Battery cell conveying device and power battery production line

Abstract

The utility model discloses a battery cell conveying device and a power battery production line. The battery cell conveying device comprises a rack, a conveying part and a plurality of trays, the conveying part comprises a conveying chain and a guide plate which are mounted on the rack, the guide plate and the conveying chain are arranged at intervals, the guide plate is located on at least one side in the conveying direction of the conveying chain, and the projection of the guide plate falls on the conveying surface of the conveying chain; the multiple trays are installed on the conveying face of the conveying chain and arranged at intervals in the circumferential direction of the conveying chain, and when the trays move to the side close to the guide plate along with the conveying chain, the trays can slide in the conveying direction of the conveying chain to abut against the guide plate. According to the scheme, the tray is supported through the guide plate, the tray is prevented from deviating due to the flexible characteristic of the conveying chain, so that the tray is positioned, subsequent detection is facilitated, the structure is simple, and the cost is low.

Description

Technical Field

[0001] The utility model relates to the technical field of battery cell conveying equipment, and in particular to a battery cell conveying device and a power battery production line. Background Art

[0002] In the production process of power batteries, the battery cell conveying device is an indispensable equipment for improving production efficiency. For example, patent CN212100559U discloses a battery cell conveying device, which drives the battery cell fixing fixture to move in a cycle through a chain to realize the transportation of the battery cells, and arranges a regularizing mechanism at the feeding end of the battery cell conveying device to regularize the battery cells, thereby ensuring the spatial position of the battery cells and facilitating the accuracy of subsequent cutting.

[0003] However, due to the flexibility of the chain, the battery cell fixing fixture on it may move the battery cells up and down during transportation. Performance testing is often required during battery cell transportation. At this time, the battery cell deviation caused by the flexible characteristics of the chain will have an adverse effect on the battery cell testing. Utility Model Content

[0004] The purpose of the utility model is to overcome the above-mentioned technical deficiencies, propose a battery cell conveying device and a power battery production line, and solve the technical problem in the prior art that the battery cell deviation movement caused by the flexible characteristics of the chain will have an adverse effect on the battery cell detection.

[0005] In order to achieve the above technical purpose, the utility model adopts the following technical solutions:

[0006] In a first aspect, the utility model provides a battery cell conveying device, comprising:

[0007] frame;

[0008] A conveying part, comprising a conveying chain and a guide plate installed on the frame, wherein the guide plate is spaced apart from the conveying chain and its projection falls on a conveying surface of the conveying chain; and

[0009] A plurality of pallets are mounted on the conveying surface of the conveying chain and are spaced apart along the circumference of the conveying chain. When the pallets follow the conveying chain to move to a side close to the guide plate, they can slide along the conveying direction of the conveying chain and press against the guide plate.

[0010] In some embodiments, the battery cell conveying device also includes multiple groups of rollers, and the multiple groups of rollers are respectively arranged on multiple trays, and each group of rollers is installed at one end of the corresponding tray away from the conveying chain, so that they can roll and press against the guide plate when following the conveying chain to move to the side close to the guide plate.

[0011] In some embodiments, the guide plate is extended along the conveying direction of the conveying chain, and each group of rollers is provided with a plurality of rollers;

[0012] Wherein, the plurality of rollers are arranged at intervals along the extension direction of the guide plate, and / or the plurality of rollers are arranged at intervals along the thickness direction of the conveying chain.

[0013] In some embodiments, the tray has a mounting groove with an opening on one side, the opening is located on a side of the tray away from the conveying chain, and the mounting groove is used to install the battery cell;

[0014] There are two guide plates, which are spaced apart along the thickness direction of the conveying chain, and the two ends of the tray in the thickness direction of the conveying chain slide and press against the two guide plates.

[0015] In some embodiments, the guide plate has a feed side and a discharge side located in the conveying direction of the conveying chain, and the tray follows the conveying chain to slide from the feed side to press against the guide plate, and slides away from the guide plate from the discharge side;

[0016] A guide surface is formed at one end of the guide plate close to the feed side, and the guide surface is inclined toward the conveying chain from the end close to the feed side to the end away from the feed side.

