A NG sorting device for lithium-ion power batteries

Abstract

The present invention discloses a NG sorting device for lithium-ion power batteries, comprising a mounting platform and an NG sorting mechanism disposed on the mounting platform, a tray inflow mechanism, a tray internal logistics line, a tray lifting and circulation mechanism, a dummy battery tray positioning and circulation mechanism, and a control mechanism. The NG sorting mechanism comprises a support frame, a longitudinal drive unit, and a battery gripper unit for driving the battery gripper unit to move longitudinally. The tray inflow mechanism and the dummy battery tray positioning and circulation mechanism are disposed at the longitudinal ends of the mounting platform, respectively. The tray internal logistics line is disposed on the mounting platform and is located between the tray inflow mechanism and the dummy battery tray positioning and circulation mechanism. The tray lifting and circulation mechanism comprises a lifting cylinder and an NG tray internal conveying line. The control mechanism is disposed on the mounting platform and comprises several control boxes with built-in controllers. The beneficial effects of the present invention are: reducing manpower, eliminating safety hazards, ensuring continuous equipment operation, and improving production efficiency.

Description

Technical Field

[0001] The present invention relates to a NG sorting device for lithium-ion power batteries, and belongs to the field of automated machinery, in particular to the field of automated machinery for transporting products. Background Art

[0002] In recent years, lithium-ion batteries have seen rapid development in portable electronic products, electric toys, electric vehicles, large-scale power supplies, and energy storage due to their advantages, including high operating voltage, high energy density, long cycle life, no memory effect, no environmental pollution, and high current charge and discharge capabilities. However, during the production of lithium-ion power batteries, various reasons can lead to defective batteries, which need to be sorted out. However, after sorting out the defective batteries from the NG tray, empty spaces will appear in the tray, requiring the replacement of fake batteries before the next process can proceed. These operations usually require manual labor, requiring manual sorting of the defective batteries, the replacement of the fake batteries in the empty spaces, and manual handling. This not only consumes a large amount of manpower but also requires equipment downtime, significantly impacting production efficiency. Summary of the Invention

[0003] In order to solve the above problems, the present invention proposes a NG sorting device for lithium-ion power batteries, which can avoid manual picking of NG batteries, replenishing fake batteries and manual handling operations, thereby reducing manpower, eliminating safety hazards, ensuring non-stop operation of the equipment, and improving production efficiency.

[0004] The NG sorting equipment for lithium-ion power batteries of the present invention is characterized by comprising: an installation platform and an NG sorting mechanism arranged on the installation platform, a tray inflow mechanism, a tray internal logistics line, a tray lifting and circulation mechanism, a dummy battery tray positioning and circulation mechanism, and a control mechanism;

[0005] The NG sorting mechanism includes a support frame, a longitudinal drive unit, and a battery grabbing unit. The support frame is arranged on the mounting platform, and a horizontal guide rail is laid on the top of the support frame. A battery circulation space is left between the horizontal guide rail and the mounting platform. The axial direction of the horizontal guide rail is defined as the longitudinal direction; the direction perpendicular to the horizontal guide rail is defined as the transverse direction, with one transverse direction defined as the forward direction and the other as the backward direction; the longitudinal drive unit is arranged on the support frame, and the action end of the longitudinal drive unit is connected to the battery grabbing unit to drive the battery grabbing unit to move longitudinally;

[0006] The tray inflow mechanism and the dummy battery tray positioning and circulation mechanism are respectively arranged at the two longitudinal ends of the installation platform;

[0007] The pallet inflow mechanism includes a pallet transport line and a first barcode scanner, wherein the first barcode scanner is arranged on the pallet transport line and is used to scan the ID code of the pallet to obtain the battery information in the pallet;

[0008] The fake battery tray positioning and circulation mechanism includes a fake battery tray conveyor line and a second barcode scanner. The second barcode scanner is arranged on the fake battery tray conveyor line and is used to scan the ID code of the fake battery tray to obtain battery information in the fake battery tray;

[0009] The internal logistics line of the pallet is arranged on the installation platform and is located between the pallet inflow mechanism and the dummy battery pallet positioning and circulation mechanism. The input end of the internal logistics line of the pallet is connected to the pallet inflow mechanism, and the output end of the internal logistics line of the pallet is connected to the dummy battery pallet positioning and circulation mechanism. A plurality of transverse gaps are arranged on the internal logistics line of the pallet.

