Axle part positioning and rotating device and rotating method

Abstract

The invention discloses an axle part positioning and rotating device and a rotating method, and relates to the technical field of automobile assembly, and the axle part positioning and rotating device comprises a driving positioning, rotating and pressing mechanism, a driven rotating and pressing mechanism, a tray positioning and jacking mechanism and an axle supporting tray. The driving positioning rotary pressing mechanism and the driven rotary pressing mechanism are installed at the two ends of the basic installation table, the tray positioning and jacking mechanism is installed below the basic installation table, and the bridge supporting tray is conveyed and stopped above the tray positioning and jacking mechanism. And the tray positioning and jacking mechanism and the bridge supporting tray are mounted between the driving rotating, positioning and pressing mechanism and the driven rotating and pressing mechanism. The rotating method of the whole rotating device is divided into nine steps to complete an automatic overturning procedure. The problems that in the existing automobile axle part assembling process, the operation process is tedious, manual operation coordination is not good, and an assembling body of an axle housing and a main speed reducer can rapidly rotate due to the fact that the assembling body is in a non-equilibrium state, and other potential safety hazards exist or the rotating angle is not accurate can be solved.

Description

Technical Field

[0001] The invention relates to the technical field of automobile axle part assembly, in particular to a device for positioning and rotating axle parts. Background Art

[0002] During the assembly of automobile axle parts, after the axle housing is assembled with the main reducer, the axle assembly components need to be rotated to change the angle to facilitate the installation of parts at other angles of the axle. The existing rotation method is to use two cranes in the air, one to hang the two ends of the axle housing with ropes, and the other to hang the main reducer. At the same time, the two cranes are operated to lift the axle housing and the main reducer to rotate the semi-finished components of the axle assembly. This operation process is relatively cumbersome, and manual operation requires good coordination and linkage synchronization. If the operator does not control the relative lifting height of the crane, the assembly of the axle housing and the main reducer will be in an unbalanced state and will rotate rapidly, which may cause safety hazards or inaccurate rotation angles. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide an axle part positioning and rotating device and a rotation method, which can solve the problems of cumbersome operation process of rotating the axle assembly component after the axle housing is assembled with the main reducer in the existing automobile axle parts assembly process, and the safety hazards or inaccurate rotation angles caused by the assembly of the axle housing and the main reducer being in an unbalanced state when the manual operation is not well coordinated.

[0004] In order to solve the above problems, the technical solution of the present invention is: the axle parts positioning and rotating device and the rotation method include an active positioning and rotating clamping mechanism, a driven rotating clamping mechanism, a pallet positioning and lifting mechanism and a bridge support pallet. The active positioning and rotating clamping mechanism and the driven rotating clamping mechanism are relatively installed at both ends of the base mounting platform; the pallet positioning and lifting mechanism is installed below the base mounting platform, and the bridge support pallet is transported and stopped above the pallet positioning and lifting mechanism; the pallet positioning and lifting mechanism and the bridge support pallet are installed between the active rotating and positioning clamping mechanism and the driven rotating clamping mechanism.

[0005] The active positioning rotary clamping mechanism includes a mounting base, a servo transmission moving component, a guide rail slider, a rotary mounting seat, a slewing bearing, a guide shaft cylinder, an extending sleeve, a positioning mounting plate, a positioning block, a positioning pin, a telescopic cylinder, a bearing mounting seat, a rotating shaft, a bearing, a shaft tube top pressure head, a guide key, a driving gear and a servo drive motor.