[0017] In some embodiments, the battery cell conveying device further includes a driving gear and a transmission gear, wherein the driving gear and the transmission gear are rotatably mounted on the frame, and are arranged at intervals in the horizontal direction and are respectively engaged with the inner side of the conveying chain;

[0018] The guide plate is arranged below the conveying chain, and the tray slides and presses against the upper side of the guide plate when following the conveying chain to move to a side close to the guide plate.

[0019] In some embodiments, the conveyor chain is provided with a plurality of groups, and the plurality of groups of the conveyor chains are arranged at intervals along the thickness direction thereof;

[0020] Each of the trays is arranged across the conveying surfaces of a plurality of groups of conveying chains.

[0021] In some embodiments, the outer chain plate of the conveyor chain is provided with a connecting plate extending along the thickness direction thereof, and the connecting plate is provided with a connecting hole;

[0022] The tray is provided with a fixing hole corresponding to the connecting hole, and the battery cell conveying device also includes a fixing bolt and a fixing nut, the fixing bolt is sequentially passed through the fixing hole and the connecting hole, and the fixing nut is screwed on one end of the fixing bolt extending out of the connecting hole.

[0023] In some embodiments, the battery cell conveying device also includes a trigger sensor and a plurality of trigger plates, the trigger sensor is installed on the frame, and the plurality of trigger plates are respectively installed on the plurality of trays, and each of the trigger plates triggers the trigger sensor when it approaches the trigger sensor.

[0024] In a second aspect, the utility model also provides a power battery production line, which includes a battery cell conveying device as described in any one of the above items.

[0025] Compared with the prior art, in the battery cell conveying device provided by the utility model, a guide plate is arranged on at least one side opposite to the conveying surface of the conveying chain, so that the pallet can always slide and press against the guide plate during the process of following the conveying chain. In this way, the guide plate supports the pallet, preventing the pallet from being offset due to the flexible characteristics of the conveying chain, thereby realizing the positioning of the pallet, facilitating subsequent inspection, and has a simple structure and low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of a battery cell conveying device provided in an embodiment of the utility model;

[0027] Figure 2 yes Figure 1 Schematic diagram of the partial structure of the battery cell conveying device;

[0028] Figure 3 yes Figure 1 Another partial structural schematic diagram of the battery cell conveying device;

[0029] Figure 4 yes Figure 1 A schematic diagram of the structure of the middle guide plate;

[0030] Figure 5 yes Figure 1 Schematic diagram of the structure of the middle pallet and conveyor chain (partial).

[0031] Description of reference numerals:

[0032] 1. Frame; 2. Conveying part; 21. Conveying chain; 211. Conveying surface; 212. Outer chain plate; 213. Connecting plate; 213a. Connecting hole; 22. Guide plate; 22a. Feeding side; 22b. Discharging side; 221. Guide surface; 3. Tray; 3a. Mounting groove; 3b. Fixing hole; 4. Roller; 5. Driving gear; 6. Transmission gear; 7. Trigger plate; 8. Trigger sensor. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0034] In order to solve the technical problem that the deviation of battery cells caused by the flexible characteristics of the chain will have an adverse effect on battery cell detection, the utility model provides a battery cell conveying device, which can prevent the pallet from deviating due to the flexible characteristics of the conveying chain, thereby achieving positioning of the pallet, facilitating subsequent detection, and has a simple structure and low cost.

[0035] It should be noted that the battery cell conveying device described in the present invention is used for but not limited to power battery production lines, etc. For the convenience of explanation, in the present invention, only the battery cell conveying device applied to a power battery production line is used as an example for explanation, and the principle of applying the battery cell conveying device to other types of equipment is essentially the same as the principle applied to the power battery production line, which will not be repeated here.

