Disclosure of Invention
In view of the above, there is a need for an apparatus for disassembling a bottom plate of a battery pack, so as to solve the problem of low efficiency caused by manually disassembling the bottom plate of the battery pack.
In order to achieve the above object, the present invention provides a device for detaching a bottom plate of a battery pack, wherein the battery pack includes a battery cell and a bottom plate, the bottom plate is bonded to the battery cell, and the device for detaching the bottom plate of the battery pack includes a hoisting mechanism and a lifting mechanism;
the hoisting mechanism comprises a hoisting roller and a hoisting driving piece, the hoisting roller is used for being connected with one end of the bottom plate, and the hoisting driving piece is connected with the hoisting roller and used for driving the hoisting roller to rotate;
the lifting mechanism is connected with the winding drum and is used for driving the winding drum to move.
Preferably, the hoisting driving part comprises an installation block and a hoisting motor, the hoisting roller is rotatably arranged on the installation block, a shell of the hoisting motor is fixed on the installation block, an output shaft of the hoisting motor is fixedly connected with the hoisting roller, and the lifting mechanism is connected with the installation block and used for driving the installation block to move up and down.
Preferably, the hoisting motor is a variable frequency speed reduction motor.
Preferably, the lifting mechanism is a hydraulic cylinder, and an output shaft of the hydraulic cylinder is connected with the mounting block.
Preferably, the device for disassembling the bottom plate of the battery pack further comprises a conveying member, the conveying member is arranged below the hoisting roller, and the conveying member is used for conveying the battery pack to the position below the hoisting roller.
Preferably, at least one hook is fixed on the side wall of the winding drum and used for being hung on a hanging hole in the bottom plate.
Preferably, the device for disassembling the bottom plate of the battery pack further comprises an advancing and retreating shaft mechanism, and the advancing and retreating shaft mechanism is connected with the winding roller and is used for driving the winding roller to move along the length direction.
Preferably, the advancing and retreating shaft mechanism comprises a guide rail and a movable driving piece, the mounting block is slidably arranged on the guide rail, the movable driving piece is connected with the mounting block and used for driving the mounting block to move along the guide rail, and the lifting mechanism is connected with the guide rail and used for driving the guide rail to move up and down.
Preferably, the mounting block is provided with a screw hole; the movable driving part comprises a screw rod and a rotary driving part, the screw rod is rotatably arranged on the guide rail and is parallel to the guide rail, the screw rod is in threaded connection with the screw hole, and the rotary driving part is connected with the screw rod and is used for driving the screw rod to rotate.
Preferably, the rotary drive is a rotary motor.
Compared with the prior art, the technical scheme provided by the invention has the beneficial effects that: drive the hoist cylinder through the hoist driving piece and rotate to dismantle the bottom plate, slowly drive the hoist cylinder rebound through elevating system, thereby prevent because of the number of turns of winding bottom plate on the hoist cylinder too much, lead to the appearance of the unable pivoted condition of hoist cylinder, thereby can dismantle the bottom plate on the battery package high-efficiently through this device.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.
Referring to fig. 1, fig. 1 shows a conventional power battery pack 1, where the battery pack 1 includes a battery cell 11 and a bottom plate 12, and the bottom plate 12 is bonded to the battery cell 11.
Referring to fig. 2 and 3, the present invention provides a device for detaching a bottom plate of a battery pack, including a winding mechanism 2 and a lifting mechanism 3. The hoisting mechanism 2 comprises a hoisting roller 21 and a hoisting driving piece 22, the hoisting roller 21 is used for being connected with one end of the bottom plate 12, and the hoisting driving piece 22 is connected with the hoisting roller 21 and used for driving the hoisting roller 21 to rotate. The lifting mechanism 3 is connected with the winding drum 21 and is used for driving the winding drum 21 to move.
When using, the partly of perk bottom plate 12 earlier, be connected hoist cylinder 21 with the bottom plate 12 of perk again, rethread hoist driving piece 22 drives hoist cylinder 21 and rotates, and bottom plate 12 breaks away from electric core 11 gradually, and twines on hoist cylinder 21, and at this process, elevating system 3 slowly drives hoist cylinder 21 rebound to prevent that the number of turns of bottom plate 12 because of winding on hoist cylinder 21 is too much, lead to the appearance of the unable pivoted condition of hoist cylinder 21.
The bottom plate 12 is disassembled by driving the winding drum 21 to rotate through the winding driving piece 22, the winding drum 21 is slowly driven to move upwards through the lifting mechanism 3, and the situation that the winding drum 21 cannot rotate due to too many turns of the bottom plate 12 wound on the winding drum 21 is prevented, so that the bottom plate 12 on the battery pack 1 can be efficiently disassembled through the device.
In order to realize the function of the hoisting driving member 22, referring to fig. 2 and fig. 3, in a preferred embodiment, the hoisting driving member 22 includes an installation block 221 and a hoisting motor 222, the hoisting drum 21 is rotatably disposed on the installation block 221, a housing of the hoisting motor 222 is fixed on the installation block 221, an output shaft of the hoisting motor 222 is fixedly connected with the hoisting drum 21, and the lifting mechanism 3 is connected with the installation block 221 and is used for driving the installation block 221 to move up and down.
To facilitate controlling the rotation speed of the winding drum 21, referring to fig. 2 and 3, in a preferred embodiment, the winding motor 222 is a variable frequency speed reduction motor.
To implement the function of the lifting mechanism 3, referring to fig. 2 and 3, in a preferred embodiment, the lifting mechanism 3 is a hydraulic cylinder, and an output shaft of the hydraulic cylinder is connected to the mounting block 221.
