Conveying mechanism and battery piece production line

Abstract

The utility model discloses a conveying mechanism and a battery piece production line, and the conveying mechanism comprises a carrier which is used for bearing materials and is provided with a first limiting part; the first driving assembly comprises a first bearing part, the first bearing part is used for bearing the carrier, and the first bearing part can transfer the carrier in the first direction; the second driving assembly comprises a second bearing piece, the second bearing piece is used for bearing the carrier, a second limiting part is arranged on the second bearing piece, and the second bearing piece can move the carrier in the second direction; the first bearing piece moves to a preset position in the first direction, the carrier is located on the first bearing piece and the second bearing piece, the second limiting part can be matched with the first limiting part, and the second bearing piece moves in the second direction to drive the carrier to move in the second direction. According to the technical scheme, the structure is simple, and the conveying efficiency is high.

Description

Technical Field

[0001] This application belongs to the technical field of photovoltaic module production equipment, and particularly relates to a conveying mechanism and a battery cell production line. Background Art

[0002] In the prior art, the conveying mechanism usually transfers materials in one direction. If materials need to be transferred in two directions, a transfer mechanism is usually set in the middle to move the materials from one conveying component to another to change the direction of the materials. However, this structure is complex and the transfer efficiency is low. Summary of the Utility Model

[0003] The purpose of the embodiments of this application is to provide a conveying mechanism and a battery cell production line.

[0004] According to the first aspect of the embodiments of this application, a conveying mechanism is provided, including:

[0005] A carrier for carrying materials, and a first limiting part is arranged on the carrier;

[0006] A first driving component, the first driving component includes a first carrier for carrying the carrier, and the first carrier can transfer the carrier along a first direction;

[0007] A second driving component, the second driving component includes a second carrier for carrying the carrier, a second limiting part is arranged on the second carrier, and the second carrier can move the carrier along a second direction;

[0008] When the first carrier moves to a preset position along the first direction, the carrier is located on the first carrier and the second carrier, the second limiting part can cooperate with the first limiting part, and the second carrier moves along the second direction to drive the carrier to move along the second direction.

[0009] Optionally, the carrier includes a first end face at one end of the carrier close to the second driving component, and the first limiting part is arranged on the first end face;

[0010] The second carrier includes a stop block and a first carrier plate for carrying the carrier, the first carrier plate is connected to the stop block, and the second limiting part is arranged at one end of the stop block facing the carrier.

[0011] Optionally, the first limiting part includes at least one first limiting block, the second limiting part includes at least one first limiting groove, and the first limiting block can be embedded in the first limiting groove.

[0012] Optionally, the vehicle is provided with a third limiting portion, the first carrier is provided with a fourth limiting portion, the vehicle is located on the first carrier, and the third limiting portion can cooperate with the fourth limiting portion.

[0013] Optionally, the vehicle further includes a second end face, the second end face intersects with the first end face, the second end face faces the first carrier, and the third limiting portion is arranged on the second end face;

[0014] The fourth limiting portion is arranged on the end face of the first carrier facing the second end face and is located at one end away from the second driving assembly.

[0015] Optionally, the third limiting portion includes at least one second limiting block; the fourth limiting portion includes at least one second limiting groove, and the second limiting block can be embedded in the second limiting groove.

[0016] Optionally, the conveying mechanism further includes a bottom plate;

[0017] A guide rail is arranged on the bottom plate, the length direction of the guide rail is the first direction, a slider is arranged at one end of the first carrier facing the bottom plate, the slider is slidably connected with the guide rail, and the first carrier moves relative to the bottom plate in the first direction.

[0018] Optionally, a first positioning sensor is arranged on the bottom plate, and the first positioning sensor is used for detecting the position of the first carrier; and / or

[0019] A second positioning sensor is arranged on the bottom plate, and the second positioning sensor is used for detecting the position of the second carrier.

