A bearing assembly and battery string conveying mechanism

Abstract

A kind of bearing assembly, bearing assembly includes bearing plate and guide block, the upper surface of bearing plate is provided with accommodating groove, guide block is assembled in accommodating groove, the upper surface of bearing plate is provided with multiple guide grooves in the region of two sides of accommodating groove, guide groove extends in the direction away from guide block;Guide block is provided with air path that is communicated with air pump in, multiple air ports that are communicated with air path are respectively provided on the two side walls of guide block, the air port on each side wall of guide block corresponds with multiple guide grooves on the same side one by one, the position of each air port is lower than the highest position of the bottom of corresponding guide groove, the first end of guide groove is communicated with accommodating groove and is aligned with corresponding air port on guide block.The surface of bearing plate in the application is provided with multiple guide grooves that are communicated with air pump, after battery piece is placed on bearing plate, suction or blowing is carried out by air pump, high-speed airflow is formed in the space between guide groove and battery piece, so that the air pressure below battery piece is lower than the air pressure above battery piece, so that battery piece is absorbed on bearing plate.

Description

Technical Field

[0001] This application relates to the field of battery string production equipment, specifically a carrier component and a battery string conveying mechanism. Background Technology

[0002] In a photovoltaic module, the cell string is formed by connecting cell groups and solder ribbons in series. The solder ribbons connect the positive and negative grid lines of adjacent cells, realizing the electrical connection between each cell.

[0003] In order to improve production efficiency, existing technologies generally use a battery string conveyor to receive the welding strip group and battery cell group required for a battery string, and then the battery string conveyor sends the battery cell group and welding strip group to the welding station for welding to form a battery string.

[0004] In order to ensure that the cell pack and the welding strip are in the correct relative position after they are moved to the welding station, the cell pack needs to be fixed on the conveying surface of the battery string conveying mechanism. This ensures that the cell pack and the conveying surface of the battery string conveying mechanism remain relatively stationary when the cell pack moves with the battery string conveying mechanism. Summary of the Invention

[0005] To address the aforementioned technical problems, this application provides a carrier component, the specific technical solution of which is as follows: The supporting component includes a supporting plate and a flow guide block. The upper surface of the supporting plate is provided with a receiving groove, and the flow guide block is assembled in the receiving groove. Multiple flow guide grooves are respectively provided on both sides of the receiving groove on the upper surface of the supporting plate, and the flow guide grooves extend in a direction away from the flow guide block. The guide block has an air passage connected to the air pump. Multiple air ports connected to the air passage are opened on both sides of the guide block. Each air port on the side wall of the guide block corresponds to multiple guide grooves on the same side. The position of each air port is lower than the highest position of the bottom of the corresponding guide groove. The first end of the guide groove is connected to the receiving groove and aligned with the corresponding air port on the guide block.

[0006] The carrier plate in this application has multiple guide grooves on its surface that are connected to an air pump. After the battery cell is placed on the carrier plate, the air pump is used to draw or blow air, forming a high-speed airflow in the space between the guide groove and the battery cell. This makes the air pressure below the battery cell lower than the air pressure above the battery cell, thereby sucking the battery cell onto the carrier plate. The upper surface of the carrier plate is the conveying surface of the battery string conveying mechanism. Therefore, the battery cell and the conveying surface of the battery string conveying mechanism can be kept relatively stationary, ensuring that the battery cell and the welding strip are in an accurate relative position after being conveyed to the welding station by the battery string conveying mechanism.

[0007] In some embodiments, the upper surface of the flow guide block is flush with the upper surface of the support plate.

[0008] By setting the upper surfaces of the current guide block and the carrier plate to be flush, the battery cell can be placed on the upper surface of the carrier plate and fit completely against the upper surfaces of the carrier plate and the current guide block, avoiding bending deformation or microcracks in the battery cell.

[0009] In some embodiments, the two side walls of the guide block abut against the wall of the receiving groove.

[0010] By making the two side walls of the guide block abut against the wall of the receiving groove, the gap between the guide block and the receiving groove is reduced, allowing the airflow to directly enter the guide groove after being ejected from the air outlet. This avoids the airflow from entering the gap between the guide block and the receiving groove, thus reducing waste and lowering the power requirements of the air pump.

[0011] In some embodiments, the sidewalls of the guide block and the receiving groove that abut against each other are outwardly inclined slopes.

[0012] By setting the sidewalls of the guide block and the receiving groove that are close to each other as outward inclined slopes, the difficulty of airflow entering the gap between the guide block and the receiving groove is further increased, ensuring that the airflow ejected from the air outlet directly enters the guide groove.

[0013] In some embodiments, the two side walls of the flow guide block are provided with a plurality of buffer grooves corresponding one-to-one with the air ports. Each air port is located at the bottom of the corresponding buffer groove. The width of the buffer groove is greater than the diameter of the air port. The buffer groove points to the first end of the corresponding flow guide groove.

