CN212717669U - Automatic production line for angular contact ball bearings - Google Patents
Automatic production line for angular contact ball bearings Download PDFInfo
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- CN212717669U CN212717669U CN202022213535.0U CN202022213535U CN212717669U CN 212717669 U CN212717669 U CN 212717669U CN 202022213535 U CN202022213535 U CN 202022213535U CN 212717669 U CN212717669 U CN 212717669U
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Abstract
An automatic production line of angular contact ball bearings comprises a pretreatment part, a measurement part, a pre-preparation part, a fitting assembly part and a subsequent detection processing part which are connected by an automatic conveying part; the pre-assembly part comprises a pre-assembly feeding part, a pre-assembly sleeve part, a protrusion amount detection part and a sleeve disassembling and blanking part. The production line realizes the automatic assembly production of the angular contact ball bearing, the input inner ring, the outer ring, the retainer and the steel ball are cleaned and detected in the early stage, formal assembly is carried out after the preassembly is qualified, and finally the assembly process is completed after the strict inspection program is qualified again; the method solves the problem that the angular contact ball bearing is difficult to assemble on line automatically in the prior art, and the technical breakthrough is completed through the procedures of preassembly and the like, so that the method has higher advancement.
Description
Technical Field
The utility model belongs to the technical field of bearing automation assembly production technique and specifically relates to an angular contact ball bearing automatic production line is related to.
Background
An angular contact ball bearing is a support component widely used in industry at present, and mainly comprises an inner ring, an outer ring, a rolling body and a retainer.
In the prior art, for the precision requirement of the angular contact bearing, a method of protrusion grinding is generally adopted to adjust the protrusion to be within a reference value tolerance range, as shown in an assembly method provided in the utility model patent application with the application number of 201380002494.0, and an automatic method for ball loading and ball recovery of the angular contact bearing is also provided in the assembly method. However, in the method, because the high-precision assembly of the angular contact bearing is completed only by adopting a grinding method, the requirement of high-speed modern bearing assembly is difficult to meet, and meanwhile, the mode that the plurality of balls are pre-assembled one by one to realize protrusion amount detection and further judge whether the bearing precision meets the requirement is difficult to achieve high processing speed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an angular contact ball bearing automatic production line, the needs of considering that assembly line automation is carried and automatic equipment, adopt holder standard component and the inner circle and the outer lane pre-prepared mode of carrying in pairs when carrying out accuracy control to on-line measurement protrusion quantity value, with at the within range adjustment steel ball gauge value, promote the product precision, the technical scheme of adoption is: an automatic production line of angular contact ball bearings is characterized by comprising a pretreatment part, a measurement part, a pre-preparation part, a fitting assembly part and a subsequent detection processing part which are connected by an automatic conveying part; the pre-assembly part comprises a pre-assembly feeding part, a pre-assembly sleeve part, a protrusion amount detection part and a sleeve disassembling and blanking part; the pre-matched feeding part comprises an inner ring feeding conveying line and an outer ring feeding conveying line; the pre-matched sleeve part comprises a sleeve-combining robot, one side of the sleeve-combining robot is also provided with a steel ball retainer placing frame, an inner ring is placed on an inner ring expansion core, the inner ring expansion core is arranged on a positioning seat, the inner ring expansion core is connected with an expansion core driving assembly, the positioning seat is arranged on a rotating sleeve, and the rotating sleeve is connected with the rotating sleeve driving assembly; the clamping jaw I and/or the clamping jaw II are/is used for buckling the outer ring or the steel ball retainer on the inner ring under the control of the fitting robot; the sleeve-removing and blanking component conveys the detected inner ring and outer ring to a blanking turntable or a waste material line in pairs according to different detection results of the protrusion amount; the sleeve assembling part comprises a ball distributing part and a sleeve assembling part, the ball distributing part comprises a clamping part for clamping a component to be assembled, the clamping part is arranged in the rotating part, one side of the clamping part is provided with a ball distributing advancing and retreating part, the ball distributing advancing and retreating part comprises a ball distributing block which moves under the driving of a ball distributing driving part, the ball distributing block is provided with a steel ball inlet and a steel ball outlet, a steel ball channel is arranged between the steel ball inlet and the steel ball outlet, the ball outlet end of the ball distributing block is also provided with a ball distributing curved surface which is communicated with the steel ball outlet and extrudes the steel ball to enter a ball pocket of the retainer, and the sleeve assembling part comprises a sleeve assembling robot and a heating; the output end of the heating sleeve assembly is connected with the input end of the subsequent detection processing part. The production line conveys the inner ring and the outer ring to each part in pairs, completes the processing steps of pretreatment, pre-matching, sleeve matching, subsequent treatment and the like, and the qualified workpieces detected after the processing can enter the packaging process; the pre-stored steel balls with different gauge values provide the possibility of online adjustment, and further, the automatic flow production of the angular contact bearing is realized.
