CN109939943B - Automatic detection and screening device for friction force of ball bearing and using method - Google Patents
Automatic detection and screening device for friction force of ball bearing and using method Download PDFInfo
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- CN109939943B CN109939943B CN201910123393.8A CN201910123393A CN109939943B CN 109939943 B CN109939943 B CN 109939943B CN 201910123393 A CN201910123393 A CN 201910123393A CN 109939943 B CN109939943 B CN 109939943B
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Abstract
The invention discloses an automatic ball bearing friction detecting and screening device, which comprises a first bearing platform, wherein a cylinder body with the right end communicated with the outside is fixedly arranged at the top of the first bearing platform, the right end of the cylinder body slightly extends out of the right side of the first bearing platform, the top of the right half part of the cylinder body is hermetically connected with a clip box with the bottom communicated with the inside of the cylinder body and the top communicated with the outside, and a first motor fixedly connected with the top of the first bearing platform is arranged at the left side of the cylinder body. The bearing sorting device is simple in structure and easy and convenient to operate, can realize all operations without manual work, can automatically detect the friction force in the bearing, screens the bearing according to the friction force, automatically collects the screened bearing, is automatic in the whole process, does not need manual operation, avoids the problems of low efficiency and high error rate, can better sort the bearing by automatic collection, and accords with the automatic idea.
Description
Technical Field
The invention relates to the technical field of ball bearing screening, in particular to an automatic ball bearing friction detecting and screening device and a using method thereof.
Background
At present, in the rotation process of a rolling bearing, five parts, namely an outer ring, an inner ring, a retainer, a steel ball and a sealing ring, are in mutual contact, so that frictional resistance exists. The friction resistance of the bearing influences the service life of the bearing and influences the reliability and accuracy of the host machine guidance system. Especially for bearings used in high technology, such as: gyroscope bearings, satellite despin antenna bearings, large rocket carrying bearings, flight platform bearings, and the like, all require more stringent friction torque measurements. The friction torque of the bearing is an important index of the bearing, and influences the energy consumption of a machine using the bearing; for example, the rotating friction torque of a motor bearing is large, so that the rotating speed of the motor can be reduced; the starting torque of the automobile starting motor is large, so that the engine is not easy to start and the like. Energy conservation is advocated all over the world at present, so the bearing is improved by detecting the friction torque of the bearing, and the bearing has an important effect on machine energy conservation; traditionally, the method of checking the friction resistance of the bearing is a bare-handed checking method, the retardation phenomenon of the bearing during rotation is checked, the size of the friction resistance of the bearing is roughly judged qualitatively, the influence of artificial factors is large, the defect of unreliable checking exists, and the efficiency is low.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides the automatic detection and screening device for the friction force of the ball bearing, which can automatically detect the friction force in the bearing, screen the bearing according to the friction force, automatically collect the screened bearing, realize the whole process automation, avoid manual operation, and is simple, efficient, convenient and quick.
