A current collecting plate feeding and welding device

Abstract

The present application relates to the technical field of battery production, and provides a current collector disc feeding and welding device, which comprises a conveying mechanism and a material taking mechanism; the conveying mechanism comprises first and second current collector disc positioning assemblies which are arranged at intervals along a conveying direction; the current collector disc feeding and welding device has first feeding positions, a material taking position and second feeding positions in sequence along the conveying direction, and the material taking mechanism is located at the material taking position; the first current collector disc positioning assembly can be switched between the first feeding positions and the material taking position, and the second current collector disc positioning assembly can be switched between the second feeding positions and the material taking position; the current collector disc feeding and welding device improves the feeding and welding efficiency through the alternate feeding of the two sides and guarantees the welding rhythm.

Description

Technical Field

[0001] This invention relates to the field of battery manufacturing technology, and in particular to a current collector feeding and welding device. Background Technology

[0002] The existing process for feeding and welding the collector plate involves a flipping mechanism picking up the collector plate, flipping it to a vertical position, and lifting it to the feeding position. The pressure head then moves to the feeding position and clamps the collector plate. After the flipping mechanism releases the collector plate, it shifts at a certain avoidance angle and retracts. Finally, the pressure head moves the collector plate to the welding position for welding. In this process, there are many feeding and avoidance actions, resulting in a long welding waiting time and affecting the welding cycle. Summary of the Invention

[0003] This invention provides a manifold loading and welding device to solve or improve the problem of slow welding cycle in the existing manifold loading and welding process.

[0004] This invention provides a feed and welding device for a feed tray, comprising: a conveying mechanism and a picking mechanism; the conveying mechanism includes a first feed tray positioning component and a second feed tray positioning component spaced apart along the conveying direction; the feed and welding device for the feed tray has a first feeding position, a picking position and a second feeding position sequentially along the conveying direction, and the picking mechanism is located at the picking position; the first feed tray positioning component can switch between the first feeding position and the picking position, and the second feed tray positioning component can switch between the second feeding position and the picking position.

[0005] According to the present invention, a collector plate feeding and welding device is provided, wherein the first collector plate positioning component and the second collector plate positioning component have the same structure, both including multiple positioning clamps, which are arranged along the conveying direction; the number of positioning clamps is positively correlated with the welding time and positioning time of the collector plate; when one of the multiple positioning clamps moves to a position relative to the material picking mechanism, the material picking mechanism is used to pick up the collector plate on the positioning clamp.

[0006] According to the present invention, a feeder welding device for a manifold includes a positioning fixture, a clamping block drive and a plurality of positioning clamping blocks; the plurality of positioning clamping blocks are arranged circumferentially along the positioning fixture, and the clamping block drive is used to drive the plurality of positioning clamping blocks to move closer or further apart.

[0007] According to the present invention, a collector plate feeding and welding device further includes: a lifting mechanism; the lifting mechanism is located at the material taking position, and the lifting mechanism and the material taking pressure head of the material taking mechanism are arranged opposite to each other, and the lifting mechanism is used to lift the collector plate located at the material taking position into the material taking pressure head.

[0008] According to the present invention, a feed and welding device for a collector plate is provided, wherein both the first collector plate positioning component and the second collector plate positioning component are provided with a slider that can move in a vertical direction, the slider being used to support the collector plate, and the lifting mechanism being detachably connected to the slider.

[0009] According to the present invention, a material feeding and welding device for a manifold includes a turntable. The material feeding position, the detection position, and the welding position are arranged sequentially along the rotation direction of the turntable. The turntable is provided with a plurality of material feeding heads, and the number of the material feeding heads is greater than or equal to 3. Three of the plurality of material feeding heads are respectively arranged in a one-to-one correspondence with the material feeding position, the detection position, and the welding position. The material feeding heads are used to cyclically switch between the material feeding position, the detection position, and the welding position sequentially along the rotation direction of the turntable.

[0010] According to the present invention, a collector plate feeding and welding device further includes: a detection mechanism; the detection end of the detection mechanism faces the material picking head of the detection position, and the detection mechanism is used to determine that a collector plate is picked up by the material picking head of the detection position.

