Universal shaft assembly assembly apparatus

Abstract

The application relates to a universal shaft assembly equipment, and belongs to the technical field of screw drill assembly, which comprises a universal shaft clamping device, a sealing sleeve mounting device, a locking nut screwing device and a first displacement mechanism and a second displacement mechanism. Therefore, after the spline shaft of the universal shaft is clamped and positioned by the universal shaft clamping device, the sealing sleeve mounting device and the locking nut screwing device can be used to approach the spline shaft to install the sealing sleeve and screw the locking nut, so that the clamping and positioning of the spline shaft, the expansion and installation of the sealing sleeve and the screwing operation of the locking nut can be completed on the same equipment, and the installation efficiency and production rhythm are improved.

Description

Technical Field

[0001] This application relates to the field of screw drill assembly technology, and in particular to a universal joint assembly assembly equipment. Background Technology

[0002] The universal joint assembly is a crucial component of screw drills, consisting of several key parts such as a splined shaft, splined joints, rubber seals, and lock nuts. Its primary function is to convert the planetary motion of the screw drill rotor into the fixed-axis motion of the drive shaft. The universal joint assembly has two universal joints, each composed of two sets of rubber seals and splined joints, assembled on the two end faces of the splined shaft. The lock nuts at both ends have opposite thread directions.

[0003] The assembly of the universal joint assembly involves complex actions such as tightening threads, opening rubber seals, and alignment. Furthermore, the installation position of the reference component, the splined shaft, needs to be repeatedly changed during assembly. Due to the complexity of the assembly process, the current technical solution involves manual assembly with the aid of auxiliary tools. On a workbench or the ground, the splined shaft is placed vertically, and then the internal components are installed sequentially from top to bottom. Next, the splined connector is installed, and the lock nut is manually tightened onto the splined connector. The splined shaft is then inverted, and the above process is repeated. Finally, the middle section of the splined shaft is clamped on a floor wrench or assembly / disassembly frame, and a special hook wrench and torque lever are used to apply the required torque to the threads between the lock nut and the splined shaft.

[0004] Using the above method, multiple handling processes are required during assembly at multiple workstations. For the heavy splined shaft, manual handling and flipping undoubtedly increase labor intensity. Furthermore, during the inversion process, there is a possibility of misalignment of loosely secured internal components. Because tightening the lock nut requires a large torque, the cooperation of other employees is necessary. The continuous tightening operation is physically demanding, and waiting time prevents continuous assembly operations. Summary of the Invention

[0005] In view of the shortcomings or deficiencies mentioned in the background technology, the present application provides a universal joint assembly equipment that can integrate the functions of sealing sleeve installation, locking nut fastening, and spline shaft clamping into one machine, thereby improving the assembly efficiency and production cycle of the screw drill universal joint assembly.

[0006] This application provides a universal joint assembly assembly device, including: Universal joint clamping device; A sealing sleeve mounting device is disposed on the side of the universal joint clamping device. The sealing sleeve mounting device includes a sealing sleeve expansion mechanism and a first displacement mechanism for driving the sealing sleeve expansion mechanism closer to or away from the universal joint clamping device. A locking nut fastening device is provided on the side of the universal joint clamping device. The locking nut fastening device includes a nut tightening mechanism and a second displacement mechanism for moving the nut tightening mechanism closer to or away from the universal joint clamping device.

[0007] In some embodiments, the universal joint clamping device includes a shaft clamping mechanism and a rotary table for driving the shaft clamping mechanism to rotate horizontally; The sealing sleeve installation device also includes a first lifting platform for driving the first displacement mechanism to rise and fall. The locking nut fastening device also includes a second lifting platform for driving the second displacement mechanism to rise and fall.

[0008] In some embodiments, the rotary table includes a top plate and a bottom plate. A rotating shaft that is rotatably connected to the bottom plate is fixed on the top plate. A geared motor is mounted on the bottom plate. The output shaft of the geared motor is connected to a drive gear. A driven gear that meshes with the drive gear is mounted on the rotating shaft. The shaft clamping mechanism includes a clamping base mounted on the top plate, a V-shaped block and a drive cylinder mounted on the clamping base, and a clamping block for cooperating with the V-shaped block connected to the output end of the drive cylinder through a ball joint.