The invention adopts the technical scheme for solving the technical problems that: the automatic ball bearing friction detecting and screening device comprises a first bearing platform, wherein a cylinder body with the right end communicated with the outside is fixedly arranged at the top of the first bearing platform, the right end of the cylinder body slightly extends out of the right side of the first bearing platform, the top of the right half part of the cylinder body is hermetically connected with a clip box with the bottom communicated with the inside of the cylinder body and the top communicated with the outside, the left side of the cylinder body is provided with a first motor fixedly connected with the top of the first bearing platform, the top of the first motor is fixedly provided with a first spindle, the left half part of the inside of the cylinder body is provided with a first material pushing disc with the outer side slidably connected with the inner wall of the cylinder body and positioned at the left side of the clip box, the left end of the material pushing disc is fixedly provided with a steel wire rope, the other end of the steel wire rope penetrates through the inner wall of the left end of the cylinder body and then is fixedly connected with a first, a first cavity with the right end communicated with the outside is arranged in the upper, the lower, the front and the rear ends of the cylinder body respectively, a first cylinder is fixedly arranged on the inner wall of the left end of the first cavity, a first telescopic column with the right end extending to the right side of the cylinder body is arranged at the right end of the first telescopic column, a first circular plate with the same inner diameter as the inner diameter of the cylinder body is fixedly arranged at the right end of the first telescopic column, first grooves are distributed on the inner wall of the left half part and the inner wall of the right half part of the circular plate respectively in an array manner, a first semicircular plate which is close to the center of the first circular plate and extends to the outside of the first grooves is arranged in the first grooves, a cylindrical groove is arranged in the center of the first semicircular plate, one end, away from the center of the first circular plate, of the cylindrical groove is communicated with the outside, cylindrical pins are embedded in the cylindrical groove, one end, away from the center of the first circular plate, of, the spring two is located around the cylindrical pin, a bearing platform II is arranged on the right side of the bearing platform I, a groove II with the top communicated with the outside is arranged on the left half part of the top of the bearing platform II, an infrared distance meter is fixedly arranged at the bottom of the groove II, a motor II is arranged on the right side of the groove II, a first supporting plate fixedly connected with the top of the bearing platform II is fixedly arranged at the front end and the back end of the bottom of the motor II respectively, an air cylinder II is arranged on the right side of the motor II, a base connected with the top of the bearing platform II is arranged at the bottom of the air cylinder II, a telescopic column II is arranged at the left end of the air cylinder II, a disc plate is fixedly arranged at the left end of the telescopic column II, connecting columns are fixedly arranged at the upper half part, the lower half part, the front half part and the back half part of the left end of the disc plate, the diameter of the right half part of the stepped column is larger than that of the left half part, a channel communicated with the outside is arranged inside the stepped column, the left end of the motor is provided with a second main shaft, the left end of the second main shaft penetrates through the channel and then reaches the left side of the stepped column, the upper half part, the lower half part, the front half part and the rear half part of the right end of the stepped column are hermetically connected with a second support plate positioned around a connecting column, the second support plate is far away from one end of the motor and fixedly provided with a third air cylinder, the third air cylinder is provided with a third telescopic column, the third telescopic column penetrates through the right half part of the stepped column and then reaches the left half part of the stepped column, the third left end of the telescopic column is fixedly provided with a second circular plate, the inner diameter of the second circular plate is larger than the outer diameter of the left half part of the stepped column, the dye cavity is internally provided with dye cavities distributed in an even array, the inner walls of the ends, the sprayer is characterized in that one end of the sprayer close to the main shaft II penetrates through the inner wall of the dye cavity and then reaches the outside, a fixing plate and a motor III which are fixedly connected with the ground are respectively arranged in front of and behind the bearing platform I and the bearing platform II, a double screw with the front end movably connected with the fixing plate is arranged at the front end of the motor III, the fixing plate is positioned between the bearing platform I and the bearing platform II, a sliding plate is slidably connected to the outer side of the double screw, a material collecting box is fixedly arranged on the top of the sliding plate in an array mode, a U-shaped pipe is connected to the top of the material collecting box in a threaded mode, the other end of the U-shaped pipe is close to the main shaft II, the axis of the other end of the U-shaped pipe is coincident with the axis of the main shaft II, a positioning rod is fixedly arranged at the bottom of the inner wall of the material collecting box, the first circular ring, the half-round block of the left half can resist slipping out against the bearing and exert thrust.
