Automatic mixing system for alkaline batteries

Abstract

The utility model discloses a kind of automatic mixing system of alkaline battery, its main material weighing station is provided with for main material tank, main material weighing table and main material cup;Auxiliary material weighing is provided with auxiliary material tank, auxiliary material weighing table and auxiliary material cup;Automatic mixing tank is installed between auxiliary material weighing table and main material weighing table, main material mechanical hand is installed in the side of main material weighing table, auxiliary material mechanical hand is installed in the side of auxiliary material weighing table;Automatic mixing tank is communicated with electrolyte tank by spray pipe, electrolyte tank is placed on electrolyte weighing table, servo pump is installed on spray pipe;Finished product barrel conveying mechanism is installed below automatic mixing tank, finished product barrel is placed on finished product barrel conveying mechanism, finished product weighing table is installed below finished product barrel conveying mechanism and can be lifted.The compact structure realizes laboratory full-automatic batching, improves experimental efficiency and the accuracy and reliability of experimental data.

Description

Technical Field

[0001] This utility model relates to battery processing equipment, and more particularly to an automatic mixing system for alkaline batteries. Background Technology

[0002] The core objective of the alkaline battery cathode material mixing process is to mix components such as manganese dioxide (MnO2, the active material), conductive agents (e.g., acetylene black), binders (e.g., polytetrafluoroethylene PTFE), and electrolyte (KOH solution) into a uniform, dense cathode slurry with good conductivity and formability. After mixing, the qualified cathode slurry must be packaged into a container in a measured quantity, ensuring it is free from contamination and stratification, to prevent moisture absorption, evaporation, or contamination by impurities during storage.

[0003] The current laboratory process for preparing the cathode slurry involves manually weighing each component, manually adding it to a mixing tank, stirring until homogeneous, then filling the tank and manually capping it. This process is significantly affected by human factors: on the one hand, manual operation easily leads to dust spillage, polluting the raw materials and the environment, and significantly impacting the purity and mixing accuracy of raw materials in small-batch experiments; on the other hand, manual capping after filling the tank is inefficient, and the cathode slurry contains a strongly alkaline KOH solution, requiring operators to directly contact the residual slurry at the tank opening, posing a health risk.

[0004] Given the various shortcomings of the aforementioned manual mixing process, there is an urgent need to develop automated mixing equipment for laboratory use, in order to improve experimental efficiency through automation and ensure the accuracy and reliability of experimental data. Utility Model Content

[0005] The purpose of this invention is to provide an automatic mixing system for alkaline batteries.

[0006] The technical solution to achieve the purpose of this utility model is: an automatic mixing system for alkaline batteries, comprising a main material weighing station and an auxiliary material weighing station arranged horizontally adjacent to each other. The main material weighing station has a main material tank and a main material weighing platform arranged from top to bottom, with a main material cup placed on the main material weighing platform. The auxiliary material weighing station has an auxiliary material tank and an auxiliary material weighing platform arranged from top to bottom, with an auxiliary material cup placed on the auxiliary material weighing platform. An automatic mixing tank is installed between the auxiliary material weighing platform and the main material weighing platform. A main material robot arm is installed on the side of the main material weighing platform for pouring the main material from the main material cup into the automatic mixing tank. A main material robot arm is installed on the side of the auxiliary material weighing platform for pouring the main material from the auxiliary material cup into the automatic mixing tank. The auxiliary materials are poured into the automatic mixing tank by an auxiliary material robot arm; the automatic mixing tank and the electrolyte tank are connected by a spray pipe, the electrolyte tank is placed on the electrolyte weighing platform, a servo pump is installed on the spray pipe, and a nozzle is installed at the output end of the spray pipe, the nozzle being located at the top inside the automatic mixing tank; a finished product barrel conveying mechanism is installed below the automatic mixing tank, and finished product barrels are placed on the finished product barrel conveying mechanism, and a finished product weighing platform is installed below the finished product barrel conveying mechanism that can be raised and lowered; the main material weighing platform, the auxiliary material weighing platform, the electrolyte weighing platform, the main material robot arm, the auxiliary material robot arm, the servo pump, and the finished product weighing platform are all communicatively connected to the control device.

[0007] Furthermore, the control device includes a voice receiver and a processor connected to each other. The voice receiver receives voice control commands from the user, and the processor controls the corresponding device to perform operations corresponding to the received voice control commands. Voice control improves the convenience of automatic dispensing operations and helps maintain equipment cleanliness.

