CN113909889A - Auxiliary device for assembling cross-axle type universal coupling - Google Patents
Auxiliary device for assembling cross-axle type universal coupling Download PDFInfo
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- CN113909889A CN113909889A CN202111316760.XA CN202111316760A CN113909889A CN 113909889 A CN113909889 A CN 113909889A CN 202111316760 A CN202111316760 A CN 202111316760A CN 113909889 A CN113909889 A CN 113909889A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
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- B25B11/02—Assembly jigs
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Abstract
The invention discloses an auxiliary device for assembling a cross-axle type universal coupling, which comprises a base, wherein a rotary table is rotatably arranged at the top of the base, a rotating motor is fixedly arranged on the inner side of the base, an output shaft of the rotating motor is fixedly connected with the rotary table, a butt joint mechanism is fixedly arranged at the top of the rotary table, a fixed seat is arranged on one side of the base, a bracket is movably arranged at the top of the fixed seat, a moving frame is slidably arranged at the top of the bracket, a rotating seat is rotatably arranged on the inner side of the bracket, and a three-jaw chuck is fixedly connected to the top end of a connecting shaft; the auxiliary device can fix spline sleeves and spline shafts with different sizes, can meet the installation requirements of couplers with different sizes, is high in applicability, can adjust the angles of the welding fork and the flange fork respectively, can install couplers of different types, and simultaneously ensures the installation accuracy.
Description
Technical Field
The invention relates to the technical field of shaft coupling machining equipment, in particular to an auxiliary device for assembling a cross-axle type universal shaft coupling.
Background
The universal joint pin type universal coupling is a common coupling, can make two shafts which are not on the same axis or have larger angle of folding or larger axial movement continuously rotate at the same angular speed by using the structural characteristics of the universal joint pin type universal coupling, reliably transmits torque and movement, and can be widely applied to transmitting torque in mechanical shafting of lifting, engineering transportation, mines, petroleum, ships, coal, rubber, paper machines and other heavy machinery industries. The auxiliary device for assembling the traditional cross-axle type universal coupling cannot be used for installing couplings with different sizes, the applicability is poor, the angle of a welding fork head and the angle of a flange fork head are not convenient to adjust during assembling, the installation accuracy cannot be guaranteed, the assembling speed is low, and the working efficiency is low.
Disclosure of Invention
The invention aims to provide an auxiliary device for assembling a cross-axle type universal coupling, and solves the technical problems that the auxiliary device for assembling the traditional cross-axle type universal coupling cannot be used for installing couplings with different sizes, the applicability is poor, the angles of welding fork heads and flange fork heads are inconvenient to adjust during assembly, the installation accuracy cannot be guaranteed, the assembly speed is low, and the working efficiency is low.
The purpose of the invention can be realized by the following technical scheme:
the auxiliary device for assembling the cross-axle type universal coupling comprises a base, wherein a rotary table is rotatably mounted at the top of the base, a rotary motor is fixedly mounted on the inner side of the base, an output shaft of the rotary motor is fixedly connected with the rotary table, a butt joint mechanism is fixedly mounted at the top of the rotary table, two fixing mechanisms for fixing the cross-axle type universal coupling are mounted on the butt joint mechanism, and the two fixing mechanisms are symmetrically distributed;
the fixing mechanism comprises a supporting seat, a supporting column is fixedly installed at the top of the supporting seat, an installation barrel is rotatably installed on the supporting column and penetrates through the supporting column, a circular plate is arranged on one side of the supporting column, one end of the installation barrel is fixedly connected with the circular plate, an installation hole is formed in the middle of the circular plate and is communicated with the installation barrel, a rotating motor is fixedly installed on the supporting seat, an output shaft of the rotating motor is connected with the installation barrel through a belt pulley and a belt, a rotating plate is arranged on one side of the circular plate and is rotatably connected with the installation barrel, three curved holes are formed in the rotating plate, three clamping blocks are arranged on the other side of the circular plate and are distributed in an equal-radian ring shape, fixing rods are fixedly installed on one sides of the three clamping blocks, three through grooves are formed in the equal-radian ring shape on the circular plate, and are slidably installed in the through grooves, one end of the fixed rod penetrates through the through groove and is rotatably provided with a pulley, the pulley is slidably arranged in the corresponding curved hole, the other side of the circular plate is fixedly provided with a clamping motor, and an output shaft of the clamping motor is connected with the rotating plate through a belt pulley and a belt;
one side of base is provided with the fixing base, the top movable mounting of fixing base has the bracket, the top slidable mounting of bracket has the removal frame, the inboard of bracket is rotated and is installed and rotate the seat, the top of removing the frame is rotated and is installed the pivot, pivot and rotation seat top fixed connection, fixed mounting has the upset motor on the removal frame, the output shaft tip of upset motor and the one end fixed connection of pivot, rotate and install the connecting axle on the seat, the top fixedly connected with three-jaw chuck of connecting axle, the inboard fixed mounting who rotates the seat has angle modulation motor, angle modulation motor's output shaft passes through belt pulley, belt and connecting axle.