The retainer standard part of the production line is recycled, and the recycling mode is as follows: the pre-assembly part further comprises a steel ball retainer circulating part, the steel ball retainer circulating part comprises a steel ball retainer placing frame close to the fitting robot and a retainer return conveying assembly which is connected with the discharging position of the steel ball retainer of the discharging turntable and conveys the steel ball retainer back to the steel ball retainer placing frame.
The sleeve dismounting and blanking part structure is as follows: the automatic blanking device comprises a sleeve removing robot, wherein a blanking turntable is arranged on one side of the sleeve removing robot, and a waste material line is arranged on the other side of the sleeve removing robot; the sleeve disassembling component comprises a rotary sleeve and an inner ring expansion core, the inner ring is placed on the inner ring expansion core, the inner ring expansion core is arranged on a positioning seat, the inner ring expansion core is connected with an expansion core driving assembly, the positioning seat is installed on the rotary sleeve, and the rotary sleeve is connected with a rotary sleeve driving assembly; the clamping device further comprises a clamping jaw I and/or a clamping jaw II which are/is used for outputting the outer ring or the steel ball retainer outwards to a specified position under the control of the sleeve dismounting robot.
The beneficial effects of the utility model reside in that: the production line realizes the automatic assembly production of the angular contact ball bearing, the input inner ring, the outer ring, the retainer and the steel ball are cleaned and detected in the early stage, formal assembly is carried out after the preassembly is qualified, and finally the assembly process is completed after the strict inspection program is qualified again; the production line solves the problem that the on-line automatic assembly of the angular contact ball bearing is difficult in the prior art, and the production line completes technical breakthrough through procedures such as pre-assembly and the like and has higher advancement.
Drawings
Fig. 1 is a schematic structural view of the production line, fig. 2 is a schematic structural view of a pre-fitting part, fig. 3 is a schematic structural view of a pre-fitting sleeve part in fig. 2, fig. 4 is a side view of fig. 3, fig. 5 is a schematic structural view of a sleeve assembly part, fig. 6 is a schematic structural view of a sleeve assembly part after a ball distribution block is cut off in fig. 5, fig. 7 is a schematic structural view of a tool in fig. 5, fig. 8 is a schematic structural view of a ball distribution curved surface, and fig. 9 is a schematic structural view of a bearing surface of a retainer and a bearing surface of an. 01 is an inner ring, 02 is an outer ring, 03 is a steel ball, and 04 is a retainer.
1 is a pretreatment part, 111 is a feed line, 112 is a forward/reverse detection waste line, 12 is a laser marking part, 121 is a laser marking operation table, 122 is a laser fume extractor, and 113 is an ultrasonic cleaning part.
2 is a measuring part, 21 is a measuring part feeding part, 22 is a three-coordinate measuring and positioning part, 23 is an operation panel, 24 is a measuring part waste tank, and 25 is a measuring part discharging part.
