CN210769879U

CN210769879U - Automatic bearing production line

Info

Publication number: CN210769879U
Application number: CN201920995709.8U
Authority: CN
Inventors: 郑钦勋; 陈泽华; 汪杰
Original assignee: Wuxi Shuangyi Precision Machinery Co Ltd
Current assignee: Wuxi Shuangyi Precision Machinery Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-06-16
Anticipated expiration: 2029-06-28

Abstract

The utility model relates to a bearing processing technology field specifically is a bearing automatic production line, it can conveniently realize the automatic assembly and the washing of bearing, reduce intensity of labour, guarantee the cleaning performance, raise the efficiency, it includes the dress ball mechanism, wiper mechanism, the junk ring mechanism of impressing that arrange in order, the assembly of all steel balls can be accomplished in one operation of dress ball mechanism, the quick automatic dress ball operation of accomplishing has improved whole assembly efficiency, separate outer lane, upper inner circle, lower inner circle of bearing during the washing, then wash upper inner circle, lower inner circle, outer lane of bearing respectively through washing the structure; the separate washing mode can clean all parts of the bearing more thoroughly, ensures the cleaning effect, automatically feeds the bearing and the lining ring respectively when the lining ring is pressed in, finishes the pressing-in operation at the lining ring pressing-in mechanism, discharges from the discharging mechanism after being detected by the lining ring detecting mechanism, and the conveying mechanism realizes the conveying of the bearing among different mechanisms, thereby improving the assembly efficiency.

Description

Automatic bearing production line

Technical Field

The utility model relates to a bearing processing technology field specifically is a bearing automatic production line.

Background

Some types of bearings have a structure comprising an outer ring and two inner rings, and the structure of the bearing comprises the outer ring, an upper inner ring, a lower inner ring and a steel ball; when the bearing is assembled, because the play value parameters need to be adjusted, the outer ring and the two corresponding inner rings are configured one by one through the processes of measurement and the like, the steel balls are installed in the steel ball channels in the inner cavity of the outer ring through the retainers, then the upper inner ring and the lower inner ring are respectively placed in the outer ring, and finally the lining rings are installed to fix the two inner rings. In the production and measurement process, the parts are provided with impurities such as scrap iron, and therefore before the lining ring is installed, the parts need to be cleaned, and the operation of final assembly is completed. At present, the operations of pressing in steel balls, cleaning bearings and pressing in the last lining ring are all manually operated, a worker inserts a plurality of steel balls into a retainer one by one during ball loading and then puts the steel balls back on a conveying line, the labor intensity is high, the manual inner ring, the manual outer ring, the retainer and the steel balls are washed by high-pressure oil as a whole during cleaning, but the problem of incomplete washing can be caused by using the existing equipment to wash the bearings with double inner rings, the last lining ring pressing in is also manually operated, the pressing in is inconvenient, and the overall efficiency is low.

Disclosure of Invention

Big in order to solve current bearing assembly intensity of labour, the washing is unclean, problem of inefficiency, the utility model provides a bearing automatic production line, its automatic assembly that can conveniently realize the bearing and wash reduces intensity of labour, guarantees the cleaning performance, raises the efficiency.

The technical scheme is as follows: the automatic bearing production line is characterized by comprising a ball loading mechanism, a cleaning mechanism and a lining ring press-in mechanism which are sequentially arranged, wherein the ball loading mechanism comprises a ball loading workbench, a retainer supporting die is mounted on the ball loading workbench, retainer steps are arranged on the upper end surface of the retainer supporting die, a lower ball mounting plate is arranged above the retainer supporting die and connected with a lifting driving device, a penetrating ball loading shaft is mounted on the lower ball mounting plate and connected with a rotation driving device to rotate, a ball falling channel is arranged in the ball loading shaft, a convex ring is arranged on the outer peripheral surface of the ball loading shaft, and the lower end surface of the convex ring is an inclined surface; a retainer pressing die matched with the retainer supporting die is movably sleeved on the ball mounting shaft at the convex ring; the ball falling port is arranged below the convex ring, the side surface of the ball loading shaft is provided with a ball outlet of the ball falling channel, the retainer supporting die is internally provided with a cavity matched with the ball loading shaft, the supporting table is arranged above the ball loading shaft, the supporting table is provided with a ball falling port corresponding to a ball inlet of the ball falling channel, the ball falling port is provided with a movable ball storage body, the ball storage body is connected with a ball outlet driving device, the ball storage body is internally provided with a ball storage channel and an air blowing channel, and compressed air is introduced into the air blowing channel; the cleaning mechanism comprises a feeding structure, a separating mechanism, a flushing structure and a discharging structure, wherein the separating mechanism comprises a lower inner ring feeding channel, a lower inner ring removing structure and an upper inner ring removing structure; the ball-loading device is characterized in that an outer ring workbench and an inner ring workbench are respectively arranged above two ends of the lower inner ring feeding channel, the feeding structure and the discharging structure are respectively arranged at two ends of the outer ring workbench and the inner ring workbench, the feeding structure is arranged corresponding to the ball-loading workbench, a first material ejecting rod and a second material ejecting rod are respectively arranged below the same end of the outer ring workbench and the inner ring workbench through material ejecting air cylinders, the material ejecting rods respectively penetrate through two ends of the lower inner ring feeding channel from bottom to top and extend to the lower end faces of the outer ring workbench and the inner ring workbench, the inner ring workbench and the outer ring workbench are positioned above the material ejecting rods, lower inner ring separation through holes are respectively arranged, the diameter of the lower inner ring separation through holes is smaller than that of an outer ring of a bearing to be cleaned and larger than that of an inner ring of the bearing to be cleaned, and the material taking position of the upper inner ring removing structure is arranged on the outer ring workbench At least one of (1) and (b); the unloading position of the upper inner ring moving-away structure is arranged at an upper inner ring initial station on the inner ring workbench, the horizontal stroke of a lower inner ring fork plate of the lower inner ring starts from the position between the first ejector rod and the second ejector rod, the lower inner ring moving-away structure comprises a concave-shaped lower inner ring fork plate, the lower inner ring fork plate is connected to a piston rod of a front pushing cylinder and a rear pushing cylinder through a connecting plate, and the front pushing cylinder and the rear pushing cylinder are arranged on the lower inner ring moving-away rodless cylinder; the vertical strokes of the first material pushing rod and the second material pushing rod respectively start and stop between the platform surface of the outer ring workbench, the platform surface of the inner ring workbench and the platform surface of the lower inner ring feeding channel, and the discharge port of the feeding structure is communicated with the inner ring split through hole of the inner ring workbench; the washing structures are respectively arranged above the washing stations of the outer ring workbench and the inner ring workbench; the lining ring pressing-in mechanism comprises a bearing feeding mechanism, is used for realizing automatic feeding of the bearing and is arranged corresponding to the discharging structure; the lining ring pressing mechanism is used for realizing automatic feeding of the lining ring and pressing the lining ring into an inner ring of the bearing; a lining ring detection mechanism for detecting whether the lining ring is pressed in correctly; the blanking mechanism is used for realizing blanking of the assembled bearing; and the conveying mechanism is used for conveying the bearings among different mechanisms.

The device is further characterized in that a guide slide rail is arranged on the support table, and the ball outlet driving device is a transverse cylinder connected with the ball storage body; the ball storage channel and the air blowing channel are arranged in parallel, and the sizes of the ball storage channel and the air blowing channel are smaller than that of the ball falling port; the rotary driving device comprises a synchronous belt pulley sleeved on the ball mounting shaft and a first motor arranged on the supporting table, a driving belt pulley matched with the synchronous belt pulley is arranged on an output shaft of the first motor, and the synchronous belt pulley is connected with the driving belt pulley through a synchronous belt; the synchronous belt wheel is arranged at the upper end of the ball loading shaft, and an inlet at the top of the ball falling channel is of a bell mouth structure with a large upper part and a small lower part; a bearing seat is arranged on the supporting table, and a bearing matched with the ball mounting shaft is arranged in the bearing seat;

the bottom of the lower ball mounting plate is fixedly connected with one end of a guide shaft, the other end of the guide shaft penetrates through the retainer pressing die, and a spring is sleeved on the portion, located between the lower ball mounting plate and the retainer pressing die, of the guide shaft; the retainer supporting die is movably arranged on the lower ball mounting plate, and a retainer supporting cylinder matched with the retainer supporting die is arranged below the retainer supporting die; the lower ball mounting plate is slidably mounted on the side support frame, the lifting driving device comprises a second motor vertically mounted on the top of the side support frame, the second motor is connected with a ball screw, a screw nut is mounted on the ball screw, a screw nut fixing plate is mounted on the screw nut, pressure shafts are respectively mounted on two sides of the screw nut fixing plate, a pressing block is mounted at the bottom of each pressure shaft, a pressure sensor mounted on the lower ball mounting plate is arranged below each pressing block, a limiting block is arranged on one side of each pressing block, and each pressing block is located between each limiting block and the pressure sensor;

the upper inner ring moving-away structure comprises an upper inner ring overturning structure and an upper inner ring moving structure; the upper inner ring overturning structure comprises a material taking claw, the upper inner ring clamping claw is arranged on a first up-down transfer cylinder through a clamping cylinder, the first up-down transfer cylinder is arranged on a rotary cylinder, and the rotary cylinder is fixed on a base located on one side of the outer ring workbench through a first support; the upper inner ring transferring structure comprises a discharging claw, the discharging claw is arranged on a second up-and-down moving cylinder through a clamping jaw cylinder, the second up-and-down moving cylinder is arranged on an upper inner ring transferring rodless cylinder, the upper inner ring transferring rodless cylinder is arranged on the base on one side of the outer ring workbench through a second support, and the material taking position of the discharging claw is arranged at the position where the discharging claw turns over after taking materials; the feeding structure comprises a feeding belt, the feeding belt is driven by a belt motor, and the feeding hole and the discharging hole are respectively arranged at two ends of the feeding belt; a material sensor is arranged at the discharge port, and a full material sensor is arranged at the middle section of the belt;

