CN116141254B

CN116141254B - Integrated full-automatic steering wheel oil seal bearing assembly equipment

Info

Publication number: CN116141254B
Application number: CN202310147355.2A
Authority: CN
Inventors: 邓钟培; 刘海强
Original assignee: Zhaoqing Dimeng Automotive Parts Co ltd
Current assignee: Zhaoqing Dimeng Automotive Parts Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-08-25
Anticipated expiration: 2043-02-20
Also published as: CN116141254A

Abstract

The application relates to an integrated full-automatic steering gear oil seal bearing assembly device which comprises a frame, a bearing frame arranged on a bearing surface of the frame, an automatic switching mechanism arranged on the bearing frame and used for supporting a steering casing, a support frame arranged on the bearing surface of the frame and a pressing mechanism arranged on the support frame, wherein the automatic switching mechanism comprises a supporting component which is arranged on the bearing frame and can transversely move and a supporting component which is arranged on the bearing frame and can vertically move, the supporting component is used for supporting the steering casing, and the pressing mechanism comprises a lifting component arranged on the support frame, a switching component connected with a lifting end of the lifting component, and a bearing pressing component and an oil seal pressing component which are arranged on the switching component. The application has the advantages that on one hand, the bearing and the oil seal are stably arranged in the upper shell and the lower shell, meanwhile, the standardization is realized, and on the other hand, the labor is replaced by automatic assembly, so that the labor cost is reduced, and meanwhile, the working efficiency is improved.

Description

Integrated full-automatic steering wheel oil seal bearing assembly equipment

Technical Field

The application relates to the technical field of steering gears, in particular to an integrated full-automatic steering gear oil seal bearing assembly device.

Background

The automobile steering gear is also called a steering gear and a steering gear, is the most important component in an automobile steering system, and has the functions that: increasing the force transmitted from the steering wheel to the steering gear and changing the direction of transmission of the force.

Referring to fig. 1, the conventional steering gear includes a steering housing 1, a steering gear rack (not shown) provided in the steering housing 1, and a steering gear drive shaft (not shown) vertically provided in the steering housing 1, and the steering housing 1 includes an integrally formed upper case 11, a lower case 12, an end case 13, a short connection case 14, and a long connection case 15; the upper shell 11 and the lower shell 12 are positioned on the same vertical line and are mutually communicated, the steering gear driving gear shaft is rotationally connected in the upper shell 11 and the lower shell 12, the end shell 13 is fixedly communicated on the periphery side of the upper shell 11, the short connecting shell 14 and the long connecting shell 15 are positioned on the same inclined line, the short connecting shell 14 and the long connecting shell 15 are symmetrically arranged on the periphery side of the upper shell 11, and one ends, close to each other, of the short connecting shell 14 and the long connecting shell 15 are fixedly communicated at the joint of the upper shell 11 and the end shell 13; the steering gear rack is arranged in the long connecting shell 15 and the short connecting shell 14 and is meshed with a gear on a steering gear driving gear shaft; the gear on the steering wheel driving gear shaft is meshed with the steering wheel rack; thereby realizing the transmission of the steering gear rack through the steering gear driving gear shaft; meanwhile, in order to make the rotation between the upper shell 11 and the steering wheel driving gear shaft relatively smooth, the inner side wall of the upper shell 11 and the inner side wall of the lower shell 12 are uniformly formed with a radially extending limit part 111, the limit part 111 is in a ring shape, an annular groove 112 is formed on the inner side wall of the upper shell 11 and above the limit part 111 of the upper shell 11, and an annular groove 112 is also formed on the inner side wall of the lower shell 12 and below the limit part 111 of the lower shell 12; firstly, the bearing and the oil seal of the upper shell 11 are pressed in sequence, and then the bearing and the oil seal of the lower shell 12 are pressed in sequence; namely: the bearing is pressed into the upper shell 11 by manpower, the bearing is positioned between the limiting part 111 and the annular groove 112, the bearing is in interference fit with the inner side wall of the upper shell 11 at the moment and is sleeved on the steering wheel driving gear shaft, and then the oil seal is pressed into the annular groove 112 of the upper shell 11 by manpower, so that the oil seal and the limiting part 111 limit the bearing together, and the operation of pressing the bearing and the oil seal into the upper shell 11 in sequence is completed; the bearings and oil seals of the lower housing 12 are also pressed into the lower housing 12 in the same manner.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: the bearing and the oil seal are assembled into the upper shell and the lower shell manually, the installation is unstable and the standardization is difficult to realize, and meanwhile, the speed is low and the labor cost is high through manual assembly.

Disclosure of Invention

In order to realize standardization while stably installing the bearing and the oil seal into the upper shell and the lower shell, and replace manual work through automatic assembly, the application provides integrated full-automatic steering wheel oil seal bearing assembly equipment while reducing labor cost.

The application provides an integrated full-automatic steering wheel oil seal bearing assembly device which adopts the following technical scheme:

the utility model provides an integral type full-automatic steering wheel oil blanket bearing assembly equipment, includes the frame, sets up the carriage on the frame loading surface, sets up the automatic switching mechanism that is used for supporting the direction casing on the carriage, sets up the support frame on the loading surface of frame and set up the mechanism that pushes down on the support frame, automatic switching mechanism is including setting up on the carriage and but lateral shifting's support subassembly and setting up on the carriage and but vertical movement's support subassembly, the support subassembly is used for supporting the direction casing, push down the mechanism including set up on the support frame lifting unit, with lifting unit's the switching component that lifting unit's lifting end is connected and set up the bearing on the switching component push down subassembly and the oil blanket subassembly that pushes down.

By adopting the technical scheme, the supporting component supports the steering casing, the upper port of the upper casing faces the bearing pressing component, the lifting component drives the bearing pressing component to move downwards through the switching component, the bearing pressing component presses the bearing into the upper casing, the bearing is sleeved on the steering casing driving gear shaft, and the lifting component drives the bearing pressing component to move upwards through the switching component; then the switching component is started, so that the oil seal pressing component is positioned above the upper port of the upper shell, the lifting component drives the oil seal pressing component to move downwards through the switching component, the oil seal pressing component presses the oil seal into the annular groove, and at the moment, the bearing is limited between the oil seal and the limiting part, so that the automatic action of pressing the bearing and the oil seal into the upper shell in sequence is completed; then the direction shell is upwards moved by the supporting component until the lower shell is separated from the supporting component, then the supporting component transversely moves for a unit length, the supporting component downwards moves the direction shell, the lower shell is sleeved on the supporting end of the supporting component with the bearing, and the lifting component drives the oil seal pressing component to downwards move by the switching component, so that the bearing is pressed into the lower shell; repeating the above actions to enable the lower shell to be sleeved on the supporting end of the supporting component, which is provided with the oil seal, and the lifting component drives the oil seal pressing component to move downwards through the switching component, so that the oil seal is clamped in the annular groove of the lower shell, and the bearing is limited between the limiting part of the lower shell and the oil seal of the lower shell; the pressing-in action of the full-automatic bearing oil seal is completed, so that the bearing and the oil seal are stably installed in the upper shell and the lower shell, meanwhile, standardization is achieved, and on the other hand, labor is replaced by automatic assembly, labor cost is reduced, and meanwhile, working efficiency is improved.

Optionally, the support subassembly is including setting up the loading shoe on the loading frame, the multiposition cylinder of fixed connection on the loading shoe side, the loading arm of being connected with the flexible end of multiposition cylinder, keep away from multiposition cylinder one end fixed connection's support board and three support seat that sets gradually on the support board top surface with the loading arm, every support seat all includes the support tray of detachable connection on the support board top surface and vertical fixed connection on the support tray top surface and can supply the support axle that the shell cover was established down, the top surface of support tray and the bottom of support axle form the support portion of the lower port of support inferior valve jointly, three support seat is respectively to the last support seat that keeps away from the loading arm direction and sets gradually, lower bearing support seat and lower oil blanket support seat, the support axle top of lower bearing support seat and the support axle top of lower oil blanket support seat all fixed connection go up the stock, install bearing and oil blanket in the inferior valve cover respectively establish on two material loading posts, the support board is connected through guide assembly and the loading frame that slides.

Through adopting above-mentioned technical scheme, after the direction casing is held up to the support subassembly, the flexible end extension of multiposition cylinder for the length of a unit for the support board lateral movement, another support axle is located the below of inferior valve this moment, then holds up the subassembly and drives the direction casing and move down, until down the shell cover is established on the support axle that the position corresponds, circulates in proper order, accomplishes the automatic switch action.