[0006] The swivel mounting seat is mounted on the mounting base through a guide rail slider, and the transmission moving assembly is mounted on the middle part of the mounting base table below the swivel mounting seat; the swivel bearing is mounted on the upper part of the swivel mounting seat, the guide shaft cylinder is connected to the swivel bearing, the inner hole of the extended sleeve is connected to the outer circle of the guide shaft cylinder, and one end is mounted on the positioning mounting plate through a bolt, the inner hole of the extended sleeve is guided and positioned by a guide key, and the guide shaft cylinder is mounted on the telescopic cylinder; the telescopic cylinder, the front end of the cylinder piston rod is connected to the positioning mounting plate; an extended hole is opened in the middle of the positioning mounting plate, and a positioning block and a positioning pin are arranged around the extended hole; the rotating shaft is arranged in the guide shaft cylinder and the extended sleeve cylinder, and the rotating shaft is installed in the bearing on the bearing mounting seat; the top pressure head of the shaft tube is installed at the front end of the rotating shaft; the transmission moving assembly includes a transmission motor and a transmission screw connected to the transmission motor, the nut on the transmission screw is movably connected to the bottom of the swivel mounting seat, and the transmission screw drives the swivel mounting seat to move along the guide rail slider.

[0007] The servo drive motor is installed on the upper part of the rotating mounting seat, the drive gear is installed on the front end of the transmission shaft of the servo drive motor, and the drive gear is meshed with the external teeth of the slewing bearing.

[0008] In the above technical solution, a more specific solution is: the driven rotary clamping mechanism includes a mounting base, a cylinder mounting seat, a telescopic cylinder, a movable mounting seat and a shaft tube top pressure head.

[0009] The cylinder seat of the telescopic cylinder is installed on the cylinder mounting seat, the front end of the piston rod of the telescopic cylinder is connected to one end of the movable mounting seat, and the top pressure head of the shaft tube is installed on the other end of the movable mounting seat; the movable mounting seat is installed on the mounting base through a guide rail, and the telescopic cylinder drives the movable mounting seat to move along the guide rail.

[0010] Further: the pallet positioning and lifting mechanism comprises a mounting base plate, a guide sleeve shaft assembly, a servo lifter, a lifting plate, a support block and a positioning pin; The servo lifter is installed in the middle part between the mounting base plate and the lifting plate; the guide sleeve shaft group is installed at the four corners between the mounting base plate and the lifting plate, and the support blocks and positioning pins for supporting or positioning the bridge support tray are installed at the four corners of the top end of the lifting plate; the servo lifter drives the lifting and lowering of the lifting plate to drive the lifting and lowering of the bridge support tray.

[0011] Furthermore: the bridge support pallet includes a pallet bottom plate, a distance-adjustable channel steel, a left support plate and a right support plate.

[0012] The tray bottom plate has tray positioning pin holes on both sides that match the positioning pins; two adjusting distance channel steels are installed side by side in the center of the tray bottom plate, and the left support plate and the right support plate are installed on the adjusting distance channel steels at relative intervals; the top ends of the left support plate and the right support plate are provided with positioning grooves that match the shapes of the supported bridge housing parts.

[0013] A rotation method of an axle part positioning and rotating device is: (1) The axle housing is placed on the axle support tray. The servo lifter of the tray positioning and lifting mechanism lifts the lifting plate. The positioning pins match the positioning pin holes of the tray. The lifting plate support block supports the bottom surface of the tray. The servo lifter lifts the axle tray and the axle housing and final reducer assembly to the required height position. (2) Active positioning rotation and pressing of the rotating mechanism. The servo motor drives the ball screw pair, and the guide rail slider moves the rotating mounting seat. The top pressure head of the shaft tube presses the shaft tube on one side of the bridge housing. (3) The driven pressing and rotating pressing mechanism is extended through the cylinder to push the movable mounting seat, and the top pressure head of the shaft tube installed on the side of the mounting seat presses against the shaft tube on the other side of the axle housing; (4) The pallet positioning and lifting mechanism drives the top plate and the bridge support pallet to descend a certain distance, leaving space for the axle housing and the main reducer assembly to rotate; (5) Active positioning and rotating clamping mechanism: The cylinder pushes out the sleeve, and the positioning pin and positioning block are positioned and clamped into the flat position and pin hole of the flange of the bridge housing. The servo motor drives the gear and drives the external gear type rotating support to rotate the axle assembly to the required angle; (6) Assemble the corresponding parts of the subsequent process on the rotated angle axle assembly; (7) After the parts are installed, rotate them back to the original angle or 180 degrees; (8) The pallet positioning jacking mechanism and the bridge support pallet rise to support the main bridge assembly, and the master and slave rotating pressure heads retreat to loosen the axle housing shaft tube; (9) The pallet positioning lifting mechanism and bridge support pallet support the main axle assembly and then descends to the conveyor line, and the action is completed.

