An oil injection device for the gland of a steering system

Abstract

The present invention provides an oil spraying device for a steering system gland, which includes a workbench, an end cover feeding mechanism, an oil coating mechanism, a gland pressing mechanism, an oil spraying mechanism, and a snap ring assembling mechanism. There are Station 1 and Station 2 on the workbench, and a tooling is provided on each station. The end cover feeding mechanism is used to feed the end cover to the oil coating mechanism, and the oil coating mechanism is used to coat oil on the first transmission part of the workpiece. The gland pressing mechanism is arranged directly above Station 1 and is used to press the end cover onto the workpiece. The oil spraying mechanism includes an oil spraying component and a rotating component. The oil spraying component can extend into the workpiece to spray oil on the second transmission part of the workpiece, and the rotating component is used to drive the second transmission part to rotate during oil spraying. The snap ring assembling mechanism is provided at Station 2 and is used to press the snap ring. The present invention integrates the gland pressing and the internal oil spraying of the workpiece, automatically completes the processes of gland pressing and oil spraying, and rotates the transmission part to be oil sprayed during oil spraying to ensure the spraying quality, thereby improving the production efficiency and production quality.

Description

Technical Field

[0001] The present invention relates to the technical field of steering system assembly, and particularly relates to an oil spraying device for a steering system gland. Background Art

[0002] The steering gear is the most important component in the steering system, and its functions are: increasing the force transmitted from the steering wheel to the steering transmission mechanism and changing the direction of force transmission. There is a transmission structure inside the steering gear. During the assembly process of the steering gear, after the transmission structure is assembled, it is necessary to seal the non-output end of the steering gear housing gland, and in order to keep the transmission structure in good lubrication during operation, it is necessary to spray lubricating oil on the transmission structure. However, since the transmission structure is inside the housing, it is difficult to spray. At present, mostly after the gland is completed, manual oil spraying is used, and the degree of automation is not high, which affects the overall production efficiency. In addition, the efficiency of manual oil spraying is low, and the situations of uneven spraying and incomplete spraying are likely to occur, which affects the production quality. Summary of the Invention

[0003] The present invention aims to provide an oil spraying device for a steering system gland to overcome the deficiencies existing in the prior art.

[0004] To solve the above technical problems, the technical solution of the present invention is: an oil spraying device for a steering system gland, including a workbench, an end cover feeding mechanism, an oil coating mechanism, a gland pressing mechanism, an oil spraying mechanism, and a snap ring assembling mechanism. There are two workstations on the workbench, namely Workstation 1 and Workstation 2. Each workstation is provided with a positioning component of a positioning fixture for positioning and loading workpieces. The end cover feeding mechanism is arranged at the rear between Workstation 1 and Workstation 2 and is used for feeding the end cover to the oil coating mechanism. The oil coating mechanism is arranged on the side of Workstation 1 close to Workstation 2 and is used for coating oil on the first transmission part of the workpiece. The gland pressing mechanism is arranged directly above Workstation 1 and is used for pressing the end cover onto the workpiece. The oil spraying mechanism includes an oil spraying component and a rotating component. The oil spraying component is arranged at the rear on the side of Workstation 1 far from Workstation 2 and can extend into the workpiece to spray oil on the second transmission part of the workpiece. The rotating component is arranged directly below Workstation 1 and is used for driving the second transmission part to rotate during oil spraying. The Workstation 2 is provided with a snap ring assembling mechanism for pressing and installing a snap ring to fix the end cover.

[0005] Furthermore, for the above-mentioned steering system gland oil injection equipment, the end cover feeding mechanism includes an end cover bin and a feeding assembly. The end cover bin is cup-shaped and is installed on the workbench through a feeding mounting plate. The feeding assembly is arranged above the end cover bin and includes a first translation cylinder, a first lifting cylinder, and a suction cup seat plate. The first translation cylinder is fixed on the upper frame above the workbench through a mounting seat, and its output end is provided with the first lifting cylinder. The output end of the first lifting cylinder is provided with the suction cup seat plate, and a plurality of suction cups are arranged on the suction cup seat plate. The suction cups are used to suck the end covers in the end cover bin. And a feeding lifting assembly is arranged below the feeding mounting plate. The feeding lifting assembly includes a lifting cylinder and a lifting plate arranged at the output end of the lifting cylinder. A through hole is arranged on the feeding mounting plate, and the lifting plate passes through the through hole to lift the end cover in the end cover bin above the through hole to the material taking position. Preferably, there are two end cover bins, both of which are fixed on the end cover bin seat plate, and the end cover bin seat plate is slidably connected to the feeding mounting plate through a pushing cylinder and a slide rail. The two end cover bins are alternately fed through the pushing cylinder.

[0006] Furthermore, for the above-mentioned steering system gland oil injection equipment, the oil coating mechanism includes a feeding assembly and an oil coating assembly arranged on the feeding assembly. The feeding assembly includes a second translation cylinder, a slide rail, and a moving seat arranged on the second translation cylinder and the slide rail. The moving seat is provided with a first cylinder and a second cylinder arranged in parallel and staggered. The output end of the first cylinder is provided with a loading plate for loading the end cover, and the output end of the second cylinder is provided with the oil coating assembly. The oil coating assembly includes an oil coating seat plate, an oil coating head, a control valve, and a grease calibrator. The oil coating seat plate is arranged below the second cylinder, and an oil coating head located directly below the loading plate is arranged at one end of the oil coating seat plate. An oil channel is also arranged inside the oil coating seat plate. The inlet end of the oil channel is connected to the grease calibrator and the control valve, and its outlet end is connected to the oil coating head. And the control valve is connected to an oil pump through an oil pipe.