[0036] See also Figure 1 and Figure 2 , Figure 1 and Figure 2 It is a structural schematic diagram of a battery cell conveying device in an embodiment of the utility model, wherein the battery cell conveying device includes a frame 1, a conveying part 2 and a plurality of trays 3; the conveying part 2 includes a conveying chain 21 and a guide plate 22 installed on the frame 1, the guide plate 22 is spaced apart from the conveying chain 21, and its projection falls on the conveying surface 211 of the conveying chain 21; a plurality of trays 3 are installed on the conveying surface 211 of the conveying chain 21, and are spaced apart along the circumference of the conveying chain 21, and when the trays 3 follow the conveying chain 21 to move to a side close to the guide plate 22, they can slide along the conveying direction of the conveying chain 21 and be pressed against the guide plate 22.

[0037] In the battery cell conveying device provided by the utility model, a guide plate 22 is provided on at least one side directly opposite to the conveying surface 211 of the conveying chain 21, so that the tray 3 can always slide and press against the guide plate 22 during the process of following the conveying chain 21. In this way, the guide plate 22 supports the tray 3, and avoids the tray 3 from being offset due to the flexible characteristics of the conveying chain 21, thereby realizing the positioning of the tray 3, facilitating subsequent detection, and having a simple structure and low cost. It should be understood that the conveying surface 211 of the conveying chain 21 is the outer ring side thereof.

[0038] In one embodiment, see Figure 2 and Figure 3The battery cell conveying device also includes multiple groups of rollers 4, which are respectively arranged on multiple trays 3. Each group of rollers 4 is installed at one end of the corresponding tray 3 away from the conveying chain 21, so that they can roll and press against the guide plate 22 when following the conveying chain 21 to move to the side close to the guide plate 22.

[0039] In this embodiment, when the tray 3 follows the conveyor chain 21 to move to the side close to the guide plate 22, the roller 4 on the tray 3 rolls and presses against the guide plate 22, so that the guide plate 22 not only supports the tray 3, but also makes the tray 3 move more smoothly relative to the guide plate 22.

[0040] In one embodiment, the guide plate 22 is extended along the conveying direction of the conveying chain 21, and each group of rollers 4 is provided with multiple rollers; wherein the multiple rollers 4 are spaced apart along the extension direction of the guide plate 22, and / or the multiple rollers 4 are spaced apart along the thickness direction of the conveying chain 21.

[0041] In this embodiment, the guide plate 22 is extended along the conveying direction of the conveyor chain 21 to support each pallet 3 in the extension direction of the conveyor chain 21, further reducing the adverse effects of the flexible characteristics of the conveyor chain 21; and a plurality of rollers 4 are respectively arranged along the extension direction of the guide plate 22 and the thickness direction of the conveyor chain 21 to increase the support points between the pallet 3 and the guide plate 22, so that the guide plate 22 can support the pallet 3 more stably and reliably.

[0042] In one embodiment, the tray 3 has a mounting groove 3a with an opening on one side, and the opening is located on the side of the tray 3 away from the conveying chain 21, and the mounting groove 3a is used to install the battery cell; two guide plates 22 are provided, and the two guide plates 22 are spaced apart along the thickness direction of the conveying chain 21, and the tray 3 slides and presses against the two guide plates 22 at both ends of the conveying chain 21 in the thickness direction.

[0043] In this embodiment, two guide plates 22 are provided at the same time, and the two guide plates 22 are supported at intervals on both sides of the open end of the tray 3, so as to realize the support of the tray 3 and improve the stability of the tray 3 during the conveying process. In addition, in this embodiment, there are multiple groups of conveying chains 21, and the multiple groups of conveying chains 21 are arranged at intervals along the thickness direction; each tray 3 is arranged across the conveying surface 211 of the multiple groups of conveying chains 21. In this way, the tray 3 can be driven to move at the same time by the multiple groups of conveying chains 21. Specifically, in this solution, there are two groups of conveying chains 21.