[0014] Due to the adoption of the above technical solution, the present invention has the following beneficial effects compared with the prior art: 1) The present invention does not use an aerial hoisting method to rotate the assembly components of the axle housing and the main reducer, but is installed at the assembly site. The mechanical structure is reliable, the rotation positioning angle is accurately controllable, the production efficiency is high, the safety is high, and the operation is simple and convenient.

[0015] 2) The present invention can be installed in the axle assembly line for supporting automation, thereby improving the automation capability, while strengthening the enterprise's technological upgrading, accelerating the enterprise's own development prospects, and improving the industry's competitiveness.

[0016] 3) The operation of the present invention can reduce manpower and reduce production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the active positioning, pressing and rotating mechanism of the present invention; Figure 3 This is a schematic diagram of the internal structure of the active positioning and pressing rotating mechanism; Figure 4 is a schematic diagram of the driven pressing rotating mechanism of the present invention; Figure 5 is a schematic diagram of a pallet positioning and lifting mechanism of the present invention; Figure 6 Schematic diagram of the bridge support tray of the present invention.

[0018] The numbers in the figure represent: 10- Active positioning rotary clamping mechanism: 11. Mounting base, 12. Servo drive moving assembly, 121. Guide rail slider, 13. Rotating mounting seat, 14. Slewing bearing, 15. Guide shaft cylinder, 16. Extending sleeve, 17. Positioning mounting plate, 18. Positioning block, 19. Positioning pin, 191. Telescopic cylinder, 151. Bearing mounting seat, 152. Rotating shaft, 153. Bearing, 154. Top pressure head of shaft tube, 155. Guide key, 156. Driving gear, 157. Servo drive motor.

[0019] 20-Driven rotary clamping mechanism: 21. Mounting base, 22. Cylinder mounting seat, 23. Telescopic cylinder, 24. Mobile mounting seat, 25. Axle tube top pressure head.

[0020] 30-Pallet positioning and lifting mechanism: 31. Install the base plate, 32. Guide sleeve shaft assembly, 33. Servo lifter, 34. Lifting plate, 35. Support block, 36. Positioning pin.

[0021] 40-Bridge Support Tray: 41. Pallet bottom plate, 42. Adjustable distance channel steel, 43. Left support plate, 44. Pallet locating pin hole, 45. Right support plate.

[0022] 50-Basic mounting table. DETAILED DESCRIPTION

[0023] The present invention is further described below in conjunction with the accompanying drawings and embodiments: Figure 1The axle parts positioning and rotating device and the rotating method include an active positioning and rotating clamping mechanism 10, a driven rotating and clamping mechanism 20, a pallet positioning and lifting mechanism 30 and a bridge supporting pallet 40. The active positioning and rotating clamping mechanism 10 and the driven rotating and clamping mechanism 20 are relatively installed at two ends of a base mounting platform 50; the pallet positioning and lifting mechanism 30 is installed below the base mounting platform 50, and the bridge supporting pallet 40 is transported and stopped above the pallet positioning and lifting mechanism 30; the pallet positioning and lifting mechanism 30 and the bridge supporting pallet 40 are installed between the active rotating and positioning and clamping mechanism 10 and the driven rotating and clamping mechanism 20.

[0024] like Figure 2 and Figure 3 As shown, the active positioning rotary clamping mechanism 10 includes a mounting base 11, a servo drive moving assembly 12, a guide rail slider 121, a rotary mounting seat 13, a slewing bearing 14, a guide shaft cylinder 15, an extending sleeve 16, a positioning mounting plate 17, a positioning block 18, a positioning pin 19, a telescopic cylinder 191, a bearing mounting seat 151, a rotating shaft 152, a bearing 153, a shaft tube top pressure head 154, a guide key 155, a drive gear 156 and a servo drive motor 157.

