CN111468742A

CN111468742A - Be used for car outer ball cage outer lane polishing equipment

Info

Publication number: CN111468742A
Application number: CN202010313050.0A
Authority: CN
Inventors: 何亚群
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-07
Filing date: 2018-11-07
Publication date: 2020-07-31
Also published as: CN109396461A; CN109396461B

Abstract

The invention relates to the field of automobile outer ball cages, in particular to an outer ring polishing device for an automobile outer ball cage, which comprises a workbench, a driving polishing mechanism, a translation mechanism and a rotary cutter mechanism, wherein the driving polishing mechanism, the translation mechanism and the rotary cutter mechanism are arranged on the workbench, the driving polishing mechanism comprises a chuck and a driving assembly, the chuck can clamp the outer ball cage, the bottom of the driving assembly is fixedly arranged on the table surface of the workbench, the chuck is horizontally arranged above the driving assembly, one end of the chuck is in transmission connection with the working end of the driving assembly, the rotary cutter assembly comprises a turning tool and a rotary driving assembly, the output end of the turning tool and the axis of the chuck are on a horizontal plane, the bottom of the rotary driving assembly is movably arranged on the workbench, the turning tool is positioned above the rotary driving assembly, the turning tool is fixedly arranged at the working end of the rotary driving assembly, the translation mechanism is positioned at one side of the rotary driving assembly, the translation mechanism, the equipment is simple to operate and can be accurately processed.

Description

Be used for car outer ball cage outer lane polishing equipment

Technical Field

The invention relates to the field of automobile outer ball cages, in particular to polishing equipment for an outer ring of an automobile outer ball cage.

Background

the technical scheme is that a plurality of cars are driven by a front wheel, a gearbox and a driving axle are combined into a whole, the two half shafts are connected with a wheel and a gearbox to drive the car to run, the relative position between the wheel and the gearbox is changed frequently, the angle between a power output end and an input end is changed frequently, and therefore a universal transmission device is required to adjust, the universal transmission device is a ball cage which is commonly used on the car, the ball cage which is commonly used on the car is divided into two types, one type is a fixed ball cage type universal joint RF (radio frequency) joint which is characterized in that a main shaft and a secondary shaft can only rotate relatively and cannot generate axial displacement in the process of transmitting torque, the universal transmission device is commonly used at a position close to the wheel, namely an outer ball cage which is commonly used and is a commonly called, the other type is a telescopic ball joint V L which is characterized in that not only the main shaft and the secondary shaft can rotate relatively but also can generate axial displacement in the process of transmitting torque, the universal transmission device is commonly used at a position close to the driving axle, namely an inner ball cage which is commonly used at a steering cage which is often used when the outer ring of the car is processed, the outer ring of the ball cage, the outer ring of the ball cage which is not easily damaged, and the outer ring of the ball cage can not be damaged when the steering cage, the outer ring of the steering cage can not be damaged when the car is processed, the car, the steering cage, the outer ring of the steering cage can not be damaged, the steering cage can not be damaged when the steering cage can not be processed, the car is processed, the steering cage can not be damaged when the steering cage, the steering cage can be damaged when the steering cage can.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the polishing equipment for the outer ring of the outer ball cage of the automobile, which is simple to operate and can be accurately processed.

The invention discloses a polishing device for an outer ring of an automobile outer ball cage, which comprises a workbench, a driving polishing mechanism, a translation mechanism and a rotary cutter mechanism, wherein the driving polishing mechanism, the translation mechanism and the rotary cutter mechanism are arranged on the workbench, the driving polishing mechanism comprises a chuck and a driving component, the chuck and the driving component can clamp the outer ball cage, the bottom of the driving component is fixedly arranged on the table surface of the workbench, the chuck is horizontally arranged above the driving component, one end of the chuck is in transmission connection with the working end of the driving component, the rotary cutter component comprises a turning tool for processing the outer ball cage and a rotary driving component capable of driving the turning tool to abut against the outer ball cage, the output end of the turning tool and the axis of the chuck are on an agreed horizontal plane, the bottom of the rotary driving component is movably arranged on the workbench, the turning tool is positioned above the rotary driving component, the turning tool is fixedly arranged at the working, the translation mechanism comprises a moving plate capable of translating the rotary driving assembly along the chuck direction.

