Lithium battery production reaction kettle feeding device

By introducing a material scraping mechanism and a material control system into the feeding device of the lithium battery production reactor, the problem of material adhesion and agglomeration was solved, the accuracy and stability of feeding were achieved, and the production quality and efficiency of lithium batteries were improved.

CN223811020UActive Publication Date: 2026-01-20JIANGSU ZHIRUIBOCHENG ENERGY TECH CO LTD
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Patent Information

Application Number
CN202520749702.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-21
Publication Date
2026-01-20
Estimated Expiration
2035-04-21

AI Technical Summary

Technical Problem

When processing powdered solid materials, the existing feeding devices for lithium battery production reactors tend to cause the materials to adhere to the inner wall of the feeding hopper and form clumps, resulting in inaccurate feeding and affecting the performance stability of lithium batteries.

Method used

A feeding and anti-accumulation scraping mechanism was designed, including a transmission ring and a scraper. The transmission ring is driven to rotate by adjusting the gear, and the scraper is in contact with the inner wall of the feeding hopper to scrape off the attached material. It is also equipped with a level sensor and a material control mechanism to ensure the accuracy and stability of feeding.

Benefits of technology

This effectively prevents the accumulation and clumping of materials on the inner wall of the feeding hopper, improves the accuracy of feeding, reduces material waste, and enhances the performance stability and production efficiency of lithium batteries.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of lithium battery production equipment, in particular to a lithium battery production reaction kettle feeding device which comprises a reaction kettle body, an upper cover plate and a feeding material accumulation prevention scraping mechanism are arranged on the reaction kettle body, and the feeding material accumulation prevention scraping mechanism is installed at a feeding port of the upper cover plate. The feeding anti-accumulation scraping mechanism comprises a feeding hopper, a guide cavity is formed in the upper end of the feeding hopper, a transmission ring is arranged in the guide cavity, a tooth groove is formed in the outer wall of the transmission ring, and the tooth groove of the transmission ring is meshed with the adjusting teeth on one side. Solid materials can be effectively prevented from being attached to the inner wall of the feeding hopper and caking, the adjusting motor drives the adjusting teeth to drive the transmission ring to rotate, the scraping plate moves in an attached mode along the inner wall of the feeding hopper, the attached materials are scraped in time, material waste is reduced, the feeding accuracy is guaranteed, and then the stability of the performance of a lithium battery is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery production equipment technical field, concretely is a kind of lithium battery production reaction kettle feeding device. BACKGROUND

[0002] In the production process of lithium battery, reaction kettle is extremely critical equipment, and the accuracy and smoothness of its feeding operation are directly related to the production quality and efficiency of lithium battery.

[0003] At present, the existing lithium battery production reaction kettle feeding device often faces many problems when processing solid materials, that is, when powder-shaped electrode material, conductive agent and other solid materials are added to the reaction kettle, since these materials have certain viscosity and adsorption, they are easy to adhere to the inner wall of the feeding hopper, and with the passage of time, the adhered materials will gradually accumulate to form clumps, which not only causes waste of materials, but also affects the accuracy of feeding, leading to deviation in the amount of materials added to the reaction kettle each time, and further affecting the performance stability of lithium battery. To solve the above problems, the utility model provides a lithium battery production reaction kettle feeding device. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a lithium battery production reaction kettle feeding device to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a lithium battery production reaction kettle feeding device, comprising a reaction kettle body, an upper cover plate and a feeding anti-accumulation scraping mechanism are arranged on the reaction kettle body, and the feeding anti-accumulation scraping mechanism is installed at the feeding port of the upper cover plate.

[0006] The feeding anti-accumulation scraping mechanism comprises a feeding hopper, a guide cavity is arranged at the upper end of the feeding hopper, a transmission ring is arranged in the guide cavity, a gear groove is arranged on the outer wall of the transmission ring, the gear groove of the transmission ring is engaged with an adjusting tooth on one side, the adjusting tooth is connected with the output end of an adjusting motor installed on the side wall of the feeding hopper, a scraping plate is arranged on the transmission ring, and the scraping plate extends to the inner cavity of the feeding hopper and is attached to the inner wall thereof.