3 is a pre-assembly part, 3I is a feeding part and a sleeve combining part, 3 II is a protrusion amount detection part, and 3 III is a sleeve disassembling and blanking part; 311 is an inner ring/outer ring feeding conveying line, 312 is a nesting four-axis robot, 313 is a steel ball retainer placing frame, 314 is a nesting stepping conveying mechanism, 315 is a manual nesting conveying mechanism, and 316 is an inner ring feeding mechanism; 321 is a projection amount detection mechanism, 322 is a standard transfer mechanism; 331 is an inner ring waste material line and an outer ring waste material line, 332 is a manual sleeve removing and conveying mechanism, 333 is a sleeve removing and stepping conveying mechanism, 334 is a blanking turntable mechanism, 335 is a visual code reading mechanism, and 336 is a sleeve removing four-axis robot; 3101, an outer ring feeding station, 3102, an inner ring feeding station, 3103, an inner ring carrying station, 3104, a sleeve assembling station and 3105, a steel ball retainer storage station; 3201 is a protrusion amount detection station, and 3202 is a steel ball retainer; 3301 is a sleeve-removing station, 3302 is an inner ring discharging station, 3303 is a code reading station, 3304 is a turntable blanking station; 3305 is an outer ring discharge station; 340 is a manual operation station, 341 is a steel ball retainer assembly; 3135 is an upper plate, 3136 is a vertical column, 3137 is a lower plate, 3138 is a bearing seat, 3139 is a rotary sleeve, 3140 is a bearing, 3141 is a spacer bush, 3142 is a small round nut i, 3143 is a positioning seat, 3144 is an inner ring supporting seat, 3145 is an inner ring expanding core, 3146 is an upper pressing block, 3147 is a pull rod, 3148 is a spring, 3149 is a spring limiting block, 3152 is an air claw mounting plate, 3153 is a claw cylinder, 3154 is a claw i, 3156 is a claw ii, 3157 is a jacking cylinder, 3158 is a motor mounting seat, 3159 is a rotary motor, 3160 is a speed reducer, 3161 is a driving pulley, 3162 is a driven pulley, 3163 is a synchronous belt, 3164 is a small round nut ii, and 3165 is a push rod; 171 is a base, 172 is a vertical plate, 173 is a transverse plate, 174 is an air bearing, 175 is a lower tool, 176 is a measured bearing, 177 is a sensor, 178 is a step weight assembly, 179 is a counterweight center rod, 1710 is a lifting L-plate, 1711 is a lifting driving member, 1712 is a rotary driving member, 1713 is a connecting sleeve, 1714 is a linear slide rail, 1715 is a ball screw, 1716 is a lifting part, 1717 is a rotary part, 1718 is a counterweight part.
4 is a fitting assembly part, 41 is a fitting assembly rack, 42 is a ball arrangement advancing and retreating component, 43 is a component to be assembled, 44 is a clamping component, 45 is a lifting component, 46 is a rotating component, 411 is a bottom plate, 412 is a column, 413 is an upper plate, 421 is a traversing cylinder, 422 is a cylinder mounting bracket, 423 is a linear sliding rail, 425 is an adapter block, 426 is a ball arrangement block, 441 is a tool, 442 is a clamping jaw, 443 is a tensioning rod, 444 is a tool base, 445 is a pull rod, 446 is a spring, 447 is a spring stopper, 448 is a pin shaft, 449 is a pin shaft buckle, 451 is a lifting cylinder, 452 is a push rod, 461 is a rotating motor, 462 is a speed reducer, 463 is a motor mounting plate, 464 is a driving gear, 465 is a driven gear, 466 is a rotating shaft, 467 is a lower small round nut, 468 is an origin detection piece, 469 is an upper small round nut, 470 is a dust cap, 472 is an upper bearing, 473 is a bearing seat, 474 is a ball receiving housing, 475 is a detection switch bracket, 476 is a detection switch, 4111 is a steel ball inlet, 4112 is a steel ball channel, 4113 is a steel ball outlet, 4114 is a ball distributing curved surface, 4115 is a holder bearing surface, and 4116 is an inner ring bearing surface.
