Automatic assembly device for thrust ball bearing

Abstract

The present application relates to the field of bearing assembly, and in particular to an automatic assembly device for thrust ball bearings, including a machine base, a transmission device, a positioning component, a ball loading component, an imaging component, a riveting component, an assembly component 1 and an assembly component 2, wherein the ball loading component includes a ball loading seat, a ball bottle, an assembly disk and a plurality of steel ball hoses, wherein the ball loading seat is connected to the surface of the machine base, the ball bottle is connected to the surface of the ball loading seat, the assembly disk is connected to the surface of the ball loading seat, a plurality of positioning holes are arranged at intervals on the surface of the assembly disk, a plurality of steel ball hoses are connected to the ball bottle at one end at intervals, and a plurality of steel ball hoses are connected to the surface of the assembly disk at the other end at intervals. The arrangement of the ball loading seat, the ball bottle, the assembly disk and the steel ball hose in the present application realizes the automatic assembly of the thrust ball bearing, does not require manual assembly by staff, reduces the occurrence of the phenomenon of lack of steel balls in the retaining frame, improves the assembly efficiency of the thrust ball bearing, shortens the assembly cycle of the thrust ball bearing, and thus reduces the production cost of the thrust ball bearing.

Description

Technical Field

[0001] The present application relates to the field of bearing assembly, and in particular to an automatic assembly device for a thrust ball bearing. Background Art

[0002] Thrust ball bearings are designed to withstand thrust loads when running at high speeds. They are mainly used to withstand axial loads. Thrust ball bearings mainly consist of a tight ring, a loose ring, and a rolling element assembly, and the rolling element assembly includes a cage and multiple steel balls.

[0003] During the assembly process of the thrust ball bearing, the staff is required to embed the required steel balls into the cage window one by one. The staff needs to maintain a single assembly action for a long time, which may easily lead to a shortage of steel balls in the cage, thereby reducing the assembly efficiency of the thrust ball bearing, extending the assembly cycle of the thrust ball bearing, and thus increasing the production cost of the thrust ball bearing. Summary of the invention

[0004] In order to improve the production cost problem of thrust ball bearings, the present application provides an automatic assembly device for thrust ball bearings.

[0005] The present application provides an automatic assembly device for a thrust ball bearing, which adopts the following technical solution:

[0006] A thrust ball bearing automatic assembly device, wherein a plurality of mounting holes for embedding steel balls are arranged at intervals on the surface of a retainer, comprising a machine base, a transmission device, a positioning component, a ball loading component, an imaging component, a riveting component, an assembly component one and an assembly component two, wherein the surface of the machine base is provided with positioning stations, a ball loading station, an imaging station, a riveting station, an assembly station one and an assembly station two at intervals, wherein the transmission device is connected to the surface of the machine base, wherein the transmission device can drive the retainer to pass through the positioning station, the ball loading station, the imaging station, the riveting station, the assembly station one and the assembly station two in sequence, wherein the positioning component, the imaging component, the riveting component, the assembly component one and the assembly component two are connected to the surface of the machine base in sequence at intervals, wherein the positioning component can drive the retainer on the positioning station to rotate to the position of the positioning mounting holes, wherein the imaging component can take a picture of the retainer on the imaging station, wherein the riveting component can drive the retainer on the positioning station to rotate to the position of the positioning mounting holes, wherein the imaging component can take a picture of the retainer on the imaging station, wherein the riveting component can drive the retainer on the imaging ... imaging component can drive the retainer on the imaging station to rotate to the position of the positioning mounting holes, wherein the imaging component can The assembly can rivet and fix the steel ball on the riveting station into the mounting hole to form a rolling body assembly, the assembly assembly one can embed the rolling body assembly on the assembly station one into the tight ring, and the assembly assembly two can embed the loose ring into the rolling body assembly located on the assembly station two, the ball loading assembly includes a ball loading seat, a ball bottle, an assembly disk and a plurality of steel ball hoses, the ball loading seat is connected to the surface of the machine base facing the ball loading station, the ball bottle is connected to the surface of the ball loading seat, the assembly disk is connected to the surface of the ball loading seat, the surface of the assembly disk is provided with a plurality of positioning holes for steel balls to be embedded, one end of the plurality of steel ball hoses is connected to the ball bottle at intervals, and the other ends of the plurality of steel ball hoses are connected to the surface of the assembly disk at intervals, the steel balls in the ball bottle enter the plurality of positioning holes through the steel ball hoses, the positioning holes correspond to the mounting holes one-to-one, and the steel balls in the positioning holes are embedded in the mounting holes.

[0007] By adopting the above technical scheme, when assembling the thrust ball bearing, the transmission device drives the retaining frame to pass through the positioning station, the ball loading station, the imaging station, the riveting station, the assembly station one and the assembly station two in sequence. The positioning component drives the retaining frame on the positioning station to rotate and locates the positions of multiple mounting holes on the retaining frame. The positioning holes correspond to the mounting holes on the ball loading station one by one. The steel balls in the ball bottle enter the positioning holes in sequence through the steel ball hoses. The steel balls in the positioning holes are embedded in the mounting holes due to their own gravity, thereby realizing the automatic assembly of multiple steel balls on the surface of the retaining frame. The imaging component takes a picture of the retaining frame on the imaging station to check whether there are any missing balls. To improve the assembly efficiency of the thrust ball bearing, the riveting assembly rivets and fixes the steel balls on the riveting station into the mounting holes, and multiple steel balls are embedded in the retaining frame to form a rolling element assembly. Assembly assembly one embeds the rolling element assembly on the assembly station one into the tight ring to achieve the installation of the rolling element assembly and the tight ring. Assembly assembly two installs the loose ring on the rolling element assembly located on the assembly station two to achieve the automated assembly of the thrust ball bearing without the need for manual assembly by staff, thereby reducing the occurrence of a lack of steel balls in the retaining frame, improving the assembly efficiency of the thrust ball bearing, shortening the assembly cycle of the thrust ball bearing, and thus reducing the production cost of the thrust ball bearing.

[0008] Optionally, the assembly plate includes a fixed plate, a ball loading mold, a ball distribution plate, a gear plate and a goal block, the fixed plate is connected to the surface of the ball loading seat, the ball loading mold is connected to the fixed plate surface, the surface of the ball loading mold facing the ball loading station is spaced apart with a plurality of feed troughs for steel balls to pass through, the feed troughs correspond one-to-one with the mounting holes on the ball loading station, the gear plate and the ball distribution plate are stacked in sequence and rotatably connected to the surface of the ball loading mold facing the ball pin, the axis of the gear plate coincides with the axis of the ball distribution plate, the ball distribution plate is located between the gear plate and the ball loading mold, and the surface of the ball distribution plate is spaced apart with a plurality of The connecting groove corresponds to and is connected with the feed chute one by one, and a plurality of the positioning holes are spaced apart on the gear plate surface around the axis of the gear plate, the goal block is connected to the surface of the ball loading mold facing the ball bottle, and the end of the steel ball hose away from the ball bottle is connected to the surface of the goal block, when the steel ball in the ball bottle passes through the steel ball hose and the goal block in turn and is embedded in the positioning hole, the gear plate rotates, the positioning hole is connected to the connecting groove, and the steel ball in the positioning hole enters the connecting groove, driving the ball dividing plate to rotate, the connecting groove is connected to the feed chute, and the steel ball in the connecting groove enters the mounting hole through the feed chute.

