Double screw feeding device with anti-bridging structure

CN224929930UActive Publication Date: 2026-11-03WUXI LINGOOD MACHINERY TECH
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Patent Information

Application Number
CN202522376439.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-10
Publication Date
2026-11-03
Estimated Expiration
2035-11-10

AI Technical Summary

Technical Problem

Existing twin-screw feeding devices in battery material production suffer from insufficient conveying capacity, easy material bridging, slippage, and poor metering stability, affecting production continuity and product quality.

Method used

A twin-screw feeding device with an anti-bridging structure was designed. It uses a gravity transmission plate and a meter to monitor the material flow rate, and combines an electric crank and a drive motor. The gravity transmission plate disrupts the static balance of the material and the vibrator prevents bridging, thus achieving precise feeding.

Benefits of technology

It effectively prevents materials from clogging in the silo, ensures the continuity and stability of the feeding process, improves production efficiency, and avoids production interruptions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of double screw feeding devices with anti-bridging structure, belong to battery material production feeding equipment technical field. Mainly including support, the upper end fixed mounting of support has discharge bin, the upper end fixed mounting of discharge bin has inlet bin, the lower end fixed mounting of discharge bin has feeding bin, the top end fixed mounting of inlet bin has feeding bin mouth, the upper end fixed mounting of gravity conducting plate has meter, the lower end fixed mounting of discharge bin has discharge bin mouth, the upper end fixed connection of discharge bin plate has electric crank lever, the lower end fixed mounting of feeding bin has bin mouth, the lower end fixed mounting of bin mouth has transmission platform, the side end fixed mounting of transmission platform has driving motor, the front end fixed mounting of transmission platform has discharge port, the both sides fixed mounting of transmission platform has discharge baffle. A kind of double screw feeding devices with anti-bridging structure of the application prevents the formation of arching, realizes accurate feeding.
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Description

Technical Field

[0001] This invention relates to the field of battery material production feeding equipment technology, and more specifically, to a twin-screw feeding device with an anti-bridging structure. Background Technology

[0002] In the continuous production of battery materials (such as positive electrode slurry and negative electrode slurry), twin-screw feeding devices need to accurately and stably deliver raw materials. Existing devices suffer from insufficient conveying capacity (materials are prone to bridging and slippage) and poor metering stability (greatly affected by material characteristics and screw wear), resulting in fluctuations in feed rate and affecting production continuity and product quality.

[0003] Therefore, it is necessary to provide a twin-screw feeding device with an anti-bridging structure to solve the above problems. Utility Model Content

[0004] Based on the aforementioned problems in the existing technology, the purpose of this application is to provide a twin-screw feeding device with an anti-bridging structure to prevent bridging and achieve precise feeding.

[0005] The technical solution adopted by this application to solve its technical problem is: a twin-screw feeding device with an anti-bridging structure, including a support, a discharge bin fixedly installed at the upper end of the support, an inlet bin fixedly installed at the upper end of the discharge bin, and a feeding bin fixedly installed at the lower end of the discharge bin.

[0006] Furthermore, a feed inlet is fixedly installed at the top of the feed hopper, and a gravity transmission plate is hinged inside the feed inlet. A meter is fixedly installed at the upper end of the gravity transmission plate, and the meter is electrically connected to the gravity transmission plate.

[0007] Furthermore, a discharge port is fixedly installed at the lower end of the discharge hopper, a discharge plate is connected to the lower end of the discharge port via a rotating shaft, and an electric crank is fixedly connected to the upper end of the discharge plate.

[0008] Furthermore, a buckle is rotatably connected to the lower end of the left discharge hopper plate, and a buckle plate is fixedly installed at the lower end of the right discharge hopper plate.

[0009] Furthermore, a hopper opening is fixedly installed at the lower end of the feeding hopper, a conveyor platform is fixedly installed at the lower end of the hopper opening, a drive motor is fixedly installed at the side end of the conveyor platform, the drive end of the drive motor is connected to the conveyor platform, a discharge port is fixedly installed at the front end of the conveyor platform, and discharge baffles are fixedly installed on both sides of the conveyor platform.