A use method of an automatic detection and screening device for friction force of a ball bearing comprises the following steps:
firstly, early preparation: pouring black dye capable of volatilizing and fading along with time into the dye cavity, operating a motor III, driving a double screw to rotate by the motor III, driving a sliding plate to slide out from between a bearing platform I and a bearing platform II by the rotation of the double screw, and driving a U-shaped pipe to slide out by the sliding plate;
secondly, feeding: the bearing is placed into the barrel from the top of the square-shaped box, the bearing falls into the barrel, the motor rotates clockwise to loosen the steel wire rope, the spring releases and stores force to push the material pushing disc and the steel wire rope, the material pushing disc pushes the bearing to move forward towards the direction of the circular ring plate, the bearing presses the circular ring plate to contract through the thrust of the material pushing disc, and then the bearing is clamped into the middle of the circular ring plate;
thirdly, fixing: the inner diameter of the bearing is the same as that of the second main shaft, the first air cylinder drives the first telescopic column to extend out, the first telescopic column extends out to drive the first circular plate to move towards the second main shaft, the circular plate drives the bearing to be sleeved outside the middle of the second main shaft, the bearing is located above the infrared distance meter, and then the first telescopic column is driven to retract by the air cylinder;
fourthly, spraying: the third cylinder drives the third telescopic column to extend out, the third telescopic column extends out to drive the second circular plate to approach towards the bearing direction, the third cylinder stops running when the second circular plate and the shaft bear the weight, black dye sprayed out by the spray head is uniformly distributed on the outer side of the bearing surface, and then the third cylinder drives the third telescopic column to retract;
fifthly, measurement: the infrared distance meter emits infrared light to the surface of the bearing to measure the distance, meanwhile, the motor II operates to drive the main shaft II to rotate for one minute, the main shaft II rotates to drive the inner ring of the bearing to rotate, the inner ring of the bearing rotates to drive the balls in the bearing to rotate, the balls in the bearing rotate to transmit friction to the outer ring of the bearing, so that the outer ring of the bearing rotates, when the rotating distance of the outer ring of the bearing is large, the friction in the bearing is large, otherwise the friction is small, when the infrared distance meter measures black paint on the outer side of the bearing, a breakpoint is generated (the infrared distance meter cannot obtain return light of infrared light to measure the distance because the black paint is not reflected), the more the number of the breakpoints is, the larger the friction in the bearing is represented, and otherwise the smaller the;
and sixthly, screening: after the measurement is finished, the second cylinder drives the second telescopic column to extend out, the second telescopic column extends out to drive the disc plate to move towards the first bearing platform, the disc plate moves to drive the connecting column to move, the connecting column moves to drive the step column to move, meanwhile, according to different friction forces of the bearings measured in the fourth step, the third motor drives the double screws to rotate, the double screws rotate to drive the sliding plate to slide, the sliding plate slides to align the U-shaped pipes corresponding to the material collecting boxes for collecting the bearings with different friction forces with the second main shaft, the left end of the step column pushes the bearing, the bearings with different friction forces are pushed into the U-shaped pipes corresponding to different material collecting boxes, and the bearings enter the material collecting boxes through the U-shaped pipes to complete screening and collection.
The invention has the beneficial effects that: the bearing sorting device is simple in structure and easy and convenient to operate, can realize all operations without manual work, can automatically detect the friction force in the bearing, screens the bearing according to the friction force, automatically collects the screened bearing, is automatic in the whole process, does not need manual operation, avoids the problems of low efficiency and high error rate, can better sort the bearing by automatic collection, and accords with the automatic idea.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic view of the cylinder III of the present invention in an extended configuration;
FIG. 4 is a partial enlarged view X of FIG. 1;
FIG. 5 is a partial enlarged view Y of FIG. 1;
FIG. 6 is a partial enlarged view W of FIG. 5;
fig. 7 is a partial enlarged view Z of fig. 1.