[0014] By setting a buffer groove, a gap is created between the air outlet and the first end of the guide groove. This allows the airflow ejected from the air outlet to first accumulate in the buffer groove before entering the guide groove. This better shapes the flow path of the airflow in the guide groove, further increasing the flow speed of the airflow in the guide groove and improving the adhesion of the carrier plate to the battery cell.

[0015] In some embodiments, there is a gap between the two side walls of the guide block and the side wall of the receiving groove, and the air port is located at the bottom end of the guide block.

[0016] The airflow ejected through the vent flows along the bottom of the container to the wall and then upwards into the guide channel, creating a negative pressure area between the guide block and the container, thereby increasing the adhesion of the carrier plate to the battery cells.

[0017] In some embodiments, the two side walls of the receiving groove are outwardly inclined slopes.

[0018] By setting the walls of the receiving trough as an outward-sloping surface, the difficulty of airflow climbing up the walls of the receiving trough and flowing into the guide trough is reduced.

[0019] In some embodiments, the support plate is further provided with two rows of adsorption holes located at the edge of the support plate. Each adsorption hole is staggered with the guide groove, and the two rows of adsorption holes are arranged in a one-to-one correspondence. Each pair of corresponding adsorption holes cooperate to adsorb a welding strip.

[0020] After the welding ribbon is laid on the support plate, it is attracted to the upper surface of the support plate through the corresponding adsorption holes. When the battery string conveying mechanism moves the welding ribbon, the possibility of the welding ribbon shifting is reduced, and the relative position of the battery cell and the welding ribbon is further ensured.

[0021] In some embodiments, the bottom of the guide channel includes an uphill section, a horizontal section, and a downhill section. The highest point of the uphill section smoothly transitions to the horizontal section, and the end of the horizontal section smoothly transitions to the highest point of the downhill section. The uphill section is located at one end of the guide channel near the air inlet. An opening communicating with the downhill section of the guide channel is provided on the support plate, and the opening extends downward through the lower surface of the support plate.

[0022] The airflow ejected from the vent first climbs upwards along the ramp section of the guide channel. The ramp section of the guide channel hinders the forward flow of the airflow, increasing the airflow density in the ramp section. After the increased density airflow enters the horizontal flow section, it loses the obstruction effect of the guide channel, and the airflow velocity increases and enters the downward slope section. The airflow in the downward slope section is obstructed by the battery cell and can only leave through the opening of the support plate, further increasing the airflow velocity between the guide channel and the battery cell. This makes the air pressure below the battery cell lower than the air pressure above the battery cell, thus adhering the battery cell to the surface of the support plate.

[0023] In some embodiments, the air pump blows air into the air passage of the guide block, the ramp section of the guide channel is set to be arc-shaped, and the gas in the air passage of the guide block flows through the air inlet on the side wall of the guide block and the arc-shaped ramp section to the horizontal section and the downward section of the guide channel and then flows out from the opening.

[0024] By setting the ramp section of the guide channel to an outward convex arc shape, the difficulty of the airflow climbing in the ramp section is further increased, thereby increasing the airflow velocity in the horizontal section and increasing the adsorption force of the carrier plate on the battery cell.

[0025] In some embodiments, the bearing assembly further includes two sets of guide assemblies. The bearing plate has two clearance notches parallel to the receiving groove. The two clearance notches penetrate the bearing plate in the vertical direction. The flow guide groove and the flow guide block are located between the two clearance notches. The two sets of guide assemblies are respectively located in the two clearance notches. Each flow guide groove is connected to the adjacent clearance notch. The guiding assembly includes a guide comb and a driving component. The driving component is used to drive the guide comb to move vertically up and down within the clearance notch. The upper surface of the guide comb is provided with several limiting grooves, and the limiting grooves on the guide combs of the two sets of guiding assemblies are set one-to-one.

[0026] Each welding strip falls into the limiting groove of the guide comb of the two sets of guide components, limiting the movement space of the welding strip on the support plate and ensuring that the welding strip is in the predetermined position. This ensures that the welding strip can be accurately welded to the battery cells during subsequent battery string welding. The clearance notch used to place the guide components can be directly used to allow airflow in the guide channel to exit, eliminating the need for additional air channels and improving the structural rationality.

[0027] In some embodiments, an auxiliary suction cup is provided on the side wall of the guide comb, with the suction end of the auxiliary suction cup facing vertically upward, and the auxiliary suction cups of the two sets of guide components cooperate to suction the battery cell.