[0007] Furthermore, for the above-mentioned steering system gland oil injection equipment, the gland pressing mechanism includes a bracket, a gas-liquid booster cylinder, a gland pressing plate, and a pressing head. The bracket is fixed above the workbench, the gas-liquid booster cylinder is arranged on the bracket, and its output end is provided with the gland pressing plate. Guide columns connected to the gland pressing plate are also arranged on both sides of the gas-liquid booster cylinder. A pressing head is arranged in the middle of the bottom of the gland pressing plate. The pressing head is locked to the gland pressing plate through a knob plunger, and a groove is arranged at the bottom of the pressing head. A plurality of suction cups for sucking the end covers are arranged on the bottom surface of the groove.

[0008] Further, for the above-mentioned steering system gland oil injection equipment, the oil injection assembly includes an oil injection support, a screw pump, a lifting seat, a propulsion cylinder, a propulsion seat, a rotation cylinder, an oil injection valve, and an oil injection pipe. The screw pump is fixed on the oil injection support and connected to the oil injection valve. A pressure stabilizing system connected to the screw pump is also provided at the top of the oil injection support. The lifting seat is arranged on the front side of the oil injection support and is slidably connected to the oil injection support through a linear movement assembly arranged on the oil injection support. An inclined propulsion cylinder is provided on the lifting seat. The output end of the propulsion cylinder is provided with a propulsion seat. A rotation cylinder perpendicular to the propulsion cylinder is provided on the propulsion seat. The output end of the rotation cylinder is provided with an oil injection valve. The outlet end of the oil injection valve is provided with an oil injection pipe. An adjustment assembly for adjusting the inclination angle of the propulsion cylinder is also provided on the lifting seat. Preferably, the oil injection pipe is rotatably connected to the oil injection valve through a rotating head. A handle is provided on the rotating head, and a detection sensor for detecting the rotation angle of the rotating head is provided at the rear side of the rotating head for error prevention.

[0009] Further, for the above-mentioned steering system gland oil injection equipment, the rotation assembly is arranged below the workbench and includes an installation box, a servo motor, a coupling, a connecting rod, a pneumatic valve ring, and a jaw cylinder I. The servo motor is fixed below the installation box, and its output end is connected to one end of the connecting rod through a coupling. The other end of the connecting rod is connected to the jaw cylinder I. The jaw cylinder I is fixed on the pneumatic valve ring, and its output end is provided with a jaw for clamping the transmission part I. Preferably, the installation box is also adjustably connected to the workbench through an adjustment part. The adjustment part includes an adjustment seat and a slide rail. The adjustment seat is fixedly connected to the workbench, and a slide rail is provided on its front side. A slider slidably connected to the slide rail is provided on the installation box, and a plurality of adjustment holes arranged along the length direction of the slide rail are also provided on both sides of the installation box. The installation box is fixedly connected to the adjustment seat through a knob plunger installed in the adjustment holes to adapt to different types of steering systems.

[0010] Further, for the above-mentioned steering system gland oil injection equipment, the oil injection mechanism further includes a model change component. The oil injection assembly is arranged on the model change component. The model change component includes an oil injection base, a model change cylinder, slide rails, and a standard rod. The oil injection base is fixed on the workbench. The model change cylinder is fixed above the oil injection base, and its output end is connected to the oil injection support. Two slide rails are provided, arranged parallel to the model change cylinder. Sliders slidably connected to the slide rails are provided at the bottom of the oil injection support. A standard rod is provided between the two slide rails. The standard rod is fixed on the oil injection base to limit the stroke of the model change cylinder. One end of the marking rod abuts against the oil injection support, and an error prevention detection sensor is provided at the other end.

[0011] Further, for the above-mentioned steering system gland oil injection equipment, the snap ring assembly mechanism includes a base, a snap ring magazine, a pushing component, a tightening component, and an upper pressing component. The base is fixed on the workbench, and the tooling at station two is arranged on the front side of the base. The snap ring magazine is arranged on the rear side of the base. The pushing component is arranged below the snap ring magazine and pushes the snap ring in the snap ring magazine from the bottom to the receiving groove at the center of the top of the tightening seat. The tightening component is arranged below the tightening seat and is used to tighten the snap ring, including a lifting cylinder two and a jaw cylinder two. The lifting cylinder two is fixed on the base, and its output end is provided with a jaw cylinder two. One tightening rod is respectively arranged at both ends of the two jaws of the jaw cylinder two. Four U-shaped opening grooves one corresponding to the tightening rods are arranged on the periphery of the receiving groove, and the tightening rods are inserted into the U-shaped opening grooves one. The upper pressing component includes a translation cylinder three, a slide rail, and a lifting cylinder three arranged on the translation cylinder three and the slide rail. The translation cylinder three is fixed above the base through a support column and a support plate. The output end of the lifting cylinder three is provided with an upper pressing cylinder. The top of the upper pressing cylinder is provided with an upper pressing cylinder, and the output end of the upper pressing cylinder extends into the upper pressing cylinder and is connected to the upper pressing head. The upper pressing head is inserted into the upper pressing cylinder and is slidably connected with the upper pressing cylinder. Moreover, a U-shaped opening groove two corresponding to each tightening rod is also arranged at the lower end of the upper pressing cylinder.

[0012] Further, for the above-mentioned steering system gland oil injection equipment, the snap ring magazine is connected to the magazine seat through a knob plunger, including a bottom plate and an outer cylinder arranged on the bottom plate. A plurality of circumferentially arranged limiting rods are arranged inside the outer cylinder. The circle formed by the plurality of limiting rods is matched with the inner diameter of the snap ring. Moreover, a guiding strip is arranged between two of the limiting rods, and the guiding strip is matched with the notch of the snap ring to limit the placing direction of the snap ring. Plug plates slidably connected with the bottom plate are also arranged on both sides of the bottom plate. When the plug plates are inserted into the outer cylinder, the discharge port at the bottom of the snap ring magazine is blocked to prevent discharging.