5 is a subsequent detection processing part, 51 is a cleaning part I, 52 is a detection part, 53 is a vibration detection part, 54 is a cleaning part II, 55 is a grease injection gland part, 551 is a grease injection pump, 56 is a laser marking and visual detection part, 57 is an appearance detection part, 58 is a packaging part, 59 is a lifter, 510 is a demagnetizer, and 511 is a storage table.
6 is a control section, 61 is a server.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
The utility model discloses an angular contact bearing automatic assembly production line, this production line include by the automatic pretreatment portion that the conveying part is connected, measurement section, pre-assembly part, fit equipment part and follow-up detection processing part.
The pre-assembly part in the embodiment comprises a pre-assembly feeding part, a pre-assembly sleeve part, a protrusion amount detection part and a sleeve disassembling and blanking part.
The pre-prepared feeding part comprises an inner ring feeding conveying line and an outer ring feeding conveying line; the inner ring 01 and the outer ring 02 are simultaneously conveyed to an outer ring feeding station 3101 and an inner ring feeding station 3102 through conveying lines. The inner ring feeding mechanism 316 pushes the inner ring 01 from the inner ring feeding station 3102 to the inner ring carrying station 3103, and then carries the inner ring to the sleeve combining station 3104 through the sleeve combining stepping carrying mechanism 314.
The fitting part comprises a fitting four-axis robot 312 and a fitting component, and a steel ball retainer placing frame 313 is further arranged on one side of the fitting four-axis robot 312.
An upper plate 3135 and a lower plate 3137 of a pre-matching sleeve component are connected through an upright post 3136, a bearing seat 3138 is installed on the upper plate 3135, a bearing 3140 is installed in the bearing seat 3138, a spacer 3141 is arranged between the two bearings 3140, the lower portion of the bearing 3140 is tightly backed by a small round nut I3142, a rotating sleeve 3139 is installed in the bearing 3140, a through hole which penetrates up and down is formed in the center of the rotating sleeve 3139, a driven pulley 3162 is installed at the lower portion of the rotating sleeve 3139, a small round nut II 3164 is installed at the lower portion of the driven pulley 3162, a driving pulley 3161 is installed on a speed reducer 3160, the speed reducer 3160 is connected with a rotating motor 3159, the rotating motor 3159 is installed on a motor installation seat 3158, the motor installation seat 3158 is installed on the lower plate 3137, and the rotating sleeve.
The positioning seat 3143 is arranged on the rotating sleeve 3139, the inner ring expansion core 3145 is arranged on the positioning seat 3143, a pull rod 3147 is arranged between the positioning seat 3143 and the inner ring expansion core 3145, the upper end of the pull rod 3147 is connected with an upper pressing block 3146, the lower end of the pull rod 3147 is provided with a spring 3148 in series, the lower end of the pull rod 3147 is provided with a spring limiting block 3149, the outer conical surface of the lower end of the upper pressing block 3146 is attached to the inner conical surface of the inner ring expansion core 3145, and the inner ring expansion core 3145 can be expanded under the. An inner ring supporting seat 3144 is arranged on the positioning seat 3143, and the inner ring 01 is placed on the inner ring supporting seat 3144 and tensioned through an inner ring expansion core 3145 during sleeve combination. A top rod 3165 is arranged at the lower part of a central through hole of the rotating sleeve 3139, the top rod 3165 is connected with a jacking cylinder 3157, the jacking cylinder 3157 drives the top rod 3165 to ascend when ascending, the upper end surface of the top rod 3165 contacts with the lower end surface of a spring limiting block 3149 and continues to compress a spring upwards, so that the outer conical surface at the lower end of an upper pressing block 3146 is separated from the inner conical surface of an inner ring expanding core 3145, the inner ring expanding core 3145 is restored inwards, and the inner ring 01 can be freely taken and. The sleeved four-axis robot 312 is mounted on the upper plate 3135, the lower end of a lifting shaft of the four-axis robot 312 is connected with a clamping jaw mounting plate 3152, two clamping jaw air cylinders 3153 are mounted on the clamping jaw mounting plate, a clamping jaw I3154 and a clamping jaw II 3156 are respectively arranged on the clamping jaw mounting plate, and the clamping jaw I3154 and the clamping jaw II 3156 can both buckle the steel ball retainer 3202 or the outer ring on the inner ring 01 under the control of the four-axis robot 312.