Optionally, the support subassembly includes that two symmetries set up the support bracket on bearing the frame, two respectively vertical setting support cylinder and two respectively set up the support piece on two support cylinders, support the support that the support piece includes fixed connection keeps away from the horizontal plate of support bracket one end and is connected with the flexible end of support cylinder at support cylinder, the flexible end of support cylinder runs through the level vertically and with the last horizontal side fixed connection of support frame, one of them the lower horizontal side tip fixedly connected with of support frame is used for supporting the long piece of supporting of short junction shell, another the lower horizontal side top surface vertical fixation of support frame has the short piece of supporting, just offer the support breach that is used for supporting long junction shell on the top surface of the short piece of supporting.

Through adopting above-mentioned technical scheme, hold up breach support long coupling shell, hold up long piece support short coupling shell for the last port orientation of epitheca pushes down the mechanism, when needs switch the material loading, starts two simultaneously and holds up the cylinder, makes two support racks drive two support racks and reciprocates, makes to hold up long piece and hold up the short piece and hold up the direction casing and reciprocate jointly, until the inferior valve breaks away from the support axle.

Optionally, each the support bracket all includes the level and fixes the lift up board on bearing frame and sets up the regulating plate on the lift up board top surface, each the lift up board is kept away from one side of bearing frame and is extended to the bearing frame outside, the regulation hole has been seted up on the top surface of regulating plate, be provided with the retaining member that is used for locking the regulating plate on the regulating plate.

Through adopting above-mentioned technical scheme, through the interval between two regulating plates of regulation hole adjustable, and then can be according to the actual size of direction casing, adjust the interval between two support pieces.

Optionally, the guiding component comprises a linear guide rail transversely and fixedly connected to the bearing frame and two guiding blocks fixedly connected to the bottom surface of the supporting plate and slidingly connected with the linear guide rail.

By adopting the technical scheme, the guide block is connected with the linear guide rail in a sliding way, so that the transverse sliding of the support plate is more stable.

Optionally, the lifting assembly includes the driving piece of vertical installation on the support frame loading surface and sets up the connecting seat that is connected in the telescopic end of support frame loading surface below and with the driving piece, the telescopic end of driving piece runs through the loading surface of support frame and can dismantle with the connecting seat and be connected, the switching assembly sets up on the connecting seat, one side tip integrated into one side that is close to the stand of connecting seat has the extension piece, the switching assembly includes fixed connection on the extension piece side switch cylinder, can dismantle the riser of being connected with the telescopic end of switch cylinder, fixed the dead lever that wears to establish in riser and be close to switch cylinder one side bottom, fixed block and the movable plate that can be in connecting seat fixed connection and horizontal migration in the dead lever week side of fixed cover, bearing pushing assembly and oil blanket pushing assembly set up side by side on the bottom surface of movable plate.

By adopting the technical scheme, the switching cylinder moves the moving plate to a proper position through the vertical plate, so that the bearing pressing assembly is positioned above the supporting shaft of the upper supporting seat, at the moment, the bearing pressing assembly is positioned right above the upper shell and is positioned above the upper shell, and the driving piece drives the connecting seat to move downwards, so that the bearing pressing assembly presses the bearing into the upper shell, the bearing is sleeved on the driving gear shaft of the steering wheel, and the driving piece drives the connecting seat to move upwards; then switch the cylinder and act once more for the oil blanket pushes down the subassembly and is located the top of epitheca, and moves down through driving piece drive connecting seat, makes the oil blanket push down the subassembly with the oil blanket in the ring channel, and the bearing is spacing between oil blanket and spacing portion this moment, accomplishes automatic action with bearing and oil blanket impress in proper order in the epitheca.

Optionally, the bearing pushes down subassembly and oil blanket and pushes down the subassembly all including fixed connection fastening sleeve on the movable plate bottom surface, with the fastening sleeve slide the butt piece of being connected and with the hold-down piece of being connected of the bottom of butt piece, hold-down piece is including dismantling the connector of connecting on the butt piece bottom, fixed connection connecting axle, fixed connection on the connecting axle bottom and the cover of establishing on the hold-down lever on the connecting axle bottom, the one end integrated into one piece that the connecting axle was kept away from to the hold-down lever has the clamp head, the passageway of stepping down that is used for stepping down the top of direction machine initiative gear shaft has been seted up to the bottom of clamp head, the guiding block that the week side fixedly connected with two symmetries set up of clamp head, two rectangular holes that slide respectively with two guiding blocks are connected are seted up to the week side bottom of the last telescopic top and hold-down lever, fixed connection elastic component between the bottom of the last telescopic week side of bearing pushes down the subassembly has seted up the fixed orifices, fixed orifices are equipped with the magnetic seal that is used for inhaling down the bearing of the bearing.

Through adopting above-mentioned technical scheme, through the closing head that the switching cylinder corresponds moving to directly over the epitheca, move down through driving piece drive connecting seat, make the connecting seat drive material loading sleeve move down, until the top butt of material loading telescopic bottom and epitheca, under the supporting action of the supporting shaft of last supporting seat, the material loading sleeve can't continue to move this moment, along with the continuation of the flexible end of driving piece moves down, under the slip connection effect of guide block and rectangular hole, and under the effect of stepping down of the passageway of stepping down, the closing head continues to move down and extend to in the epitheca, the elastic component is in compressed state, the closing head promotes the bearing or the oil blanket that are located the material loading sleeve, press bearing or the oil blanket into the epitheca, accomplish the action of impressing of bearing and the oil blanket of epitheca.

Optionally, the butt piece is including dismantling the fixed head of connection on the connector top, fixed connection on the fixed head top surface and fixed connection on the butt joint on the butt pole top, the butt pole slides and connects in the fastening sleeve, just the top of butt pole runs through the movable plate, works as when the bottom surface of butt joint and the top surface butt of movable plate, there is certain interval between fixed head and the fastening sleeve, the inner wall top fixedly connected with pressure sensor of connecting seat, pressure sensor's sensing end sets up downwards, just pressure sensor's sensing end is located the top of one of them butt joint.

Through adopting above-mentioned technical scheme, owing to when the bottom surface of butt joint and the top surface butt of movable plate, there is certain interval between fixed head and the fastening sleeve, under the reaction force of compressing tightly the head swage, the fixed head drives the butt joint and upwards moves for the fixed head contacts with pressure sensor's sensing end, and along with the continuous increase of pressure, the deformation volume of fixed head and pressure sensor's sensing end contact is bigger more, thereby makes the mode of compressing tightly the compression dynamics accessible numerical value of head demonstrate.

Optionally, just be located the both sides of driving piece on the loading face of support frame and all can dismantle the guide cylinder that is connected with vertical run through the support frame loading face, can dismantle on the top surface of connecting seat and be connected with two connecting cylinders that correspond with two guide cylinder positions respectively, each all can dismantle in the connecting cylinder and be connected with the guide arm, the guide arm slides with the guide cylinder and is connected, two the common fixedly connected with level in top of guide arm sets up the limiting plate, offer the mouth of stepping down that corresponds with the driving piece position on the limiting plate, fixedly connected with vertical setting's grudging post on the loading face of support frame, one side that the grudging post is close to the driving piece is provided with the support that can slide along the direction of height of grudging post, one side threaded connection that the support is close to the guide arm has the proximity switch of induction end orientation guide arm, the induction end that the limiting plate is close to one side of grudging post, just be located the one end that the limiting plate is close to the grudging post can dismantle and be connected with the connecting bracket, be provided with grating scale displacement sensor on the grudging post, grating displacement sensor includes the grating displacement sensor that sets up on the grudging post, grating displacement sensor is including installing grating carrier and grating sensor, the end and the end that the end is close to the grating sensor is close to the grudging post, the end, the electrical connection, the end is all the electrical connection with the air cylinder, the end is electric sensor is connected with the electrical connection, the end of the electrical connection.

Through adopting above-mentioned technical scheme, pressure sensor carries the controller with pressure signal, and the controller is with compressing tightly the pressure value of head and carrying to the display screen on, and when the grating reading head reached the absolute position of scale grating, grating chi displacement sensor carried the controller with the signal, but the curve of the removal position and pressure when the visual observation pressure equipment through the display screen.

Optionally, be provided with the subassembly that slides on the top surface of movable plate, the subassembly that slides includes the slider of fixed connection on the movable plate top surface, the linear slide rail of being connected with the slider slides and the connecting plate of the top surface fixed connection with linear slide rail, the top surface of connecting plate and connecting seat inner wall top fixed connection.