[0009] In some embodiments, the drive cylinder is a hydraulic cylinder, a hydraulic oil pipe communicating with the hydraulic cylinder is installed inside the rotating shaft, and a rotary joint communicating with the hydraulic oil pipe is installed at the end of the rotating shaft away from the top plate. The base plate is equipped with a limit switch, as well as a buffer and a limit rod arranged in parallel. The top plate is equipped with a pressure block for cooperating with the limit switch, and a baffle for cooperating with the buffer and the limit rod.

[0010] In some embodiments, the universal joint clamping device further includes a mounting platform, the mounting platform including a frame for mounting the base plate, and a panel mounted on the frame for engaging the top plate; A positioning plate is fixed on the top plate, and a locking cylinder for inserting and engaging the positioning plate is fixed on the panel.

[0011] In some embodiments, the sealing sleeve expansion mechanism includes a telescopic rod and a guide seat for horizontally guiding the telescopic rod, wherein the end of the telescopic rod is provided with multiple sets of four-bar linkages distributed circumferentially; The four-bar linkage includes a first link, a second link and a third link that are hinged to the first link and are rotatably connected to the telescopic rod and spaced apart along the axial direction of the telescopic rod, and a fourth link that is hinged to the third link and is rotatably connected to the guide seat.

[0012] In some embodiments, a bushing is rotatably connected to the end of the telescopic rod, the second and third connecting rods are both rotatably connected to the bushing, a ring is rotatably connected to the end of the guide seat, the fourth connecting rod is rotatably connected to the ring, and a lever is fixed on the ring.

[0013] In some embodiments, the nut tightening mechanism includes a mounting base mounted on the second displacement mechanism, the mounting base having a tightening sleeve for engaging the locking nut, and a drive component for rotating the tightening sleeve.

[0014] In some embodiments, the first displacement mechanism includes at least two parallel linear guides, a movable plate mounted on the linear guides, and a drive member for driving the movable plate to translate along the linear guides; The second displacement mechanism has the same structure as the first displacement mechanism.

[0015] In some embodiments, the first lifting platform includes a fixed plate and a support plate, a screw jack is mounted on the fixed plate, a lead screw on the screw jack is fixedly connected to the support plate, and a guide rod is mounted on the support plate that is slidably connected to the fixed plate; The second lifting platform has the same structure as the first lifting platform.

[0016] The beneficial effects of the technical solution provided in this application include: This application provides a universal joint assembly equipment. The sealing sleeve mounting device is located beside the universal joint clamping device, and the sealing sleeve mounting device includes a sealing sleeve expansion mechanism and a first displacement mechanism for moving the sealing sleeve expansion mechanism closer to or away from the universal joint clamping device. The locking nut fastening device is located beside the universal joint clamping device, and the locking nut fastening device includes a nut tightening mechanism and a second displacement mechanism for moving the nut tightening mechanism closer to or away from the universal joint clamping device.

[0017] Therefore, after the universal joint clamping device clamps and positions the spline shaft of the universal joint, the sealing sleeve expansion mechanism and the nut tightening mechanism can be used to approach the spline shaft to install the sealing sleeve and tighten the nut. This allows the clamping and positioning of the spline shaft, the expansion and installation of the sealing sleeve, and the tightening of the nut to be completed on the same machine. This reduces the frequency of workpiece handling and the number of personnel required for assistance, thereby reducing the workload, enabling rapid installation, and improving installation efficiency and production cycle time. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the assembly equipment according to an embodiment of this application; Figure 2 This is a schematic diagram of the structure of the rotary table according to an embodiment of this application; Figure 3 This is a schematic diagram of the rotating table from another perspective, representing an embodiment of this application. Figure 4 This is a schematic diagram of the shaft clamping mechanism according to an embodiment of this application; Figure 5 This is a schematic diagram of the mounting platform according to an embodiment of this application; Figure 6 This is a schematic diagram of the sealing sleeve expansion mechanism according to an embodiment of this application; Figure 7 This is a schematic diagram of the structure of the first lifting platform according to an embodiment of this application.