[0008] Furthermore, the auxiliary material weighing station is equipped with an auxiliary material turntable, on which several auxiliary material tanks are mounted. The turntable structure makes the auxiliary material weighing station more compact.

[0009] Furthermore, the automatic mixing tank is a dual-motion mixer.

[0010] Furthermore, an automatic capping device for sequentially capping each finished product barrel is installed above the finished product barrel conveying mechanism. This device includes a first cap-pushing mechanism, a first base, and a second base. The first base is horizontally mounted on the frame. The first cap-pushing mechanism and the second base are positioned on opposite sides of the first base. A first material-pushing channel is formed on the first base from the side of the first cap-pushing mechanism towards the side of the second base. A barrel cap is placed on the first base. The first cap-pushing mechanism includes a retractable first push rod. The movement path of the first push rod is within the first material-pushing channel. The first push rod faces the barrel cap located on the first base, and its horizontal position is aligned with the bottommost barrel cap on the first base. The first base is horizontally higher than the second base. A limiting rod assembly is vertically installed above the first base. The limiting rod assembly includes two limiting rods located on the side closest to the second base and above both sides of the first pushing channel. A material passage gap exists between the bottom of each limiting rod and the upper surface of the first base, the height of which is slightly greater than the thickness of a bucket lid. A second pushing channel is provided on the second base. A second lid-pushing mechanism is installed between the first and second bases. The second lid-pushing mechanism includes a retractable second push rod for pushing the bucket lid pushed from the first base onto the second base. The automatic lid-adding device uses the first lid-pushing mechanism to push the bottommost bucket lid on the first base to the second base, and then the second lid-pushing mechanism pushes the bucket lid on the second base onto the finished product bucket, achieving automatic lid-adding for laboratory finished product buckets and improving work efficiency.

[0011] Furthermore, the first push-cover mechanism also includes a first push-cover cylinder, the first push rod is installed at the free end of the piston rod of the first push-cover cylinder, and the second push rod is the piston rod of the second push-cover cylinder.

[0012] Furthermore, the first pushing channel and the second pushing channel are parallel and connected. At this time, the axial direction of the piston rod of the first pushing cover cylinder is the same as the axial direction of the piston rod of the second pushing cover cylinder, and the installation structure is the most compact.

[0013] Furthermore, the limiting rod assembly includes four limiting rods, which are located on both sides of the first pushing channel and form a radial accommodating space for the bucket lid. There is a material passage gap between the bottom of each limiting rod and the upper surface of the first base, and the height of the material passage gap is slightly greater than the thickness of one bucket lid.

[0014] Furthermore, each end of the first push rod is horizontally mounted with an arm, the axial direction of each arm is parallel to the axial direction of the piston rod of the first push-top cylinder, the distance between the two arms is less than the diameter of the bucket lid, the vertical distance between each arm and the first base is slightly greater than the thickness of one bucket lid, and each arm has a top part extending from the end of the first push rod toward the side of the second base, the end of the top part near the side of the second base is wedge-shaped with gradually decreasing thickness.

[0015] The automatic alkaline battery mixing system of this invention precisely controls the amount of main and auxiliary materials added through a control device, uses a servo pump to control the electrolyte transmission speed, and uses a low speed to precisely control the electrolyte feed when it approaches the set value. The equipment achieves a batching accuracy of 0.05g. The spray feeding method makes the moisture of the powder more uniform. Its compact structure realizes fully automatic batching in the laboratory, improving experimental efficiency and the accuracy and reliability of experimental data. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main structure of the automatic alkaline battery mixing system described in an embodiment of the present invention; Figure 2 A three-dimensional structural diagram of the alkaline battery automatic mixing system of the present invention, excluding the electrolyte tank; Figure 3 This is a schematic diagram of the automatic capping device described in an embodiment of the present invention; Figure 4 This is a front view of the base and the first push-cover mechanism described in an embodiment of the present utility model. Detailed Implementation