Description of reference numerals: the device comprises a bearing platform I1, a cylinder 2, a clip box 3, a limiting disc 4, a sliding plate 5, a fixing plate 6, a positioning rod 7, a material collecting box 8, a double screw 9, a U-shaped pipe 10, an infrared distance meter 11, a cylinder II 12, a base 13, a bearing platform II 14, a motor I15, a main shaft I16, a steel wire rope 17, a spring I18, a material pushing disc 19, a bearing 20, a cylinder I21, a telescopic column I22, a ring plate I23, a groove I24, a semicircular plate 25, a cylindrical groove 26, a cylindrical pin 27, a spring II 28, a groove II 29, a main shaft II 30, a channel 31, a spray head 32, a ring plate II 33, a plug hole 34, a step column 35, a connecting column 36, a motor II 37, a disc plate 38, a telescopic column II 39, a supporting plate II 40, a supporting plate I41, a cylinder III 42, a telescopic column III 43, a cavity I.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
with reference to figures 1, 2, 3, 4, 5, 6, 7: the automatic detection and screening device for the friction force of the ball bearing in the embodiment comprises a bearing platform I1, wherein a barrel body 2 with the right end communicated with the outside is fixedly arranged at the top of the bearing platform I1, the right end of the barrel body 2 slightly extends out of the right side of the bearing platform I1, the top of the right half part of the barrel body 2 is hermetically connected with a clip box 3 with the bottom communicated with the inside of the barrel body 2 and the top communicated with the outside, a motor I15 fixedly connected with the top of the bearing platform I1 is arranged at the left side of the barrel body 2, a main shaft I16 is fixedly arranged at the top of the motor I15, a material pushing disc 19 with the outer side connected with the inner wall of the barrel body 2 in a sliding manner and positioned at the left side of the clip box 3 is arranged at the left half part of the inside of the barrel body 2, a steel wire rope 17 is fixedly arranged at the left end of the material pushing disc 19, the other end of the steel wire rope 17 penetrates, the outer side of the main shaft I16 is hermetically connected with limiting discs 4 positioned above and below a steel wire rope 17, a first cavity 44 with the right end communicated with the outside is respectively arranged in the upper end, the lower end, the front end and the rear end of the cylinder body 2, the inner wall of the left end of the first cavity 44 is respectively and fixedly provided with a first air cylinder 21, the right end of the first air cylinder 21 is provided with a first telescopic column 22 with the right end extending to the right side of the cylinder body 2, the right end of the first telescopic column 22 is fixedly provided with a first annular plate 23 with the same inner diameter as the inner diameter of the cylinder body 2, the inner wall of the left half part and the inner wall of the right half part of the first annular plate 23 are respectively provided with a first groove 24 in an array manner, a semicircular plate 25 with one end close to the center of the first annular plate 23 extending to the outside of the first groove 24 is arranged in the first groove 24, a cylindrical groove 26, one end of the cylindrical pin 27, which is far away from the center of the first circular plate 23, is fixedly connected with the inner wall of one end of the first groove 24, which is far away from the center of the first circular plate 23, one end of the semi-circular plate 25, which is far away from the center of the first circular plate 23, and one end of the first groove 24, which is far away from the center of the first circular plate 23, are fixedly provided with second springs 28 distributed in an array manner, the second springs 28 are positioned around the cylindrical pin 27, the right side of the first bearing platform 1 is provided with a second bearing platform 14, the left half part of the top of the second bearing platform 14 is provided with a second groove 29, the bottom of the second groove 29 is fixedly provided with an infrared distance meter 11, the right side of the second groove 29 is provided with a second motor 37, the front end and the rear end of the bottom of the second motor 37 are respectively and fixedly provided with a first support plate 41 fixedly connected with, the utility model discloses a two-stage drive mechanism, including cylinder two 12 left end, flexible post two 39 left end fixed mounting has disc board 