the cleaning mechanism further comprises a transferring and clamping structure and a demagnetizing structure, the moving and clamping structure comprises clamping plates which are arranged in pairs, the clamping plates are symmetrically fixed on sliding seats positioned on two sides of a workpiece to be cleaned respectively, and the bottom ends of the sliding seats on the two sides are fixedly connected with parallel racks extending towards each other respectively; a gear is arranged on the base, is arranged between the two parallel racks and is meshed with the two racks simultaneously; the bottom end of the sliding seat is arranged on a clamping guide rail through a sliding block, the clamping guide rail is arranged on the base, a clamping cylinder is arranged on the base, and a driving rod of the clamping cylinder is connected with one side of the sliding seat on two sides; the bottom end of the base is arranged on a transfer guide rail through a sliding block, a conveying cylinder is arranged on one side of the base in parallel with the transfer guide rail, and a piston rod of the conveying cylinder is connected with the base through an extension plate; the demagnetizing structure comprises a demagnetizing machine and a demagnetizing transfer structure, the demagnetizing transfer structure comprises a demagnetizing clamping ring plate, the demagnetizing clamping ring plate is arranged on an upper cylinder and a lower cylinder, the upper cylinder and the lower cylinder are arranged on a rodless cylinder for demagnetization, and the rodless cylinder for demagnetization is arranged on one side of the feeding structure through a support; a clamping groove is arranged on the demagnetizing pressure ring plate; the demagnetizer is connected with the discharge port in the feeding structure through a material channel; the material clamping groove on the demagnetizing ring pressing plate is arranged above the material channel; an outlet of the demagnetizer is communicated with the inner ring split through hole of the inner ring workbench through a material channel;

the flushing structure comprises a high-pressure sprayer and a supporting structure, the high-pressure sprayer comprises a spray header, one end of the spray header is provided with an oil inlet, the other end of the spray header is inwards sunken to form a spray opening, and the oil inlet is communicated with the spray opening through a flow guide channel; the inlets of the flow guide channels are uniformly distributed at intervals in the circumferential direction with the central axis of the spray header as the central line; the flow guide channels are respectively straight flow channels, included angles are formed between the flow guide channels and a vertical line passing through an inlet of the flow channel, and no intersection point exists between the flow guide channels and the central axis of the spray header; the included angles between all the flow guide channels and the vertical line passing through the inlet of the flow channel are the same; the spray header is arranged on the bottom end surface of the spray guide pipe through a spray cover plate with a circular ring-shaped cross section; the high-pressure spray head is arranged right above the cleaning station through the supporting structure; the support structure comprises a spray cylinder fixing plate, a spray driving cylinder is fixed on the spray cylinder fixing plate, two ends of the spray driving cylinder fixing plate are respectively provided with a linear bearing, two ends of a moving plate are respectively provided with a guide rod, the guide rods downwards respectively penetrate through the linear bearings, the bottom end of the guide rods is connected with a spray head fixing plate, a piston rod of the spray driving cylinder is connected with the moving plate, and the spray driving cylinder fixing plate is fixed on the ground through a portal frame; the high-pressure spray head is fixedly arranged at the bottom end of the spray head fixing plate; the spray head fixing plate is arranged right above the cleaning station;

the vertical section of the top end of the spray header is in a concave shape; the vertical section of the spraying cover plate is T-shaped, the vertical part of the spraying cover plate extends into the concave part of the spraying head, and the space between the bottom end surface of the vertical part of the spraying cover plate and the concave part of the spraying head forms the oil inlet interface; the transverse part of the spray cover plate is fixed on the upper end surface of the spray head; the top end surface of the spraying port is in a circular truncated cone shape;

the vertical section of the top end of the spray header is convex; the vertical section of the spraying cover plate is in a door shape, and the thickness of the vertical part of the spraying cover plate is matched with and fixedly connected with the concave parts at the two sides of the top end of the spraying head; the space between the bottom end face of the transverse part of the spraying cover plate and the top end face of the spraying head forms the oil inlet interface; the high-pressure spray head also comprises an inner ring positioning head, an upward concave positioning ring is arranged on the top end surface of the spray opening, one end of the inner ring positioning head is connected with the top end surface of the positioning ring, and the other end of the inner ring positioning head vertically extends downwards; the diameter between the circle centers of the two inner ring positioning heads on the same diameter is equal to the diameter of a workpiece to be cleaned;

the cleaning mechanism further comprises a blow-drying structure, the blow-drying structure comprises a blow-drying head, one end of the blow-drying head is provided with an air inlet, the other end of the blow-drying head is inwards sunken to form an air outlet, and the air inlet is communicated with the air outlet through a vent hole; the inlets of the vent holes are uniformly distributed at intervals in the circumferential direction with the central axis of the blow-drying head as the central line; the air vents are respectively straight line channels, included angles are formed between the air vents and a vertical line passing through the inlet of the channels, and no intersection point exists between the air vents and the central axes of the air vents and the drying head; the included angles between all the vent holes and the vertical line passing through the inlet of the flow channel are the same; the blow-drying head is arranged on the bottom end surface of the blow-drying air pipe through a blow-drying cover plate with a circular cross section; the vertical section of the top end of the blow-drying head is convex; the vertical section of the blow-drying cover plate is in a shape of a Chinese character 'men', and the thickness of the vertical part of the blow-drying cover plate is matched with and fixedly connected with the concave parts at the two sides of the top end of the blow-drying head; the space between the bottom end surface of the transverse part of the blow-drying cover plate and the top end surface of the blow-drying head forms the air inlet; the top end of the blow-drying air pipe is connected with an air inlet device; the blow-drying structure is arranged right above the blow-drying station through a blow-drying support knot; a buffer spring is arranged on the outer circumference of the blow-drying air pipe; a shaft clamp spring is further arranged on the periphery of the blow-drying air pipe; the blow-drying head also comprises a blow-drying inner ring positioning head, and the blow-drying inner ring positioning head is arranged in the inner cavity of the air outlet at the bottom end of the blow-drying head and extends downwards; the transfer clamping structure comprises an inner ring transfer clamping structure and an outer ring transfer clamping structure, the outer ring transfer clamping structure is provided with a clamping plate which is a V-shaped plate at one station, and the inner ring transfer clamping structure is provided with a clamping plate which is a W-shaped plate at two stations.

After the utility model is adopted, the retainer is fixed through the retainer supporting die and the retainer pressing die, the ball loading shaft extends into the retainer to enable the ball outlet to correspond to the retainer, steel balls in a ball storage channel on the ball storage body enter the ball falling channel, the ball loading shaft is rotated for at least one circle and matched with the air blowing channel to blow air to drop the small balls onto the retainer, the ball loading shaft presses the small balls into the retainer through the inclined plane of the lower end surface of the convex ring, the assembly of all the steel balls can be completed by one-time operation, the automatic ball loading operation can be rapidly completed, the integral assembly efficiency is improved, when the ball loading shaft is cleaned, the outer ring, the upper inner ring and the lower inner ring of the bearing are separated through the matching of a material ejection rod, an inner ring separation hole and an upper inner ring removing structure in the separation structure, the lower inner ring and the upper inner ring are respectively removed to the inner ring workbench through the lower inner ring removing structure and the upper inner ring, then washing the upper inner ring, the lower inner ring and the outer ring of the bearing respectively through a washing structure; the separate washing mode can clean all parts of the bearing more thoroughly, ensures the cleaning effect, and finally, when the lining ring is pressed in, the bearing and the lining ring are respectively and automatically fed, the pressing-in operation is completed at the lining ring pressing-in mechanism, the bearing is discharged from the discharging mechanism after being detected by the lining ring detection mechanism, the conveying mechanism realizes the conveying of the bearing among different mechanisms, the automatic pressing-in operation of the lining ring is realized, and the assembly efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of a ball loading mechanism;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic view of a retainer pressing mold and a retainer supporting mold

FIG. 5 is a schematic top view of the cleaning mechanism;

FIG. 6 is a schematic view of the overall structure of the cleaning mechanism in front view;

FIG. 7 is a schematic diagram of a feed structure;

fig. 8 is a schematic structural view of a demagnetizing transfer structure;

FIG. 9 is a perspective view of a detachment configuration and a flushing configuration;

FIG. 10 is an enlarged view of the structure at A;

FIG. 11 is a structural diagram of an upper inner ring overturning structure;

FIG. 12 is a schematic view of an upper inner race transfer configuration;

FIG. 13 is a schematic sectional view of a high pressure showerhead of a cleaning mechanism according to a first embodiment;

FIG. 14 is a schematic bottom view of a first embodiment of a high pressure showerhead of the purge mechanism;

FIG. 15 is a schematic perspective view of a bottom-up flow guide of a high pressure nozzle of the cleaning mechanism;

FIG. 16 is a schematic view of a support structure of the cleaning mechanism

FIG. 17 is a schematic structural view of a second embodiment of a high pressure showerhead of the purge mechanism;

FIG. 18 is a schematic sectional view of the shower head taken along the line A-A;

FIG. 19 is a schematic view of a blow drying configuration;

FIG. 20 is a schematic structural view of a tapping structure;

FIG. 21 is a schematic view showing a structure of a gasket pressing-in pattern mechanism;

FIG. 22 is a front view of a bearing loading configuration;

FIG. 23 is a top view of the bearing feed mechanism;

FIG. 24 is a schematic view of a weighing mechanism;

FIG. 25 is a schematic view of a first/second NG mechanism;

FIG. 26 is a schematic view of a gasket pressure tapping mechanism;

FIG. 27 is an enlarged view taken at A in FIG. 26;

fig. 28 is a schematic view of a liner take off head;

FIG. 29 is a schematic view of a gasket detection configuration;

fig. 30 is a schematic view of the conveyance mechanism.