[0007] Preferably, a plurality of mixing rods are vertically arranged on the scraping plate, and the plurality of mixing rods are screw-installed on the scraping plate through threaded columns at the ends.

[0008] Preferably, a material control mechanism is further arranged on the reaction kettle body, the material control mechanism comprises a barrel, a worm is arranged in the barrel, the built-in worm is connected with a rotating motor at one end, and the connecting sleeves at the upper and lower ends of the barrel are respectively connected with the feeding hopper and the reaction kettle body in communication.

[0009] Preferably, a sealing rubber ring is sleeved on the connecting sleeves at the upper and lower ends.

[0010] Preferably, the material control mechanism further comprises positioning frames, the material cylinder is installed on the clamping block on the two side walls of the reaction kettle body through the positioning frames at both ends, and the positioning frames at both ends are installed on the clamping block of the reaction kettle body through fixing pins.

[0011] Preferably, the reaction kettle body and the feeding hopper are each provided with a material level sensor.

[0012] Preferably, the side wall of the reaction kettle body is provided with a controller, and the controller is electrically connected with the rotating motor, the adjusting motor and the material level sensor.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] Through the arrangement of the feeding anti-material accumulation scraping mechanism, the solid material can be effectively prevented from adhering to the inner wall of the feeding hopper and caking, the adjusting motor drives the adjusting tooth to drive the transmission ring to rotate, the scraping plate is movably attached to the inner wall of the feeding hopper, the adhered material is scraped in time, the material waste is reduced, the accuracy of feeding is ensured, and the stability of the performance of the lithium battery is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic view of the utility model.

[0016] Figure 2 It is the material level sensor installation structure schematic view of the utility model.

[0017] Figure 3 It is the material control mechanism structure schematic view of the utility model.

[0018] Figure 4 It is the feeding anti-material accumulation scraping mechanism structure schematic view of the utility model.

[0019] In the drawing: 1, reaction kettle body;11, clamping block;12, fixing pin;2, upper cover plate;3, material control mechanism;31, positioning frame;32, material cylinder;33, rotating motor;34, connecting sleeve;341, sealing rubber ring;4, feeding anti-material accumulation scraping mechanism;41, feeding hopper;411, guide cavity;42, transmission ring;43, adjusting motor;44, scraping plate;45, mixing rod;5, controller;6, material level sensor. DETAILED DESCRIPTION

[0020] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application. Figures 1 to 4 The present application provides a technical solution: a lithium battery production reaction kettle feeding device, comprising a reaction kettle body 1, the reaction kettle body 1 is provided with an upper cover plate 2 and a feeding anti-accumulation scraping mechanism 4, the feeding anti-accumulation scraping mechanism 4 is installed at the feed inlet of the upper cover plate 2; the feeding anti-accumulation scraping mechanism 4 comprises a feeding hopper 41, the upper end of the feeding hopper 41 is provided with a guide cavity 411, a transmission ring 42 is arranged in the guide cavity 411, the outer wall of the transmission ring 42 is provided with a gear slot, the gear slot of the transmission ring 42 is engaged with an adjusting tooth on one side, the adjusting tooth is connected with the output end of an adjusting motor 43 installed on the side wall of the feeding hopper 41, a scraping plate 44 is arranged on the transmission ring 42, and the scraping plate 44 extends to the inner cavity of the feeding hopper 41 and is attached to the inner wall thereof.