[0025] The rotating mounting seat 13 is installed on the mounting base 11 through the guide rail slider 121, and the transmission moving assembly 12 is installed in the middle of the mounting base 11 table below the rotating mounting seat 13; the transmission moving assembly 12 includes a transmission motor and a transmission screw connected to the transmission motor, and a transmission nut is installed on the transmission screw; the transmission nut is movably connected to the bottom of the rotating mounting seat 13, and the transmission screw drives the rotating mounting seat 13 to move along the guide rail slider 121.

[0026] The inner hole of the extension sleeve 16 is connected to the outer circle of the guide shaft tube 15, and one end is installed on the positioning mounting plate 17 by bolts. The inner hole of the extension sleeve 16 is guided and positioned by the guide key 155. Telescopic cylinders 191 are installed on both sides of the guide shaft tube 15; the cylinder rod end of the telescopic cylinder 19 is connected to the positioning mounting plate 17; a protruding hole is opened in the middle of the positioning mounting plate 17, and a positioning block 18 and a positioning pin 19 are arranged around the protruding hole. A rotating shaft 152 is arranged in the guide shaft tube 15 and the extension sleeve 16, and the rotating shaft 152 is installed in the bearing 153 on the bearing mounting seat 151; the front end of the rotating shaft 152 is installed with a shaft tube top pressure head 154.

[0027] A servo drive motor 157 is installed on the upper part of the rotating mounting seat 13 . A drive gear 156 is installed on the front end of the transmission shaft of the servo drive motor 157 . The drive gear 156 is meshed with the external teeth of the slewing bearing 14 .

[0028] like Figure 4 As shown, the driven rotary clamping mechanism 20 includes a mounting base 21 , a cylinder mounting base 22 , a telescopic cylinder 23 , a movable mounting base 24 and a shaft tube top pressing head 25 .

[0029] The cylinder seat of the telescopic cylinder 23 is installed on the cylinder mounting seat 22, the front end of the piston rod of the telescopic cylinder 23 is connected to one end of the mobile mounting seat 24, the top pressure head 25 of the shaft tube is installed at the other end of the mobile mounting seat 24, and the mobile mounting seat 24 is installed on the mounting base 21 through a guide rail. The telescopic cylinder 23 drives the mobile mounting seat 24 to move along the guide rail.

[0030] like Figure 5 As shown, the pallet positioning and lifting mechanism 30 includes a mounting base plate 31 , a guide sleeve shaft assembly 32 , a servo lifter 33 , a lifting plate 34 , a support block 35 and a positioning pin 36 .

[0031] The servo lifter 33 is installed in the middle between the mounting base plate 31 and the lifting plate 34; the guide sleeve shaft group 32 is installed at the four corners between the mounting base plate 31 and the lifting plate 34, and the support blocks 35 and positioning pins 36 for positioning the bridge support tray 40 are installed at the four corners of the top end of the lifting plate 34; the servo lifter 33 drives the lifting of the lifting plate 34 to drive the lifting of the bridge support tray 40.

[0032] like Figure 6 As shown, the bridge support pallet 40 includes a pallet bottom plate 41, a distance-adjusting channel steel 42, a left support plate 43 and a right support plate 45.

[0033] The tray bottom plate 41 has tray positioning pin holes 44 on both sides thereof, which match the positioning pins 36. Two adjustable distance channel steels 42 are installed side by side in the center of the tray bottom plate 41, and the left support plate 43 and the right support plate 45 are installed on the adjustable distance channel steels 42 at a relatively spaced interval. The top ends of the left support plate 43 and the right support plate 45 are provided with positioning grooves matching the shapes of the supported axle housing parts.

[0034] In the description of the present invention, it should be noted that the terms "center", "middle", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.

[0035] The present invention is applied in an assembly production line, and the automated flipping process does not require human involvement, thus saving labor costs; the whole process is automated in positioning, clamping and rotation, and the operation is simple and safe.