In order to improve the disassembling efficiency, please refer to fig. 2 and fig. 3, in a preferred embodiment, the apparatus for disassembling the bottom plate of the battery pack further includes a conveying member 4, the conveying member 4 is disposed below the winding drum 21, and the conveying member 4 is used for conveying the battery pack 1 to a position below the winding drum 21.
In order to facilitate quick connection between the winding drum 21 and the pre-tilted bottom plate 12, referring to fig. 2 to 5, in a preferred embodiment, at least one hook 211 is fixed on a side wall of the winding drum 21, the hook 211 is configured to be hung on a hanging hole 121 on the bottom plate 12, when in use, the hanging hole 121 needs to be drilled on the pre-tilted bottom plate 12 in advance, the battery pack 1 is conveyed to a position below the winding drum 21 through the conveying member 4, and the hook 211 is aligned with the hanging hole 121 on the bottom plate 12, so that the battery pack 1 can be automatically hung on the hanging hole 121 in a moving process, and quick connection between the winding drum 21 and the pre-tilted bottom plate 12 is quickly achieved.
Further, the conveying part 4 is also provided with an in-place detection part, when the battery pack 1 moves to a preset position, the hook 211 can be just inserted into the hanging hole 121, and when the in-place detection part detects that the battery pack 1 moves to the preset position, a signal is sent to the conveying part 4, so that the conveying part 4 stops rotating.
In order to facilitate the winding drum 21 to be drawn out from the bottom plate 12 wound on the winding drum 21, referring to fig. 2 to 5, in a preferred embodiment, the device for detaching the bottom plate of the battery pack further includes an advancing and retreating shaft mechanism 5, the advancing and retreating shaft mechanism 5 is connected to the winding drum 21 and is configured to drive the winding drum 21 to move in the length direction, so that the winding drum 21 can be drawn out from the bottom plate 12 wound on the winding drum 21, and after the bottom plate 12 is removed, the winding drum is wound on the winding drum 21, and in order to facilitate the winding drum 21 to be drawn out from the bottom plate 12 wound on the winding drum 21, the advancing and retreating shaft mechanism 5 drives the winding drum 21 to move in the length direction, so that the winding drum 21 can be drawn out from the bottom plate 12 wound on the winding drum 21.
Preferably, the winding drum 21 includes two separately arranged drum portions, the two drum portions are coaxially arranged, and the advance and retreat shaft mechanism 5 is connected with the two drum portions and is used for driving the two drum portions to move in opposite directions or move away from each other, so that when the winding drum 21 is drawn away, half of the retreat shaft distance can be reduced, which is beneficial to realizing the miniaturization of the device and reducing the occupied space of the device.
In order to realize the function of the shaft advancing and retracting mechanism 5, referring to fig. 2 to 5, in a preferred embodiment, the shaft advancing and retracting mechanism 5 includes a guide rail 51 and a movable driving member 52, the mounting block 221 is slidably disposed on the guide rail 51, the movable driving member 52 is connected to the mounting block 221 and is configured to drive the mounting block 221 to move along the guide rail 51, and the lifting mechanism 3 is connected to the guide rail 51 and is configured to drive the guide rail 51 to move up and down.
To implement the function of the movable driving member 52, referring to fig. 2-5, in a preferred embodiment, the mounting block 221 is provided with a screw hole; the movable driving part 52 comprises a screw rod 521 and a rotary driving part 522, the screw rod 521 is rotatably arranged on the guide rail 51 and is parallel to the guide rail 51, the screw rod 521 is in threaded connection with the screw hole, the rotary driving part 522 is connected with the screw rod 521 and is used for driving the screw rod 521 to rotate, when the movable driving part is used, the rotary driving part 522 drives the screw rod 521 to rotate, when the screw rod 521 rotates, the screw rod 521 acts on the installation block 221, and because the installation block 221 is limited by the guide rail 51 and cannot rotate, the rotation of the screw rod 521 is converted into the translational movement of the installation block 221, and when the installation block 221 translates, the winding roller 21 is driven to move along the length direction, so that the function of the movable driving part 52 is realized.
To implement the function of the rotary driving member 522, referring to fig. 2-5, in a preferred embodiment, the rotary driving member 522 is a rotary motor.
For better understanding of the present invention, the operation of the apparatus for disassembling a bottom plate of a battery pack according to the present invention will be described in detail with reference to fig. 1 to 5: when the battery pack lifting device is used, a part of a bottom plate 12 on a battery pack 1 is pre-lifted, then the battery pack 1 is placed at a specific position on a conveying piece 4, the conveying piece 4 drives the battery pack 1 to move towards a hoisting roller 21, when the battery pack 1 moves to a preset position, a hook 211 can be just inserted into a hanging hole 121 on the bottom plate 12, when an in-place detection piece detects that the battery pack 1 moves to the preset position, a signal is sent to the conveying piece 4 to stop the rotation of the conveying piece 4, then the hoisting roller 21 is driven to rotate by a hoisting motor 222, the bottom plate 12 is gradually separated from an electric core 11 and wound on the hoisting roller 21, in the process, the lifting mechanism 3 slowly drives the hoisting roller 21 to move upwards, so that the situation that the hoisting roller 21 cannot rotate due to too many turns of the bottom plate 12 wound on the hoisting roller 21 is prevented, and after the bottom plate 12 is separated from the electric core 11, the hoisting motor 222 reversely rotates, the winding drum 21 is rotated reversely, so that the winding drum 21 is automatically separated from the hanging hole 121 on the bottom plate 12, then the screw rod 521 is driven to rotate by the rotation driving piece 522, the mounting block 221 is moved outwards along the guide rail 51, so that the winding drum 21 exits from the enclosure of the rotating bottom plate 12, the bottom plate 12 falls on the conveying piece 4, and then the separated electric core 11 and the bottom plate 12 are continuously moved forwards to the next station through the conveying piece 4.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.