[0028] Because the side of the solar cell that contacts the solder ribbon has raised pads, when the solar cell is directly laid on the support plate and placed against the solder ribbon on the support plate, the solder ribbon may be squeezed and shifted by the pads, causing the solder ribbon to fail to make contact with some of the pads. Therefore, the solar cell can be first held in place by the auxiliary suction cups on the guide comb, so that the solar cell is suspended above the support plate. Then, the guide grooves on the support plate pull the middle part of the solar cell downward, so that the middle part of the solar cell is pressed against the solder ribbon first, preventing the solder ribbon from being squeezed and shifted. At the same time, the solder ribbon is clamped by the support plate and the solar cell. When the battery string conveying mechanism moves the solar cell and solder ribbon horizontally, the solder ribbon will not move relative to the solar cell, ensuring the accurate relative position of the solder ribbon and the solar cell.

[0029] In some embodiments, the guide assembly includes two guide combs, and further includes a lifting seat, two positioning blocks, two return springs, two mounting blocks, a guide block, and two rollers, wherein: The driving component is used to drive the lifting seat to move vertically. Two positioning blocks are installed on the lifting seat. Two mounting blocks are fixed on two guide combs respectively. Two rollers are installed on two mounting blocks respectively. The first ends of two return springs abut against two positioning blocks respectively. The second ends of two return springs abut against two mounting blocks respectively. The guide block is installed on the bearing plate and located between two rollers. The two sides of the guide block are set as inclined surfaces adapted to the rollers.

[0030] After the lifting platform and two guide combs are raised by the drive unit, the two rollers are separated by the guide block, allowing the two guide combs to slide horizontally relative to each other. The limiting grooves on the two guide combs coincide, facilitating the welding strip to fall into the limiting grooves of the two guide combs. The drive unit then lowers the lifting platform, and the return spring keeps the two rollers in contact with the ramp surface of the guide block. As the rollers descend, the two guide combs move laterally relative to each other, causing the limiting grooves on the two guide combs to intersect, reducing the movement space of the welding strip in the limiting grooves and limiting the position of the welding strip.

[0031] To address the aforementioned technical problems, this application also provides a battery string conveying mechanism, the specific technical solution of which is as follows: The battery string conveying mechanism includes a base, a drive assembly, and multiple load-bearing assemblies. The multiple load-bearing assemblies are fixed sequentially on the base, and the drive assembly is used to drive the base to slide back and forth in the horizontal direction.

[0032] The battery cell array and the welding ribbon array are supported by multiple carrier components. Each battery cell is laid on the carrier plate of one carrier component, and the welding ribbon array is staggered on multiple carrier plates. The battery cells are held in place by the carrier plates of multiple carrier components, and the welding ribbon is clamped by the battery cells and the carrier plates, so that the battery cells, welding ribbon and carrier plates are relatively stationary. When the drive component drives the multiple carrier components to slide horizontally, the battery cells and welding ribbon will not move, thus ensuring the welding effect of the battery string. Attached Figure Description

[0033] Figure 1 This is a schematic diagram of the structure of the carrier component in the embodiments of this application; Figure 2 This is a schematic diagram of the assembly structure of the load-bearing component in an embodiment of this application; Figure 3 for Figure 2 Enlarged view of a portion of point A in the middle; Figure 4 This is a schematic diagram of the structure of the carrier component in the embodiments of this application; Figure 5 This is a schematic diagram illustrating the cooperation between the guide component and the support component in the embodiments of this application; Figure 6 This is a schematic diagram of the structure of the guide component in the embodiments of this application; Figure 7 This is a schematic diagram of the battery string conveying mechanism in an embodiment of this application.

[0034] Figures 1 to 7 Includes: 1. Supporting component; 11. Supporting plate; 12. Guide block; 121. Buffer groove; 13. Receiving groove; 14. Guide groove; 141. Climbing section; 142. Horizontal flow section; 143. Downhill section; 15. Air inlet; 16. Adsorption hole; 17. Opening; 18. Clearance notch; 2. Guide assembly; 21. Guide comb; 22. Drive component; 23. Auxiliary suction cup; 24. Lifting seat; 25. Positioning block; 26. Return spring; 27. Mounting block; 28. Guide block; 29. ​​Roller; 3. Base; 4. Drive assembly; 5. Battery cell. Detailed Implementation

[0035] To make the above-mentioned objectives, features and advantages of this application more apparent and understandable, the application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0036] This application provides a carrier component 1, such as... Figure 1 As shown, the support assembly 1 includes a support plate 11 and a flow guide block 12. The upper surface of the support plate 11 is provided with a receiving groove 13. The flow guide block 12 is assembled in the receiving groove 13. Multiple flow guide grooves 14 are respectively provided on both sides of the upper surface of the support plate 11 located in the receiving groove 13. The flow guide grooves 14 extend in a direction away from the flow guide block 12. like Figure 2 and Figure 3 As shown, an air passage connected to an air pump is provided inside the guide block 12. Multiple air ports 15 connected to the air passage are provided on both sides of the guide block 12. Each air port 15 on the side wall of the guide block 12 corresponds to multiple guide grooves 14 on the same side. The position of each air port 15 is lower than the highest position of the bottom of the corresponding guide groove 14. The first end of the guide groove 14 is connected to the receiving groove 13 and aligned with the corresponding air port 15 on the guide block 12.