[0022] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application. Figures 1 to 4 A plurality of mixing rods 45 are vertically arranged on the scraping plate 44, the plurality of mixing rods 45 are screw-installed on the scraping plate 44 through threaded columns at the ends, and the plurality of mixing rods 45 can stir and mix materials during rotation, so that materials of different components are preliminarily mixed before entering the reaction kettle body 1, which helps to improve the uniformity and consistency of material reaction in the reaction kettle body 1, thereby improving the quality of lithium battery production, and the mixing rods 45 are screw-installed on the scraping plate 44 through threaded columns at the ends, so that the mixing rods 45 can be easily disassembled and replaced when they are worn or damaged, thereby reducing the maintenance cost of the equipment.

[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application. Figures 1 to 4 The reaction kettle body 1 is also provided with a material control mechanism 3, the material control mechanism 3 comprises a barrel 32, a worm is arranged in the barrel 32, the built-in worm is connected with a rotating motor 33 at one end, connecting sleeves 34 at the upper and lower ends of the barrel 32 are respectively connected with the feeding hopper 41 and the reaction kettle body 1 in communication, and sealing rubber rings 341 are sleeved on the connecting sleeves 34 at the upper and lower ends, wherein the worm in the barrel 32 rotates under the drive of the rotating motor 33, can quantitatively and stably convey the materials in the feeding hopper 41 to the reaction kettle body 1, the connecting sleeves 34 are respectively connected with the feeding hopper 41 and the reaction kettle body 1 in communication, play a role in connecting and guiding materials, and ensure that the materials can be smoothly transmitted between the feeding hopper 41, the barrel 32 and the reaction kettle body 1.

[0024] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application. Figures 1 to 4The material control mechanism 3 further comprises positioning frames 31, the material cylinder 32 is installed on the clamping block 11 on the two side walls of the reactor body 1 through the positioning frames 31 at both ends, and the positioning frames 31 at both ends are installed on the clamping block 11 of the reactor body 1 through the fixing bolts 12, the positioning frames 31 are connected with the clamping block 11 through the fixing bolts 12, through the design, the material cylinder 32 can be conveniently installed and disassembled during equipment installation, debugging and later maintenance and repair, and the maintainability and operability of the equipment are improved.

[0025] Please refer to Figures 1 to 4 The reactor body 1 and the feeding hopper 41 are both provided with a material level sensor 6, the position and height of the material in the reactor body 1 and the feeding hopper 41 can be accurately monitored in real time through the material level sensor 6, which is converted into an electric signal or other identifiable signal, so that the internal material inventory can be accurately known, which helps the operator to know the consumption and remaining amount of the material in time, so as to make a material supplement plan in advance and avoid production interruption caused by insufficient material.

[0026] Please refer to Figures 1 to 4 The side wall of the reactor body 1 is provided with a controller 5, the controller 5 can be electrically connected with the rotating motor 33, the adjusting motor 43 and the material level sensor 6, the operator can manually adjust the operating parameters of the rotating motor 33 and the adjusting motor 43 through the controller 5, flexibly control the feeding speed, material scraping frequency and the like according to different production requirements and process requirements, and adapt to diversified production scenes.

