Lithium iron phosphate production raw material feeding device

Abstract

The utility model relates to a lithium iron phosphate production raw material feeding device, and belongs to the technical field of lithium battery production equipment. The device mainly comprises a rack, a supporting table, a screw rod, a fixing ring, a storage hopper, a spring, a vibration motor, a cover plate, a rotating shaft, a conveying auger, a wall scraping plate, a motor and a plugging cover. The vibration motor drives the storage hopper to vibrate, dust adhering to the inner wall of the storage hopper can be shaken off, the wall scraping plate is located above the conveying auger and attached to the inner wall of the storage hopper, raw materials adhering to the inner wall of the storage hopper can be scraped off when the rotating shaft rotates, and even if a small amount of dust adheres to the storage hopper or part of the materials adhere to the wall, the raw materials can be scraped off. The hopper can be cleaned in time, so that a large amount of dust can be prevented from adhering to the side wall of the hopper, the effective volume of the hopper can be kept relatively stable for a long time, frequent cleaning of the hopper is not needed, a production line can continuously and stably operate, the overall production process is improved, and the production efficiency is effectively improved.

Description

Technical Field

[0001] This utility model belongs to the technical field of lithium battery production equipment, specifically relating to a feeding device for lithium iron phosphate production raw materials. Background Technology

[0002] Lithium iron phosphate, as a cathode material for lithium-ion batteries, has excellent electrochemical performance, a very stable charge-discharge platform, stable structure during charge-discharge, and excellent cycle performance.

[0003] In the production process of lithium iron phosphate, raw materials or ingredients need to be fed into the production line. Currently, raw materials and ingredients are mostly packaged and fed in ton bags. The ton bags are put into the feeding station, and the rope at the bottom of the ton bag is untied, allowing the material inside the ton bag to fall into the hopper of the feeding station. During the process of the material falling into the feeding station hopper, the powder is impacted, which will raise a lot of dust. This dust will be blocked by the side wall of the hopper. The fine particles of the powder have intermolecular forces and electrostatic adsorption, which cause the dust to adhere to the side wall of the hopper. As the dust continues to adhere, the effective volume of the hopper will decrease, and the hopper needs to be cleaned frequently. Each cleaning process will stop the operation of the production line, which will slow down the overall production process and reduce production efficiency. Utility Model Content

[0004] To overcome the problem of dust adhering to the side wall of the hopper during the feeding of lithium iron phosphate raw materials, which reduces the effective volume of the hopper as dust accumulates and requires frequent cleaning, each cleaning process interrupting the production line and slowing down the overall production process and reducing efficiency, this invention provides a lithium iron phosphate raw material feeding device. A vibrating motor drives the hopper to vibrate, shaking off the dust adhering to the inner wall of the hopper. Simultaneously, the vibration keeps the material loose, facilitating its smooth passage through the discharge port and preventing blockages that could affect production progress. A scraper plate, located above the conveyor auger and in contact with the inner wall of the hopper, scrapes off the raw material adhering to the inner wall of the hopper as the shaft rotates. Even if a small amount of dust adheres or material partially sticks to the wall, it can be cleaned promptly. This prevents excessive dust adhesion to the hopper side wall, allowing the effective volume of the hopper to remain relatively stable over a long period, reducing the need for frequent cleaning and enabling the production line to operate continuously and stably, thus improving the overall production process and efficiency.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: A feeding device for lithium iron phosphate production raw materials mainly includes a frame, a support platform, screws, a fixing ring, a storage hopper, a spring, a vibrating motor, a cover plate, a rotating shaft, a conveying auger, a scraper plate, a motor, and a sealing cover. The support platform is installed on the top of the frame, and multiple screws are installed on the support platform at equal intervals. The fixing ring is installed on the outside of the storage hopper and on the top of the screw. Fastening bolts are installed on the screw. The storage hopper is installed on the support platform through the fixing ring, screw, and fastening bolts. At the top, a spring is wound around a screw, abutting against a fixed ring, and at the bottom, abutting against the upper surface of a support platform. A vibrating motor is mounted on the fixed ring. The inside of the storage hopper is a hollow structure. A cover plate is mounted on the top of the storage hopper, and the cover plate is a semi-circular structure. A rotating shaft passes through the cover plate and is mounted inside the storage hopper. A conveying auger and a scraper are mounted on the rotating shaft. The scraper is located above the conveying auger and fits against the inner wall of the storage hopper. A motor is mounted on the top of the cover plate and is connected to the rotating shaft for transmission. A discharge port is opened at the bottom of the storage hopper, and a sealing cover is installed at the discharge port.

[0006] A ladder is installed on one side of the frame.