Detailed Description

As shown in figures 1 to 30, an automatic bearing production line comprises a ball loading mechanism 1, a cleaning mechanism 2 and a lining ring pressing-in mechanism 3 which are sequentially arranged, wherein the ball loading mechanism comprises a ball loading workbench 1-1, a retainer supporting die 1-2 is arranged on the workbench 1-1, a retainer step is arranged on the upper end surface of the retainer supporting die 1-2, an upper step surface 1-2-1 is used for supporting a steel ball, a lower step surface 1-2-2 is used for supporting a retainer, the bottom of a bearing outer ring is directly supported on the table surface of the workbench 1-1, a lower ball mounting plate 1-3 is arranged above the retainer supporting die 1-2, the lower ball mounting plate 1-3 is connected with a lifting driving device, a penetrating ball loading shaft 1-4 is arranged on the lower ball mounting plate 1-3, and the ball loading shaft 1-4 is connected with a rotating driving device to realize rotation, a ball falling channel 1-5 is arranged in the ball mounting shaft 1-4, a convex ring 1-6 is arranged on the outer peripheral surface of the ball mounting shaft 1-4, the ball mounting shaft and the convex ring are of an integral structure, and the lower end surface of the convex ring is an inclined surface; the bottom of a retainer pressing die 1-7, which is movably sleeved on the ball mounting shaft 1-4 and is matched with the retainer supporting die 1-2, of the retainer pressing die 1-7 is provided with step surfaces 1-7-1 and 1-7-2 which respectively correspond to the retainer and play a role in yielding, so that the retainer and the bearing outer ring are respectively fixed, and the steel ball is not influenced by the retainer pressing die 1-7; the ball discharging device is positioned below the convex ring 1-6, the side surface of the ball loading shaft 1-4 is provided with a ball discharging port 1-8 of a ball falling channel 1-5, the interior of the retainer supporting die 1-3 is provided with a cavity matched with the ball loading shaft 1-4, a supporting table 1-9 is arranged above the ball loading shaft 1-4, the supporting table 1-9 is provided with a ball falling port 1-10 corresponding to a ball inlet of the ball falling channel 1-5, the ball falling port 1-10 is provided with a movable ball storage body 1-11, the ball storage body 1-11 is connected with a ball discharging driving device, the ball storage body 1-11 is internally provided with a ball storage channel 1-12 and an air blowing channel 1-13, and compressed air is introduced into the air blowing channel 1-13.

The support table 1-9 is provided with guide slide rails 1-14, the ball discharging driving device is a transverse cylinder 1-15 connected with the ball storage body 1-11, and the ball storage body 1-11 is driven to move by the transverse cylinder 1-15, so that the ball storage channel 1-12 and the air blowing channel 1-13 are respectively aligned with the ball falling port. The ball storage channels 1-12 and the air blowing channels 1-13 are arranged in parallel, and the sizes of the ball storage channels 1-12 and the air blowing channels 1-13 are smaller than that of the ball falling openings 1-10, so that the steel balls 1-16 can fall conveniently.

The rotary driving device comprises synchronous belt wheels 1-17 sleeved on the ball-mounting shafts 1-4 and first motors 1-18 arranged on the supporting tables 1-9, driving belt wheels 1-19 matched with the synchronous belt wheels 1-17 are arranged on output shafts of the first motors 1-18, and the synchronous belt wheels 1-17 are connected with the driving belt wheels 1-19 through synchronous belts 1-20; the synchronous belt wheels 1-17 are arranged at the upper ends of the ball mounting shafts 1-4, and the inlets at the tops of the ball falling channels 1-5 are of a bell mouth structure with a large upper part and a small lower part, so that balls can be conveniently fed; the support table 1-9 is provided with a bearing seat 1-20, a bearing matched with the ball mounting shaft 1-4 is arranged in the bearing seat 1-20, and the first motor 1-18 can realize the rotation of the ball mounting shaft 1-4.

The bottom of the lower ball mounting plate 1-3 is fixedly connected with one end of two guide shafts 1-21, the other end of each guide shaft 1-21 penetrates through the retainer pressing die 1-7, and a spring 1-22 is sleeved on the part, located between the lower ball mounting plate 1-3 and the retainer pressing die 1-7, of each guide shaft 1-21.

The retainer supporting die 2 is movably arranged on the lower ball mounting plate 1-3, and the retainer supporting cylinder 1-23 matched with the retainer supporting die is arranged below the retainer supporting die 1-2, so that the retainer can be jacked up after being demoulded, and the supporting function is achieved.

The lower ball mounting plate 1-3 is slidably mounted on the side support frame 1-24, the lifting driving device comprises a second motor 1-25 vertically mounted on the top of the side support frame, the second motor 1-25 is connected with a ball screw 1-26, a screw nut is mounted on the ball screw 1-26, a screw nut fixing plate 1-27 is mounted on the screw nut, pressure shafts 1-28 are respectively mounted on two sides of the screw nut fixing plate 1-27, pressing blocks 1-29 are mounted at the bottoms of the pressure shafts 1-28, pressure sensors 1-30 mounted on the lower ball mounting plate are arranged below the pressing blocks 1-29, inverted L-shaped limiting blocks 1-31 are arranged on one sides of the pressing blocks 1-29, and the pressing blocks 1-30 are located between the limiting blocks 1-31 and the pressure sensors 1-30. The pressure sensors 1-30 can detect the pressure at the time of the ball pressing operation.

The utility model discloses the theory of operation as follows: the piston rod of the retainer supporting cylinder 1-23 retracts to enable the upper end face of the retainer supporting die 1-2 to be lower than the surface of the workbench 1-1, then the bearing is conveyed from a previous station, the retainer supporting die 1-2 is lifted to support the retainer, steel balls are placed in a ball storage channel 1-12 of a ball storage body 1-11 in advance, when the ball loading operation is needed, the transverse cylinder 1-15 drives the ball storage body 1-11 to move, the bottom of the ball storage channel 1-12 is aligned to a ball falling port 1-10 on a supporting table 1-9, the steel balls enter a ball falling channel 1-5 of a ball loading shaft 1-4, then the transverse cylinder 1-15 drives the ball storage body 1-11 to move, the bottom of an air blowing channel 1-13 is aligned to the ball falling port 1-10 on the supporting table 1-9 to prepare for air blowing operation, the second motor 1-25 works to drive the ball screw 1-26 to rotate, so that the nut fixing plate 1-27 descends, the pressing block 1-29 descends and presses the lower ball mounting plate 1-3 to move downwards to the retainer pressing die 1-7 to abut against the retainer, at the moment, air is blown in the air blowing channel 1-13, the lower ball mounting plate 1-3 continues to press downwards the ball loading shaft 1-4, the retainer pressing die 1-7 cannot continue to press downwards under the action of the spring 1-22, when the ball outlet 1-8 on the ball loading shaft 1-4 is consistent with the position of the ball loading hole of the retainer, the ball loading shaft 1-4 rotates to simultaneously blow air to enable a plurality of steel balls to enter each ball loading hole on the retainer, the ball loading shaft rotates for 1.5 circles generally to ensure that balls enter each position, and the lower ball mounting plate 1-3 continues to press downwards, the steel ball is pressed into the retainer through the convex rings 1-6 on the ball loading shafts 1-4 (air is kept blowing all the time in the process), after the ball pressing is finished, the nut fixing plates 1-27 are lifted, the ball unloading mounting plates 1-3 are lifted through the matching of the pressing blocks 1-29 and the limiting blocks 1-31, the ball loading shafts 1-4 are separated from the bearing, the retainer lifts the piston rods of the cylinders 1-23 to retract so that the retainer supporting molds 1-2 are also separated from the bearing, and the bearing after the ball loading operation can be continuously conveyed backwards to the cleaning mechanism 2. All the pressing processes are monitored by the pressure sensor in the whole process, and if the pressure is abnormal, the machine is stopped to alarm to ensure the safety.

The cleaning mechanism 2 comprises a feeding structure 2-1, a washing structure 2-7, a blow-drying structure 2-8 and a discharging structure 2-9, and the separating structure comprises a lower inner ring feeding channel 2-3-6, a lower inner ring removing structure and an upper inner ring removing structure; the outer ring workbench 2-23 and the inner ring workbench 2-22 are respectively arranged above the two ends of the lower inner ring feeding channel 2-3-6;

the feeding structure 2-1 and the discharging structure 2-9 are respectively positioned at two ends of the outer ring workbench 2-22 and the inner ring workbench 2-23; the discharge hole of the feeding structure 2-1 is communicated with the inner ring split through hole 2-17 of the inner ring workbench 2-22; and flushing structures 2-8 are respectively arranged above the flushing stations 2-13 of the outer ring workbench 2-23 and the inner ring workbench 2-22.

A first material ejecting rod 2-3-1 and a second material ejecting rod 2-3-9 are arranged below one end of each of the outer ring workbench 2-23 and the inner ring workbench 2-22 through a first material ejecting cylinder 2-3-3 and a second material ejecting cylinder 2-3-10 respectively, and the first material ejecting rod 2-3-1 and the second material ejecting rod 2-3-9 respectively penetrate through two ends of the lower inner ring feeding channel 2-3-6 from bottom to top and extend to the lower end face of the outer ring workbench 2-23 and the lower end face of the inner ring workbench 2-22; the outer ring workbench 2-23 and the inner ring workbench 2-22 are positioned above the first material pushing rod 2-3-1 and are respectively provided with lower inner ring separation through holes 2-14 and 2-17, and the diameters of the lower inner ring separation through holes 2-14 and 2-9 are smaller than the diameter of the outer ring of the bearing to be cleaned and larger than the diameter of the inner ring of the bearing to be cleaned; the material taking position of the material taking claw 2-4-4 of the upper inner ring moving structure is arranged at the inner ring separating through hole 2-14 on the outer ring workbench 2-23; the discharging position of a discharging claw 2-5-4 of the upper inner ring carrying-off structure is arranged on an upper inner ring initial station 2-18 on an inner ring workbench 2-22; the lower inner ring moving-away structure comprises a concave-shaped lower inner ring fork material plate 2-3-5, the lower inner ring fork material plate 2-3-5 is connected to a piston rod of a front pushing cylinder 2-3-8 and a rear pushing cylinder 2-3-8 through a connecting plate 2-3-4, and the front pushing cylinder 2-3-8 is arranged on the lower inner ring moving-away rodless cylinder 2-3-2; the horizontal stroke of a lower inner ring fork material plate 2-3-5 of the lower inner ring carrying-off structure is started and stopped between two lower inner ring separation holes 2-8 and 2-9 on a lower inner ring feeding channel 2-3-6; the vertical strokes of the first material pushing rod 2-3-1 and the second material pushing rod 2-3-9 respectively start from the platform surface of the outer ring workbench 2-22 and the platform surface of the inner ring workbench 2-23 to the platform surface of the lower inner ring feeding channel 2-3-6; and a limiting plate 2-3-7 is arranged on one side of the lower inner ring feeding channel 2-3-6 opposite to the lower inner ring material fork plate.