[0010] The pallet lifting and circulation mechanism includes a lifting cylinder and an internal conveying line for NG pallets. The lifting cylinder is arranged below the internal logistics line for the pallets. The internal conveying line for NG pallets is connected to the lifting end of the lifting cylinder. The internal conveying line for NG pallets vertically passes through the horizontal gap under the drive of the lifting cylinder to discharge the NG pallets.

[0011] The control mechanism is arranged on the installation platform, and the control mechanism includes several control boxes with built-in controllers. The control ends of the control boxes are electrically connected to the NG picking mechanism, pallet inflow mechanism, pallet internal logistics line, pallet lifting and circulation mechanism, and fake battery pallet positioning and circulation mechanism.

[0012] Furthermore, the pallet internal logistics line is a roller conveyor line composed of multiple sets of pallet internal sub-logistics lines connected in sequence, each set of the pallet internal sub-logistics lines is equipped with a pallet lifting and circulation mechanism, and each set of the pallet internal sub-logistics lines is provided with an NG pallet conveyor line on the front and / or rear side, which is used to flow the NG pallets on the NG pallet internal conveyor line to the next process; the control end of each set of the pallet internal sub-logistics lines is electrically connected to the control end of the corresponding control box.

[0013] Furthermore, the NG pallet conveyor line is a roller conveyor line, and the NG pallet conveyor lines are all arranged in the transverse direction, and the control end of the NG pallet conveyor line is electrically connected to the control end of the corresponding control box.

[0014] Furthermore, the support frame includes columns and a pair of horizontal guide rails parallel to each other. The horizontal guide rails are supported directly above the installation platform by several columns, and the two ends of the horizontal guide rails extend to the two longitudinal ends of the installation platform respectively.

[0015] Furthermore, the longitudinal drive unit includes a longitudinal drive motor, a longitudinal guide rod, a longitudinal slider, a second drag chain assembly and a rack. The longitudinal guide rod is arranged on the horizontal guide rail; the longitudinal slider is slidably installed on the longitudinal guide rod; a cross plate is connected between the two longitudinal sliders, and a battery grabbing part is installed on the cross plate; the second drag chain assembly and the rack are respectively arranged side by side on both sides of the horizontal guide rail, the dragging end of the second drag chain assembly is connected to the longitudinal slider, and the rack is slidably arranged on the horizontal guide rail.

[0016] Furthermore, the battery grasping part includes a transverse driving part, a Z-axis linear module and a picking robot. The transverse driving part includes a gear, a transverse ball screw and a transverse slider. The transverse ball screw is rotatably arranged on the transverse plate. The end of the transverse ball screw is equipped with a gear, and the gear is engaged with the rack; the transverse slider is sleeved on the transverse ball screw, and the internal thread of the transverse slider is engaged with the external thread of the transverse ball screw; the Z-axis linear module is vertically installed on the transverse slider, and the lifting component of the Z-axis linear module is connected to the picking robot.

[0017] Furthermore, the selection robot includes a mounting base, a transverse drive motor, a clamping cylinder and a clamping claw. The mounting base is connected to the lifting component of the Z-axis linear module; the clamping cylinder is installed on the mounting base, and the clamping end of the clamping cylinder is equipped with a clamping claw; the transverse drive motor is connected to the clamping cylinder through a gear rack transmission assembly, which is used to adjust the lateral position of the clamping cylinder.

[0018] Furthermore, several rear positioning cylinders are provided at longitudinal intervals at the rear of the installation platform, and the rear positioning cylinders are respectively located behind the NG pallet internal conveying line, the pallet internal sub-logistics line, and the dummy battery pallet conveying line, and the lateral pushing end of the rear positioning cylinder is equipped with a lateral pushing plate for adjusting the position of the NG pallet on the NG pallet conveying line, the pallet internal sub-logistics line, and the dummy battery pallet conveying line.