Preferably, the drive assembly includes the support of falling the U-shaped, two bearing frames, rotating electrical machines and connecting axle, the support fixed mounting of falling the U-shaped is on the mesa of workstation, rotating electrical machines installs at the support of falling the U-shaped inboardly, two bearing frame horizontal arrangement install at the support top of falling the U-shaped and two bearing frame intervals set up, the connecting axle is the horizontality and can be rotatory insert locate two bearing frames in, one of them bearing frame is passed to the one end of connecting axle, and the one end and the chuck fixed connection of connecting axle, the one end that the chuck was kept away from to the connecting axle is passed another bearing frame and is connected with a vice synchronizing wheel, the output shaft of rotating electrical machines passes the lateral wall of the support of falling the U-shaped, and be equipped with a main synchronizing wheel.

Preferably, the rotation driving assembly comprises a working box, a U-shaped underframe, a half gear, a driving motor, a gearwheel and a gearwheel, the bottom of the U-shaped underframe is fixedly connected with the top of the movable plate, the working box is positioned at the top of the U-shaped underframe and the bottom of the working box is fixedly connected with the top of the U-shaped underframe, the driving motor is vertically arranged at the inner side of the U-shaped underframe, the output end of the driving motor penetrates through the bottom of the U-shaped underframe and extends towards the inside of the working box, the half gear, the gearwheel and the gearwheel are all horizontally arranged in the working box and are all on the same horizontal plane, the center of the bottom of the gearwheel is fixedly connected with the output end of the driving motor, the gearwheel is positioned at the center of the working box, a vertically arranged rotating shaft is arranged at the center of the gearwheel, and penetrates through the center of the gearwheel and is fixedly connected with the gearwheel, the both ends of pivot are provided with first bearing respectively, first bearing fixed mounting is in the top and the bottom of work box respectively, the both ends of pivot can be the pivoted respectively insert the inside of locating first bearing, gear wheel and pinion engagement set up, the one end that the work box is close to the chuck is opened, half width of cloth gear is located and is close to the open one end of work box, and half width of cloth gear and gear wheel engagement set up, the center department of half width of cloth gear is provided with the direction rotary column of vertical setting, the top and half width of cloth gear fixed connection of this direction rotary column, the bottom of half width of cloth gear is equipped with the second bearing, second bearing fixed mounting is in the bottom of work box, the bottom of direction rotary column can the pivoted insert locate the second bearing, the lathe tool is located half width of cloth gear.

Preferably, the rotary driving assembly further comprises two guide arc-shaped slideways, the two guide arc-shaped slideways are located on the inner side of the working box, the two guide arc-shaped slideways are symmetrically arranged on two sides of the half-width gear, a half-width disc is arranged at the top of the half-width gear, the bottom of the half-width disc is fixedly connected with the top of the half-width gear, the two guide arc-shaped slideways are all arranged in a manner of being attached to the edge of the half-width disc, a sliding strip is arranged on the edge of the half-width disc, a sliding chute used for being matched with the sliding strip is formed in each arc-shaped slideway, the bottom of each arc-shaped slideway is fixedly connected with the bottom inside of the working box, and.

Preferably, the lathe tool is including a fixing base, and the one end detachable of lathe tool installs in the inside of fixing base to the work end of lathe tool extends to the direction of chuck, the bottom of fixing base and the top fixed connection of half width of a cloth dish.

Preferably, the two sides of the moving plate are provided with extension sliding plates, one side of each extension plate is provided with a support slideway, and each support slideway is provided with an extension sliding groove which is used for being matched with the extension sliding plates to slide.

Preferably, the translation mechanism further comprises a transmission motor, a bearing sleeve seat, a turntable and a guide connecting rod, the transmission motor is horizontally arranged on the workbench, the bottom of the transmission motor is fixedly connected with the table top of the workbench, the axis of the output end of the transmission motor is vertical to the axis of the chuck, the bearing sleeve seat is positioned at the output end of the transmission motor, the bottom of the bearing sleeve seat is fixedly arranged on the table top of the workbench, the output end of the transmission motor can be rotatably inserted into the bearing sleeve seat and extends towards the outside of the bearing sleeve seat, the turntable is vertically arranged at the output end of the transmission motor, and the center of the rotary table is fixedly connected with the output end of the transmission motor, a shifting column is arranged at the edge of one side of the rotary table far away from the transmission motor, one end of the guide connecting rod is hinged with the shifting column, the other end of the guide connecting rod extends towards the direction of the movable plate, and the extending end of the guide connecting rod is hinged with one end of the movable plate.