[0007] The inner wall of the storage hopper is coated with polytetrafluoroethylene.

[0008] The support platform is equipped with a protective railing.

[0009] The bottom of the storage hopper is designed with an inverted conical shape.

[0010] There are two vibration motors.

[0011] The scraper blades are provided in two sets, and a connecting rod is installed between the scraper blades to increase stability.

[0012] The beneficial effects of this utility model are:

[0013] The beneficial effects are as follows:

[0014] The vibrating motor drives the hopper to vibrate, shaking off dust adhering to the inner wall of the hopper. Simultaneously, the vibration keeps the material loose, facilitating its smooth passage through the discharge port and preventing blockages that could disrupt production. The scraper plate, located above the conveyor auger and in contact with the inner wall of the hopper, scrapes off raw materials adhering to the hopper wall as the shaft rotates. Even small amounts of dust or material partially adhering to the wall can be cleaned promptly, preventing excessive dust buildup on the hopper's sidewalls. This allows the hopper's effective volume to remain relatively stable over a long period, reducing the need for frequent cleaning and ensuring continuous, stable operation of the production line. This improves overall production efficiency and overall production progress. Attached Figure Description

[0015] Figure 1 This is an isometric schematic diagram of the present invention.

[0016] Figure 2 yes Figure 1 A magnified view of a portion of point A in the middle.

[0017] Figure 3 This is a three-dimensional schematic diagram of the present invention.

[0018] Figure 4 This is another three-dimensional schematic diagram of this utility model.

[0019] Figure 5 This is a top view of the structure of this utility model.

[0020] Figure 6 This is a partial cross-sectional view of the present invention. Detailed Implementation

[0021] To make the objectives, technical solutions, and beneficial effects of this utility model clearer, the preferred embodiments of this utility model will be described in detail below with reference to the accompanying drawings, so as to facilitate the understanding of those skilled in the art.

[0022] This utility model discloses a feeding device for lithium iron phosphate production raw materials. The feeding device mainly includes a frame 1, a support platform 2, screws 3, a fixing ring 4, a storage hopper 5, a spring 6, a vibrating motor 7, a cover plate 8, a rotating shaft 9, a conveying auger 10, a scraper plate 11, a motor 12, and a sealing cover 13. The support platform 2 is installed at the top of the frame 1. Multiple screws 3 are installed at equal intervals on the support platform 2. The fixing ring 4 is installed on the outside of the storage hopper 5 and at the top of the screws 3. Fastening bolts 31 are installed on the screws 3. The storage hopper 5 is installed at the top of the support platform 2 via the fixing ring 4, screws 3, and fastening bolts 31. Spring 6 is wound around screw 3, with its top end abutting against fixed ring 4 and its bottom end abutting against the upper surface of support platform 2. Vibration motor 7 is installed on fixed ring 4. The inside of storage hopper 5 is set as a cavity structure. Cover plate 8 is installed on the top of storage hopper 5. Cover plate 8 is set as a semi-circular structure. Rotary shaft 9 passes through cover plate 8 and is installed inside storage hopper 5. Conveying auger 10 and scraper 11 are installed on rotating shaft 9. Scraper 11 is located above conveying auger 10 and scraper 11 is in contact with the inner wall of storage hopper 5. Motor 12 is installed on the top of cover plate 8 and is connected to rotating shaft 9 for transmission. Storage hopper 5 has a discharge port 51 at the bottom. Sealing cover 13 is installed at discharge port 51.

[0023] like Figure 1 , Figure 3 , Figure 4 , Figure 5 , Figure 6As shown, a ladder 14 is installed on one side of the frame 1; during operation, the operator can easily climb onto the support platform 2 via the ladder 14 to add materials and observe the operation of the equipment.

[0024] The inner wall of the storage hopper 5 is coated with a polytetrafluoroethylene coating. The polytetrafluoroethylene coating is non-stick, which further reduces the adhesion of dust. This coating can reduce the adhesion of raw materials to the inner wall of the storage hopper 5, which helps the raw materials slide down smoothly and also makes it easier to clean the inner wall of the storage hopper 5.

[0025] like Figure 1 , Figure 3 , Figure 4 , Figure 5 , Figure 6 As shown, a guardrail 21 is provided on the support platform 2; the guardrail 21 serves to protect the safety of the operators.

[0026] like Figure 1 , Figure 3 , Figure 6 As shown, the bottom of the storage hopper 5 is designed with an inverted conical structure, which helps guide the raw materials to gather towards the discharge port 51.

[0027] Two vibration motors 7 are provided; the two vibration motors 7 increase the vibration effect and improve the efficiency of dust removal.