[0020] Optionally, the first driving assembly further includes a first driving member, the driving end of the first driving member is connected to the first carrier, and the first driving member can drive the first carrier to move in the first direction; and / or

[0021] The second driving assembly further includes a second driving member, the driving end of the second driving member is connected to the second carrier, and the second driving member can drive the second carrier to move in the second direction.

[0022] According to the second aspect of the embodiments of the present application, a battery cell production line is provided, including the above-mentioned conveying mechanism.

[0023] One technical effect of the embodiments of the present application is that it can realize the transfer of materials in the first direction and the second direction, has a simple structure, and improves the conveying efficiency.

[0024] Other features and advantages of the present application will become apparent from the following detailed description of exemplary embodiments of the present application with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the application and, together with the description, serve to explain the principles of the application.

[0026] Figure 1 Schematic diagram of the structure of the conveying mechanism in the embodiment of the present application;

[0027] Figure 2 Schematic diagram of the structure of the conveying mechanism in the embodiment of the present application;

[0028] Figure 3 Schematic diagram of the structure of the conveying mechanism in the embodiment of the present application;

[0029] Figure 4 Schematic diagram of the structure of the conveying mechanism in the embodiment of the present application;

[0030] Figure 5 Schematic diagram of the structure of the conveying mechanism in an embodiment of the present application.

[0031] Explanation of the accompanying drawings: carrier 1; first limiting portion 11; third limiting portion 12; first end face 13; second end face 14; first driving assembly 2; first driving member 21; first supporting member 22; fourth limiting portion 221; second driving assembly 3; second driving member 31; second supporting member 32; block 321; first supporting plate 322; second limiting portion 323; accommodating space 324; bottom plate 4; guide rail 41; first positioning sensor 5; second positioning sensor 6; third positioning sensor 7. DETAILED DESCRIPTION

[0032] Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that unless otherwise specifically stated, the relative arrangements of components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application.

[0033] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the present disclosure, its application, or uses.

[0034] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered part of the specification.

[0035] In all the examples shown and discussed here, any specific value should be construed as merely exemplary and not as a limitation. Therefore, other examples of the exemplary embodiments may have different values.

[0036] It should be noted that like reference numerals and letters denote like items in the following figures, and thus, once an item is defined in one figure, it does not need to be further discussed in subsequent figures.

[0037] First, it should be noted that the first direction and the second direction mentioned in the embodiments of the present application refer to the directions marked in the attached Figure 2 drawings. Among them, the first direction and the second direction intersect.

[0038] As Figures 1 - 5 shown, according to the first aspect of the embodiments of the present application, a conveying mechanism is provided, including a carrier 1, a first driving assembly 2, and a second driving assembly 3; the carrier 1 is used for carrying materials, and a first limiting portion 11 is provided on the carrier 1; the first driving assembly 2 includes a first carrier 22, the first carrier 22 is used for carrying the carrier 1, and the first carrier 22 can move the carrier 1 along the first direction; the second driving assembly 3 includes a second carrier 32, the second carrier 32 is used for carrying the carrier 1, a second limiting portion 323 is provided on the second carrier 32, and the second carrier 32 can move the carrier 1 along the second direction; when the first carrier 22 moves to a preset position along the first direction, the carrier 1 is located on the first carrier 22 and the second carrier 32, and the second limiting portion 323 can cooperate with the first limiting portion 11, and the second carrier 32 moves along the second direction to drive the carrier 1 to move along the second direction.

[0039] The present application provides a conveying mechanism for moving materials. Among them, it can be used to move NG materials or OK materials on a battery production line.

[0040] As Figures 1 - 5 shown, the conveying mechanism includes a carrier 1, a first driving assembly 2, and a second driving assembly 3. Among them, the carrier 1 is used for carrying materials, that is to say, the materials are placed on the carrier 1 for material transfer.