Has the advantages that: a polishing device for the outer ring of the outer ball cage of an automobile is characterized in that when the polishing device is used for processing, an unprocessed outer ball cage is placed on a chuck to be clamped tightly, a driving motor drives a main synchronizing wheel and an auxiliary synchronizing wheel and drives a connecting shaft to rotate at a high speed and drives the chuck to rotate the unprocessed outer ball cage at a high speed, when a moving plate moves a lathe tool to the chuck and props against the outer ring of the outer ball cage, at the moment, the driving motor rotates clockwise and anticlockwise to drive a pinion to rotate, the pinion is meshed to drive a gearwheel to rotate, the matching of the pinion and the gearwheel can achieve the effect of reducing speed, the gearwheel drives a half-width gear to do reciprocating rotation motion and drives the lathe tool to do horizontal rotation motion, a sliding chute of a guide arc-shaped slideway matches with a sliding strip on a half-width disc to achieve the effect of guiding, the moving processing is more accurate when the processing is carried out, a supporting slideway plays the role of moving the lathe tool, lathe tool and gyration drive assembly can block the chuck position, consequently, need remove and dodge, place unprocessed outer car cage or when taking out the outer car cage that has been processed, drive motor drives the carousel rotation, the carousel drives stirs the post rotatory along the border of carousel, stir the post and stir the guide connecting rod, the one end that makes guide connecting rod is along stirring the post together rotatory, guide connecting rod's the other end pulling movable plate and the cooperation support slide, reach sharp reciprocating motion's effect with lathe tool and gyration drive assembly, when lathe tool wearing and tearing are serious, can influence the precision of processing, at this moment can get rid of the lathe tool in the fixing base and more renew the lathe tool, the equipment is easy to operate, can accurate processing.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a first schematic perspective view of an embodiment;

FIG. 2 is a second schematic perspective view of an embodiment;

FIG. 3 is a top view of the embodiment;

FIG. 4 is a perspective view of the driving assembly in the embodiment;

FIG. 5 is a partially exploded view of the swing drive assembly in an embodiment;

FIG. 6 is a partial exploded view of the swing drive assembly of the embodiment;

FIG. 7 is an enlarged view at A in FIG. 6 in the example;

FIG. 8 is a partial perspective view of the translation mechanism in an embodiment;

Description of reference numerals: the device comprises a workbench 1, a chuck 2, a driving assembly 3, a turning tool 4, a rotary driving assembly 5, a movable plate 6, a U-shaped support 7, a bearing seat 8, a rotary motor 9, a connecting shaft 10, an auxiliary synchronizing wheel 11, a main synchronizing wheel 12, a synchronous belt 13, a working box 14, a U-shaped bottom frame 15, a half gear 16, a driving motor 17, a large gear 18, a small gear 19, a rotating shaft 20, a first bearing 21, a guide rotating column 22, a second bearing 23, a guide arc-shaped slideway 24, a half disc 25, a slide bar 26, a sliding chute 27, a fixed seat 28, an extension sliding plate 29, a supporting slideway 30, a transmission motor 31, a bearing sleeve seat 32, a rotating disc 33, a guide connecting rod 34 and a toggle column 35.

Detailed Description

In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 8, an outer ball cage outer ring polishing device for an automobile comprises a workbench 1, a driving polishing mechanism, a translation mechanism and a rotary cutter mechanism, wherein the driving polishing mechanism, the translation mechanism and the rotary cutter mechanism are installed on the workbench 1, the driving polishing mechanism comprises a chuck 2 and a driving component 3, the chuck 2 and the driving component 3 can clamp an outer ball cage tightly, the bottom of the driving component 3 is fixedly installed on the table top of the workbench 1, the chuck 2 is horizontally arranged above the driving component 3, one end of the chuck 2 is in transmission connection with the working end of the driving component 3, the rotary cutter component comprises a turning tool 4 used for processing the outer ball cage and a rotary driving component 5 capable of driving the turning tool 4 to collide the outer ball cage, the output end of the turning tool 4 and the axis of the chuck 2 are on a horizontal plane, the bottom of the rotary driving component 5 is movably arranged on the workbench 1, the turning tool 4 is positioned above the rotary driving component 5, the turning, the translation mechanism is positioned at one side of the rotary driving assembly 5 and comprises a moving plate 6 capable of translating the rotary driving assembly 5 along the direction of the chuck 2.