[0009] By adopting the above technical scheme, the feed trough corresponds one-to-one with the mounting holes on the ball loading station, the steel balls in the ball bottle enter the gear plate surface through the steel ball hose and the goal block, the steel balls correspond one-to-one with the positioning holes and are embedded, driving the gear plate to rotate, the positioning holes correspond one-to-one with the connecting grooves and are connected, the steel balls in the positioning holes enter the connecting grooves under the influence of their own gravity, driving the ball distribution plate to rotate, the connecting grooves correspond one-to-one with the feed troughs and are connected, the steel balls in the connecting grooves are embedded in the mounting holes through the feed troughs, and the automatic ball loading action of the retaining frame on the ball loading station is realized.

[0010] Optionally, the ball loading assembly also includes a ball poking plate, a ball poking cylinder, a counter and a controller, the ball poking cylinder is connected to the surface of the ball bottle, one side of the ball poking plate is connected to the piston rod of the ball poking cylinder, the other side of the ball poking plate abuts the surface of the steel ball in the ball bottle, the counter is connected to the steel ball hose, the counter counts the number of steel balls entering the steel ball hose, the controller is connected between the counter and the ball poking cylinder, the counter sends the number of steel balls to the controller, the controller compares the number of steel balls with a preset value, and when the number of steel balls is equal to the preset value, the controller drives the ball poking cylinder to stop running.

[0011] By adopting the above technical solution, when the transmission device moves the retaining frame of the positioning station to the ball loading station, the piston rod of the ball poking cylinder extends, driving the ball poking plate to squeeze the surface of the steel ball in the ball bottle, driving the steel ball in the ball bottle into the inner cavity of the steel ball hose, and the counter counts the number of steel balls in the steel ball hose and sends it to the controller. When the controller detects that the number of steel balls is equal to the preset value, the controller drives the ball poking cylinder to stop running, thereby realizing directional loading of the number of steel balls in the steel ball hose.

[0012] Optionally, the ball loading assembly also includes a power cylinder, a power motor and a driving wheel, the power motor is connected to the surface of the ball loading mold, the motor axis of the power motor and the rotation axis of the gear plate are parallel to each other, the driving wheel is coaxially connected to the motor shaft of the power motor, the wheel surface of the driving wheel engages with the tooth surface of the gear plate, the power cylinder is connected to the surface of the ball loading mold, the power cylinder piston rod is rotatably connected to the surface of the ball distribution plate, and the power cylinder drives the ball distribution plate to rotate on the surface of the ball loading mold through the extension and retraction of the piston rod.

[0013] By adopting the above technical scheme, when the positioning holes are all equipped with steel balls, the power motor rotates, the driving wheel surface meshes with the gear plate tooth surface, driving the gear plate to rotate on the surface of the ball loading mold, the positioning holes and the connecting grooves correspond one to one and are connected, the steel balls in the positioning holes enter the connecting grooves, the connecting grooves are all equipped with steel balls, the power cylinder piston rod extends, driving the ball distribution plate to rotate on the surface of the ball loading mold, the connecting grooves and the discharge grooves correspond one to one and are connected, the steel balls in the connecting grooves are embedded in the mounting holes one by one through the discharge grooves, and the staff does not need to manually control the rotation of the gear plate and the ball distribution plate, thereby further improving the automation of thrust ball bearing assembly.

[0014] Optionally, the positioning assembly includes a positioning seat, a sliding seat, an optical fiber sensor, a positioning motor and a positioning cylinder, the positioning seat is connected to the surface of the machine base facing the positioning station, the surface of the positioning seat is for placing a retaining frame, the optical fiber sensor is connected to the surface of the positioning seat, the optical fiber sensor can detect the position of the mounting hole on the retaining frame located at the positioning station, the sliding seat is slidably connected to the surface of the machine base, the positioning cylinder is connected to the surface of the sliding seat facing the positioning seat, the positioning motor is connected to the piston rod of the positioning cylinder, the surface of the positioning seat is provided with a positioning cavity for the motor shaft of the positioning motor to pass through, the motor shaft of the positioning motor can pass through the positioning cavity and be embedded in the inner ring of the retaining frame and drive the retaining frame to rotate.

[0015] By adopting the above technical scheme, when the transmission device moves the retaining frame to the surface of the positioning seat, the retaining frame is located on the positioning station, the sliding seat slides along the surface of the machine base toward the positioning station, and the motor shaft of the positioning motor faces the inner ring of the retaining frame at the positioning station, driving the piston rod of the positioning cylinder to extend, driving the end of the motor shaft of the positioning motor to pass through the positioning cavity and embed into the inner ring of the retaining frame, the end face of the motor shaft of the positioning motor abuts against the inner ring of the retaining frame to form a limit, and the positioning motor drives the retaining frame to rotate around its own axis, and the optical fiber sensor performs positioning detection on the mounting hole on the retaining frame at the positioning station, thereby improving the accuracy of thrust ball bearing assembly.

[0016] Optionally, the transmission device includes a loading assembly, which includes a conveyor belt, a abutment block and a loading cylinder. The conveyor belt is connected to the surface of the machine base, the surface of the conveyor belt is for placing a retaining frame, the abutment block is connected to the surface of the conveyor belt close to the positioning station, the loading cylinder is connected to the surface of the conveyor belt, and the loading cylinder piston rod faces the positioning station. When the conveyor belt drives the retaining frame to approach the abutment block, the surface of the abutment block abuts the surface of the retaining frame, and the rod surface of the loading cylinder piston rod abuts the surface of the retaining frame. The loading cylinder piston rod extends to drive the retaining frame to move to the surface of the positioning seat facing the positioning station.

[0017] By adopting the above technical solution, the retaining frame is placed on the surface of the conveyor belt, and the conveyor belt drives the retaining frame to slide in the direction close to the abutment block. The surface of the retaining frame abuts the surface of the abutment block, the piston rod of the loading cylinder extends out, and the rod surface of the piston rod of the loading cylinder abuts the surface of the retaining frame and drives the retaining frame to move in the direction close to the positioning seat. The retaining frame is located on the surface of the positioning seat facing the positioning station, thereby realizing automatic loading of the retaining frame of the positioning station.