Further, the inboard fixed mounting of fixing base has the baffle, there is the lifter plate above the baffle along vertical direction movable mounting, lifter plate and bracket fixed connection, vertically on the baffle be provided with lead screw and two guide bars, lead screw and baffle threaded connection, guide bar and baffle sliding connection, the bottom and the motor board fixed connection of lead screw and two guide bars, fixed mounting has elevator motor on the motor board, elevator motor passes through belt pulley, belt and screw connection.
Furthermore, a translation cylinder is fixedly mounted on one side of the bracket, and the end part of an output rod of the translation cylinder is fixedly connected with the moving frame.
Furthermore, a second sliding block is fixedly installed on one side of the clamping block, a second three sliding rails are annularly fixed on the other side of the circular plate in an equal radian, and the clamping block is connected with the circular plate in a sliding mode through the second sliding block and the second sliding rail.
Furthermore, the three curved holes are distributed on the rotating plate in an equal-radian annular shape.
Further, docking mechanism includes the mounting bracket, the top movable mounting of mounting bracket has two removal layer boards, two removal layer boards respectively with two fixed establishment fixed connection, the upper surface middle part of mounting bracket rotates and installs connecting rod one, the both ends of connecting rod one all articulate there is connecting rod two, and the one end that connecting rod one was kept away from to two connecting rod two is articulated with two removal layer boards respectively, the last fixed surface of mounting bracket installs the moving cylinder, moving cylinder's output pole tip and one of them removal layer board fixed connection, the bottom fixed mounting of removing the layer board has two sliders one, the equal fixed mounting in upper surface both ends of mounting bracket has two slide rails two, the removal layer board passes through slider one, slide rail two and mounting bracket sliding connection.
Further, the universal joint pin type universal coupling comprises a spline housing, the spline housing is movably mounted on the inner side of the spline housing, a welding fork is fixedly mounted at one end of the spline housing and one end of the spline shaft, a cross shaft is rotatably mounted on the welding fork, and the welding fork is connected with the flange fork through the cross shaft.