[0017] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0018] like Figure 1 and Figure 2As shown, an automatic mixing system for alkaline batteries includes a main material weighing station 1 and an auxiliary material weighing station 2 arranged horizontally adjacent to each other. The main material weighing station 10 has a main material tank 11 and a main material weighing platform 12 arranged from top to bottom for storing the main material, with a main material cup 13 placed on the main material weighing platform 12. The auxiliary material weighing station 2 is equipped with an auxiliary material turntable 21, on which several auxiliary material tanks 22 are mounted. Below the auxiliary material turntable 21 is... An auxiliary material weighing platform 23 is provided, on which an auxiliary material cup 24 is placed. An automatic mixing tank 3 is installed between the auxiliary material weighing platform 23 and the main material weighing platform 12. A main material robot 14 for pouring the main material from the main material cup 13 into the automatic mixing tank 3 is installed on the side of the main material weighing platform 12. An auxiliary material robot 25 for pouring the auxiliary material from the auxiliary material cup 24 into the automatic mixing tank 3 is installed on the side of the auxiliary material weighing platform 23. An automatic mixing tank 3 is connected to an electrolyte tank 4 via a spray pipe 41. The electrolyte tank 4 is placed on an electrolyte weighing platform 5. A servo pump 42 is installed on the spray pipe 41, and a nozzle 43 is installed at the output end of the spray pipe 41. The nozzle 43 is located at the top of the automatic mixing tank 3. A finished product barrel conveying mechanism 6 is installed below the automatic mixing tank 3. Finished product barrels 7 are placed on the finished product barrel conveying mechanism 6. A liftable finished product weighing platform 8 is installed below the finished product barrel conveying mechanism 6. The finished product weighing platform is located below the discharge station of the automatic mixing tank. An automatic capping device 9 is installed above the finished product barrel conveying mechanism 6. The main material weighing platform 12, the auxiliary material weighing platform 23, the electrolyte weighing platform 5, the main material robot 14, the auxiliary material robot 25, the servo pump 42, the finished product weighing platform 8, and the automatic capping device 9 are all communicatively connected to a control device (not shown).

[0019] like Figure 1 , Figure 3 and Figure 4As shown, the automatic capping device 9 includes a first base 91 horizontally mounted on a frame. A first cap-pushing mechanism 92 and a second base 93 are respectively mounted on both sides of the first base 91. The horizontal position of the first base 91 is higher than that of the second base 93. A first pushing channel 10 is formed on the first base 91 from the side of the first cap-pushing mechanism 92 towards the side of the second base 93. The first cap-pushing mechanism 92 includes a first push rod 921 and a first cap-pushing cylinder (not shown). The piston rod 922 of the first cap-pushing cylinder faces the first pushing channel 10. The first push rod 921 is fixed to the free end of the piston rod 922 of the first cap-pushing cylinder. The axial direction of the first push rod 921 is parallel to that of the piston rod 922 of the first cap-pushing cylinder. The axial direction of rod 922 is vertical. The horizontal position of the first push rod 921 is flush with the bottommost bucket lid 100 on the first base 91. An arm 923 is horizontally installed at each end of the first push rod 921. The axial direction of each arm 923 is parallel to the axial direction of the piston rod 922 of the first lid-pushing cylinder. The distance A between the two arms 923 is less than the diameter of the bucket lid 100. Each arm 923 has a top part 9231 extending from the end of the first push rod 921 toward the side of the second base 93. The end of the top part 9231 near the side of the second base 93 is wedge-shaped with gradually decreasing thickness. The vertical distance B between each top part 9231 and the first base 91 is slightly greater than the thickness of one bucket lid.

[0020] The second base 93 is provided with a second push channel 20. The first push channel 10 and the second push channel 20 are parallel and connected. A second push cover mechanism 94 is installed between the first base 91 and the second base 93. The second push cover mechanism 94 includes a second push rod 941, which is the piston rod of the second push cover cylinder. The second push rod 941 faces the second push channel 20.

[0021] Furthermore, a limiting rod assembly 95 is vertically installed above the first base 91. The limiting rod assembly 95 includes a first limiting rod 951, a second limiting rod 952, a third limiting rod 953, and a fourth limiting rod 954. The first limiting rod 951, the second limiting rod 952, the third limiting rod 953, and the fourth limiting rod 954 are respectively located on both sides of the first pushing channel 10 and form a radial accommodating space for the bucket cover 100. The first limiting rod 951 and the second limiting rod 952 are located on the side closer to the second base 93. The bottom of the first limiting rod 951, the second limiting rod 952, the third limiting rod 953, and the fourth limiting rod 954 all have a material passage gap C between them and the upper surface 911 of the first base 91. The height of the material passage gap C is slightly greater than the thickness of one bucket cover 100.

[0022] In this embodiment, the control device includes a voice receiver and a processor connected to each other. The voice receiver receives voice control commands from the user, and the processor controls the corresponding device to perform operations corresponding to the received voice control commands. Voice control improves the convenience of automatic dispensing operations and helps maintain equipment cleanliness.