[0019] Furthermore, a side positioning cylinder is provided at the longitudinal end of the mounting platform, and a longitudinal pushing end of the side positioning cylinder is equipped with a longitudinal pushing plate for adjusting the position of the NG pallet on the NG pallet conveyor line and the dummy battery pallet conveyor line.

[0020] Furthermore, each set of the pallet internal sub-logistics line is equipped with a pallet positioning pin assembly, which includes a fixed base, a positioning pin, and a positioning cylinder. The positioning cylinder is mounted on the mounting platform, and the lifting end of the positioning cylinder is equipped with a fixed base. The fixed base is mounted on the mounting platform, and the positioning pin is vertically mounted on the fixed base. The top of the positioning pin has a pointed portion that inserts into the pin hole at the bottom of the pallet. When the NG pallet needs to be positioned, the positioning cylinder can be activated to cause the positioning pin to rise and insert into the positioning pin hole at the bottom of the pallet, thereby achieving the pallet positioning function.

[0021] Furthermore, position sensors are provided at the bottom of the tray inflow mechanism and the sub-logistics line inside the tray to detect the position of the NG tray.

[0022] The working process of the present invention is: pallets flow into the battery circulation space of the NG picking equipment through the pallet transport line, empty NG pallets flow in through the NG pallet conveyor line, and fake battery pallets loaded with fake batteries flow in through the fake battery pallet conveyor line, and side positioning cylinders and rear positioning cylinders are used to position various pallets, the first scanner scans the ID code of the pallet to obtain the battery information in the NG pallet, and the second scanner scans the ID code of the fake battery pallet to obtain the fake battery information in the fake battery pallet; the NG picking mechanism picks out the NG batteries in the pallet on the pallet transport line and places them into the NG pallet on the pallet internal logistics line, and accurately places the fake batteries into the pallet on the pallet transport line. After the pallet is full, it flows out through the pallet input line; and after the NG pallet is full, it flows out through the NG pallet internal conveyor line and the NG pallet conveyor line and is transported to the next process; after the fake battery pallet is empty, it flows out through the fake battery pallet conveyor line.

[0023] The beneficial effects of the present invention are: it can use a robot to replenish fake batteries, select NG batteries, and use a roller logistics line to move NG pallets and fake battery pallets online, thereby improving work efficiency, reducing manual handling, eliminating safety hazards, and ensuring non-stop operation of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural diagram of the present invention;

[0025] Figure 2 It is a front view of the present invention;

[0026] Figure 3 is a top view of the present invention;

[0027] Figure 4 It is a structural diagram of the NG selection mechanism of the present invention;

[0028] Figure 5 The present invention Figure 4 A partial enlarged view of

[0029] Figure 6 is a structural diagram of the positioning pin assembly of the present invention;

[0030] Figure 7 It is a structural diagram of the manipulator of the present invention;

[0031] Figure 8 This is a structural diagram of the pallet lifting and circulation mechanism of the present invention;

[0032] Figure 9 is a structural diagram of the tray inflow mechanism of the present invention;

[0033] Figure 10 It is a structural diagram of the internal logistics line of the pallet of the present invention. DETAILED DESCRIPTION

[0034] The following describes the specific implementation of the embodiment of the present invention in detail with reference to the accompanying drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the embodiment of the present invention and is not used to limit the embodiment of the present invention.

[0035] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0036] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0037] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0038] In the present invention, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0039] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0040] In the description of this specification, the reference terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

[0041] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with exemplary embodiments.

[0042] The NG sorting equipment for lithium-ion power batteries of the present invention comprises an installation platform 1 and an NG sorting mechanism 2, a tray inflow mechanism 3, a tray internal logistics line 9, a tray lifting and circulation mechanism 7, a dummy battery tray positioning and circulation mechanism 8, and a control mechanism.