Further, the working method of the auxiliary device specifically comprises the following steps:
step one, inserting a spline sleeve provided with a welding fork head into an installation cylinder of one of the fixing mechanisms, enabling the spline sleeve to penetrate through an installation hole of a circular plate, inserting a spline shaft into an installation cylinder of the other fixing mechanism, starting a clamping motor, driving a rotating plate to rotate by the clamping motor, driving a fixed rod to move along a through groove by the rotating plate, driving clamping blocks to move, clamping and fixing the spline sleeve and the spline shaft by corresponding three clamping blocks respectively, starting a rotating motor, driving the installation cylinder to rotate by the rotating motor, driving the spline sleeve and the spline shaft to rotate, adjusting the angle of the welding fork head on the spline sleeve and the spline shaft as required, starting a movable air cylinder, driving two movable supporting plates to move oppositely by the movable air cylinder matching with a connecting rod I and a connecting rod II, driving the spline sleeve and the spline shaft to approach each other, and butting the spline sleeve and the spline shaft;
step two, placing the flange jaw on a three-jaw chuck, tightly clamping the flange jaw through the three-jaw chuck, starting a lifting motor, driving a lifting plate to ascend by the lifting motor, and drives the bracket to rise, starts the turnover motor, the turnover motor drives the rotating shaft to rotate and drives the rotating seat to rotate, so that the three-jaw chuck and the flange fork head rotate ninety degrees, the angle adjusting motor is started, the angle adjusting motor drives the connecting shaft to rotate, and drives the flange fork head to rotate, adjusts the angle of the flange fork head, starts the translation cylinder, the translation cylinder drives the moving frame to move, and drives the flange fork head to move, the flange fork head is arranged on the welding fork head of the spline sleeve through the cross shaft, the rotating motor is started, the rotating motor drives the rotating disc to rotate one hundred eighty degrees, and driving the two fixing mechanisms to rotate to enable the spline shaft to be close to the bracket, repeating the steps, and installing the other welding fork head on the welding fork head of the spline shaft through the cross shaft.
The invention has the beneficial effects that:
the spline sleeve provided with the welding fork head is inserted into the mounting cylinder of one of the fixing mechanisms and penetrates through the mounting hole of the circular plate, the spline shaft is inserted into the mounting cylinder of the other fixing mechanism, the clamping motor is started, the clamping motor drives the rotating plate to rotate, the rotating plate drives the fixing rod to move along the through groove and drives the clamping blocks to move, and the spline sleeve and the spline shaft are clamped and fixed through the corresponding three clamping blocks respectively;
according to the invention, the rotating motor is started, the rotating motor drives the mounting cylinder to rotate and drives the spline housing and the spline shaft to rotate, the angle of the welding fork on the spline housing and the welding fork on the spline shaft is adjusted according to the requirement, the angle adjusting motor is started, the angle adjusting motor drives the connecting shaft to rotate and drives the flange fork to rotate, and the angle of the flange fork is adjusted;
the flange fork head is placed on a three-jaw chuck, the flange fork head is clamped through the three-jaw chuck, a lifting motor is started, the lifting motor drives a lifting plate to ascend and drives a bracket to ascend, a turnover motor is started, the turnover motor drives a rotating shaft to rotate and drives a rotating seat to rotate, so that the three-jaw chuck and the flange fork head rotate ninety degrees, a translation cylinder is started, the translation cylinder drives a moving frame to move and drives the flange fork head to move, the flange fork head is installed on a welding fork head of the spline sleeve through a cross shaft, the rotation motor is started, the rotation motor drives a rotating disc to rotate by one hundred eighty degrees and drives two fixing mechanisms to rotate, make the integral key shaft be close to the bracket, on the welding prong of integral key shaft was installed through the cross to another welding prong, assemble the shaft coupling through this auxiliary device, assembly speed is fast, and work efficiency is high.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an assembled cross-sectional view of the base and turntable of the present invention;
FIG. 3 is an assembled top view of the docking mechanism and securing mechanism of the present invention;
FIG. 4 is a perspective view of the docking mechanism of the present invention;
FIG. 5 is a perspective view of the securing mechanism of the present invention;
FIG. 6 is a side view of the securing mechanism of the present invention;
FIG. 7 is an assembled perspective view of the bracket, the travel frame, the rotating base and the three-jaw chuck of the present invention;
FIG. 8 is an assembled cross-sectional view of the bracket, carriage, turret and three-jaw chuck of the present invention;
FIG. 9 is a sectional view of the fixing base and the internal structure thereof;
fig. 10 is a schematic structural view of the universal joint cross type coupling of the present invention.
