Battery pack transferring device capable of realizing self-adaptive adjustment during meshing of gear and rack

Abstract

The utility model discloses a battery pack transferring device capable of realizing self-adaptive adjustment during meshing of a gear and a rack, and solves the problem of how to ensure normal operation of transverse movement driving when a driving gear and the rack are abraded under heavy load. A mounting seat plate of a gear driving motor meshed with a rack is hinged to a transversely-moving box-shaped frame, meshing of a gear and the rack is changed from rigidity to flexibility, a spring is arranged between the mounting seat plate of the gear driving motor and the box-shaped frame, and the mounting seat plate of the gear driving motor is pushed by the spring, so that the gear and the rack can be driven to rotate. The abraded gear can be tightly meshed with the abraded rack, so that the defect that the gear and the rack need to be replaced regularly after being abraded is overcome, and the replacement time of the driving gear and the rack of the transverse transfer device is prolonged.

Description

Technical Field

[0001] The present invention relates to a battery pack transfer device on an automobile general assembly production line, and particularly to a battery pack transfer device capable of realizing the self - adaptive adjustment function of gear - rack meshing. Background Art

[0002] With the continuous expansion of the production capacity of new energy vehicles, the models and specifications of battery packs for different vehicle models are also different. To meet the transfer requirements of battery packs of different models on the production line, each automobile manufacturer usually adopts the conveying method of using pallets to carry battery packs; the battery packs carried on the pallets are conveyed to the transverse movement position by longitudinal conveying roller beds. The transverse movement device grabs the battery packs and pallets on the roller beds and transversely moves them to the AGV carts on the side to achieve the transverse movement of the battery packs; in the transverse movement device, the driving method of gear - rack meshing is usually adopted. The rack is horizontally and transversely arranged on the crossbeam of the transverse movement device, and the transverse movement driving motor drives the gear to rotate. Through the meshing of the gear and the rack, the transverse movement frame with the battery pack suspended is driven to move transversely, so as to realize the transfer of the battery pack. However, due to the heavy weight of the battery pack, it is easy to produce shaking and off - loading phenomena during the transverse movement process, resulting in very serious wear of the meshing between the driving gear and the rack. It is necessary to regularly replace the gear and the rack to ensure the normal meshing transmission between the gear and the rack; if the replacement is not timely, due to the increase in the clearance at the meshing position of the gear and the rack, the gear and the rack will impact and collide, and even cause the phenomenon of broken teeth; therefore, how to solve the above problems has become a difficult problem to be solved on - site. Summary of the Invention

[0003] The present invention provides a battery pack transfer device capable of realizing self - adaptive adjustment during gear - rack meshing, and solves the technical problem of how to ensure the normal transverse movement drive under the condition that the driving gear and the rack are worn.

[0004] The present invention solves the above - mentioned technical problems through the following technical solutions:

[0005] The general idea of the present invention: The mounting seat plate of the gear driving motor meshing with the rack is hinged on the horizontally moving box - type frame, so that the meshing between the gear and the rack changes from rigid to flexible. A spring is arranged between the mounting seat plate of the gear driving motor and the box - type frame. Through the push of the spring on the mounting seat plate of the gear driving motor, the worn gear and the worn rack can be tightly meshed, thus overcoming the defect that the gear and the rack need to be regularly replaced after wear, and prolonging the replacement time of the driving gear and the rack of the transverse transfer device.

[0006] A battery pack transfer device capable of achieving adaptive adjustment during the meshing of a gear and a rack, comprising a gantry upright frame. At the top of the gantry upright frame, a front side crossbeam track and a rear side crossbeam track are respectively arranged in parallel. Between the front side crossbeam track and the rear side crossbeam track, a driving rack mounting crossbeam is arranged. Along the left-right horizontal direction on the driving rack mounting crossbeam, a driving rack is arranged. Below the front side crossbeam track and the rear side crossbeam track, a left-right moving box-shaped frame is suspended. On the rear vertical surface of the left-right moving box-shaped frame, a driving mechanism mounting vertical plate is fixedly arranged. On the driving mechanism mounting vertical plate, a hinge seat is arranged. A driving motor base plate is hinged to the hinge seat. A driving motor is suspended on the driving motor base plate. On the output shaft extending upward from the driving motor, a driving gear is connected. The driving gear meshes with the driving rack. On the driving motor base plate on one side of the driving motor, a kidney-shaped through hole is arranged. In the kidney-shaped through hole, a spring guide rod is arranged. The other end of the spring guide rod is arranged on the driving mechanism mounting vertical plate. A spring is threaded on the spring guide rod. The spring is arranged between the driving mechanism mounting vertical plate and the driving motor base plate.