[0020] The attached diagram lists the components represented by each number as follows: 1. First support frame; 2. First lifting platform; 201. Fixed plate; 202. Guide rod; 203. Guide sleeve; 204. Screw jack; 205. Lead screw; 206. First fixed seat; 207. Second fixed seat; 208. Support plate; 3. First displacement mechanism; 301. Linear guide rail; 302. Movable plate; 303. Driving component; 4. Mounting platform; 401. Frame; 402. Panel; 403. Fixed frame; 404. Heavy-duty foot cup; 5. Rotary table; 501. Top plate; 502. Bottom plate; 503. Buffer; 504. Limit rod; 505. Mounting cover; 506. Driven gear; 507. Driving gear; 508. Hydraulic oil pipe; 509. Rotary joint; 510. Annular block; 51 1. Baffle; 512. Pressure block; 513. Positioning plate; 514. Gear motor; 515. Rotating shaft; 516. Limit switch; 6. Locking cylinder; 7. Shaft clamping mechanism; 701. Clamping base; 702. Pad; 703. V-block; 704. Clamping block; 705. Ball head rod; 706. Ball head pressure plate; 707. Extension rod; 708. Drive cylinder; 8. Second support frame; 9. Second lifting platform; 10. Nut tightening mechanism; 11. Second displacement mechanism; 12. Sealing sleeve expansion mechanism; 121. Telescopic rod; 122. Guide seat; 123. First connecting rod; 124. Second connecting rod; 125. Third connecting rod; 126. Fourth connecting rod; 127. Bushing; 128. Ring sleeve; 129. Lever. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0022] In view of the shortcomings or deficiencies mentioned in the background technology, the present application provides a universal joint assembly equipment that can integrate the functions of sealing sleeve installation, locking nut fastening, and spline shaft clamping into one machine, thereby improving the assembly efficiency and production cycle of the screw drill universal joint assembly.

[0023] See Figures 1 to 7 As shown in the figure, this application provides a universal joint assembly assembly equipment, including: Universal joint clamping device; A sealing sleeve installation device is provided on the side of the universal joint clamping device. The sealing sleeve installation device includes a sealing sleeve expansion mechanism 12 and a first displacement mechanism 3 for driving the sealing sleeve expansion mechanism 12 closer to or away from the universal joint clamping device. The locking nut fastening device is located on the side of the universal joint clamping device. The locking nut fastening device includes a nut tightening mechanism 10 and a second displacement mechanism 11 for moving the nut tightening mechanism 10 closer to or away from the universal joint clamping device.

[0024] The universal joint assembly equipment of this application embodiment is provided with a universal joint clamping device, a sealing sleeve installation device, and a locking nut tightening device. After the universal joint clamping device clamps and positions the spline shaft of the universal joint, the sealing sleeve expansion mechanism 12 and the nut tightening mechanism 10 can be used to approach the spline shaft to install the sealing sleeve and tighten the locking nut, thereby realizing the clamping and positioning of the spline shaft, the expansion and installation of the sealing sleeve, and the tightening of the locking nut on the same equipment.

[0025] For example, in this embodiment, the universal joint clamping device, the sealing sleeve mounting device, and the locking nut fastening device are arranged in a straight line, with the sealing sleeve mounting device and the locking nut fastening device located on both sides of the universal joint clamping device. After the universal joint clamping device clamps and positions the spline shaft of the universal joint, the first displacement mechanism 3 and the second displacement mechanism 11 are used to simultaneously bring the sealing sleeve expansion mechanism 12 and the nut tightening mechanism 10 close to the universal joint clamping device, thereby achieving simultaneous installation of the sealing sleeve and fastening of the locking nut.

[0026] In some alternative embodiments: see Figures 1 to 7 As shown, this application embodiment provides a universal joint assembly equipment. The universal joint clamping device of the universal joint assembly equipment includes a shaft clamping mechanism 7 and a rotary table 5 for driving the shaft clamping mechanism 7 to rotate horizontally. The sealing sleeve installation device also includes a first lifting platform 2 for driving the first displacement mechanism 3 to rise and fall; The locking nut fastening device also includes a second lifting platform 9 for driving the second displacement mechanism 11 to rise and fall.