[0044] In one embodiment, see Figure 4The guide plate 22 has a feed side 22a and a discharge side 22b located in the conveying direction of the conveying chain 21. The tray 3 follows the conveying chain 21 and slides from the feed side 22a to press against the guide plate 22, and slides away from the guide plate 22 from the discharge side 22b; wherein, a guide surface 221 is formed at one end of the guide plate 22 close to the feed side 22a, and the guide surface 221 is inclined toward the conveying chain 21 from one end close to the feed side 22a to one end away from the feed side 22a.

[0045] In this embodiment, a guide surface 221 is provided on the guide side of the guide plate 22 so that when the roller 4 approaches the guide plate 22 from the feed side 22a, it can be pressed against the upper side surface of the guide plate 22 along the guide surface 221. In this way, on the one hand, interference between the tray 3 and the guide plate 22 is avoided, and on the other hand, the guide plate 22 is extended as much as possible to cover and support more trays 3.

[0046] In one embodiment, the battery cell conveying device also includes a driving gear 5 and a transmission gear 6, which are rotatably installed on the frame 1, and are arranged at intervals in the horizontal direction, and are respectively engaged with the inner side of the conveying chain 21; wherein the guide plate 22 is arranged below the conveying chain 21, and the tray 3 slides and presses against the upper side of the guide plate 22 when following the conveying chain 21 to move to the side close to the guide plate 22.

[0047] In this embodiment, the conveyor chain 21 is horizontally arranged, and the guide plate 22 is arranged below the conveyor chain 21 to support the tray 3 below the conveyor chain 21 , thereby effectively preventing the tray 3 below the conveyor chain 21 from deflecting.

[0048] In one embodiment, see Figure 5 The outer link plate 212 of the conveying chain 21 is provided with a connecting plate 213 extending along its thickness direction, and the connecting plate 213 is provided with a connecting hole 213a; the tray 3 is provided with a fixing hole 3b corresponding to the connecting hole 213a, and the battery cell conveying device also includes a fixing bolt and a fixing nut, the fixing bolt is sequentially passed through the fixing hole 3b and the connecting hole 213a, and the fixing nut is screwed on one end of the fixing bolt extending out of the connecting hole 213a.

[0049] In this embodiment, the fixed connection between the pallet 3 and the conveyor chain 21 is achieved by the cooperation of the fixing bolts and the fixing nuts, and the structure is simple and reliable. It should be noted that in this solution, each outer link plate 212 of the conveyor chain 21 is provided with a connecting plate 213, so that the installation position of the pallet 3 can be adjusted according to needs, and the spacing between adjacent pallets 3 can be adjusted.

[0050] In one embodiment, the battery cell conveying device also includes a trigger sensor 8 and a plurality of trigger plates 7. The trigger sensor 8 is installed on the frame 1. The plurality of trigger plates 7 are respectively installed on the plurality of trays 3. Each trigger plate 7 triggers the trigger sensor 8 when it approaches the trigger sensor 8.

[0051] In this embodiment, a trigger plate 7 is provided on each tray 3, and when the tray 3 passes through a preset position, the trigger sensor 8 can be triggered to send a corresponding signal. It should be noted that the specific structure and principle of the trigger sensor 8 are prior art and will not be described in detail here.

[0052] In addition, the utility model also provides a power battery production line, which includes a cell conveying device as described in any one of the above. It should be noted that the detailed structure of the cell conveying device of the power battery production line can refer to the above-mentioned embodiment of the cell conveying device, which will not be repeated here; since the above-mentioned cell conveying device is used in the power battery production line of the utility model, the embodiment of the power battery production line of the utility model includes all technical solutions of all embodiments of the above-mentioned cell conveying device, and the technical effects achieved are also exactly the same, which will not be repeated here.