[0043] The NG sorting mechanism 2 includes a support frame 21, a longitudinal drive unit 22, and a battery grabbing unit 23. The support frame 21 is arranged on the mounting platform 1. A horizontal guide rail 212 is laid on the top of the support frame 21. A battery circulation space is left between the horizontal guide rail 212 and the mounting platform 1. The axial direction of the horizontal guide rail 212 is defined as the longitudinal direction; the direction perpendicular to the horizontal guide rail 212 is defined as the transverse direction, with one transverse direction defined as the forward direction and the other as the backward direction; the longitudinal drive unit 22 is arranged on the support frame 21. The action end of the longitudinal drive unit 22 is connected to the battery grabbing unit 23, and is used to drive the battery grabbing unit 23 to move longitudinally.

[0044] The tray inflow mechanism 3 and the dummy battery tray positioning and circulation mechanism 8 are respectively arranged at the two longitudinal ends of the mounting platform 1, and the tray inflow mechanism 3 and the dummy battery tray positioning and circulation mechanism 8 are both arranged in the transverse direction for the transverse inflow and outflow of the tray;

[0045] The pallet inflow mechanism 3 includes a pallet conveyor line 31 and a first barcode scanner 32. The first barcode scanner 32 is arranged at the center of the pallet conveyor line 31 and is used to scan the ID code of the pallet to obtain the battery information in the pallet;

[0046] The fake battery tray positioning and circulation mechanism 8 includes a fake battery tray conveyor line 81 and a second barcode scanner 82. The second barcode scanner 82 is arranged at the center of the fake battery tray conveyor line 81 and is used to scan the ID code of the fake battery tray to obtain the battery information in the fake battery tray;

[0047] The pallet internal logistics line 9 is set on the installation platform 1 and is located between the NG pallet inflow mechanism 3 and the dummy battery pallet positioning and circulation mechanism 8. The input end of the pallet internal logistics line 9 is connected to the pallet inflow mechanism 3, and the output end of the pallet internal logistics line 9 is connected to the dummy battery pallet positioning and circulation mechanism 8; a plurality of transverse gaps are arranged on the pallet internal logistics line 9;

[0048] The pallet lifting and circulation mechanism 7 includes a lifting cylinder 71 and an NG pallet internal conveying line 72. The lifting cylinder 71 is arranged below the pallet internal logistics line 9; the NG pallet internal conveying line 72 is connected to the lifting end of the lifting cylinder 71; the NG pallet internal conveying line 72 is driven by the lifting cylinder 71 to vertically pass through the horizontal gap to discharge the NG pallet;

[0049] The control mechanism is arranged on the installation platform 1, and the control mechanism includes several control boxes 10 with built-in controllers. The control ends of the control boxes 10 are electrically connected to the NG selection mechanism 2, the pallet inflow mechanism 3, the pallet internal logistics line 9, the pallet lifting and circulation mechanism 7, and the fake battery pallet positioning and circulation mechanism 8 respectively.

[0050] Both the tray conveyor line 31 and the dummy battery tray conveyor line 81 are roller conveyor lines with their own powered rollers. When batteries need to be sorted, the tray containing the batteries is first fed into the sorting equipment via the tray conveyor line 31. A first barcode scanner scans the battery information on the tray, and the sorting robot 233 selects the "good" batteries from the tray and places them on the "good" tray. Dummy batteries are then added to the tray. Once the dummy battery tray is empty, it is returned to the dummy battery tray conveyor line 81.

[0051] In some embodiments of the present invention, the pallet internal logistics line 9 is a roller conveyor line composed of multiple sets of pallet internal sub-logistics lines 4 connected in sequence, each set of the pallet internal sub-logistics lines 4 is equipped with a pallet lifting and circulation mechanism 7, and each set of the pallet internal sub-logistics lines 4 is provided with an NG pallet conveyor line 6 on the front and / or rear side, which is used to flow the NG pallets conveyed by the pallet lifting and circulation mechanism 7 to the next process; the control end of each set of the pallet internal sub-logistics lines 4 is electrically connected to the control end of the corresponding control box 10.

[0052] In some embodiments of the present invention, the NG pallet conveyor line 6 is a roller conveyor line, and the NG pallet conveyor lines 6 are all arranged horizontally, and the control end of the NG pallet conveyor line 6 is electrically connected to the control end of the corresponding control box 10.

