylindrical roller bearing ring 200, and at the moment, the push plate 121 is pulled out from the bottom of the cylindrical roller bearing ring 200;
as shown in the view of fig. 8, the left side of the horizontal pushing groove 11 is provided with an arc surface, so that the receiving rod 124 is folded under the limit of the horizontal pushing groove 11 and re-enters the sliding groove 123, and meanwhile, the roller rolls along the horizontal pushing groove 11;
when the cylindrical roller bearing ring 200 abuts against the arc-shaped inner clamping plate 149, the pneumatic push rod III 141 continues to push the downward moving plate 142 to move downwards, and as the compression spring II 150 is connected between the translation plate 147 and the inner wall of the guide rail 146, the downward moving plate 142 still can drive the cylindrical roller bearing ring 200 to move downwards until the cylindrical roller bearing ring 200 is placed on the top of the bearing table 5 after the arc-shaped inner clamping plate 149 abuts against the inner circular side wall of the cylindrical roller bearing ring 200.
Example 3
As shown in fig. 1 to 5, in the prior art, in the process of clamping the cylindrical roller bearing ring 200, a magnetic clamping mode is generally adopted by an electromagnetic chuck, so that the cylindrical roller bearing ring 200 is easy to generate elastic deformation in the clamping process, and the clamping force direction of the cylindrical roller bearing ring 200 is generally not horizontal but vertical to the end face of the ring, so that the machining precision of the cylindrical roller bearing ring 200 is affected, and in order to solve the problem, the following specific improvement is as follows:
the multidirectional abutting assembly 6 comprises a base 601, a plurality of groups of supports 602, a first pneumatic push rod 603 and a rotating rod 604, wherein the base 601 is fixedly connected to the top of a bottom plate 4, the supports 602 are fixedly connected to the top of the base 601, one ends of the first pneumatic push rod 603 and the rotating rod 604 are rotationally connected with the supports 602 which are correspondingly arranged, a first driving frame 605 is fixedly connected to the side face of the rotating rod 604, a first driving groove 606 is formed in the first driving frame 605, a first driving rod 607 is fixedly connected to the output end of the first pneumatic push rod 603, and the first driving rod 607 is in sliding connection with the first driving frame 605 through the first driving groove 606.
The top of the base 601 is symmetrically and fixedly connected with a vertical plate 7, the top of the vertical plate 7 is an inclined plane, a slide rail 608 is fixedly connected to the inclined plane of the top of the vertical plate 7, a slide plate 609 is arranged on the top of the base 601, and two ends of the slide plate 609 are slidably connected in the slide rails 608 which are correspondingly arranged;
one end fixedly connected with of slide 609 and cylindrical roller bearing ring 200 circumference side matched with arc external splint 610, the other end fixedly connected with drive seat 611 of slide 609, the top fixedly connected with of dwang 604 drives frame two 612, has seted up drive groove two 613 in the drive frame two 612, and drive frame two 612 passes through drive groove two 613 and drive seat 611 sliding connection, and the top of base 601 still fixedly connected with pneumatic push rod two 614, the tip of pneumatic push rod two 614 still fixedly connected with cylindrical roller bearing ring 200 circumference side matched with arc external splint two 615.