[0041] Further, the first driving assembly 2 includes a first carrier 22, and the first carrier 22 is used for carrying the carrier 1, that is to say, the carrier 1 is placed on the first carrier 22, and the first carrier 22 can move along the first direction, so the first carrier 22 can drive the carrier 1 to move in the first direction; for example, an unloading mechanism is upstream of the first driving assembly 2, and the unloading mechanism places the materials in the carrier 1 located on the first carrier 22, and the first carrier 22 moves along the first direction, thereby moving the materials in the first direction.

[0042] Further explanation, the second driving assembly 3 includes a second carrier 32, and the second carrier 32 is used to carry the vehicle 1. That is to say, the vehicle 1 can be placed on the second carrier 32, and the second carrier 32 can move along the second direction. Therefore, the second carrier 32 can drive the vehicle 1 to move in the second direction.

[0043] Specifically, a first limiting portion 11 is provided on the vehicle 1, a second limiting portion 323 is provided on the second carrier 32, the second driving assembly 3 is arranged at one end of the first driving assembly 2, and the first carrier 22 can move closer to the second driving assembly 3 along the first direction. When the first carrier 22 moves to a preset position, the vehicle 1 located on the first carrier 22 will also be located on the second carrier 32 at the same time, and the first limiting portion 11 will cooperate with the second limiting portion 323. When the second carrier 32 moves along the second direction, due to the cooperation between the first limiting portion 11 and the second limiting portion 323, the vehicle 1 will move along with the second carrier 32, so as to realize the transfer of materials in the second direction.

[0044] The conveying mechanism provided by the embodiment of the present application can realize the transfer of materials in the first direction and the second direction, and its structure is simple; and compared with the prior art which moves through a transfer mechanism, the conveying efficiency is also improved.

[0045] In an optional embodiment, the vehicle 1 includes a first end face 13, the first end face 13 is located at one end of the vehicle 1 close to the second driving assembly 3, and the first limiting portion 11 is arranged on the first end face 13; the second carrier 32 includes a stop block 321 and a first carrier plate 322, the first carrier plate 322 is used to carry the vehicle 1, the first carrier plate 322 is connected to the stop block 321, and the second limiting portion 323 is arranged at one end of the stop block 321 facing the vehicle 1.

[0046] As Figure 2 、 Figure 3 and Figure 4 shown, the vehicle 1 has a first end face 13, and the first end face 13 is located at one end of the vehicle 1 close to the second driving assembly 3. In other words, when the vehicle 1 is located on the first carrier 22, the first end face 13 faces the second driving assembly 3, and the first limiting portion 11 is arranged on the first end face 13.

[0047] As Figure 2 、 Figure 3 and Figure 4As shown, the second carrier 32 includes a stopper 321 and a first carrier plate 322. The first carrier plate 322 is used to carry the vehicle 1. That is to say, the vehicle 1 can be located on the first carrier plate 322. The second carrier 32 can move in the second direction. Therefore, the second carrier 32 can drive the vehicle 1 to move in the second direction.

[0048] Specifically, the first carrier plate 322 is connected to the stopper 321. A second limiting portion 323 is provided at one end of the stopper 321 facing the vehicle 1. That is, when the vehicle 1 is located on the first carrier plate 322, a second limiting portion 323 is provided at one end of the stopper 321 close to the first carrier plate 322. Therefore, when the vehicle 1 is located on the first carrier plate 322, the second limiting portion 323 will cooperate with the first limiting portion 11. Therefore, when the second carrier 32 moves in the second direction, it can drive the vehicle 1 to move in the second direction.

[0049] In a specific embodiment, the first carrier plate 322 and the stopper 321 are angularly connected, and an accommodating space 324 will be formed between the first carrier plate 322 and the stopper 321. When the first carrier 22 moves to a preset position in the first direction, the first carrier 22 can move into the accommodating space 324. That is, the first carrier 22 and the first carrier plate 322 are adjacent in the second direction, and the first carrier 22 and the stopper 321 are adjacent in the first direction. Therefore, the vehicle 1 can be located on both the first carrier 22 and the first carrier plate 322 at the same time.