[0018] Optionally, the transmission device also includes a connecting assembly, which includes a connecting seat, a connecting rod, a connecting cylinder and a clamping cylinder. The connecting seat is connected to the surface of the machine base facing the ball loading station, the connecting rod is slidably connected to the surface of the connecting seat, the sliding direction of the connecting rod and the sliding direction of the sliding seat are parallel to each other, the connecting cylinder is slidably connected to the surface of the connecting block, the sliding direction of the connecting cylinder and the sliding direction of the connecting rod are perpendicular to each other, the clamping cylinder is connected to the connecting cylinder piston rod, and the clamping end of the clamping cylinder can clamp the retaining frame on the positioning station. When the connecting cylinder slides along the surface of the connecting rod toward the positioning station, the clamping end of the clamping cylinder faces the retaining frame on the positioning station, the connecting cylinder piston rod extends, and the clamping end of the clamping cylinder clamps the retaining frame of the positioning station.

[0019] By adopting the above technical scheme, when the positioning motor drives the retaining frame on the positioning station to rotate to a preset angle, the connecting block slides along the surface of the connecting seat toward the positioning station, the connecting cylinder approaches the positioning station, the connecting cylinder slides along the surface of the connecting rod toward the positioning station, the clamping end of the clamping cylinder faces the retaining frame on the positioning station, the connecting cylinder piston rod extends, the clamping end of the clamping cylinder clamps the retaining frame on the positioning station, the connecting cylinder piston rod contracts, and at the same time, the connecting cylinder slides along the surface of the connecting rod toward away from the positioning station, the connecting rod slides along the surface of the connecting seat toward the ball loading station, the positioning cylinder approaches the ball loading station, the positioning cylinder slides along the rod surface of the connecting rod toward the ball loading station, the clamping end of the clamping cylinder faces the surface of the ball loading seat located at the ball loading station, the connecting cylinder piston rod extends, the clamping end of the clamping cylinder is released, the retaining frame is detached from the clamping end of the clamping cylinder and is placed on the surface of the ball loading seat facing the ball loading station, thereby realizing automatic loading of the retaining frame on the ball loading station.

[0020] Optionally, the imaging component includes a camera, a controller and an imaging seat, the imaging seat is connected to the surface of the machine base facing the imaging station, the surface of the imaging seat is for placing a retaining frame, the camera is connected to the surface of the imaging seat facing the imaging station, the camera is electrically connected to the controller, the camera can take a photo of the retaining frame of the imaging station and send it to the controller, and the controller detects whether the retaining frame in the photo is missing a steel ball.

[0021] By adopting the above technical solution, the transmission device moves the steel ball to the surface of the imaging seat facing the imaging station, the camera takes a photo of the retaining frame on the imaging station and sends it to the controller, and the controller detects whether the retaining frame in the photo is missing a steel ball, thereby improving the assembly efficiency of the thrust ball bearing.

[0022] Optionally, the riveting assembly includes an upper die and a lower die, the lower die is connected to the surface of the machine base facing the riveting station, and the upper die is slidably connected to the surface of the lower die, when the retaining frame is placed on the surface of the lower die facing the upper die, the upper die slides toward the direction close to the lower die, the upper die and the lower die squeeze the surface of the retaining frame, and rivet the steel ball into the mounting hole to form a rolling body assembly.

[0023] By adopting the above technical solution, when the transmission device moves the retaining frame to the surface of the upper mold, the upper mold slides in the direction close to the lower mold, the upper mold and the lower mold are closed and squeezed to squeeze the surface of the retaining frame, driving the steel ball to be riveted and fixed on the inner wall of the mounting hole to form a rolling body assembly, thereby realizing the automated assembly of the rolling body assembly.

[0024] Optionally, the assembly component comprises an assembly seat, an assembly cylinder, an assembly block and a transmission belt, the assembly seat is connected to the surface of the machine base facing the assembly station, the surface of the assembly seat is for placing the tightening ring, the transmission belt is connected to the surface of the machine base close to the assembly station, the surface of the transmission belt is for placing the tightening ring, the assembly block is connected to the surface of the transmission belt close to the assembly station, the assembly cylinder is connected to the surface of the transmission belt, the piston rod of the assembly cylinder faces the assembly station, when the transmission belt drives the tightening ring close to the assembly block, the surface of the tightening ring abuts the surface of the assembly block, the piston rod of the assembly cylinder extends out, the rod surface of the piston rod of the assembly cylinder abuts the surface of the tightening ring and drives the tightening ring to move to the surface of the assembly seat facing the assembly station, the transmission device clamps the rolling body assembly of the riveting station and embeds into the surface of the tightening ring located on the assembly station.

[0025] By adopting the above technical solution, the tightening ring is placed on the surface of the transmission belt, and the transmission belt drives the tightening ring to slide in the direction close to the assembly block, and the surface of the tightening ring abuts against the surface of the assembly block, the piston rod of the assembly cylinder extends out, and the rod surface of the piston rod of the assembly cylinder abuts against the surface of the tightening ring and drives the tightening ring to slide in the direction close to the assembly seat, and the tightening ring is located on the surface of the assembly seat facing the assembly station, and the transmission device clamps the rolling body assembly on the riveting station and embeds into the surface of the tightening ring located on the assembly station, thereby realizing the automatic assembly of the tightening ring and the rolling body assembly.

[0026] In summary, the present application includes at least one of the following beneficial technical effects:

[0027] 1. The setting of ball seat, ball bottle, assembly plate and steel ball hose realizes the automatic assembly of thrust ball bearings, without the need for manual assembly by staff, reduces the phenomenon of lack of steel balls in the cage, improves the assembly efficiency of thrust ball bearings, shortens the assembly cycle of thrust ball bearings, and thus reduces the production cost of thrust ball bearings;

[0028] 2. The setting of the fixed plate, ball loading mold, ball distribution plate, gear plate and ball ball block, the connecting groove corresponds to and is connected with the feeding groove one by one, and the steel ball in the connecting groove is embedded in the mounting hole through the feeding groove to realize the automatic ball loading action of the cage on the ball loading station;

[0029] 3. The ball-poking plate, ball-poking cylinder, counter and controller are set up. When the controller detects that the number of steel balls is equal to the preset value, the controller drives the ball-poking cylinder to stop running, thereby realizing the directional loading of the number of steel balls in the steel ball hose. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure in the embodiment of the present application.

[0031] Figure 2It is a schematic diagram of the local structure in the embodiment of the present application, mainly showing the feeding components and the connection components.

[0032] Figure 3 It is a schematic diagram of the local structure in the embodiment of the present application, mainly showing the assembly disk.

[0033] Figure 4 It is a schematic diagram of the overall structure of the ball-poking cylinder and the ball-poking plate in the embodiment of the present application.

[0034] Figure 5 It is a partial cross-sectional view in the embodiment of the present application, mainly showing the feed chute.

[0035] Figure 6 It is a schematic diagram of the local structure in the embodiment of the present application, mainly showing assembly component two.