[0036] The turning method of the axle housing and the main reducer assembly during the entire working process is: 1. The axle housing is placed on the axle support tray. The servo lifter of the tray positioning and lifting mechanism lifts the lifting plate. The positioning pins match the positioning pin holes of the tray. The lifting plate support block supports the bottom of the tray. The servo lifter lifts the axle tray and the axle housing parts to the required height.

[0037] 2. Actively position the rotary clamping mechanism, the servo motor drives the ball screw pair, the guide rail slider moves the rotary mounting seat, and the top pressure head of the shaft tube presses the shaft tube on one side of the bridge housing.

[0038] 3. The driven pressing rotating mechanism is extended through the cylinder to push the movable mounting seat, and the top pressure head of the shaft tube installed on the side of the mounting seat presses the shaft tube on the other side of the bridge housing.

[0039] 4. The pallet positioning and lifting mechanism drives the top plate and the bridge support pallet to drop a certain distance, leaving space for the rotation of the axle shell main reduction assembly.

[0040] 5. Active positioning and rotating clamping mechanism, the cylinder pushes out the sleeve, the positioning pin and the positioning block are positioned and clamped into the flat position and pin hole of the flange of the bridge housing, the servo motor drives the gear and drives the external gear type rotating support to rotate the axle assembly to the required angle.

[0041] 6. Assemble the corresponding parts of the subsequent process on the rotated angle axle assembly.

[0042] 7. After the parts are installed, rotate them back to the original angle or 180 degrees.

[0043] 8. The pallet positioning jacking mechanism and the bridge support pallet rise to support the bridge assembly, and the master and slave rotating pressure heads retreat to loosen the bridge housing shaft tube.

[0044] 9. The pallet positioning lifting mechanism and bridge support pallet support the main axle assembly and then descends to the conveyor line, and the action is completed.

Claims

1. A vehicle axle parts positioning and rotating device, characterized in that: It comprises an active rotary positioning clamping mechanism (10), a driven rotary clamping mechanism (20), a pallet positioning lifting mechanism (30) and a bridge support pallet (40); the active rotary positioning clamping mechanism (10) and the driven rotary clamping mechanism (20) are relatively mounted at two ends of a base mounting platform (50); the pallet positioning lifting mechanism (30) is mounted below the base mounting platform (50), and the bridge support pallet (40) is transported and stopped above the pallet positioning lifting mechanism (30); the pallet positioning lifting mechanism (30) and the bridge support pallet (40) are mounted between the active rotary positioning clamping mechanism (10) and the driven rotary clamping mechanism (20); The active positioning rotary clamping mechanism (10) comprises a mounting base (11), a servo drive moving assembly (12), a rotary mounting seat (13), a slewing bearing (14), a guide shaft cylinder (15), an extended sleeve (16), a positioning mounting plate (17), a telescopic cylinder (191), a bearing mounting seat (151), a rotating shaft (152), a shaft tube top pressure head (154), a driving gear (156) and a servo drive motor (157); The rotating mounting seat (13) is mounted on the mounting base (11), and the transmission moving assembly (12) is mounted on the middle part of the table top of the mounting base (11); the slewing bearing (14) is mounted on the upper part of the rotating mounting seat (13); the guide shaft cylinder (15) is connected to the slewing bearing (14); the inner hole of the extending sleeve (16) is connected to the outer circle of the guide shaft cylinder (15); one end of the extending sleeve (16) is mounted with the positioning mounting plate (17) by bolts; the inner hole of the extending sleeve (16) is guided and positioned by a guide key (155); the telescopic cylinder (191) is mounted on the guide shaft cylinder (15); the cylinder rod end of the telescopic cylinder (191) is connected to the positioning mounting plate (17) ; A projection hole is provided in the middle of the positioning mounting plate (17), and a positioning block (18) and a positioning pin (19) are arranged around the projection hole; the rotating shaft (152) is arranged in the guide shaft tube (15) and the extending sleeve (16), and the rotating shaft (152) is installed in the bearing (153) on the bearing mounting seat (151); the shaft tube top pressure head (154) is installed at the front end of the rotating shaft (152); the transmission moving component (12) includes a transmission motor and a transmission screw connected to the transmission motor, the nut on the transmission screw is movably connected to the bottom of the rotating mounting seat (13), and the transmission screw drives the rotating mounting seat (13) to move along the guide rail slider (121); The servo drive motor (157) is mounted on the upper portion of the rotary mounting seat (13), the drive gear (156) is mounted on the front end of the transmission shaft of the servo drive motor (157), and the drive gear (156) is meshed with the external teeth of the slewing bearing (14).