[0037] In this application, the surface of the support plate 11 is provided with multiple guide grooves 14 that are connected to the air pump. After the battery cell 5 is placed on the support plate 11, air is drawn or blown by the air pump, forming a high-speed airflow in the space between the guide grooves 14 and the battery cell 5. This makes the airflow velocity below the battery cell 5 higher than the airflow velocity above the battery cell 5. According to Bernoulli's principle, the air pressure below the battery cell 5 is lower than the air pressure above the battery cell 5. Thus, the air pressure above the battery cell 5 is used to press the battery cell 5 firmly onto the support plate 11. The upper surface of the support plate 11 is the conveying surface of the battery string conveying mechanism. Therefore, the battery cell 5 and the conveying surface of the battery string conveying mechanism can be kept relatively stationary, ensuring that the battery cell 5 and the welding strip are in an accurate relative position after being conveyed to the welding station by the battery string conveying mechanism.

[0038] In addition, to prevent short circuits between the positive and negative grid lines on the battery cell 5, insulating adhesive is applied to the connection points of the positive and negative grid lines to isolate them. This insulating adhesive is typically made of an organic solvent. Currently, the battery cell 5 and the solder ribbon are usually fixed together by heating to the solder pads or grid lines on the battery cell 5. When the battery cell 5 is heated, some of the insulating adhesive on it evaporates. If the carrier assembly 1 uses suction cups on the carrier plate 11 to hold the battery cell 5, the evaporated insulating adhesive will corrode the suction cups, reducing their lifespan. The inventors of this application have found in practical use that the suction cups on the carrier plate 11 need to be replaced weekly to ensure the normal operation of the carrier assembly 1, resulting in high equipment maintenance costs. However, by using the guide channel 14 of this application to press the battery cell 5 firmly onto the carrier plate 11, the function of the carrier assembly 1 in adsorbing the battery cell 5 is not affected by the evaporated insulating adhesive.

[0039] In some embodiments, such as Figure 2 As shown, the upper surface of the flow guide block 12 is flush with the upper surface of the support plate 11. By setting the upper surfaces of the flow guide block 12 and the support plate 11 to be flush, after the battery cell 5 is placed on the upper surface of the support plate 11, the battery cell 5 can completely fit the upper surfaces of the support plate 11 and the flow guide block 12, avoiding bending deformation or microcracks in the battery cell 5.

[0040] In some embodiments, such as Figure 2 As shown, the two side walls of the guide block 12 are attached to the wall of the receiving groove 13. By attaching the two side walls of the guide block 12 to the wall of the receiving groove 13, the gap between the guide block 12 and the receiving groove 13 is reduced, allowing the airflow to directly enter the guide groove 14 after being ejected from the air port 15. This avoids airflow from entering the gap between the guide block 12 and the receiving groove 13, thus reducing waste and lowering the power requirement of the air pump.

[0041] In some embodiments, such as Figure 2 As shown, the sidewalls of the guide block 12 and the receiving groove 13 that are in contact with each other are outwardly inclined slopes. By setting the sidewalls of the guide block 12 and the receiving groove 13 that are in contact with each other as outwardly inclined slopes, the difficulty of airflow entering the gap between the guide block 12 and the receiving groove 13 is further increased, ensuring that the airflow ejected from the air outlet 15 directly enters the guide groove 14.

[0042] In some embodiments, such as Figure 2 and Figure 3As shown, the two side walls of the guide block 12 are provided with multiple buffer grooves 121 corresponding to the air ports 15. Each air port 15 is located at the bottom of the corresponding buffer groove 121. The width of the buffer groove 121 is larger than the diameter of the air port 15, and the buffer groove 121 points to the first end of the corresponding guide groove 14. By setting the buffer groove 121, a gap is created between the air port 15 and the first end of the guide groove 14, allowing the airflow ejected from the air port 15 to first accumulate in the buffer groove 121 before entering the guide groove 14. This better shapes the flow path of the airflow in the guide groove 14, further increasing the flow velocity of the airflow in the guide groove 14 and improving the adsorption force of the support plate 11 on the battery cell 5.

[0043] In some embodiments, such as Figure 4 As shown, there is a gap between the two side walls of the guide block 12 and the side wall of the receiving groove 13, and the air port 15 is located at the bottom of the guide block 12. The airflow ejected through the air port 15 flows along the bottom of the receiving groove 13 to the groove wall and then flows upward along the groove wall of the receiving groove 13 into the guide groove 14, so that a negative pressure area is also formed at the gap between the guide block 12 and the receiving groove 13, which increases the adsorption force of the support plate 11 on the battery cell 5.