[0007] On the top surface of the left-right moving box-shaped frame, a pair of rear side L-shaped hanger mounting seats and a pair of front side L-shaped hanger mounting seats are respectively arranged. A rear side L-shaped hanger is connected to the pair of rear side L-shaped hanger mounting seats. A front side L-shaped hanger is connected to the pair of front side L-shaped hanger mounting seats. The structure of the rear side L-shaped hanger is exactly the same as that of the front side L-shaped hanger. At the top of the rear side L-shaped hanger, a long strip-shaped top beam is arranged. At the left end of the long strip-shaped top beam, a left traveling wheel is arranged. At the right end of the long strip-shaped top beam, a right traveling wheel is arranged. On the lower bottom surface of the long strip-shaped top beam, two groups of guiding and clamping wheels are respectively arranged. The left traveling wheel and the right traveling wheel are arranged on the top surface of the rear side crossbeam track. The guiding and clamping wheels clamp both sides of the rear side crossbeam track. The front side L-shaped hanger and the rear side L-shaped hanger movably suspend the left-right moving box-shaped frame on the top beam of the gantry upright frame.

[0008] A synchronous lifter is arranged in the left-right moving box-shaped frame. At the lower end of the lifting suspension rod at the lower end of the synchronous lifter, a clamping and holding arm is connected. A tray and a battery pack are clamped in the clamping and holding arm. A longitudinal roller bed conveyor line and an AGV cart are arranged in parallel in the gantry upright frame. The left-right moving box-shaped frame, the synchronous lifter, the lifting suspension rod, and the clamping and holding arm together form a transverse transfer mechanism.

[0009] In view of the defect that the transverse drive gear and the rack on the heavy-load transverse movement frame are severely worn, which affects their meshing during operation, the present invention creatively changes the rigid meshing of the two into flexible meshing. Through the action of the spring pushing force, the worn gear and the rack are well meshed, the replacement time of the running wear of the gear and the rack is prolonged, and the transverse movement device runs more smoothly. Description of the Drawings

[0010] Figure 1 It is a structural schematic diagram of the present invention;

[0011] Figure 2 It is a structural schematic diagram of the gantry upright frame 1 of the present invention;

[0012] Figure 3 It is a structural schematic diagram of the transverse transfer mechanism of the present invention;

[0013] Figure 4 It is a structural schematic diagram of the left - right moving box - type frame 6 of the present invention;

[0014] Figure 5 It is a structural schematic diagram of the flexible suspension mechanism of the driving motor 12 of the present invention;

[0015] Figure 6 It is a structural schematic diagram of the flexible suspension mechanism of the driving motor 12 of the present invention in the front - view direction;

[0016] Figure 7 It is a structural schematic diagram of the flexible suspension mechanism of the driving motor 12 of the present invention in the top - view direction;

[0017] Figure 8 It is a structural schematic diagram of the rear - side L - shaped hanger 17 of the present invention;

[0018] Figure 9 It is a structural schematic diagram of the driving rack 5 on the driving - rack installation cross - beam 4 of the present invention;

[0019] Figure 10 It is a structural schematic diagram of the clamping and holding arm 25 of the present invention;

[0020] Figure 11 It is a structural schematic diagram of the synchronous lifter 23 and the lifting boom 24 of the present invention;

[0021] Figure 12 It is a structural schematic diagram when the tray and the battery pack 26 are horizontally transferred onto the AGV cart 28 of the present invention. Detailed implementation manners

[0022] The present invention will be described in detail below with reference to the accompanying drawings:

