CN113894523A

CN113894523A - Steel ball assembling device for bearing retainer

Info

Publication number: CN113894523A
Application number: CN202111311683.9A
Authority: CN
Inventors: 沈立言
Original assignee: WUXI SANLI BEARINGS CO Ltd
Current assignee: WUXI SANLI BEARINGS CO Ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-01-07
Anticipated expiration: 2041-11-08
Also published as: CN113894523B

Abstract

The invention discloses a bearing retainer steel ball assembling device which transfers a retainer to a turntable through a retainer loading station, the retainer falls into a blanking vacancy on the turntable, the turntable conveys the retainer to the steel ball assembling station through rotation, a receiving device under the steel ball assembling station receives the retainer and then installs steel balls on the retainer, the turntable continues to rotate after the steel balls are installed, the assembled retainer is driven to a blanking station to realize blanking of materials, the assembling work of the steel balls of the bearing retainer is completed through the process, the loading, the installing and the blanking operation are realized on the same machine, the manual intervention is avoided, and the steel ball assembling efficiency is improved. Meanwhile, the station is compact and simple in structure, and low-cost automation is realized.

Description

Steel ball assembling device for bearing retainer

Technical Field

The invention relates to the technical field of angular contact bearing assembly, in particular to a steel ball assembly device for an angular contact bearing.

Background

In the installation of the bearing steel balls at the present stage, a large number of steel balls are clamped at one time by a large clamping jaw, and then the steel balls are pressed on a retainer of the bearing in batches by the clamping jaw, so that the installation of the steel balls is realized.

However, such steel ball clamping jaws are expensive to manufacture, relatively poor in stability due to complex structures, and it is difficult for general bearing processing manufacturers to spend such a large cost to use such an assembly clamping jaw, and even if such a clamping jaw is used, the matching between the assembly station and other stations needs to be adjusted adaptively, which undoubtedly increases the production cost for enterprises and also needs to consume a large amount of time.

The size of the bearing produced by most enterprises is relatively single, the labor cost is also used under the condition that the productivity is kept up with the production capacity, and automatic equipment cannot be adopted, so that the production efficiency of the enterprises is undoubtedly difficult to promote.

Disclosure of Invention

In order to realize the assembly automation of the bearing steel balls at lower cost, the technical scheme of the invention provides a steel ball assembly device of a bearing retainer. The technical scheme is as follows:

the bearing retainer steel ball assembling device comprises a rack, a rotary disc, a retainer loading station, a steel ball assembling station and a blanking station, wherein the rotary disc is rotatably arranged on the rack, the retainer loading station, the steel ball assembling station and the blanking station are arranged on the rack, are arranged on the outer ring of the rotary disc in an annular mode and transport materials through the rotary disc, at least one blanking vacancy is arranged on the rotary disc, rotates along with the rotary disc and is in butt joint with the retainer loading station, the steel ball assembling station and the blanking station, a material receiving device is arranged on the steel ball assembling station, and the material receiving device is configured on a receiving retainer.

The retainer is transferred to the rotary table through the retainer feeding station, the retainer falls into a blanking vacancy on the rotary table, the rotary table conveys the retainer to the steel ball assembling station through rotation, the material receiving device under the steel ball assembling station receives the retainer and then installs the steel balls on the retainer, the rotary table continues to rotate after the steel balls are installed, the assembled retainer is driven to the blanking station to achieve blanking of materials, the assembling work of the steel balls of the bearing retainer is completed through the process, the feeding installation and the blanking operation are achieved on the same machine, manual intervention is avoided, and the steel ball assembling efficiency is improved.

Meanwhile, the station is compact and simple in structure, and low-cost automation is realized.

Specifically, the receiving device comprises a receiving disc and a lifting and rotating device, the projection of the receiving disc on the horizontal plane completely falls into the projection of the blanking vacancy on the horizontal plane, and the lifting and rotating device drives the receiving disc to do lifting and rotating actions.

The material tray is jacked up through the lifting and rotating device, and meanwhile, the retainer on the material tray is driven to rise, so that the installation of the steel balls is facilitated while the retainer is positioned.

Specifically, the steel ball assembly station comprises a steel ball feeding device and a steel ball driving device, and the steel ball feeding device supplies steel balls to the steel ball driving device through a channel.