[0036] Description of the accompanying drawings: 1, base; 2, transmission device; 21, feeding assembly; 211, conveyor belt; 212, abutment block; 213, feeding cylinder; 22, connecting assembly; 221, connecting seat; 222, connecting cylinder; 223, connecting rod; 225, clamping cylinder; 3, positioning assembly; 31, positioning seat; 311, positioning cavity; 32, sliding seat; 33, optical fiber sensor; 34, positioning motor; 35, positioning cylinder; 4, ball loading assembly; 41, ball loading seat; 42, ball pin; 43, assembly plate; 431, fixing plate; 432, ball loading mold; 4321, unloading trough; 433, ball distribution plate; 4331 , connecting groove; 434, gear plate; 4341, positioning hole; 435, goal block; 44, ball-poking plate; 45, ball-poking cylinder; 46, counter; 47, power cylinder; 48, power motor; 49, driving wheel; 410, steel ball hose; 5, imaging component; 51, camera; 52, imaging seat; 6, riveting component; 61, upper die; 62, lower die; 7, assembly component one; 71, assembly seat one; 72, assembly cylinder one; 73, assembly block one; 74, transmission belt one; 8, assembly component two; 81, assembly seat two; 811, limiting groove; 82, assembly cylinder two; 83, assembly block two; 84, transmission belt two. DETAILED DESCRIPTION

[0037] The following is combined with Figure 1-6 This application is described in further detail.

[0038] The embodiment of the present application discloses an automatic assembly device for thrust ball bearings. The surface of the cage is provided with a plurality of mounting holes for steel balls to be embedded, and the plurality of mounting holes are evenly spaced around the axis of the cage. Figure 1A thrust ball bearing automatic assembly device comprises a machine base 1, a transmission device 2, a positioning component 3, a ball loading component 4, an imaging component 5, a riveting component 6, an assembly component 1 7 and an assembly component 2 8. The bottom of the machine base 1 abuts against the ground to form a support. The surface of the machine base 1 is provided with a positioning station, a ball loading station, an imaging station, a riveting station, an assembly station 1 and an assembly station 2 in sequence. The transmission device 2 is installed on the surface of the machine base 1. The transmission device 2 drives the retaining frame to pass through the positioning station, the ball loading station, the imaging station, the riveting station, the assembly station 1 and the assembly station 2 in sequence. The positioning component 3, the ball loading component 4, the imaging component 5, the riveting component 6, the assembly component 1 7 and the assembly component 2 8 are installed on the surface of the machine base 1 in sequence. The positioning component 3 faces the positioning station. The positioning component 3 can drive the retaining frame to rotate around its own axis and locate the mounting hole. The ball loading component 4 faces the ball loading station. The ball loading component 4 can embed multiple steel balls in sequence at the ball loading station. The imaging component 5 faces the imaging station, and the imaging component 5 can take a picture of the retaining frame on the imaging station to check whether there is a lack of steel balls in the mounting holes on the retaining frame on the imaging station. The riveting component 6 faces the riveting station, and the riveting component 6 can rivet and fix the steel balls on the riveting station to the inner walls of the mounting holes to form a rolling body assembly. The assembly component 1 7 faces the assembly station 1, and the assembly component 1 7 can embed the rolling body assembly into the tight ring on the assembly station 1. The assembly component 2 8 faces the assembly station 2, and the assembly component 2 8 can embed the loose ring into the rolling body assembly on the assembly station 2 to form a thrust ball bearing, thereby realizing the automatic assembly of the thrust ball bearing, without the need for manual assembly by the staff, reducing the occurrence of lack of steel balls in the retaining frame, improving the assembly efficiency of the thrust ball bearing, shortening the assembly cycle of the thrust ball bearing, and thus reducing the production cost of the thrust ball bearing.

[0039] Reference Figure 1 and Figure 2The positioning assembly 3 includes a positioning seat 31, a sliding seat 32, an optical fiber sensor 33, a positioning motor 34 and a positioning cylinder 35. The positioning seat 31 is fixed on the surface of the base 1 facing the positioning station. The surface of the positioning seat 31 is for the holder to be placed. The optical fiber sensor 33 is connected to the surface of the positioning seat 31 facing the positioning station. The optical fiber sensor 33 can detect the position of the mounting hole on the holder on the positioning station. The sliding seat 32 is slidably connected to the surface of the base 1. The sliding direction of the sliding seat 32 is parallel to the length direction of the base 1. The positioning cylinder 35 is installed on the sliding seat 31. The seat 32 faces the surface of the positioning seat 31, the axis of the piston rod of the positioning cylinder 35 and the height direction of the base 1 are parallel to each other, the positioning motor 34 is installed on the piston rod surface of the positioning cylinder 35, the axis of the positioning motor 34 and the height direction of the base 1 are parallel to each other, and a positioning cavity 311 is provided on the surface of the positioning seat 31 for the motor shaft end of the positioning motor 34 to pass through. In the embodiment of the present application, the positioning cavity 311 is a strip-shaped cavity, the length direction of the positioning cavity 311 and the length direction of the base 1 are parallel to each other, and the positioning cavity 311 runs through both sides of the height direction of the positioning seat 31.

[0040] Reference Figure 1 and Figure 2 When the transmission device 2 places the retaining frame on the surface of the positioning seat 31 facing the positioning station, the sliding seat 32 slides along the surface of the machine base 1 toward the positioning station, and the end of the motor shaft of the positioning motor 34 faces the retaining frame of the positioning station. The piston rod of the positioning cylinder 35 extends, driving the end of the motor shaft of the positioning motor 34 to pass through the positioning cavity 311 and embed into the inner ring of the retaining frame. The positioning motor 34 drives the retaining frame to rotate around its own axis, and the optical fiber sensor 33 detects the position of the mounting hole on the retaining frame and performs positioning, thereby correcting the position of the mounting hole on the retaining frame at the positioning station.

[0041] Reference Figure 3 and Figure 4 The ball loading assembly 4 includes a ball loading seat 41, a ball bottle 42, an assembly disk 43, a ball poking plate 44, a ball poking cylinder 45, a counter 46, a controller, a power cylinder 47, a power motor 48, a driving wheel 49 and a plurality of steel ball hoses 410. The ball loading seat 41 is fixed on the surface of the machine base 1 facing the ball loading station. The surface of the ball loading seat 41 located at the ball loading station is for the holder to be placed. The inner cavity of the ball bottle 42 is for storing steel balls. The ball bottle 42 is fixed on the surface of the ball loading seat 41 facing the ball loading station. The assembly disk 43 is slidably connected to the surface of the ball loading seat 41. The sliding direction of the assembly disk 43 and the height direction of the machine base 1 are parallel to each other.

[0042] Reference Figure 3 and Figure 5The assembly disk 43 includes a fixed plate 431, a ball loading mold 432, a ball distribution disk 433, a gear disk 434 and a goal block 435. The fixed plate 431 is slidably connected to the surface of the ball loading seat 41. The sliding direction of the fixed plate 431 and the height direction of the machine base 1 are parallel to each other. The ball loading mold 432 is fixed to the surface of the fixed plate 431 facing the ball loading station by bolts. The surface of the ball loading mold 432 facing the ball loading station is provided with a plurality of feed troughs 4321 for steel balls to pass through at intervals. The feed troughs 4321 correspond one-to-one to the mounting holes located at the ball loading station.