The feeding structure 2-1 sends the bearing to be separated 2-21 into the demagnetizing structure 2-2, and the bearing is conveyed to the lower inner ring separation through hole 2-14 on the outer ring workbench 2-23 after being demagnetized by the demagnetizing structure 2-2, and the lower inner ring 2-21-3 falls from the lower inner ring separation through hole 2-14 because the diameter of the lower inner ring separation through hole 2-14 is smaller than the diameter of the outer ring of the bearing to be cleaned and larger than the diameter of the inner ring of the bearing to be cleaned; the initial position of the top end surface of the first ejector rod 2-3-1 is set to be positioned at the bottom end surface of the outer ring workbench 2-23 below the lower inner ring separation through hole 2-14; the falling lower inner ring 2-21-3 falls on the top end surface of the first material pushing rod 2-3-1, the first material pushing cylinder 2-3-3 is started, the first material pushing rod 2-3-1 is moved downwards until the upper end surface of the first material pushing cylinder is flush with the upper end surface of the lower inner ring feeding channel 2-3-6; starting the front and rear pushing cylinders 2-3-8, moving the concave lower inner ring fork plates 2-3-5 forwards until the lower inner rings 2-21-3 enter the fork material level sunken on the lower inner ring fork plates 2-3-5, moving the lower inner rings away from the rodless cylinders 2-3-2 to start, and driving the lower inner ring fork plates 2-3-5 to move the lower inner rings 2-21-3 transversely on the feeding channels 2-3-6 until the lower inner rings 2-21-3 are moved to the positions below the lower inner ring separation through holes 2-17; because the initial position of the upper end face of the second ejector rod 2-3-9 is flush with the upper end face of the lower inner ring feeding channel 2-3-6, namely the lower inner ring 2-21-3 is already sent to the top end face of the second ejector rod 2-3-9 at one side of the inner ring workbench 2-22, the lower inner ring is moved away from the rodless cylinder 2-3-2 to stop moving; in the moving process, the lower inner ring 2-21-3 is prevented from falling off from the feeding channel 2-3-6 due to the existence of the limiting plate 2-3-7; after the lower inner ring is moved away from the rodless cylinder 2-3-2 and stops moving, the second material ejecting cylinder 2-3-10 is started, the second material ejecting rod 2-3-9 drives the lower inner ring 2-21-3 to move upwards until the upper end face of the second material ejecting rod 2-3-9 is flush with the upper end face of the inner ring workbench 2-22, the second material ejecting cylinder 2-3-10 stops, and the lower inner ring 2-21-3 is located at the initial station of the lower inner ring, namely the inner ring split through hole 2-17.

The upper inner ring moving-away structure comprises an upper inner ring overturning structure 2-4 and an upper inner ring transferring structure 2-5; the upper inner ring overturning structure 2-4 comprises a material taking claw 2-4-4, the material taking claw 2-4-4 is arranged on a first up-down transfer cylinder 2-4-1 through a clamping cylinder 2-4-3, the first up-down transfer cylinder 2-4-1 is arranged on a rotary cylinder 2-4-2, and the rotary cylinder 2-4-2 is fixed on a base 2-21 positioned on one side of an outer ring workbench 2-23 through a first support 2-4-5; the upper inner ring transferring structure 2-5 comprises a discharging claw 2-5-4, the discharging claw 2-5-4 is arranged on a second up-and-down moving cylinder 2-5-2 through a clamping jaw cylinder 2-5-3, the second up-and-down moving cylinder 2-5-2 is arranged on an upper inner ring transferring rodless cylinder 2-5-1, the upper inner ring transferring rodless cylinder 2-5-1 is arranged on a base 2-21 on one side of an outer ring workbench 2-23 through a second support 2-5-5, and the material taking position of the discharging claw 2-5-4 is arranged at the position where the discharging claw 2-4-4 turns over after material taking.

When the bearing 2-21 to be separated is conveyed to the lower inner ring separation through hole 2-14 on the outer ring workbench 2-23, the clamping cylinder 2-4-3 is started, and the material taking claw 2-4 fixes the upper inner ring 2-21-2 from the inner ring of the upper inner ring 2-21-2 through the opening force of the cylinder; the first up-down transfer cylinder 2-4-1 is started, the upper inner ring 2-21-2 is taken out from the inner part of the outer ring 2-21-1, and the first up-down transfer cylinder 2-4-1 stops after moving upwards to a preset stroke; the rotary cylinder 2-4-2 is started, and the rotary cylinder 2-4-2 is stopped after the upper inner ring 2-21-2 is turned over for 180 degrees; the clamping jaw cylinder 2-5-3 is started until the unloading jaw 2-5-4 clamps the upper inner ring 2-21-2 from the periphery of the upper inner ring 2-21-2, the second up-and-down moving cylinder 2-5-2 is started, the upper inner ring 2-21-2 is taken out from the material taking jaw 2-4-4 until the second up-and-down moving cylinder 2-5-2 stops at a preset stroke; the upper inner ring transfer rodless cylinder 2-5-1 is started, and the upper inner ring 2-21-2 is sent to an upper inner ring initial station 2-18 on the inner ring workbench 2-22.

The upper inner ring 2-21-2 and the lower inner ring 2-21-3 are all sent to an initial station, and the outer ring 2-21-1, the steel ball 2-21-4 fixed inside the outer ring and the retainer 2-21-5 are retained at a lower inner ring separation through hole 2-14 on the outer ring workbench 2-23. At the moment, the upper inner ring 2-21-2, the lower inner ring 2-21-3 and the outer ring 2-21-1 are separated and then positioned at the initial station.

The first embodiment of the cleaning mechanism is schematically shown in the structural diagram. A washing structure for cleaning a bearing comprises a high-pressure sprayer and a supporting structure, wherein the high-pressure sprayer comprises a cylindrical spray header 2-7-7, one end of the spray header 2-7-7 is provided with an oil inlet 2-7-16, the other end of the spray header 2-7-7 is inwards sunken to form a spray opening 2-7-17, and the oil inlet 2-7-16 is communicated with the spray opening 2-7-17 through a flow guide channel 2-7-4;

the inlets of the flow guide channels 2-7-4 are uniformly distributed at intervals in the circumferential direction with the central axis of the spray header 2-7-7 as the central line; the flow guide channels 2-7-4 are respectively straight flow channels, and an included angle b is formed between the flow guide channels and a vertical line passing through an inlet of the flow channel, and the included angle b is preferably 45 degrees; no intersection point exists among the guide channels 2-7-4 and between the guide channels 2-7-4 and the central axes of the spray headers 2-7-7; the central axes of the diversion channels 2-7-4 and the spray headers 2-7-7 have no intersection point; designing the distance between the guide flow channel 2-7-4 and the central axis of the spray header 2-7-7 according to the size of the inner ring and the outer ring to be cleaned, and ensuring that high-pressure oil led out by the guide flow channel can cover the inner side wall and the outer side wall of the outer ring and the inner ring to be cleaned; the included angles between all the flow guide channels 2-7-4 and the vertical line passing through the inlet of the flow channel are the same, and the tangent lines of the intersection points of all the flow guide channels 2-7-4 and the circumference where the flow guide channels are located are in the same rotating direction, so that high-pressure oil led out from the flow guide channels 2-7-4 can impact the retainer 2-21-5 and the steel ball 2-21-4 arranged in the outer ring in the same rotating direction, the retainer 2-21-5 and the steel ball 2-21-4 can rapidly rotate along the same direction, the rotated steel ball and the retainer can be ensured to be cleaned in place under the washing of the high-pressure oil, and when the included angle between the central axes of the flow guide channels 2-7-4 and the spray header 2-7-7 is 45 degrees through experiments, the best cleaning effect of the steel ball and the retainer is achieved.

The spray header 2-7-7 is arranged on the bottom end face of the spray conduit 2-7-2 through a spray cover plate 2-7-3 with a circular cross section; the vertical section of the top end of the spray header 2-7-7 is concave; the vertical section of the spraying cover plate 2-7-3 is T-shaped, the vertical part of the spraying cover plate extends into the concave part of the spraying head 2-7-7, and the space between the bottom end surface of the vertical part of the spraying cover plate 2-7-3 and the concave part of the spraying head 2-7-7 forms an oil inlet interface 2-7-16; the transverse part of the spray cover plate 2-7-3 is fixed on the upper end surface of the spray header 2-7-7 through a bolt; the top end of the spray conduit 2-7-2 is connected with a high-pressure oil pipe through a spray elbow joint 2-7-1; the high-pressure spray head is arranged right above the cleaning station through a support knot; the top end faces of the spray outlets 2-7-17 are in the shape of round tables, and refer to a schematic sectional structure view along the diameter of the spray headers 2-7-7 in the attached drawings, and are schematic sectional structure views along the direction A-A of the spray headers 2-7-7; when a workpiece to be tested is placed, outlets of flow guide channels 2-7-4 are uniformly distributed on the side wall and the top end face of the spray opening 2-7-17, so that high-pressure oil is ensured to impact the workpiece to be cleaned from the inner side and the outer side;

when in washing, the bearing inner ring or the bearing outer ring to be washed is concentrically placed under the spray opening 2-7-17, the high-pressure spray head covers the outside of the workpiece to be washed from top to bottom, high-pressure oil enters the oil inlet 2-7-16 through the spray elbow joint 2-7-1 and the spray conduit 2-7-2 and is sprayed out from the spray opening 2-7-17 through the flow guide channel 2-7-4, and the workpiece to be washed is cleaned.