38, disc board 38 left end first half, lower half, first half, latter half respectively fixed mounting have spliced pole 36, spliced pole 36 left end reachs motor two 37 left through motor two 37 tops, below, place ahead, rear, 36 left ends fixed mounting has step post 35, step post 35 right half diameter is greater than left half diameter, inside the external passageway 31 of intercommunication that is equipped with of step post 35, the second 37 left end of motor is installed the left end and is passed the second 30 of main shaft that reachs step post 35 left side behind the passageway 31, step post 35 right end first half, lower half, first half, latter half sealing connection have and lie in spliced pole 36 two 40 in the backup pad all around, backup pad two 40 keep away from motor two 37 one end fixed mounting has cylinder three 42, the left end of the cylinder III 42 is provided with a telescopic column III 43, the telescopic column III 43 reaches the left half part of the step column 35 after penetrating through the right half part of the step column 35, the left end of the telescopic column III 43 is fixedly provided with a circular ring plate II 33, the inner diameter of the circular ring plate II 33 is larger than the outer diameter of the left half part of the step column 35, dye cavities 45 which are uniformly distributed in an array manner are arranged inside the circular ring plate II 33, the inner wall of one end, away from the main shaft II 30, of each dye cavity 45 is provided with a plug hole 34 for filling, the inner wall of one end, close to the main shaft II 30, of each dye cavity 45 is provided with a spray head 32, one end, close to the main shaft II 30, of each spray head 32 penetrates through the inner wall of the dye cavities 45 and reaches the outside, the front and rear parts of the bearing platform I1 and the bearing platform II 14 are respectively provided with a fixing plate 6 and a motor III 46 which are fixedly connected with the ground, the front end of the double, the outer side of the double screw 9 is connected with a sliding plate 5 in a sliding mode, an aggregate box 8 is fixedly installed on the top of the sliding plate 5 in an array mode, a U-shaped pipe 10 is connected to the top of the aggregate box 8 in a threaded mode, the other end of the U-shaped pipe 10 is close to a second main shaft 30, the axis of the other end of the U-shaped pipe 10 coincides with the second main shaft 30, a positioning rod 7 is fixedly installed at the bottom of the inner wall of the aggregate box 8, and the axes of the first ring.
With reference to figures 1, 2, 3, 4, 5, 6, 7: a use method of an automatic detection and screening device for friction force of a ball bearing comprises the following steps:
firstly, early preparation: pouring black dye capable of volatilizing and fading along with time into the dye cavity 45, operating a motor III 46, driving a double screw 9 to rotate by the motor III 46, driving the sliding plate 5 to slide out from between the bearing platform I1 and the bearing platform II 14 by the rotation of the double screw 9, and driving the U-shaped pipe 10 to slide out by the sliding plate 5;
secondly, feeding: putting a bearing 20 into the barrel 2 from the top of the clip box 3, enabling the bearing 20 to fall into the barrel 2, enabling a first motor 15 to rotate clockwise, loosening a steel wire rope 17, enabling a first spring 18 to release stored force to push a pushing disc 19 and the steel wire rope 17, enabling the pushing disc 19 to push the bearing 20 to move forwards towards a first circular ring plate 23, enabling the bearing 20 to press a semi-circular plate 25 to be contracted through the pushing force of the pushing disc 19, and then enabling the bearing 20 to be clamped into the middle of the first circular ring plate 23;
thirdly, fixing: the inner diameter of the bearing 20 is the same as the diameter of the second main shaft 30, the first cylinder 21 drives the first telescopic column 22 to extend out, the first telescopic column 22 extends out to drive the first annular plate 23 to move towards the second main shaft 30, the first annular plate 23 drives the bearing 20 to be sleeved on the outer side of the middle part of the second main shaft 30, the bearing 20 is located above the infrared distance meter 11, and then the first cylinder 21 drives the first telescopic column 22 to retract;