[0053] In some embodiments of the present invention, the mounting platform 1 is a rectangular or quasi-rectangular platform with its long side oriented longitudinally and its short side oriented transversely. A plurality of adjustment feet 11 are provided at intervals on the bottom of the mounting platform 1 to adjust the levelness of the mounting platform, ensuring that the entire mounting platform is level, facilitating the installation of other components of the selection device.

[0054] In some embodiments of the present invention, the support frame 21 includes uprights 211 and a pair of parallel horizontal rails 212. The horizontal rails 212 are horizontally supported directly above the mounting platform 1 by four uprights 211, with the ends of the horizontal rails 212 extending to the longitudinal ends of the mounting platform 1. The horizontal rails 212 are parallel to each other and have a length roughly equal to the length of the mounting platform 1, ensuring that the NG sorting mechanism 2 covers the entire mounting platform 1, thereby selecting or replenishing batteries below.

[0055] In some embodiments of the present invention, the longitudinal drive unit 22 includes a longitudinal guide rod 222, a longitudinal slider 223, a second drag chain assembly 227 and a rack 228, the longitudinal guide rod 222 is arranged on the horizontal guide rail 212; the longitudinal slider 223 is slidably installed on the longitudinal guide rod 222; a cross plate 224 is connected between the two longitudinal sliders 223, and the cross plate 224 is equipped with a battery grabbing unit 23; the second drag chain assembly 227 and the rack 228 are respectively arranged in parallel on both sides of the horizontal guide rail 212, the dragging end of the drag chain of the second drag chain assembly 227 is connected to the longitudinal slider 223, and the rack 228 is arranged on the horizontal guide rail 212.

[0056] In some embodiments of the present invention, the battery grasping part 23 includes a transverse driving part 231, a Z-axis linear module 232 and a picking robot 233. The transverse driving part 231 includes a gear 2311, a transverse ball screw 2312, and a transverse slider 2313. The transverse ball screw 2312 is rotatably arranged on the transverse plate 224. The end of the transverse ball screw 2312 is equipped with a gear 2311, and the gear 2311 is engaged with the rack 228; the transverse slider 2313 is sleeved on the transverse ball screw 2312, and the internal thread of the transverse slider 2313 is engaged with the external thread of the transverse ball screw 2312; the Z-axis linear module 232 is vertically installed on the transverse slider 2313, and the lifting component of the Z-axis linear module 232 is connected to the picking robot 233.

[0057] In some embodiments of the present invention, the picking robot 233 includes a mounting base 2331, a transverse drive motor 2333, a clamping cylinder 2334, and a clamping jaw 2335. The mounting base 2331 is connected to the lifting component of the Z-axis linear module 232. The clamping cylinder 2334 is mounted on the mounting base 2331, and the clamping end of the clamping cylinder 2334 is equipped with a clamping jaw 2335. The transverse drive motor 2333 is connected to the clamping cylinder 2334 via a gear rack assembly, which is used to adjust the lateral position of the clamping cylinder 2334 to accommodate different types and sizes of batteries.

[0058] In some embodiments of the present invention, a first drag chain assembly 226 is provided between the horizontal plate 224 and the picking robot 233. The dragging end of the first drag chain assembly 226 is connected to the mounting seat 2331 of the picking robot 233, and can drag the entire picking robot up and down.

[0059] In other embodiments of the present invention, the mounting base 2331 is provided with a transverse adjustment screw 2332; a pair of clamping cylinders 2334 are symmetrically mounted on the transverse adjustment screw 2332. The transverse adjustment screw 2332 and the clamping cylinders 2334 are connected via a transverse adjustment slider 2336. The transverse adjustment slider 2336 is sleeved on the transverse adjustment screw 2332 and threadedly connected to the transverse adjustment screw 2332. The transverse adjustment screw 2332 has two sections of threads with opposite rotation directions, each threadedly connected to a transverse adjustment slider 2336. A transverse drive motor 2333 is power-connected to the transverse adjustment screw 2332. The rotation of the transverse adjustment screw 2332 drives the transverse adjustment sliders 2336 to move toward or in opposite directions, thereby facilitating adjustment of the spacing between the two clamping cylinders 2334 to accommodate batteries of different models and sizes. Each clamping cylinder 2334 has two moving clamping ends equipped with clamping jaws 2335 to facilitate battery clamping. The clamping cylinder 2334 can move synchronously relative to each other and clamp the two ends of the battery at the same time to achieve the transfer of the battery.