[0013] Further, for the above-mentioned steering system gland oil injection equipment, the snap ring assembly mechanism further includes a pressing component, which is used to press the snap ring in the snap ring magazine and is arranged directly above the snap ring magazine. The pressing component includes a pressing support, a pressing cylinder, and a pressing head. The pressing support is arranged on the support plate. The pressing cylinder is arranged above the pressing support, and its output end is provided with a pressing head. Guide rods connected to the pressing head are also arranged on both sides of the pressing cylinder. A plurality of arc-shaped fins are arranged at the lower end of the pressing head, and the plurality of arc-shaped fins form an open cylinder.

[0014] Further, for the above-mentioned steering system gland oil injection equipment, the snap ring assembly mechanism further includes a cleaning component arranged below the front side of the base. The cleaning component includes a lifting cylinder four, a vacuum generator, a spray suction pipe, and a dust suction bag. The output end of the lifting cylinder four is provided with a vacuum generator. The upper end of the vacuum generator is provided with a spray suction pipe, and its lower end is provided with a dust suction bag.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: The present invention combines the end - cap pressing and the internal spraying of oil on the workpiece, adopts intelligent and automated unmanned operation, has a high degree of automation, can reduce costs, reduce the error rate, and improve production efficiency; and uses an oil - spraying mechanism to automatically spray oil, and rotates the transmission part to be sprayed with oil during spraying to ensure uniform spraying, avoid the situation of incomplete spraying, and improve production efficiency and production quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments recorded in the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0017] Figure 1 It is a schematic structural diagram of the end - cap oil - spraying equipment for the steering system of the present invention;

[0018] Figure 2 It is a front view of the end - cap oil - spraying equipment for the steering system of the present invention;

[0019] Figure 3 It is a schematic diagram of the end - cap feeding mechanism of the end - cap oil - spraying equipment for the steering system of the present invention;

[0020] Figure 4 It is a partial schematic diagram of the end - cap feeding mechanism of the end - cap oil - spraying equipment for the steering system of the present invention;

[0021] Figure 5 It is a schematic diagram of the oil - coating mechanism and the end - cap pressing mechanism of the end - cap oil - spraying equipment for the steering system of the present invention;

[0022] Figure 6 It is a schematic diagram of the oil - coating mechanism of the end - cap oil - spraying equipment for the steering system of the present invention;

[0023] Figure 7 It is a schematic diagram of the pressing head of the end - cap oil - spraying equipment for the steering system of the present invention;

[0024] Figure 8 It is a schematic diagram of the oil - spraying mechanism of the end - cap oil - spraying equipment for the steering system of the present invention Figure 1 ;

[0025] Figure 9 It is a schematic diagram of the oil - spraying mechanism of the end - cap oil - spraying equipment for the steering system of the present invention Figure 2 ;

[0026] Figure 10 It is a partial schematic diagram of the oil - spraying mechanism of the end - cap oil - spraying equipment for the steering system of the present invention;

[0027] Figure 11Schematic cross-sectional view of the rotating assembly of the oil spraying device for the gland of the steering system of the present invention;

[0028] Figure 12 Schematic diagram of the snap ring assembly mechanism of the oil spraying device for the gland of the steering system of the present invention;

[0029] Figure 13 Partial schematic diagram of the snap ring assembly mechanism of the oil spraying device for the gland of the steering system of the present invention;

[0030] Figure 14 Schematic diagram of the tightening assembly of the oil spraying device for the gland of the steering system of the present invention;

[0031] Figure 15 Partial cross-sectional schematic view of the upper pressing assembly of the oil spraying device for the gland of the steering system of the present invention;

[0032] Figure 16 Schematic diagram of the snap ring bin of the oil spraying device for the gland of the steering system of the present invention;

[0033] Figure 17 Schematic diagram of the pressure feeding assembly of the oil spraying device for the gland of the steering system of the present invention;

[0034] Figure 18 Schematic diagram of the cleaning assembly of the oil spraying device for the gland of the steering system of the present invention;

[0035] In the figure: 1, workbench; 11, station one; 12, station two; 13, tooling; 14, upper frame;

[0036] 2, end cap feeding mechanism; 21, end cap bin; 22, translation cylinder one; 23, lifting cylinder one; 24, suction cup seat plate; 25, feeding mounting plate; 26, jacking cylinder; 27, jacking plate; 28, end cap bin seat plate; 29, pushing cylinder;

[0037] 3, oil coating mechanism; 31, translation cylinder two; 32, moving seat; 33, cylinder one; 34, cylinder two; 35, loading plate; 36, oil coating seat plate; 37, oil coating head; 38, control valve; 39, grease calibration;

[0038] 4, gland pressing mechanism; 41, bracket; 42, gas-liquid intensifying cylinder; 43, gland pressing plate; 44, pressing head; 441, groove; 45, guide post; 46, detection camera;

[0039] 5. Fuel injection mechanism; 51. Fuel injection assembly; 511. Fuel injection support; 512. Screw pump; 513. Lifting seat; 514. Propulsion cylinder; 515. Propulsion seat; 516. Position-changing cylinder; 517. Fuel injection valve; 518. Fuel injection pipe; 519. Voltage stabilization system; 520. Adjustment assembly; 521. Rotating head; 522. Handle; 523. Detection sensor; 53. Rotating assembly; 531. Installation box; 5311. Adjustment hole; 532. Servo motor; 533. Connecting rod; 534. Pneumatic valve ring; 535. Claw cylinder I; 536. Adjustment seat; 54. Model-changing assembly; 541. Fuel injection base; 542. Model-changing cylinder; 543. Standard rod; 544. Anti-misoperation detection sensor;