fourthly, spraying: the third cylinder 42 drives the third telescopic column 43 to extend out, the third telescopic column 43 extends out to drive the second circular plate 33 to approach towards the bearing 20, the third cylinder 42 stops running when the second circular plate 33 is overlapped with the bearing 20, black dye sprayed by the spray head 32 is uniformly distributed on the outer side of the surface of the bearing 20, and then the third cylinder 42 drives the third telescopic column 43 to retract;
fifthly, measurement: the infrared distance meter 11 emits infrared light to the surface of the bearing 20 to measure the distance, meanwhile, the motor II 37 operates to drive the main shaft II 30 to rotate for one minute, the main shaft II 30 rotates to drive the inner ring of the bearing 20 to rotate, the inner ring of the bearing 20 rotates to drive the balls inside the bearing 20 to rotate, the balls inside the bearing 20 rotate to transmit friction to the outer ring of the bearing 20, so that the outer ring of the bearing 20 rotates, when the outer ring of the bearing 20 rotates for a long distance, the friction inside the bearing 20 is large, otherwise, the friction is small, when the infrared distance meter 11 measures black paint on the outer side of the bearing 20 during rotation of the bearing 20, a breakpoint is generated (the infrared distance meter cannot obtain return light of infrared light to measure the distance because the black paint does not reflect light), the more times of the breakpoint are indicative of the larger friction inside the bearing 20, otherwise, the;
and sixthly, screening: after the measurement is finished, the second cylinder 12 drives the second telescopic column 39 to extend out, the second telescopic column 39 extends out to drive the disc plate 38 to move towards the first bearing platform 1, the disc plate 38 moves to drive the connecting column 36 to move, the connecting column 36 moves to drive the step column 35 to move, meanwhile, according to different friction forces of the bearing 20 measured in the fourth step, the third motor 46 drives the double screws 9 to rotate, the double screws 9 rotate to drive the sliding plate 5 to slide, the sliding plate 5 slides to align the U-shaped tubes 10 corresponding to the material collecting boxes 8 for collecting the bearings 20 with different friction forces with the second main shaft 30, the left end of the step column 35 pushes the bearing 20, the bearings 20 with different friction forces are pushed into the U-shaped tubes 10 corresponding to the different material collecting boxes 8, and the bearings 20 enter the material collecting boxes 8 through the U-shaped tubes 10 to complete screening and.
While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.
Claims (2)
1. The utility model provides a ball bearing frictional force automated inspection sieving mechanism, includes cushion cap one (1), characterized by: the device comprises a bearing platform I (1), a barrel body (2) with the right end communicated with the outside is fixedly installed at the top of the bearing platform I (1), the right end of the barrel body (2) slightly extends out of the right side of the bearing platform I (1), the top of the right half part of the barrel body (2) is hermetically connected with a clip box (3) with the bottom communicated with the inside of the barrel body (2) and the top communicated with the outside, a motor I (15) fixedly connected with the top of the bearing platform I (1) is arranged at the left side of the barrel body (2), a main shaft I (16) is fixedly installed at the top of the motor I (15), a material pushing disc (19) with the outer side connected with the inner wall of the barrel body (2) in a sliding manner and positioned at the left side of the clip box (3) is arranged at the left half part of the inside of the barrel body (2), a steel wire rope (17) is, it has spring (18) that is located around wire rope (17) to push away between material disc (19) left end and barrel (2) left end inner wall array fixed mounting, main shaft (16) outside sealing connection has spacing dish (4) that is located wire rope (17) upper and lower both sides, barrel (2) about be equipped with respectively in four ends inside cavity one (44) that the right-hand member communicates with the external world, cavity one (44) left end inner wall fixed mounting has cylinder one (21) respectively, cylinder one (21) right-hand member is equipped with the telescopic column one (22) that the right-hand member extends to barrel (2) right side, telescopic column one (22) right-hand member fixed mounting has the ring plate one (23) that the internal diameter is the same