[0028] like Figure 6 As shown, the scraping plates 11 are provided in two sets, and a connecting rod 15 is installed between the scraping plates 11 to increase stability; the arrangement of the two sets of scraping plates 11 and the connecting rod 15 enhances the stability and effect of scraping.

[0029] Work process:

[0030] The raw materials for lithium iron phosphate production are fed into the storage hopper 5. A semi-circular cover plate 8 is installed at the top of the storage hopper 5 to prevent external impurities from falling into it and to provide a mounting position for the rotating shaft 9, allowing it to pass through the cover plate 8 and extend into the storage hopper 5. The motor 12 is turned on, driving the rotating shaft 9 to rotate. The conveying auger 10 on the rotating shaft 9 begins to rotate. Due to the inverted conical structure at the bottom of the storage hopper 5, the raw materials begin to move towards the discharge port 51 under the influence of gravity and the stirring and pushing action of the conveying auger 10. Simultaneously, the scraper plate 11 located above the conveying auger 10 also rotates synchronously with the rotating shaft 9, and the scraper plate 11 pushes the storage hopper... 5. Any raw materials that may be attached to the inner wall of the hopper are scraped off to keep the inner wall of the hopper clean and prevent raw materials from accumulating on the inner wall of the storage hopper 5. This ensures the smooth conveying of raw materials. The vibration generated by the vibrating motor 7 is transmitted to the raw materials through the fixed ring 4, screw 3 and storage hopper 5. On the one hand, it can shake off the dust adhering to the inner wall of the storage hopper 5. On the other hand, it keeps the raw materials in a loose state, further promoting the feeding process and assisting the raw materials to flow smoothly to the discharge port 51. When it is necessary to discharge, the sealing cover 13 is opened. Under the continuous push of the conveying auger 10, the raw materials are stably discharged from the discharge port 51. The raw materials are accurately put into the next production process according to the speed and quantity required by production.

[0031] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made to it in form and detail without departing from the scope defined by the claims of this utility model.

Claims

1. A feeding device for lithium iron phosphate production raw materials, characterized in that: The lithium iron phosphate production raw material feeding device includes a frame (1), a support platform (2), screws (3), a fixing ring (4), a storage hopper (5), a spring (6), a vibrating motor (7), a cover plate (8), a rotating shaft (9), a conveying auger (10), a scraper plate (11), a motor (12), and a sealing cover (13). The support platform (2) is installed on the top of the frame (1), and multiple screws (3) are installed on the support platform (2) at equal intervals. The fixing ring (4) is installed on the outside of the storage hopper (5) and on the top of the screws (3). Fastening bolts (31) are installed on the screws (3). The storage hopper (5) is installed on the top of the support platform (2) through the fixing ring (4), the screws (3), and the fastening bolts (31). The spring (6) is wound around the screws (3). The top end of the hopper (5) abuts against the fixed ring (4), and the bottom end abuts against the upper surface of the support platform (2). The vibrating motor (7) is installed on the fixed ring (4). The inside of the hopper (5) is set as a cavity structure. The cover plate (8) is installed on the top of the hopper (5). The cover plate (8) is set as a semi-circular structure. The rotating shaft (9) passes through the cover plate (8) and is installed inside the hopper (5). The conveying auger (10) and the scraper (11) are installed on the rotating shaft (9). The scraper (11) is located above the conveying auger (10). The scraper (11) is in contact with the inner wall of the hopper (5). The motor (12) is installed on the top of the cover plate (8). The motor (12) is connected to the rotating shaft (9) for transmission. The bottom end of the hopper (5) is provided with a discharge port (51). The sealing cover (13) is installed at the discharge port (51).

2. The lithium iron phosphate production raw material feeding device as described in claim 1, characterized in that: A ladder (14) is installed on one side of the frame (1).

3. A lithium iron phosphate production raw material feeding device as described in claim 1 or 2, characterized in that: The inner wall of the storage hopper (5) is coated with polytetrafluoroethylene.

4. A lithium iron phosphate production raw material feeding device as described in claim 1 or 2, characterized in that: The support platform (2) is equipped with a guardrail (21).

5. A lithium iron phosphate production raw material feeding device as described in claim 1 or 2, characterized in that: The bottom of the storage hopper (5) is configured as an inverted cone shape.

6. A lithium iron phosphate production raw material feeding device as described in claim 1 or 2, characterized in that: The vibration motor (7) is provided in two parts.

7. A lithium iron phosphate production raw material feeding device as described in claim 1 or 2, characterized in that: The scraper blades (11) are provided in two sets, and a connecting rod (15) to increase stability is installed between the scraper blades (11).

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