Through adopting above-mentioned technical scheme, the slider is connected with linear slide rail's sliding for the movable plate can be more steady remove in the connecting seat.

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

1. the lifting component supports the steering shell, the upper port of the upper shell faces the bearing pressing component, the lifting component drives the bearing pressing component to move downwards through the switching component, the bearing pressing component presses the bearing into the upper shell, the bearing is sleeved on a steering machine driving gear shaft, and the lifting component drives the bearing pressing component to move upwards through the switching component; then the switching component is started, so that the oil seal pressing component is positioned above the upper port of the upper shell, the lifting component drives the oil seal pressing component to move downwards through the switching component, the oil seal pressing component presses the oil seal into the annular groove, and at the moment, the bearing is limited between the oil seal and the limiting part, so that the automatic action of pressing the bearing and the oil seal into the upper shell in sequence is completed; then the direction shell is upwards moved by the supporting component until the lower shell is separated from the supporting component, then the supporting component transversely moves for a unit length, the supporting component downwards moves the direction shell, the lower shell is sleeved on the supporting end of the supporting component with the bearing, and the lifting component drives the oil seal pressing component to downwards move by the switching component, so that the bearing is pressed into the lower shell; repeating the above actions to enable the lower shell to be sleeved on the supporting end of the supporting component, which is provided with the oil seal, and the lifting component drives the oil seal pressing component to move downwards through the switching component, so that the oil seal is clamped in the annular groove of the lower shell, and the bearing is limited between the limiting part of the lower shell and the oil seal of the lower shell; the full-automatic pressing-in action of the bearing oil seal is completed, so that the bearing and the oil seal are stably installed in the upper shell and the lower shell, meanwhile, standardization is realized, and on the other hand, labor is replaced by automatic assembly, so that the labor cost is reduced, and meanwhile, the working efficiency is improved;

2. The switching cylinder moves the moving plate to a proper position through the vertical plate, so that the bearing pressing assembly is positioned above the supporting shaft of the upper supporting seat, at the moment, the bearing pressing assembly is positioned right above the upper shell and is positioned above the upper shell, and the connecting seat is driven to move downwards through the driving piece, so that the bearing pressing assembly presses the bearing into the upper shell, the bearing is sleeved on the driving gear shaft of the steering wheel, and the driving piece drives the connecting seat to move upwards; then switch the cylinder and act once more for the oil blanket pushes down the subassembly and is located the top of epitheca, and moves down through driving piece drive connecting seat, makes the oil blanket push down the subassembly with the oil blanket in the ring channel, and the bearing is spacing between oil blanket and spacing portion this moment, accomplishes automatic action with bearing and oil blanket impress in proper order in the epitheca.

Drawings

Fig. 1 is a schematic structural view of a directional casing according to the present application.

Fig. 2 is a schematic diagram of the overall structure of the present application.

Fig. 3 is an enlarged partial schematic view of the portion a in fig. 2.

Fig. 4 is a schematic structural view of the carriage and the automatic switching mechanism of the present application.

Fig. 5 is a schematic view of the explosive structure of fig. 4.

Fig. 6 is a schematic structural view of the support frame and the pressing mechanism of the present application.

Fig. 7 is a schematic view of the structure of the switching assembly, the bearing hold-down assembly and the oil seal hold-down assembly of the present application.

Fig. 8 is a schematic diagram of the explosive structure of fig. 7.

Fig. 9 is a schematic view of the structure of the mounting plate, stand, bracket, grating scale displacement sensor and proximity switch of the present application.

Reference numerals illustrate: 1. a direction housing; 11. an upper case; 111. a limit part; 112. an annular groove; 12. a lower case; 13. an end shell; 14. a short connection housing; 15. a long connection housing; 2. a frame; 21. a carrier; 211. an upper carrier plate; 212. a lower bearing plate; 213. a load-bearing column; 214. a bar-shaped hole; 22. a mounting frame; 23. a connecting arm; 231. a display screen; 3. an automatic switching mechanism; 31. a bracket assembly; 311. a bearing block; 312. a multi-position cylinder; 313. a load-bearing arm; 314. a supporting plate; 315. an upper support bracket; 316. a lower bearing support bracket; 317. a lower oil seal supporting seat; 3171. a support tray; 3172. a support shaft; 3173. a support part; 3174. a loading column; 32. a jacking assembly; 321. a support bracket; 3211. a supporting plate; 3212. an adjusting plate; 3213. an adjustment aperture; 322. a lifting cylinder; 323. a supporting member; 3231. a horizontal plate; 3232. a supporting frame; 3233. a guide rod; 3234. supporting the long block; 3235. supporting the short blocks; 3236. the notch is lifted; 33. a guide assembly; 331. a linear guide rail; 332. a guide block; 4. a support frame; 41. a mounting plate; 411. a guide cylinder; 4111. a fixing ring; 412. a vertical frame; 413. a bracket; 414. a proximity switch; 415. a grating ruler displacement sensor; 4151. a scale grating; 4152. a grating reading head; 42. a column; 421. a threaded column; 4211. a fixing nut; 5. a lifting assembly; 51. a driving member; 511. a locking cylinder; 5111. a locking plate; 52. a connecting seat; 521. a connecting cylinder; 5211. a connecting ring; 5212. a guide rod; 522. a limiting plate; 5221. a yielding port; 523. a fixed cylinder; 524. an extension block; 525. a pressure sensor; 526. a connecting frame; 6. a switching assembly; 61. switching the cylinder; 62. a riser; 63. a fixed rod; 64. a fixed block; 65. a moving plate; 7. a bearing hold down assembly; 8. an oil seal pressing assembly; 81. a fastening sleeve; 82. an abutment; 821. a fixed head; 822. a butt joint rod; 823. a butt joint; 83. a pressing member; 831. a connector; 832. a connecting shaft; 833. a pressing rod; 8331. a guide block; 834. a feeding sleeve; 8341. a slit hole; 8342. a fixing hole; 835. a compacting head; 836. an elastic member; 9. a slip assembly; 91. a slide block; 92. a linear slide rail; 93. and (5) connecting a plate.

Detailed Description

The application is described in further detail below with reference to fig. 1-9.

Referring to fig. 1, the steering gear includes a steering housing 1, a steering gear rack (not shown) provided in the steering housing 1, and a steering gear drive shaft (not shown) vertically provided in the steering housing 1, and the steering housing 1 includes an integrally formed upper case 11, a lower case 12, an end case 13, a short connection case 14, and a long connection case 15; the upper shell 11 and the lower shell 12 are positioned on the same vertical line and are mutually communicated, the steering gear driving gear shaft is rotationally connected in the upper shell 11 and the lower shell 12, the end shell 13 is fixedly communicated on the periphery side of the upper shell 11, the short connecting shell 14 and the long connecting shell 15 are positioned on the same inclined line, the short connecting shell 14 and the long connecting shell 15 are symmetrically arranged on the periphery side of the upper shell 11, and one ends, close to each other, of the short connecting shell 14 and the long connecting shell 15 are fixedly communicated at the joint of the upper shell 11 and the end shell 13; the steering gear rack is arranged in the long connecting shell 15 and the short connecting shell 14 and is meshed with a gear on a steering gear driving gear shaft; the gear on the steering wheel driving gear shaft is meshed with the steering wheel rack; thereby realizing the transmission of the steering gear rack through the steering gear driving gear shaft.

The inner side wall of the upper shell 11 and the inner side wall of the lower shell 12 are uniformly formed with a radially extending limit part 111, the limit part 111 is in a ring shape, an annular groove 112 is formed on the inner side wall of the upper shell 11 and above the limit part 111 of the upper shell 11, and an annular groove 112 is also formed on the inner side wall of the lower shell 12 and below the limit part 111 of the lower shell 12; firstly, the bearing and the oil seal of the upper shell 11 are pressed in sequence, and then the bearing and the oil seal of the lower shell 12 are pressed in sequence; namely: pressing the bearing into the upper shell 11, and positioning the bearing between the limiting part 111 and the annular groove 112, wherein the bearing is in interference fit with the inner side wall of the upper shell 11 and sleeved on the steering wheel driving gear shaft, and then pressing the oil seal into the annular groove 112 of the upper shell 11, so that the oil seal and the limiting part 111 limit the bearing together, and the operation of pressing the bearing and the oil seal into the upper shell 11 in sequence is completed; the bearings and oil seals of the lower housing 12 are also pressed into the lower housing 12 in the same manner.

