CN211443928U - A battery assembly material rack rotating mechanism - Google Patents

Abstract

The utility model provides a battery assembly material rack rotating mechanism. The material rack rotating mechanism is located between a support body loading station and a finished product unloading station, and the support body loading station is used to sequentially store the support bodies in the material rack. It is placed on the main conveying line, and the finished product unloading station is used to collect the assembled products on the main conveying line into the empty material rack in turn; the material rack rotation mechanism is used to The material rack is transported to the finished product unloading station. The utility model can directly run the empty material rack after the material loading station of the support body is loaded to the finished product unloading station, which greatly improves the production efficiency.

Description

A battery assembly material rack rotating mechanism

technical field

The utility model particularly relates to a battery assembly material rack rotating mechanism.

Background technique

As shown in Figure 1, the battery sheet 01 needs to be pasted on the support body 02, and the battery sheet 01 needs to be installed on the corresponding equipment through the support body 02. Currently, automated equipment is used to assemble the battery sheet 01 and the support body 02. The automated equipment The cell 01 and the support 02 need to be loaded one by one, and the single cell 01 and the single support 02 are assembled into an assembly and then unloaded one by one; it is more convenient to load the material through the rack, and the size of the rack can accommodate the support. The supports 02 are loaded one by one and the assemblies are collected in turn, that is, the racks can be used for the loading of the supports 02 and the unloading of the assemblies; however, the empty racks after the supports 02 are loaded currently require additional manual handling, which affects the production. efficiency.

Utility model content

In order to solve the above-mentioned technical problems, the utility model provides a battery assembly material rack rotating mechanism, which can directly run the empty material rack after the support body loading station is loaded to the finished product unloading station, which greatly improves the performance of the battery assembly. Productivity.

The utility model adopts the following technical solutions:

A battery assembly material rack rotation mechanism, the material rack rotation mechanism is located between a support body loading station and a finished product unloading station, and the support body loading station is used to sequentially place the supports pre-stored in the material rack on the main conveyor. On the line, the finished product unloading station is used to sequentially collect the assembled products on the main conveyor line into the empty material rack;

The rack slewing mechanism is used to transport the empty rack after the loading station of the support body is loaded to the unloading station of the finished product.

Preferably, a discharge port is formed on one side of the material rack, the material discharge port faces the main conveying line, and a plurality of slots for holding the supports are evenly distributed in the material rack along the vertical direction;

The support body loading station and the finished product unloading station are distributed at both ends of the main conveying line, and both the support body loading station and the finished product unloading station include a pushing mechanism and a lifting mechanism, The pushing mechanism is adapted to the height position of the main conveying line. The material rack is arranged on the lifting mechanism, and the lifting mechanism can drive the material rack to rise and fall so that the slot is flush with the surface of the main conveying line. The pusher mechanism at the position can push the support body in the slot into the main conveying line; the pusher mechanism at the finished product unloading station can push the assembled product on the main conveying line into the slot.

Preferably, the other side of the material rack opposite to the discharge port is provided with limit bars for restricting the support body, and there are at least two limit bars extending in the vertical direction.

Preferably, the material rack rotating mechanism includes a material rack return line, the material rack return line extends from the support body loading station to the finished product unloading station, and the material rack return line is parallel to the main conveying line;

The lifting mechanism is also provided with a driving platform, the material rack is arranged on the driving platform, and the lifting mechanism can drive the driving platform to lift and lower so that the driving platform corresponds to the return line of the material rack; the driving platform of the feeding station of the support body can The material rack is transported to the material rack return line, and the material rack return line can transport the material rack to the drive platform of the finished product unloading station.