The sleeve assembling part and the sleeve disassembling part have the same structure and the opposite actions.
The pre-matching sleeve part is used for tensioning and rotating the inner ring 01, meanwhile, the fitting robot 312 is used for sequentially fitting the steel ball retainer 04 and the outer ring which are grabbed by the pre-matching sleeve part with the inner ring 01 to complete fitting, and then the fitted workpieces are conveyed to the protrusion detection part 3 II through the fitting stepping conveying mechanism 314.
The detection part is a protrusion amount detection part;
the output parts of the sleeve dismounting and blanking part are respectively a blanking turntable and a waste material line.
The pre-assembly part also comprises a steel ball retainer circulating part, the steel ball retainer circulating part comprises a steel ball retainer placing frame 02 close to the nesting robot and a retainer return conveying assembly which is connected with the discharging position of the steel ball retainer of the discharging turntable and conveys the steel ball retainer back to the steel ball retainer placing frame.
The sleeve assembling part mainly comprises a sleeve assembling rack 41, a ball distributing advancing and retreating component 42, a component 43 to be assembled consisting of an inner ring 01 and a retainer 04, a clamping component 44 for clamping and positioning the inner ring and the retainer, a jacking component 45 and a rotating component 46. The clamping component 44 is arranged in the rotating component 46, one side of the clamping component 44 is provided with a ball distribution advancing and retreating component 42, the ball distribution advancing and retreating component 42 comprises a ball distribution block 426 which is driven by a ball distribution driving component to move, the ball distribution block 426 is provided with a steel ball inlet 4111 and a steel ball outlet 4113, a steel ball channel 4112 is arranged between the steel ball inlet 4111 and the steel ball outlet 4113, and a ball outlet end of the ball distribution block is also provided with a ball distribution curved surface 4114 which is communicated with the steel ball outlet 4113 and extrudes a steel ball to enter a ball pocket of the retainer. The ball distributing curved surface 4114 is a smooth concave curved surface gradually contracting towards the ball pocket of the retainer, and the arc length of the curved surface is greater than the width of the ball pocket. The rotation direction of the retainer is the tail end direction of the ball distributing curved surface 4114.
The fitting assembly frame 41 includes a bottom plate 411, a vertical column 412, and an upper plate 413, wherein the vertical column 412 connects the bottom plate 411 and the upper plate 413 at the same time.
The ball distribution driving element of the ball distribution advancing and retreating mechanism 42 comprises a traversing cylinder 421, a cylinder mounting bracket 422, a linear slide rail 423 and a switching block 425, the linear slide rail 423 and the cylinder mounting bracket 422 are mounted on the upper plate 413, the traversing cylinder 421 is fixed by the cylinder mounting bracket 422 and is connected with the switching block 425, the switching block 425 is fixed on a slide block of the linear slide rail 423, the ball distribution block 426 is mounted on the switching block 425, and the ball distribution block 426 can be close to or far away from the assembly 43 to be assembled under the driving of the traversing cylinder 421. The ball arranging advance and retreat portion 42 is provided here, and the driving method is not limited to the cylinder, but may be an electric cylinder, an oil cylinder, and the operation method may be ascending and descending.
The clamping component comprises a tool 441 and a clamping jaw 442, the clamping jaw 442 is connected with a tension rod 443 and is opened and closed under the action of a tension rod driving assembly, the tool 441 is connected to a tool base 444, the upper portion of the tool 441 is provided with a spigot matched with the inner ring and the retainer, the corresponding matching surface is shown in the drawing, the inner ring is matched with an inner ring bearing surface 4116, and the retainer is matched with a retainer bearing surface 4115. The center hole of the clamping jaw 442 coincides with the center hole of the rotating shaft buckle 449, a pin shaft 448 penetrates through the center hole of the clamping jaw 442 and the center hole of the pin shaft buckle 449, and the pin shaft buckle 449, the pin shaft 448 and the clamping jaw 442 are embedded in the groove of the tooling base 444.