The second embodiment of the cleaning mechanism is schematically shown in the structural view. The structure of the flow guide channels 2-7-4 in the spray headers 2-7-7 in the second embodiment is the same as that in the first embodiment. The spray header 2-7-7 is arranged on the bottom end face of the spray conduit 2-7-2 through a spray cover plate 2-7-3 with a circular cross section; the vertical section of the top end of the spray header 2-7-7 is convex; the vertical section of the spraying cover plate 2-7-3 is in a door shape, and the thickness of the vertical part of the spraying cover plate 2-7-3 is matched with and fixedly connected with the concave parts at the two sides of the top end of the spraying head 2-7-7; the space between the bottom end face of the transverse part of the spray cover plate 2-7-3 and the top end face of the spray header 2-7-7 forms an oil inlet interface 2-7-16;

the high-pressure spray head also comprises an inner ring positioning head 2-7-15, the top end surface of the spray opening 2-7-17 is provided with an upward concave positioning ring 2-7-19, one end of the inner ring positioning head 2-7-15 is connected with the top end surface of the positioning ring 2-7-19, and the other end of the inner ring positioning head vertically extends downwards; according to different workpieces to be cleaned, the diameter between the circle centers of two inner ring positioning heads 2-7-15 on the same diameter is equal to the diameter of the workpiece to be cleaned; the side wall of the positioning ring is distributed with a flow guide channel so that high-pressure oil can impact a workpiece to be cleaned from the inner side and the outer side;

when in washing, the bearing inner ring or the bearing outer ring to be washed is concentrically placed under the spray opening 2-7-17, the high-pressure spray head covers the outside of the workpiece to be washed from top to bottom, high-pressure oil enters the oil inlet 2-7-16 through the spray elbow joint 2-7-1 and the spray conduit 2-7-2 and is sprayed out from the spray opening 2-7-17 through the flow guide channel 2-7-4, and the workpiece to be washed is cleaned; because the impact force of the high-pressure oil is very large, in order to avoid the workpiece to be cleaned from being out of position after being impacted by the high-pressure oil, the workpiece to be cleaned is fixed in the inner ring of the workpiece to be cleaned by pressing the two inner ring positioning heads 2-7-15 into the inner ring of the workpiece to be cleaned, so that the workpiece to be cleaned is positioned, and the workpiece to be cleaned is ensured not to leave a cleaning station due to the impact of the high-pressure oil.

The supporting structure comprises a spraying cylinder fixing plate 2-7-13, a spraying driving cylinder 2-7-11 is fixed on the spraying cylinder fixing plate 2-7-13, two ends of the spraying cylinder fixing plate 2-7-13 are respectively provided with a linear bearing 2-7-10, two ends of a moving plate 2-7-8 are respectively provided with a guide rod 2-7-9, the guide rods 2-7-9 downwards respectively penetrate through the linear bearings 2-7-10, the bottom end of the guide rod is connected with a spray head fixing plate 2-7-12, a piston rod of the spraying driving cylinder 2-7-11 is connected with the moving plate 2-7-8, and the spraying cylinder fixing plate 2-7-13 is fixed on the ground through a portal frame; the high-pressure spray head is fixedly arranged at the bottom end of the spray head fixing plate 2-7-12, and the spray head fixing plate 2-7-12 is arranged right above the cleaning station;

after a workpiece to be cleaned is placed on a cleaning station, a spraying driving cylinder 2-7-11 is started, a piston rod drives a moving plate 2-7-8 to move downwards, a guide rod 2-7-9 drives a spray head fixing plate 2-7-12 to move downwards until a high-pressure spray head reaches a preset stroke, a buffer spring 2-7-6 is arranged on the outer circumference of a spraying guide pipe 2-7-2, and the buffer spring buffers the high-pressure spray head from being damaged by impact force due to inertia after the high-pressure spray head is contacted with the workpiece to be tested; the periphery of the spray conduit 2-7-2 is also provided with a shaft snap spring 2-7-5, so that the high-pressure spray head is prevented from sliding in the spray head fixing plate 2-7-12, the position of the high-pressure spray head is fixed, and the cleaning effect is prevented from being influenced by the position offset of the high-pressure spray head.

The feeding structure 2-1 comprises a feeding belt 2-1-4, the feeding belt 2-1-4 is driven by a belt motor 2-1-3, and the feeding hole and the discharging hole are respectively arranged at two ends of the feeding belt 2-1-4; a material sensor 2-1-1 is arranged at the discharge outlet, and a material full sensor 2-1-2 is arranged at the middle position of the belt; the material sensor 2-1-1 and the material full sensor 2-1-2 can be realized by using the existing sensors, such as: a proximity sensor of an ohilon; the timing for starting the demagnetization transfer structure in the demagnetization structure is confirmed through the arrangement of the material sensor 2-1-1, and the demagnetization transfer structure can work only when the material sensor 2-1-1 detects the presence of material; the number of the workpieces to be processed on the feeding belt 2-1-4 is confirmed through the full-feeding sensor 2-1-2, so that the workpieces to be processed are prevented from being excessively accumulated on the feeding belt 2-1-4, and further, the workpieces fall to cause damage to the workpieces.

The demagnetizing structure 2-2 comprises a demagnetizing machine 2-2-5 and a demagnetizing transfer structure, the demagnetizing transfer structure comprises a demagnetizing clamping ring plate 2-2-3, the demagnetizing clamping ring plate is arranged on an upper cylinder 2-2 and a lower cylinder 2-2, the upper cylinder and the lower cylinder are arranged on a rodless cylinder 2-2-1 for demagnetization, and the rodless cylinder 2-2-1 for demagnetization is arranged on one side of the feeding structure 2-1 through a support; a clamping groove 2-2-4 is arranged on the demagnetizing ring pressing plate 2-2-3; the demagnetizer 2-2-5 is connected with a discharge port in the feeding structure 2-1 through a material channel 2-1-5; a clamping groove 2-2-4 of the demagnetizing ring pressing plate 2-2-3 is arranged above the material channel 2-1-5; the outlet of the demagnetizer 2-2-5 is communicated with the inner ring split through hole 2-14 of the inner ring workbench 2-23 through a material channel; the workpiece to be cleaned is firstly demagnetized through a demagnetizer 2-2-5, so that the problem that impurities on the workpiece attracted by magnetic force cannot be thoroughly cleaned in the subsequent cleaning operation is avoided; and the demagnetized workpiece is sent to the inner ring split through holes 2-14 through the demagnetizing ring pressing plates 2-2-3 to be separated.

The mobile clamping structure is a structure in the prior art and is not described in detail.

The initial clamping plate of the outer ring transferring and clamping structure is arranged above the lower inner ring separation through hole 2-14 on the outer ring workbench 2-22, and the initial clamping plate of the inner ring transferring and clamping structure is arranged above the inner ring split through hole 2-17 and the upper inner ring initial station 2-18 on the inner ring workbench 2-23; and the separated outer ring, the upper inner ring and the lower inner ring are respectively transferred to a subsequent working position through the outer ring transfer clamping structure and the inner ring transfer clamping structure.

The blow-drying structure comprises a cylindrical blow-drying head 2-8-5, one end of the blow-drying head 2-8-5 is provided with an air inlet 2-8-8, the other end of the blow-drying head 2-8-5 is inwards sunken to form an air outlet 2-8-7, and the air inlet 2-8-8 and the air outlet 2-8-7 are communicated through a vent hole; the inlets of the vent holes are uniformly distributed at intervals in the circumferential direction with the central axis of the blow-drying head as the central line; the vent holes are respectively straight-line channels, included angles are formed between the vent holes and a vertical line passing through the inlet of the channels, and the optimal angle is set to be 45 degrees; the central axes of the vent holes and the blow-drying heads 2-8-5 are not provided with intersection points; wherein the vertical distance between the vent hole and the central axis of the blow-drying head 2-8-5 is set according to the diameter of the workpiece to be dried; the included angles between all the vent holes and the vertical line passing through the inlet of the flow channel are the same; the blow-drying head 2-8-5 is arranged on the bottom end surface of the blow-drying air pipe 2-8-1 through a blow-drying cover plate 2-8-4 with a circular cross section; the vertical section of the top end of the blow-drying head 2-8-5 is convex; the vertical section of the blow-drying cover plate 2-8-4 is in a shape of a Chinese character 'men', and the thickness of the vertical part of the blow-drying cover plate 2-8-4 is matched with and fixedly connected with the concave parts at the two sides of the top end of the blow-drying head 2-8-5; the space between the bottom end surface of the transverse part of the blow-drying cover plate 2-8-4 and the top end surface of the blow-drying head 2-8-5 forms an air inlet 2-8-8; the top end of the blow-drying air pipe 2-8-1 is connected with an air inlet device; the blow-drying structure 2-8 is arranged right above the blow-drying station 2-12 through a blow-drying support knot; a buffer spring 2-8-3 is arranged on the outer circumference of the blow-drying air pipe 2-8-1; a shaft clamp spring 2-8-2 is further arranged on the periphery of the blow-drying air pipe; the blow-drying head also comprises blow-drying inner ring positioning heads 2-8-6, the blow-drying inner ring positioning heads 2-8-6 are arranged in the inner cavity of the air outlet 2-8-7 at the bottom end of the blow-drying head and extend downwards, and the distance between the centers of the two blow-drying inner ring positioning heads 2-8-6 is larger than the diameter of the inner cavity of the workpiece to be blow-dried and smaller than the diameter of the outer ring of the workpiece to be blow-dried;

when the drying operation is carried out, two inner ring positioning heads 2-8-6 for drying are pressed into an inner ring of a workpiece to be dried, the workpiece is fixed on the inner ring of the workpiece to be dried, air of air inlet equipment enters from the top end of a drying air pipe 2-8-1, and is vertically pressed on the workpiece to be dried at the bottom end of the inner ring positioning head 2-8-6 from an air inlet 2-8-8 through a vent hole 2-8-9, and the inner ring positioning heads 2-8-6 prevent the workpiece to be dried from being blown away by the air; the ventilation holes 2-8-9 are inclined holes with the same angle, and the steel ball and the retainer which are fixed on the inner side of the outer ring to be dried can rotate along with the wind direction when being blown by wind in the same wind direction, and are dried by wind in the rotating process, so that any angle can not be missed and can be dried. The cleaning machine is provided with a cleaning liquid collecting box 2-20 below a base 2-21, and the position of the collected cleaning liquid in the cleaning liquid collecting box 2-20 is confirmed through a liquid level observation hole 2-19; the cleaning liquid is recycled, a filter element is arranged in the cleaning liquid collecting box 2-20, the used cleaning liquid is filtered, and the filtered cleaning liquid enters the spray head again for recycling; the top end of the spray conduit 2-7-2 is connected with a high-pressure oil pipe through a spray elbow joint 2-7-1, and the high-pressure oil pipe leads out the filtered cleaning solution from the cleaning solution collecting box 2-20.