[0044] In some embodiments, such as Figure 4 As shown, the two side walls of the receiving trough 13 are outwardly inclined slopes. By setting the trough walls of the receiving trough 13 as outwardly inclined slopes, the difficulty of airflow climbing up the trough walls of the receiving trough 13 and flowing into the guide trough 14 is reduced.

[0045] In some embodiments, such as Figure 1 As shown, the support plate 11 is also provided with two rows of adsorption holes 16 located at the edge of the support plate 11. Each adsorption hole 16 is staggered with the guide groove 14, and the two rows of adsorption holes 16 are set one-to-one. Each pair of corresponding adsorption holes 16 cooperate to adsorb one welding strip. After the welding strip is laid on the support plate 11, it is adsorbed onto the upper surface of the support plate 11 through the corresponding adsorption holes 16. When the battery string conveying mechanism moves the welding strip, the possibility of the welding strip shifting is reduced, further ensuring the accurate relative position of the battery cell 5 and the welding strip. In order to ensure that both the adsorption holes 16 and the guide block 12 can operate stably, the air passages of the two rows of adsorption holes 16 and the air passages of the guide block 12 work independently.

[0046] In some embodiments, such as Figure 3As shown, the bottom of the guide channel 14 includes an uphill section 141, a horizontal section 142, and a downhill section 143. The highest point of the uphill section 141 smoothly transitions to the horizontal section 142, and the end of the horizontal section 142 smoothly transitions to the highest point of the downhill section 143. The uphill section 141 is located at one end of the guide channel 14 near the air inlet 15. An opening 17 is provided on the support plate 11 to communicate with the downhill section 143 of the guide channel 14. The opening 17 penetrates downward through the lower surface of the support plate 11. The airflow ejected from the air outlet 15 first climbs upward along the ramp section 141 of the guide channel 14. The ramp section 141 of the guide channel 14 hinders the forward flow of the airflow, increasing the airflow density in the ramp section 141. After the increased density airflow enters the horizontal flow section 142, it loses the obstruction effect of the guide channel 14, and the airflow velocity increases and enters the downhill section 143. The airflow in the downhill section 143 is obstructed by the battery cell 5 and can only leave through the opening 17 of the support plate 11, further increasing the airflow velocity between the guide channel 14 and the battery cell 5, making the air pressure below the battery cell 5 lower than the air pressure above the battery cell 5, thus adhering the battery cell 5 to the surface of the support plate 11.

[0047] It should be noted that, in order to describe the above embodiments of this application in a concise and clear manner, most of the airflow path in the bearing component 1 is described by blowing air. However, in fact, based on Bernoulli's principle, blowing air into the guide channel 14 or drawing air from the guide channel 14 can achieve the purpose of making the air pressure below the battery cell 5 lower than the air pressure above the battery cell 5. Therefore, the solution protected by this application is not limited to blowing air into the guide channel 14 through the guide block 12 by a blower, and air can also be drawn from the guide channel 14 through the guide block 12 by an air pump.

[0048] In some embodiments, such as Figure 2 and Figure 3 As shown, the air pump blows air into the air passage of the guide block 12. The ramp section 141 of the guide channel 14 is set in an arc shape. The gas in the air passage of the guide block 12 flows through the air port 15 on the side wall of the guide block 12 and the arc-shaped ramp section 141 to the horizontal section 142 and the downward section 143 of the guide channel 14, and then flows out from the opening 17. By setting the ramp section 141 of the guide channel 14 to an outwardly convex arc shape, the difficulty of the airflow climbing in the ramp section 141 is further increased, thereby increasing the flow velocity of the airflow in the horizontal section 142 and increasing the adsorption force of the support plate 11 on the battery cell 5.

[0049] In some embodiments, such as Figure 1 and Figure 2As shown, the supporting component 1 also includes two sets of guiding components 2. The supporting plate 11 has two clearance notches 18 parallel to the receiving groove 13. The two clearance notches 18 penetrate the supporting plate 11 in the vertical direction. The flow guide 14 and the flow guide block 12 are located between the two clearance notches 18. The two sets of guiding components 2 are respectively located in the two clearance notches 18. Each flow guide 14 is connected to the adjacent clearance notch 18.

[0050] like Figure 5 As shown, the guide assembly 2 includes a guide comb 21 and a drive component 22. The drive component 22 is used to drive the guide comb 21 to move vertically up and down within the clearance notch 18. The upper surface of the guide comb 21 is provided with several limiting grooves, and the limiting grooves on the guide combs 21 of the two sets of guide assemblies 2 are set one-to-one.

[0051] Each welding strip falls into the limiting groove of the guide comb 21 of the two sets of guide components 2, limiting the movement space of the welding strip on the support plate 11, ensuring that the welding strip is in the predetermined position, and ensuring that the welding strip can be accurately welded to the battery cell 5 during subsequent battery string welding. The clearance notch 18 used to place the guide component 2 can be directly used to allow the airflow in the guide channel 14 to leave, without the need for additional air passages, thus improving the structural rationality.

