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CN-224226181-U - Automatic feeding system and battery production line

CN224226181UCN 224226181 UCN224226181 UCN 224226181UCN-224226181-U

Abstract

The application relates to an automatic feeding system and a battery production line, which comprises an automatic material sucking unit, a conveying line, a vibration unit, a material sucking gun, a metering bin and a gas circulation loop, wherein the automatic material sucking unit comprises a second bin, the conveying line is used for conveying a material container, one end of the conveying line extends into the second bin and is configured as a discharging station, the vibration unit is arranged at the discharging station and is used for vibrating the material container positioned at the discharging station, the material sucking gun is arranged in the second bin and is used for sucking materials in the material container, the metering bin is connected with a discharge hole of the material sucking gun through a conveying pipeline, and the gas circulation loop is communicated with the metering bin and the second bin to form a closed gas circulation channel. The automatic feeding system and the battery production line have the advantage of low cost.

Inventors

  • DENG JIE
  • ZHU CHUNFANG
  • WANG HUAPENG
  • WU KAI

Assignees

  • 宁德时代新能源科技股份有限公司

Dates

Publication Date
20260512
Application Date
20260226

Claims (14)

  1. 1. An automatic feed system, the automatic feed system comprising: an automatic suction unit (100) comprising a second chamber (120); A conveyor line (200) for conveying material containers (900), one end of the conveyor line (200) extending into the second bin (120) and being configured as a blanking station (210); The vibration unit (300) is arranged at the blanking station (210) and is used for vibrating the material container (900) positioned at the blanking station (210); A material sucking gun (400) arranged in the second bin (120) and used for sucking materials in the material container (900); A metering bin (500) and a gas circulation circuit (600); The metering bin (500) is connected with a discharge hole (410) of the material sucking gun (400) through a conveying pipeline (510), and the gas circulation loop (600) is communicated with the metering bin (500) and the second bin (120) to form a closed gas circulation channel.
  2. 2. The automatic feed system of claim 1, wherein the gas circulation loop (600) comprises a second filter (620), a fan (630), a cooler (640), a pressure relief tank (650) and a dryer (660) which are arranged in sequence end to end, wherein the second filter (620) is connected with the gas outlet (520) of the metering bin (500), and the dryer (660) is connected with the gas inlet (121) of the second bin (120).
  3. 3. The automatic feed system of claim 2, wherein the gas circulation loop (600) further comprises a first filter (610), the first filter (610) being disposed within the gas outlet (520) of the metering bin (500).
  4. 4. An automatic feeding system according to any one of claims 1 to 3, wherein the automatic suction unit (100) further comprises a first chamber (110), a hydrogen sulfide sensor (160) and a dew point sensor (170), the first chamber (110) being arranged at the inlet side of the second chamber (120), an end of the conveyor line (200) passing through the first chamber (110) and extending into the second chamber (120); The hydrogen sulfide sensor (160) is arranged in the first bin (110), and the dew point sensor (170) is arranged in the second bin (120).
  5. 5. The automatic feed system of claim 4, wherein the first chamber (110) and the second chamber (120) are separated by an openable and closable second isolation door (132), and/or, An openable and closable first isolation door (131) is arranged at the inlet of the first bin (110).
  6. 6. The automatic feed system of claim 4, wherein the automatic suction unit (100) further comprises a negative pressure recovery line (140) and a gas supply line (150), the gas supply line (150) being connected to the first chamber (110) for providing dry gas to the first chamber (110), the negative pressure recovery line (140) being connected to the first chamber (110) for withdrawing exhaust gas from the first chamber (110).
  7. 7. The automatic feed system of claim 6, wherein when the transfer line (200) inputs the material container (900) into the first chamber (110), the air supply line (150) supplies air to the first chamber (110) to enable the first chamber (110) to maintain a micro-positive pressure state with an internal air pressure higher than ambient air pressure, and/or, When the material container (900) is transferred from the first chamber (110) to the second chamber (120), the negative pressure recovery pipeline (140) pumps out the gas in the first chamber (110), so that the first chamber (110) can maintain a micro negative pressure state that the internal air pressure is lower than the ambient air pressure.
  8. 8. The automatic feed system of claim 4, wherein the gas circulation loop (600) is configured to maintain the second chamber (120) in a micro negative pressure state with an internal gas pressure below ambient atmospheric pressure.
  9. 9. An automatic feeding system according to any one of claims 1 to 3, wherein the conveyor line (200) comprises a plurality of consecutive link conveyors (230), wherein a first link conveyor (230) is configured as a loading station (220) and a last link conveyor (230) is configured as a unloading station (210); Each section of chain plate conveyor (230) comprises two rows of chain plates (231) which are arranged in parallel, a plurality of rollers (232), a plurality of supports (233) and a driving device, wherein the rollers (232) are arranged in parallel and at intervals, two ends of each roller (232) are respectively and rotatably connected to the two rows of chain plates (231), the supports (233) are used for supporting the chain plates (231), and the driving device is in transmission connection with the rollers (232).
  10. 10. The automatic feed system of claim 9, wherein the vibration unit (300) comprises a lifting plate (310), a plurality of support columns (320), a lifting drive (330), and an elastic support column (340); The lifting plate (310) is arranged below the chain plate (231) of the blanking station (210), the lifting driving device (330) is in transmission connection with the lifting plate (310) and is used for driving the lifting plate (310) to be close to or far away from the chain plate (231), the supporting columns (320) are fixed on the lifting plate (310) and are inserted into gaps between two adjacent rollers (232), and the elastic supporting columns (340) are elastically supported at two ends of the lifting plate (310); when the lifting driving device (330) drives the lifting plate (310) to be attached to the chain plate (231), the supporting columns (320) protrude from gaps between two adjacent rollers (232), and the top ends of the supporting columns (320) are higher than the bearing surface formed by all the rollers (232).
  11. 11. An automatic feed system according to any one of claims 1 to 3, further comprising a code scanning device (710); One end of the conveying line (200) far away from the blanking station (210) is configured as a feeding station (220), and the code scanning device (710) is arranged on the feeding station (220) and used for scanning and recording the material container (900).
  12. 12. An automatic feed system according to any one of claims 1 to 3, further comprising at least two load cells (720); One end of the conveying line (200), which is far away from the blanking station (210), is configured as a feeding station (220), at least one weighing sensor (720) is arranged at the feeding station (220), and at least one other weighing sensor (720) is arranged at the blanking station (210).
  13. 13. An automatic feed system according to any one of claims 1 to 3, further comprising a screw feeder (730) and a control valve (740), the screw feeder (730) being connected to the feed port of the metering hopper (500), the control valve (740) being arranged on the outlet side of the screw feeder (730).
  14. 14. A battery production line comprising an automatic feed system according to any one of claims 1 to 13.