[0043] Reference Figure 3 and Figure 5 The gear plate 434 and the ball distribution plate 433 are stacked in sequence and rotatably connected to the surface of the ball loading mold 432 facing the ball pin 42. The axis of the gear plate 434 coincides with the axis of the ball distribution plate 433, and the axis of the gear plate 434 and the height direction of the machine base 1 are parallel to each other. The ball distribution plate 433 is located between the gear plate 434 and the ball loading mold 432. The surface of the ball distribution plate 433 is spaced apart with a plurality of connection grooves 4331 for the steel balls to pass through. The plurality of connection grooves 4331 are spaced evenly around the axis of the ball distribution plate 433. The connection grooves 433 1 corresponds to and is connected with the feeding trough 4321 one by one. A plurality of positioning holes 4341 for the steel balls to pass through are arranged at intervals on the surface of the gear plate 434 facing the ball pins 42. The plurality of positioning holes 4341 are uniformly distributed in sequence around the axis of the gear plate 434. The positioning holes 4341 correspond to and are connected with the connecting grooves 4331 one by one. The goal block 435 is fixed to the surface of the ball loading mold 432 facing the ball pins 42 by bolts. The surface of the goal block 435 and the surface of the ball loading mold 432 clamp the gear plate 434 and the ball distribution plate 433 to form a limit.

[0044] As another solution, there are multiple groups of connecting grooves 4331 and positioning holes 4341, and the multiple groups of connecting grooves 4331 are evenly distributed around the axis of the ball distribution plate 433, and the multiple groups of positioning holes 4341 are evenly distributed around the axis of the gear plate 434, so as to realize the processing of thrust ball bearings of different sizes, thereby improving the versatility of the thrust ball bearing automatic assembly device.

[0045] Reference Figure 3 and Figure 5 The power motor 48 is fixed to the surface of the ball-mounting mold 432 by bolts, the axis of the power motor 48 and the height direction of the base 1 are parallel to each other, the motor shaft of the power motor 48 is coaxially fixed to the wheel surface of the driving wheel 49, the wheel surface of the driving wheel 49 meshes with the tooth surface of the gear plate 434, the power motor 48 drives the driving wheel 49 to rotate and drives the gear plate 434 to rotate around its own axis; the power cylinder 47 is fixed to the surface of the ball-mounting mold 432 by bolts, the axis of the piston rod of the power cylinder 47 and the height direction of the base 1 are parallel to each other, the end of the piston rod of the power cylinder 47 is rotatably connected to the surface of the ball-distributing plate 433, and the piston rod of the power cylinder 47 is retracted to drive the ball-distributing plate 433 to rotate around its own axis.

[0046] Reference Figure 3 and Figure 5 In the embodiment of the present application, there are four steel ball hoses 410, one end of the four steel ball hoses 410 in the axial direction is fixed at intervals on the surface of the ball bottle 42 facing the goal block 435, and the other end of the four steel ball hoses 410 in the axial direction is fixed at intervals on the surface of the goal block 435. The steel ball in the ball bottle 42 enters the positioning hole 4341 through the steel ball hose 410 and the goal block 435, so as to realize the directional feeding of the steel ball in the positioning hole 4341; the ball-poking cylinder 45 is fixed to the surface of the ball bottle 42 by bolts, and the piston rod axis of the ball-poking cylinder 45 and the base 1 The height directions are parallel to each other, the end of the piston rod of the ball-poking cylinder 45 passes through the surface of the ball bottle 42 and is located in the inner cavity of the ball bottle 42, the ball-poking plate 44 is slidably connected to the inner wall of the ball bottle 42, the sliding direction of the ball-poking plate 44 and the height direction of the machine base 1 are parallel to each other, one side of the ball-poking plate 44 abuts against the steel ball in the ball bottle 42, and the other end of the ball-poking plate 44 is fixed to the piston rod surface of the ball-poking cylinder 45 located in the ball bottle 42, the piston rod of the ball-poking cylinder 45 extends out to drive the ball-poking plate 44 to squeeze the steel ball in the ball bottle 42, and drive the steel ball in the ball bottle 42 into the steel ball hose 410.

[0047] Reference Figure 3 and Figure 5 In the embodiment of the present application, there are four counters 46, and the counters 46 correspond to and are fixed to the steel ball hose 410 one by one. The counters 46 can count the number of steel balls entering the steel ball hose 410. The controller is installed between the four counters 46 and the ball-poking cylinder 45. The counter 46 sends the number of goals in the steel ball hose 410 to the controller, and the controller compares the number of goals with a preset value. When the number of goals is equal to the preset value, the controller drives the ball-poking cylinder 45 to stop running, thereby realizing precise control of the number of goals scored in the steel ball hose 410.

[0048] Reference Figure 4 and Figure 5 , the steel balls in the ball bottle 42 are sequentially embedded in the positioning holes 4341 through the steel ball hose 410 and the ball dividing block. When multiple positioning holes 4341 are embedded with steel balls, the power motor 48 drives the driving wheel 49 to rotate, driving the gear plate 434 to rotate around its own axis. The positioning holes 4341 correspond to and are connected with the connecting grooves 4331 one by one. The steel balls in the positioning holes 4341 enter the connecting grooves 4331. When multiple connecting grooves 4331 are embedded with steel balls, the piston rod of the power cylinder 47 extends out, driving the ball dividing plate 433 to rotate around its own axis. The connecting grooves 4331 correspond to and are connected with the feeding grooves 4321 one by one. The steel balls in the connecting grooves 4331 are embedded in the mounting holes located at the ball loading station through the feeding grooves 4321 one by one, thereby realizing the automatic assembly of the steel balls in the mounting holes on the retaining frame.

[0049] Reference Figure 1The imaging component 5 includes a camera 51, a controller and an imaging seat 52. The imaging seat 52 is fixed on the surface of the machine base 1 facing the imaging station. The imaging seat 52 is located on the surface of the imaging station for placing the retaining frame. The camera 51 is fixed on the surface of the imaging seat 52 facing the imaging station. The camera 51 is electrically connected to the controller. The camera 51 takes a picture of the retaining frame located at the imaging station and sends it to the controller. The controller detects whether the retaining frame in the photo is missing steel balls, reduces the yield of defective products, and thus improves the assembly quality of the thrust ball bearing.

[0050] Reference Figure 1 The riveting assembly 6 includes an upper die 61 and a lower die 62. The lower die 62 is fixed on the surface of the machine base 1 facing the riveting station. The upper die 61 is slidably connected to the surface of the lower die 62. The sliding direction of the upper die 61 and the height direction of the machine base 1 are parallel to each other. When the upper die 61 slides in the direction close to the lower die 62, the upper die 61 and the lower die 62 are closed and squeeze the surface of the retaining frame, driving the steel ball to be riveted and fixed on the inner wall of the mounting hole to form a rolling element assembly, thereby completing the automated assembly of the rolling element assembly.