When the cylindrical roller bearing ring 200 is specifically arranged, the cylindrical roller bearing ring 200 is moved to the top of the bearing table 5 under the mutual cooperation of the arc-shaped inner clamping plate 149 and the downward moving plate 142 in the structures of the pneumatic push rod III 141 and the like, at this time, the first pneumatic push rod 603 drives the rotating rod 604 to rotate relative to the support 602 through the mutual cooperation of the first driving rod 607, the first driving groove 606 and the first driving frame 605, the rotating rod 604 drives the second driving frame 612 to synchronously deflect, the sliding plate 609 slides in the sliding rail 608 under the mutual cooperation of the second driving groove 613 and the driving seat 611, and the sliding plate 609 slides obliquely downwards along the sliding rail 608 until the arc-shaped outer clamping plate I610 abuts against the circumferential outer side wall of the cylindrical roller bearing ring 200;
the arc-shaped outer clamping plate I610 moves obliquely downwards, so that the cylindrical roller bearing ring 200 is subjected to horizontal thrust and also subjected to oblique downward thrust, the bottom of the cylindrical roller bearing ring 200 is further attached to the top of the bearing table 5, the pneumatic push rod II 614 is started, the pneumatic push rod II 614 drives the arc-shaped outer clamping plate II 615 to move horizontally until the arc-shaped outer clamping plate II 615 abuts against the outer side wall of the circumference of the cylindrical roller bearing ring 200, and the arc-shaped outer clamping plate I610 is matched with the arc-shaped outer clamping plate II 615, so that the cylindrical roller bearing ring 200 is attached to the bearing table 5 more tightly;
when the cylindrical roller bearing ring 200 is tightly supported by the arc-shaped outer clamping plate I610 and the arc-shaped outer clamping plate II 615, the pneumatic push rod III 141 is started to drive the downward moving plate 142 to move upwards, and the arc-shaped inner clamping plate 149 and the circumferential inner side wall of the cylindrical roller bearing ring 200 are in a tightly supporting state, so that the connecting plate 148 slides relative to the arc-shaped inner clamping plate 149 in the process that the pneumatic push rod III 141 drives the downward moving plate 142 to move upwards until the two translation plates 147 are mutually close under the action of the respectively connected stay ropes 144 and the compression spring II 150, and the arc-shaped inner clamping plate 149 is separated from contact with the circumferential inner side wall of the cylindrical roller bearing ring 200;
example 4
As shown in fig. 1, a polishing mechanism 15 with a high-precision polishing function is installed at the top of a second support frame 302, a baffle 16 is fixedly connected to the top of a third support frame 303, a plurality of groups of air blowing valves 17 are arranged at the bottom of the baffle 16, the air blowing valves 17 are connected with an external mechanism with an air supply function through a guide pipe, and a motor for driving a turntable 2 to rotate is arranged in a bedplate 1;
the motor drives the carousel 2 to rotate, make the plummer 5 that corresponds pass through feeding component 14 in proper order, feeding component 14 is with cylindrical roller bearing ring 200 stable the placing at the top of plummer 5, simultaneously carry out level and decurrent support to cylindrical roller bearing ring 200 through multi-direction support tight subassembly 6, the cylindrical roller bearing ring 200 after being fixed moves to the grinding machanism 15 below that has the high accuracy function of polishing under the rotation of carousel 2 and carries out high accuracy and polishes, cylindrical roller bearing ring 200 that polishes shifts out from grinding machanism 15, the multi-direction support tight subassembly 6 of unblock is convenient for take out cylindrical roller bearing ring 200, blow valve 17 is clear up the sweeps at plummer 5 top afterwards, the plummer 5 of being convenient for carries out continuous support and processing to subsequent cylindrical roller bearing ring 200.
The foregoing is merely illustrative of the structures of this invention and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the invention or from the scope of the invention as defined in the accompanying claims.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (4)
1. The high-precision machining device for the end face of the ultra-light thrust cylindrical roller bearing ring comprises a bedplate (1) and is characterized in that the top of the bedplate (1) is movably connected with a turntable (2) through a bearing, the top of the bedplate (1) is fixedly connected with a first support frame (301), a second support frame (302) and a third support frame (303), the top of the turntable (2) is fixedly connected with a plurality of groups of bottom plates (4) in an annular array manner, the top of the bottom plates (4) is fixedly connected with a bearing table (5), the top of the bearing table (5) is provided with a cylindrical roller bearing ring (200), and the top of the bottom plates (4) is provided with a plurality of groups of multi-direction abutting assemblies (6) matched with the bearing table (5) in an annular array manner;