[0040] 6. Snap ring assembly mechanism; 61. Base; 62. Snap ring magazine; 621. Bottom plate; 622. Outer cylinder; 623. Limit rod; 624. Guide strip; 625. Insert plate; 63. Pushing assembly; 64. Tightening assembly; 641. Lifting cylinder II; 642. Claw cylinder II; 643. Tightening rod; 65. Upper pressing assembly; 651. Translating cylinder III; 652. Lifting cylinder III; 653. Support column; 654. Upper pressing cylinder; 6541. U-shaped opening groove II; 655. Upper pressing cylinder; 656. Upper pressing head; 66. Tightening seat; 661. Accommodating groove; 662. U-shaped opening groove I; 67. Pressure-feeding assembly; 671. Pressure-feeding support; 672. Pressure-feeding cylinder; 673. Pressure-feeding head; 674. Guide rod; 68. Cleaning assembly; 681. Lifting cylinder IV; 682. Vacuum generator; 683. Spray suction pipe; 684. Dust suction bag. Detailed implementation manners

[0041] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0042] Embodiment 1

[0043] As Figure 1-18As shown in the figure, a steering system gland oil injection device includes a workbench 1, an end cover loading mechanism 2, an oiling mechanism 3, a gland pressing mechanism 4, an oil injection mechanism 5, and a snap ring assembly mechanism 6. There are two workstations on the workbench 1, namely workstation one 11 and workstation two 12. Each workstation is provided with a positioning component of the positioning tooling. The tooling 13 is used to position and load the workpiece. The end cover loading mechanism 2, the oiling mechanism 3, the gland pressing mechanism 4, and the oil injection mechanism 5 are arranged around workstation one 11. After the tooling 13 completes the process of workstation one 11, it is grabbed and conveyed to workstation two 12 by a robot (not shown in the figure). Specifically, the end cover loading mechanism 2 is arranged at the rear side between workstation one 11 and workstation two 12 and is used to load the end cover onto the oiling mechanism 3. The oiling mechanism 3 is arranged on the side of workstation one 11 close to workstation two 12 and is used to oil the first transmission part of the workpiece. The gland pressing mechanism 4 is arranged directly above workstation one 11 and is used to press the end cover onto the workpiece. The oil injection mechanism 5 includes an oil injection component 51 and a rotating component 53. The oil injection component 51 is arranged at the rear side away from workstation two 12 of workstation one 11 and can extend into the workpiece to inject oil into the second transmission part of the workpiece. The rotating component 53 is arranged directly below workstation one 11 and is used to drive the second transmission part to rotate during oil injection. The workstation two is provided with a snap ring assembly mechanism 6, and the snap ring assembly mechanism 6 is used to press and install the snap ring to fix the end cover.

[0044] As Figure 8-11As shown in the figure, the fuel injection assembly 51 includes a fuel injection support 511, a screw pump 512, a lifting seat 513, a propulsion cylinder 514, a propulsion seat 515, a position-changing cylinder 516, a fuel injection valve 517, and a fuel injection pipe 518. The screw pump 512 is fixed on the fuel injection support 511 and connected to the fuel injection valve 517. A voltage stabilizing system 519 connected to the screw pump 512 is further provided at the top of the fuel injection support 511. By setting the voltage stabilizing system, stable and uniform fuel injection is ensured. The lifting seat 513 is arranged on the front side of the fuel injection support 511 and is slidably connected to the fuel injection support 511 through a linear movement assembly arranged on the fuel injection support 511. The linear movement assembly in this embodiment is a movement assembly composed of a slide rail and a lead screw. An inclined propulsion cylinder 514 is arranged on the lifting seat 513. The inclined direction of the propulsion cylinder 514 is the same as the direction of the fuel injection inlet and outlet on the housing of the workpiece. The output end of the propulsion cylinder 514 is provided with a propulsion seat 515. A position-changing cylinder 516 perpendicular to the propulsion cylinder 514 is arranged on the propulsion seat 515. The output end of the position-changing cylinder 516 is provided with a fuel injection valve 517. The outlet end of the fuel injection valve 517 is provided with a fuel injection pipe 518. An adjusting assembly 520 for adjusting the inclination angle of the propulsion cylinder 514 is further arranged on the lifting seat 513, so as to adjust the angle at which the fuel injection pipe is inserted into the workpiece. During fuel injection, the lifting seat 513 descends, the propulsion cylinder 514 is started to push the fuel injection pipe 518 into the fuel injection port of the workpiece, and then the screw pump 512 and the fuel injection valve 517 are started to inject fuel into the second transmission part. At the same time, the rotating assembly 53 is started to drive the second transmission part to rotate, and fuel is injected while rotating. After one circle of fuel injection is completed, the position-changing cylinder 516 is started to drive the fuel injection pipe 518 to move a distance, the second transmission part rotates one more week, and the fuel injection pipe 518 is sprayed again. The upper and lower ends or the whole of the second transmission part can be sprayed when the second transmission part has a certain height, avoiding the situation of incomplete spraying. In addition, it should be noted that the number of rotations of the rotating assembly 53 can be set according to the actual situation. In this embodiment, the upper and lower positions each rotate one week.

[0045] In addition, as Figure 10 shown, the fuel injection pipe 518 is rotatably connected to the fuel injection valve 517 through a rotating head 521. A handle 522 is arranged on the rotating head 521, and a detection sensor 523 for detecting the rotation angle of the rotating head 521 is arranged at the rear side of the rotating head 521 for error prevention. The fuel injection pipe 518 has a fuel injection direction. The fuel injection pipe 518 is rotated by operating the handle 522, so as to adjust the fuel injection angle of the fuel injection pipe and adapt to the fuel injection angles of different types of workpieces, with good flexibility. At the same time, the corresponding fuel injection angle of the workpiece is detected by the detection sensor 523 to ensure the accuracy of the fuel injection direction.

