Battery pack bottom shell AGV conveying device

Abstract

The utility model discloses a battery pack bottom shell AGV conveying device which comprises an AGV trolley and further comprises a sliding frame capable of horizontally moving in the width direction of the trolley and a battery pack tray capable of tilting at the top of the sliding frame, a pair of linear guide rails is arranged on the AGV trolley, the sliding frame is supported on the linear guide rails and connected with a sliding driving mechanism, and the battery pack tray is arranged on the sliding driving mechanism. A first driving shaft is arranged at the bottom of the battery pack tray, the first driving shaft is horizontally supported on the sliding frame and connected with the tilting driving mechanism, the battery pack tray can be located at any angle within the range from-beta to + beta, beta is smaller than 90 degrees, and the battery pack tray can be located at any position in the width direction of the AGV trolley. According to the utility model, the posture conversion of the PACK is realized in the AGV conveying process, the assembling time is reduced, and the efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a bottom shell conveying technology for lithium battery packs, in particular to an AGV conveying device for the bottom shell of a battery pack. Background Art

[0002] At present, there are two ways to transport the pack in the lithium battery pack assembly:

[0003] 1. The PACK bottom shell is transported throughout the workshop through the conveyor line. When it arrives at each workstation, the PACK is transformed into a posture by a fully automatic mechanical structure or robotic equipment to complete the assembly;

[0004] 2. The PACK bottom shell is transported to each workstation by the AGV conveyor vehicle, and the PACK is flipped by the fully automatic equipment to complete the posture conversion and complete the assembly.

[0005] The current conveyor line for transporting PACK requires the production line to be modified and the conveyor line to be arranged, which leads to high manufacturing costs, large floor space and very long manufacturing cycle.

[0006] Today's AGV transport carts only have a transport function. If PACK posture conversion is required, external automated equipment must be used, resulting in extremely high manufacturing costs and an exponential increase in floor space.

[0007] Therefore, the existing conveyor lines and AGV conveyor carts have the problem of high subsequent modification costs. Utility Model Content

[0008] The purpose of the utility model is to provide a battery pack bottom shell AGV conveying device, which can transform the posture of the carried battery pack bottom shell while conveying the battery pack bottom shell.

[0009] To this end, the utility model provides a battery pack bottom shell AGV conveying device, including an AGV trolley, a sliding frame capable of translation in the width direction of the trolley and a battery pack tray capable of tilting on the top of the sliding frame, the AGV trolley is provided with a pair of linear guide rails, the sliding frame is supported on a pair of linear guide rail assemblies and is connected to a sliding drive mechanism, a drive shaft 1 is provided at the bottom of the battery pack tray, the drive shaft 1 is horizontally supported on the sliding frame and is connected to the tilting drive mechanism, wherein the battery pack tray can be at any angle within the range of -β to +β, β < 90°, and the battery pack tray can be at any position in the width direction of the AGV trolley.

[0010] Furthermore, the above-mentioned sliding drive mechanism includes a rack and a sliding drive gear. The rack is arranged on the AGV trolley in parallel with the linear guide rail. The sliding drive gear is engaged with the rack and is connected to the servo motor, thereby driving the sliding frame to move when the servo motor rotates.

[0011] Furthermore, the above-mentioned tilting drive mechanism includes a sector-shaped ring gear and a tilting drive gear. The sector-shaped ring gear is fixedly connected to the end of the driving shaft. The tilting drive gear is engaged with the sector-shaped ring gear and is connected to the servo motor, thereby driving the battery pack tray to tilt when the servo motor is driven.

[0012] Furthermore, tilting drive mechanisms are symmetrically provided at both ends of the driving shaft 1.

[0013] Furthermore, the above-mentioned sliding drive mechanism and tilting drive mechanism share the same servo motor, wherein the servo motor is gear-driven with the second drive shaft, the tilting drive gear is installed on the second drive shaft, and the sliding drive gear is gear-engaged with the second drive shaft through gears.