the multidirectional abutting assembly (6) comprises a base (601), a plurality of groups of supports (602), a first pneumatic push rod (603) and a rotating rod (604), wherein the base (601) is fixedly connected to the top of a bottom plate (4), the supports (602) are fixedly connected to the top of the base (601), one ends of the first pneumatic push rod (603) and the rotating rod (604) are rotationally connected with the corresponding supports (602), a first driving frame (605) is fixedly connected to the side face of the rotating rod (604), a first driving groove (606) is formed in the first driving frame (605), a first driving rod (607) is fixedly connected to the output end of the first pneumatic push rod (603), and the first driving rod (607) is in sliding connection with the first driving frame (605) through the first driving groove (606);
the top of the base (601) is symmetrically and fixedly connected with a riser (7), the top of the riser (7) is an inclined plane, a slide rail (608) is fixedly connected to the inclined plane of the top of the riser (7), and a slide plate (609) is connected in a sliding manner in the slide rail (608);
one end of the sliding plate (609) is fixedly connected with an arc-shaped first outer clamping plate (610) matched with the circumferential side surface of the cylindrical roller bearing ring (200), the other end of the sliding plate (609) is fixedly connected with a driving seat (611), the top end of the rotating rod (604) is fixedly connected with a second driving frame (612), a second driving groove (613) is formed in the second driving frame (612), and the second driving frame (612) is in sliding connection with the driving seat (611) through the second driving groove (613);
the top of the base (601) is also fixedly connected with a pneumatic push rod II (614), and the end part of the pneumatic push rod II (614) is also fixedly connected with an arc-shaped outer clamping plate II (615) matched with the circumferential side surface of the cylindrical roller bearing ring (200);
the top of the first supporting frame (301) is fixedly connected with a partition plate (13), and the bottom of the partition plate (13) is provided with a feeding assembly (14);
the feeding assembly (14) comprises a pneumatic push rod III (141) and a downward moving plate (142), the top end of the pneumatic push rod III (141) is fixedly connected to the bottom of the partition board (13), the output end of the pneumatic push rod III (141) is fixedly connected with the top of the downward moving plate (142), mounting grooves are formed in two sides of the downward moving plate (142), guide wheels I (143) are movably connected in the mounting grooves through bearings, two pull ropes (144) are fixedly connected to the bottom of the partition board (13), and guide wheels II (145) matched with the pull ropes (144) and the guide wheels I (143) are further arranged at the bottom of the partition board (13) through connecting frames;
the bottom of the downward moving plate (142) is symmetrically and fixedly connected with a guide rail (146), a translation plate (147) is slidably connected in the guide rail (146), one end of the pull rope (144) is fixedly connected with the end face of the translation plate (147), and a compression spring II (150) is fixedly connected between the end face of the translation plate (147) and the inner wall of the guide rail (146);
a connecting plate (148) is fixed at the bottom of one end, far away from the stay rope (144), of the translation plate (147) through spot welding, a guide groove is formed in one side of the connecting plate (148), a protruding block is connected in the guide groove in a sliding mode, and an arc-shaped inner clamping plate (149) is fixedly connected to one side of the protruding block;
a polishing mechanism (15) with a high-precision polishing function is arranged at the top of the second support frame (302), a baffle plate (16) is fixedly connected to the top of the third support frame (303), a plurality of groups of air blowing valves (17) are arranged at the bottom of the baffle plate (16), the air blowing valves (17) are connected with an external mechanism with an air supply function through a guide pipe, and a motor for driving the turntable (2) to rotate is arranged in the bedplate (1);
the top of the transverse plate (8) is connected with a charging barrel (18) for storing a cylindrical roller bearing ring (200), the top of the transverse plate (8) is fixedly connected with a pneumatic push rod IV (19) and a pneumatic push rod V (20), the pneumatic push rod IV (19) is slidably connected with one end of the pushing plate (9), and one end of the pneumatic push rod V (20) is fixedly connected with the end part of the pushing plate (121).
2. The ultra-light thrust cylindrical roller bearing ring end face high-precision machining device according to claim 1, wherein a transverse plate (8) is fixedly connected to the top of the platen (1), a pushing plate (9) is slidably connected to the top of the transverse plate (8), a receiving groove (10) is formed in the top of the pushing plate (9), a flat pushing groove (11) is formed in the receiving groove (10), a flat pushing assembly (12) is arranged in the flat pushing groove (11), the flat pushing assembly (12) comprises a pushing plate (121), and an arc-shaped outer clamping plate III (122) matched with the circumferential side face of the cylindrical roller bearing ring (200) is fixedly connected to the top of the pushing plate (121).