The embodiment of the application discloses an integrated full-automatic steering wheel oil seal bearing assembly device. Referring to fig. 1 and 2, the full-automatic steering wheel oil seal bearing assembly device comprises a frame 2, a bearing frame 21 arranged on the bearing surface of the frame 2, an automatic switching mechanism 3 arranged on the bearing frame 21 and used for supporting a steering casing 1, a supporting frame 4 arranged on the bearing surface of the frame 2 and a pressing mechanism arranged on the supporting frame 4;

Referring to fig. 2 and 3, the carrier 21 includes an upper carrier plate 211, a lower carrier plate 212, and a plurality of carrier columns 213 disposed between the upper carrier plate 211 and the lower carrier plate 212; the upper bearing plate 211 and the lower bearing plate 212 are horizontally arranged, the upper bearing plate 211 is positioned above the lower bearing plate 212, the opposite ends of the bearing columns 213 are fixedly connected with one sides of the upper bearing plate 211 and the lower bearing plate 212, which are close to each other, respectively, and the plurality of bearing columns 213 are distributed between the upper bearing plate 211 and the lower bearing plate 212 in a rectangular array; the bottom surface of the lower carrier plate 212 is fixedly connected with the carrying surface of the frame 2 (see fig. 1).

Referring to fig. 4 and 5, the automatic switching mechanism 3 includes a laterally movable supporting member 31 provided on the upper carrier plate 211 and a vertically movable supporting member 32 provided on the upper carrier plate 211; the support assembly 31 comprises a bearing block 311 fixedly connected to the top surface of the lower bearing plate 212, a multi-position cylinder 312 fixedly connected to the side surface of the bearing block 311, a bearing arm 313 connected to the telescopic end of the multi-position cylinder 312, a support plate 314 fixedly connected to one end of the bearing arm 313 far away from the multi-position cylinder 312, and three support seats sequentially arranged on the top surface of the support plate 314.

In the present embodiment, the model of the multi-position cylinder 312 is SCT32X75X0; the telescoping end of the multi-position cylinder 312 may extend two units of length; the telescopic end of the multi-position air cylinder 312 penetrates through the bearing block 311 and is fixedly connected with the bearing arm 313, a strip-shaped hole 214 vertically penetrating through the upper bearing plate 211 is formed in the top surface of the upper bearing plate 211, and the length direction of the strip-shaped hole 214 is consistent with the length direction of the upper bearing plate 211; the bearing arm 313 is L-shaped, and the vertical side of the bearing arm 313 vertically passes through the strip-shaped hole 214 and is in sliding connection with the strip-shaped hole 214; the horizontal side of the bearing arm 313 is positioned above the upper bearing plate 211, and the end of the horizontal side of the bearing arm 313 is fixedly connected with the supporting plate 314; the support plate 314 is horizontally disposed, and the support plate 314 is located above the upper carrier plate 211.

Thus, the multi-position cylinder 312 is started, and the telescopic end of the multi-position cylinder 312 drives the supporting plate 314 to transversely move through the bearing arm 313; in order to make the lateral sliding of the support plate 314 smoother, a guide assembly 33 is provided between the upper bearing plate 211 and the support plate 314; the guide assembly 33 comprises a linear guide rail 331 transversely and fixedly connected to the top surface of the upper bearing plate 211 and two guide blocks 332 fixedly connected to the bottom surface of the support plate 314 and slidingly connected with the linear guide rail 331; the length direction of the linear guide rail 331 is consistent with the length direction of the bar-shaped hole 214, and the length of the linear guide rail 331 is greater than the length of the bar-shaped hole 214; the two guide blocks 332 are located on the same straight line, and the two guide blocks 332 are arranged at intervals along the length direction of the support plate 314. The guide assemblies 33 are provided with two groups, and the two groups of guide assemblies 33 are symmetrically arranged at two sides of the strip-shaped hole 214.

Referring to fig. 4 and 5, each of the holders includes a support plate 3171 detachably coupled to the top surface of the support plate 314 and a support shaft 3172 vertically fixedly coupled to the top surface of the support plate 3171; the support plate 3171 and the support shaft 3172 are coaxially arranged, and the radius of the support plate 3171 is larger than that of the support shaft 3172; the top surface of the support plate 3171 and the bottom end of the support shaft 3172 together form a support portion 3173; the lower shell 12 is sleeved on the supporting shaft 3172, and the supporting part 3173 supports the lower port of the lower shell 12; the three support seats are an upper support seat 315, a lower bearing support seat 316 and a lower oil seal support seat 317 which are sequentially arranged in a direction away from the bearing arm 313; the upper support 315, the lower bearing support 316 and the lower oil seal support 317 are positioned on the same straight line, and the upper support 315, the lower bearing support 316 and the lower oil seal support 317 are disposed at equal intervals.

Referring to fig. 4 and 5, the length of the support shaft 3172 of the upper support bracket 315 is smaller than the length of the support shaft 3172 of the lower oil seal support bracket 317, and the length of the lower oil seal support bracket 317 is smaller than the length of the lower bearing support bracket 316, thereby facilitating loading to a specific location. The top end of the supporting shaft 3172 of the lower bearing supporting seat 316 and the top end of the supporting shaft 3172 of the lower oil seal supporting seat 317 are fixedly connected with a feeding column 3174; bearings and oil seals mounted in the lower case 12 are respectively sleeved on the two feeding columns 3174. The radius of the support shaft 3172 of the lower oil seal support bracket 317 is equal to the radius of the support shaft 3172 of the lower bearing support bracket 316, and the radius of the support shaft 3172 of the upper support bracket 315 is larger than the radius of the support shaft 3172 of the lower bearing support bracket 316, so that the support shaft 3172 of the upper support bracket 315 can play a role of supporting the lower shell 12 in the process of pressing the bearing and the oil seal into the upper shell 11 in sequence; when the bearing and the oil seal are sequentially pressed into the lower case 12, the support shaft 3172 of the lower bearing support bracket 316 can smoothly extend to a specific position of the lower case 12 to press the bearing into the lower case 12, and the support shaft 3172 of the lower oil seal support bracket 317 can smoothly extend to a specific position of the lower case 12 to press the oil seal into the lower case 12.

Referring to fig. 4 and 5, the jacking assembly 32 includes two brackets 321 symmetrically disposed on the bottom surface of the upper carrier 211, two jacking cylinders 322 vertically disposed on the carrying surfaces of the two brackets 321, respectively, and two jacking members 323 disposed on the two jacking cylinders 322, respectively; each bracket 321 comprises a supporting plate 3211 horizontally fixed on the bottom surface of the upper bearing plate 211 and an adjusting plate 3212 arranged on the top surface of the supporting plate 3211, wherein the two supporting plates 3211 are positioned on the same longitudinal straight line, and the two supporting plates 3211 are symmetrically arranged on two sides of the upper bearing plate 211 in the length direction; each of the lift-up plates 3211 extends outward of the upper carrier plate 211 on a side thereof remote from the upper carrier plate 211. The length direction of the adjusting plate 3212 is perpendicular to the length direction of the upper bearing plate 211, an adjusting hole 3213 vertically penetrating through the adjusting plate 3212 is formed in the top surface of the adjusting plate 3212, the adjusting hole 3213 is long-strip-shaped, and the length direction of the adjusting hole 3213 is consistent with the length direction of the adjusting plate 3212; the adjusting plate 3212 is provided with a locking member (not shown) for locking the adjusting plate 3212; in this embodiment, the locking member is a locking bolt, and the locking bolt passes through the adjusting hole 3213 and is in threaded connection with the supporting plate 3211; the lifting cylinder 322 is vertically fixed on the top surface of the adjusting plate 3212, and the telescopic end of the lifting cylinder 322 is upwardly disposed. Thus, the distance between the two adjusting plates 3212 can be adjusted through the adjusting holes 3213, and thus the distance between the two supporting members 323 can be adjusted according to the actual size of the direction housing 1.

Referring to fig. 3 and 5, the supporting member 323 includes a horizontal plate 3231 fixedly coupled to an end of the supporting cylinder 322 remote from the adjustment plate 3212 and a supporting frame 3232 coupled to a telescopic end of the supporting cylinder 322; the supporting frame 3232 is Z-shaped, the telescopic end of the supporting cylinder 322 vertically penetrates through the horizontal side and is fixedly connected with the upper horizontal side of the supporting frame 3232, the bottom surface of the upper horizontal side of the supporting frame 3232 is fixedly connected with a vertically arranged guide rod 3233, and one end of the guide rod 3233, far away from the supporting frame 3232, vertically penetrates through the horizontal plate 3231 and is in sliding connection with the horizontal plate 3231. The lift cylinder 322 is located between the guide bar 3233 and the vertical side of the lift frame 3232. The lower horizontal side end part of one supporting frame 3232 is fixedly connected with a supporting long block 3234, and the supporting long block 3234 is L-shaped; the lift long block 3234 serves to lift the short connecting housing 14. A supporting short block 3235 is vertically fixed on the top surface of the lower horizontal side of the other supporting frame 3232, and a triangular supporting notch 3236 is formed on the top surface of the supporting short block 3235; the holding-up notch 3236 serves to hold up the long connection housing 15.