[0010] The beneficial effects of this invention are as follows: When materials accumulate in the feed hopper or discharge hopper, they may form "bridging" or "arching" blockages due to moisture and adhesion. The presence of the gravity conduction plate itself and the weight of the materials will exert a downward pressure or slight vibration, disrupting the static balance of the materials and thus preventing bridging. At the same time, through electrical connection, the meter can monitor abnormal flow and trigger associated vibrators or directly serve as an early warning signal for bridging. This fundamentally solves the problem of material blockage in the hopper, ensures the continuity and stability of the entire feeding process, avoids production interruptions caused by bridging, and greatly improves production efficiency. Attached Figure Description

[0011] The accompanying drawings, which form part of this specification, are used to provide a further understanding of this utility model. The illustrative embodiments and descriptions of this utility model are used to explain this utility model and do not constitute an undue limitation thereof. In the drawings: Figure 1 This is an overall schematic diagram of a twin-screw feeding device with an anti-bridging structure according to this application; Figure 2 for Figure 1 A magnified structural diagram of A in the middle; Figure 3 for Figure 1 A schematic diagram of the structure at the top of the device; Figure 4 for Figure 1 A schematic diagram of the feeding structure; In the diagram: 1. Support frame; 2. Discharge bin; 3. Feed bin; 4. Feeding bin; 5. Gravity conduction plate; 6. Drive motor; 7. Conveyor table; 8. Discharge port; 9. Bin opening; 10. Meter; 11. Discharge baffle; 12. Discharge bin opening; 13. Discharge bin plate; 14. Buckle; 15. Feed bin opening; 16. Electric crank. Detailed Implementation

[0012] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0013] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0014] In this invention, unless otherwise stated, the orientations used, such as "up" and "down," generally refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" generally refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this invention.

[0015] like Figure 1-4 As shown, this application provides a twin-screw feeding device with an anti-bridging structure, including a support 1, a discharge bin 2 fixedly installed at the upper end of the support 1, an inlet bin 3 fixedly installed at the upper end of the discharge bin 2, and a feeding bin 4 fixedly installed at the lower end of the discharge bin 2.

[0016] A feed inlet 15 is fixedly installed at the top of the feed hopper 3. A gravity transmission plate 5 is hinged inside the feed inlet 15. A meter 10 is fixedly installed at the upper end of the gravity transmission plate 5. The meter 10 is electrically connected to the gravity transmission plate 5.

[0017] The lower end of the discharge hopper 2 is fixedly installed with a discharge hopper port 12, the lower end of the discharge hopper port 12 is connected to a discharge hopper plate 13, and the upper end of the discharge hopper plate 13 is fixedly connected to an electric crank rod 16.

[0018] A buckle 14 is rotatably connected to the lower end of the left discharge hopper plate 13, and a buckle plate is fixedly installed at the lower end of the right discharge hopper plate 13.

[0019] A feed bin 4 has a feed opening 9 fixedly installed at its lower end. A conveyor 7 is fixedly installed at the lower end of the feed opening 9. A drive motor 6 is fixedly installed at the side end of the conveyor 7. The drive end of the drive motor 6 is connected to the conveyor 7. A discharge port 8 is fixedly installed at the front end of the conveyor 7. Discharge baffles 11 are fixedly installed on both sides of the conveyor 7.

[0020] Specifically, the staff first put the material into the feed hopper 15 at the top. The material will fall onto the gravity transmission plate 5, and its weight will be sensed and measured in real time by the meter 10 on the plate. Then the meter 10 converts the weight data into an electrical signal to monitor the feed amount and provide a data basis for subsequent precise control.