In the figure: 1. a base; 2. a turntable; 3. a mounting frame; 4. moving the supporting plate; 5. a first connecting rod; 6. a second connecting rod; 7. a cross-axle type universal coupling; 71. a spline housing; 72. a spline shaft; 73. welding the fork head; 74. a flange yoke; 75. a cross shaft; 8. a moving cylinder; 9. a fixing mechanism; 10. a supporting seat; 11. a support pillar; 12. mounting the cylinder; 13. a rotating electric machine; 14. a circular plate; 15. a clamping block; 16. fixing the rod; 17. a pulley; 18. a clamping motor; 19. rotating the plate; 20. rotating the motor; 21. a bracket; 22. a rotating seat; 23. a three-jaw chuck; 24. a rotating shaft; 25. turning over a motor; 26. a connecting shaft; 27. an angle adjustment motor; 28. a movable frame; 29. a translation cylinder; 30. a fixed seat; 31. a partition plate; 32. a lifting plate; 33. a lead screw; 34. a guide bar; 35. a motor plate; 36. a lifting motor.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 10, the auxiliary device for assembling the cross-axle type universal coupling comprises a base 1, wherein a turntable 2 is rotatably mounted at the top of the base 1, a rotating motor 20 is fixedly mounted at the inner side of the base 1, an output shaft of the rotating motor 20 is fixedly connected with the turntable 2, a docking mechanism is fixedly mounted at the top of the turntable 2, two fixing mechanisms 9 for fixing the cross-axle type universal coupling 7 are mounted on the docking mechanism, and the two fixing mechanisms 9 are symmetrically distributed;
the fixing mechanism 9 comprises a supporting seat 10, a supporting column 11 is fixedly mounted at the top of the supporting seat 10, an installation cylinder 12 is rotatably mounted on the supporting column 11, the installation cylinder 12 penetrates through the supporting column 11, a circular plate 14 is arranged on one side of the supporting column 11, one end of the installation cylinder 12 is fixedly connected with the circular plate 14, an installation hole is formed in the middle of the circular plate 14 and communicated with the installation cylinder 12, a rotating motor 13 is fixedly mounted on the supporting seat 10, an output shaft of the rotating motor 13 is connected with the installation cylinder 12 through a belt pulley and a belt, a rotating plate 19 is arranged on one side of the circular plate 14, the rotating plate 19 is rotatably connected with the installation cylinder 12, three curved holes are formed in the rotating plate 19, three clamping blocks 15 are arranged on the other side of the circular plate 14, the three clamping blocks 15 are distributed in an annular shape with equal radian, and a fixing rod 16 is fixedly mounted on one side of each of the three clamping blocks 15, three through grooves are annularly formed in the circular plate 14 at equal radian, the fixing rod 16 is slidably mounted in the through grooves, one end of the fixing rod 16 penetrates through the through grooves and is rotatably provided with a pulley 17, the pulley 17 is slidably mounted in a corresponding curved hole, the other side of the circular plate 14 is fixedly provided with a clamping motor 18, and an output shaft of the clamping motor 18 is connected with a rotating plate 19 through a belt pulley and a belt;
one side of base 1 is provided with fixing base 30, the top movable mounting of fixing base 30 has bracket 21, the top slidable mounting of bracket 21 has removal frame 28, the inboard of bracket 21 is rotated and is installed and rotate seat 22, the top of removing frame 28 is rotated and is installed pivot 24, pivot 24 and the fixed connection in rotation seat 22 top, fixed mounting has upset motor 25 on the removal frame 28, the output shaft tip of upset motor 25 and the one end fixed connection of pivot 24, it installs connecting axle 26 to rotate on the seat 22, the top fixedly connected with three-jaw chuck 23 of connecting axle 26, the inboard fixed mounting who rotates seat 22 has angle accommodate motor 27, angle accommodate motor 27's output shaft passes through belt pulley, the belt is connected with connecting axle 26.