The driving assembly 3 comprises an inverted U-shaped support 7, two bearing seats 8, a rotating motor 9 and a connecting shaft 10, the inverted U-shaped support 7 is fixedly installed on the table top of the workbench 1, the rotating motor 9 is installed on the inner side of the inverted U-shaped support 7, the two bearing seats 8 are horizontally arranged at the top of the inverted U-shaped support 7 and are arranged at intervals, the connecting shaft 10 is in a horizontal state and can be rotatably inserted into the two bearing seats 8, one end of the connecting shaft 10 penetrates through one of the bearing seats 8 and is fixedly connected with the chuck 2, one end of the connecting shaft 10 far away from the chuck 2 penetrates through the other bearing seat 8 to be connected with an auxiliary synchronizing wheel 11, an output shaft of the rotating motor 9 penetrates through the side wall of the inverted U-shaped support 7, a main synchronizing wheel 12 is arranged on the output shaft of the rotating motor 9, and the main synchronizing wheel 12 is in transmission, when the processing is carried out, an unprocessed outer ball cage is placed on the chuck 2 to be clamped tightly, the driving motor 17 drives the main synchronizing wheel 12 and the auxiliary synchronizing wheel 11 to drive the connecting shaft 10 to rotate at a high speed, and the chuck 2 is driven to rotate the unprocessed outer ball cage at a high speed.

The rotary driving component 5 comprises a working box 14, a U-shaped bottom frame 15, a half gear 16, a driving motor 17, a gearwheel 18 and a pinion 19, the bottom of the U-shaped bottom frame 15 is fixedly connected with the top of the movable plate 6, the working box 14 is positioned at the top of the U-shaped bottom frame 15, the bottom of the working box is fixedly connected with the top of the U-shaped bottom frame 15, the driving motor 17 is vertically arranged at the inner side of the U-shaped bottom frame 15, the output end of the driving motor 17 penetrates through the bottom of the U-shaped bottom frame 15 and extends towards the inside of the working box 14, the half gear 16, the pinion 19 and the gearwheel 18 are horizontally arranged inside the working box 14, the half gear 16, the pinion 19 and the gearwheel 18 are all on the same horizontal plane, the center of the bottom of the pinion 19 is fixedly connected with the output end of the driving motor 17, the gearwheel 18 is positioned at the center of the working box 14, a rotating shaft 20 which is vertically, the rotating shaft 20 penetrates through the center of the large gear 18 and is fixedly connected with the large gear 18, two ends of the rotating shaft 20 are respectively provided with a first bearing 21, the first bearings 21 are respectively and fixedly installed at the top and the bottom of the working box 14, two ends of the rotating shaft 20 are respectively and rotatably inserted into the first bearings 21, the large gear 18 is meshed with the small gear 19, one end of the working box 14 close to the chuck 2 is open, the half gear 16 is located at one end close to the open end of the working box 14, the half gear 16 is meshed with the large gear 18, a vertically arranged guide rotating column 22 is arranged at the center of the half gear 16, the top of the guide rotating column 22 is fixedly connected with the half gear 16, the bottom end of the half gear 16 is provided with a second bearing 23, the second bearing 23 is fixedly installed at the bottom of the working box 14, the bottom of the guide rotating column 22 can be rotatably inserted into the second bearing 23, the turning tool 4 is located at the upper edge of, when the moving plate 6 moves the turning tool 4 to the chuck 2 and abuts against the outer ring of the outer ball cage, the driving motor 17 rotates clockwise and counterclockwise to drive the pinion 19 to rotate, the pinion 19 is meshed to drive the bull gear 18 to rotate, the pinion 19 and the bull gear 18 are matched to achieve the effect of reducing speed, and the bull gear 18 drives the half-gear 16 to do reciprocating rotation movement and drives the turning tool 4 to do horizontal rotation movement.