Therefore, when the feeding needs to be switched, the two lifting cylinders 322 are started simultaneously, so that the telescopic ends of the two lifting cylinders 322 are synchronously extended simultaneously, and the telescopic ends of the two lifting cylinders 322 synchronously drive the two lifting frames 3232 to move upwards simultaneously, so that the lifting long blocks 3234 and the lifting short blocks 3235 together lift the casing 1 upwards until the lower casing 12 is separated from the supporting shaft 3172; then, the telescopic end of the multi-position cylinder 312 is extended by one unit length, so that the support plate 314 is laterally moved by one unit length, at this time, the other support shaft 3172 is located below the lower shell 12, and the telescopic end of the support cylinder 322 is contracted, so that the support long block 3234 and the support short block 3235 of the support direction machine shell 1 are simultaneously moved downwards until the lower shell 12 is sleeved on the support shaft 3172 corresponding to the position, and the automatic switching action is completed by sequentially circulating.

Referring to fig. 2 and 6, the support frame 4 is spaced from the carrier 21, and the support frame 4 includes a horizontally disposed mounting plate 41 and a plurality of vertically disposed columns 42; the top end and the bottom end of the upright post 42 are fixedly connected with a threaded post 421, the threaded post 421 and the upright post 42 are coaxially arranged, and the radius of the threaded post 421 is smaller than that of the upright post 42; the threaded column 421 at the bottom end of the upright post 42 is in threaded connection with the bearing surface of the frame 2, and the threaded column 421 at the top end of the upright post 42 penetrates through the mounting plate 41 and is in threaded connection with the fixing nut 4211; the top ends of the posts 42 are in contact with the bottom surface of the mounting plate 41, and the bottom end surfaces of the fixing nuts 4211 are in contact with the top surface of the mounting plate 41. In this embodiment, three columns 42 are provided, and the three columns 42 are equally spaced on the mounting plate 41.

Referring to fig. 6 and 7, a pressing mechanism is provided on the mounting plate 41, the pressing mechanism including a lifting assembly 5, a switching assembly 6 connected to a lifting end of the lifting assembly 5, and a bearing pressing assembly 7 and an oil seal pressing assembly 8 provided on the switching assembly 6; the lifting assembly 5 comprises a driving piece 51 vertically arranged on the top surface of the mounting plate 41 and a connecting seat 52 arranged below the mounting plate 41 and connected with the telescopic end of the driving piece 51; in the present embodiment, the driving member 51 is a servo electric cylinder; the telescopic end of the servo motor cylinder penetrates the mounting plate 41 and is connected with the connection seat 52.

Referring to fig. 7 and 8, guide barrels 411 are disposed on the top surface of the mounting plate 41 and located on two sides of the servo electric cylinder, the guide barrels 411 vertically penetrate through the mounting plate 41, fixing rings 4111 are fixedly sleeved at the bottom of the periphery of each guide barrel 411, the top surface of each fixing ring 4111 is abutted to the bottom surface of the mounting plate 41, and the fixing rings 4111 are detachably connected with the mounting plate 41 through bolts. The connecting seat 52 is U-shaped, the opening of the connecting seat is downward, two connecting cylinders 521 are arranged on the top surface of the connecting seat 52, the two connecting cylinders 521 correspond to the two guide cylinders 411 respectively, a connecting ring 5211 is fixedly sleeved at the bottom of the periphery of each connecting cylinder 521, and the connecting ring 5211 is detachably connected with the top surface of the connecting seat 52 through bolts; a guide rod 5212 is detachably connected in each connecting cylinder 521, one end of the guide rod 5212, which is far away from the connecting cylinders 521, vertically penetrates through the guide cylinders 411, and the guide rod 5212 is in sliding connection with the guide cylinders 411; the top ends of the two guide rods 5212 are fixedly connected with a limiting plate 522 which is arranged horizontally, and a yielding port 5221 corresponding to the position of the servo electric cylinder is formed in the limiting plate 522. The bottom end of the guide rod 5212 is fixedly connected with a threaded rod which is arranged coaxially with the guide, and the threaded rod is in threaded connection with the connecting cylinder 521.

Referring to fig. 7 and 8, a fixing cylinder 523 is detachably connected to the top surface of the connection seat 52 by bolts, the fixing cylinder 523 is located between the two connection cylinders 521, and the telescopic end of the servo motor cylinder corresponds to the position of the fixing cylinder 523, and the telescopic end of the servo motor cylinder is detachably connected to the fixing cylinder 523. Thereby under the guiding action of the guide cylinder 411 to the guide rod 5212, the telescopic end of the servo electric cylinder drives the connecting seat 52 to lift through the fixed cylinder 523; the presence of the limiting plate 522 reduces the occurrence of the guide rod 5212 being separated from the guide cylinder 411.

Referring to fig. 7 and 8, a locking cylinder 511 is screw-coupled to a telescopic end of the servo motor cylinder, a locking plate 5111 is fixedly coupled to a bottom end of the locking cylinder 511, the locking plate 5111 is coaxially disposed with the locking cylinder 511, and a radius of the locking plate 5111 is larger than a radius of the locking cylinder 511; the fixed cylinder 523 is a hollow cylinder with two open ends, a locking groove communicated with the hollow part of the fixed cylinder 523 is formed in the bottom end surface of the fixed cylinder 523, the locking disc 5111 is matched with the locking groove, and the fixed cylinder 523 is sleeved on the locking cylinder 511. Thereby establish fixed cylinder 523 from top to bottom on locking cylinder 511, locking plate 5111 is spacing in the locking groove, rotates locking cylinder 511 for locking cylinder 511 and servo electric cylinder's flexible end threaded connection, finally pass through the bolt with fixed cylinder 523 fixed connection on the top surface of connecting seat 52, accomplished the detachable connection between servo electric cylinder's flexible end and the connecting seat 52.

Referring to fig. 7 and 8, the switching assembly 6 is disposed on the connection base 52, and an extension block 524 is integrally formed at one end of one side of the connection base 52, which is close to the upright post 42, and the switching assembly 6 includes a switching cylinder 61, a vertical plate 62, a fixing rod 63, a fixing block 64, and a moving plate 65; the switching cylinder 61 is fixedly connected to the side surface of the extension block 524, and the length direction of the switching cylinder 61 is consistent with the length direction of the connection seat 52; the top of one side of the vertical plate 62 close to the switching cylinder 61 is detachably connected with the telescopic end of the switching cylinder 61. The telescopic end of the switching cylinder 61 is fixedly sleeved with a fastening block, the telescopic end of the switching cylinder 61 is connected with a fastening nut in a threaded manner, and the vertical plate 62 is clamped between the fastening block and the fastening nut, so that detachable connection between the vertical plate 62 and the telescopic end of the switching cylinder 61 is realized.

The fixed rod 63 is fixedly arranged at the bottom of one side of the vertical plate 62 close to the switching cylinder 61 in a penetrating manner, and the fixed block 64 is fixedly sleeved on the periphery of the fixed rod 63; the movable plate 65 is horizontally arranged, and the movable plate 65 is positioned in the connecting seat 52; the fixed plate is detachably connected with the moving plate 65 by bolts. Thereby, the switching cylinder 61 is started, the telescopic end of the switching cylinder 61 drives the vertical plate 62 to move towards the direction approaching or far away from the switching cylinder 61, and then under the connecting action of the fixed rod 63 and the fixed block 64, the fixed block 64 drives the moving plate 65 to horizontally move in the connecting seat 52.

Referring to fig. 7 and 8, the bearing hold-down assembly 7 and the oil seal hold-down assembly 8 are juxtaposed on the bottom surface of the moving plate 65, while the top surface of the moving plate 65 is provided with the sliding assembly 9 in order to enable the moving plate 65 to move more smoothly within the connection seat 52; the sliding component 9 comprises a sliding block 91 fixedly connected to the top surface of the moving plate 65, a linear sliding rail 92 in sliding connection with the sliding block 91 and a connecting plate 93 fixedly connected with the top surface of the linear sliding rail 92; the two sliding blocks 91 are arranged, and the two sliding blocks 91 are distributed at equal intervals along the moving direction of the moving plate 65; the linear slide rail 92 is slidably connected to the two sliders 91. The connecting plate 93 is located between the two sides of the connecting seat 52, and the top surface of the connecting plate 93 is fixedly connected with the top of the inner wall of the connecting seat 52. The slip assemblies 9 are provided with two sets, and the two sets of slip assemblies 9 are symmetrically disposed on the top surface of the moving plate 65.