[0027] The shaft clamping mechanism 7 of this application embodiment, together with the rotary table 5, can realize the clamping and rotation of the spline shaft. After the sealing sleeve is installed on one end of the spline shaft, the rotary table 5 can drive the spline shaft to rotate 180° and then install the sealing sleeve and tighten the locking nut at both ends respectively, avoiding multiple handling of the workpiece during the assembly process, thereby further improving the installation efficiency.

[0028] Meanwhile, the first lifting platform 2 and the second lifting platform 9 can adjust the height of the first displacement mechanism 3 and the second displacement mechanism 11 respectively, while the sealing sleeve expansion mechanism 12 and the nut tightening mechanism 10 are located on the first displacement mechanism 3 and the second displacement mechanism 11 respectively, so that the center height of the sealing sleeve installation and nut tightening can be adjusted to adapt to the assembly of universal joint assemblies of different specifications.

[0029] In some alternative embodiments: see Figures 1 to 7 As shown, this application embodiment provides a universal joint assembly equipment. The rotary table 5 of the universal joint assembly equipment includes a top plate 501 and a bottom plate 502. A rotating shaft 515 rotatably connected to the bottom plate 502 is fixed on the top plate 501. A reduction motor 514 is installed on the bottom plate 502. The output shaft of the reduction motor 514 is connected to a drive gear 507. A driven gear 506 meshing with the drive gear 507 is installed on the rotating shaft 515. The shaft clamping mechanism 7 includes a clamping base 701 mounted on the top plate 501. A V-block 703 and a drive cylinder 708 are mounted on the clamping base 701. The output end of the drive cylinder 708 is connected to a clamping block 704 for cooperating with the V-block 703 via a ball joint.

[0030] In this embodiment, the top plate 501 and the bottom plate 502 are parallel to each other and spaced apart. The top plate 501 is connected to a rotating shaft 515 that is rotatably connected to the bottom plate 502 by bolts. The axis of the rotating shaft 515 is perpendicular to the top plate 501. A driven gear 506 is fixedly installed on the rotating shaft 515. The reduction motor 514 installed on the bottom plate 502 can drive the driven gear 506 to rotate through the driving gear 507, and then drive the top plate 501 to rotate through the rotating shaft 515, so as to realize the horizontal rotation of the clamping base 701.

[0031] The drive cylinder 708 on the clamping base 701 can drive the clamping block 704 to approach the V-block 703 to clamp the spline shaft of the universal joint. The groove of the V-block 703 can prevent the spline shaft from disengaging. The ball joint connecting the output end of the drive cylinder 708 and the clamping block 704 can achieve a small range of rotational adjustment of the position of the clamping block 704 to accommodate slight deformation and positional deviation of the workpiece during the clamping process.

[0032] For example, in order to improve the transmission stability of the driving gear 507 and the driven gear 506 in this embodiment, an annular block 510 located outside the rotating shaft 515 is fixedly connected between the top plate 501 and the driving gear 507. An mounting cover 505 is fixedly installed on the bottom plate 502. A short shaft is rotatably connected to the mounting cover 505 through a bearing. The short shaft is connected to the output end of the geared motor 514 through a coupling. The driving gear 507 is fixed on the short shaft. A through hole is opened on the mounting cover 505 to expose the driving gear 507, so as to facilitate the meshing of the driving gear 507 and the driven gear 506.

[0033] In this embodiment, a pad 702 is fixedly connected between the V-block 703 and the clamping base 701. The pad 702 can raise the V-block 703, facilitating the horizontal clamping of irregular shafts. The V-block 703 has an anti-slip groove for clamping and anti-slip, and the clamping block 704 also has a groove for auxiliary clamping. The ball joint includes a ball head rod 705, and an extension rod 707 is fixedly connected between the ball head rod 705 and the output end of the drive cylinder 708. The top surface of the clamping block 704 has a ball socket groove that matches the ball head rod 705, and a ball head pressure plate 706 for constraining the ball head rod 705 is fixedly installed on the top of the clamping block 704.