Through the steel ball feeding device and the channel, automatic feeding of the steel balls is realized, and the automation level of the whole machine is further improved.

Particularly, the steel ball driving device comprises a telescopic power device and a driving head arranged at the telescopic end of the telescopic power device, one end of the driving head is fixedly connected with the telescopic end of the telescopic power device, and the other end of the driving head is provided with a groove corresponding to the surface shape of the steel ball.

The arrangement of the groove ensures that the relative position of the steel ball and the driving head can not be changed when the steel ball is assembled by the driving head, thereby ensuring the smooth driving of the steel ball.

Preferably, the steel ball driving device further comprises a mounting plate, the fixed end of the telescopic power device is fixed on the mounting plate, a guide cylinder is further arranged on the mounting plate, the other end of the driving head extends into the guide cylinder, the diameter of the inner wall of the guide cylinder is larger than the outer diameter of the driving head, and the channel penetrates through the guide cylinder and supplies the steel balls to the guide cylinder.

Through the setting of guide cylinder for on the accurate holder of impressing under the guide effect of guide cylinder of steel ball can, provide the direction for the direction of squeezing into the head simultaneously, guaranteed the stability of squeezing into the operation.

Specifically, mounting panel one end is articulated with the frame, and the other end of mounting panel is connected with the frame through adjusting the post, and the one end that the adjustment post is close to the mounting panel is provided with the waist hole, and the mounting panel is fixed in the waist hole, and the other end of adjustment post is articulated with the frame.

Through waist hole and articulated setting, guaranteed the angularly adjustable of mounting panel, made things convenient for precision adjustment and assembly installation.

Specifically, the unloading station includes flitch and the stack frame down, and flitch one end is connected with the frame down, and the flitch other end is connected with the stack frame down, and flitch one end is higher than the flitch other end down on vertical face down.

Through the arrangement of the blanking plate, the assembled retainer can perform blanking operation under the action of the retainer, so that the blanking structure and the energy consumption are saved.

Specifically, the stacking frame comprises a support, a bearing frame and a lifting power device, wherein the bearing frame is arranged at the movable end of the lifting power device, and the fixed end of the lifting power device is arranged on the support.

Due to the arrangement of the stacking frame, the assembled retainer can be stacked and placed, material taking of a subsequent process is facilitated, and meanwhile, blanking damage is avoided, and the quality of a product is guaranteed.

Particularly, a second vacancy and a third vacancy are respectively formed in a steel ball assembling station and a blanking station on the rack, the projection of the second vacancy on the horizontal plane comprises the projection of the receiving disc on the horizontal plane and completely falls into the projection of the blanking vacancy on the horizontal plane, meanwhile, the projection of the second vacancy on the horizontal plane completely falls into the projection of the retainer on the horizontal plane, and the gravity center of the bearing retainer is located in the vertical projection of the third vacancy.

Make the frame can guarantee through the second vacancy that the holder does not drop and can let the material receiving plate rise simultaneously again, guarantee through the third vacancy that the holder can fall simultaneously.

Particularly, the top of the receiving disc is annularly provided with a receiving groove, the outer diameter of the receiving groove is smaller than or equal to the inner diameter of the retainer, and the outer diameter of the receiving disc is larger than the inner diameter of the retainer.

The retainer can be kept stable in the material receiving groove by the arrangement of the material receiving groove, and the stability of the device is further improved.