[0046] As Figure 8-9, as shown in FIGS. 11, the rotating assembly 53 is disposed below the workbench 1 and includes a mounting box 531, a servo motor 532, a coupling, a connecting rod 533, a pneumatic valve ring 534, and a jaw cylinder 535. The servo motor 532 is fixed below the mounting box 531, and its output end is connected to one end of the connecting rod 533 through a coupling. The other end of the connecting rod 533 is connected to the jaw cylinder 535. The jaw cylinder 535 is fixed on the pneumatic valve ring 534, and its output end is provided with a jaw for clamping the first transmission member. Among them, the mounting box 531 is also adjustably connected to the workbench 1 through an adjusting member. The adjusting member includes an adjusting seat 536 and a slide rail. The adjusting seat 536 is fixedly connected to the workbench 1, and a slide rail is provided on its front side. The mounting box 531 is provided with a slider slidably connected to the slide rail, and a plurality of adjusting holes 5311 are provided on both sides of the mounting box 531 along the length direction of the slide rail. The mounting box 531 is fixedly connected to the adjusting seat 536 through a knob plunger installed in the adjusting holes 5311, so as to adjust the clamping height of the jaw of the jaw cylinder 535 to adapt to different types of workpieces.

[0047] As Figure 8 , 10 shown, the oil injection mechanism 5 further includes a changeover assembly 54. The oil injection assembly 51 is disposed on the changeover assembly 54. The changeover assembly 54 includes an oil injection base 541, a changeover cylinder 542, a slide rail, and a standard rod 543. The oil injection base 541 is fixed on the workbench 1. The changeover cylinder 542 is fixed above the oil injection base 541, and its output end is connected to the oil injection support 511. Two slide rails are provided, which are arranged in parallel with the changeover cylinder 542. The bottom of the oil injection support 511 is provided with a slider slidably connected to the slide rail. A standard rod 543 is provided between the two slide rails. The standard rod 543 is fixed on the oil injection base 541 to limit the stroke of the changeover cylinder. One end of the standard rod 543 abuts against the oil injection support 511, and the other end is provided with an anti-misoperation detection sensor 544. During changeover, the standard rod 543 corresponding to the workpiece to be oil-injected is installed. The anti-misoperation detection sensor 544 detects whether the type of the standard rod 543 corresponds to the workpiece to be oil-injected, and then the changeover cylinder 542 is started to push the oil injection support 511 to move towards the standard rod 543 and stop when it abuts against the standard rod 543, thereby accelerating the changeover speed. By adjusting the position of the oil injection support 511 through the changeover assembly 54, the position of oil injection can be adjusted to adapt to oil injection of different types of workpieces, with good flexibility and wide application range.

[0048] Embodiment 2

[0049] Based on the structure of Embodiment 1, as Figure 3 , 4As shown in the figure, the end cap feeding mechanism 2 includes an end cap bin 21 and a feeding assembly. The end cap bin 21 is cup-shaped and is installed on the workbench 1 through a feeding mounting plate 25. The feeding assembly is arranged above the end cap bin 21 and includes a first translation cylinder 22, a first lifting cylinder 23, and a suction cup seat plate 24. The first translation cylinder 22 is fixed on the upper frame 14 above the workbench 1 through a mounting seat, and its output end is provided with the first lifting cylinder 23. The output end of the first lifting cylinder 23 is provided with the suction cup seat plate 24. A plurality of suction cups are arranged on the suction cup seat plate 24, and the suction cups are used to suck the end caps in the end cap bin 21. And a feeding lifting assembly is arranged below the feeding mounting plate 25. The feeding lifting assembly includes a lifting cylinder 26 and a lifting plate 27 arranged at the output end of the lifting cylinder 26. A through hole is arranged on the feeding mounting plate 25, and the lifting plate 27 passes through the through hole to lift the end cap in the end cap bin 21 above the through hole to the material taking position for the suction cup to take the material. In addition, there are two end cap bins 21, both of which are fixed on the end cap bin seat plate 28. The end cap bin seat plate 28 is slidably connected to the feeding mounting plate 25 through a pushing cylinder 29 and a slide rail. The two end cap bins 21 are alternately fed through the pushing cylinder 29 to improve the feeding efficiency.

[0050] As Figure 5 , 6 shown in the figure, the oiling mechanism 3 includes a feeding assembly and an oiling assembly arranged on the feeding assembly. The feeding assembly includes a second translation cylinder 31, a slide rail, and a moving seat 32 arranged on the second translation cylinder 31 and the slide rail. A first cylinder 33 and a second cylinder 34 are arranged on the moving seat 32 in a parallel and staggered manner. The output end of the first cylinder 33 is provided with a loading plate 35 for loading the end cap, and the output end of the second cylinder 34 is provided with an oiling assembly. The oiling assembly includes an oiling seat plate 36, an oiling head 37, a control valve 38, and an oil grease calibrator 39. The oiling seat plate 36 is arranged below the second cylinder 34, and one end of it is provided with an oiling head 37 directly below the loading plate 35. An oil grease channel is also arranged inside the oiling seat plate 36. The inlet end of the oil grease channel is connected to the oil grease calibrator 39 and the control valve 38, and its outlet end is connected to the oiling head 37. And the control valve 38 is connected to an oil pump through an oil pipe. By the control valve 38 and the oil grease calibrator 39, the oiling pressure is ensured to be stable and the oil amount is uniform, so as to ensure the oiling quality.