2. The axle parts positioning and rotating device according to claim 1, characterized in that: The driven rotary clamping mechanism (20) comprises a mounting base (21), a cylinder mounting seat (22), a telescopic cylinder (23), a movable mounting seat (24) and a shaft tube top pressure head (25); The cylinder seat of the telescopic cylinder (23) is mounted on the cylinder mounting seat (22), the front end of the piston rod of the telescopic cylinder (23) is connected to one end of the movable mounting seat (24), and the shaft tube top pressure head (25) is mounted on the other end of the movable mounting seat (24); the movable mounting seat (24) is mounted on the mounting base (21), and the telescopic cylinder (23) drives the movable mounting seat (24) to move along the guide rail.

3. The axle component positioning and rotating device according to claim 1 or 2, characterized in that: The pallet positioning and lifting mechanism (30) comprises a mounting base plate (31), a guide sleeve shaft assembly (32), a servo lifter (33), a lifting plate (34), a support block (35) and a positioning pin (36); The servo lifter (33) is installed in the middle between the mounting base plate (31) and the lifting plate (34); the guide sleeve shaft group (32) is installed at the four corners between the mounting base plate (31) and the lifting plate (34), and the support block (35) and the positioning pin (36) are installed at the four corners of the top end of the lifting plate (34).

4. The axle component positioning and rotating device according to claim 3, characterized in that: The bridge support tray (40) comprises a tray bottom plate (41), a distance-adjustable channel steel (42), a left support plate (43) and a right support plate (45); The tray bottom plate (41) is provided with tray positioning pin holes (44) on both sides; the distance-adjusting channel steel (42) is installed in the center of the tray bottom plate (41), and the left support plate (43) and the right support plate (45) are installed on the distance-adjusting channel steel (42); and the top ends of the left support plate (43) and the right support plate (45) are provided with positioning grooves.

5. A rotation method of the axle component positioning and rotating device according to any one of claims 1 to 4, characterized in that: The rotation method of the entire rotating device is: (1) The axle housing is placed on the axle support tray. The servo lifter of the tray positioning and lifting mechanism lifts the lifting plate. The positioning pins match the positioning pin holes of the tray. The lifting plate support block supports the bottom surface of the tray. The servo lifter lifts the axle tray and the axle housing parts to the required height position. (2) Active positioning rotation and pressing rotation mechanism, the servo motor drives the ball screw pair, the guide rail slider moves the rotating mounting seat, and the top pressure head of the shaft tube presses the shaft tube end on one side of the bridge housing; (3) The driven rotating clamping mechanism extends through the cylinder to push the mobile mounting seat, and the top pressure head of the shaft tube installed on the side of the mounting seat presses the shaft tube on the other side of the axle housing; (4) The pallet positioning and lifting mechanism drives the top plate and the bridge support pallet to descend a certain distance, leaving space for the assembly of the axle housing and the main reducer to rotate; (5) Active positioning and rotating clamping mechanism: The cylinder pushes out the sleeve, and the positioning pin and positioning block are positioned and clamped into the flat position and pin hole of the flange of the bridge housing. The servo motor drives the gear and drives the external gear type rotating support to rotate the axle assembly to the required angle; (6) Assemble the corresponding parts of the subsequent process on the rotated angle axle assembly; (7) After the parts are installed, rotate them back to the original angle or 180 degrees; (8) The pallet positioning jacking mechanism and the bridge support pallet rise to support the main bridge assembly, and the master and slave rotating pressure heads retreat to loosen the axle housing shaft tube; (9) The pallet positioning lifting mechanism and bridge support pallet support the main axle assembly and then descends to the conveyor line, and the action is completed.

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