The connection mode of the clamping jaw 442 and the tensioning rod 443 is as follows: the lower part of the clamping jaw 442 is provided with a C-shaped groove, a disc protruding outwards from the end part of the tension rod 443 is arranged in the C-shaped groove, and the C-shaped groove wraps the disc at the head part of the tension rod 443. The tension rod driving assembly comprises a jacking driving piece and a push rod 452 connected with the jacking driving piece, the push rod 452 is opposite to the spring limiting block 447, the spring limiting block 447 is matched with a spring 446, and the spring 446 abuts against the end of the tension rod 443. The clamping and releasing actions of the clamping jaws 442 can be completed while the tension rod 443 moves up and down, in this embodiment, a spring 446 is installed at the lower portion of the tension rod 443, a spring limiting block 447 is used to lock a part of potential energy of the spring 446, and the clamping jaws 442 are tightened down by the spring force to be only in a clamping state.
Jacking cylinder 451 in jacking part 45 is installed on upper plate 411, is equipped with ejector pin 452 on jacking cylinder 451, and when jacking cylinder 451 rose, ejector pin 452 can contact with spring stopper 447 to upwards promote clamping jaw 442, clamping jaw 442 reached the relaxed state. When the jacking cylinder 451 descends, the ejector rod 452 can be separated from the spring limiting block 447, and the clamping jaw 442 keeps a clamping state under the action of spring force. The clamping member 44 is mounted within a rotatable member 46 and is rotatable by the rotatable member 46.
The rotating member 46 mainly includes a bearing, a bearing seat 473, and a rotating motor 461, wherein an upper bearing 472 and a lower bearing 471 are installed in the bearing seat 473, the rotating shaft 466 is assembled on the bearing, and a dust cover 470 is installed below the rotating shaft 466, and the back fastening is completed by an upper small round nut 469. The rotation shaft 466 is further provided with a driven gear 465 downward, the position is limited by a lower small round nut 465, an origin detecting piece 468 is arranged between the small round nuts 465, the driving gear 464 is arranged on the speed reducer 462, the speed reducer 462 is fixed on the lower plate 411 through a motor mounting bracket 463, the rotation motor 461 is connected with the speed reducer 462, and the rotation shaft can rotate through gear transmission under the driving of the rotation motor 461. The rotation mode can be various, for example, the belt and the friction wheel can be in the form of a belt, the number of rotation turns can be counted by the groove-shaped switch 476, the groove-shaped switch 476 is installed on the detection switch bracket 475, the origin detection piece 468 is provided with four evenly distributed 'wings', and a signal can be sent out once the wings pass through the groove-shaped switch 476; the counting form is not limited to a groove type switch and a proximity switch, a photoelectric switch can be realized, and the number of wings of the origin detection piece is at least 1.
The corresponding method is that the inner ring and the outer ring are matched together in the whole assembly detection process. The automatic assembly method comprises the following steps:
1) and preprocessing the inner ring and the outer ring to be matched.
Preprocessing includes sensor orientation recognition; automatically cleaning the surface of the workpiece; the mark is used as an error-proof code matched with the inner ring, and an alarm is given in time once the mismatching phenomenon occurs in the subsequent process; and (5) cleaning the workpiece.
2) And measuring the inner ring and the outer ring to be matched.
Three-coordinate measurement related parameters: and measuring the relevant parameters of the inner diameter, the outer diameter, the taper, the thickness, the roundness, the verticality and the like of the workpiece to measure the dimension and the form and position tolerance. And (4) carrying out fixed-point detection on the single workpiece for 50 times, conveying the qualified workpiece to a conveying line by a robot after detection, and putting the unqualified workpiece into a rejection trough.