[0051] As Figure 5 , 7As shown, the gland pressing mechanism 4 includes a bracket 41, a gas-liquid boosting cylinder 42, a gland pressing plate 43, and a pressing head 44. The bracket 41 is fixed above the workbench 1. The gas-liquid boosting cylinder 42 is arranged on the bracket 41, and a gland pressing plate 43 is provided at its output end. Guide columns 45 connected to the gland pressing plate 43 are also arranged on both sides of the gas-liquid boosting cylinder 42. A pressing head 44 is provided in the middle at the bottom of the gland pressing plate 43. The pressing head 44 is locked to the gland pressing plate 43 through a knob plunger, enabling quick replacement of the pressing head 44. A groove 441 is provided at the bottom of the pressing head 44, and a plurality of suction cups for sucking the end cap are provided on the bottom surface of the groove 441. During gland pressing, the end cap is sucked and placed on the loading plate 35 by the end cap feeding mechanism 2. Then, the feeding assembly of the oil coating mechanism 3 transports the oil coating head 37 and the end cap to directly below the gland pressing mechanism 4. The first cylinder 33 rises, and the suction cups in the pressing head 44 suck the end cap on the loading plate 35. After the end cap is separated from the loading plate 35, the first cylinder 33 resets. Then, the second cylinder 34 drives the oil coating head 37 to extend into the workpiece to apply oil to the first transmission part. After the oil application is completed, the feeding assembly resets, and the gland pressing mechanism 4 operates. The gas-liquid boosting cylinder 42 drives the pressing head 44 to descend, and the end cap in the pressing head 44 is pressed onto the workpiece. In addition, a detection camera 46 is also provided on the bracket 41. The detection camera 46 is used to detect whether the end cap is equipped with a sealing rubber ring. If not, the feeding assembly transports the end cap on the loading plate 35 back to the original position, and then the robot grabs the end cap on the loading plate 35 and places it into the NG bucket located on the workbench 1.

[0052] As Figure 12-15As shown in the figure, the snap ring assembly mechanism 6 includes a base 61, a snap ring magazine 62, a pushing component 63, a tightening component 64, and an upper pressing component 65. The base 61 is fixed on the workbench 1, and the tooling 13 at the second station 12 is arranged on the front side of the base 61. The snap ring magazine 62 is arranged on the rear side of the base 61. The pushing component 63 is arranged below the snap ring magazine 62 and pushes the snap rings in the snap ring magazine 62 from the bottom to the receiving groove 661 at the center of the top of the tightening seat 66. The tightening component 64 is arranged below the tightening seat 66 and is used for tightening the snap ring, including a second lifting cylinder 641 and a second jaw cylinder 642. The second lifting cylinder 641 is fixed on the base 61, and its output end is provided with the second jaw cylinder 642. At both ends of the two jaws of the second jaw cylinder 642, a tightening rod 643 is respectively arranged. Four U-shaped opening grooves 662 corresponding to the tightening rods 643 are arranged on the peripheral side of the receiving groove 661, and the tightening rods 643 are inserted into the U-shaped opening grooves 662. The upper pressing component 65 includes a third translation cylinder 651, a slide rail, and a third lifting cylinder 652 arranged on the third translation cylinder 651 and the slide rail. The third translation cylinder 651 is fixed above the base 61 through a support column 653 and a support plate. The output end of the third lifting cylinder 652 is provided with an upper pressing cylinder 654. An upper pressing cylinder 655 is arranged at the top of the upper pressing cylinder 654. The output end of the upper pressing cylinder 655 extends into the upper pressing cylinder 654 and is connected to an upper pressing head 656. The upper pressing head 656 is inserted into the upper pressing cylinder 654 and is slidably connected to the upper pressing cylinder 654. At the lower end of the upper pressing cylinder 654, U-shaped opening grooves 6541 corresponding to the tightening rods 643 are also arranged one by one. A displacement sensor connected to the upper pressing head 656 is also arranged at the top of the upper pressing cylinder 654 to control the pressing displacement and ensure the pressing quality. When assembling the snap ring, the pushing component 63 pushes the snap ring from the snap ring magazine 62 to the tightening seat 66. Then, the second lifting cylinder 641 is started to drive the tightening rods 643 to rise. At the same time, the tightening rods 643 are driven by the second jaw cylinder 642 to move inward along the straight section of the U-shaped opening groove 662 to tighten the snap ring. When the tightening rods 643 move inward to the bottom of the U-shaped opening groove 662, they stop. Then, the third lifting cylinder 652 is started to drive the upper pressing cylinder 654 to move downward. The upper pressing cylinder 654 descends and sleeves outside the tightened snap ring. The U-shaped opening grooves 6541 are inserted outside the tightening rods 643. Then, the tightening component 64 resets, and the snap ring is clamped inside the upper pressing cylinder 654 under the action of its own elastic force. Then, the third translation cylinder 651 is started to drive the upper pressing cylinder 654 to translate to directly above the tooling 13 on the front side of the base 61. The upper pressing cylinder 655 is started to drive the upper pressing head 656 to move downward to press the snap ring in the upper pressing cylinder 654 onto the workpiece to fix the end cover.

[0053] As Figure 12 , 16As shown, the snap ring magazine 62 is connected to the magazine seat through a knob plunger, and includes a bottom plate 621 and an outer cylinder 622 provided on the bottom plate 621. A plurality of circumferentially arranged limiting rods 623 are provided inside the outer cylinder 622. The outer circle formed by the plurality of limiting rods 623 is matched with the inner diameter of the snap ring, that is, the snap ring is sleeved outside the plurality of limiting rods 623. A guiding strip 624 is further provided between two of the limiting rods 623. The guiding strip 624 is matched with the notch of the snap ring to limit the placement direction of the snap ring. Plug plates 625 slidably connected thereto are further provided on both sides of the bottom plate 621. When the plug plates 625 are inserted into the outer cylinder 622, the discharge port at the bottom of the snap ring magazine 62 is blocked to prevent material discharge, which is convenient for transportation. The positions of the plug plates 625 on the bottom plate 621 are fixed by pins provided on the bottom plate 621. The snap ring magazine has a simple structure, and the direction of the snap ring is limited during feeding, reducing the positioning station during assembly and improving production efficiency.