[0052] When the guide component 2 is installed on the support component 1, the opening 17 on the support plate 11 is connected to the clearance notch 18. The airflow in the guide channel 14 enters the opening 17 from the clearance notch 18 and leaves the support plate 11. After the battery cell 5 is laid on the guide comb 21, the battery cell 5 and the guide comb 21 close the cavity above the clearance notch 18, so that the airflow can only flow downward from the clearance notch 18.

[0053] In some embodiments, such as Figure 1 and Figure 3 As shown, an auxiliary suction cup 23 is provided on the side wall of the guide comb 21. The suction end of the auxiliary suction cup 23 is set vertically upward, and the auxiliary suction cups 23 of the two sets of guide components 2 work together to suction the battery cell 5.

[0054] Because the side of the battery cell 5 that is in contact with the solder ribbon has raised pads, when the battery cell 5 is directly placed on the support plate 11 and placed against the solder ribbon on the support plate 11, the solder ribbon may be squeezed and shifted, causing the solder ribbon to fail to contact some of the solder ribbons. Therefore, the auxiliary suction cup 23 on the guide comb 21 can first hold the battery cell 5, making the battery cell 5 suspended above the support plate 11. Then, the guide groove 14 of the support plate 11 can pull the middle part of the battery cell 5 downward, so that the middle part of the battery cell 5 is pressed against the solder ribbon first, avoiding the solder ribbon being squeezed and shifted. At the same time, the solder ribbon is clamped by the support plate 11 and the battery cell 5. When the battery string conveying mechanism drives the battery cell 5 and the solder ribbon to slide horizontally, the solder ribbon will not move relative to the battery cell 5, ensuring the accurate relative position of the solder ribbon and the battery cell 5.

[0055] Compared to the existing method of using suction cups on the carrier plate 11 to hold the battery cell 5, when the battery cell 5 is first held by the auxiliary suction cup 23 on the guide comb 21 and suspended above the carrier plate 11, the suction force of the suction cup is insufficient to hold the middle part of the battery cell 5 downward and stick it to the welding strip on the carrier plate 11. However, the flow channel 14 of this application can provide sufficient suction force to hold the suspended middle part of the battery cell 5 downward and stick it to the welding strip on the flow guide block 12. Therefore, it can be ensured that the welding strip is clamped between the carrier plate 11 and the battery cell 5.

[0056] In some embodiments, such as Figure 5 and Figure 6 As shown, each guide assembly 2 includes two guide combs 21, and the guide assembly 2 also includes a lifting seat 24, two positioning blocks 25, two return springs 26, two mounting blocks 27, a guide block 28, and two rollers 29, and a driving component 22 (see reference). Figure 7 It is used to drive the lifting seat 24 to move vertically.

[0057] like Figure 6 As shown, two positioning blocks 25 are installed on the lifting seat 24, two mounting blocks 27 are fixed on two guide combs 21 respectively, and two rollers 29 are installed on two mounting blocks 27 respectively. One of the guide combs 21 has a square notch to facilitate the passage of the mounting block 27, the return spring 26 and the roller 29 on the other guide comb 21, so that the mounting block 27, the return spring 26 and the roller 29 of the two guide combs are on the same plane.

[0058] like Figure 5 As shown, the first ends of the two return springs 26 abut against the two positioning blocks 25 respectively, and the second ends of the two return springs 26 abut against the two mounting blocks 27 respectively. The guide block 28 is mounted on the bearing plate 11 and located between the two rollers 29. The two sides of the guide block 28 are set as inclined surfaces adapted to the rollers 29.

[0059] After the lifting seat 24 and the two guide combs 21 are raised by the driving component 22, the two rollers 29 are separated by the guide block 28, causing the two guide combs 21 to slide horizontally relative to each other. The limiting grooves on the two guide combs 21 coincide, facilitating the welding strip to fall into the limiting grooves of the two guide combs 21. The driving component 22 then lowers the lifting seat 24, and the return spring 26 keeps the two rollers 29 in contact with the slope surface of the guide block 28. The two guide combs 21 move laterally relative to each other as the rollers 29 descend, causing the limiting grooves on the two guide combs 21 to intersect, reducing the movement space of the welding strip in the limiting grooves and limiting the position of the welding strip.

[0060] This application also provides a battery string conveying mechanism, such as... Figure 7As shown, the battery string conveying mechanism includes a base 3, a drive assembly 4, and multiple load-bearing assemblies 1. The multiple load-bearing assemblies 1 are fixed on the base 3 in sequence, and the drive assembly 4 is used to drive the base 3 to slide back and forth in the horizontal direction.