To sum up, the retainer is transferred to the turntable through the retainer loading station, the retainer falls into a blanking vacancy on the turntable, the turntable conveys the retainer to the steel ball assembling station through rotation, the receiving device under the steel ball assembling station receives the retainer and then installs the steel ball on the retainer, the turntable continues to rotate after the steel ball is installed, the assembled retainer is driven to the unloading station to realize unloading of materials, the assembling work of the steel ball of the bearing retainer is completed through the process, the loading installation and the unloading operation are realized on the same machine, the manual intervention is avoided, and the steel ball assembling efficiency is improved. The material tray is jacked up through the lifting and rotating device, and meanwhile, the retainer on the material tray is driven to rise, so that the installation of the steel balls is facilitated while the retainer is positioned. Through the steel ball feeding device and the channel, the automatic feeding of the steel balls is realized, the automation level of the whole machine is further improved, the relative position of the steel balls and the driving head is not changed when the steel balls are assembled by the driving head is ensured by the arrangement of the groove, so that the smooth driving of the steel balls is ensured, the steel balls can be accurately pressed into the retainer under the guiding action of the guide cylinder by the arrangement of the guide cylinder, meanwhile, the guide is provided for the driving direction of the driving head, the stability of the driving operation is ensured, the angle of the mounting plate is ensured by the arrangement of the waist hole and the hinge joint, the precision adjustment and the assembly and installation are convenient, the assembled retainer can carry out the blanking operation under the self action by the arrangement of the blanking plate, the blanking structure and the energy consumption are saved, the assembled retainer can be stacked and placed by the arrangement of the stacking frame, the material of getting of convenient later process avoids the blanking damage to guarantee the quality of product simultaneously, makes the frame can guarantee through the second vacancy that the holder does not fall down and can let the material receiving disc rise simultaneously, guarantees through the third vacancy that the holder can fall simultaneously, makes the holder can connect the inslot to remain stable through the setting that connects the silo, has further promoted the stability of device.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention, in which:

FIG. 1 is a schematic perspective view of a steel ball assembling device for a bearing retainer according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of FIG. 1 from another perspective;

FIG. 3 is a schematic perspective view of FIG. 2 from another perspective;

FIG. 4 is a schematic perspective view of a stacking rack;

FIG. 5 is a schematic perspective view of the steel ball driving device;

FIG. 6 is a schematic perspective view of the turntable;

FIG. 7 is a schematic perspective view of the frame;

FIG. 8 is a perspective view of the retainer;

FIG. 9 is a schematic perspective view of the retainer after the steel balls are driven in;

FIG. 10 is a front view of a ball assembling apparatus for a bearing cage according to an embodiment of the present invention;

FIG. 11 is a side view of FIG. 10;

FIG. 12 is a top view of FIG. 10;

FIG. 13 is a schematic view of a non-working state of a steel ball assembling station;

FIG. 14 is a schematic view of the ball assembly station receiving a cage;

FIG. 15 is an enlarged view of a portion of FIG. 14 at A;

FIG. 16 is a schematic view of a steel ball assembling station in a jacking state;

FIG. 17 is a schematic view of a steel ball striking station;

fig. 18 is a partial enlarged view at B in fig. 17;

FIG. 19 is a top view of the steel ball assembling station in operation;

FIG. 20 is a schematic view of a first process of the blanking station;

FIG. 21 is a schematic view of a second process of the blanking station;

FIG. 22 is a schematic view of a third process of the blanking station;

FIG. 23 is an overall schematic view of FIG. 22;

FIG. 24 is a schematic view of a fourth process of the blanking station;

fig. 25 is a schematic view of a fifth process of the blanking station.

Reference numerals: 1 rack, 2 turntables, 3 retainer feeding stations, 4 steel ball assembling stations, 5 blanking stations, 6 blanking vacancies, 7 material receiving devices, 8 second vacancies, 9 third vacancies, 71 material receiving discs, 72 lifting and rotating devices, 711 material receiving tanks, 41 steel ball feeding devices, 42 steel ball driving devices, 43 channels, 421 telescopic power devices, 422 driving heads, 423 grooves, 424 mounting plates, 425 guide cylinders, 426 adjusting columns, 51 material discharging plates, 52 stacking frames, 521 supports, 522 bearing frames, 523 lifting and power devices

Detailed Description

The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

In the installation of the steel balls of the bearing at the present stage, a large number of steel balls are clamped at one time by a large clamping jaw, and then the steel balls are pressed on a retainer of the bearing in batches by the clamping jaw, so that the installation of the steel balls is realized, the style of the retainer is shown as figure 8, and the style of the retainer with the steel balls is shown as figure 9.

In order to realize the assembly automation of the bearing steel balls with lower cost, the technical scheme of the invention provides a bearing retainer steel ball assembly device, which comprises the following steps:

the invention is explained in further detail below with reference to the drawing.