3) Pre-matching an inner ring and an outer ring to be matched with a standard retainer part with a steel ball to obtain a pre-matched assembly part; measuring the protrusion amount of the pre-assembled part, and removing the pre-assembled part after the protrusion amount is measured; comparing the measured value of the protrusion amount with the theoretical value of the protrusion amount, and obtaining the result:
in a specified range, selecting proper steel ball gauge values according to the specific values and marking in parallel; the inner ring and the corresponding outer ring of the waste material line are fed out of the specified range;
in specific implementation, the method can be carried out according to the following steps:
31) the inner ring and the outer ring are respectively conveyed to an inner ring feeding component and an outer ring feeding component through a pre-prepared feeding part;
32) the pre-matched grabbing component grabs the outer ring and the steel ball retainer standard part and conveys the outer ring and the steel ball retainer standard part to a pre-matched sleeve position to complete pre-matched sleeve, and a pre-matched assembly part is obtained;
33) the pre-assembly part is conveyed to a protrusion detection part for protrusion detection, and identification and classification are carried out according to the protrusion detection result, wherein the identification refers to that the inner ring and the outer ring which exceed the allowable range of the protrusion value are identified as unqualified and qualified, and the classification refers to that the most matched steel ball gauge value is calculated according to the protrusion value for the pre-assembly part with qualified protrusion detection value;
34) and (3) dismantling the pre-assembled part, outputting the inner ring and the outer ring of the disassembled pre-assembled part identified as unqualified through a scrap line, outputting the inner ring and the outer ring of the disassembled pre-assembled part identified as qualified through a blanking turntable in pairs, and recycling the dismantled standard retainer part.
4) The inner ring, the outer ring, the retainer and the steel balls with the gauge size are distributed and then assembled in a sleeved mode, and a plurality of steel balls with different gauges are pre-arranged; the assembly after ball distribution refers to: the inner ring and the retainer are fixed on the tool and rotate together; the space between the steel balls meeting the specification requirement and the retainer is gradually reduced under the extrusion of the ball distribution curved surface, and the steel balls fall from the steel ball outlet and are distributed into the ball pockets of the retainer one by one under the rotating state; and pressing the outer ring on the inner ring and the retainer to form a complete angular contact ball bearing.
5) Carrying out subsequent detection and post-treatment on the assembled angular contact ball bearing;
the subsequent detection refers to the detection of the protrusion amount, the detection of the contact angle, the detection of the flexibility and the detection of the vibration of the angular contact ball bearing assembled by the assembling sleeve. The post-treatment refers to the cleaning, grease injection and gland and rust prevention treatment of the angular contact ball bearing.
And conveying and circulating the workpieces among the steps according to the assembly line beat.
The retainer standard component is a retainer provided with steel balls, the number of the steel balls is less than that of the ball pockets, for example, 3 or 5 steel balls can be assembled into the retainer, the steel balls are uniformly distributed on the retainer, the retainer standard component is constructed, the installation state of the real steel balls on the retainer can be completely simulated, and the subsequent protrusion measurement value is accurate.