Preferably, the material rack return line is located on the side of the main conveying line, and the two ends of the material rack return line are distributed with transfer tables, and the lifting mechanism can drive the driving platform to rise and fall so that the driving platform corresponds to the transfer table ;

The transfer table is provided with a transfer conveyor belt conveyed toward the direction of the driving platform and a conveying roller conveyed toward the direction of the return line of the material rack, and the conveying roller can be raised and lowered to be higher or lower than the transfer conveyor belt;

The drive platform is provided with support plates located on both sides of the material rack and lifting rollers located between the support plates on both sides, the material rack is supported by the support plates on both sides, and the lifting rollers are conveyed toward the direction of the transfer table, The lift rollers can be raised and lowered to be higher or lower than the support plate.

Preferably, the support body loading station further includes a loading buffer table, and the finished product unloading station also includes a blanking buffer table, and both the loading buffer table and the unloading buffer table are provided with the same conveying direction as the lifting roller. a buffer conveyor belt, the lifting mechanism can drive the driving platform to rise and fall so that the driving platform corresponds to the loading buffer table or the unloading buffer table;

When the driving platform corresponds to the feeding buffer table, the feeding buffer table can transport the material rack to the driving platform; when the driving platform corresponds to the feeding buffer table, the driving platform can transport the material rack to the feeding buffer table.

Preferably, the material rack return line includes conveyors arranged in parallel on both sides of the material rack, and there is a gap between the conveyors on both sides, and a turning mechanism is also provided on the material rack return line. The turning mechanism is located between the conveyors on both sides. The turning mechanism includes a lifting device and a rotating device. The lifting device can drive the rotating device to rise and fall so that the rotating device is higher or lower than the conveyors on both sides. The rotating device is higher than the two sides. The conveyor on the side can support the material rack and drive the material rack to rotate 180°.

Preferably, the lifting device includes a base, a guide column, a lifting cylinder and a connecting plate, the lifting cylinder is arranged on the base to drive the connecting plate to slide on the base through the guide column, the rotating device includes a turntable and a rotating cylinder, the The rotary cylinder is fixed on the connecting plate and drives the turntable to rotate 180°.

Preferably, the turntable is provided with a positioning column at an eccentric position, the bottom of the material rack is provided with a positioning hole matched with the positioning column, and the return line of the material rack is provided with a travel switch at the conveying front end of the overturning mechanism , There is a positioning cylinder located at the conveying rear end of the overturning mechanism. The positioning cylinder can be lifted up to contact the material rack to limit the movement of the material rack. When the positioning cylinder is in contact with the material rack, the positioning column is located just below the positioning hole.

Preferably, a buffering station is provided at the conveying front end of the turning mechanism on the return line of the material rack, and the buffering stations each include a travel switch at the front end of the conveying and a positioning cylinder at the rear end of the conveying, and the positioning cylinder can be raised Contact with the rack to limit the movement of the rack.

Beneficial effects of the present utility model: the material rack rotating mechanism of the present utility model is used to transport the empty material rack after the support body is loaded at the material loading station to the finished product unloading station, avoiding manual handling and greatly improving the production efficiency.

Description of drawings

The accompanying drawings are used to provide a preferred understanding of the present invention, and constitute a part of the specification, and together with the embodiments of the present invention, are used to explain the present invention, and do not constitute a limitation to the present invention. In the attached image:

Fig. 1 is the exploded view after the battery sheet and the support body are assembled in the background technology;

Fig. 2 is the overall structure schematic diagram of the present utility model;

Fig. 3 is the schematic diagram of the material rack slewing mechanism and the support body loading station of the present invention;

4 is a schematic diagram of the relative positions of the drive platform, the transfer platform, and the loading buffer platform of the present invention;

Fig. 5 is the schematic diagram of the material rack slewing mechanism and the transfer table of the present invention;

Fig. 6 is the structural representation of the material rack of the present invention;

7 is a schematic structural diagram of the turning mechanism on the return line of the material rack of the present invention;

FIG. 8 is a schematic structural diagram of the turning mechanism of the present invention.