[0051] Reference Figure 1 and Figure 6 The assembly component 7 includes an assembly seat 71, an assembly cylinder 72, an assembly block 73 and a transmission belt 74. The assembly seat 71 is connected to the surface of the machine base 1 facing the assembly station 1, the assembly seat 71 is located on the surface of the assembly station 1 for placing the tightening ring, the transmission belt 74 is connected to the surface of the machine base 1 close to the assembly station 1, the transmission belt 74 is located between the lower mold 62 and the assembly seat 71, the transmission direction of the transmission belt 74 and the width direction of the machine base 1 are parallel to each other, the surface of the transmission belt 74 is for placing the tightening ring, the assembly block 73 is fixed on the surface of the transmission belt 74 close to the assembly station 1, the assembly cylinder 72 is fixed on the surface of the transmission belt 74, the axis of the piston rod of the assembly cylinder 72 and the length direction of the machine base 1 are parallel to each other, and the end of the piston rod of the assembly cylinder 72 faces the assembly station 1.

[0052] Reference Figure 1 and Figure 6 When the tight ring is placed on the surface of the transmission belt 74, the transmission belt 74 drives the tight ring to slide in the direction close to the assembly block. The tight ring is located between the assembly cylinder 72 and the assembly station 1. The piston rod of the assembly cylinder 72 extends out, and the piston rod surface of the assembly cylinder 72 abuts against the surface of the tight ring and drives the tight ring to slide in the direction close to the assembly seat 71. The tight ring is located on the surface of the assembly seat 71 facing the assembly station 1. The transmission device 2 clamps the rolling body assembly and is embedded in the tight ring located on the assembly station 1, thereby completing the automated assembly of the tight ring and the rolling body assembly.

[0053] Reference Figure 1 and Figure 6, the assembly component 8 includes an assembly seat 81, an assembly cylinder 82, an assembly block 83 and a transmission belt 84. The assembly seat 81 is connected to the surface of the machine base 1 facing the assembly station 2. The surface of the assembly seat 81 located at the assembly station 2 is provided with a limiting groove 811 for the rolling element assembly to be embedded. The transmission belt 84 is connected to the surface of the machine base 1 close to the assembly station 2. The transmission belt 84 is located between the assembly seat 1 71 and the assembly seat 81. The transmission direction of the transmission belt 84 is parallel to the transmission direction of the transmission belt 1 74. The surface of the transmission belt 84 is for placing loose rings. The assembly block 83 is fixed on the surface of the transmission belt 84 close to the assembly station 2. The assembly cylinder 82 is fixed on the surface of the transmission belt 84. The axis of the piston rod of the assembly cylinder 82 is parallel to the length direction of the machine base 1. The end of the piston rod of the assembly cylinder 82 faces the assembly station 2.

[0054] Reference Figure 2 and Figure 6 The transmission device 2 clamps the retaining frame located on the assembly station one and embeds it into the limiting groove 811. The loose ring is placed on the surface of the transmission belt 2 84. The transmission belt 2 84 drives the loose ring to move toward the direction close to the assembly block 2 83. The surface of the assembly block 2 83 abuts against the surface of the loose ring to form a limit. The loose ring is located between the assembly cylinder 2 82 and the assembly station two. The piston rod of the assembly cylinder 2 82 extends out, and the rod surface of the piston rod of the assembly cylinder 2 82 abuts against the surface of the loose ring and drives the loose ring to slide toward the direction close to the assembly station two. The loose ring is embedded in the limiting groove 811 and embedded in the surface of the rolling element retaining frame away from the tight ring to form a thrust ball bearing, thereby realizing the automatic assembly of the thrust ball bearing, without the need for manual assembly by the staff, reducing the phenomenon of lack of steel balls in the retaining frame, improving the assembly efficiency of the thrust ball bearing, shortening the assembly cycle of the thrust ball bearing, and thus reducing the production cost of the thrust ball bearing.

[0055] Reference Figure 2 and Figure 6 The transmission device 2 includes a loading component 21 and a plurality of connecting components 22. The loading component 21 is installed on the surface of the machine base 1 close to the positioning station. The loading component 21 can move the retaining frame to the surface of the positioning seat 31. The loading component 21 includes a conveyor belt 211, an abutment block 212 and a loading cylinder 213. The conveyor belt 211 is installed on the surface of the machine base 1 close to the positioning seat 31. The conveyor belt 211 is located on the side of the positioning seat 31 away from the ball-loading seat 41. The transmission direction of the conveyor belt 211 and the transmission direction of the transmission belt 74 are parallel to each other. The surface of the transmission belt is used for placing the retaining frame. The abutment block 212 is fixed on the surface of the conveyor belt 211 close to the positioning station. The loading cylinder 213 is fixed on the surface of the conveyor belt 211 close to the positioning station by bolts. The axis of the piston rod of the loading cylinder 213 is parallel to the length direction of the machine base 1, and the end of the piston rod of the loading cylinder 213 faces the positioning station.

[0056] Reference Figure 2 and Figure 6 When the retainer is placed on the surface of the conveyor belt 211, the conveyor belt 211 drives the retainer to slide toward the surface close to the abutment block 212, and the retainer surface abuts the surface of the abutment block 212. The retainer is located between the positioning station and the loading cylinder 213, and the loading cylinder 213 piston rod extends. The piston rod surface of the loading cylinder 213 abuts the retainer surface and drives the retainer to slide in the direction close to the positioning seat 31. The retainer is located on the surface of the positioning seat 31 facing the positioning station, thereby realizing directional loading of the retainer on the positioning seat 31.

[0057] Reference Figure 2 and Figure 6 In the embodiment of the present application, the number of connecting components 22 is three, and the three connecting components 22 are connected to the surface of the machine base 1 in sequence and at intervals. The arrangement direction of the connecting components 22 and the length direction of the machine base 1 are parallel to each other. The first connecting component 22 is located on the surface of the machine base 1 close to the ball loading station, and the connecting component 22 can clamp the retaining frame of the positioning seat 31 toward the positioning station and be placed in sequence on the surface of the ball loading seat 41 facing the ball loading station and the surface of the imaging seat 52 facing the imaging station. The first connecting component 22 is located on the surface of the machine base 1 close to the riveting station, and the connecting component 22 can clamp the retaining frame of the imaging seat 52 toward the imaging station and be placed in sequence on the surface of the lower mold 62 and the surface of the assembly seat 1 71 facing the assembly station 1. The third connecting component 22 is located on the surface of the machine base 1 close to the assembly station 2, and the connecting component 22 can clamp the rolling element assembly and the tightening ring of the assembly seat 1 71 facing the assembly station 1 and be placed in the limiting groove 811 of the assembly seat 2 81 facing the assembly station 2.