[0050] In a specific embodiment, the first limiting portion 11 can be a limiting groove, and the second limiting portion 323 can be a limiting block. The limiting block is embedded in the limiting groove, so as to realize the cooperation relationship between the vehicle 1 and the second carrier 32.

[0051] In another alternative embodiment, the first limiting portion 11 includes at least one first limiting block, the second limiting portion 323 includes at least one first limiting groove, and the first limiting block can be embedded in the first limiting groove.

[0052] As Figure 2 and Figure 3 shown, the first limiting portion 11 includes at least one first limiting block. That is to say, at least one first limiting block is provided on the first end face 13 of the vehicle 1. Compared with providing a limiting groove on the first end face 13 of the vehicle 1, when providing a first limiting block on the first end face 13, it is not necessary for the component where the first end face 13 is located to be set thicker, so as to reduce the weight of the vehicle 1.

[0053] The second limiting part 323 includes at least one first limiting groove. That is to say, at least one first limiting groove is formed at one end of the stopper 321 facing the carrier 1. When the carrier 1 is located on the first carrier 22 and the first carrier plate 322 at the same time, the first limiting block can be embedded in the first limiting groove.

[0054] Specifically, when the first limiting block is embedded in the first limiting groove, the first limiting groove can limit the movement of the first limiting block in the second direction and limit the first limiting block from continuing to move in the first direction towards the stopper 321.

[0055] In a preferred embodiment, the first limiting part 11 includes two first limiting blocks, and the two first limiting blocks are arranged at intervals in the second direction. The second limiting part 323 includes two first limiting grooves, and the two first limiting grooves are arranged at intervals in the second direction. One of the first limiting blocks cooperates with one of the first limiting grooves, and the other first limiting block cooperates with the other first limiting groove. By providing two first limiting blocks and two first limiting grooves, the movement stability of the second carrier 32 driving the carrier 1 in the second direction can be improved.

[0056] In an alternative embodiment, the carrier 1 is provided with a third limiting part 12, the first carrier 22 is provided with a fourth limiting part 221, and when the carrier 1 is located on the first carrier 22, the third limiting part 12 can cooperate with the fourth limiting part 221.

[0057] Such as Figure 4 and Figure 5 As shown, the carrier 1 is provided with a third limiting part 12, and the first carrier 22 is provided with a fourth limiting part 221. When the carrier 1 is located on the first carrier 22 and the first carrier 22 moves from the blanking mechanism in the first direction towards the second carrier 32, the third limiting part 12 cooperates with the fourth limiting part 221, so as to be able to limit the movement of the carrier 1 in the second direction, thereby avoiding the risk of the carrier 1 shaking or moving in the second direction and falling off the first carrier 22 during the movement.

[0058] In an alternative embodiment, the carrier 1 further includes a second end face 14, the second end face 14 intersects with the first end face 13, the second end face 14 faces the first carrier 22, and the third limiting part 12 is arranged on the second end face 14; the fourth limiting part 221 is arranged on the end face of the first carrier 22 facing the second end face 14 and is located away from one end of the second driving assembly 3.

[0059] Such as Figure 4 and Figure 5As shown, the vehicle 1 further includes a second end face 14, which intersects with the first end face 13. The second end face 14 faces the first carrier 22, and the third limiting portion 12 is provided on the second end face 14.

[0060] The fourth limiting portion 221 is provided on the end face of the first carrier 22 facing the second end face 14, and the third limiting portion 12 is provided on the second end face 14, so as to facilitate the cooperation between the third limiting portion 12 and the fourth limiting portion 221. Moreover, the fourth limiting portion 221 is located at one end of the first carrier 22 away from the second driving assembly 3. When the first carrier 22 moves close to the second driving assembly 3 in the first direction and moves to a preset position, the first limiting portion 11 cooperates with the second limiting portion 323 to limit the further movement of the vehicle 1. When the first carrier 22 continues to move, the cooperation relationship between the third limiting portion 12 and the fourth limiting portion 221 can be released, so that the material can be transferred by moving the second carrier 32 in the second direction.