[0011] According to the present invention, a current collector loading and welding device further includes: a battery cell carrier; when the battery cell carrier carries the battery cell to the welding position, the battery cell carrier is used to lift the battery cell to below the material pick-up head of the welding position.

[0012] According to the present invention, a welding device for feeding a collector plate further includes: a galvanometer; the galvanometer is located at the welding position and faces the material taking head located at the welding position; a laser beam adjusted by the galvanometer irradiates the welding position of the collector plate through the hollow structure of the material taking head.

[0013] According to the present invention, a material feeding and welding device for a manifold plate is further comprising: a dust extraction pipe; one end of the dust extraction pipe extends toward a material taking head located at the welding position, and the other end of the dust extraction pipe is connected to a negative pressure mechanism.

[0014] According to the present invention, a feeder plate welding device is provided, wherein the conveying mechanism further includes a slide rail and a driving component; the first feeder plate positioning component and the second feeder plate positioning component are movably disposed on the slide rail, and the driving component is used to drive the first feeder plate positioning component and the second feeder plate positioning component to move synchronously or separately.

[0015] The collector plate feeding and welding device provided by this invention achieves alternating feeding from both sides by setting a first collector plate positioning component and a second collector plate positioning component on both sides of the material handling mechanism. Since the positioning and welding of the collector plate both require a certain amount of time, this alternating feeding method reduces the welding waiting time and ensures the welding cycle time. In actual operation, the first collector plate positioning component moves to the first feeding position, and the feeding mechanism transfers the collector plate onto the first collector plate positioning component. At this time, the second collector plate positioning component is located at the material handling position, and the material handling mechanism picks up the collector plate from the second collector plate positioning component. Then, the first collector plate positioning component moves to the material handling position, and the material handling mechanism picks up the first collector plate. The first collector plate is positioned on the first feeding position, and the second collector plate positioning component is located at the second feeding position. The feeding mechanism transfers the collector plate to the second collector plate positioning component. Then, the first collector plate positioning component moves to the first feeding position, and the second collector plate positioning component moves to the picking position. The above process is repeated. After the picking mechanism picks up the material, welding is performed. By alternately feeding from both sides of the picking mechanism, picking can be performed while feeding, which is equivalent to buffering. Feeding and picking do not interfere with each other, reducing welding waiting time, ensuring welding cycle time, and avoiding the phenomenon that one of them fails and cannot feed at all, ensuring the reliability of feeding and thus ensuring overall efficiency. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in this invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of the feeder plate welding device provided by the present invention;

[0018] Figure 2 This is one of the overall structural schematic diagrams of the feeder plate welding device provided by the present invention;

[0019] Figure 3 This is a schematic diagram of the positioning fixture provided by the present invention;

[0020] Figure 4 This is the second schematic diagram of the overall structure of the feeder plate welding device provided by the present invention;

[0021] Figure 5 This is a schematic diagram of the structure of the shell carrier provided by the present invention;

[0022] Figure 6 yes Figure 5A magnified structural diagram at point A.

[0023] Figure label:

[0024] 1: Conveying mechanism; 11: First collector plate positioning assembly; 111: Positioning fixture; 1111: Positioning seat; 1112: Positioning block; 1113: Slider; 12: Second collector plate positioning assembly; 13: Slide rail;

[0025] 2: Material handling mechanism; 21: Material handling head; 22: Turntable;

[0026] 31: First loading position; 32: Unloading position; 33: Second loading position;

[0027] 4: Collector disk;

[0028] 51: Lifting mechanism; 52: Testing mechanism; 53: Cell carrier; 54: Galvanometer; 55: Dust extraction pipe;

[0029] 6: Battery cells. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this invention. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention.

[0031] In the description of the embodiments of the present invention, it should be noted that the terms "upper," "lower," "left," "right," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0032] In the description of the embodiments of the present invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of the present invention based on the specific circumstances.

[0033] The following is combined Figures 1 to 6The present invention describes the manifold feeding and welding apparatus.

[0034] like Figure 1 and Figure 2 As shown in the figure, the feeder welding device of this embodiment includes: a conveying mechanism 1 and a material handling mechanism 2.