[0054] As Figure 12 , 17 shown, the snap ring assembling mechanism 6 further includes a material pressing component 67. The material pressing component 67 is used to press the snap ring in the snap ring magazine 62 and is arranged directly above the snap ring magazine 62. The material pressing component 67 includes a material pressing support 671, a material pressing cylinder 672, and a material pressing head 673. The material pressing support 671 is arranged on the support plate. The material pressing cylinder 672 is arranged above the material pressing support 671, and a material pressing head 673 is provided at its output end. Guide rods 674 connected to the material pressing head 673 are further provided on both sides of the material pressing cylinder 672. A plurality of arc-shaped fins are provided at the lower end of the material pressing head 673. The plurality of arc-shaped fins form an open cylinder, and each fin is inserted into the gap between the limiting rods 623 of the snap ring magazine 62. The snap ring is light in weight. Through the setting of the material pressing component 67, the stable discharge of the bottom of the snap ring is ensured.

[0055] To ensure that the inside of the workpiece is clean and dust-free after assembly, as Figure 12 , 18 shown, the snap ring assembling mechanism 6 further includes a cleaning component 68 arranged below the front side of the base 61. The cleaning component 68 includes a fourth lifting cylinder 681, a vacuum generator 682, a spray suction pipe 683, and a dust suction bag 684. The output end of the fourth lifting cylinder 681 is provided with a vacuum generator 682. The vacuum generator 682 is provided with a spray suction pipe 683 at its upper end and a dust suction bag 684 at its lower end. During cleaning, the fourth lifting cylinder 681 drives the spray suction pipe 683 to insert into the workpiece. The spray suction pipe 683 first sprays air to blow the dust in the workpiece away, and then the spray suction pipe 683 sucks air to suck the flying dust into the dust suction bag 684, and the cleaning effect is good.

[0056] The present invention combines the end cover pressing and internal workpiece oil spraying together, with a high degree of automation, which can reduce costs, reduce error rates, and improve production efficiency. The oil spraying mechanism is used to automatically spray oil, and the transmission part to be sprayed is rotated during oil spraying to ensure uniform spraying, avoid the situation of incomplete spraying, and improve production efficiency and quality.

[0057] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be construed as limiting the claimed invention.

[0058] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A steering system gland oil injection device, characterized in that: It includes a workbench, an end cover feeding mechanism, an oiling mechanism, a capping mechanism, an oil spraying mechanism, and a snap ring assembly mechanism. The workbench is provided with two workstations, namely, workstation one and workstation two. Each workstation is provided with a positioning assembly of a positioning tool, and the tool is used to position and load the workpiece. The end cover feeding mechanism is arranged at the rear side between workstation one and workstation two, and is used to feed the end cover to the oiling mechanism. The oiling mechanism is arranged at a side of workstation one close to workstation two, and is used to oil a transmission member one of the workpiece. The capping mechanism is arranged directly above workstation one, and is used to press the end cover onto the workpiece. The oil spraying mechanism includes an oil spraying assembly and a rotating assembly. The oil spraying assembly is arranged at the rear of a side of workstation one away from workstation two, and can extend into the workpiece to spray oil on the transmission member two of the workpiece. The rotating assembly is arranged directly below workstation one, and is used to drive the transmission member two to rotate when spraying oil. The workstation two is provided with a snap ring assembly mechanism, and the snap ring assembly mechanism is used to press the snap ring and fix the end cover. Wherein, the oiling mechanism comprises a feeding assembly and an oiling assembly arranged on the feeding assembly, the feeding assembly comprises a second translation cylinder, a slide rail and a movable seat arranged on the second translation cylinder and the slide rail, the movable seat is provided with a cylinder one and a cylinder two arranged in parallel and staggered, the output end of the cylinder one is provided with a loading plate for loading an end cover, and the output end of the cylinder two is provided with an oiling assembly; the oiling assembly comprises an oiling seat plate, an oiling head, a control valve and a grease calibration, the oiling seat plate is arranged below the cylinder two, one end of which is provided with an oiling head located just below the loading plate, a grease channel is also provided inside the oiling seat plate, the inlet end of the grease channel is connected to the grease calibration and the control valve, the outlet end is connected to the oiling head, and the control valve is connected to the oil pump through an oil pipe; The capping mechanism comprises a bracket, a gas-liquid booster cylinder, a capping plate, and a pressure head. The bracket is fixed above the workbench, the gas-liquid booster cylinder is arranged on the bracket, and a capping plate is arranged at the output end thereof. Guide pillars connected to the capping plate are also arranged on both sides of the gas-liquid booster cylinder. A pressure head is arranged in the middle of the bottom of the capping plate, the pressure head is locked with the capping plate by a knob plunger, and a groove is arranged at the bottom of the pressure head, and a plurality of suction cups for sucking the end cap are arranged on the bottom surface of the groove; The snap ring assembly mechanism includes a base, a snap ring bin, a pushing component, a tightening component, and an upper pressing component. The base is fixed on a workbench, the tooling of the second station is arranged on the front side of the base, the snap ring bin is arranged on the rear side of the base, the pushing component is arranged below the snap ring bin, and the snap ring in the snap ring bin is pushed from the bottom to the receiving groove at the top center position of the tightening seat. The tightening component is arranged below the tightening seat for tightening the snap ring, including a lifting cylinder and a clamping cylinder. The lifting cylinder is fixed on the base, and a clamping cylinder is arranged at its output end. A tightening rod is respectively provided at both ends of the two clamping jaws of the clamping cylinder. The circumferential side of the accommodating groove is provided with four U-shaped opening grooves one corresponding to the tightening rod, and the tightening rod is inserted in the U-shaped opening groove one; the upper pressure assembly includes a translation cylinder three, a slide rail and a lifting cylinder three arranged on the translation cylinder three and the slide rail, the translation cylinder three is fixed above the base through a pillar and a support plate, the output end of the lifting cylinder three is provided with an upper pressure cylinder, the top of the upper pressure cylinder is provided with an upper pressure cylinder, the output end of the upper pressure cylinder extends into the upper pressure cylinder and is connected with an upper pressure head, the upper pressure head is inserted in the upper pressure cylinder and is slidably connected to the upper pressure cylinder, and the lower end of the upper pressure cylinder is also provided with a U-shaped opening groove two corresponding to the tightening rod one by one.