The rotary driving component 5 also comprises two guiding arc-shaped slideways 24, the two guiding arc-shaped slideways 24 are positioned at the inner side of the working box 14, and the two guide arc-shaped slide ways 24 are symmetrically arranged at the two sides of the half-width gear 16, the top of the half-width gear 16 is provided with a half-width disc 25, the bottom of the half-width disc 25 is fixedly connected with the top of the half-width gear 16, the two guide arc-shaped slide ways 24 are both attached to the edge of the half-width disc 25, the edge of this half width of cloth dish 25 is provided with draw runner 26, is equipped with on every arc slide to be used for cooperating the gliding spout 27 of draw runner 26, the bottom of every arc slide and the inside bottom fixed connection of work box 14, the bottom of lathe tool 4 and the top edge fixed connection of half width of cloth dish 25, the spout 27 cooperation draw runner 26 on the half width of cloth dish 25 of direction arc slide 24, reach the effect of direction to make the lathe tool 4 processing of removal more accurate man-hour adding.

The turning tool 4 comprises a fixed seat 28, one end of the turning tool 4 is detachably mounted inside the fixed seat 28, the working end of the turning tool 4 extends towards the chuck 2, the bottom of the fixed seat 28 is fixedly connected with the top of the half disc 25, when the turning tool 4 is seriously worn, the machining precision can be affected, and at the moment, the turning tool 4 in the fixed seat 28 can be removed and replaced by a new turning tool 4.

The both sides of movable plate 6 are equipped with and extend slide 29, and one side of every extension board is equipped with supports slide 30, and it is used for cooperating the gliding spout 27 that extends slide 29 to open respectively on every support slide 30, and support slide 30 plays the effect that removes lathe tool 4, and when placing the outer lathe tool cage of unprocessed or taking out the outer lathe tool cage that has processed, lathe tool 4 and gyration drive assembly 5 can block chuck 2 position, consequently need remove and dodge.

The translation mechanism further comprises a transmission motor 31, a bearing sleeve seat 32, a rotary table 33 and a guide connecting rod 34, wherein the transmission motor 31 is horizontally arranged on the workbench 1, the bottom of the transmission motor 31 is fixedly connected with the table top of the workbench 1, the axis of the output end of the transmission motor 31 is vertical to the axis of the chuck 2, the bearing sleeve seat 32 is positioned at the output end of the transmission motor 31, the bottom of the bearing sleeve seat 32 is fixedly arranged on the table top of the workbench 1, the output end of the transmission motor 31 can be rotatably inserted into the bearing sleeve seat 32 and extends towards the outside of the bearing sleeve seat 32, the rotary table 33 is vertically arranged at the output end of the transmission motor 31, the center of the rotary table 33 is fixedly connected with the output end of the transmission motor 31, a toggle column 35 is arranged at one side edge of the rotary table 33 far away from the transmission motor 31, one end of the guide connecting rod 34 is hinged with the toggle column 35, the other end of the guide connecting rod 34 extends towards the direction of, when an unprocessed outer lathe cage is placed or a processed outer lathe cage is taken out, the transmission motor 31 drives the rotary table 33 to rotate, the rotary table 33 drives the toggle column 35 to rotate along the edge of the rotary table 33, the toggle column 35 toggles the guide connecting rod 34, one end of the guide connecting rod 34 rotates along the toggle column 35, the other end of the guide connecting rod 34 pulls the movable plate 6 and is matched with the supporting slide way 30, and the turning tool 4 and the rotary driving assembly 5 achieve the effect of linear reciprocating motion.