The inboard fixed mounting of fixing base 30 has baffle 31, there is lifter plate 32 baffle 31's top along vertical direction movable mounting, lifter plate 32 and bracket 21 fixed connection, vertically on the baffle 31 be provided with lead screw 33 and two guide bars 34, lead screw 33 and baffle 31 threaded connection, guide bar 34 and baffle 31 sliding connection, the bottom and the motor board 35 fixed connection of lead screw 33 and two guide bars 34, fixed mounting has elevator motor 36 on the motor board 35, elevator motor 36 passes through belt pulley, belt and is connected with lead screw 33.
A translation cylinder 29 is fixedly mounted on one side of the bracket 21, and the end part of an output rod of the translation cylinder 29 is fixedly connected with the moving frame 28.
One side of the clamping block 15 is fixedly provided with a second sliding block, the other side of the circular plate 14 is annularly and fixedly provided with a second three sliding rails in an equal radian, and the clamping block 15 is connected with the circular plate 14 in a sliding manner through the second sliding block and the second sliding rail.
The three curved holes are distributed on the rotating plate 19 in an equal-radian annular shape.
Docking mechanism includes mounting bracket 3, the top movable mounting of mounting bracket 3 has two movable support plate 4, and two movable support plate 4 respectively with two fixed establishment 9 fixed connection, the upper surface middle part of mounting bracket 3 rotates and installs connecting rod one 5, the both ends of connecting rod one 5 all articulate there is connecting rod two 6, and the one end that connecting rod one 5 was kept away from to two connecting rod two 6 is articulated with two movable support plate 4 respectively, the last fixed surface of mounting bracket 3 installs traveling cylinder 8, traveling cylinder 8's output pole tip and one of them movable support plate 4 fixed connection, the bottom fixed mounting of movable support plate 4 has two slider one, the equal fixed mounting in upper surface both ends of mounting bracket 3 has two slide rails two, movable support plate 4 passes through slider one, slide rail two and mounting bracket 3 sliding connection.
The universal joint pin type universal coupling 7 comprises a spline sleeve 71, a spline shaft 72 is movably mounted on the inner side of the spline sleeve 71, welding forks 73 are fixedly mounted at one ends of the spline sleeve 71 and the spline shaft 72, a cross shaft 75 is rotatably mounted on the welding forks 73, and the welding forks 73 are connected with flange forks 74 through the cross shaft 75.
The working method of the auxiliary device specifically comprises the following steps:
step one, inserting a spline sleeve 71 provided with a welding fork 73 into an installation cylinder 12 of one of the fixing mechanisms 9 and penetrating through an installation hole of a circular plate 14, inserting a spline shaft 72 into an installation cylinder 12 of the other fixing mechanism 9, starting a clamping motor 18, driving a rotating plate 19 to rotate by the clamping motor 18, driving a fixed rod 16 to move along a through groove by the rotating plate 19 and driving a clamping block 15 to move, clamping and fixing the spline sleeve 71 and the spline shaft 72 through the corresponding three clamping blocks 15 respectively, starting a rotating motor 13, driving the installation cylinder 12 to rotate by the rotating motor 13 and driving the spline sleeve 71 and the spline shaft 72 to rotate, adjusting the angles of the welding fork 73 on the spline sleeve 71 and the spline shaft 72 according to needs, starting a movable cylinder 8, driving two movable supporting plates 4 to move oppositely by the movable cylinder 8 matching with a connecting rod one 5 and a connecting rod two 6, and driving the spline sleeves 71 and the spline shaft 72 to approach each other, butting the spline sleeve 71 and the spline shaft 72;
step two, the flange fork 74 is placed on the three-jaw chuck 23, the flange fork 74 is clamped by the three-jaw chuck 23, the lifting motor 36 is started, the lifting motor 36 drives the lifting plate 32 to ascend and drives the bracket 21 to ascend, the overturning motor 25 is started, the overturning motor 25 drives the rotating shaft 24 to rotate and drives the rotating base 22 to rotate, so that the three-jaw chuck 23 and the flange fork 74 rotate by ninety degrees, the angle adjusting motor 27 is started, the angle adjusting motor 27 drives the connecting shaft 26 to rotate and drives the flange fork 74 to rotate, the angle of the flange fork 74 is adjusted, the translation cylinder 29 is started, the translation cylinder 29 drives the moving frame 28 to move and drives the flange fork 74 to move, the flange fork 74 is installed on the welding fork 73 of the spline housing 71 through the cross shaft 75, the rotation motor 20 is started, the rotation motor 20 drives the turntable 2 to rotate by one hundred eighty degrees and drives the two fixing mechanisms 9 to rotate, the spline shaft 72 is brought close to the bracket 21 and the above steps are repeated, and another welding jaw 73 is attached to the welding jaw 73 of the spline shaft 72 via the cross 75.