[0014] Furthermore, the tilting position and horizontal position of the above-mentioned battery pack tray are linked: when the battery pack tray is in a horizontal position, that is, the 0° position, the battery pack tray is located in the middle of the width of the AGV trolley; when the battery pack tray moves to the left side of the width of the AGV trolley, the battery pack tray tilts to the +70° position; when the battery pack tray moves to the right side of the width of the AGV trolley, the battery pack tray tilts to the -70° position.

[0015] The main innovations and beneficial effects of this utility model are as follows:

[0016] (1) Realize the posture conversion of PACK during AGV transportation, reduce assembly time and improve efficiency;

[0017] (2) Reduce the floor space and number of equipment of the PACK assembly line. Only a sufficient number of AGVs with flipping function are needed to achieve the required posture.

[0018] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings constituting part of this application are provided to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are provided to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0020] Figure 1 This is a schematic diagram of the three-dimensional structure of the battery pack bottom shell AGV conveying device of the utility model Figure 1 ;

[0021] Figure 2 This is a schematic diagram of the three-dimensional structure of the battery pack bottom shell AGV conveying device of the utility model Figure 2 ;

[0022] Figure 3 This is a front structural diagram of the battery pack bottom shell AGV conveying device of the utility model;

[0023] Figure 4 This is a schematic diagram of the battery pack bottom shell AGV conveying device of the present invention with the tray in a horizontal position;

[0024] Figure 5 This is a schematic diagram of the battery pack bottom shell AGV conveying device of the present invention, with the tray moved to the right and tilted at -70 degrees;

[0025] Figure 6 This is a schematic diagram of the battery pack bottom shell AGV conveying device of the present invention, in which the tray moves to the right and is tilted at +70°. DETAILED DESCRIPTION

[0026] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0027] The utility model provides an AGV conveying device for a battery pack bottom shell, which is a device capable of performing posture conversion on a PACK on an AGV, and is used for realizing tilting and horizontal movement of the PACK on the AGV conveying vehicle.

[0028] Combined with reference Figures 1 to 6 The battery pack bottom shell AGV conveying device includes an AGV trolley 10, a sliding frame 20 that can translate in the width direction of the trolley 10, and a battery pack tray 30 on the top of the sliding frame 20 that can tilt around the trolley X-axis.

[0029] A pair of linear guide rail assemblies 11 are provided on the AGV trolley 10 , and the sliding frame 20 is supported on the pair of linear guide rail assemblies 11 and connected to the sliding drive mechanism.

[0030] The sliding drive mechanism includes a rack 41 and a sliding drive gear 42. The rack 41 is arranged on the AGV trolley 10 in parallel with the linear guide rail 11. The sliding drive gear 42 is engaged with the rack 41 and is connected to the servo motor 49, thereby driving the sliding frame 20 to move when the servo motor 49 rotates.

[0031] A drive shaft 1 31 is provided at the bottom of the battery pack tray 30. The drive shaft 1 31 is horizontally supported on the sliding frame 20 and connected to the tilt drive mechanism. The axis of the drive shaft 1 31 is parallel to the X-axis from the front to the rear of the vehicle.

[0032] The tilt drive mechanism is symmetrically positioned at both ends of drive shaft 1 31 and concealed within the bottom of the battery pack tray 30. It includes a sector gear ring 43 and a tilt drive gear 44. The sector gear ring 43 is fixedly connected to the end of drive shaft 1 31. The tilt drive gear 44 meshes with the sector gear ring 43, providing a reduced transmission. The gear is also in transmission connection with a servo motor 49, which in turn drives the battery pack tray 30 to tilt when the servo motor 49 rotates.

[0033] The battery pack tray can be at any angle within the range of -β to +β, β < 90°, and when β = 0°, the battery pack tray is in a horizontal position. The battery pack tray can be at any position in the width direction of the AGV trolley.

[0034] Preferably, the sliding drive mechanism and the tilting drive mechanism share the same servo motor 49, wherein the servo motor 49 is engaged with the drive shaft 2 45 through a pair of gears 46 / 47 for transmission, a pair of tilting drive gears 44 are installed at both ends of the drive shaft 2 45, and the sliding drive gear 42 is engaged with the gear 48 installed on the drive shaft 2 45 for transmission.