[0061] Multiple support components 1 support the battery cell packs and welding ribbon packs. Each battery cell 5 is laid on the support plate 11 of one support component 1. The welding ribbon packs are arranged alternately on multiple support plates 11. The support plates 11 of multiple support components 1 hold the battery cell 5 in place. The battery cell 5 and the support plates 11 clamp the welding ribbon, achieving relative stillness between the battery cell 5, the welding ribbon and the support plate 11. When the drive component 4 drives the multiple support components 1 to slide horizontally, the battery cell 5 and the welding ribbon will not move, ensuring the welding effect of the battery string.

[0062] The driver component 4 in this application is as follows: Figure 7 As shown, the drive assembly 4 adopts a pulley assembly, and the base 3 is slidably mounted on the slide rail in the horizontal direction by multiple sliders. The belt of the drive assembly 4 is fixedly connected to the base 3. The servo motor of the drive assembly drives the belt to circulate horizontally, thereby causing the base 3 to slide on the slide rail in the horizontal direction.

[0063] In this application, the guide components 2 of each supporting component 1 are located between the supporting plate 11 and the base 3 of each supporting component 1. The driving component 22 of the guide component 2 includes a servo motor, a gear, a rack, and a support beam. The servo motor is mounted on the base 3, the gear is mounted on the drive end of the servo motor, the rack is fixed on the support beam, and the gear meshes with the rack. The support beam is vertically and can be raised and lowered on the base 3. The lifting seats 24 of each guide component 2 are sequentially mounted on the support beam. The servo motor drives the gear to rotate, thereby driving the rack and support beam to rise and fall vertically, realizing the synchronous rising and falling of the lifting seats 24 of each guide component 2. Therefore, when the supporting component 1 is used in a battery string conveying mechanism, each guide component 2 shares a set of driving components 22. The guide component 2 in this application has been disclosed in the applicant's prior patent application. Therefore, the specific structure of the guide component 2 is well known in the art and will not be described in detail here. However, the cooperation between the guide comb 21 of the guide component 2 and the guide groove 14 of this application is unique to this application.

[0064] Based on the above embodiments, the specific working process of the battery string conveying mechanism of this application is as follows: First, the drive assembly 4 moves the base 3 and multiple support assemblies 1 horizontally to the receiving position. The guide combs 21 of the multiple support assemblies 1 are raised to a high position, and the two guide combs 21 of each guide assembly 2 overlap, so that the limiting grooves on the guide combs 21 are fully exposed. Then, the conveying mechanism places multiple staggered welding strips onto the multiple support assemblies 1, so that each welding strip falls into the limiting groove of the corresponding guide comb 21.

[0065] Subsequently, the drive component 22 of the guide assembly 2 drives the lifting seat 24 to descend, causing each guide comb 21 to descend to the middle position. The guide comb 21 in the middle position protrudes from the bearing surface of the bearing plate 11. The limiting grooves of the two guide combs 21 of each guide assembly 2 are misaligned, limiting the free movement of the welding strip in the limiting groove, thereby achieving the purpose of limiting the position of the welding strip.

[0066] Then, another conveying mechanism transports multiple battery cells 5 to multiple carrier components 1 at the receiving position. Each carrier component 1 receives one battery cell 5, and the battery cell 5 is held by the auxiliary suction cup 23 on the guide comb 21. The air pump connected to the guide block 12 starts to work, pressing the middle part of the battery cell 5 downward onto the welding strip, thereby fixing the welding strip, battery cell 5 and carrier plate 11 relatively.

[0067] The drive assembly 4 moves the base 3 and multiple load-bearing components 1 horizontally from the receiving position to the welding position. The drive component 22 of the guide assembly 2 then lowers the lifting seat 24, so that the guide comb 21 is basically positioned in the clearance notch 18, and the battery cell 5 is completely against the welding strip. The auxiliary suction cup 23 on the guide comb 21 stops working. The welding mechanism (e.g., an infrared light box) heats the battery cell 5 and the welding strip, so that the welding strip is welded and fixed to the battery cell 5, completing the welding of the battery string.

[0068] Subsequently, the drive assembly 4 moves the base 3 and multiple carrier components 1 from the welding position to the unloading position. The carrier components 1 stop adsorbing the battery cells 5, and the conveying mechanism removes the battery string from the battery string conveying mechanism. The drive assembly 4 then moves the base 3 and multiple carrier components 1 to the receiving position to produce the next battery string.

[0069] Furthermore, the battery string described in this application is not limited to back-contact battery strings; it can also be a battery string with solder strips on both sides. As long as the battery cells need to be fixed by negative pressure adsorption, the technical solution of this application can be adopted.

[0070] The foregoing has provided a sufficiently detailed and specific description of this application. Those skilled in the art should understand that the descriptions in the embodiments are merely exemplary, and all changes made without departing from the true spirit and scope of this application should fall within the protection scope of this application. The scope of protection claimed in this application is defined by the claims, not by the above descriptions in the embodiments. Furthermore, the embodiments mentioned in this application are not limited to a single implementation; some embodiments can also be combined.