[0034] In some alternative embodiments: see Figures 1 to 7 As shown, this application embodiment provides a universal joint assembly equipment. The drive cylinder 708 of the universal joint assembly equipment is a hydraulic cylinder. A hydraulic oil pipe 508 communicating with the hydraulic cylinder is installed inside the rotating shaft 515. A rotary joint 509 communicating with the hydraulic oil pipe 508 is installed at the end of the rotating shaft 515 away from the top plate 501. A limit switch 516 is installed on the base plate 502, along with a buffer 503 and a limit rod 504 arranged in parallel. A pressure block 512 for cooperating with the limit switch 516 and a baffle 511 for cooperating with the buffer 503 and the limit rod 504 are installed on the top plate 501.

[0035] In this embodiment, the drive cylinder 708 is a hydraulic cylinder. To facilitate the horizontal rotation of the hydraulic cylinder together with the clamping base 701, the hydraulic oil pipe 508, which is connected to the hydraulic cylinder, is arranged inside the rotating shaft 515. The top plate 501 is provided with a clearance hole for the hydraulic oil pipe 508 to pass through. The end of the rotating shaft 515 away from the top plate 501 is equipped with a rotary joint 509 that is connected to the hydraulic oil pipe 508, which facilitates the connection of an external hydraulic oil supply device.

[0036] In addition, to facilitate the control of the rotary table 5 to achieve 180° rotation, two symmetrically arranged limit switches 516 and two symmetrically arranged supports are fixedly installed on the base plate 502. Each support is equipped with a buffer 503 and a limit rod 504. A baffle 511 is vertically installed on the bottom surface of the top plate 501, and a pressure block 512 is fixedly installed on the baffle 511. When the rotary table 5 rotates 180° clockwise or counterclockwise, the pressure block 512 triggers one side of the limit switch 516, and the buffer 503 and limit rod 504 respectively serve as buffers and limiters.

[0037] In some alternative embodiments: see Figures 1 to 7 As shown, this application embodiment provides a universal joint assembly equipment. The universal joint clamping device of the universal joint assembly equipment further includes a mounting platform 4. The mounting platform 4 includes a frame 401 for mounting a base plate 502, and a panel 402 mounted on the frame 401 for cooperating with a top plate 501. A positioning plate 513 is fixed on the top plate 501, and a locking cylinder 6 for inserting and engaging the positioning plate 513 is fixed on the panel 402.

[0038] The rotary table 5 of this application embodiment is installed on the mounting platform 4. The mounting platform 4 includes a frame 401 and a panel 402. A fixing frame 403 is installed inside the frame 401. A heavy-duty foot cup 404 for supporting the frame 401 is installed at the bottom of the frame 401. The panel 402 is fixedly connected to the frame 401. A circular hole is opened on the panel 402. The bottom plate 502 of the rotary table 5 is fixed on the fixing frame 403 inside the frame 401. The top plate 501 is located in the circular hole of the panel 402 and is slidably connected to the circular hole.

[0039] To facilitate the positioning of the top plate 501, a positioning plate 513 located below the panel 402 is fixed on the top plate 501. The positioning plate 513 has a positioning hole. A locking cylinder 6 is fixed on the top surface of the top plate 501. After the top plate 501 is rotated into position, the locking cylinder 6 can be controlled to extend its shaft through the positioning hole to lock the top plate 501.

[0040] In some alternative embodiments: see Figures 1 to 7As shown, this application embodiment provides a universal joint assembly equipment. The sealing sleeve expansion mechanism 12 of the universal joint assembly equipment includes a telescopic rod 121 and a guide seat 122 for horizontally guiding the telescopic rod 121. The end of the telescopic rod 121 is provided with multiple sets of four-bar linkages distributed circumferentially. The four-bar linkage includes a first link 123, a second link 124 and a third link 125 that are hinged to the first link 123 and are rotatably connected to the telescopic rod 121 and are spaced apart along the axial direction of the telescopic rod 121, and a fourth link 126 that is hinged to the third link 125 and rotatably connected to the guide seat 122.