The reassembling structure 2-11 is arranged among the outer ring workbench 2-23, the inner ring workbench 2-22 and the discharging structure 2-9, the reassembling preparation station 2-25 behind the blow-drying station on the outer ring workbench 2-23 and the reassembling preparation station 2-24 behind the inner ring workbench 2-22 are respectively provided with the outer ring and the inner ring which are cleaned and dried, and the reassembling structure 2-11 is used for assembling; the feeding port of the discharging belt 2-9-2 is connected with the discharging port of the reassembling structure 2-11; the discharging structure 2-9 comprises a discharging belt 2-9-2, the discharging belt 2-9-2 is driven by a discharging motor 2-9-1, a feeding port and a discharging port are respectively arranged on different sides of two ends of the discharging belt 2-9-2, a full-material sensor 2-9-5 is arranged in the middle section of the discharging belt 2-9-2, the discharging belt 2-9-2 is provided with a material sensor 2-9-4 at one end of the discharging port, a material pushing plate 2-9-6 is arranged on one side of the discharging belt 2-9-2 opposite to the discharging port and in a position corresponding to the discharging port, and the material pushing plate 2-9-6 is connected with a piston end of a material pushing cylinder 2-9-3; the material sensors 2-9-4 and the material full sensors 2-9-5 are realized by using the existing sensors, such as: a proximity sensor of an ohilon; when the material sensor 2-9-4 detects that a workpiece exists, the material pushing cylinder 2-9-3 drives the material pushing plate 2-9-6 to push the workpiece placed at the discharge port to the material discharging channel 2-9-7, and then the subsequent process is carried out; when the full-material sensor 2-9-5 detects that the number of the workpieces to be processed reaches the preset number, the reassembling structure 2-11 stops conveying the workpieces to the discharging belt 2-9-2 until the full-material sensor 2-9-5 detects that the number of the workpieces to be processed is less than the preset number, and the reassembling structure 2-11 continues conveying the workpieces to the discharging belt 2-9-2, so that the phenomenon that the workpieces to be processed are excessively accumulated on the discharging belt 2-9-2 due to untimely discharging of the workpieces to be processed and fall off from the discharging belt 2-9-2 to damage the workpieces is avoided.

The gasket pressing mechanism 3 includes: the bearing feeding mechanism 3-1 is used for realizing automatic feeding of the bearing; the weighing mechanism 3-2 is used for weighing the bearing; the first NG mechanism 3-3 is used for pushing away a bearing which is unqualified in weighing; the lining ring pressing-in mechanism 3-4 is used for realizing automatic feeding of the lining ring and pressing the lining ring into an inner ring of the bearing; the lining ring detection mechanism 3-5 is used for detecting whether the lining ring is pressed in correctly; the second NG mechanism 3-6 is used for pressing the lining ring into the unqualified bearing and pushing away the lining ring; the blanking mechanism 3-7 is used for realizing the blanking of the assembled bearing and is a slideway; and the conveying machine 3-8 is used for conveying the bearings among different mechanisms.

The bearing feeding mechanism 3-1 comprises a feeding belt 3-1-1, the feeding belt 3-1-1 is connected with a motor driving device 3-1-2, namely, the rotation of the feeding belt 3-1-1 is realized through a motor, so that the bearing 3-9 on the feeding belt can be conveyed forwards, a limiting cover plate 3-1-3 is arranged above the front end of the feeding belt 3-1-1, a gap for the bearing 3-9 to pass through is reserved between the limiting cover plate 3-1-3 and the feeding belt 3-1-1, and a limiting baffle plate 3-1-4 is arranged at the rear end of the feeding belt 3-1-1; the front end and the rear end of the limiting cover plate 3-1-3 are respectively provided with a full material sensor 3-1-5 and a material sensor 3-1-6, the front end of the limiting cover plate 3-1-3 is provided with a discharging notch 3-1-7 for facilitating discharging, and the middle of the limiting baffle plate 3-1-4 is provided with a V-shaped notch 3-1-8 for better realizing the in-place stop of the bearing.

The weighing mechanism 3-2 comprises an electronic scale 3-2-1, a weighing rod 3-2-2 is installed on the electronic scale 3-2-1, a first material passing plate 3-2-4 correspondingly matched with the feeding belt 3-1-1 is arranged above the weighing rod 3-2-2, the first material passing plate 3-2-4 is connected with a first lifting cylinder 3-2-3, when the bearing moves to the first material passing plate 3-2-4, the first material passing plate 3-2-4 descends to press the weighing rod 3-2-2, bearing weight detection is carried out to determine whether the requirement is met, the first NG mechanism 3-3 comprises a second material passing plate 3-3-1 matched with the first material passing plate 3-2-4, the second material passing plate 3-3-1 is connected with a second lifting cylinder 3-3-2, a first cylinder mounting plate 3-3-3 is arranged on one side of the second material passing plate 3-3-1, a first transverse cylinder 3-3-4 is arranged on the first cylinder mounting plate 3-3-3, a first material pushing block 3-3-5 is arranged on a piston rod of the first transverse cylinder 3-3-4, a first NG box 3-3-6 is arranged on the other side of the second material passing plate 3-3-1, bearings which are weighed qualified in front are not influenced and can be conveyed backwards continuously, if weighing is unqualified, the second material passing plate 3-3-1 is lifted to the first material pushing block 3-3-5 and pushed into the first NG box 3-3-6, since the second NG means 3-6 is identical in structure to the first NG means 3-3, it will not be described in detail later. The lining ring press-in mechanism 3-4 comprises a lining ring feeding mechanism and a lining ring pressure taking mechanism, the lining ring feeding mechanism comprises a vibrating disk 3-4-1 and a rectilinear vibrator 3-4-2, a feeding slideway 3-4-3 matched with the vibrating disk 3-4-1 is arranged on the rectilinear vibrator 3-4-2, the lining ring 3-10 is used for feeding, the lining ring pressure taking mechanism comprises a pressure taking mounting plate 3-4-4 and a press-in worktable 3-4-5, one end of the press-in worktable 3-4-5 is correspondingly matched with the second material passing plate 3-3-1, the lower end of the press-in worktable 3-4-5 is provided with a jacking cylinder 3-4-6, a piston rod of the jacking cylinder 3-4-6 is provided with a positioning pin block 3-4-7 matched with an inner ring of a bearing 3-9, when the bearing is conveyed in place, the positioning pin block 3-4-7 is jacked up under the action of the jacking cylinder 3-4-5 to position the bearing 3-9, the pressure taking mounting plate 3-4-4 is provided with the material taking cylinder 3-4-8 and the material pressing motor 3-4-17 which are vertically arranged side by side, the position of the material taking cylinder 3-4-8 corresponds to the tail end of the feeding slideway 3-4-3, the middle of the pressure taking mounting plate 3-4-4 is provided with a through groove, a transmission rod 3-4-9 is arranged in the through groove, the upper end of the transmission rod 3-4-9 is provided with an upper limiting plate 3-4-10, the transmission rod 3-4-9 is sleeved with a first spring 3-4-11, one end of the first spring 3-4-11 is connected with the upper limiting plate 3-4-10, The other end is connected with a pressure taking mounting plate 3-4-4, a transmission rod 3-4-9 penetrates through a movable guide sleeve 3-4-12, the bottom of the transmission rod is provided with a material taking sleeve 3-4-13, an opening at the bottom of the material taking sleeve 3-4-13 is provided with a telescopic lining ring material taking head 3-4-14, the concrete structure is that a second spring 3-4-15 matched with the lining ring material taking head 3-4-14 is arranged in the material taking sleeve 3-4-13, the bottom of the lining ring material taking head 3-4-14 is an elastic block 3-4-16 which is annularly arranged and has a gap between adjacent parts, in order to better realize the taking of the lining ring 3-10, the section of the elastic block is triangular, the outer side surface of the lower end of the elastic block is provided with a chamfer, a material pressing, the screw rod 3-4-18 is provided with a screw rod sleeve 3-4-19, and the screw rod sleeve 3-4-19 and a piston rod of the material taking cylinder 3-4-8 are respectively used for the pressing operation of the transmission rod 3-4-9 at the lining ring pressing-in position and the lining ring material taking position; the bottom of the pressure taking mounting plate 3-4-4 is provided with a first guide rail 3-4-20, the first guide rail 3-4-20 is provided with a first sliding block 3-4-21, the guide sleeve 3-4-12 is fixedly arranged on the first sliding block 3-4-21, one end of the first sliding block 3-4-21 is connected with a piston rod of a transverse moving cylinder 3-4-22, and the movement of the transmission rod 3-4-9 at the lining ring press-in position and the lining ring material taking position can be realized. In order to detect the force of pressing in the lining ring, a pressure sensor 3-4-23 matched with a transmission rod 3-4-9 is installed at the bottom of a screw rod sleeve 3-4-19, a lower limit block 3-4-24 matched with a guide sleeve 3-4-12 is arranged at the lower end of the transmission rod 3-4-9, an anti-bouncing plate 3-4-25 matched with a bearing 3-9 is installed on a pressing-in workbench 3-4-5, and a through hole with the size larger than or equal to that of the lining ring is formed in the middle of the anti-bouncing plate 3-4-25 and used for preventing the bearing 3-9 from bouncing when the lining ring 3-10 is pressed in. The lining ring detection mechanism 3-5 comprises a third material passing plate 3-5-1 matched with the other end of the press-in workbench 3-4-5, a detection bracket 3-5-2 is arranged above the third material passing plate 3-5-1, a detection cylinder 3-5-3 is arranged on the detection bracket 3-5-2, a detection upper plate 3-5-4 is arranged on a piston rod of the detection cylinder 3-5-3, a detection head 3-5-5 is arranged at the lower end of the detection upper plate 3-5-4, guide rods 3-5-6 are arranged at two sides of the detection upper plate 3-5-4, the guide rods 3-5-6 penetrate through a sleeve on the detection bracket 3-5-2, in order to better monitor the descending height of the detection head 3-5-5, a position sensor 3-5-7 is arranged on the side surface of the detection bracket 3-5-2. The conveying mechanism 3-8 comprises a fork material plate 3-8-1, a fork material groove 3-8-2 matched with the outer diameter of five bearings is arranged on the fork material plate 3-8-1, the continuous conveying operation of a plurality of bearings can be realized, the efficiency is improved, in order to adapt to the positions of the bearings at different mechanisms, the heights of the fork material grooves 3-8-2 are different, the fork material plate 3-8-1 is connected with an X-axis moving mechanism and a Y-axis moving mechanism through a fork material plate mounting frame 3-8-3 to realize the movement of an X axis and a Y axis in the horizontal direction, the X-axis moving mechanism comprises an X-axis guide rail 3-8-4 and an X-axis cylinder 3-8-5, an X-axis slide block 3-8-6 is arranged on the X-axis guide rail 3-8-4, the X-axis slide block 3-8-6 is connected with the, the Y-axis moving mechanism comprises Y-axis guide rails 3-8-8 arranged on X-axis sliding blocks 3-8-6, Y-axis sliding blocks 3-8-9 are arranged on the Y-axis guide rails 3-8-8, Y-axis cylinders 3-8-7 are arranged on the Y-axis sliding blocks 3-8-9, piston rods of the Y-axis cylinders 3-8-7 are connected with the X-axis sliding blocks 3-8-6, and fork material plate mounting frames 3-8-3 are arranged on the Y-axis sliding blocks 3-8-9. In order to ensure the normal transportation of the bearing 3-9, the other sides of the first material passing plate 3-2-4, the second material passing plate 3-3-1, the press-in workbench 3-4-5 and the third material passing plate 3-5-1 are provided with retaining strips 3-11.