The spline sleeve 71 provided with the welding fork 73 is inserted into the installation cylinder 12 of one of the fixing mechanisms 9 and penetrates through the installation hole of the circular plate 14, the spline shaft 72 is inserted into the installation cylinder 12 of the other fixing mechanism 9, the clamping motor 18 is started, the clamping motor 18 drives the rotating plate 19 to rotate, the rotating plate 19 drives the fixing rod 16 to move along the through groove and drives the clamping blocks 15 to move, and the spline sleeve 71 and the spline shaft 72 are clamped and fixed through the corresponding three clamping blocks 15 respectively;
according to the invention, by starting the rotating motor 13, the rotating motor 13 drives the mounting cylinder 12 to rotate, and drives the spline sleeve 71 and the spline shaft 72 to rotate, the angles of the welding fork heads 73 on the spline sleeve 71 and the spline shaft 72 are adjusted as required, the angle adjusting motor 27 is started, the angle adjusting motor 27 drives the connecting shaft 26 to rotate, and drives the flange fork heads 74 to rotate, and the angle of the flange fork heads 74 is adjusted, so that the angle of the welding fork heads 73 and the angle of the flange fork heads 74 can be respectively adjusted, different types of couplings can be mounted, and meanwhile, the mounting accuracy is ensured;
the invention drives two movable supporting plates 4 to move oppositely by starting a movable cylinder 8, the movable cylinder 8 is matched with a connecting rod I5 and a connecting rod II 6 to drive a spline sleeve 71 and a spline shaft 72 to approach each other and butt the spline sleeve 71 and the spline shaft 72, a flange fork 74 is placed on a three-jaw chuck 23, the flange fork 74 is clamped by the three-jaw chuck 23, a lifting motor 36 is started, the lifting motor 36 drives a lifting plate 32 to ascend and drives a bracket 21 to ascend, a turnover motor 25 is started, the turnover motor 25 drives a rotating shaft 24 to rotate and drives a rotating seat 22 to rotate, so that the three-jaw chuck 23 and the flange fork 74 rotate ninety degrees, a translation cylinder 29 is started, the translation cylinder 29 drives a movable frame 28 to move and drives the flange fork 74 to move, the flange fork 74 is installed on a welding fork 73 of the spline sleeve 71 through a cross shaft 75, and the rotating motor 20 is started, the rotating motor 20 drives the turntable 2 to rotate one hundred eighty degrees and drives the two fixing mechanisms 9 to rotate, so that the spline shaft 72 is close to the bracket 21, the other welding fork 73 is arranged on the welding fork 73 of the spline shaft 72 through the cross shaft 75, the coupler is assembled through the auxiliary device, the assembling speed is high, and the working efficiency is high.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. Auxiliary device is used in assembly of cross shaft type universal coupling, which is characterized by comprising a base (1), wherein the top of the base (1) is rotatably provided with a turntable (2), the inner side of the base (1) is fixedly provided with a rotating motor (20), the output shaft of the rotating motor (20) is fixedly connected with the turntable (2), the top of the turntable (2) is fixedly provided with a butt joint mechanism, the butt joint mechanism is provided with two fixing mechanisms (9) for fixing the cross shaft type universal coupling (7), and the two fixing mechanisms (9) are symmetrically distributed;