The working principle is that during machining, an unprocessed outer ball cage is placed on a chuck 2 to be clamped tightly, a driving motor 17 drives a main synchronizing wheel 12 and an auxiliary synchronizing wheel 11 to drive a connecting shaft 10 to rotate at a high speed and drives the chuck 2 to rotate the unprocessed outer ball cage at a high speed, when a moving plate 6 moves a lathe tool 4 to the chuck 2 and props against the outer ring of the outer ball cage, at the moment, the driving motor 17 rotates clockwise and counterclockwise to drive a pinion 19 to rotate, the pinion 19 is meshed with a bull gear 18 to rotate, the matching of the pinion 19 and the bull gear 18 can achieve the effect of reducing speed, the bull gear 18 drives a half-width gear 16 to do reciprocating rotation movement and drives the lathe tool 4 to do horizontal rotation movement, a sliding groove 27 of a guide arc-shaped slideway 24 is matched with a sliding strip 26 on a half-width disc 25 to achieve the effect of guiding, the moving lathe tool 4 is machined more accurately during machining, a supporting slideway 30 plays a role of, when an unprocessed outer lathe cage is placed or a processed outer lathe cage is taken out, the turning tool 4 and the rotary driving assembly 5 can block the position of the chuck 2, and therefore the turning tool needs to be moved to avoid the position, when the unprocessed outer lathe cage is placed or the processed outer lathe cage is taken out, the transmission motor 31 drives the rotary table 33 to rotate, the rotary table 33 drives the toggle column 35 to rotate along the edge of the rotary table 33, the toggle column 35 toggles the guide connecting rod 34, one end of the guide connecting rod 34 rotates along the toggle column 35 together, the other end of the guide connecting rod 34 pulls the movable plate 6 and is matched with the supporting slide way 30, the turning tool 4 and the rotary driving assembly 5 achieve the effect of linear reciprocating motion, when the turning tool 4 is seriously worn, the processing precision can be influenced, and at this time, the turning tool 4 in the fixed seat 28 can be removed and replaced by a.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a be used for car outer ball cage outer lane polishing equipment which characterized in that: comprises a workbench (1), and further comprises a driving polishing mechanism, a translation mechanism and a rotary cutter mechanism which are arranged on the workbench (1), wherein the driving polishing mechanism comprises a chuck (2) and a driving component (3) which can clamp an outer ball cage tightly, the bottom of the driving component (3) is fixedly arranged on the table surface of the workbench (1), the chuck (2) is horizontally arranged above the driving component (3), one end of the chuck (2) is in transmission connection with the working end of the driving component (3), the rotary cutter component comprises a turning tool (4) used for processing the outer ball cage and a rotary driving component (5) which can drive the turning tool (4) to conflict with the outer ball cage, the output end of the turning tool (4) and the axis of the chuck (2) are on the horizontal plane, the bottom of the rotary driving component (5) is movably arranged on the workbench (1), the turning tool (4) is arranged above the rotary driving component (5), the turning tool (4) is fixedly arranged at the working end of the rotary driving assembly (5), the translation mechanism is positioned at one side of the rotary driving assembly (5), and the translation mechanism comprises a moving plate (6) capable of translating the rotary driving assembly (5) along the direction of the chuck (2);

The rotary driving assembly (5) comprises a working box (14), a U-shaped underframe (15), a half gear (16), a driving motor (17), a large gear (18) and a small gear (19), wherein the bottom of the U-shaped underframe (15) is fixedly connected with the top of a movable plate (6), the working box (14) is positioned at the top of the U-shaped underframe (15) and the bottom of the working box is fixedly connected with the top of the U-shaped underframe (15), the driving motor (17) is vertically arranged on the inner side of the U-shaped underframe (15), the output end of the driving motor (17) penetrates through the bottom of the U-shaped underframe (15) and extends towards the inside of the working box (14), the half gear (16), the small gear (19) and the large gear (18) are horizontally arranged inside the working box (14), the half gear (16), the small gear (19) and the large gear (18) are all on the same horizontal plane, and the center of the bottom of the small gear (19) is fixedly connected with the output end of, the large gear (18) is positioned at the center of the working box (14), a rotating shaft (20) which is vertically arranged is arranged at the center of the large gear (18), the rotating shaft (20) penetrates through the center of the large gear (18) and is fixedly connected with the large gear (18), first bearings (21) are respectively arranged at two ends of the rotating shaft (20), the first bearings (21) are respectively and fixedly installed at the top and the bottom of the working box (14), two ends of the rotating shaft (20) can be respectively and rotatably inserted into the first bearings (21), the large gear (18) and the small gear (19) are meshed, one end of the working box (14) close to the chuck (2) is open, a half gear (16) is positioned close to the open end of the working box (14), the half gear (16) is meshed with the large gear (18), a guide rotating column (22) which is vertically arranged at the center of the half gear (16), the top of the guide rotary column (22) is fixedly connected with the half-width gear (16), a second bearing (23) is arranged at the bottom end of the half-width gear (16), the second bearing (23) is fixedly installed at the bottom of the working box (14), the bottom of the guide rotary column (22) can be rotatably inserted into the second bearing (23), and the turning tool (4) is located at the edge above the half-width gear (16);