[0023] The working principle of the automatic alkaline battery mixing system implemented in this embodiment is as follows: 1) First, manually prepare the main ingredients and pour them into the main ingredient tank 11. Then, pour each auxiliary ingredient into the corresponding auxiliary ingredient tank 22. The batching system starts self-checking, each weighing platform is zeroed, the main ingredient tank 11 and auxiliary ingredient tank 22 are closed and sealed and vacuumed, and the dust removal system inside the tank is activated. 2) According to the operator's voice instructions, the main material tank 11 and the auxiliary material tank 22 are stirred and broken up. The high-precision screw driven by the servo is used to feed the main material cup 13 and the auxiliary material cup 24 respectively. The main material weighing platform 12 automatically weighs the main material cup 13 and the auxiliary material weighing platform 23 automatically weighs the auxiliary material cup 24. Then the feed port of the automatic mixing tank 3 is opened, and the main material robot 14 and the auxiliary material robot 25 respectively put the weighed materials into the automatic mixing tank 3. The auxiliary material turntable 21 switches to the next auxiliary material tank 22 to add the next auxiliary material after the auxiliary material load in the auxiliary material cup 24 is cleared. 3) After the main and auxiliary materials are added, the feed inlet of the automatic mixing tank 3 is closed, the stirring motor of the automatic mixing tank 3 is started for premixing, and then the servo pump 42 pumps the electrolyte in the electrolyte tank 4 into the automatic mixing tank 3 according to the voice command of the operator and sprays the electrolyte evenly onto the mixed powder through the nozzle 43. The automatic mixing tank 3 mixes the powder in the order of the formula while adding electrolyte. 4) After mixing is complete, the finished product weighing platform 8 rises, which in turn raises the finished product barrel 7 on the finished product weighing platform 8 to the discharge position of the automatic mixing tank 3. The automatic mixing tank 3 flips to the discharge position and opens the discharge valve. The mixed positive electrode slurry is poured from the automatic mixing tank 3 into the finished product barrel 7. The finished product weighing platform 8 checks whether the positive electrode slurry has been completely discharged. If it has not been completely discharged, the discharge valve is closed and the automatic mixing tank 3 is rotated again and discharged again. This process is repeated until it is completely discharged. Then the finished product weighing platform 8 descends and the finished product barrel 7 returns to the finished product barrel conveying mechanism. 5) The finished product barrel conveying mechanism 6 transfers the finished product barrel 7 containing the positive electrode slurry to the front end of the second base 93 of the automatic capping device 9. The barrel lid is stacked on the first base 91 and is located within the radial accommodating space of the barrel lid formed by the first limiting rod 951, the second limiting rod 952, the third limiting rod 953, and the fourth limiting rod 954. When capping is required, the piston rod 922 of the first capping cylinder extends, driving the first push rod 921 and its two end arms 923 to extend. The top material part 9231 of the two arms 923 contacts the barrel lid first, and the two wedge-shaped sharp top material parts... Part 9231 is inserted between the two bottommost barrel lids 100. Driven by the first lid-pushing cylinder, the first push rod 921 continues to move forward and approach the bottommost barrel lid 100 until it pushes the lid 100 through the material gap and falls into the second base 93. Then, the piston rod 922 of the first lid-pushing cylinder retracts, and the piston rod 942 of the second lid-pushing cylinder extends, driving the second push rod 941 to push the barrel lid 100 that has fallen into the second base 93 forward until the barrel lid 100 falls onto the finished product barrel 7 below the discharge end of the second base 93, thus completing the automatic lid-adding process. 6) After the cap is applied, the finished product barrel conveying mechanism transfers the finished product barrel to the finished product barrel discharge station.

[0024] The control device of this utility model can be operated manually or by voice, which are conventional technical means and will not be described in detail here.

[0025] The main material tank, auxiliary material tank, and weighing platform structures described in this utility model are all existing technologies and will not be elaborated upon here.

[0026] The automatic mixing tank described in this invention can be a dual-motion mixer, in which the material tank of the mixer rotates to mix the materials while the built-in full-size blade assembly rotates independently, mixing the materials in different directions and at different speeds. Its structure is existing technology and will not be described in detail here.

[0027] The main material robot and the auxiliary material robot described in this invention can be selected from four-axis robots used for small-batch batch material preparation in the laboratory. This is existing technology and will not be described in detail here.

[0028] The first and second pushing channels of this invention can be parallel or perpendicular. When the first and second pushing channels are parallel, the structure is the most compact. When the first and second pushing channels are perpendicular, the area occupied is larger.

[0029] The number of limiting rod assemblies described in this utility model is not limited to that shown in the embodiment. They can also be provided only on the upper sides of the first pushing channel near the second base. The purpose is to prevent other barrel lids, except for the bottom barrel lid, from sliding off the first base.