[0035] The conveying mechanism 1 includes a first collecting plate positioning component 11 and a second collecting plate positioning component 12 arranged at intervals along the conveying direction; the collecting plate feeding and welding device has a first feeding position 31, a picking position 32 and a second feeding position 33 in sequence along the conveying direction, and the picking mechanism 2 is located at the picking position 32; the first collecting plate positioning component 11 and the second collecting plate positioning component are used to position the collecting plate, the first collecting plate positioning component 11 can switch between the first feeding position 31 and the picking position 32, and the second collecting plate positioning component 12 can switch between the second feeding position 33 and the picking position 32.

[0036] Specifically, the position switching between the first collector plate positioning component 11 and the second collector plate positioning component 12 can be achieved by setting two movers on a slide, one mover connected to the first collector plate positioning component 11 and the other mover connected to the second collector plate positioning component 12; when the first collector plate positioning component 11 is located at the first loading position 31, the second collector plate positioning component 12 is located at the picking position 32; when the first collector plate positioning component 11 is located at the picking position 32, the second collector plate positioning component 12 is located at the second loading position 33.

[0037] Specifically, the collector plate feeding and welding device shown in this embodiment achieves alternating feeding by setting a first collector plate positioning component 11 and a second collector plate positioning component 12 on both sides of the material handling mechanism 2. Since the positioning and welding of the collector plate 4 both require a certain amount of time, this alternating feeding method reduces the welding waiting time and ensures the welding cycle time. In actual operation, the first collector plate positioning component 11 moves to the first feeding position 31, and the feeding mechanism transfers the collector plate 4 onto the first collector plate positioning component 11. At this time, the second collector plate positioning component 12 is located at the material handling position 32, and the material handling mechanism 2 picks up the collector plate 4 from the second collector plate positioning component 12. Then, the first collector plate positioning component 11 moves to the material handling position 32, and the material handling mechanism 2 picks up the collector plate 4 from the second collector plate positioning component 12. The first collector plate 4 is taken from the first collector plate positioning component 11. At this time, the second collector plate positioning component 12 is located at the second loading position 33. The loading mechanism transfers the collector plate 4 to the second collector plate positioning component 12. Then, the first collector plate positioning component 11 moves to the first loading position 31, and the second collector plate positioning component 12 moves to the picking position 32. The above process is repeated. After the picking mechanism 2 picks up the material, welding is performed. By alternately loading the material on both sides of the picking mechanism 2, picking up the material can be done at the same time as loading, which is equivalent to buffering. Loading and picking up do not interfere with each other, reducing the waiting time for welding, ensuring the welding cycle, and avoiding the phenomenon that one of them fails and cannot load the material at all. This ensures the reliability of loading and thus ensures the overall efficiency.

[0038] It should be noted that, in Figure 1 In the diagram, dashed boxes indicate the first loading position 31, the unloading position 32, and the second loading position 33, respectively; Figure 2 In the diagram, a solid line indicates that the first collector plate positioning component 11 is located at the first loading position 31, the second collector plate positioning component 12 is located at the unloading position 32, and a dashed line indicates that the second collector plate positioning component 12 is located at the second loading position 33.

[0039] In some embodiments, such as Figure 1 and Figure 2 As shown, the first collector plate positioning component 11 and the second collector plate positioning component 12 in this embodiment have the same structure, both including multiple positioning clamps 111, which are arranged along the conveying direction. The number of positioning clamps 111 is positively correlated with the welding time and positioning time of the collector plate 4. It can be understood that the longer the welding time and positioning time, the more positioning clamps 111 there are, so as to ensure that there are enough collector plates 4 in the buffer for picking and welding, reducing the welding waiting time and ensuring the welding cycle time.

[0040] When one of the multiple positioning fixtures 111 moves to a position relative to the material handling mechanism 2, the material handling mechanism 2 is used to pick up the collector plate on the positioning fixture 111.

[0041] Combination Figure 1 and Figure 2 Taking a total of 6 positioning fixtures 111 as an example, the entire feeding process will be described. For ease of description, the following will be used: Figure 1 The six positioning fixtures are numbered from left to right as positioning fixture a, positioning fixture b, positioning fixture c, positioning fixture d, positioning fixture e, and positioning fixture f.