[0061] In a specific embodiment, the third limiting portion 12 can be a limiting groove, and the fourth limiting portion 221 can be a limiting block. The limiting block is embedded in the limiting groove to realize the cooperation relationship between the vehicle 1 and the first carrier 22.

[0062] In an alternative embodiment, the third limiting portion 12 includes at least one second limiting block; the fourth limiting portion 221 includes at least one second limiting groove, and the second limiting block can be embedded in the second limiting groove.

[0063] As Figure 4 and Figure 5 shown, the third limiting portion 12 includes at least one second limiting block. That is to say, at least one second limiting block is provided on the second end face 14 of the vehicle 1. Compared with setting a limiting groove on the second end face 14 of the vehicle 1, setting a second limiting block on the second end face 14 does not require the component where the second end face 14 is located to be set thicker, so as to reduce the weight of the vehicle 1.

[0064] As Figure 4 and Figure 5 shown, the fourth limiting portion 221 includes at least one second limiting groove. That is to say, at least one second limiting groove is formed on the first carrier 22. When the vehicle 1 is located on the first carrier 22, the second limiting block can be embedded in the second limiting groove.

[0065] Specifically, when the second limiting block is embedded in the second limiting groove, the second limiting groove can limit the movement of the second limiting block in the second direction and can limit the movement of the second limiting block relative to the first carrier 22 along the moving direction of the first carrier 22.

[0066] In a preferred embodiment, the third limiting portion 12 includes two second limiting blocks, the two second limiting blocks are arranged at intervals in the second direction, the fourth limiting portion 221 includes two second limiting grooves, the two second limiting grooves are arranged at intervals in the second direction, one of the second limiting blocks is matched with one of the second limiting grooves, and the other second limiting block is matched with the other second limiting groove. By providing the two second limiting blocks and the two second limiting grooves, the moving stability of the first carrier 22 and the carrier 1 in the first direction can be improved.

[0067] In an alternative embodiment, the conveying mechanism further includes a bottom plate 4; a guide rail 41 is provided on the bottom plate 4, the length direction of the guide rail 41 is the first direction, a slider is provided at one end of the first carrier 22 facing the bottom plate 4, the slider is slidably connected to the guide rail 41, and the first carrier 22 moves relative to the bottom plate 4 in the first direction.

[0068] As Figure 2 and Figure 3 shown, the conveying mechanism further includes a bottom plate 4, and a guide rail 41 arranged in the first direction is provided on the bottom plate 4. In other words, the length direction of the guide rail 41 is the first direction; a slider is provided at one end of the first carrier 22 facing the bottom plate 4, and the slider is slidably connected to the guide rail 41. When the first carrier 22 moves in the first direction, the slider located on the first carrier 22 will move relative to the guide rail 41 in the first direction, thereby improving the moving stability of the first carrier 22.

[0069] In an alternative embodiment, a first positioning sensor 5 is provided on the bottom plate 4, and the first positioning sensor 5 is used to detect the position of the first carrier 22; and / or a second positioning sensor 6 is provided on the bottom plate 4, and the second positioning sensor 6 is used to detect the position of the second carrier 32.

[0070] In a specific embodiment, a first positioning sensor 5 is provided on the bottom plate 4. [[ID=<<MASK_E>>18]]

[0071] In another specific embodiment, a second positioning sensor 6 is provided on the bottom plate 4.

[0072] In another specific embodiment, a first positioning sensor 5 and a second positioning sensor 6 are provided on the bottom plate 4. This embodiment will be described as an example.