As shown in fig. 1, 2, 3, 10, 11 and 12, the steel ball assembling device for the bearing retainer comprises a frame 1, a rotary table 2, a retainer loading station 3, a steel ball assembling station 4 and a blanking station 5, wherein the rotary table 2 is rotatably installed on the frame 1, the retainer loading station 3, the steel ball assembling station 4 and the blanking station 5 are installed on the frame 1 and are annularly arranged on the outer ring of the rotary table 2, and materials are transported through the rotary table 2, at least one blanking vacancy 6 is arranged on the rotary table 2, the blanking vacancy 6 rotates along with the rotary table 2 and is butted with the retainer loading station 3, the steel ball assembling station 4 and the blanking station 5, a material receiving device 7 is arranged on the steel ball assembling station 4, and the material receiving device 7 is configured on a receiving retainer.

During actual installation, the rotary table 2 is rotatably installed on the rack 1 through the rotary motor, the rotary motor is fixed on the rack 1, the center of the rotary table 2 is fixedly connected with a rotary shaft of the rotary motor, and a key connection or a coupling joint can be adopted to connect a speed reducer of the rotary motor.

As shown in fig. 6, in this embodiment, in order to further improve the material transporting efficiency of the rotary table 2, two blanking gaps 6 are provided on the rotary table 2, and when one of the blanking gaps is located at the steel ball assembling station 4, the other blanking gap is located at the retainer loading station 3, so that the production cycle time is further saved.

The loading of the holders is a stacking of the holders, which fall between the blanking opening 6 and the machine frame 1 when the blanking opening 6 is below the holders. The rotation of the blanking gap 6 then carries the holder to the next station.

Of course, the steel ball detection device is only based on cost consideration, and can be further arranged into 4 stations, detection stations are arranged before the steel ball striking station and the discharging station, the product can be detected through a simple weighing mode, and whether the steel ball is completely driven into the steel ball detection device or not is detected. For example, the detection is carried out by adopting weighing or photographing and other modes, and the four station surfaces of the table top are completely utilized for working.

The actual operation flow is that the retainer is transferred to the rotary table 2 through the retainer loading station 3 and falls into the blanking vacancy 6 on the rotary table 2, the rotary table 2 conveys the retainer to the steel ball assembling station 4 through rotation, the material receiving device 7 under the steel ball assembling station 4 receives the retainer and then installs the steel ball on the retainer, the rotary table 2 continues to rotate after the steel ball is installed, the assembled retainer is driven to the blanking station 5 to realize blanking of materials, the assembly work of the steel ball of the bearing retainer is completed through the flow, the loading installation and the blanking operation are realized on the same machine, the manual intervention is avoided, and the steel ball assembling efficiency is improved.

As shown in fig. 11, 13, and 14, the receiving device 7 includes a receiving tray 71 and a lifting and rotating device 72, a projection of the receiving tray 71 on the horizontal plane completely falls into a projection of the blanking gap 6 on the horizontal plane, and the lifting and rotating device 72 drives the receiving tray 71 to perform a lifting and rotating motion.

The lifting and rotating device 72 is a combination of a lifting cylinder and a rotating motor, the lifting cylinder lifts the receiving tray 71 and the rotating motor, the rotating motor drives the receiving tray 71 to rotate, for example, lifting cylinders are arranged on two side surfaces below the receiving tray 71 in fig. 13, and the rotating motor is arranged below the middle of the receiving tray 71.

The area of the receiving tray 71 is smaller than that of the receiving vacancy, otherwise the receiving tray 71 cannot rise from the receiving vacancy.

The receiving tray 71 is jacked up through the lifting and rotating device 72, and meanwhile, the retainer on the receiving tray is driven to lift, so that the installation of steel balls is facilitated while the retainer is positioned.

As shown in fig. 13, 16 and 19, the ball assembling station 4 includes a ball feeder 41 and a ball driving device 42, and the ball feeder 41 supplies balls to the ball driving device 42 through a passage 43.

Through the steel ball feeding device 41 and the channel 43, automatic feeding of the steel balls is realized, and the automation level of the whole machine is further improved.

The steel ball feeding device 41 is provided in this embodiment as a hopper for steel balls, but may be replaced with a feeding device such as a vibrating screen, etc., as economic conditions permit.

The steel ball driving device 42 comprises a telescopic power device 421 and a driving head 422 arranged at the telescopic end of the telescopic power device 421, one end of the driving head 422 is fixedly connected with the telescopic end of the telescopic power device 421, and the other end of the driving head 422 is provided with a groove 423 corresponding to the surface shape of the steel ball.