Referring to fig. 7 and 8, the bearing hold-down assembly 7 and the oil seal hold-down assembly 8 each include a fastening sleeve 81 fixedly connected to the bottom surface of the moving plate 65, an abutting piece 82 slidably connected to the fastening sleeve 81, and a pressing piece 83 connected to the bottom end of the abutting piece 82; the abutting member 82 comprises a fixed head 821 detachably connected to the top end of the pressing member 83, an abutting rod 822 fixedly connected to the top surface of the fixed head 821, and an abutting joint 823 fixedly connected to the top end of the abutting rod 822; the fixed head 821, the abutting rod 822 and the abutting joint 823 are coaxially arranged, the radius of the fixed head 821 is larger than that of the fastening sleeve 81, the abutting rod 822 is slidably connected in the fastening sleeve 81, the top end of the abutting rod 822 penetrates through the moving plate 65, the radius of the abutting joint 823 is larger than that of the abutting rod 822, and the bottom surface of the abutting joint 823 abuts against the top surface of the moving plate 65; the abutment 823 is located between the two linear slide rails 92, and the two abutment 823 are arranged at equal intervals along the length direction of the linear slide rails 92.

When the bottom surface of the abutment 823 abuts against the top surface of the moving plate 65, a certain space exists between the fixed head 821 and the fastening sleeve 81. The pressure sensor 525 is fixedly connected to the top of the inner wall of the connecting seat 52, the sensing end of the pressure sensor 525 faces downwards, and the sensing end of the pressure sensor 525 is located above one abutting joint 823.

Referring to fig. 7 and 8, the compressing member 83 includes a coupling head 831 detachably coupled to a bottom end of the fixing head 821 by a bolt, a coupling shaft 832 fixedly coupled to a bottom end of the coupling head 831, a compressing rod 833 fixedly coupled to a bottom end of the coupling shaft 832, and a feeding sleeve 834 sleeved on the compressing rod 833; one end of the pressing rod 833, which is far away from the connecting shaft 832, is integrally formed with a pressing head 835; the connecting shaft 832, the pressing rod 833 and the pressing head 835 are all coaxially arranged, and the radius of the connecting shaft 832 is larger than that of the pressing rod 833, and the radius of the pressing rod 833 is larger than that of the pressing head 835. The bottom of the compression head 835 is provided with a yielding channel extending into the compression rod 833, the yielding channel is used for yielding the top end of the driving gear shaft of the steering gear, and the top end of the driving gear shaft of the steering gear extends out of the upper shell 11 through the upper opening of the upper shell 11.

Referring to fig. 7 and 8, two symmetrically arranged guide blocks 8331 are fixedly connected to the circumferential side of the pressing rod 833, two vertically arranged elongated holes 8341 are formed in the circumferential side of the feeding sleeve 834, the two guide blocks 8331 correspond to the two elongated holes 8341 respectively, one end of the guide block 8331, which is far away from the pressing rod 833, extends into the elongated holes 8341, and the guide block 8331 is slidably connected with the elongated holes 8341 corresponding to the positions. An elastic member 836 is fixedly connected between the top end of the feeding sleeve 834 and the bottom end of the pressing rod 833, and in this embodiment, the elastic member 836 is a spring.

Referring to fig. 7 and 8, a fixing hole 8342 is formed in the bottom of the circumferential side of the feeding sleeve 834 of the bearing pressing assembly 7, and a magnetic attraction piece for magnetically attracting the bearing is fixedly embedded in the fixing hole 8342; in this embodiment, the magnetic attraction member is a magnet; when the bearing is magnetically attracted in the feeding sleeve 834 of the bearing pressing assembly 7, the outer ring side of the bearing is abutted against the inner side wall of the feeding sleeve 834 of the bearing pressing assembly 7, and the bearing is positioned below the pressing head 835; meanwhile, the oil seal is horizontally limited in the feeding sleeve 834 of the oil seal pressing assembly 8 by utilizing the self tension of the oil seal, and the oil seal is positioned below the pressing head 835.

Referring to fig. 6 and 9, the top surface of the mounting plate 41 is fixedly connected with a vertically arranged stand 412, one side of the stand 412, which is close to the servo electric cylinder, is slidingly connected with a bracket 413, the bracket 413 can slide along the height direction of the stand 412, and a locking bolt is connected on the bracket 413 in a threaded manner and passes through the bracket 413 to be abutted against one side of the stand 412; the side of the bracket 413, which is close to the guide rod 5212, is connected with a proximity switch 414 in a threaded manner, the sensing end of the proximity switch 414 faces the guide rod 5212, and the sensing end of the proximity switch 414 is close to the side of the limiting plate 522, which is close to the stand 412. Therefore, by adjusting the height of the bracket 413 relative to the top surface of the mounting plate 41, under the driving action of the servo electric cylinder, when the guide rod 5212 drives the limiting plate 522 to move downwards, and the limiting plate 522 is close to the sensing end of the proximity switch 414, the proximity switch 414 is triggered. The proximity switch 414 prevents over travel of the servo motor cylinder.

A connecting frame 526 is detachably connected to the top surface of the limiting plate 522 and positioned at one end of the limiting plate 522 close to the vertical frame 412, and the vertical side of the connecting frame 526 is adjacent to the vertical frame 412; the stand 412 is provided with a grating scale displacement sensor 415, and the grating scale displacement sensor 415 comprises a scale grating 4151 vertically installed on one side of the stand 412 close to the connecting frame 526 and a grating reading head 4152 installed on the vertical side of the connecting frame 526; and the reading end of the grating reading head 4152 is directed towards the scale grating 4151. In the process that the guide rod 5212 drives the limiting plate 522 to move up and down, the limiting plate 522 drives the grating reading head 4152 on the connecting frame 526 to move along the length direction of the scale grating 4151; so that the displacement of the pressing head 835 can be precisely detected.

Referring to fig. 2 and 9, a mounting frame 22 is fixedly connected to the back of the frame 2, a control box (not shown in the figure) is mounted on the top surface of the mounting frame 22, a controller is arranged in the control box, and a grating scale displacement sensor 415, a proximity switch 414 and a pressure sensor 525 are all electrically connected with the input end of the controller; the multi-position cylinder 312, the lifting cylinder 322, the servo motor cylinder and the switching cylinder 61 are all electrically connected with the output end of the controller; the top of frame 2 installs linking arm 23, and the display screen 231 is installed to the one end that linking arm 23 kept away from frame 2, and display screen 231 and the output electric connection of controller. In this embodiment, the controller is a PLC controller.

It should be noted that the integrated full-automatic steering wheel oil seal bearing assembly equipment has three control modes; firstly, the press-fit position can be controlled by the servo pulse quantity; namely: the controller sends a set number of pulses to the servo electric cylinder, the servo electric cylinder is started, and when the pulse quantity sent by the controller reaches the set value, the controller brakes the servo electric cylinder. Secondly, the press-fitting position can be controlled by the absolute position of the movement of the grating ruler displacement sensor 415; namely: the controller actuates the servo motor cylinder when the grating reading head 4152 reaches the absolute position of the scale grating 4151. Thirdly, controlling the press-fit position by the pressure value; namely: when the stationary head 821 contacts the sensing end of the pressure sensor 525 to reach a set pressure value, the controller brakes the servo motor cylinder. Therefore, a proper control mode can be selected according to different part size precision.

The embodiment of the application relates to an integrated full-automatic steering wheel oil seal bearing assembly device, which comprises the following implementation principle: the feeding sleeve 834 with the magnetic bearing is moved above the supporting shaft 3172 of the upper supporting seat 315 through the switching cylinder 61, the feeding sleeve 834 with the magnetic bearing is located right above the upper shell 11, the abutting joint 823 of the bearing pressing component 7 is located right below the sensing end of the pressure sensor 525, the connecting seat 52 is driven to move downwards through the servo electric cylinder, the connecting seat 52 drives the feeding sleeve 834 with the magnetic bearing to move downwards until the bottom end of the feeding sleeve 834 with the magnetic bearing abuts against the top end of the upper shell 11, and the feeding sleeve 834 with the magnetic bearing cannot move continuously under the supporting action of the supporting shaft 3172 of the upper supporting seat 315; along with the continuous downward movement of the telescopic end of the servo electric cylinder, under the sliding connection effect of the guide block 8331 and the strip hole 8341 and the abdication effect of the abdication channel, the compression head 835 continuously moves downward and extends into the upper shell 11, the spring is in a compressed state, the compression head 835 pushes the bearing, the bearing is pressed into the upper shell 11, and the bearing is sleeved on the driving gear shaft of the steering gear.