[0058] Reference Figure 2 and Figure 6 The connecting assembly 22 includes a connecting seat 221, a connecting cylinder 222, a connecting rod 223, a connecting cylinder 222 and a clamping cylinder 225. The connecting seat 221 is fixed on the surface of the machine base 1, the connecting rod 223 is slidably connected to the surface of the connecting seat 221, the sliding direction of the connecting rod 223 and the length direction of the machine base 1 are parallel to each other, the connecting cylinder 222 is slidably connected to the rod surface of the connecting rod 223, the sliding direction of the connecting cylinder 222 and the length direction of the machine base 1 are parallel to each other, the axis of the piston rod of the connecting cylinder 222 and the height direction of the machine base 1 are parallel to each other, the piston rod of the connecting cylinder 222 faces the surface of the machine base 1, the clamping cylinder 225 is connected to the rod surface of the piston rod of the connecting cylinder 222, the clamping end of the clamping cylinder 225 can be embedded in the inner ring of the retaining frame to form a limit, thereby realizing the directional limit of the clamping end of the retaining frame clamping cylinder 225.

[0059] The implementation principle of an automatic assembly device for thrust ball bearings in an embodiment of the present application is as follows: when assembling the thrust ball bearings, the transmission device 2 drives the retaining frame to pass through the positioning station, the ball loading station, the imaging station, the riveting station, the assembly station one and the assembly station two in sequence; the positioning component 3 can drive the retaining frame to rotate around its own axis and locate the mounting holes; the ball loading component 4 can embed multiple steel balls into multiple mounting holes on the retaining frame located at the ball loading station in sequence; the imaging component 5 can take a picture of the retaining frame at the imaging station to check whether there are any steel balls missing from the mounting holes on the retaining frame at the imaging station The riveting component 6 can rivet and fix the steel ball located on the riveting station to the inner wall of the mounting hole to form a rolling body component, the assembly component 1 7 can embed the rolling body component into the tight ring located on the assembly station 1, and the assembly component 2 8 can embed the loose ring into the rolling body component located on the assembly station 2 to form a thrust ball bearing, thereby realizing the automatic assembly of the thrust ball bearing, eliminating the need for manual assembly by staff, reducing the occurrence of a lack of steel balls in the cage, improving the assembly efficiency of the thrust ball bearing, shortening the assembly cycle of the thrust ball bearing, and thus reducing the production cost of the thrust ball bearing.

[0060] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An automatic assembly device for a thrust ball bearing, wherein a plurality of mounting holes for embedding steel balls are provided at intervals on the surface of the retainer, characterized in that: The invention comprises a machine base (1), a transmission device (2), a positioning component (3), a ball loading component (4), an imaging component (5), a riveting component (6), an assembly component 1 (7) and an assembly component 2 (8), wherein the surface of the machine base (1) is provided with a positioning station, a ball loading station, an imaging station, a riveting station, an assembly component 1 and an assembly component 2 at intervals, and the transmission device (2) is connected to the surface of the machine base (1), and the transmission device (2) can drive the retaining frame to pass through the positioning station, the ball loading station, the imaging station, the riveting station, the assembly component 1 and the assembly component 2 in sequence. Assembly station one and assembly station two, the positioning component (3), imaging component (5), riveting component (6), assembly component one (7) and assembly component two (8) are sequentially connected to the surface of the machine base (1) at intervals, the positioning component (3) can drive the retaining frame on the positioning station to rotate to the position of the positioning installation hole, the imaging component (5) can take a picture of the retaining frame on the imaging station, the riveting component (6) can rivet the steel ball on the riveting station into the fixed installation hole to form a rolling element component, the assembly component one (7) The rolling element assembly on the first assembly station can be embedded in the tight ring, and the second assembly assembly (8) can embed the loose ring into the rolling element assembly on the second assembly station. The ball loading assembly (4) comprises a ball loading seat (41), a ball bottle (42), an assembly plate (43) and a plurality of steel ball hoses (410). The ball loading seat (41) is connected to the surface of the machine base (1) facing the ball loading station, the ball bottle (42) is connected to the surface of the ball loading seat (41), the assembly plate (43) is connected to the surface of the ball loading seat (41), and the The surface of the assembly plate (43) is provided with a plurality of positioning holes (4341) for steel balls to be embedded at intervals, one end of the plurality of steel ball hoses (410) is connected to the ball bottle (42) at intervals, and the other end of the plurality of steel ball hoses (410) is connected to the surface of the assembly plate (43) at intervals, and the steel balls in the ball bottle (42) enter the plurality of positioning holes (4341) through the steel ball hoses (410), and the positioning holes (4341) correspond to the mounting holes one by one, and the steel balls in the positioning holes (4341) are embedded in the mounting holes;The assembly plate (43) comprises a fixed plate (431), a ball loading mold (432), a ball distribution plate (433), a gear plate (434) and a ball ball block (435); the fixed plate (431) is connected to the surface of the ball loading seat (41); the ball loading mold (432) is connected to the plate surface of the fixed plate (431); a plurality of feed troughs (4321) for steel balls to pass through are arranged at intervals on the surface of the ball loading mold (432) facing the ball loading station; the feed troughs (4321) are connected to the ball loading seat (41); The mounting holes on the workstation correspond to each other. The gear plate (434) and the ball distribution plate (433) are stacked in sequence and rotatably connected to the surface of the ball loading mold (432) facing the ball pin (42). The axis of the gear plate (434) and the axis of the ball distribution plate (433) coincide. The ball distribution plate (433) is located between the gear plate (434) and the ball loading mold (432). The surface of the ball distribution plate (433) is provided with a plurality of connection grooves (4331) for steel balls to pass through. The connection grooves (4331) corresponds to and is connected to the feed chute (4321) one by one, a plurality of positioning holes (4341) are distributed on the surface of the gear plate (434) at intervals around the axis of the gear plate (434), the goal block (435) is connected to the surface of the ball loading mold (432) facing the ball pin (42), and the end of the steel ball hose (410) away from the ball pin (42) is connected to the surface of the goal block (435). When the steel balls in the ball pin (42) pass through the steel ball hose (410) in sequence, When the ball block (435) is inserted into the positioning hole (4341), the gear plate (434) rotates, the positioning hole (4341) is connected to the connecting groove (4331), the steel ball in the positioning hole (4341) enters the connecting groove (4331), drives the ball distribution plate (433) to rotate, the connecting groove (4331) is connected to the feeding groove (4321), and the steel ball in the connecting groove (4331) enters the installation hole through the feeding groove (4321). ; 2. The automatic assembly device for thrust ball bearings according to claim 1, characterized in that: The ball loading assembly (4) further comprises a ball poking plate (44), a ball poking cylinder (45), a counter (46) and a controller. The ball poking cylinder (45) is connected to the surface of the ball bottle (42). One side of the ball poking plate (44) is connected to the piston rod of the ball poking cylinder (45). The other side of the ball poking plate (44) abuts against the surface of the steel ball in the ball bottle (42). The counter (46) is connected to the steel ball hose (410). The counter (46) counts the number of steel balls entering the steel ball hose (410). The controller is connected between the counter (46) and the ball poking cylinder (45). The counter (46) sends the number of steel balls to the controller. The controller compares the number of steel balls with a preset value. When the number of steel balls is equal to the preset value, the controller drives the ball poking cylinder (45) to stop running.