3. The high-precision processing device for the end face of the ultra-light thrust cylindrical roller bearing ring according to claim 2, wherein sliding grooves (123) are formed in two side faces of the push plate (121), a receiving rod (124) is rotationally connected to the sliding grooves (123), a sliding block (125) is slidably connected to the sliding grooves (123), a compression spring I (126) is fixedly connected between the sliding block (125) and the inner wall of the sliding groove (123), a connecting rod (127) is rotationally connected to one end of the sliding block (125), one end of the connecting rod (127) is rotationally connected with the side face of the receiving rod (124), and guide plates (128) are symmetrically and fixedly connected to the top of the transverse plate (8).
4. A working method of the ultra-light thrust cylindrical roller bearing ring end face high-precision machining device according to claim 3, characterized by comprising the following steps:
step one: the pneumatic push rod IV (19) drives the pushing plate (9) to push out from the bottom of the charging barrel (18), at the moment, the cylindrical roller bearing ring (200) in the charging barrel (18) falls into the receiving groove (10), the pneumatic push rod IV (19) drives the pushing plate (9) and the cylindrical roller bearing ring (200) to push out from the bottom of the charging barrel (18), then the pneumatic push rod IV (20) is started, the pneumatic push rod IV (20) drives the push plate (121) to enter the flat pushing groove (11) until the arc-shaped outer clamping plate III (122) is in contact with the cylindrical roller bearing ring (200) and pushes the cylindrical roller bearing ring out from the receiving groove (10);
step two: the cylindrical roller bearing ring (200) is conveyed to the lower part of the partition plate (13) under the pushing of the push plate (121), at the moment, the pneumatic push rod III (141) drives the downward moving plate (142) to move downwards, the pull rope (144) pulls the translation plate (147) to slide in the guide rail (146) due to the fact that the downward moving plate (142) continuously moves, meanwhile, the translation plate (147) continuously extrudes the compression spring II (150) in the sliding process, the two translation plates (147) are continuously separated from each other until the arc-shaped inner clamping plate (149) is contacted with and abutted against the inner circular side wall of the cylindrical roller bearing ring (200), and at the moment, the push plate (121) is pulled out from the bottom of the cylindrical roller bearing ring (200);
step three: the pneumatic push rod I (603) drives the driving frame II (612) to synchronously deflect through the mutual matching of the driving rod I (607), the driving frame I (605) and the rotating rod (604), so that the sliding plate (609) slides in the sliding rail (608) until the arc-shaped outer clamping plate I (610) abuts against the circumferential outer side wall of the cylindrical roller bearing ring (200);
then the pneumatic push rod II (614) drives the arc-shaped outer clamping plate II (615) to horizontally move until the arc-shaped outer clamping plate II (615) is abutted against the circumferential outer side wall of the cylindrical roller bearing ring (200), the pneumatic push rod III (141) is started again, the pneumatic push rod III (141) drives the downward moving plate (142) to move upwards, the connecting plate (148) slides relative to the arc-shaped inner clamping plate (149) until the two translation plates (147) are mutually close under the action of the compression spring II (150), the arc-shaped inner clamping plate (149) is separated from contact with the circumferential inner side wall of the cylindrical roller bearing ring (200), and the turntable (2) is conveyed to the lower part of the polishing mechanism (15) with a high-precision polishing function under the action of a motor to polish with high precision.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310313815.4A CN116079519B (en) | 2023-03-28 | 2023-03-28 | Device and method for high-precision processing of end face of cylindrical roller bearing ring with extra light pushing force |
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| CN202310313815.4A CN116079519B (en) | 2023-03-28 | 2023-03-28 | Device and method for high-precision processing of end face of cylindrical roller bearing ring with extra light pushing force |
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| CN116252006B (en) * | 2023-05-16 | 2023-07-07 | 苏州玮嘉精密机械有限公司 | Screw thread machining and positioning device for overturning transmission shaft |
| CN117399655B (en) * | 2023-11-03 | 2024-03-19 | 安徽安步轴承有限公司 | Bearing ring surface machining turning device and method based on double-row angular contact ball bearing |
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