[0073] Specifically, as Figure 2As shown, a first positioning sensor 5 is provided on the bottom plate 4. The first positioning sensor 5 is arranged at one end close to the second driving component 3. When the first carrier 22 moves along the first direction towards the second driving component 3, the first positioning sensor 5 can detect the position of the first carrier 22. When the first positioning sensor 5 detects the first carrier 22, that is, when the first carrier 22 reaches the preset position, the first carrier 22 stops moving.

[0074] As Figure 5 shown, a second positioning sensor 6 is also provided on the bottom plate 4. When the second carrier 32 moves along the second direction, the second positioning sensor 6 can detect the position of the second carrier 32. When the second positioning sensor 6 detects the second carrier 32, that is, when the second carrier 32 reaches the preset position, the second carrier 32 stops moving.

[0075] In a preferred embodiment, as Figure 3 shown, a third positioning sensor 7 is also provided on the bottom plate 4. The third positioning sensor 7 is arranged at one end away from the second driving component 3. The third positioning sensor 7 and the first positioning sensor 5 are spaced apart in the first direction; the third positioning sensor 7 is used to detect the position reached by the first carrier 22 when it moves along the first direction away from the second driving component 3.

[0076] Among them, the first positioning sensor 5, the second positioning sensor 6 and the third positioning sensor 7 can all adopt photoelectric sensors.

[0077] In an alternative embodiment, the first driving component 2 further includes a first driving member 21. The driving end of the first driving member 21 is connected to the first carrier 22. The first driving member 21 can drive the first carrier 22 to move along the first direction; and / or the second driving component 3 further includes a second driving member 31. The driving end of the second driving member 31 is connected to the second carrier 32. The second driving member 31 can drive the second carrier 32 to move along the second direction.

[0078] In a specific embodiment, the first driving component 2 further includes a first driving member 21. The driving end of the first driving member 21 is connected to the first carrier 22.

[0079] In another specific embodiment, the second driving component 3 further includes a second driving member 31. The driving end of the second driving member 31 is connected to the second carrier 32.

[0080] In another specific embodiment, as Figure 2 and Figure 3As shown, the first driving assembly 2 further includes a first driving member 21, and the driving end of the first driving member 21 is connected to the first carrier 22; the second driving assembly 3 further includes a second driving member 31, and the driving end of the second driving member 31 is connected to the second carrier 32. Taking this embodiment as an example for illustration, specifically, the first driving member 21 can drive the first carrier 22 to move in the first direction, so that the first carrier 22 can move in the first direction to transfer materials; the second driving member 31 can drive the second carrier 32 to move in the second direction, so that the second carrier 32 can move in the second direction to transfer materials.

[0081] Among them, the first driving member 21 can be a linear motor, a cylinder or a hydraulic cylinder; the second driving member 31 can be a linear motor, a cylinder or a hydraulic cylinder.

[0082] In a preferred embodiment, the conveying mechanism further includes a control module. The first positioning sensor 5 is communicatively connected to the control module, the second positioning sensor 6 is communicatively connected to the control module, the third positioning sensor 7 is communicatively connected to the control module, the first driving member 21 is communicatively connected to the control module, and the second driving member 31 is communicatively connected to the control module. When the control module receives the position signal of the first carrier 22 sent by the first positioning sensor 5, the control module will control the first driving member 21 to stop working and will control the second driving member 31 to work; when the control module receives the position signal of the second carrier 32 sent by the second positioning sensor 6, the control module will control the second driving member 31 to stop working; when the control module receives the position signal of the first carrier 22 sent by the third positioning sensor 7, the control module will control the first driving member 21 to stop working.

[0083] According to the second aspect of the embodiments of the present application, a solar cell production line is provided, including the above-mentioned conveying mechanism.

[0084] Although some specific embodiments of the present application have been described in detail by way of examples, those skilled in the art should understand that the above examples are only for illustration and not for limiting the scope of the present application. Those skilled in the art should understand that the above embodiments can be modified without departing from the scope and spirit of the present application. The scope of the present application is defined by the appended claims.