2. The steering system gland oil spraying device according to claim 1, characterized in that: The end cover feeding mechanism includes an end cover silo and a feeding assembly. The end cover silo is cup-shaped and is installed on the workbench through a feeding mounting plate. The feeding assembly is arranged above the end cover silo and includes a translation cylinder 1, a lifting cylinder 1, and a suction cup seat plate. The translation cylinder 1 is fixed to the upper frame above the workbench through a mounting seat, and a lifting cylinder 1 is provided at its output end. A suction cup seat plate is provided at the output end of the lifting cylinder 1, and a plurality of suction cups are provided on the suction cup seat plate, and the suction cups are used to suck the end covers in the end cover silo; and a feeding lifting assembly is provided below the feeding mounting plate, and the feeding lifting assembly includes a lifting cylinder and a lifting plate provided at the output end of the lifting cylinder. A through hole is provided on the feeding mounting plate, and the lifting plate passes through the through hole to lift the end cover in the end cover silo above the through hole to the material taking position.

3. The steering system gland oil spraying device according to claim 1, characterized in that: The fuel injection assembly includes a fuel injection support, a screw pump, a lifting seat, a propulsion cylinder, a propulsion seat, a transposition cylinder, a fuel injection valve, and a fuel injection pipe. The screw pump is fixed on the fuel injection support and connected to the fuel injection valve. A pressure stabilizing system connected to the screw pump is also provided on the top of the fuel injection support. The lifting seat is arranged at the front side of the fuel injection support and is slidably connected to the fuel injection support through a linear moving assembly arranged on the fuel injection support. The lifting seat is provided with an inclined propulsion cylinder, and a propulsion seat is provided at the output end of the propulsion cylinder. A transposition cylinder vertically arranged with the propulsion cylinder is provided on the propulsion seat, and a fuel injection valve is provided at the output end of the transposition cylinder, and a fuel injection pipe is provided at the outlet end of the fuel injection valve. The lifting seat is also provided with an adjustment assembly for adjusting the inclination angle of the propulsion cylinder.

4. The steering system gland oil spraying device according to claim 3, characterized in that: The rotating assembly is arranged below the workbench, and includes a mounting box, a servo motor, a coupling, a connecting rod, a pneumatic valve ring, and a clamping cylinder. The servo motor is fixed below the mounting box, and an output end thereof is connected to one end of a connecting rod via a coupling, and the other end of the connecting rod is connected to a clamping cylinder. The clamping cylinder is fixed on the pneumatic valve ring, and a clamping claw for clamping a transmission member is provided at its output end.

5. The steering system gland oil spraying device according to claim 3, characterized in that: The oil injection mechanism also includes a mold changing component, which is arranged on the mold changing component. The mold changing component includes an oil injection base, a mold changing cylinder, a slide rail, and a standard rod. The oil injection base is fixed on a workbench, and the mold changing cylinder is fixed above the oil injection base. Its output end is connected to the oil injection support. There are two slide rails, which are arranged parallel to the mold changing cylinder. A sliding block is provided at the bottom of the oil injection support, which is slidably connected to the slide rail. A standard rod is provided between the two slide rails. The standard rod is fixed on the oil injection base to limit the stroke of the mold changing cylinder. One end of the marking rod is abutted against the oil injection support, and the other end is provided with an error-proofing detection sensor.

6. The steering system gland oil spraying device according to claim 1, characterized in that: The snap ring silo is connected to the silo seat through a knob plunger, and includes a bottom plate and an outer cylinder arranged on the bottom plate. A plurality of limit rods arranged circumferentially are arranged inside the outer cylinder. The circular outer side composed of the plurality of limit rods matches the inner diameter of the snap ring, and a guide strip is also provided between two of the limit rods. The guide strip matches the groove of the snap ring to limit the placement direction of the snap ring. Insert plates slidably connected thereto are also provided on both sides of the bottom plate. When the insert plates are inserted into the outer cylinder, the discharge port at the bottom of the snap ring silo is blocked to prevent discharge.

7. The steering system gland oil spraying device according to claim 6, characterized in that: The clamping ring assembly mechanism also includes a pressing component, which is used to press down the clamping ring in the clamping ring bin and is arranged directly above the clamping ring bin. The pressing component includes a pressing support, a pressing cylinder, and a pressing head. The pressing support is arranged on a support plate, and the pressing cylinder is arranged above the pressing support. A pressing head is arranged at the output end of the pressing cylinder. Guide rods connected to the pressing head are also arranged on both sides of the pressing cylinder. A plurality of arc-shaped fins are arranged at the lower end of the pressing head, and the plurality of arc-shaped fins form an open cylinder.

8. The steering system gland oil spraying device according to claim 1, characterized in that: The clamping ring assembly mechanism also includes a cleaning component arranged at the lower front side of the base, and the cleaning component includes a lifting cylinder four, a vacuum generator, a spray and suction pipe, and a dust bag. The output end of the lifting cylinder four is provided with a vacuum generator, the upper end of the vacuum generator is provided with a spray and suction pipe, and the lower end thereof is provided with a dust bag.

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