Meanwhile, because a certain distance exists between the fixed head 821 and the fastening sleeve 81 when the bottom surface of the abutting joint 823 abuts against the top surface of the moving plate 65, the fixed head 821 drives the abutting joint 823 to move upwards under the reaction force, so that the fixed head 821 is in contact with the sensing end of the pressure sensor 525, and the larger the deformation amount of the contact between the fixed head 821 and the sensing end of the pressure sensor 525 is along with the continuous increase of pressure, when the control mode of the pressure sensor 525 is adopted, after the contact between the fixed head 821 and the sensing end of the pressure sensor 525 reaches a set pressure value, the pressure sensor 525 transmits a pressure signal to the controller, and the controller drives the telescopic end of the servo electric cylinder to move reversely while braking the servo electric cylinder, so that the spring is reset, and the action of automatically compacting the bearing is completed; the controller transmits the pressure value to the display screen 231, and the controller also transmits the displacement value to the display screen 231, so that the curve of the moving position and the pressure during press fitting can be visually observed through the display screen 231.

When the control mode of the grating scale displacement sensor 415 is adopted, in the process that the guide rod 5212 drives the limiting plate 522 to move downwards, the limiting plate 522 drives the grating reading head 4152 on the connecting frame 526 to move downwards along the length direction of the scale grating 4151; when the grating reading head 4152 reaches the absolute position of the scale grating 4151, the grating scale displacement sensor 415 transmits a signal to the controller, the grating scale displacement sensor 415 brakes the servo electric cylinder through the controller, and enables the telescopic end of the servo electric cylinder to reversely move, and the spring is reset, so that the action of automatically pressing the bearing is completed; at the same time of the signal transmission from the grating scale displacement sensor 415 to the controller, the pressure sensor 525 transmits the pressure signal of the contact between the fixed head 821 and the sensing end of the pressure sensor 525 to the controller, the controller transmits the pressure value to the display screen 231, the controller also transmits the displacement value to the display screen 231, and the curve of the movement position and the pressure during press fitting can be visually observed through the display screen 231.

When the control mode of the servo pulse quantity is adopted, a set number of pulses are sent to the servo electric cylinder through the controller, the servo electric cylinder is started, and when the pulse quantity sent by the controller reaches the set value, the controller brakes the servo electric cylinder; at this time, the grating scale displacement sensor 415 transmits a signal to the controller, the pressure sensor 525 transmits a pressure signal that the fixed head 821 is in contact with the sensing end of the pressure sensor 525 to the controller, the controller transmits a pressure value to the display screen 231, the controller also transmits a displacement value to the display screen 231, and a curve of a movement position and a pressure at the time of press-fitting can be visually observed through the display screen 231. And all the press-fit data can be recorded in a database of the controller, so that the inquiry is convenient in a two-dimension code scanning mode and the like.

Subsequently, the controller controls the switching cylinder 61 to be started, so that the switching cylinder 61 moves the feeding sleeve 834 with the oil seal directly above the upper case 11, and at this time, the abutment 823 of the oil seal pressing assembly 8 is located directly below the sensing end of the pressure sensor 525, the above-mentioned actions are repeated, the action of automatically pressing the oil seal is completed, the oil seal is pressed into the annular groove 112, and simultaneously, the oil seal and the limiting part 111 limit the bearing together, thereby completing the operation of pressing the bearing and the oil seal into the upper case 11 in sequence. The servo motor cylinder is reset so that the servo motor cylinder drives the connecting seat 52 to move upwards.

Next, the two lifting cylinders 322 are started, so that the telescopic ends of the two lifting cylinders 322 drive the two lifting frames 3232 to move upwards, and the lifting long blocks 3234 and the lifting short blocks 3235 move upwards together in the lifting direction of the casing 1 until the lower casing 12 is separated from the supporting shaft 3172 of the upper supporting seat 315; then, the multi-position cylinder 312 is started, the telescopic end of the multi-position cylinder 312 stretches by one unit length, so that the supporting plate 314 transversely moves by one unit length, at this time, the supporting shaft 3172 of the lower bearing supporting seat 316 is positioned below the lower shell 12, the telescopic end of the supporting cylinder 322 contracts, so that the supporting long block 3234 and the supporting short block 3235 of the supporting direction shell 1 simultaneously move downwards until the lower shell 12 is sleeved on the supporting shaft 3172 of the lower bearing supporting seat 316, at this time, the pressing head 835 of the oil seal pressing assembly 8 continues to press down, the bearing sleeved on the upper material column 3174 is pressed into the lower shell 12, and the bearing is positioned between the limiting part 111 of the lower shell 12 and the annular groove 112; the servo electric cylinder drives the pressing head 835 of the oil seal pressing assembly 8 to move upwards.

Next, the two lifting cylinders 322 are started, so that the telescopic ends of the two lifting cylinders 322 drive the two lifting frames 3232 to move upwards, and the lifting long blocks 3234 and the lifting short blocks 3235 move upwards together towards the casing 1 until the lower casing 12 is separated from the supporting shaft 3172 of the upper supporting seat 315; then, the multi-position cylinder 312 is started, the telescopic end of the multi-position cylinder 312 is further extended by one unit length, so that the supporting plate 314 is further transversely moved by one unit length, at the moment, the supporting shaft 3172 of the lower oil seal supporting seat 317 is positioned below the lower shell 12, the telescopic end of the supporting cylinder 322 is contracted, so that the supporting long block 3234 and the supporting short block 3235 of the supporting direction shell 1 are simultaneously moved downwards until the lower shell 12 is sleeved on the supporting shaft 3172 of the lower oil seal supporting seat 317, at the moment, the pressing head 835 of the oil seal pressing assembly 8 continues to press down, the oil seal sleeved on the upper material column 3174 is pressed into the lower shell 12, the oil seal is clamped in the annular groove 112 of the lower shell 12, and at the moment, the bearing is limited between the limiting part 111 of the lower shell 12 and the oil seal of the lower shell 12; the servo electric cylinder drives the pressing head 835 of the oil seal pressing assembly 8 to move upwards, the lifting cylinder 322 lifts the directional casing 1, the multi-position cylinder 312 resets, the switching cylinder 61 also resets, and the whole automatic feeding action is completed.

Meanwhile, the grating ruler displacement sensor 415, the proximity switch 414, the pressure sensor 525, the supporting cylinder 322, the multi-position cylinder 312, the servo electric cylinder, the switching cylinder 61 and the display screen 231 are electrically connected with the controller, so that the stroke and the compression force of the pressing mechanism are accurately controlled, standardized assembly is realized, the labor force is reduced, and the use stability of the upper shell 11, the lower shell 12, the bearing and the oil seal after installation is improved.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. Full-automatic steering wheel oil blanket bearing assembly equipment of integral type, its characterized in that: the automatic switching mechanism (3) comprises a rack (2), a bearing frame (21) arranged on a bearing surface of the rack (2), an automatic switching mechanism (3) arranged on the bearing frame (21) and used for supporting a direction casing (1), a support frame (4) arranged on the bearing surface of the rack (2) and a pressing mechanism arranged on the support frame (4), wherein the automatic switching mechanism (3) comprises a supporting component (31) which is arranged on the bearing frame (21) and can move transversely and a supporting component (32) which is arranged on the bearing frame (21) and can move vertically, the supporting component (32) is used for supporting the direction casing (1), and the pressing mechanism comprises a lifting component (5) arranged on the support frame (4), a switching component (6) connected with a lifting end of the lifting component (5), and a bearing pressing component (7) and an oil seal pressing component (8) which are arranged on the switching component (6);

The support bracket assembly (31) comprises a bearing block (311) arranged on the bearing frame (21), a multi-position cylinder (312) fixedly connected to the side surface of the bearing block (311), a bearing arm (313) connected with the telescopic end of the multi-position cylinder (312), a support plate (314) fixedly connected with one end of the bearing arm (313) far away from the multi-position cylinder (312) and three support bracket seats sequentially arranged on the top surface of the support plate (314), each support bracket comprises a support plate (3171) detachably connected to the top surface of the support plate (314) and a support shaft (3172) vertically fixedly connected to the top surface of the support plate (3171) and sleeved by the lower shell (12), the top surface of the support plate (3171) and the bottom end of the support shaft (3172) jointly form a support part (3173) for supporting the lower port of the lower shell (12), the three support bracket seats are respectively an upper support bracket seat (315), a lower support bracket seat (316) and a lower support seat (316) which are sequentially arranged in the direction far away from the bearing arm (313), the upper support bracket seat (315) and the lower support seat (316) are respectively fixedly connected to the top ends of the upper support bracket (3172) and the lower support shaft (3172) and the upper support seat (3172) and the lower support seat (3172), the support plate (314) is slidingly connected with the bearing frame (21) through a guide assembly (33).