The working principle is as follows: the bearing 3-9 is fed to a V-shaped notch 3-1-8 in the middle of a limiting baffle 3-1-4 through a feeding belt 3-1-1 and stops, a material forking plate 3-8-1 moves the bearing to a first material passing plate 3-2-4 along the X-axis direction for weighing, the qualified bearing directly enters a press-in worktable 3-4-5 through a first NG mechanism 3-3, the unqualified bearing is pushed into a first NG box 3-3-6 through a first material pushing block 3-3-5, a lining ring reaches the tail end of a slideway through a vibrating disc 3-4-1 and a feeding slideway 3-4-3, a transmission rod 3-4-9 is moved right above, a piston rod of a material taking cylinder 3-4-8 extends out to press the transmission rod 3-4-9 downwards, the lining ring taking head 3-4-14 at the lower end is in contact with the lining ring 3-10, the lining ring taking head 3-4-14 is extruded and retracted upwards along with the continuous pressing of the transmission rod, the elastic block 3-4-16 on the lining ring taking head 3-4-14 is radially deformed and extends into the lining ring, when the piston rod of the taking cylinder 3-4-8 retracts and does not extrude the transmission rod 3-4-9, the transmission rod 3-4-9 is reset under the action of the first spring 3-4-11, the inner tension is realized from the inner ring 3-10 due to the existence of the elastic block 3-4-16, the lining ring is taken along with the transmission rod, the transmission rod 3-4-9 is moved to be right above the bearing 3-9, the material pressing motor 3-4-17 extrudes the transmission rod 3-4-9, when the lining ring is pressed into the bearing 3-9, the lining ring taking head 3-4-14 is pressed upwards due to the existence of the limit pin block 3-4-7, the lining ring 3-10 is limited by the taking sleeve 3-4-13 and can not move, so that the lining ring 3-10 is left in the bearing 3-9, the lining ring taking head 3-4-14 leaves the bearing 3-9 along with the transmission rod 3-4-9, the limit pin block 3-4-7 can be brought to the lining ring detection mechanism 3-5 by the fork plate 3-8-1 after retracting, whether the lining ring 3-10 is pressed into the lining ring is detected by descending the detection head 3-5-5, namely whether the lining ring 3-10 exists is detected, and qualified products directly pass through the second NG mechanism 3-6 to be fed by the feeding mechanism, the defective product is pushed into the NG case at the second NG means 3-6.

Claims

1. The automatic bearing production line is characterized by comprising a ball loading mechanism, a cleaning mechanism and a lining ring press-in mechanism which are sequentially arranged, wherein the ball loading mechanism comprises a ball loading workbench, a retainer supporting die is mounted on the ball loading workbench, retainer steps are arranged on the upper end surface of the retainer supporting die, a lower ball mounting plate is arranged above the retainer supporting die and connected with a lifting driving device, a penetrating ball loading shaft is mounted on the lower ball mounting plate and connected with a rotation driving device to rotate, a ball falling channel is arranged in the ball loading shaft, a convex ring is arranged on the outer peripheral surface of the ball loading shaft, and the lower end surface of the convex ring is an inclined surface; a retainer pressing die matched with the retainer supporting die is movably sleeved on the ball mounting shaft at the convex ring; the ball falling port is arranged below the convex ring, the side surface of the ball loading shaft is provided with a ball outlet of the ball falling channel, the retainer supporting die is internally provided with a cavity matched with the ball loading shaft, the supporting table is arranged above the ball loading shaft, the supporting table is provided with a ball falling port corresponding to a ball inlet of the ball falling channel, the ball falling port is provided with a movable ball storage body, the ball storage body is connected with a ball outlet driving device, the ball storage body is internally provided with a ball storage channel and an air blowing channel, and compressed air is introduced into the air blowing channel; the cleaning mechanism comprises a feeding structure, a separating mechanism, a flushing structure and a discharging structure, wherein the separating mechanism comprises a lower inner ring feeding channel, a lower inner ring removing structure and an upper inner ring removing structure; the ball-loading device is characterized in that an outer ring workbench and an inner ring workbench are respectively arranged above two ends of the lower inner ring feeding channel, the feeding structure and the discharging structure are respectively arranged at two ends of the outer ring workbench and the inner ring workbench, the feeding structure is arranged corresponding to the ball-loading workbench, a first material ejecting rod and a second material ejecting rod are respectively arranged below the same end of the outer ring workbench and the inner ring workbench through material ejecting air cylinders, the material ejecting rods respectively penetrate through two ends of the lower inner ring feeding channel from bottom to top and extend to the lower end faces of the outer ring workbench and the inner ring workbench, the inner ring workbench and the outer ring workbench are positioned above the material ejecting rods, lower inner ring separation through holes are respectively arranged, the diameter of the lower inner ring separation through holes is smaller than that of an outer ring of a bearing to be cleaned and larger than that of an inner ring of the bearing to be cleaned, and the material taking position of the upper inner ring removing structure is arranged on the outer ring workbench At least one of (1) and (b); the unloading position of the upper inner ring moving-away structure is arranged at an upper inner ring initial station on the inner ring workbench, the horizontal stroke of a lower inner ring fork plate of the lower inner ring starts from the position between the first ejector rod and the second ejector rod, the lower inner ring moving-away structure comprises a concave-shaped lower inner ring fork plate, the lower inner ring fork plate is connected to a piston rod of a front pushing cylinder and a rear pushing cylinder through a connecting plate, and the front pushing cylinder and the rear pushing cylinder are arranged on the lower inner ring moving-away rodless cylinder; the vertical strokes of the first material pushing rod and the second material pushing rod respectively start and stop between the platform surface of the outer ring workbench, the platform surface of the inner ring workbench and the platform surface of the lower inner ring feeding channel, and the discharge port of the feeding structure is communicated with the inner ring split through hole of the inner ring workbench; the washing structures are respectively arranged above the washing stations of the outer ring workbench and the inner ring workbench; the lining ring pressing-in mechanism comprises a bearing feeding mechanism, is used for realizing automatic feeding of the bearing and is arranged corresponding to the discharging structure; the lining ring pressing mechanism is used for realizing automatic feeding of the lining ring and pressing the lining ring into an inner ring of the bearing; a lining ring detection mechanism for detecting whether the lining ring is pressed in correctly; the blanking mechanism is used for realizing blanking of the assembled bearing; and the conveying mechanism is used for conveying the bearings among different mechanisms.

2. The automatic bearing production line of claim 1, wherein a guide slide rail is mounted on the support table, and the ball discharge driving device is a transverse cylinder connected with the ball storage body; the ball storage channel and the air blowing channel are arranged in parallel, and the sizes of the ball storage channel and the air blowing channel are smaller than that of the ball falling port; the rotary driving device comprises a synchronous belt pulley sleeved on the ball mounting shaft and a first motor arranged on the supporting table, a driving belt pulley matched with the synchronous belt pulley is arranged on an output shaft of the first motor, and the synchronous belt pulley is connected with the driving belt pulley through a synchronous belt; the synchronous belt wheel is arranged at the upper end of the ball loading shaft, and an inlet at the top of the ball falling channel is of a bell mouth structure with a large upper part and a small lower part; the supporting table is provided with a bearing seat, and a bearing matched with the ball mounting shaft is arranged in the bearing seat.

3. The automatic bearing production line of claim 2, wherein the bottom of the lower ball mounting plate is fixedly connected with one end of a guide shaft, the other end of the guide shaft penetrates through the retainer pressing die, and a spring is sleeved on the portion, located between the lower ball mounting plate and the retainer pressing die, of the guide shaft; the retainer supporting die is movably arranged on the lower ball mounting plate, and a retainer supporting cylinder matched with the retainer supporting die is arranged below the retainer supporting die; ball mounting panel slidable mounting is in the collateral branch strut down, lift drive include vertical install in the second motor at collateral branch strut top, ball screw is connected to the second motor, install screw-nut on the ball screw, the last screw fixed plate of installing of screw-nut, the pressure shaft is installed respectively to screw fixed plate both sides, the briquetting is installed to the pressure shaft bottom, the briquetting below be provided with install in the pressure sensor of ball mounting panel down, briquetting one side is provided with the stopper, the briquetting is located the stopper with between the pressure sensor.

4. The automatic bearing production line of claim 1, wherein the upper inner ring moving-away structure comprises an upper inner ring overturning structure and an upper inner ring moving structure; the upper inner ring overturning structure comprises a material taking claw, the upper inner ring clamping claw is arranged on a first up-down transfer cylinder through a clamping cylinder, the first up-down transfer cylinder is arranged on a rotary cylinder, and the rotary cylinder is fixed on a base located on one side of the outer ring workbench through a first support; the upper inner ring transferring structure comprises a discharging claw, the discharging claw is arranged on a second up-and-down moving cylinder through a clamping jaw cylinder, the second up-and-down moving cylinder is arranged on an upper inner ring transferring rodless cylinder, the upper inner ring transferring rodless cylinder is arranged on the base on one side of the outer ring workbench through a second support, and the material taking position of the discharging claw is arranged at the position where the discharging claw turns over after taking materials; the feeding structure comprises a feeding belt, the feeding belt is driven by a belt motor, and the feeding hole and the discharging hole are respectively arranged at two ends of the feeding belt; the discharge gate is provided with a material sensor, and a material full sensor is arranged at the middle section of the belt.