Marked in the figure: 01, battery sheet; 02, support body; 100, material rack rotation mechanism; 110, material rack return line; 111, conveyor; 112, travel switch; 113, positioning cylinder; 200, on the support body Material station; 210, loading buffer table; 300, finished product blanking station; 310, unloading buffer table; 400, material rack; 410, slot; 420, limit bar; 430, positioning hole; 500, main Conveyor line; 600, push mechanism; 700, lift mechanism; 710, drive platform; 711, support plate; 712, lift roller; 800, transfer table; 810, transfer conveyor belt; 820, convey roller; 900, turn over Mechanism; 910, lifting device; 911, base; 912, guide column; 913, lifting cylinder; 914, connecting plate; 920, rotating device; 921, turntable; 922, rotating cylinder; 923, positioning column.

Detailed ways

The specific embodiments of the present invention will be described below with reference to the accompanying drawings.

As shown in Figures 2 to 8, it is a battery assembly material rack rotating mechanism of the present invention. The material rack rotating mechanism 100 is located between the support body loading station 200 and the finished product unloading station 300, and the support body is loaded. The station 200 is loaded through the material rack 400, and the finished product unloading station 300 is unloaded through the material rack 200; the support body loading station 200 is used to sequentially place the supports pre-stored in the material rack 400 on the main conveying line 500, The finished product unloading station 300 is used to sequentially collect the assembled products on the main conveying line 500 into the empty material rack 400; 400 is transported to the finished product unloading station 300; the material rack rotating mechanism of the present invention is used to transport the empty material rack 400 after the support body loading station 200 is loaded to the finished product unloading station 300, avoiding the need for Manual handling greatly improves production efficiency.

Specifically, a discharge port is formed on one side of the material rack 400, and the discharge port faces the main conveying line 500. The material rack 400 is evenly distributed in the vertical direction with a plurality of slots 410 for holding the supporting body; The feeding station 200 and the finished product unloading station 300 are distributed at both ends of the main conveying line 500. The support body feeding station 200 and the finished product unloading station 300 both include a pushing mechanism 600 and a lifting mechanism 700, and the material rack 400 is provided On the lifting mechanism 700, the lifting mechanism 700 can drive the material rack 400 to rise and fall so that the slot 410 is flush with the surface of the main conveying line 500; On both sides of 400, the pusher mechanism 600 of the support body feeding station 200 is fixed in position and flush with the surface of the main conveying line 500, and when the support body slot 410 is flush with the surface of the main conveying line 500, the support body feeding station The pushing mechanism 600 of 200 can push the support body from the slot 410 into the main conveying line 500; the pushing mechanism 600 of the finished product blanking station 300 and the main conveying line 500 are located on the same side of the material rack 400, and the finished product cutting The pusher mechanism 600 at position 300 can move up and down, and the pusher mechanism 600 of the finished product unloading station 300 is located below the main conveying line 500 when it descends. At this time, it can move the assembled finished product from the conveying front end of the pushing mechanism 600 to the conveying At the rear end, the pushing mechanism 600 of the finished product blanking station 300 is flush with the surface of the main conveying line 500 when it ascends. , the pushing mechanism 600 of the finished product blanking station 300 rises and can push the assembled product on the main conveying line 500 into the slot 410 .

Wherein, the other side of the material rack 400 opposite to the discharge port is provided with a limit bar 420 for limiting the support body. The limit bars 420 extend in the vertical direction and at least two are provided, and the limit bars 420 serve as limiters When the push mechanism 600 of the finished product unloading station 300 pushes the assembled product on the main conveying line 500 into the slot 410, the collection of the assembled product can be completed until the support body contacts the limit bar 420 and stops. Blanking.