2. The integrated fully automatic steering wheel oil seal bearing assembly apparatus of claim 1, wherein: the lifting assembly (32) comprises two symmetrical supporting frames (321) arranged on the bearing frames (21), two lifting cylinders (322) which are vertically arranged on the bearing surfaces of the two supporting frames (321) respectively and two lifting pieces (323) which are arranged on the two lifting cylinders (322) respectively, wherein each lifting piece (323) comprises a horizontal plate (3231) fixedly connected with one end of each lifting cylinder (322) far away from the corresponding supporting frame (321) and a lifting frame (3232) connected with the telescopic end of each lifting cylinder (322), the telescopic end of each lifting cylinder (322) vertically penetrates through the horizontal side and is fixedly connected with the upper horizontal side of each lifting frame (3232), one lifting long block (3234) for lifting the short connecting shell (14) is fixedly connected with the end part of the lower horizontal side of each lifting frame (3232), the top surface of the lower horizontal side of each lifting frame (3232) is vertically fixedly provided with a short lifting block (3235), and the top surface of each short lifting block (3235) is provided with a long notch (3236) for lifting the short connecting shell (15).

3. The full-automatic steering wheel oil seal bearing assembly apparatus of claim 2, wherein: each supporting bracket (321) comprises a supporting plate (3211) horizontally fixed on the bearing bracket (21) and an adjusting plate (3212) arranged on the top surface of the supporting plate (3211), each supporting plate (3211) extends to the outside of the bearing bracket (21) from one side of the bearing bracket (21), an adjusting hole (3213) is formed in the top surface of the adjusting plate (3212), and a locking piece for locking the adjusting plate (3212) is arranged on the adjusting plate (3212).

4. The integrated fully automatic steering wheel oil seal bearing assembly apparatus of claim 1, wherein: the guide assembly (33) comprises a linear guide rail (331) transversely and fixedly connected to the bearing frame (21) and two guide blocks (332) fixedly connected to the bottom surface of the supporting plate (314) and slidingly connected with the linear guide rail (331).

5. The full-automatic steering wheel oil seal bearing assembly apparatus of claim 2, wherein: lifting assembly (5) are including driving piece (51) of vertical installation on support frame (4) loading surface and connecting seat (52) that set up in support frame (4) loading surface below and be connected with the flexible end of driving piece (51), the flexible end of driving piece (51) runs through the loading surface of support frame (4) and can dismantle with connecting seat (52) and be connected, switching assembly (6) set up on connecting seat (52), one side tip integrated into one side that is close to stand (42) of connecting seat (52) has extension piece (524), switching assembly (6) include switching cylinder (61) of fixed connection on extension piece (524) side, riser (62) of being connected can be dismantled with the flexible end of switching cylinder (61), fixed link (63) of wearing to establish in riser (62) one side bottom of being close to switching cylinder (61), fixed block (64) fixed cover are established on fixed link (63) week side and can be in connecting seat (52) horizontal migration's one side tip integrated into one side, switching assembly (6) is pressed down in oil blanket (65), bottom surface (8) are pressed down in parallel bearing assembly (65).

6. The integrated fully automatic steering wheel oil seal bearing assembly apparatus of claim 5, wherein: the bearing pressing component (7) and the oil seal pressing component (8) comprise a fastening sleeve (81) fixedly connected to the bottom surface of the movable plate (65), an abutting part (82) connected with the fastening sleeve (81) in a sliding manner and a compressing part (83) connected with the bottom end of the abutting part (82), the compressing part (83) comprises a connector (831) detachably connected to the bottom end of the abutting part (82), a connecting shaft (832) fixedly connected to the bottom end of the connector (831), a compressing rod (833) fixedly connected to the bottom end of the connecting shaft (832) and a feeding sleeve (834) sleeved on the compressing rod (833), one end, far away from the connecting shaft (832), of the compressing rod (833) is integrally formed with a compressing head (835), a yielding channel extending into the bottom end of the compressing rod (833) is formed, the yielding channel is used for yielding the top end of a driving gear shaft of the steering gear, the circumference of the compressing rod (833) is fixedly connected with two symmetrically arranged guide blocks (833), the circumference of the compressing rod (833) is provided with two symmetrically arranged guide blocks (834), the circumference of the compressing rod (833) is provided with two guide blocks (834) which are fixedly connected with the top ends of the compressing rod (833) and the two guide blocks (834) which are fixedly connected with the top ends of the compressing rod (833), the fixed orifices (8342) have been seted up to the week side bottom of material loading sleeve (834) of bearing pushing down subassembly (7), fixed embedding in fixed orifices (8342) is equipped with the magnetism that is used for magnetism to inhale the bearing and inhale the piece, spacing oil blanket in material loading sleeve (834) of oil blanket pushing down subassembly (8).

7. The integrated fully automatic steering wheel oil seal bearing assembly apparatus of claim 6, wherein: the butt piece (82) is including dismantling fixed head (821) of connection on connector (831) top, butt pole (822) of fixed connection on fixed head (821) top surface and fixed butt joint (823) of connecting on butt pole (822) top, butt pole (822) slide and connect in fastening sleeve (81), just the top of butt pole (822) runs through movable plate (65), works as the bottom surface of butt joint (823) and the top surface butt of movable plate (65), there is certain interval between fixed head (821) and fastening sleeve (81), inner wall top fixedly connected with pressure sensor (525) of connecting seat (52), the sensing end of pressure sensor (525) sets up downwards, just the sensing end of pressure sensor (525) is located the top of one of them butt joint (823).

8. The full-automatic steering wheel oil seal bearing assembly apparatus of claim 7, wherein: guide cylinders (411) which vertically penetrate through the bearing surface of the support frame (4) are detachably connected to the bearing surface of the driving part (51) and are positioned on the two sides of the driving part (51), two connecting cylinders (521) which respectively correspond to the positions of the two guide cylinders (411) are detachably connected to the top surface of the connecting seat (52), guide rods (5212) are detachably connected to the connecting cylinders (521), the guide rods (5212) are slidably connected with the guide cylinders (411), a limit plate (522) which is horizontally arranged is fixedly connected to the top ends of the guide rods (5212) together, a yielding opening (5221) which corresponds to the position of the driving part (51) is formed in the limit plate (522), a vertical stand (412) which is vertically arranged is fixedly connected to the bearing surface of the support frame (4), a bracket (413) which can slide along the height direction of the stand (412) is arranged on one side, which is close to the driving part (51), of the bracket (413) is in threaded connection with a sensing end (5212) which faces the guide rod (414), a limit plate (522) which is close to the side of the guide rod (522), a limit plate (522) which is close to the limit plate (522) and is close to the limit plate (522) which is adjacent to the limit plate (522), be provided with grating chi displacement sensor (415) on grudging post (412), grating chi displacement sensor (415) are including vertical scale grating (4151) of installing on grudging post (412) are close to link (526) one side and install grating reading head (4152) on the vertical side of link (526), just the reading end orientation scale grating (4151) of grating reading head (4152), be provided with the controller on frame (2), grating chi displacement sensor (415), proximity switch (414) and pressure sensor (525) all with the input electric connection of controller, multiposition cylinder (312), hold up cylinder (322), driving piece (51) and switching cylinder (61) all with the output electric connection of controller, be connected with display screen (231) on frame (2) through linking arm (23), display screen (231) and the output electric connection of controller.

9. The integrated fully automatic steering wheel oil seal bearing assembly apparatus of claim 5, wherein: the sliding assembly (9) is arranged on the top surface of the moving plate (65), the sliding assembly (9) comprises a sliding block (91) fixedly connected to the top surface of the moving plate (65), a linear sliding rail (92) in sliding connection with the sliding block (91) and a connecting plate (93) fixedly connected with the top surface of the linear sliding rail (92), and the top surface of the connecting plate (93) is fixedly connected with the top of the inner wall of the connecting seat (52).