5. The automatic bearing production line of claim 1, wherein the cleaning mechanism further comprises a transfer clamping structure and a demagnetizing structure, the transfer clamping structure comprises clamping plates which are arranged in pairs, the clamping plates are symmetrically fixed on sliding seats which are arranged on two sides of a workpiece to be cleaned respectively, and the bottom ends of the sliding seats on the two sides are fixedly connected with parallel racks which extend towards each other respectively; a gear is arranged on the base, is arranged between the two parallel racks and is meshed with the two racks simultaneously; the bottom end of the sliding seat is arranged on a clamping guide rail through a sliding block, the clamping guide rail is arranged on the base, a clamping cylinder is arranged on the base, and a driving rod of the clamping cylinder is connected with one side of the sliding seat on two sides; the bottom end of the base is arranged on a transfer guide rail through a sliding block, a conveying cylinder is arranged on one side of the base in parallel with the transfer guide rail, and a piston rod of the conveying cylinder is connected with the base through an extension plate; the demagnetizing structure comprises a demagnetizing machine and a demagnetizing transfer structure, the demagnetizing transfer structure comprises a demagnetizing clamping ring plate, the demagnetizing clamping ring plate is arranged on an upper cylinder and a lower cylinder, the upper cylinder and the lower cylinder are arranged on a rodless cylinder for demagnetization, and the rodless cylinder for demagnetization is arranged on one side of the feeding structure through a support; a clamping groove is arranged on the demagnetizing pressure ring plate; the demagnetizer is connected with the discharge port in the feeding structure through a material channel; the material clamping groove on the demagnetizing ring pressing plate is arranged above the material channel; and an outlet of the demagnetizer is communicated with the inner ring split through hole of the inner ring workbench through a material channel.

6. The automatic bearing production line of claim 5, wherein the flushing structure comprises a high-pressure sprayer and a supporting structure, the high-pressure sprayer comprises a spray header, an oil inlet is formed in one end of the spray header, the other end of the spray header is recessed inwards to form a spray opening, and the oil inlet is communicated with the spray opening through a flow guide channel; the inlets of the flow guide channels are uniformly distributed at intervals in the circumferential direction with the central axis of the spray header as the central line; the flow guide channels are respectively straight flow channels, included angles are formed between the flow guide channels and a vertical line passing through an inlet of the flow channel, and no intersection point exists between the flow guide channels and the central axis of the spray header; the included angles between all the flow guide channels and the vertical line passing through the inlet of the flow channel are the same; the spray header is arranged on the bottom end surface of the spray guide pipe through a spray cover plate with a circular ring-shaped cross section; the high-pressure spray head is arranged right above the cleaning station through the supporting structure; the support structure comprises a spray cylinder fixing plate, a spray driving cylinder is fixed on the spray cylinder fixing plate, two ends of the spray driving cylinder fixing plate are respectively provided with a linear bearing, two ends of a moving plate are respectively provided with a guide rod, the guide rods downwards respectively penetrate through the linear bearings, the bottom end of the guide rods is connected with a spray head fixing plate, a piston rod of the spray driving cylinder is connected with the moving plate, and the spray driving cylinder fixing plate is fixed on the ground through a portal frame; the high-pressure spray head is fixedly arranged at the bottom end of the spray head fixing plate; the spray head fixing plate is arranged right above the cleaning station.

7. The automatic bearing production line of claim 6, wherein the vertical section of the top end of the spray header is concave; the vertical section of the spraying cover plate is T-shaped, the vertical part of the spraying cover plate extends into the concave part of the spraying head, and the space between the bottom end surface of the vertical part of the spraying cover plate and the concave part of the spraying head forms the oil inlet interface; the transverse part of the spray cover plate is fixed on the upper end surface of the spray head; the top end face of the spraying opening is in a circular truncated cone shape.

8. The automatic bearing production line of claim 6, wherein the vertical section of the top end of the spray header is convex; the vertical section of the spraying cover plate is in a door shape, and the thickness of the vertical part of the spraying cover plate is matched with and fixedly connected with the concave parts at the two sides of the top end of the spraying head; the space between the bottom end face of the transverse part of the spraying cover plate and the top end face of the spraying head forms the oil inlet interface; the high-pressure spray head also comprises an inner ring positioning head, an upward concave positioning ring is arranged on the top end surface of the spray opening, one end of the inner ring positioning head is connected with the top end surface of the positioning ring, and the other end of the inner ring positioning head vertically extends downwards; the diameter between the circle centers of the two inner ring positioning heads on the same diameter is equal to the diameter of a workpiece to be cleaned.

9. The automatic bearing production line of claim 6, wherein the cleaning mechanism further comprises a blow-drying structure, the blow-drying structure comprises a blow-drying head, one end of the blow-drying head is provided with an air inlet, the other end of the blow-drying head is recessed inwards to form an air outlet, and the air inlet is communicated with the air outlet through a vent hole; the inlets of the vent holes are uniformly distributed at intervals in the circumferential direction with the central axis of the blow-drying head as the central line; the air vents are respectively straight line channels, included angles are formed between the air vents and a vertical line passing through the inlet of the channels, and no intersection point exists between the air vents and the central axes of the air vents and the drying head; the included angles between all the vent holes and the vertical line passing through the inlet of the flow channel are the same; the blow-drying head is arranged on the bottom end surface of the blow-drying air pipe through a blow-drying cover plate with a circular cross section; the vertical section of the top end of the blow-drying head is convex; the vertical section of the blow-drying cover plate is in a shape of a Chinese character 'men', and the thickness of the vertical part of the blow-drying cover plate is matched with and fixedly connected with the concave parts at the two sides of the top end of the blow-drying head; the space between the bottom end surface of the transverse part of the blow-drying cover plate and the top end surface of the blow-drying head forms the air inlet; the top end of the blow-drying air pipe is connected with an air inlet device; the blow-drying structure is arranged right above the blow-drying station through a blow-drying support knot; a buffer spring is arranged on the outer circumference of the blow-drying air pipe; a shaft clamp spring is further arranged on the periphery of the blow-drying air pipe; the blow-drying head also comprises a blow-drying inner ring positioning head, and the blow-drying inner ring positioning head is arranged in the inner cavity of the air outlet at the bottom end of the blow-drying head and extends downwards; the transfer clamping structure comprises an inner ring transfer clamping structure and an outer ring transfer clamping structure, the outer ring transfer clamping structure is provided with a clamping plate which is a V-shaped plate at one station, and the inner ring transfer clamping structure is provided with a clamping plate which is a W-shaped plate at two stations.

10. The automatic bearing production line of claim 1, wherein the bearing feeding mechanism comprises a feeding belt, the feeding belt is connected with a motor driving device, a limiting cover plate is arranged above the front end of the feeding belt, a gap for the bearing to pass through is reserved between the limiting cover plate and the feeding belt, and a limiting baffle is arranged at the rear end of the feeding belt; the front end and the rear end of the limiting cover plate are respectively provided with a material detection sensor, the front end of the limiting cover plate is provided with a material discharge notch, and the middle of the limiting baffle plate is provided with a V-shaped notch; a weighing mechanism and a first NG mechanism are arranged between the bearing feeding mechanism and the lining ring press-in mechanism, the weighing mechanism comprises an electronic scale, a weighing rod is mounted on the electronic scale, a first material passing plate is arranged above the weighing rod and connected with a first lifting cylinder, the first NG mechanism comprises a second material passing plate matched with the first material passing plate, the second material passing plate is connected with a second lifting cylinder, a first cylinder mounting plate is arranged on one side of the second material passing plate, a first transverse cylinder is mounted on the first cylinder mounting plate, a first material pushing block is mounted on a piston rod of the first transverse cylinder, and a first NG box is arranged on the other side of the second material passing plate; the lining ring pressing mechanism comprises a lining ring feeding mechanism and a lining ring pressing mechanism, the lining ring feeding mechanism comprises a vibration disc and a straight vibrator, the straight vibrator is provided with a vibration disc matched feeding slide way, the lining ring pressing mechanism comprises a pressing mounting plate and a pressing workbench, one end of the pressing workbench corresponds to the second material passing plate, the lower end of the pressing workbench is provided with a jacking cylinder, a positioning pin block matched with a bearing inner ring is mounted on a piston rod of the jacking cylinder, a material taking cylinder and a material pressing motor which are arranged vertically side by side are arranged on the pressing mounting plate, the position of the material taking cylinder corresponds to the tail end of the feeding slide way, a through groove is formed in the middle of the pressing mounting plate, a transmission rod is arranged in the through groove, an upper limiting plate is mounted at the upper end of the transmission rod, a first spring is sleeved on the transmission rod, and one end of the first spring is connected with the upper limiting plate, The other end of the transmission rod is connected with the pressure taking mounting plate, the transmission rod penetrates through the movable guide sleeve, the bottom of the transmission rod is provided with a material taking sleeve, an opening at the bottom of the material taking sleeve is provided with a telescopic lining ring material taking head, the material pressing motor is connected with a lead screw, a lead screw sleeve is arranged on the lead screw, and the lead screw sleeve and a piston rod of the material taking cylinder are respectively used for the pressing operation of the transmission rod at the lining ring pressing-in position and the lining ring material taking position; a first guide rail is arranged at the bottom of the pressure taking mounting plate, a first sliding block is arranged on the first guide rail, the guide sleeve is fixedly arranged on the first sliding block, and one end of the first sliding block is connected with a piston rod of the transverse moving cylinder; the bottom of the screw rod sleeve is provided with a pressure sensor matched with the transmission rod, the lower end of the transmission rod is provided with a lower limiting block matched with the guide sleeve, the material taking sleeve is internally provided with a second spring matched with the lining ring material taking head, the bottom of the lining ring material taking head is an elastic block which is annularly arranged and has a gap between adjacent parts, and the press-in workbench is provided with an anti-jumping plate matched with a bearing; the lining ring detection mechanism comprises a third material passing plate matched with the other end of the press-in workbench, a detection support is arranged above the third material passing plate, a detection cylinder is arranged on the detection support, and a detection head is arranged on a piston rod of the detection cylinder; a second NG mechanism is arranged between the lining ring detection mechanism and the blanking mechanism, and the second NG mechanism and the first NG mechanism have the same structure; the carrying mechanism comprises a fork plate, a fork trough matched with the outer diameter of the bearing is formed in the fork plate, and the fork plate is connected with an X-axis moving mechanism and a Y-axis moving mechanism through a fork plate mounting frame to realize movement of an X axis and a Y axis in the horizontal direction.