3. The thrust ball bearing automatic assembly device according to claim 1, characterized in that: The ball loading assembly (4) further comprises a power cylinder (47), a power motor (48) and a driving wheel (49); the power motor (48) is connected to the surface of the ball loading mold (432); the motor axis of the power motor (48) and the rotation axis of the gear plate (434) are parallel to each other; the driving wheel (49) is coaxially connected to the motor shaft of the power motor (48); the wheel surface of the driving wheel (49) meshes with the tooth surface of the gear plate (434); the power cylinder (47) is connected to the surface of the ball loading mold (432); the piston rod of the power cylinder (47) is rotatably connected to the surface of the ball distribution plate (433); the power cylinder (47) drives the ball distribution plate (433) to rotate on the surface of the ball loading mold (432) through the extension and retraction of the piston rod.

4. The thrust ball bearing automatic assembly device according to claim 1, characterized in that: The positioning assembly (3) comprises a positioning seat (31), a sliding seat (32), an optical fiber sensor (33), a positioning motor (34) and a positioning cylinder (35). The positioning seat (31) is connected to a surface of the machine base (1) facing the positioning station. The surface of the positioning seat (31) is for a retaining frame to be placed. The optical fiber sensor (33) is connected to the surface of the positioning seat (31). The optical fiber sensor (33) can detect the position of a mounting hole on the retaining frame located at the positioning station. The sliding seat (32) is slidably connected to the surface of the machine base (1). The positioning cylinder (35) is connected to a surface of the sliding seat (32) facing the positioning seat (31). The positioning motor (34) is connected to a piston rod of the positioning cylinder (35). A positioning cavity (311) for a motor shaft of the positioning motor (34) to pass through is provided on the surface of the positioning seat (31). The motor shaft of the positioning motor (34) can pass through the positioning cavity (311) and be embedded in the inner ring of the retaining frame to drive the retaining frame to rotate.

5. The automatic assembly device for thrust ball bearings according to claim 4, characterized in that: The transmission device (2) comprises a loading assembly (21), the loading assembly (21) comprising a conveyor belt (211), an abutment block (212) and a loading cylinder (213), the conveyor belt (211) being connected to the surface of the machine base (1), the surface of the conveyor belt (211) being provided for placing a retaining frame, the abutment block (212) being connected to the surface of the conveyor belt (211) close to the positioning station, the loading cylinder (213) being connected to the surface of the conveyor belt (211), the piston rod of the loading cylinder (213) facing the positioning station, when the conveyor belt (211) drives the retaining frame close to the abutment block (212), the surface of the abutment block (212) abuts against the surface of the retaining frame, the piston rod surface of the loading cylinder (213) abuts against the surface of the retaining frame, the piston rod of the loading cylinder (213) extends, and drives the retaining frame to move to the surface of the positioning seat (31) facing the positioning station.

6. The thrust ball bearing automatic assembly device according to claim 4, characterized in that: The transmission device (2) further comprises a connecting assembly (22), wherein the connecting assembly (22) comprises a connecting seat (221), a connecting rod (223), a connecting cylinder (222) and a clamping cylinder (225), wherein the connecting seat (221) is connected to a surface of the machine base (1) facing the ball loading station, the connecting rod (223) is slidably connected to the surface of the connecting seat (221), the sliding direction of the connecting rod (223) and the sliding direction of the sliding seat (32) are parallel to each other, the connecting cylinder (222) is slidably connected to the surface of the connecting block, and the connecting cylinder (225) is slidably connected to the surface of the connecting block. The sliding direction of the connecting rod (222) and the sliding direction of the connecting rod (223) are perpendicular to each other. The clamping cylinder (225) is connected to the piston rod of the connecting cylinder (222). The clamping end of the clamping cylinder (225) can clamp the retaining frame on the positioning station. When the connecting cylinder (222) slides along the surface of the connecting rod (223) toward the positioning station, the clamping end of the clamping cylinder (225) faces the retaining frame on the positioning station, the piston rod of the connecting cylinder (222) extends, and the clamping end of the clamping cylinder (225) clamps the retaining frame of the positioning station.

7. The thrust ball bearing automatic assembly device according to claim 1, characterized in that: The imaging component (5) comprises a camera (51), a controller and an imaging seat (52); the imaging seat (52) is connected to the surface of the machine base (1) facing the imaging station; the surface of the imaging seat (52) is used for placing a retaining frame; the camera (51) is connected to the surface of the imaging seat (52) facing the imaging station; the camera (51) is electrically connected to the controller; the camera (51) can take a photo of the retaining frame of the imaging station and send it to the controller; the controller detects whether the retaining frame in the photo is missing a steel ball.

8. The thrust ball bearing automatic assembly device according to claim 1, characterized in that: The riveting assembly (6) comprises an upper die (61) and a lower die (62), wherein the lower die (62) is connected to the surface of the machine base (1) facing the riveting station, and the upper die (61) is slidably connected to the surface of the lower die (62). When the retaining frame is placed on the surface of the lower die (62) facing the upper die (61), the upper die (61) slides in a direction close to the lower die (62), and the upper die (61) and the lower die (62) squeeze the surface of the retaining frame and rivet and fix the steel ball in the mounting hole to form a rolling element assembly.

9. The thrust ball bearing automatic assembly device according to claim 1, characterized in that: The assembly component (7) comprises an assembly seat (71), an assembly cylinder (72), an assembly block (73) and a transmission belt (74); the assembly seat (71) is connected to a surface of the machine base (1) facing the assembly station (1); the surface of the assembly seat (71) is used to place a tightening ring; the transmission belt (74) is connected to a surface of the machine base (1) close to the assembly station (1); the surface of the transmission belt (74) is used to place a tightening ring; the assembly block (73) is connected to a surface of the transmission belt (74) close to the assembly station (1); the assembly cylinder (72) is used to place the tightening ring; Connected to the surface of a transmission belt (74), the piston rod of the assembly cylinder (72) faces the assembly station. When the transmission belt (74) drives the tightening ring to approach the assembly block (73), the surface of the tightening ring abuts against the surface of the assembly block (73), the piston rod of the assembly cylinder (72) extends out, and the piston rod surface of the assembly cylinder (72) abuts against the surface of the tightening ring and drives the tightening ring to move to the surface of the assembly seat (71) facing the assembly station. The transmission device (2) clamps the rolling element assembly of the riveting station and is embedded in the surface of the tightening ring located on the assembly station.

Images