[0041] In this embodiment, the telescopic rod 121 can extend and retract horizontally toward the shaft clamping mechanism 7. The telescopic rod 121 can drive the second connecting rod 124 and the third connecting rod 125 away from the guide seat 122. The third connecting rod 125, constrained by the fourth connecting rod 126, will swing outwards, thereby driving the first connecting rod 123 away from the telescopic rod 121. When the sealing sleeve is fitted onto multiple first connecting rods 123, the sealing sleeve can be expanded outwards. Furthermore, the first displacement mechanism 3 can indirectly drive the sealing sleeve closer to the shaft clamping mechanism 7, allowing the splined shaft held by the shaft clamping mechanism 7 to automatically pass into the expanded sealing sleeve.

[0042] For example, in this embodiment, the telescopic rod 121 is a motor-driven electric push rod. The electric push rod is fixed to the movable plate 302 of the first displacement mechanism 3 via a connecting seat. The guide seat 122 is also fixed to the movable plate 302 of the first displacement mechanism 3. The output end of the electric push rod passes through the guide seat 122 and faces the shaft clamping mechanism 7. In addition, to facilitate the expansion of the sealing sleeve, the first connecting rod 123 extends to the front end of the telescopic rod 121, and the front ends of multiple first connecting rods 123 are brought close to each other by setting bent sections.

[0043] In some alternative embodiments: see Figures 1 to 7 As shown, this application embodiment provides a universal joint assembly equipment. The end of the telescopic rod 121 of the universal joint assembly equipment is rotatably connected to the bushing 127. The second connecting rod 124 and the third connecting rod 125 are both rotatably connected to the bushing 127. The end of the guide seat 122 is coaxially rotatably connected to the ring 128. The fourth connecting rod 126 is rotatably connected to the ring 128. A lever 129 is fixed on the ring 128.

[0044] In this embodiment, the front end of the first connecting rod 123 is a slender rod-shaped structure. To facilitate the matching of the first connecting rod 123 with the groove on the spline shaft, the end of the telescopic rod 121 is rotatably connected to the bushing 127 via a bearing, and the end of the guide seat 122 is coaxially rotatably connected to the ring 128 via a bearing. The second connecting rod 124 and the third connecting rod 125 are rotatably connected to the bushing 127 via hinges, and the fourth connecting rod 126 is rotatably connected to the ring 128 via a hinge.

[0045] A lever 129 is fixed on the ring 128. Pushing the lever 129 can rotate the ring 128, which in turn can rotate the first connecting rod 123 indirectly connected to it around the telescopic rod 121. This allows for easy adjustment of the circumferential position of the first connecting rod 123 to match the groove on the spline shaft. When the outwardly expanding sealing sleeve on the first connecting rod 123 surrounds the spline shaft, the position of the first connecting rod 123 can be adjusted circumferentially by the lever 129. Then, multiple first connecting rods 123 can be controlled to move closer to each other and engage with the groove on the spline shaft, causing the sealing sleeve to retract and contact the spline shaft. Finally, the first connecting rod 123 can be controlled to slide away from the groove, achieving automatic installation of the sealing sleeve.

[0046] In some alternative embodiments: see Figures 1 to 7 As shown, this application embodiment provides a universal joint assembly equipment. The nut tightening mechanism 10 of the universal joint assembly equipment includes a mounting base mounted on a second displacement mechanism 11. A tightening sleeve for cooperating with a locking nut is mounted on the mounting base, and a drive component for driving the tightening sleeve to rotate.

[0047] In this embodiment, the mounting base can move closer to the shaft clamping mechanism 7 along with the second displacement mechanism 11. The tightening sleeve on the mounting base faces the shaft clamping mechanism 7. The tightening sleeve can be selected and installed according to the model of the locking nut. The tightening sleeve is driven to rotate by the driving component on the mounting base. For example, in this embodiment, the driving component is a geared servo motor. The output end of the geared servo motor is equipped with a transmission shaft that is rotatably connected to the mounting base. The transmission shaft is detachably connected to the tightening sleeve.