[0030] The support arms described in this utility model are configured as needed. The wedge-shaped, sharp top parts of the two arms can lift the bucket lid above the bottommost bucket lid, which facilitates the first push rod to push out the bottommost bucket lid, thereby improving work efficiency.

[0031] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent process transformations made using the content of this utility model specification, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. An automatic mixing system for alkaline batteries, characterized in that: It includes a main material weighing station and an auxiliary material weighing station arranged horizontally adjacent to each other. The main material weighing station has a main material tank and a main material weighing platform arranged from top to bottom, with a main material cup placed on the main material weighing platform. The auxiliary material weighing station has an auxiliary material tank and an auxiliary material weighing platform arranged from top to bottom, with an auxiliary material cup placed on the auxiliary material weighing platform. An automatic mixing tank is installed between the auxiliary material weighing platform and the main material weighing platform. A main material robot arm is installed on the side of the main material weighing platform for pouring the main material from the main material cup into the automatic mixing tank, and an auxiliary material robot arm is installed on the side of the auxiliary material weighing platform for pouring the auxiliary material from the auxiliary material cup into the automatic mixing tank. The system includes a material handling robot; the automatic mixing tank and the electrolyte tank are connected via a spray pipe, the electrolyte tank is placed on an electrolyte weighing platform, a servo pump is installed on the spray pipe, and a nozzle is installed at the output end of the spray pipe, located at the top inside the automatic mixing tank; a finished product barrel conveying mechanism is installed below the automatic mixing tank, on which finished product barrels are placed, and a finished product weighing platform is installed below the finished product barrel conveying mechanism that can be raised and lowered; the main material weighing platform, the auxiliary material weighing platform, the electrolyte weighing platform, the main material robot, the auxiliary material robot, the servo pump, and the finished product weighing platform are all communicatively connected to a control device.

2. The automatic alkaline battery mixing system according to claim 1, characterized in that: The control device includes a voice receiver and a processor connected to each other. The voice receiver is used to receive voice control commands issued by the user, and the processor is used to control the corresponding device to perform operations corresponding to the voice control commands according to the received voice control commands.

3. The automatic alkaline battery mixing system according to claim 1, characterized in that: The auxiliary material weighing station is equipped with an auxiliary material turntable, on which several auxiliary material tanks are mounted.

4. The automatic alkaline battery mixing system according to claim 1, characterized in that: The automatic mixing tank is a dual-motion mixer.

5. The automatic alkaline battery mixing system according to claim 1, characterized in that: An automatic capping device for attaching caps to each finished product barrel is installed above the finished product barrel conveying mechanism. The device includes a first cap-pushing mechanism, a first base, and a second base. The first base is horizontally mounted on the frame. The first cap-pushing mechanism and the second base are located on opposite sides of the first base. The first base has a first material pushing channel extending from the first cap-pushing mechanism side to the second base side. A barrel cap is placed on the first base. The first cap-pushing mechanism includes a retractable first push rod. The movement path of the first push rod is located within the first material pushing channel. The first push rod faces the barrel cap located on the first base, and the horizontal position of the first push rod is flush with the barrel cap located at the bottom layer on the first base. The first base is positioned horizontally higher than the second base. A limiting rod assembly is vertically mounted above the first base. The limiting rod assembly includes two limiting rods located on the side closest to the second base and above both sides of the first feeding channel. A material passage gap exists between the bottom of each limiting rod and the upper surface of the first base, and the height of the material passage gap is slightly greater than the thickness of a bucket lid. A second feeding channel is provided on the second base. A second lid-pushing mechanism is installed between the first base and the second base. The second lid-pushing mechanism includes a retractable second push rod for pushing the bucket lid from the first base onto the second base.

6. The automatic alkaline battery mixing system according to claim 5, characterized in that: The first pushing channel and the second pushing channel are parallel and connected.

7. The automatic alkaline battery mixing system according to claim 5, characterized in that: The first push-lid mechanism further includes a first push-lid cylinder, and the first push rod is installed at the free end of the piston rod of the first push-lid cylinder; an arm is horizontally installed at each end of the first push rod, the axial direction of each arm is parallel to the axial direction of the piston rod of the first push-lid cylinder, the distance between the two arms is less than the diameter of the lid, the vertical distance between each arm and the first base is slightly greater than the thickness of the lid, and each arm has a top part extending from the end of the first push rod toward the side of the second base, the end of the top part near the side of the second base is wedge-shaped with gradually decreasing thickness.

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