the fixing mechanism (9) comprises a supporting seat (10), a supporting column (11) is fixedly mounted at the top of the supporting seat (10), an installation barrel (12) is installed on the supporting column (11) in a rotating mode, the installation barrel (12) penetrates through the supporting column (11), a circular plate (14) is arranged on one side of the supporting column (11), one end of the installation barrel (12) is fixedly connected with the circular plate (14), a mounting hole is formed in the middle of the circular plate (14), the mounting hole is communicated with the installation barrel (12), a rotating motor (13) is fixedly mounted on the supporting seat (10), an output shaft of the rotating motor (13) is connected with the installation barrel (12) through a belt pulley and a belt, a rotating plate (19) is arranged on one side of the circular plate (14), the rotating plate (19) is rotatably connected with the installation barrel (12), and three curved holes are formed in the rotating plate (19), the clamping mechanism is characterized in that three clamping blocks (15) are arranged on the other side of the circular plate (14), the three clamping blocks (15) are distributed annularly at equal radian, fixing rods (16) are fixedly mounted on one sides of the three clamping blocks (15), three through grooves are annularly formed at equal radian on the circular plate (14), the fixing rods (16) are slidably mounted in the through grooves, one ends of the fixing rods (16) penetrate through the through grooves and are rotatably provided with pulleys (17), the pulleys (17) are slidably mounted in the corresponding curved holes, a clamping motor (18) is fixedly mounted on the other side of the circular plate (14), and an output shaft of the clamping motor (18) is connected with a rotating plate (19) through a belt pulley and a belt;
one side of base (1) is provided with fixing base (30), the top movable mounting of fixing base (30) has bracket (21), the top slidable mounting of bracket (21) has removal frame (28), the inboard of bracket (21) is rotated and is installed and rotate seat (22), the top of removing frame (28) is rotated and is installed pivot (24), pivot (24) and rotation seat (22) top fixed connection, it has upset motor (25) to remove to go up fixed mounting of frame (28), the output shaft tip of upset motor (25) and the one end fixed connection of pivot (24), it rotates on seat (22) and installs connecting axle (26), the top fixedly connected with three-jaw chuck (23) of connecting axle (26), the inboard fixed mounting who rotates seat (22) has angle accommodate motor (27), the output shaft of angle accommodate motor (27) passes through the belt pulley, The belt is connected with the connecting shaft (26).
2. The auxiliary device for assembling the cross-axle type universal coupling according to claim 1, wherein a partition plate (31) is fixedly mounted on the inner side of the fixing seat (30), a lifting plate (32) is movably mounted above the partition plate (31) along the vertical direction, the lifting plate (32) is fixedly connected with the bracket (21), a lead screw (33) and two guide rods (34) are vertically arranged on the partition plate (31), the lead screw (33) is in threaded connection with the partition plate (31), the guide rods (34) are in sliding connection with the partition plate (31), the bottom ends of the lead screw (33) and the two guide rods (34) are fixedly connected with a motor plate (35), a lifting motor (36) is fixedly mounted on the motor plate (35), and the lifting motor (36) is connected with the lead screw (33) through a belt pulley and a belt.
3. Auxiliary device for assembling a cross-axle universal joint according to claim 1, characterized in that a translation cylinder (29) is fixedly mounted on one side of the bracket (21), and the end of the output rod of the translation cylinder (29) is fixedly connected with the movable frame (28).
4. The auxiliary device for assembling the cross-shaft type universal coupling according to claim 1, wherein a second sliding block is fixedly installed on one side of the clamping block (15), a second three sliding rails are annularly fixed on the other side of the circular plate (14) in an equal radian, and the clamping block (15) is slidably connected with the circular plate (14) through the second sliding block and the second sliding rail.
5. Auxiliary device for assembly of a cross-pin universal joint according to claim 1, characterised in that the three curved holes are distributed annularly with equal curvature on the rotating plate (19).