[0027] In use, the adjusting motor 43 is started, and the output end drives the adjusting gear to rotate, and since the adjusting gear is engaged with the tooth groove of the outer wall of the transmission ring 42, the transmission ring 42 is driven to make a circular motion in the guide cavity 411, and the scraping plate 44 on the transmission ring 42 moves synchronously, and the scraping plate 44 is always attached to the inner wall of the feeding hopper 41 to continuously scrape the material attached to the inner wall of the feeding hopper 41, so as to prevent the material from accumulating and caking, and in this process, the plurality of vertical mixing rods 45 arranged on the scraping plate 44 also move with the scraping plate 44 to stir and mix the material in the feeding hopper 41, so as to improve the uniformity of the material, when the material in the feeding hopper 41 is ready to enter the reaction kettle body 1, the rotating motor 33 is started, and the rotating motor 33 drives the worm in the barrel 32 to rotate, and the material is slowly and stably fed into the reaction kettle body 1 from the feeding hopper 41 through the connecting sleeve 34 at the upper and lower ends of the barrel 32, and the sealing rubber ring 341 sleeved on the connecting sleeve 34 ensures that the material will not leak during the conveying process, and the material level sensor 6 in the reaction kettle body 1 and the feeding hopper 41 monitors the material position and height in real time, when the material in the feeding hopper 41 is reduced to a certain extent, or the material in the reaction kettle body 1 reaches the preset height, the material level sensor 6 transmits a signal to the controller 5, and after the controller 5 receives the signal of the material level sensor 6, if the material in the feeding hopper 41 is insufficient, the alarm connected outside can remind the staff to add material, so as to ensure that the material can be continuously supplied, if the material in the reaction kettle body 1 approaches the preset amount, the controller 5 controls the rotating motor 33 to reduce the rotating speed, so as to accurately control the amount of material, and at the same time, according to the actual production requirement, the operating personnel can also manually adjust the operating parameters of the rotating motor 33 and the adjusting motor 43 through the controller 5, so as to flexibly control the feeding process, wherein the material level sensor 6 can be an existing mature product optical material level sensor, and the electrical connection mode of the controller 5, the rotating motor 33, the adjusting motor 43 and the material level sensor 6 is also an existing mature technology, which will not be described in detail.

[0028] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A lithium battery production reaction kettle feeding device, comprising a reaction kettle body (1), wherein an upper cover plate (2) and a feeding anti-accumulation scraping mechanism (4) are arranged on the reaction kettle body (1). The feeding anti-accumulation scraping mechanism (4) is installed at a feeding port of the upper cover plate (2). The feeding anti-accumulation scraping mechanism (4) comprises a feeding hopper (41), wherein an upper end of the feeding hopper (41) is provided with a guide cavity (411), a transmission ring (42) is arranged in the guide cavity (411), a tooth groove is arranged on an outer wall of the transmission ring (42), the tooth groove of the transmission ring (42) is engaged with an adjusting tooth on one side, the adjusting tooth is connected with an output end of an adjusting motor (43) installed on a side wall of the feeding hopper (41), and a scraping plate (44) is arranged on the transmission ring (42) and extends to an inner cavity of the feeding hopper (41) and is attached to an inner wall thereof.

2. The feeding device of a lithium battery production reaction kettle according to claim 1, characterized in that: A plurality of mixing rods (45) are vertically arranged on the scraping plate (44) and are screwed on the scraping plate (44) through threaded columns at ends thereof.

3. The feeding device of a lithium battery production reaction kettle according to claim 1, characterized in that: The reaction kettle body (1) is further provided with a material control mechanism (3), wherein the material control mechanism (3) comprises a barrel (32), a worm is arranged in the barrel (32), an inner worm is connected with a rotating motor (33) at one end, and connecting sleeves (34) at upper and lower ends of the barrel (32) are respectively connected with the feeding hopper (41) and the reaction kettle body (1).

4. The feeding device of a lithium battery production reaction kettle according to claim 3, characterized in that: Sealing rubber rings (341) are arranged on the connecting sleeves (34) at the upper and lower ends.

5. The feeding device of a lithium battery production reaction kettle according to claim 3, characterized in that: The material control mechanism (3) further comprises positioning frames (31), the barrel (32) is installed on clamping blocks (11) on two side walls of the reaction kettle body (1) through the positioning frames (31) at two ends, and the positioning frames (31) at two ends are installed on the clamping blocks (11) of the reaction kettle body (1) through fixing pins (12).

6. The feeding device of a lithium battery production reaction kettle according to claim 1, characterized in that: The reaction kettle body (1) and the feeding hopper (41) are both provided with level sensors (6).

7. The lithium battery production reaction kettle feeding device according to claim 6, characterized in that: A controller (5) is arranged on a side wall of the reaction kettle body (1), and the controller (5) is electrically connected with the rotating motor (33), the adjusting motor (43) and the level sensors (6).