Claims

1. A load-bearing component, characterized in that, The supporting component includes a supporting plate and a flow guide block. The upper surface of the supporting plate is provided with a receiving groove, and the flow guide block is assembled in the receiving groove. Multiple flow guide grooves are respectively provided on both sides of the receiving groove on the upper surface of the supporting plate, and the flow guide grooves extend in a direction away from the flow guide block. The guide block has an air passage connected to the air pump. Multiple air ports connected to the air passage are opened on both sides of the guide block. Each air port on the side wall of the guide block corresponds to multiple guide grooves on the same side. The position of each air port is lower than the highest position of the bottom of the corresponding guide groove. The first end of the guide groove is connected to the receiving groove and aligned with the corresponding air port on the guide block.

2. The load-bearing component as described in claim 1, characterized in that, The upper surface of the guide block is flush with the upper surface of the support plate.

3. The load-bearing component as described in claim 1, characterized in that, The two side walls of the guide block are attached to the wall of the receiving groove.

4. The load-bearing component as described in claim 3, characterized in that, The sidewalls of the guide block and the receiving groove that are in contact with each other are outwardly inclined slopes.

5. The load-bearing component as described in claim 4, characterized in that, The two side walls of the flow guide block are provided with multiple buffer grooves that correspond one-to-one with the air ports. Each air port is located at the bottom of the corresponding buffer groove. The width of the buffer groove is greater than the diameter of the air port. The buffer groove points to the first end of the corresponding flow guide groove.

6. The load-bearing component as claimed in claim 1, characterized in that, There are gaps between the two side walls of the guide block and the side wall of the receiving groove, and the air port is located at the bottom end of the guide block.

7. The load-bearing component as described in claim 6, characterized in that, The two side walls of the receiving groove are outwardly inclined slopes.

8. The load-bearing component as claimed in claim 1, characterized in that, The support plate is also provided with two rows of adsorption holes located at the edge of the support plate. Each adsorption hole is staggered with the guide groove. The two rows of adsorption holes are set one-to-one, and each pair of corresponding adsorption holes work together to adsorb a welding strip.

9. The load-bearing component as described in any one of claims 1-8, characterized in that, The bottom of the guide channel includes an uphill section, a horizontal section, and a downhill section. The highest point of the uphill section smoothly transitions to the horizontal section, and the end of the horizontal section smoothly transitions to the highest point of the downhill section. The uphill section is located at one end of the guide channel near the air inlet. An opening communicating with the downhill section of the guide channel is provided on the support plate, and the opening extends downward through the lower surface of the support plate.

10. The load-bearing component as claimed in claim 9, characterized in that, The air pump blows air into the air passage of the guide block. The ramp section of the guide channel is set in an arc shape. The gas in the air passage of the guide block flows through the air port on the side wall of the guide block and the arc-shaped ramp section to the horizontal section and the downward section of the guide channel, and then flows out from the opening.

11. The load-bearing component as claimed in claim 9, characterized in that, The bearing assembly also includes two sets of guide assemblies. The bearing plate has two clearance notches parallel to the receiving groove. The two clearance notches penetrate the bearing plate in the vertical direction. The flow guide groove and the flow guide block are located between the two clearance notches. The two sets of guide assemblies are respectively located in the two clearance notches. Each flow guide groove is connected to the adjacent clearance notch. The guiding assembly includes a guide comb and a driving component. The driving component is used to drive the guide comb to move vertically up and down within the clearance notch. The upper surface of the guide comb is provided with several limiting grooves, and the limiting grooves on the guide combs of the two sets of guiding assemblies are set one-to-one.

12. The load-bearing component as claimed in claim 11, characterized in that, The guide comb is provided with auxiliary suction cups on its side wall. The suction end of the auxiliary suction cups is set vertically upward. The auxiliary suction cups of the two sets of guide components work together to hold the battery cell.

13. The load-bearing component as claimed in claim 11, characterized in that, The guide assembly includes two guide combs, and further includes a lifting seat, two positioning blocks, two return springs, two mounting blocks, a guide block, and two rollers, wherein: The driving component is used to drive the lifting seat to move vertically. Two positioning blocks are installed on the lifting seat. Two mounting blocks are fixed on two guide combs respectively. Two rollers are installed on two mounting blocks respectively. The first ends of two return springs abut against two positioning blocks respectively. The second ends of two return springs abut against two mounting blocks respectively. The guide block is installed on the bearing plate and located between two rollers. The two sides of the guide block are set as inclined surfaces adapted to the rollers.

14. A battery string conveying mechanism, characterized in that, The battery string conveying mechanism includes a base, a drive assembly, and a plurality of carrier assemblies as described in any one of claims 1-13. The plurality of carrier assemblies are sequentially fixed on the base, and the drive assembly is used to drive the base to slide back and forth in the horizontal direction.

Images