[0042] Step 1: The positioning fixture d moves to the material picking position 32 for the material picking mechanism 2 to pick up the material;

[0043] The second step is to move the positioning fixture e to the material picking position 32 for the material picking mechanism 2 to pick up the material. At this time, the first collector plate positioning component 11 has sufficient loading space to load the positioning fixtures a, b and c.

[0044] Step 3: The positioning fixture f moves to the material picking position 32 for the material picking mechanism 2 to pick up the material;

[0045] Step 4: The positioning fixture c moves to the material picking position 32 for the material picking mechanism 2 to pick up the material;

[0046] Step 5: Positioning fixture b moves to the material picking position 32 for material picking mechanism 2 to pick up material. At this time, there is sufficient loading space on the second collector plate positioning component 12 to load materials onto positioning fixtures d, e and f.

[0047] Step 6: Positioning fixture a moves to material handling position 32 for material handling mechanism 2 to handle the material;

[0048] Then proceed with steps one through six in sequence, and repeat this cycle.

[0049] In some embodiments, such as Figure 3 As shown, the positioning fixture 111 in this embodiment includes a positioning base 1111, a clamping block drive member, and a plurality of positioning clamping blocks 1112; the plurality of positioning clamping blocks 1112 are arranged circumferentially along the positioning base 1111, and the clamping block drive member is used to drive the plurality of positioning clamping blocks 1112 to move closer or further apart.

[0050] The positioning seat 1111 is provided with a positioning groove, which positions the collector plate 4 once. Then, multiple positioning clamping blocks 1112 approach each other to clamp the collector plate 4, thereby performing a secondary positioning in a correction manner.

[0051] Furthermore, an optical fiber sensor can be installed on the positioning fixture 111 to detect whether there is a collector plate on the positioning seat 1111.

[0052] Furthermore, a proximity sensor can be installed on the positioning fixture 111. The proximity sensor is used to detect the distance between the top of the positioning seat 1111 and the bottom of the collector plate, thereby determining whether the collector plate is placed in place, so as to ensure monitoring of whether the collector plate is placed backwards or crookedly.

[0053] In some embodiments, such as Figure 4 As shown, the collecting plate feeding device shown in this embodiment also includes: a lifting mechanism 51; the lifting mechanism 51 is located at the material taking position 32, and the lifting mechanism 51 is arranged opposite to the material taking pressure head 21 of the material taking mechanism 2, that is, the lifting mechanism 51 is located directly below the material taking mechanism 2, and the lifting mechanism 51 is used to lift the collecting plate 4 of the material taking position 32 into the material taking pressure head 21.

[0054] Furthermore, both the first collector plate positioning assembly 11 and the second collector plate positioning assembly 12 are provided with sliders 1113 that can move in the vertical direction. The sliders 1113 are used to support the collector plate 4, and the lifting mechanism 51 is detachably connected to the sliders 1113.

[0055] Specifically, each positioning clamp 111 is provided with a slider 1113 that can move vertically. The center of the positioning groove has a through hole that matches the slider 1113, allowing the slider 1113 to slide within the through hole. The through hole guides the slider 1113. When the collecting plate 4 is placed in the positioning groove and contacts the slider 1113, the collecting plate 4 is positioned twice by multiple positioning clamps 1112. Then, the negative pressure suction port on the slider 1113 adsorbs the collecting plate 4. Afterward, the multiple positioning clamps 1112 move away from each other to release the collecting plate 4. When any one of the six positioning fixtures 111 moves the collecting plate 4 directly above the lifting mechanism 51, the lifting mechanism 51 opens and connects with the slider on the positioning fixture 111. The slider 1113 is pushed upward and moves the collecting plate 4 toward the material-receiving pressure head. The collecting plate 4 leaves the positioning groove until it enters the material-receiving pressure head 21. After the material-receiving pressure head 21 absorbs the collecting plate 4, the negative pressure suction hole on the slider releases the collecting plate 4. The lifting mechanism 51 drives the slider to retract, and the material-receiving pressure head 21 carries the collecting plate 4 to the next welding step.