The material rack rotation mechanism 100 includes a material rack return line 110, the material rack return line 110 extends from the support body loading station 200 to the finished product unloading station 300, and the material rack return line 110 is parallel to the main conveying line 500; the lifting mechanism; 700 is also provided with a driving platform 710, the material rack 400 is arranged on the driving platform 710, and the lifting mechanism 700 can drive the driving platform 710 to lift and lower so that the driving platform 710 corresponds to the material rack return line 110; the support body feeding station 200 The driving platform 710 can transport the material rack 400 to the material rack return line 110, and the material rack return line 110 can transport the material rack 400 to the driving platform 710 of the finished product unloading station 300 to realize the transfer of the material rack 400 .

Specifically, the rack return line 110 is located at the side of the main conveying line 500 , and transfer tables 800 are distributed at both ends of the rack return line 110 , and the lifting mechanism 700 can drive the drive platform 710 to rise and fall so that the drive platform 710 and the transfer platform The table 800 corresponds; the transfer table 800 is provided with a transfer conveyor belt 810 conveying towards the direction of the driving platform 710 and a conveying roller 820 conveying towards the direction of the return line 110 of the material rack. The conveying roller 820 can be raised and lowered to be higher or lower than The transfer conveyor belt 810; the drive platform 710 is provided with support plates 711 located on both sides of the material rack 400 and lifting rollers 712 located between the support plates 711 on both sides, the material rack 400 is supported by the support plates 711 on both sides, and the lifting rollers The drum 712 is conveyed towards the direction of the transfer table 800, and the lifting roller 712 can be lifted or lowered to be higher or lower than the support plate 711; 711 support, at this time, the lifting mechanism 700 can drive the material rack 400 to rise and fall so that the slot 410 is flush with the surface of the main conveying line 500; when all the supports in the material rack 400 are pushed out, the lifting mechanism 700 drives the material rack 400 to rise and fall In order to make the driving platform 710 correspond to the transfer table 800, the lifting roller 712 moves upward to be higher than the support plate 711, the lifting roller 712 contacts the bottom of the material rack 400, and the lifting roller 712 is activated to drive the material rack 400 to move. On the transfer table 800, the transfer conveyor belt 810 on the transfer table 800 moves synchronously until the material rack 400 is moved to a predetermined position on the transfer table 800, and the transfer roller 820 moves upward to be higher than the transfer conveyor belt 810. The roller 820 is in contact with the bottom of the material rack 400, and the conveying roller 820 is activated to drive the material rack 400 to move to the material rack return line 110, so that the empty material rack 400 can flow out from the supporting body feeding station 200; similarly, The empty material rack 400 on the material rack return line 110 can be moved from the material rack return line 110 through the transfer table 800 to the drive platform 710 at the finished product unloading station 300. The working principle is the same as the above process, except that the conveying direction different, so they are not repeated here.

The support body loading station 200 further includes a loading buffer table 210 , and the finished product unloading station 300 further includes a blanking buffer table 310 . For the buffer conveyor belt with the same conveying direction, the lifting mechanism 700 can drive the driving platform 710 to rise and fall so that the driving platform 710 corresponds to the loading buffer table 210 or the unloading buffer table 310; when the driving platform 710 corresponds to the loading buffer table 210, The feeding buffer table 210 can transport the material rack 400 to the driving platform 710 to realize the feeding of the material rack 400. The feeding buffer table 210 can buffer a plurality of material racks 400 filled with supports to meet the feeding requirements; drive When the platform 710 corresponds to the unloading buffer table 310, the driving platform 710 can transport the material rack 400 to the unloading buffer table 310 to realize the transfer after unloading, and transfer the material rack 400 filled with the assembled products to the unloading buffer On the table 310, it is transported away from the unloading buffer stage 310 to complete the unloading operation.