with barrel (2) internal diameter, ring plate one (23) left half inner wall and right half inner wall array distribution respectively have groove one (24), groove one (24) inside be equipped with be close to ring plate one (23) center one end extend to the outer semicircle board (24) 25) A cylindrical groove (26) is arranged at the center of the semicircular plate (25), one end, far away from the first annular plate (23), of the cylindrical groove (26) is communicated with the outside, a cylindrical pin (27) is embedded in the cylindrical groove (26), one end, far away from the center of the first annular plate (23), of the cylindrical pin (27) is fixedly connected with the inner wall of one end, far away from the center of the first annular plate (23), of the groove (24), of the inner wall of one end, far away from the center of the first annular plate (23), of the semicircular plate (25) and one end, far away from the center of the first annular plate (23), of the groove (24), are fixedly provided with second springs (28) distributed in an array manner, the second springs (28) are positioned around the cylindrical pin (27), a second bearing platform (14) is arranged on the right side of the first bearing platform (1), a second groove (29) with the top communicated with the outside is, the right-hand motor two (37) that is equipped with of recess two (29), both ends difference fixed mounting has the backup pad (41) with cushion cap two (14) top fixed connection around motor two (37) bottom, the right-hand cylinder two (12) that is equipped with of motor two (37), cylinder two (12) bottom is equipped with base (13) of being connected with cushion cap two (14) top, flexible post two (39) are installed to cylinder two (12) left end, flexible post two (39) left end fixed mounting has disc board (38), disc board (38) left end first half, lower half, first half, latter half fixed mounting have spliced pole (36) respectively, spliced pole (36) left end is through motor two (37) top, below, place ahead, rear arrival motor two (37) left side, spliced pole (36) left end fixed mounting has step post (35), the diameter of the right half part of the step column (35) is greater than the diameter of the left half part, the inside external passageway (31) of intercommunication that is equipped with of step column (35), the left end is installed to two (37) left ends of motor and is reachd the main shaft two (30) of step column (35) left side after passageway (31) is passed, step column (35) right-hand member upper half part, lower half part, front half part, latter half part sealing connection have and lie in spliced pole (36) backup pad two (40) all around, motor two (37) one end fixed mounting is kept away from in backup pad two (40) has cylinder three (42), flexible post three (43) are installed to cylinder three (42) left end, flexible post three (43) are reachd step column (35) left half part after passing step column (35) right half part, flexible post three (43) left end fixed mounting has ring board two (33), ring board two (33) internal diameter is greater than the outer diameter of the left half part of step column (35), dye cavities (45) which are uniformly distributed in an array manner are arranged in the second circular plate (33), plug holes (34) for filling are formed in the inner wall of one end, away from the second main shaft (30), of each dye cavity (45), spray heads (32) are arranged on the inner wall of one end, close to the second main shaft (30), of each dye cavity (45), one end, close to the second main shaft (30), of each spray head (32) penetrates through the inner wall of each dye cavity (45) and then reaches the outside, a fixing plate (6) and a motor (46) which are fixedly connected with the ground are respectively arranged in front of and behind the first bearing platform (1) and the second bearing platform (14), a double screw (9) is arranged at the front end of each motor (46) and movably connected with the fixing plate (6), the fixing plate (6) is arranged between the first bearing platform (1) and the second bearing platform (14), sliding plates (5) are slidably connected to the outer sides of the double screw (9), and a collecting box (, gather workbin (8) top threaded connection and have U-shaped pipe (10), U-shaped pipe (10) other end is close to main shaft two (30), U-shaped pipe (10) other end axis and two (30) coincidences of main shaft, gather workbin (8) inner wall bottom fixed mounting have locating lever (7), ring board (23) and two (30) axes of main shaft align.