[0056] Among them, the lifting mechanism 51 can be a cylinder.

[0057] In some embodiments, such as Figure 1 and Figure 2As shown, the material handling mechanism 2 in this embodiment includes a turntable 22, a material handling position 32, a detection position, and a welding position arranged sequentially along the rotation direction of the turntable. The turntable 22 is equipped with multiple material handling heads 21, and the number of material handling heads 21 is greater than or equal to three. Three of the multiple material handling heads 21 are respectively configured to correspond one-to-one with the material handling position 32, the detection position, and the welding position. The material handling heads 21 are used to cyclically switch between the material handling position 32, the detection position, and the welding position along the rotation direction of the turntable 22. That is, after the material handling head 21 adsorbs the current collector 4 at the material handling position 32, it moves to the detection position for detection under the rotation of the turntable 22. The detection position is equipped with an optical fiber sensor. The device is used to detect whether the current picking head 21 has a collector plate 4, to prevent the collector plate 4 from failing to pick up the material at the picking position 32, or from falling off before rotating to the detection position. After the detection is completed, if the detection position detects the presence of the collector plate 4, the turntable 22 continues to rotate, and the picking head 21 carries the collector plate 4 to the welding position to weld the collector plate 4 to the battery cell. After welding is completed, the picking head 21 separates from the collector plate 4 and returns to the picking position 32 under the rotation of the turntable 22 to perform the picking operation of the next collector plate 4. If the detection position does not detect the presence of the collector plate 4, no welding operation will be performed on this picking head 21.

[0058] By setting multiple material handling heads 21, material handling, inspection and welding can be carried out simultaneously, further ensuring the welding cycle time.

[0059] exist Figure 1 and Figure 2 The diagram illustrates the setting of four material-taking heads 21, meaning one material-taking head 21 is in an idle state. The number of material-taking heads 21 can be reasonably set according to the welding efficiency, the workload required to weld a battery cell, and the time required for a current collector positioning mechanism to complete material preparation, ensuring the maximization of the welding cycle. At the same time, the more material-taking heads 21 there are, the smaller the angle that the turntable 22 needs to rotate when driving the material-taking heads 21 to switch positions, and correspondingly, the overall cycle is more compact.

[0060] In some embodiments, such as Figure 1 As shown, the current collector loading and welding device shown in this embodiment further includes: a detection mechanism 52; the detection end of the detection mechanism 52 faces the material picking head 21 of the detection position, and the detection mechanism 52 is used to determine whether the current collector is picked up on the material picking head 21 of the detection position, that is, the detection mechanism 52 is used to detect whether there is a current collector on the material picking head 21.

[0061] The detection mechanism 52 includes an optical fiber sensor, which determines whether there is a collector plate 4 on the material handling head 21. If the collector plate 4 is found, the turntable 22 continues to rotate to the welding position and performs the welding operation. If the collector plate is not detected, the material handling head 21 will not be welded.

[0062] In some embodiments, such as Figures 4 to 6 As shown, the current collector loading and welding device shown in this embodiment further includes: a cell carrier 53; when the cell carrier 53 carries the cell to the welding position, the cell carrier 53 is used to lift the cell to below the material pick-up head 21 of the welding position, so that the end of the cell abuts against the current collector 4, thereby welding the current collector 4 to the end of the cell.

[0063] In some embodiments, such as Figure 2 and Figure 4 As shown, the current collector plate feeding and welding device in this embodiment further includes: a galvanometer 54; the galvanometer 54 is located at the welding position and faces the material taking head 21 located at the welding position. The laser beam adjusted by the galvanometer 54 irradiates the position to be welded on the current collector plate 4 through the hollow structure of the material taking head 21. That is, the galvanometer 54 adjusts the output angle of the laser beam so that the laser passes through the hollow position of the material taking head 21 and irradiates the corresponding position to be welded on the current collector plate 4, thereby welding multiple positions to be welded on the current collector plate 4.