6. The auxiliary device for assembling the cross axle type universal coupling according to claim 1, wherein the docking mechanism comprises a mounting frame (3), two movable supporting plates (4) are movably mounted at the top of the mounting frame (3), the two movable supporting plates (4) are respectively fixedly connected with two fixing mechanisms (9), a first connecting rod (5) is rotatably mounted at the middle part of the upper surface of the mounting frame (3), two ends of the first connecting rod (5) are respectively hinged with a second connecting rod (6), one ends of the second connecting rods (6) far away from the first connecting rod (5) are respectively hinged with the two movable supporting plates (4), a movable cylinder (8) is fixedly mounted on the upper surface of the mounting frame (3), the end part of an output rod of the movable cylinder (8) is fixedly connected with one of the movable supporting plates (4), and two first sliding blocks are fixedly mounted at the bottom of the movable supporting plates (4), two sliding rails II are fixedly mounted at two ends of the upper surface of the mounting rack (3), and the movable supporting plate (4) is connected with the mounting rack (3) in a sliding mode through the sliding blocks I and the sliding rails II.
7. The auxiliary device for assembling the cross-shaft type universal coupling according to claim 1, wherein the cross-shaft type universal coupling (7) comprises a spline housing (71), a spline shaft (72) is movably mounted on the inner side of the spline housing (71), a welding fork (73) is fixedly mounted at one end of the spline housing (71) and one end of the spline shaft (72), a cross shaft (75) is rotatably mounted on the welding fork (73), and the welding fork (73) is connected with a flange fork (74) through the cross shaft (75).
8. The auxiliary device for assembling a cross-shaft type universal joint according to claim 1, wherein the method of operating the auxiliary device comprises the steps of:
step one, inserting a spline sleeve (71) provided with a welding fork head (73) into an installation barrel (12) of one fixing mechanism (9) and penetrating through an installation hole of a circular plate (14), inserting a spline shaft (72) into an installation barrel (12) of the other fixing mechanism (9), starting a clamping motor (18), driving a rotating plate (19) to rotate by the clamping motor (18), driving a fixing rod (16) to move along a through groove by the rotating plate (19) and driving a clamping block (15) to move, clamping and fixing the spline sleeve (71) and the spline shaft (72) through three corresponding clamping blocks (15) respectively, starting a rotating motor (13), driving the installation barrel (12) to rotate by the rotating motor (13), driving the spline sleeve (71) and the spline shaft (72) to rotate, adjusting the angles of the welding fork heads (73) on the spline sleeve (71) and the spline shaft (72) as required, starting a spline shaft moving cylinder (8), the movable air cylinder (8) is matched with the first connecting rod (5) and the second connecting rod (6) to drive the two movable supporting plates (4) to move oppositely and drive the spline sleeve (71) and the spline shaft (72) to approach each other, and the spline sleeve (71) and the spline shaft (72) are butted;
step two, placing the flange fork head (74) on a three-jaw chuck (23), clamping the flange fork head (74) through the three-jaw chuck (23), starting a lifting motor (36), driving a lifting plate (32) to ascend by the lifting motor (36), driving a bracket (21) to ascend, starting a turnover motor (25), driving a rotating shaft (24) to rotate by the turnover motor (25), driving a rotating seat (22) to rotate, enabling the three-jaw chuck (23) and the flange fork head (74) to rotate ninety degrees, starting an angle adjusting motor (27), driving a connecting shaft (26) to rotate by the angle adjusting motor (27), driving the flange fork head (74) to rotate, adjusting the angle of the flange fork head (74), starting a translation cylinder (29), driving a moving frame (28) to move by the translation cylinder (29), driving the flange fork head (74) to move, and installing the flange fork head (74) on a fork head (73) of a spline sleeve (71) through a cross shaft (75), and starting the rotating motor (20), driving the turntable (2) to rotate one hundred eighty degrees by the rotating motor (20), driving the two fixing mechanisms (9) to rotate, enabling the spline shaft (72) to be close to the bracket (21), repeating the steps, and mounting the other welding fork (73) on the welding fork (73) of the spline shaft (72) through the cross shaft (75).
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