[0048] In some alternative embodiments: see Figures 1 to 7 As shown, this application embodiment provides a universal joint assembly equipment. The first displacement mechanism 3 of the universal joint assembly equipment includes at least two parallel linear guide rails 301, a movable plate 302 mounted on the linear guide rails 301, and a driving member 303 for driving the movable plate 302 to translate along the linear guide rails 301. The second displacement mechanism 11 has the same structure as the first displacement mechanism 3.

[0049] The first displacement mechanism 3 of this application embodiment includes two parallel linear guide rails 301. The linear guide rails 301 are fixedly mounted on the support plate 208 of the first lifting platform 2. The movable plate 302 is fixedly mounted on the sliders of the two linear guide rails 301. A driving member 303 for pushing the movable plate 302 is fixedly mounted on the support plate 208. For example, the driving member 303 in this embodiment is an electric push rod.

[0050] In some alternative embodiments: see Figures 1 to 7As shown, this application embodiment provides a universal joint assembly equipment. The first lifting platform 2 of the universal joint assembly equipment includes a fixed plate 201 and a support plate 208. A screw jack 204 is installed on the fixed plate 201. The lead screw 205 on the screw jack 204 is fixedly connected to the support plate 208. A guide rod 202 that is slidably connected to the fixed plate 201 is installed on the support plate 208. The second lifting platform 9 has the same structure as the first lifting platform 2.

[0051] In this embodiment, the fixing plate 201 and the support plate 208 of the first lifting platform 2 are parallel to each other. The fixing plate 201 is fixed on the first support frame 1, and the structure of the first support frame 1 is the same as that of the frame 401 of the mounting platform 4. The bottom surface of the support plate 208 is fixedly mounted with a first fixing seat 206 that is fixedly connected to the lead screw 205 and a second fixing seat 207 that is fixedly connected to the guide rod 202. A guide sleeve 203 that is slidably connected to the guide rod 202 is fixedly connected to the support plate 208. The lead screw 205 of the screw jack 204 can drive the support plate 208 to rise and fall, and the guide rod 202 plays a vertical guiding role. In addition, the second lifting platform 9 is mounted on the second support frame 8, and the structure of the second support frame 8 is the same as that of the frame 401 of the mounting platform 4.

[0052] In summary, this application provides a universal joint assembly assembly equipment that can solve the problems of multiple workstations in the assembly of universal joint assemblies, requiring multiple handling and flipping, and the inability to automatically expand the sealing sleeve and tighten the locking nut.

[0053] Compared with the prior art, the technical solution of this application has the following beneficial technical effects: 1. The functions of expanding and installing the sealing sleeve, tightening the locking nut, and clamping and rotating the spline shaft are integrated into one machine, avoiding the need to move the workpiece multiple times during the assembly process.

[0054] 2. The components of Wan Zong are placed at ergonomically designed heights to avoid long-term continuous bending operations. Semi-automated operation is achieved through electro-hydraulic control, which replaces manual labor in processes such as clamping, reversing, expanding sealing sleeves, and locking nuts, greatly reducing labor intensity.

[0055] 3. Through electro-hydraulic control, the clamping, installation, and fastening of the universal joint can be completed by one person, reducing the number of assisting personnel, alleviating the workload, and enabling rapid installation and improving efficiency.

[0056] In the description of this application, it should be noted that the terms "upper," "lower," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Unless otherwise expressly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0057] It should be noted that in this application, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0058] The above description is merely a specific embodiment of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A universal joint assembly assembly equipment, characterized in that, include: Universal joint clamping device; A sealing sleeve mounting device is provided on the side of the universal joint clamping device. The sealing sleeve mounting device includes a sealing sleeve expansion mechanism (12) and a first displacement mechanism (3) for driving the sealing sleeve expansion mechanism (12) closer to or away from the universal joint clamping device. A locking nut fastening device is provided on the side of the universal joint clamping device. The locking nut fastening device includes a nut tightening mechanism (10) and a second displacement mechanism (11) for driving the nut tightening mechanism (10) closer to or away from the universal joint clamping device.

2. The universal joint assembly assembly equipment as described in claim 1, characterized in that: The universal joint clamping device includes a shaft clamping mechanism (7) and a rotary table (5) for driving the shaft clamping mechanism (7) to rotate horizontally. The sealing sleeve installation device also includes a first lifting platform (2) for driving the first displacement mechanism (3) to rise and fall. The locking nut fastening device also includes a second lifting platform (9) for driving the second displacement mechanism (11) to rise and fall.