Among them, the material rack return line 110 includes conveyors 111 arranged in parallel on both sides of the material rack 400, and there is a gap between the conveyors 111 on both sides. A turning mechanism 900 is also provided on the material rack return line 110 to turn over. The mechanism 900 is located between the conveyors 111 on both sides. The overturning mechanism 900 includes a lifting device 910 and a rotating device 920. The lifting device 910 can drive the rotating device 920 to ascend and descend to make the rotating device 920 higher or lower than the conveyors 111 on both sides. When the device 920 is higher than the conveyors 111 on both sides, it can support the material rack 400 and drive the material rack 400 to rotate by 180°. There is a limit bar 420 on the side, and the limit bar 420 plays a limiting role. The empty material rack 400 must be turned over to be used for unloading. The empty material rack 400 moves with the material rack return line 110 to the turning mechanism 900. At the time, the turning mechanism 900 is driven to rotate 180° to realize turning.

Specifically, the lifting device 910 includes a base 911, a guide column 912, a lifting cylinder 913 and a connecting plate 914. The lifting cylinder 913 is disposed on the base 911 to drive the connecting plate 914 to slide on the base 911 through the guide column 912. The rotating device 920 includes The turntable 921 and the rotary cylinder 922, the rotary cylinder 922 is fixed on the connecting plate 914 and drives the turntable 921 to rotate 180°. When the empty rack 400 moves with the conveyors 111 on both sides to the turning mechanism 900, the lifting cylinder 913 pushes the connecting plate 914 rises, the connecting plate 914 is guided upward on the base 911 by the guide post 912, and drives the turntable 921 and the rotary cylinder 922 to rise, the turntable 921 contacts the bottom of the material rack 400 and pushes the material rack 400 upward and away from the conveyors 111 on both sides. When the rotating cylinder 922 is activated, it drives the material rack 400 to rotate 180°, and then the lifting cylinder 913 is reset, the material rack 400 falls to the conveyors 111 on both sides, and the conveyor 111 continues to transport it forward to the finished product unloading station 300;

Among them, the turntable 921 is provided with a positioning column 923 at an eccentric position, and the bottom of the material rack 400 is provided with a positioning hole 430 matched with the positioning column 923. Preferably, the positioning column 923 is evenly distributed around the circumference of the turntable 921. The columns 923 correspond one by one, the return line 110 of the material rack is provided with a travel switch 112 at the front end of the conveying of the inversion mechanism 900, and a positioning cylinder 113 is disposed at the rear end of the conveying of the inversion mechanism 900. After the material rack 400 passes the travel switch 112, the control The indicator indicates that the positioning cylinder 113 is raised, and the positioning cylinder 113 can be lifted up to contact the material rack 400 to limit the movement of the material rack 400. When the positioning cylinder 113 is in contact with the material rack 400, the positioning column 923 is located directly below the positioning hole 430. This When the turntable 921 rises upward, the positioning column 923 enters the positioning hole 430. When the turntable 921 rotates, the material rack 400 is driven to rotate by the positioning column 923 to realize synchronous rotation.

On the return line 110 of the material rack, there is a buffering station located at the conveying front end of the turning mechanism 900. The buffering stations include a travel switch 112 at the front end of the conveying and a positioning cylinder 113 at the rear end of the conveying. The positioning cylinder 113 can be lifted and the material The racks 400 are in contact to limit the movement of the racks 400 , and the buffering station at the front end of the conveying of the overturning mechanism 900 can prevent the racks 400 from colliding with the rotating device 920 after being lifted.

The working principle of the present utility model:

The lifting rollers 712 at the loading station 200 of the support body rise upward, the loading buffer table 210 transports the racks 400 to the lifting rollers 712 , and the lifting rollers 712 move the racks 400 to a predetermined position on the driving platform 710 . position, the lifting roller 712 descends, the material rack 400 is supported by the support plates 711 on both sides, the lifting mechanism 700 drives the material rack 400 to rise and fall so that the slot 410 is flush with the surface of the main conveying line 500 in turn, and the pushing mechanism 600 pushes the The support body is sequentially pushed into the main conveying line 500 from the slot 410, the support body is conveyed by the main conveying line 500, and the assembly operation of each process is completed to form an assembled product;