[0060] In some embodiments of the present invention, several rear positioning cylinders 11 are provided at longitudinal intervals at the rear of the mounting platform 1. The rear positioning cylinders 11 are respectively located behind the NG pallet conveyor line 31, the pallet internal sub-logistics line 4, and the dummy battery pallet conveyor line 81, and the lateral pushing end of the rear positioning cylinder 11 is equipped with a lateral pushing plate 111, which is used to adjust the position of the NG pallet on the NG pallet conveyor line 31, the pallet internal sub-logistics line 4, and the dummy battery pallet conveyor line 81.

[0061] In some embodiments of the present invention, the NG pallet internal conveyor line 72 is a chain conveyor chain.

[0062] In some embodiments of the present invention, a side positioning cylinder 12 is provided at the longitudinal end of the mounting platform 1, and the longitudinal pushing end of the side positioning cylinder 12 is equipped with a longitudinal pushing plate 121 for adjusting the position of the NG pallet on the NG pallet conveyor line 31 and the dummy battery pallet conveyor line 81.

[0063] In some embodiments of the present invention, each set of the pallet internal sub-logistics line 4 is equipped with a pallet positioning pin assembly 5. The pallet positioning pin assembly 5 includes a fixed base 51, a positioning pin 52, and a positioning cylinder 53. The positioning cylinder 53 is mounted on the mounting platform 1, and the lifting end of the positioning cylinder 53 is equipped with the fixed base 51. The fixed base 51 is mounted on the mounting platform 1, and the positioning pin 52 is vertically mounted on the fixed base 51. The top of the positioning pin is provided with a pointed portion that is inserted into the pin hole at the bottom of the pallet. When the NG pallet needs to be positioned, the positioning cylinder 53 can be activated to cause the positioning pin 52 to rise and insert into the positioning pin hole at the bottom of the pallet, thereby achieving the purpose of pallet positioning.

[0064] In some embodiments of the present invention, position sensors are installed at the bottom of the pallet inflow mechanism 3 and the pallet internal sub-logistics line 4 to detect the position of the corresponding pallet. The position sensors on the pallet inflow mechanism 3 can determine whether there is a pallet on the pallet conveyor line 31. If a pallet is detected, the rear positioning cylinder 11 and the side positioning cylinder 12 are activated to adjust the position of the pallet on the pallet conveyor line 31.

[0065] The position sensor on the pallet internal sub-logistics line 4 can determine whether there is a pallet on the pallet internal sub-logistics line 4. If there is a pallet signal, the rear positioning cylinder 11 and the side positioning cylinder 12 are controlled to operate and adjust the position of the pallet on the pallet internal sub-logistics line 4.

[0066] The working process of the present invention is as follows: pallets flow into the battery circulation space of the NG picking equipment through the pallet transport line 31, empty NG pallets flow into the battery circulation space through the NG pallet conveyor line 6, and fake battery pallets loaded with fake batteries flow into the fake battery pallet conveyor line 81, and the side positioning cylinder 12 and the rear positioning cylinder 11 are used to position various pallets. The first barcode scanner 32 scans the ID code of the pallet to obtain the battery information in the NG pallet, and the second barcode scanner 82 scans the ID code of the fake battery pallet to obtain the fake battery information in the fake battery pallet; the NG picking mechanism 2 picks out the NG batteries in the pallet on the pallet transport line 31 and puts The dummy batteries are placed into the NG pallet on the internal logistics line 4 of the pallet, and the dummy batteries are accurately placed into the pallet on the pallet input line. After the pallet is full, it flows out through the pallet input line. After the NG pallet is full, it flows out through the NG pallet internal conveyor line and the NG pallet conveyor line and is transported to the next process. After the dummy battery pallet is empty, it flows out through the dummy battery pallet conveyor line. The entire process can control the action of each component through the various control boxes 10 of the control mechanism to achieve semi-automatic control of the selection. The action of the NG selection equipment can also be controlled by the control box or the controller with the control box on the electrical panel to achieve fully automatic control of the NG battery.