2. The method for using the automatic ball bearing friction force detection screening device according to claim 1 comprises the following steps:
firstly, early preparation: pouring black dye capable of volatilizing and fading along with time into the dye cavity (45), operating a motor III (46), driving a double screw (9) to rotate by the motor III (46), driving a sliding plate (5) to slide out from between a bearing platform I (1) and a bearing platform II (14) by the rotation of the double screw (9), and driving a U-shaped pipe (10) to slide out by the sliding plate (5);
secondly, feeding: putting a bearing (20) into the barrel (2) from the top of the clip box (3), enabling the bearing (20) to fall into the barrel, enabling a motor I (15) to rotate clockwise, loosening a steel wire rope (17), enabling a spring I (18) to release stored force to push a pushing disc (19) and the steel wire rope (17), enabling the pushing disc (19) to push the bearing (20) to move forwards towards a first annular plate (23), enabling the bearing (20) to press a semicircular plate (25) to shrink through the thrust of the pushing disc (19), and then enabling the bearing (20) to be clamped into the middle of the first annular plate (23);
thirdly, fixing: the inner diameter of the bearing (20) is the same as the diameter of the second main shaft (30), the first cylinder (21) drives the first telescopic column (22) to extend out, the first telescopic column (22) extends out to drive the first annular plate (23) to move towards the second main shaft (30), the first annular plate (23) drives the bearing (20) to be sleeved on the outer side of the middle part of the second main shaft (30), the bearing (20) is positioned above the infrared distance meter (11), and then the first cylinder (21) drives the first telescopic column (22) to retract;
fourthly, spraying: the third cylinder (42) drives the third telescopic column (43) to extend out, the third telescopic column (43) extends out to drive the second circular ring plate (33) to approach towards the bearing (20), when the second circular ring plate (33) is superposed with the bearing (20), the third cylinder (42) stops running, black dye sprayed by the spray head (32) is uniformly distributed on the outer side of the surface of the bearing (20), and then the third cylinder (42) drives the third telescopic column (43) to retract;
fifthly, measurement: the infrared distance measuring instrument (11) emits infrared light to the surface of the bearing (20) to measure the distance, meanwhile, the motor II (37) operates to drive the main shaft II (30) to rotate for one minute, the main shaft II (30) drives the inner ring of the bearing (20) to rotate, the inner ring of the bearing (20) rotates to drive the balls inside the bearing (20) to rotate, the balls inside the bearing (20) rotate to transmit friction force to the outer ring of the bearing (20), so that the outer ring of the bearing (20) rotates, when the rotating distance of the outer ring of the bearing (20) is large, the friction force inside the bearing (20) is large, otherwise, a breakpoint is generated when the infrared distance measuring instrument (11) measures black paint on the outer side of the bearing (20) when the black paint is sprayed on the outer side of the bearing (20), the larger the infrared distance measuring instrument cannot obtain the return light of infrared light because the black is not reflected, and the more times of the breakpoint represents the friction force inside the bearing (20), otherwise, the ratio is smaller;
and sixthly, screening: after the measurement is finished, the second cylinder (12) drives the second telescopic column (39) to extend out, the second telescopic column (39) extends out to drive the disc plate (38) to move towards the first bearing platform (1), the disc plate (38) moves to drive the connecting column (36) to move, the connecting column (36) moves to drive the step column (35) to move, meanwhile, according to the difference of the friction force of the bearing (20) measured in the fourth step, the motor III (46) drives the double screws (9) to rotate, the double screws (9) rotate to drive the sliding plate (5) to slide, the sliding plate (5) slides to align the U-shaped pipe (10) corresponding to the material collecting box (8) for collecting the bearings (20) with different friction forces with the main shaft II (30), the left end of the stepped column (35) pushes the bearing (20), the bearings (20) with different friction forces are pushed into the U-shaped pipes (10) corresponding to different material collecting boxes (8), and the bearing (20) enters the material collecting box (8) through the U-shaped pipe (10) to complete screening and collection.
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Denomination of invention: An Automatic Testing and Screening Device for Friction Force of Ball Bearing and Its Application Method Effective date of registration: 20221006 Granted publication date: 20201030 Pledgee: Zhejiang Lishui Liandu Rural Commercial Bank Co.,Ltd. Zhongshan Sub branch Pledgor: LISHUI ZHIYUAN TECHNOLOGY Co.,Ltd. Registration number: Y2022980017551 |
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