After all the supporting bodies in the material rack 400 are pushed out, the lifting mechanism 700 drives the material rack 400 up and down to make the driving platform 710 correspond to the transfer table 800. At this time, the lifting roller 712 rises and contacts the bottom of the material rack 400, and the lifting and lowering is started. The roller 712 drives the material rack 400 to move to the transfer table 800, and the transfer conveyor belt 810 on the transfer table 800 moves synchronously until the material rack 400 is moved to the predetermined position on the transfer table 800, and the conveying roller 820 rises and the material rack The bottom of 400 is in contact, and the conveying roller 820 is activated to drive the material rack 400 to move to the material rack return line 110;

After the material rack 400 passes through the travel switch 112, the controller instructs the positioning cylinder 113 to rise to limit the movement of the material rack 400. At this time, the positioning column 923 is located directly under the positioning hole 430, and the lifting cylinder 913 pushes the turntable 921 and the rotating cylinder 922 to rise, positioning The column 923 enters the positioning hole 430, activates the rotating cylinder 922, drives the material rack 400 to rotate 180°, the lifting cylinder 913 is reset, the material rack 400 falls to the conveyors 111 on both sides, the positioning cylinder 113 descends, and the material rack 400 is moved by the conveyor 111 Continue to move forward to the finished product blanking station 300;

The empty material rack 400 can be moved from the material rack return line 110 through the transfer table 800 to the drive platform 710 at the finished product unloading station 300. At this time, the discharge port of the material rack 400 is still facing the main conveying line 500, and the lifting mechanism 700 drives the material rack 400 up and down to make the slot 410 flush with the surface of the main conveying line 500 in turn; the assembled finished product moves from the conveying front end of the pushing mechanism 600 to the conveying rear end, and the pushing mechanism 600 of the finished product unloading station 300 rises When it is flush with the surface of the main conveying line 500, the assembled products on the main conveying line 500 are pushed into the slot 410 in sequence;

When the material rack 400 is filled with the assembled finished products, the lifting mechanism 700 at the finished product unloading station 300 drives the driving platform 710 to ascend and descend so that the driving platform 710 corresponds to the unloading buffer table 310, and the lifting roller 712 rises upward and moves The material rack 400 is transported to the unloading buffer table 310, and the material rack 400 filled with the assembled products is transferred to the unloading buffer table 310, and then transported away from the unloading buffer table 310 to complete the unloading operation.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still understand the foregoing. The technical solutions described in the embodiments are modified, or some technical features thereof are equivalently replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (10)