[0064] In some embodiments, such as Figure 1 , Figure 4 and Figure 5 As shown in the figure, the collecting plate feeding and welding device shown in this embodiment also includes: a dust extraction pipe 55; one end of the dust extraction pipe 55 extends to the material taking head 21 of the welding position, and the other end of the dust extraction pipe 55 is connected to the negative pressure mechanism to extract the smoke and dust generated during the welding process of the collecting plate 4 and the shell.

[0065] In some embodiments, such as Figure 1 and Figure 2 As shown, the conveying mechanism 1 in this embodiment also includes a slide rail 13 and a driving component; the first collector plate positioning component 11 and the second collector plate positioning component 12 are movably disposed on the slide rail 13, and the driving component is used to drive the first collector plate positioning component 11 and the second collector plate positioning component 12 to move synchronously or separately, so that while one collector plate positioning component is in the feeding state, the other collector plate positioning component is in the picking state, thereby realizing alternating feeding and feeding buffer.

[0066] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A feeder plate welding device, characterized in that, include: Conveying mechanism, lifting mechanism, and material handling mechanism; The conveying mechanism includes a first collector plate positioning component and a second collector plate positioning component that are spaced apart along the conveying direction; The collecting plate feeding and welding device has a first feeding position, a picking position and a second feeding position in sequence along the conveying direction. The picking mechanism is located at the picking position. The lifting mechanism is located at the picking position. The lifting mechanism and the picking pressure head of the picking mechanism are arranged opposite to each other. The lifting mechanism is used to lift the collecting plate located at the picking position into the picking pressure head. The first collecting plate positioning component can switch between the first feeding position and the feeding position, and the second collecting plate positioning component can switch between the second feeding position and the feeding position; both the first collecting plate positioning component and the second collecting plate positioning component are provided with a slider that can move in the vertical direction, the slider is used to support the collecting plate, and the lifting mechanism is detachably connected to the slider.

2. The manifold feeding and welding device according to claim 1, characterized in that, The first collector plate positioning component and the second collector plate positioning component have the same structure, both including multiple positioning clamps, which are arranged along the conveying direction; the number of positioning clamps is positively correlated with the welding time and positioning time of the collector plate; When one of the plurality of positioning fixtures moves to a position relative to the picking mechanism, the picking mechanism is used to pick up the collector plate on the positioning fixture.

3. The manifold feeding and welding device according to claim 2, characterized in that, The positioning fixture includes a positioning base, a clamping block drive component, and multiple positioning clamping blocks; The plurality of positioning clamps are arranged circumferentially along the positioning seat, and the clamp driving member is used to drive the plurality of positioning clamps to move closer or further apart.

4. The feeder and welding device for the manifold as described in claim 1, characterized in that, The material handling mechanism includes a turntable, and the material handling position, detection position and welding position are arranged sequentially along the rotation direction of the turntable. The turntable is provided with multiple material handling heads, and the number of material handling heads is greater than or equal to 3. Three of the multiple material handling heads are respectively set to correspond one-to-one with the material handling position, the detection position and the welding position. The material-taking pressure head is used to cyclically switch between the material-taking position, the detection position, and the welding position along the rotation direction of the turntable.

5. The manifold feeding and welding device according to claim 4, characterized in that, This also includes: testing institutions; The detection end of the detection mechanism faces the material-picking head of the detection position, and a collector plate is picked up on the material-picking head of the detection mechanism used to determine the detection position.

6. The manifold feeding and welding device according to claim 4, characterized in that, Also includes: cell carriers; When the cell carrier moves the cell to the welding position, the cell carrier is used to lift the cell below the pick-up pressure head of the welding position.

7. The manifold feeding and welding device according to claim 4, characterized in that, Also includes: galvanometer; The galvanometer is located at the welding position and faces the material taking head located at the welding position. The laser beam adjusted by the galvanometer irradiates the welding position of the collector plate through the hollow structure of the material taking head.

8. The manifold feeding and welding device according to claim 1, characterized in that, The conveying mechanism also includes a slide rail and a drive component; The first collector plate positioning component and the second collector plate positioning component are movably mounted on the slide rail, and the driving component is used to drive the first collector plate positioning component and the second collector plate positioning component to move synchronously or separately.

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