Description

Automatic feeding system and battery production line Technical Field The application relates to the technical field of battery manufacturing, in particular to an automatic feeding system and a battery production line. Background The more widely used battery devices are in view of the development of market situations. The battery device is not only applied to energy storage power supply systems such as hydraulic power, firepower, wind power and solar power stations, but also widely applied to electric vehicles such as electric bicycles, electric motorcycles, electric automobiles and the like, and various fields such as aerospace and the like. With the continuous expansion of the application field of battery devices, the market demand of the battery devices is also continuously expanding. In the production process of the battery, powder raw materials such as anode active materials, electrolyte raw materials and the like are usually transferred from a packaging barrel to a feeding device in a manual unpacking and pouring mode, but the mode is high in labor intensity and long in operation period, operators can be directly or indirectly exposed to toxic and harmful powder (such as sulfide) environments, occupational health risks are high, meanwhile, compressed air is often used as a power source for conveying the powder raw materials, explosive mixtures can be formed after the dangerous raw materials are mixed with the air, even if nitrogen protection is adopted, the protection gas is not recycled due to the fact that most systems are in an open-circuit direct-discharge mode, huge waste of high-purity nitrogen is caused, waste gas treatment cost and environmental burden are increased, and finally, the production cost of the battery is huge. Disclosure of utility model Based on the above, it is necessary to provide an automatic feeding system and a battery production line for the problem of huge battery production cost. The first aspect of the embodiment of the application provides an automatic feeding system, which comprises an automatic material sucking unit, a conveying line, a vibration unit, a material sucking gun, a metering bin and a gas circulation loop, wherein the automatic material sucking unit comprises a second bin, the conveying line is used for conveying a material container, one end of the conveying line extends into the second bin and is configured as a discharging station, the vibration unit is arranged at the discharging station and is used for vibrating the material container positioned at the discharging station, the material sucking gun is arranged in the second bin and is used for sucking materials in the material container, the metering bin is connected with a discharge hole of the material sucking gun through a conveying pipeline, and the gas circulation loop is communicated with the metering bin and the second bin to form a closed gas circulation channel. The automatic material sucking unit and the second bin constitute relatively closed space, and the closed gas circulating passage is established via combining with the gas circulating loop to form one closed gas circulating passage for the inert gas to flow, so that the harmful gas inside the material is effectively prevented from being produced and explosion risk eliminated, the material sucking gun absorbs the material inside the material container in negative pressure mode, the gas circulating loop is communicated with the gas outlet of the metering bin and the gas inlet of the second bin to form one closed gas circulating passage, the protecting gas is transferred to the metering bin via the material sucking gun to form the required material, the material sucking gun is used to clean the material sucking chamber, the material sucking gun is used to suck the material, the material sucking chamber is used to suck the material, the material is exhausted from the material sucking chamber, and the material sucking chamber is used to suck the material, and the material is exhausted from the material sucking chamber is high in vibration and has low vibration consumption, the transfer rate and the batch consistency of the raw materials are obviously improved, the loss condition of the raw materials is reduced, and the production cost of the battery is finally reduced. In one embodiment, the gas circulation loop comprises a second filter, a fan, a cooler, a pressure relief tank and a dryer which are sequentially connected end to end, wherein the second filter is connected with the gas outlet of the metering bin, and the dryer is connected with the gas inlet of the second bin. Through arranging the second filter, the fan, the cooler, the pressure-relief tank and the dryer in turn in an end-to-end connection way, a complete and efficient gas purification and regeneration closed loop is formed, the cyclic utilization rate of the protective gas is greatly improved while the purity and dryness of the inert atmosphere in the second bin are continu