The driving assembly (3) comprises an inverted U-shaped support (7), two bearing seats (8), a rotating motor (9) and a connecting shaft (10), the inverted U-shaped support (7) is fixedly installed on the table top of the workbench (1), the rotating motor (9) is installed on the inner side of the inverted U-shaped support (7), the two bearing seats (8) are horizontally arranged at the top of the inverted U-shaped support (7) and are arranged at intervals, the connecting shaft (10) is in a horizontal state and can be rotatably inserted into the two bearing seats (8), one end of the connecting shaft (10) penetrates through one of the bearing seats (8), one end of the connecting shaft (10) is fixedly connected with the chuck (2), one end, far away from the chuck (2), of the connecting shaft (10) penetrates through the other bearing seat (8) to be connected with a secondary synchronizing wheel (11), an output shaft of the rotating motor (9) penetrates through the side wall of the inverted U-shaped support, a main synchronizing wheel (12) is arranged on an output shaft of the rotating motor (9), the main synchronizing wheel (12) is in transmission connection with the auxiliary synchronizing wheel (11) through a synchronous belt (13), during machining, an unprocessed outer ball cage is placed on the chuck (2) to be clamped tightly, and the driving motor (17) drives the main synchronizing wheel (12) and the auxiliary synchronizing wheel (11) to drive the connecting shaft (10) to rotate at a high speed and drives the chuck (2) to rotate the unprocessed outer ball cage at a high speed;

The rotary driving assembly (5) further comprises two guide arc-shaped slideways (24), the two guide arc-shaped slideways (24) are located on the inner side of the working box (14), the two guide arc-shaped slideways (24) are symmetrically arranged on two sides of the half-width gear (16), a half-width disc (25) is arranged at the top of the half-width gear (16), the bottom of the half-width disc (25) is fixedly connected with the top of the half-width gear (16), the two guide arc-shaped slideways (24) are both attached to the edge of the half-width disc (25), a sliding strip (26) is arranged on the edge of the half-width disc (25), a sliding groove (27) used for being matched with the sliding strip (26) to slide is formed in each arc-shaped slideway, the bottom of each arc-shaped slideway is fixedly connected with the inner bottom of the working box (14), and the bottom of the turning tool (4) is fixedly connected with.

2. The outer ring polishing device for the automobile outer ball cage according to claim 3, characterized in that: the turning tool (4) comprises a fixed seat (28), one end of the turning tool (4) is detachably mounted inside the fixed seat (28), the working end of the turning tool (4) extends towards the chuck (2), and the bottom of the fixed seat (28) is fixedly connected with the top of the semi-width disc (25);

Extension sliding plates (29) are arranged on two sides of the moving plate (6), a supporting slide way (30) is arranged on one side of each extension plate, and an extension sliding groove (27) used for being matched with the extension sliding plates (29) to slide is formed in each supporting slide way (30);

The translation mechanism further comprises a transmission motor (31), a bearing sleeve seat (32), a rotary table (33) and a guide connecting rod (34), the transmission motor (31) is horizontally arranged on the workbench (1), the bottom of the transmission motor (31) is fixedly connected with the table top of the workbench (1), the axis of the output end of the transmission motor (31) is perpendicular to the axis of the chuck (2), the bearing sleeve seat (32) is positioned at the output end of the transmission motor (31), the bottom of the bearing sleeve seat (32) is fixedly arranged on the table top of the workbench (1), the output end of the transmission motor (31) can be rotatably inserted into the bearing sleeve seat (32) and extends towards the outside of the bearing sleeve seat (32), the rotary table (33) is vertically arranged at the output end of the transmission motor (31), the center of the rotary table (33) is fixedly connected with the output end of the transmission motor (31), a toggle column (35) is arranged at the edge of one side of the rotary table (33) far away from the transmission motor (31), one end of the guide connecting rod (34) is hinged with the toggle column (35), the other end of the guide connecting rod (34) extends towards the moving plate (6) and the extending end of the guide connecting rod is hinged with one end of the moving plate (6).