[0067] Although the embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and are not to be construed as limitations on the present invention. A person skilled in the art may change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A NG sorting device for lithium-ion power batteries, characterized by: It comprises an installation platform (1), an NG selection mechanism (2) arranged on the installation platform (1), a pallet inflow mechanism (3), a pallet internal logistics line (9), a pallet lifting and circulation mechanism (7), a dummy battery pallet positioning and circulation mechanism (8), and a control mechanism; The NG selection mechanism (2) includes a support frame (21), a longitudinal drive unit (22) and a battery grabbing unit (23). The support frame (21) is arranged on the mounting platform (1). A horizontal guide rail (212) is laid on the top of the support frame (21). A battery circulation space is left between the horizontal guide rail (212) and the mounting platform (1). The axial direction of the horizontal guide rail (212) is defined as the longitudinal direction; the direction perpendicular to the horizontal guide rail (212) is defined as the transverse direction, one transverse direction is defined as the forward direction, and the other direction is defined as the backward direction; the longitudinal drive unit (22) is arranged on the support frame (21), and the action end of the longitudinal drive unit (22) is connected to the battery grabbing unit (23) for driving the battery grabbing unit (23) to move longitudinally. The tray inflow mechanism (3) and the dummy battery tray positioning and circulation mechanism (8) are respectively arranged at the two longitudinal ends of the installation platform (1); The pallet inflow mechanism (3) includes a pallet transport line (31) and a first barcode scanner (32), wherein the first barcode scanner (32) is arranged on the pallet transport line (31) and is used to scan the ID code of the pallet to obtain battery information in the pallet; The fake battery tray positioning and circulation mechanism (8) comprises a fake battery tray conveying line (81) and a second code scanner (82), wherein the second code scanner (82) is arranged on the fake battery tray conveying line (81) and is used to scan the ID code of the fake battery tray to obtain fake battery information in the fake battery tray; The pallet internal logistics line (9) is arranged on the installation platform (1) and is located between the pallet inflow mechanism (3) and the dummy battery pallet positioning and circulation mechanism (8). The input end of the pallet internal logistics line (9) is docked with the pallet inflow mechanism (3), and the output end of the pallet internal logistics line (9) is docked with the dummy battery pallet positioning and circulation mechanism (8); a plurality of transverse gaps are arranged on the pallet internal logistics line (9); The pallet lifting and circulation mechanism (7) includes a lifting cylinder (71) and an NG pallet internal conveying line (72), wherein the lifting cylinder (71) is arranged below the pallet internal logistics line (9); the NG pallet internal conveying line (72) is connected to the lifting end of the lifting cylinder (71), and the NG pallet internal conveying line (72) vertically passes through the transverse gap under the drive of the lifting cylinder (71) to flow in and out of the NG pallet; The control mechanism is arranged on the installation platform (1), and the control mechanism includes a plurality of control boxes (10) with built-in controllers. The control ends of the control boxes (10) are respectively electrically connected to the NG selection mechanism (2), the pallet inflow mechanism (3), the pallet internal logistics line (9), the pallet lifting and circulation mechanism (7), and the dummy battery pallet positioning and circulation mechanism (8).

2. The NG sorting device for lithium-ion power batteries according to claim 1, characterized in that: The pallet internal logistics line (9) is a roller conveyor line composed of multiple sets of pallet internal sub-logistics lines (4) connected in sequence, each set of the pallet internal sub-logistics lines (4) is equipped with a pallet lifting and circulation mechanism (7), and each set of the pallet internal sub-logistics lines (4) is provided with an NG pallet conveyor line (6) on the front side and / or the rear side for conveying the NG pallets conveyed by the pallet lifting and circulation mechanism (7) to the next process; the control end of each set of the pallet internal sub-logistics lines (4) is electrically connected to the control end of the corresponding control box (10).

3. The NG sorting device for lithium-ion power batteries according to claim 2, characterized in that: The support frame (21) comprises a column (211) and a pair of parallel horizontal guide rails (212). The horizontal guide rails (212) are supported directly above the installation platform (1) through several columns (211). The two ends of the horizontal guide rails (212) extend to the two longitudinal ends of the installation platform (1).