In the present embodiment, the power unit 421 is a cylinder, but a hydraulic cylinder, an electric cylinder, or the like may be used.

The arrangement of the groove 423 ensures that the relative position of the steel ball and the driving head 422 cannot be changed when the steel ball is assembled by the driving head 422, thereby ensuring the smooth driving of the steel ball.

The steel ball driving device 42 further comprises a mounting plate 424, the fixed end of the telescopic power device 421 is fixed on the mounting plate 424, the mounting plate 424 is further provided with a guide cylinder 425, the other end of the driving head 422 extends into the guide cylinder 425, the diameter of the inner wall of the guide cylinder 425 is larger than the outer diameter of the driving head 422, and the channel 43 penetrates through the guide cylinder 425 and supplies the steel balls to the guide cylinder 425.

In this embodiment, the guide cylinder 425 is a hollow tube, and is connected to the steel ball conveying passage 43.

Through the setting of guide cylinder 425 for on the accurate holder of impressing of steel ball can be under the guide effect of guide cylinder 425, provide the direction for the direction of driving into head 422 simultaneously, guaranteed the stability of the operation of driving into.

In actual production, the retainer is jacked up by the receiving tray 71, and when one steel ball is driven, the rotating motor drives the receiving tray 71 to rotate for a certain angle, so that the material driving head aligns to the next vacancy for steel ball driving operation.

As shown in fig. 17, one end of the mounting plate 424 is hinged to the frame 1, the other end of the mounting plate 424 is connected to the frame 1 through an adjusting column 426, a waist hole is formed in one end of the adjusting column 426 close to the mounting plate 424, the mounting plate 424 is fixed in the waist hole, and the other end of the adjusting column 426 is hinged to the frame 1.

Through waist hole and articulated setting, guaranteed mounting panel 424's angularly adjustable, made things convenient for precision adjustment and assembly installation.

As shown in fig. 4, 7 and 10, the blanking station 5 comprises a blanking plate 51 and a stacking rack 52, wherein one end of the blanking plate 51 is connected with the frame 1, the other end of the blanking plate 51 is connected with the stacking rack 52, and one end of the blanking plate 51 is higher than the other end of the blanking plate 51 on the vertical plane.

Due to the arrangement of the blanking plate 51, the assembled retainer can perform blanking operation under the action of the retainer, so that the blanking structure and the energy consumption are saved. In actual use, a proximity switch is arranged on the blanking plate 51, and as shown in fig. 20/21/22, whether the material is blanked or not is sensed through the proximity switch.

When the material just fell down, the material self gravity down along the unloading board down the gliding until through proximity switch, the time-recorder that proximity switch connected this moment begins the timing, waits that the material falls and bears after on the frame, and lift power device descends a material level downwards to wait for next material.

The specific blanking steps are shown in fig. 20-25.

The stacking rack 52 comprises a support 521, a bearing frame 522 and a lifting power device 523, wherein the bearing frame 522 is installed at the movable end of the lifting power device 523, and the fixed end of the lifting power device 523 is installed on the support 521. The lifting power device 523 of the stacking rack 52 uses a servo screw.

Due to the arrangement of the stacking frame 52, the assembled retainer can be stacked and placed, material taking of a subsequent process is facilitated, meanwhile, blanking damage is avoided, and the quality of a product is guaranteed.

As shown in fig. 7 and 15, a second vacancy 8 and a third vacancy 9 are respectively formed in the steel ball assembling station 4 and the blanking station 5 on the frame 1, the projection of the second vacancy 8 on the horizontal plane includes the projection of the receiving tray 71 on the horizontal plane and completely falls into the projection of the blanking vacancy 6 on the horizontal plane, meanwhile, the projection of the second vacancy 8 on the horizontal plane completely falls into the projection of the retainer on the horizontal plane, and the center of gravity of the bearing retainer is located in the vertical projection of the third vacancy 9.

The rack 1 can ensure that the retainer does not fall down and the receiving disc 71 can rise through the second vacancy 8, and simultaneously ensure that the retainer can fall through the third vacancy 9.

As shown in fig. 17 and 18, a receiving groove 711 is provided around the top of the receiving pan 71, the outer diameter of the receiving groove 711 is equal to or smaller than the inner diameter of the holder, and the outer diameter of the receiving pan 71 is larger than the inner diameter of the holder.