[0021] When materials accumulate in the feed hopper 3 or discharge hopper 2, and may form "bridging" or "arching" blockages due to moisture or adhesion, the presence of the gravity conduction plate 5 and the weight of the materials will exert a downward pressure or slight vibration, disrupting the static balance of the materials and thus preventing bridging. At the same time, through electrical connection, the meter 10 can monitor abnormal flow and trigger the associated vibrator or directly serve as an early warning signal for bridging. This fundamentally solves the problem of material blockage in the hopper, ensures the continuity and stability of the entire feeding process, avoids production interruptions caused by bridging, and greatly improves production efficiency.

[0022] Material flows out from the discharge port 12 at the bottom of the discharge hopper 2. The operator starts the electric crank 16 to drive the discharge plate 13 to rotate, thereby precisely controlling the opening and closing of the discharge port 12 and adjusting the material flow rate into the feeding hopper 4. This achieves the initial adjustment of the feeding amount.

[0023] When complete closure or maintenance is required, the left discharge hopper plate 13 is fastened to the right discharge hopper plate 13 via the lower buckle 14, ensuring the hopper door is tightly closed and preventing leakage.

[0024] The material ultimately enters the feeding hopper 4 and falls through the lower opening 9 into the conveyor 7, i.e., the twin-screw feeding mechanism. The operator starts the drive motor 6, which drives the twin screws to rotate synchronously. Through meshing motion, the twin screws forcefully compress and convey the material, providing the second and most powerful anti-bridging protection. It effectively handles easily loose and sticky materials. Under the constraint of the discharge baffle 11, the material is stably and evenly pushed towards the discharge port 8 and ultimately precisely and continuously conveyed to downstream equipment.

[0025] Obviously, the embodiments described above are only some embodiments of this invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without inventive effort should fall within the scope of protection of this invention.

[0026] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0027] It should be noted that the terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in sequences other than those illustrated or described herein.

[0028] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

[0029] The above description is merely a preferred embodiment of this invention. The scope of protection of this invention is not limited to the above embodiments. All technical solutions falling within the scope of this invention's concept are within the scope of protection of this invention. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this invention should also be considered within the scope of protection of this invention.

Claims

1. A twin-screw feeding device with an anti-bridging structure, characterized in that: Includes a support (1), with a discharge bin (2) fixedly installed at the upper end of the support (1), an inlet bin (3) fixedly installed at the upper end of the discharge bin (2), and a feed bin (4) fixedly installed at the lower end of the discharge bin (2).

2. The twin-screw feeding device with anti-bridging structure according to claim 1, characterized in that: The top of the feed hopper (3) is fixedly installed with a feed hopper inlet (15), and a gravity transmission plate (5) is hinged inside the feed hopper inlet (15). A meter (10) is fixedly installed on the upper end of the gravity transmission plate (5), and the meter (10) is electrically connected to the gravity transmission plate (5).

3. The twin-screw feeding device with anti-bridging structure according to claim 1, characterized in that: The lower end of the discharge hopper (2) is fixedly installed with a discharge hopper port (12), and the lower end of the discharge hopper port (12) is connected to a discharge hopper plate (13) by a rotating shaft. The upper end of the discharge hopper plate (13) is fixedly connected to an electric crank rod (16).

4. A twin-screw feeding device with an anti-bridging structure according to claim 3, characterized in that: The lower end of the left discharge hopper plate (13) is rotatably connected with a buckle (14), and the lower end of the right discharge hopper plate (13) is fixedly installed with a buckle plate.

5. A twin-screw feeding device with an anti-bridging structure according to claim 1, characterized in that: The lower end of the feeding bin (4) is fixedly installed with a bin opening (9), the lower end of the bin opening (9) is fixedly installed with a transmission platform (7), the side end of the transmission platform (7) is fixedly installed with a drive motor (6), the drive end of the drive motor (6) is connected to the transmission platform (7), the front end of the transmission platform (7) is fixedly installed with a discharge port (8), and the two sides of the transmission platform (7) are fixedly installed with discharge baffles (11).