[0053] In order to better understand the present invention, the following Figures 1 to 5 The technical solution of the utility model is described in detail:

[0054] When the tray 3 follows the conveyor chain 21 to move to the feed side 22a close to the guide plate 22, the roller 4 on the tray 3 first presses against the guide surface 221, then rolls along the guide surface 221 to the upper end surface of the guide plate 22, and continues to follow the conveyor chain 21 to move in the direction of the discharge side 22b of the guide plate 22. During the rolling process, the guide plate 22 can effectively support the tray 3 via the roller 4, thereby preventing the tray 3 from offsetting due to the flexible characteristics of the conveyor chain 21, thereby realizing the positioning of the tray 3, facilitating subsequent inspection, and having a simple structure and low cost.

[0055] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A battery cell conveying device, characterized in that: include: frame; A conveying part, comprising a conveying chain and a guide plate installed on the frame, wherein the guide plate is spaced apart from the conveying chain and its projection falls on a conveying surface of the conveying chain; and A plurality of pallets are mounted on the conveying surface of the conveying chain and are spaced apart along the circumference of the conveying chain. When the pallets follow the conveying chain to move to a side close to the guide plate, they can slide along the conveying direction of the conveying chain and press against the guide plate.

2. The battery cell conveying device according to claim 1, characterized in that: The battery cell conveying device also includes multiple groups of rollers, which are respectively arranged on multiple trays. Each group of rollers is installed at one end of the corresponding tray away from the conveying chain so that they can roll and press against the guide plate when following the conveying chain to move to the side close to the guide plate.

3. The battery cell conveying device according to claim 2, characterized in that: The guide plate is extended along the conveying direction of the conveying chain, and each group of rollers is provided with a plurality of rollers; Wherein, the plurality of rollers are arranged at intervals along the extension direction of the guide plate, and / or the plurality of rollers are arranged at intervals along the thickness direction of the conveying chain.

4. The battery cell conveying device according to any one of claims 1 to 3, characterized in that: The tray has a mounting groove with an opening on one side, the opening is located on a side of the tray away from the conveying chain, and the mounting groove is used to install the battery cell; There are two guide plates, which are spaced apart along the thickness direction of the conveying chain, and the two ends of the tray in the thickness direction of the conveying chain slide and press against the two guide plates.

5. The battery cell conveying device according to claim 1, characterized in that: The guide plate has a feeding side and a discharging side located in the conveying direction of the conveying chain, and the tray follows the conveying chain to slide from the feeding side to press against the guide plate, and slides away from the guide plate from the discharging side; A guide surface is formed at one end of the guide plate close to the feed side, and the guide surface is inclined toward the conveying chain from the end close to the feed side to the end away from the feed side.

6. The battery cell conveying device according to claim 1, characterized in that: The cell conveying device further comprises a driving gear and a transmission gear, wherein the driving gear and the transmission gear are rotatably mounted on the frame, are arranged at intervals in the horizontal direction, and are respectively meshed with the inner side of the conveying chain; The guide plate is arranged below the conveying chain, and the tray slides and presses against the upper side of the guide plate when following the conveying chain to move to a side close to the guide plate.

7. The battery cell conveying device according to claim 1, characterized in that: The conveyor chains are provided with a plurality of groups, and the plurality of groups of conveyor chains are arranged at intervals along the thickness direction thereof; Each of the trays is arranged across the conveying surfaces of a plurality of groups of conveying chains.

8. The battery cell conveying device according to claim 1, characterized in that: The outer link plate of the conveying chain is provided with a connecting plate extending along the thickness direction thereof, and the connecting plate is provided with a connecting hole; The tray is provided with a fixing hole corresponding to the connecting hole, and the battery cell conveying device also includes a fixing bolt and a fixing nut, the fixing bolt is sequentially passed through the fixing hole and the connecting hole, and the fixing nut is screwed on one end of the fixing bolt extending out of the connecting hole.

9. The battery cell conveying device according to claim 1, characterized in that: The battery cell conveying device also includes a trigger sensor and a plurality of trigger plates. The trigger sensor is mounted on the frame, and the plurality of trigger plates are respectively mounted on the plurality of trays. Each of the trigger plates triggers the trigger sensor when it approaches the trigger sensor.

10. A power battery production line, characterized in that: It comprises a battery cell conveying device as described in any one of claims 1 to 9.

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