[0035] In this way, synchronous tilting and translation are achieved through one power, and the gear transmission structure is simple, efficient and easy to maintain.

[0036] While sharing the same servo motor, the tilting position and horizontal position of the battery pack tray are linked, and the specific settings are as follows: when the battery pack tray is in the horizontal position, that is, the 0° position, the battery pack tray is located in the middle of the width of the AGV; when the battery pack tray is at the +70° position, the battery pack tray is located on the left side of the width of the AGV; when the battery pack tray is at the -70° position, the battery pack tray is located on the right side of the width of the AGV.

[0037] The battery pack tray's positioning perfectly matches the requirements of each workstation during battery pack assembly: During the AGV's transport process, when it reaches a manual assembly station, the assembler at that station stands on either side of the AGV—either the left or the right. Regardless of the standing position, the battery pack tray can be tilted to face and approach the assembler. When it reaches the automated assembly station, the automated assembly components are raised and lowered for installation, with the battery pack tray positioned neutrally, eliminating the need for tilting.

[0038] In order to more flexibly configure the posture of the battery pack tray, the above-mentioned tilting drive mechanism and sliding drive mechanism can be driven by their own servo motors. At this time, the PACK can be implemented in three working postures on the AGV.

[0039] First: PACK is in the horizontal position, that is, β = 0°;

[0040] Second: PACK is at any angle within the range of 0 to +70°;

[0041] Third: The PACK is at any angle within the range of 0 to -70°.

[0042] At the same time, when the PACK is at the above three angles, the horizontal position can be set as required.

[0043] The above description is merely an embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, substitutions, or improvements made within the spirit and principles of the present invention shall be within the scope of protection of the present invention.

Claims

1. A battery pack bottom shell AGV conveying device, including an AGV trolley, characterized in that: It also includes a sliding frame that can be translated in the width direction of the trolley and a battery pack tray that can be tilted on the top of the sliding frame. The AGV trolley is provided with a pair of linear guide rails, the sliding frame is supported on a pair of linear guide rail assemblies and connected to the sliding drive mechanism, the bottom of the battery pack tray is provided with a drive shaft 1, the drive shaft 1 is horizontally supported on the sliding frame and connected to the tilting drive mechanism, The battery pack tray can be at any angle within the range of -β to +β, β < 90°, and the battery pack tray can be at any position in the width direction of the AGV trolley.

2. The battery pack bottom shell AGV conveying device according to claim 1, characterized in that: The sliding drive mechanism includes a rack and a sliding drive gear. The rack is arranged on the AGV trolley in parallel with the linear guide rail. The sliding drive gear is engaged with the rack and is connected to the servo motor, thereby driving the sliding frame to move when the servo motor rotates.

3. The battery pack bottom shell AGV conveying device according to claim 2, characterized in that: The tilting drive mechanism includes a sector-shaped ring gear and a tilting drive gear. The sector-shaped ring gear is fixedly connected to the end of drive shaft one. The tilting drive gear is engaged with the sector-shaped ring gear and is connected to the servo motor, thereby driving the battery pack tray to tilt when the servo motor is driven.

4. The battery pack bottom shell AGV conveying device according to claim 3, characterized in that: The two ends of the driving shaft 1 are symmetrically provided with tilting driving mechanisms.

5. The battery pack bottom shell AGV conveying device according to claim 3, characterized in that: The sliding drive mechanism and the tilting drive mechanism share the same servo motor, wherein the servo motor is gear-driven with the second drive shaft, the tilting drive gear is installed on the second drive shaft, and the sliding drive gear is gear-engaged with the second drive shaft.

6. The battery pack bottom shell AGV conveying device according to claim 5, characterized in that: The tilting position and horizontal position of the battery pack tray are linked: When the battery pack tray is in a horizontal position, that is, the 0° position, the battery pack tray is located in the middle of the width of the AGV; when the battery pack tray moves to the left side of the width of the AGV, the battery pack tray is tilted to the +70° position; when the battery pack tray moves to the right side of the width of the AGV, the battery pack tray is tilted to the -70° position.

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