Claims

1. A conveying mechanism, characterized in that, include: A carrier (1), the carrier (1) is used to carry materials, and the carrier (1) is provided with a first limiting portion (11); A first driving assembly (2), the first driving assembly (2) comprising a first carrier (22), the first carrier (22) being used to carry the carrier (1), and the first carrier (22) being capable of moving the carrier (1) along a first direction; A second driving assembly (3), the second driving assembly (3) comprising a second bearing member (32), the second bearing member (32) being used to bear the carrier (1), a second limiting portion (323) being provided on the second bearing member (32), and the second bearing member (32) being capable of moving the carrier (1) along a second direction; The first carrier (22) moves along the first direction to a preset position, the carrier (1) is located on the first carrier (22) and the second carrier (32), the second limiting portion (323) can cooperate with the first limiting portion (11), and the second carrier (32) moves along the second direction to drive the carrier (1) to move along the second direction.

2. The conveying mechanism according to claim 1, wherein The carrier (1) comprises a first end surface (13), the first end surface (13) is located at one end of the carrier (1) close to the second drive assembly (3), and the first limiting portion (11) is provided on the first end surface (13); The second supporting member (32) comprises a stopper (321) and a first supporting plate (322), wherein the first supporting plate (322) is used to support the carrier (1), the first supporting plate (322) is connected to the stopper (321), and the second limiting portion (323) is provided at one end of the stopper (321) facing the carrier (1).

3. The conveying mechanism according to claim 2, wherein, The first limiting portion (11) includes at least one first limiting block, and the second limiting portion (323) includes at least one first limiting groove, and the first limiting block can be embedded in the first limiting groove.

4. The conveying mechanism according to claim 2, wherein The carrier (1) is provided with a third limiting portion (12), the first bearing member (22) is provided with a fourth limiting portion (221), the carrier (1) is located on the first bearing member (22), and the third limiting portion (12) can cooperate with the fourth limiting portion (221).

5. The conveying mechanism according to claim 4, characterized in that, The carrier (1) further includes a second end surface (14), the second end surface (14) intersecting with the first end surface (13), the second end surface (14) facing the first bearing member (22), and the third limiting portion (12) being provided on the second end surface (14); The fourth limiting portion (221) is provided on the end surface of the first bearing member (22) facing the second end surface (14), and is located away from the end of the second driving assembly (3).

6. The conveying mechanism according to claim 5, wherein The third limiting portion (12) includes at least one second limiting block; the fourth limiting portion (221) includes at least one second limiting groove, and the second limiting block can be embedded in the second limiting groove.

7. The conveying mechanism according to claim 1, characterized in that, The conveying mechanism further comprises a bottom plate (4); A guide rail (41) is provided on the bottom plate (4). The length direction of the guide rail (41) is the first direction. A slider is provided at one end of the first carrier (22) facing the bottom plate (4). The slider is slidably connected to the guide rail (41), and the first carrier (22) moves relative to the bottom plate (4) in the first direction.

8. The conveying mechanism according to claim 7, wherein a first positioning sensor (5) is provided on the bottom plate (4), and the first positioning sensor (5) is used to detect the position of the first carrier (22); and / or a second positioning sensor (6) is provided on the bottom plate (4), and the second positioning sensor (6) is used to detect the position of the second carrier (32).

9. The conveying mechanism according to claim 1, wherein The first driving assembly (2) further includes a first driving member (21). The driving end of the first driving member (21) is connected to the first carrier (22), and the first driving member (21) can drive the first carrier (22) to move in the first direction; and / or The second driving assembly (3) further includes a second driving member (31). The driving end of the second driving member (31) is connected to the second carrier (32), and the second driving member (31) can drive the second carrier (32) to move in the second direction.

10. A solar cell production line, characterized in that, including the conveying mechanism according to any one of claims 1-9.

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