[0023] A battery pack transfer device capable of achieving adaptive adjustment during the meshing of a gear and a rack, comprising a gantry upright frame 1. The gantry upright frame 1 is composed of three gantry frames arranged at intervals to form a three-dimensional long strip-shaped channel. At the top of the gantry upright frame 1, a front side crossbeam track 2 and a rear side crossbeam track 3 are respectively arranged in parallel. Between the front side crossbeam track 2 and the rear side crossbeam track 3, a driving rack mounting crossbeam 4 is arranged. The front side crossbeam track 2, the rear side crossbeam track 3, and the driving rack mounting crossbeam 4 are arranged in parallel on the top surface of the three-dimensional long strip-shaped channel. On the driving rack mounting crossbeam 4, a driving rack 5 is arranged in the left-right horizontal direction. Below the front side crossbeam track 2 and the rear side crossbeam track 3, a left-right moving box-shaped frame 6 is suspended. The left-right moving box-shaped frame 6 can achieve lateral movement in the left-right direction. On the rear vertical surface of the left-right moving box-shaped frame 6, a driving mechanism mounting vertical plate 9 is fixedly arranged. On the driving mechanism mounting vertical plate 9, a hinge seat 10 is arranged. A driving motor base plate 11 is hinged to the hinge seat 10. A driving motor 12 is suspended on the driving motor base plate 11. On the output shaft extending upward from the driving motor 12, a driving gear 13 is connected. The driving gear 13 meshes with the driving rack 5. On the driving motor base plate 11 on one side of the driving motor 12, a kidney-shaped through hole 14 is arranged. In the kidney-shaped through hole 14, a spring guide rod 15 is arranged. The other end of the spring guide rod 15 is arranged on the driving mechanism mounting vertical plate 9. A spring 16 is threaded on the spring guide rod 15. The spring 16 is arranged between the driving mechanism mounting vertical plate 9 and the driving motor base plate 11. The driving motor 12 drives the driving gear 13 to rotate, and the driving gear 13, through meshing with the driving rack 5, realizes the left-right lateral movement of the left-right moving box-shaped frame 6.

[0024] On the top surface of the left-right moving box-shaped frame 6, a pair of rear side L-shaped hanger mounting seats 7 and a pair of front side L-shaped hanger mounting seats 8 are respectively arranged. A rear side L-shaped hanger 17 is connected to the pair of rear side L-shaped hanger mounting seats 7. A front side L-shaped hanger 18 is connected to the pair of front side L-shaped hanger mounting seats 8. The structure of the rear side L-shaped hanger 17 is exactly the same as that of the front side L-shaped hanger 18. At the top of the rear side L-shaped hanger 17, a long strip-shaped top beam 19 is arranged. At the left end of the long strip-shaped top beam 19, a left traveling wheel 21 is arranged. At the right end of the long strip-shaped top beam 19, a right traveling wheel 22 is arranged. On the lower bottom surface of the long strip-shaped top beam 19, two groups of guiding and clamping wheels 20 are respectively arranged. The left traveling wheel 21 and the right traveling wheel 22 are arranged on the top surface of the rear side crossbeam track 3. The guiding and clamping wheels 20 clamp both sides of the rear side crossbeam track 3. The front side L-shaped hanger 18 and the rear side L-shaped hanger 17 movably suspend the left-right moving box-shaped frame 6 on the top beam of the gantry upright frame 1. The rear side crossbeam track 3 and the front side crossbeam track 2 not only play the role of supporting the entire suspended left-right moving box-shaped frame 6, but also play the role of guiding the left-right movement. The support is realized through the traveling wheels, and the guiding is realized through two pairs of guiding wheels.

[0025] A synchronous lifter 23 is provided in the left-right moving box-shaped frame 6. The lower end of the lifting boom 24 at the lower end of the synchronous lifter 23 is connected with a clamping and holding arm 25, and a tray and a battery pack 26 are clamped in the clamping and holding arm 25; the synchronous lifter 23 realizes the lifting operation of the laterally transferred tray and battery pack 26 through four lifting booms 24, and the clamping and holding arm 25 realizes the clamping or releasing operation of the tray; a longitudinal roller bed conveyor line 27 and an AGV car 28 are arranged in parallel in the gantry upright frame 1, and the tray and battery pack 26 conveyed by the longitudinal roller bed conveyor line 27 are laterally transferred onto the parallelly arranged AGV car 28.