1. A battery assembly material rack rotating mechanism is characterized in that, the material rack rotating mechanism is located between the support body loading station and the finished product unloading station, and the support body loading station is used to support the pre-stored support in the material rack. The bodies are placed on the main conveying line in turn, and the finished product unloading station is used to collect the assembled products on the main conveying line into the empty material rack in turn; The rack slewing mechanism is used to transport the empty rack after the loading station of the support body is loaded to the unloading station of the finished product. 2 . The battery assembly material rack rotating mechanism according to claim 1 , wherein a discharge port is formed on one side of the material rack, the discharge port faces the main conveying line, and the inner edge of the material rack is oriented. 3 . There are a plurality of slots for holding the support body evenly distributed in the vertical direction; The support body loading station and the finished product unloading station are distributed at both ends of the main conveying line, and both the support body loading station and the finished product unloading station include a pushing mechanism and a lifting mechanism, The pushing mechanism is adapted to the height position of the main conveying line. The material rack is arranged on the lifting mechanism, and the lifting mechanism can drive the material rack to rise and fall so that the slot is flush with the surface of the main conveying line. The pusher mechanism at the position can push the support body in the slot into the main conveying line; the pusher mechanism at the finished product unloading station can push the assembled product on the main conveying line into the slot. 3 . The battery assembly material rack rotating mechanism according to claim 2 , wherein the other side of the material rack opposite to the discharge port is provided with a limit bar for restricting the support body, and the limit The bars extend in the vertical direction and there are at least two. 4 . The battery assembly material rack rotation mechanism according to claim 3 , wherein the material rack rotation mechanism comprises a material rack return line, and the material rack return line extends from the feeding station of the support body. 5 . To the finished product unloading station, the return line of the material rack is parallel to the main conveying line; The lifting mechanism is also provided with a driving platform, the material rack is arranged on the driving platform, and the lifting mechanism can drive the driving platform to lift and lower so that the driving platform corresponds to the return line of the material rack; the driving platform of the feeding station of the support body can The material rack is transported to the material rack return line, and the material rack return line can transport the material rack to the drive platform of the finished product unloading station. 5 . The battery assembly material rack rotating mechanism according to claim 4 , wherein the material rack return line is located on the side of the main conveying line, and both ends of the material rack return line are distributed with 5 . The transfer table, the lifting mechanism can drive the driving platform to rise and fall so that the driving platform corresponds to the transfer table; The transfer table is provided with a transfer conveyor belt conveyed toward the direction of the driving platform and a conveying roller conveyed toward the direction of the return line of the material rack, and the conveying roller can be raised and lowered to be higher or lower than the transfer conveyor belt; The drive platform is provided with support plates located on both sides of the material rack and lifting rollers located between the support plates on both sides, the material rack is supported by the support plates on both sides, and the lifting rollers are conveyed toward the direction of the transfer table, The lift rollers can be raised and lowered to be higher or lower than the support plate. 6 . The battery assembly material rack rotating mechanism according to claim 5 , wherein the support body loading station further comprises a loading buffer table, and the finished product unloading station further comprises a blanking buffer table, and the loading buffer table 6 . Both the table and the unloading buffer table are provided with a buffer conveyor belt in the same conveying direction as the lifting roller, and the lifting mechanism can drive the driving platform to rise and fall so that the driving platform corresponds to the feeding buffer table or the unloading buffer table; When the driving platform corresponds to the feeding buffer table, the feeding buffer table can transport the material rack to the driving platform; when the driving platform corresponds to the feeding buffer table, the driving platform can transport the material rack to the feeding buffer table. 7. The battery assembly material rack rotating mechanism according to any one of claims 4 to 6, wherein the material rack return line comprises conveyors arranged in parallel on both sides of the material rack, and the There is a gap between the conveyors, and a turning mechanism is also arranged on the return line of the material rack. The turning mechanism is located between the conveyors on both sides. The turning mechanism includes a lifting device and a rotating device. The lifting device It can drive the rotating device up and down to make the rotating device higher or lower than the conveyors on both sides. When the rotating device is higher than the conveyors on both sides, it can support the material rack and drive the material rack to rotate 180°. 8 . The battery assembly material rack rotating mechanism according to claim 7 , wherein the lifting device comprises a base, a guide column, a lifting cylinder and a connecting plate, and the lifting cylinder is arranged on the base to drive the connecting plate to pass through 9 . The guide column slides on the base, and the rotating device includes a turntable and a rotating cylinder, and the rotating cylinder is fixed on the connecting plate and drives the turntable to rotate 180°. 9 . The battery assembly material rack rotating mechanism according to claim 8 , wherein the turntable is provided with a positioning column at an eccentric position, and the bottom of the material rack is provided with a positioning hole matched with the positioning column. 10 . , the return line of the material rack is provided with a travel switch at the front end of the conveying mechanism of the overturning mechanism, and a positioning cylinder is arranged at the rear end of the conveying of the overturning mechanism. When in contact with the material rack, the positioning post is located just below the positioning hole. 10 . The battery assembly material rack rotating mechanism according to claim 9 , wherein a buffering station is provided at the conveying front end of the turning mechanism on the return line of the material rack, and the buffering stations include 10 . The travel switch at the front end of the conveying and the positioning cylinder at the rear end of the conveying, the positioning cylinder can be lifted up to contact the material rack to limit the movement of the material rack.

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