4. The NG sorting device for lithium-ion power batteries according to claim 3, characterized in that: The longitudinal driving portion (22) comprises a longitudinal guide rod (222), a longitudinal slider (223), a second drag chain assembly (227) and a rack (228), wherein the longitudinal guide rod (222) is arranged on the horizontal guide rail (212); the longitudinal slider (223) is slidably mounted on the longitudinal guide rod (222); a transverse plate (224) is connected between the two longitudinal sliders (223), and a battery grabbing portion (23) is mounted on the transverse plate (224); the second drag chain assembly (227) and the rack (228) are respectively arranged side by side on both sides of the horizontal guide rail (212), the drag end of the second drag chain assembly (227) is connected to the longitudinal slider (223), and the rack (228) is slidably mounted on the horizontal guide rail (212).

5. The NG sorting device for lithium-ion power batteries according to claim 4, characterized in that: The battery grabbing part (23) includes a transverse driving part (231), a Z-axis linear module (232) and a picking manipulator (233). The transverse driving part (231) includes a gear (2311), a transverse ball screw (2312), and a transverse slider (2313). The transverse ball screw (2312) is rotatably arranged on the transverse plate (224). The end of the transverse ball screw (2312) is equipped with a gear (2311). The gear (2311) is engaged with the rack (228); the transverse slider (2313) is sleeved on the transverse ball screw (2312), and the internal thread of the transverse slider (2313) is engaged with the external thread of the transverse ball screw (2312); the Z-axis linear module (232) is vertically installed on the transverse slider (2313), and the lifting component of the Z-axis linear module (232) is connected to the picking robot (233).

6. The NG sorting device for lithium-ion power batteries according to claim 5, characterized in that: The picking robot (233) includes a mounting seat (2331), a transverse driving motor (2333), a clamping cylinder (2334) and a clamping claw (2335). The mounting seat (2331) is connected to the lifting component of the Z-axis linear module (232); the clamping cylinder (2334) is installed on the mounting seat (2331), and the clamping end of the clamping cylinder (2334) is equipped with a clamping claw (2335); the transverse driving motor (2333) is connected to the clamping cylinder (2334) through a gear rack transmission assembly.

7. The NG sorting device for lithium-ion power batteries according to claim 6, characterized in that: The rear portion of the installation platform (1) is provided with a plurality of rear positioning cylinders (11) at longitudinal intervals. The rear positioning cylinders (11) are respectively located behind the NG pallet internal conveying line (72), the pallet internal sub-logistics line (4), and the dummy battery pallet conveying line (81), and the lateral pushing end of the rear positioning cylinder (11) is equipped with a lateral pushing plate (111) for adjusting the position of the NG pallet on the NG pallet internal conveying line (72), the pallet internal sub-logistics line (4), and the dummy battery pallet conveying line (81).

8. The NG sorting device for lithium-ion power batteries according to claim 7, characterized in that: The longitudinal end of the mounting platform (1) is provided with a side positioning cylinder (12), and the longitudinal pushing end of the side positioning cylinder (12) is equipped with a longitudinal pushing plate (121) for adjusting the position of the NG pallet on the NG pallet internal conveyor line (72) and the dummy battery pallet conveyor line (81).

9. The NG sorting device for lithium-ion power batteries according to any one of claims 2 to 6, characterized in that: Each set of the pallet internal sub-logistics line (4) is equipped with a pallet positioning pin assembly (5), the pallet positioning pin assembly (5) includes a fixing seat (51), a positioning pin (52) and a positioning cylinder (53), the positioning cylinder (53) is arranged on the installation platform (1), and the lifting end of the positioning cylinder (53) is equipped with a fixing seat (51); the fixing seat (51) is arranged on the installation platform (1), the positioning pin (52) is vertically arranged on the fixing seat (51), and the top of the positioning pin is provided with a tip inserted into the pin hole at the bottom of the pallet.

10. The NG sorting device for lithium-ion power batteries according to claim 9, characterized in that: Position sensors are provided at the bottom of the tray inflow mechanism (3) and the tray internal sub-logistics line (4) for detecting the position of the NG tray.

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