Claims (3)
1. An automatic production line of angular contact ball bearings is characterized by comprising a pretreatment part, a measurement part, a pre-preparation part, a fitting assembly part and a subsequent detection processing part which are connected by an automatic conveying part; the pre-assembly part comprises a pre-assembly feeding part, a pre-assembly sleeve part, a protrusion amount detection part and a sleeve disassembling and blanking part;
the pre-matched feeding part comprises an inner ring feeding conveying line and an outer ring feeding conveying line;
the pre-matched sleeve part comprises a sleeve-combining robot, one side of the sleeve-combining robot is also provided with a steel ball retainer placing frame, an inner ring is placed on an inner ring expansion core, the inner ring expansion core is arranged on a positioning seat, the inner ring expansion core is connected with an expansion core driving assembly, the positioning seat is arranged on a rotating sleeve, and the rotating sleeve is connected with the rotating sleeve driving assembly; the clamping jaw I and/or the clamping jaw II are/is used for buckling the outer ring or the steel ball retainer on the inner ring under the control of the fitting robot;
the sleeve-removing and blanking component conveys the detected inner ring and outer ring to a blanking turntable or a waste material line in pairs according to different detection results of the protrusion amount;
the sleeve assembling part comprises a ball distributing part and a sleeve assembling part, the ball distributing part comprises a clamping part for clamping a component to be assembled, the clamping part is arranged in the rotating part, one side of the clamping part is provided with a ball distributing advancing and retreating part, the ball distributing advancing and retreating part comprises a ball distributing block which moves under the driving of a ball distributing driving part, the ball distributing block is provided with a steel ball inlet and a steel ball outlet, a steel ball channel is arranged between the steel ball inlet and the steel ball outlet, the ball outlet end of the ball distributing block is also provided with a ball distributing curved surface which is communicated with the steel ball outlet and extrudes the steel ball to enter a ball pocket of the retainer, and the sleeve assembling part comprises a sleeve assembling robot and a heating; the output end of the heating sleeve assembly is connected with the input end of the subsequent detection processing part.
2. The automatic production line for angular contact ball bearings according to claim 1, wherein the pre-assembly part further comprises a steel ball retainer circulating part, the steel ball retainer circulating part comprises a steel ball retainer placing frame close to the fitting robot, and a retainer return conveying assembly connected with a discharging position of the steel ball retainer of the discharging turntable and conveying the steel ball retainer back to the steel ball retainer placing frame.
3. An automatic production line for angular contact ball bearings according to claim 1, characterized in that: the sleeve disassembling and blanking part comprises a sleeve disassembling robot, one side of the sleeve disassembling robot is a blanking turntable, and the other side of the sleeve disassembling robot is a waste material line; the sleeve disassembling component comprises a rotary sleeve and an inner ring expansion core, the inner ring is placed on the inner ring expansion core, the inner ring expansion core is arranged on a positioning seat, the inner ring expansion core is connected with an expansion core driving assembly, the positioning seat is installed on the rotary sleeve, and the rotary sleeve is connected with a rotary sleeve driving assembly; the clamping device further comprises a clamping jaw I and/or a clamping jaw II which are/is used for outputting the outer ring or the steel ball retainer outwards to a specified position under the control of the sleeve dismounting robot.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022213535.0U CN212717669U (en) | 2020-10-08 | 2020-10-08 | Automatic production line for angular contact ball bearings |
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| CN202022213535.0U CN212717669U (en) | 2020-10-08 | 2020-10-08 | Automatic production line for angular contact ball bearings |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135587A (en) * | 2021-11-30 | 2022-03-04 | 中车贵阳车辆有限公司 | Bearing fit cleaning system |
| CN114623166A (en) * | 2022-04-06 | 2022-06-14 | 福建福南轴承有限公司 | Assembly machine for spherical bearing and assembly process thereof |
| CN117161728A (en) * | 2023-11-02 | 2023-12-05 | 南通中兴轴承有限公司 | Bearing installation device and bearing installation method |
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2020
- 2020-10-08 CN CN202022213535.0U patent/CN212717669U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135587A (en) * | 2021-11-30 | 2022-03-04 | 中车贵阳车辆有限公司 | Bearing fit cleaning system |
| CN114623166A (en) * | 2022-04-06 | 2022-06-14 | 福建福南轴承有限公司 | Assembly machine for spherical bearing and assembly process thereof |
| CN114623166B (en) * | 2022-04-06 | 2024-03-19 | 福建福南轴承有限公司 | Outer spherical bearing assembly machine and assembly process thereof |
| CN117161728A (en) * | 2023-11-02 | 2023-12-05 | 南通中兴轴承有限公司 | Bearing installation device and bearing installation method |
| CN117161728B (en) * | 2023-11-02 | 2024-04-05 | 南通中兴轴承有限公司 | Bearing installation device and bearing installation method |
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