3. The universal joint assembly assembly equipment as described in claim 2, characterized in that: The rotary table (5) includes a top plate (501) and a bottom plate (502). A rotating shaft (515) that is rotatably connected to the bottom plate (502) is fixed on the top plate (501). A geared motor (514) is mounted on the bottom plate (502). The output shaft of the geared motor (514) is connected to a drive gear (507). A driven gear (506) that meshes with the drive gear (507) is mounted on the rotating shaft (515). The shaft clamping mechanism (7) includes a clamping base (701) mounted on the top plate (501), a V-block (703) and a drive cylinder (708) mounted on the clamping base (701), and a clamping block (704) for cooperating with the V-block (703) is connected to the output end of the drive cylinder (708) through a ball joint.

4. The universal joint assembly assembly equipment as described in claim 3, characterized in that: The drive cylinder (708) is a hydraulic cylinder. A hydraulic oil pipe (508) communicating with the hydraulic cylinder is installed inside the rotating shaft (515). A rotary joint (509) communicating with the hydraulic oil pipe (508) is installed at one end of the rotating shaft (515) away from the top plate (501). The base plate (502) is equipped with a limit switch (516), a buffer (503) and a limit rod (504) arranged in parallel, and the top plate (501) is equipped with a pressure block (512) for cooperating with the limit switch (516), and a baffle (511) for cooperating with the buffer (503) and the limit rod (504).

5. The universal joint assembly assembly equipment as described in claim 3, characterized in that: The universal joint clamping device also includes a mounting platform (4), which includes a frame (401) for mounting the base plate (502) and a panel (402) mounted on the frame (401) for cooperating with the top plate (501). A positioning plate (513) is fixed on the top plate (501), and a locking cylinder (6) for inserting and cooperating with the positioning plate (513) is fixed on the panel (402).

6. The universal joint assembly assembly equipment as described in claim 1, characterized in that: The sealing sleeve expansion mechanism (12) includes a telescopic rod (121) and a guide seat (122) for horizontally guiding the telescopic rod (121). The end of the telescopic rod (121) is provided with multiple sets of four-bar linkages distributed circumferentially. The four-bar linkage includes a first link (123), on which a second link (124) and a third link (125) are hinged and rotatably connected to the telescopic rod (121) and spaced apart along the axial direction of the telescopic rod (121). On the third link (125) a fourth link (126) is hinged and rotatably connected to the guide seat (122).

7. The universal joint assembly assembly equipment as described in claim 6, characterized in that: The telescopic rod (121) is rotatably connected to a bushing (127) at its end. The second connecting rod (124) and the third connecting rod (125) are both rotatably connected to the bushing (127). The guide seat (122) is coaxially rotatably connected to a ring sleeve (128) at its end. The fourth connecting rod (126) is rotatably connected to the ring sleeve (128). A lever (129) is fixed on the ring sleeve (128).

8. The universal joint assembly assembly equipment as described in claim 1, characterized in that: The nut tightening mechanism (10) includes a mounting base mounted on the second displacement mechanism (11), a tightening sleeve for cooperating with the locking nut and a drive component for driving the tightening sleeve to rotate.

9. The universal joint assembly assembly equipment as described in claim 1, characterized in that: The first displacement mechanism (3) includes at least two parallel linear guide rails (301), a movable plate (302) mounted on the linear guide rails (301), and a driving member (303) for driving the movable plate (302) to translate along the linear guide rails (301). The second displacement mechanism (11) has the same structure as the first displacement mechanism (3).

10. The universal joint assembly assembly equipment as described in claim 2, characterized in that: The first lifting platform (2) includes a fixed plate (201) and a support plate (208). A screw jack (204) is installed on the fixed plate (201). The lead screw (205) on the screw jack (204) is fixedly connected to the support plate (208). A guide rod (202) that is slidably connected to the fixed plate (201) is installed on the support plate (208). The second lifting platform (9) has the same structure as the first lifting platform (2).

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