The holding frame can be kept stable in the material receiving groove 711 through the arrangement of the material receiving groove 711, and the stability of the device is further improved.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

As used herein, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the positional or orientational relationship illustrated in the figures to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention.

The appearances of the terms first, second, and third, if any, are used for descriptive purposes only and are not intended to be limiting or imply relative importance.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are included in the scope of the present invention.

Claims

1. Bearing holder steel ball assembly quality, its characterized in that: the automatic feeding device comprises a rack, a turntable, a retainer feeding station, a steel ball assembling station and a discharging station, wherein the turntable is rotatably arranged on the rack, the retainer feeding station, the steel ball assembling station and the discharging station are arranged on the rack, are annularly arranged on a turntable outer ring and transport materials through the turntable, at least one blanking vacancy is arranged on the turntable, rotates along with the turntable and is in butt joint with the retainer feeding station, the steel ball assembling station and the discharging station,

and the steel ball assembling station is provided with a material receiving device, and the material receiving device is configured on the receiving retainer.

2. The assembly device for steel balls of a bearing retainer according to claim 1, characterized in that: the receiving device comprises a receiving disc and a lifting and rotating device, the projection of the receiving disc on the horizontal plane completely falls into the projection of the blanking vacancy on the horizontal plane, and the lifting and rotating device drives the receiving disc to do lifting and rotating actions.

3. The bearing cage steel ball assembling apparatus according to claim 1 or 2, characterized in that: the steel ball assembling station comprises a steel ball feeding device and a steel ball driving device, and the steel ball feeding device supplies steel balls to the steel ball driving device through a channel.

4. The assembly device for steel balls of a bearing cage according to claim 3, characterized in that: the steel ball driving device comprises a telescopic power device and a driving head arranged at the telescopic end of the telescopic power device, one end of the driving head is fixedly connected with the telescopic end of the telescopic power device, and the other end of the driving head is provided with a groove corresponding to the surface shape of the steel ball.

5. The assembly device for steel balls of a bearing cage according to claim 4, characterized in that: the steel ball driving device further comprises a mounting plate, the fixed end of the telescopic power device is fixed to the mounting plate, a guide cylinder is further arranged on the mounting plate, the other end of the driving head extends into the guide cylinder, the diameter of the inner wall of the guide cylinder is larger than the outer diameter of the driving head, and the channel penetrates through the guide cylinder and supplies steel balls to the guide cylinder.

6. The assembly device for steel balls of a bearing cage according to claim 5, characterized in that: one end of the mounting plate is hinged to the rack, the other end of the mounting plate is connected with the rack through an adjusting column, a waist hole is formed in one end, close to the mounting plate, of the adjusting column, the mounting plate is fixed in the waist hole, and the other end of the adjusting column is hinged to the rack.

7. The bearing cage steel ball assembling apparatus according to claim 1 or 2, characterized in that: the blanking station comprises a blanking plate and a stacking frame, one end of the blanking plate is connected with the frame, the other end of the blanking plate is connected with the stacking frame, and one end of the blanking plate is higher than the other end of the blanking plate on a vertical surface.

8. The assembly device for steel balls of a bearing cage according to claim 7, characterized in that: the stacking frame comprises a support, a bearing frame and a lifting power device, wherein the bearing frame is installed at the movable end of the lifting power device, and the fixed end of the lifting power device is installed on the support.

9. The assembly device for steel balls of a bearing cage according to claim 2, characterized in that: a second vacancy and a third vacancy are respectively formed in the steel ball assembling station and the blanking station on the rack, the projection of the second vacancy on the horizontal plane includes the projection of the receiving disc on the horizontal plane and completely falls into the projection of the blanking vacancy on the horizontal plane, meanwhile, the projection of the second vacancy on the horizontal plane completely falls into the projection of the retainer on the horizontal plane, and the center of gravity of the bearing retainer is located in the vertical projection of the third vacancy.

10. The assembly device for steel balls of a bearing cage according to claim 2, characterized in that: the receiving tray is characterized in that a receiving groove is annularly arranged at the top of the receiving tray, the outer diameter of the receiving groove is smaller than or equal to the inner diameter of the retainer, and the outer diameter of the receiving tray is larger than the inner diameter of the retainer.