[0026] The present invention adopts an aerial transverse movement track to reduce the limitation on the ground space. Through the cooperation of polyurethane running wheels and nylon guiding wheels, the gear-rack driving frame moves horizontally along the track. The vertical lifting of the battery pack support frame is realized through a cylindrical rack linear bearing. The simultaneous opening and closing of the holding arms is realized through a T-shaped screw rod nut. The installation of various types of battery packs is realized through the movement of the upper slide rail on the battery pack tray.

Claims

1. A battery pack transfer device capable of realizing adaptive adjustment during the meshing of a gear and a rack, comprising a gantry upright frame (1). At the top of the gantry upright frame (1), a front side crossbeam track (2) and a rear side crossbeam track (3) are respectively arranged in parallel with each other. A driving rack mounting crossbeam (4) is arranged between the front side crossbeam track (2) and the rear side crossbeam track (3). A driving rack (5) is arranged on the driving rack mounting crossbeam (4) in the left-right horizontal direction. A left-right moving box-shaped frame (6) is suspended below the front side crossbeam track (2) and the rear side crossbeam track (3), and it is characterized in that, On the rear vertical surface of the left - right moving box - type frame (6), a driving mechanism mounting vertical plate (9) is fixedly arranged. A hinge seat (10) is arranged on the driving mechanism mounting vertical plate (9). The driving motor base plate (11) is hinged to the hinge seat (10). A driving motor (12) is suspended on the driving motor base plate (11). A driving gear (13) is connected to the output shaft extending upward from the driving motor (12). The driving gear (13) meshes with the driving rack (5). A kidney - shaped through - hole (14) is arranged on the driving motor base plate (11) on one side of the driving motor (12). A spring guide rod (15) is arranged in the kidney - shaped through - hole (14). The other end of the spring guide rod (15) is arranged on the driving mechanism mounting vertical plate (9). A spring (16) is threaded on the spring guide rod (15). The spring (16) is arranged between the driving mechanism mounting vertical plate (9) and the driving motor base plate (11).

2. The battery pack transfer device capable of realizing adaptive adjustment during the meshing of the gear and the rack according to claim 1, wherein On the top surface of the left - right moving box - type frame (6), a pair of rear - side L - shaped hanger mounting seats (7) and a pair of front - side L - shaped hanger mounting seats (8) are respectively arranged. A rear - side L - shaped hanger (17) is connected to the pair of rear - side L - shaped hanger mounting seats (7). A front - side L - shaped hanger (18) is connected to the pair of front - side L - shaped hanger mounting seats (8). The structure of the rear - side L - shaped hanger (17) is exactly the same as that of the front - side L - shaped hanger (18). A long - strip top beam (19) is arranged at the top of the rear - side L - shaped hanger (17). A left traveling wheel (21) is arranged at the left end of the long - strip top beam (19). A right traveling wheel (22) is arranged at the right end of the long - strip top beam (19). Two groups of guiding and clamping wheels (20) are respectively arranged on the bottom surface of the long - strip top beam (19). The left traveling wheel (21) and the right traveling wheel (22) are arranged on the top surface of the rear - side cross - beam track (3). The guiding and clamping wheels (20) clamp both sides of the rear - side cross - beam track (3). The front - side L - shaped hanger (18) and the rear - side L - shaped hanger (17) movably suspend the left - right moving box - type frame (6) on the top beam of the gantry vertical frame (1).

3. The battery pack transfer device capable of adaptively adjusting during the meshing of the gear and the rack according to claim 1 or 2, characterized in that, A synchronous lifter (23) is arranged in the left - right moving box - type frame (6). The lower end of a lifting suspension rod (24) at the lower end of the synchronous lifter (23) is connected to a clamping arm (25). A tray and a battery pack (26) are clamped inside the clamping arm (25). A longitudinal roller bed conveyor line (27) and an AGV cart (28) are arranged in parallel inside the gantry vertical frame (1).

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