A dosing device
By designing a quantitative feeding device, and utilizing components such as a weighing pan, unloading valve, and vibrating motor, the problems of inaccurate weighing, unstable discharge, and poor adaptability of the weighing belt feeder are solved, achieving accurate weighing and stable discharge, and improving the ease of use and adaptability of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HANDAN FEIXIANG HONGFENG MINING MASCH MFG CO LTD
- Filing Date
- 2025-08-05
- Publication Date
- 2026-06-23
AI Technical Summary
Existing weighing belt feeders have poor weighing performance, poor quantitative discharge performance, may affect conveying, poor adaptability and adjustability, and are inconvenient to use.
The quantitative feeding device, composed of components such as PLC controller, servo motor, vibration motor, and electric push rod, uses static weighing by weighing pan, quantitative discharge by unloading valve, and material guidance by vibration motor. It is adjusted for lifting by electric push rod and connecting column. The hopper can be adapted and replaced by mounting slot and positioning mounting block.
It achieves more accurate weighing results, stable quantitative discharge, avoids material sticking, improves the stability and adaptability of conveying, and is more convenient to use.
Smart Images

Figure CN224393796U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of quantitative feeding technology, specifically a quantitative feeding device. Background Technology
[0002] Belt conveyors, also known as belt feeders, belt conveyors, or rubber belt conveyors, are essential and economical logistics transportation equipment for forming rhythmic assembly lines. Belt conveyors can be classified according to their conveying capacity into heavy-duty belt conveyors, such as mining belt conveyors, and light-duty belt conveyors, such as those used in the electronics, plastics, food, light industry, chemical, and pharmaceutical industries.
[0003] There is an existing weighing belt feeder (CN201711054582.1) with a simple structure and reasonable design, which can automatically weigh and feed quantitatively. However, it has shortcomings. The existing equipment has poor weighing effect and poor quantitative discharge effect. Moreover, the conveying may be affected, and its adaptability and adjustability are not good, making it inconvenient to use. Therefore, a quantitative feeding device is needed to solve the above problems. Utility Model Content
[0004] The purpose of this utility model is to provide a quantitative feeding device to solve the problems mentioned in the background art, such as poor weighing effect, poor quantitative discharge effect, possible impact on conveying, poor adaptability and inconvenience of use of the weighing belt feeder.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a quantitative feeding device, comprising a fixed plate, a support frame fixedly connected to the lower corner of the fixed plate, a guide groove vertically fixedly connected to one side of the upper end of the fixed plate, and a PLC controller electrically connected to the front side of the guide groove, a vibration motor fixedly connected to one side of the lower end of the fixed plate, and a cover plate flipped and connected to the rear side of the upper end of the fixed plate, an electric push rod vertically inserted and fixedly connected to the middle position of the lower end of the inner wall of the support frame, and the output end of the electric push rod fixedly connected to the lower end of the fixed plate, a conveyor belt fixedly connected to the inner wall of the fixed plate, a limiting rotation groove formed in the middle position of one side of the inner wall of the guide groove, and a servo motor inserted and connected to the front side of the limiting rotation groove, the output end of the servo motor fixedly connected to... The device includes a rotating block with a weighing pan fixedly connected to one side. A discharge valve is connected to the upper end of the inner wall of the guide groove, and a positioning mounting block is fixedly connected to the upper edge of the discharge valve. A hopper is fitted onto the outer wall of the positioning mounting block, and a positioning mounting groove is provided at the lower edge of the hopper. The positioning mounting block and the positioning mounting groove are interlocked. An mounting groove is fixedly connected to the upper edge of the guide groove. A discharge port is connected to one side of the inner wall of the weighing pan. A connecting column is slidably interlocked inside the corner of the support frame, and the upper end of the connecting column is fixedly connected to the lower end of the fixed plate. Universal wheels are fixedly connected to both sides of the lower end of the support frame. The discharge valve, conveyor belt, electric push rod, vibration motor, weighing pan, and servo motor are electrically connected to the PLC controller.
[0006] Preferably, the fixing plate is connected to the support frame in a lifting and lowering motion via an electric push rod, and the fixing plate is connected to the support frame in a limiting lifting and lowering motion via a connecting column. The casters are distributed in a matrix position at the lower end of the support frame, and the casters have a self-locking structure.
[0007] Preferably, the hopper is installed by a limiting splicing connection between the mounting groove and the guide groove, and the hopper is installed by a positioning mounting block, a positioning mounting groove and a discharge valve in a plug-in sealing combination.
[0008] Preferably, the hopper is connected to the weighing pan in an open-closed manner via a discharge valve.
[0009] Preferably, the surface of the conveyor belt has an arc-shaped groove structure, and the cover plate and the conveyor belt are distributed in a flipped-over-cover configuration.
[0010] Preferably, the weighing pan is connected to the limiting rotation groove via a servo motor and a rotating block in a reset and flipping manner, and the weighing pan and the discharge port have a smooth groove structure. The weighing pan and the conveyor belt are connected to the fixed plate via a vibration motor in a vibration manner.
[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: This quantitative feeding device can achieve better results through static weighing by a weighing pan, and can discharge quantitatively through a discharge valve, resulting in more stable discharge. It can also discharge material by flipping the weighing pan, and can guide the material through vibration by a vibrating motor to prevent sticking. Furthermore, the conveyor belt can be protected by a cover plate to avoid being affected during conveying. It can also be raised and lowered by an electric push rod and connecting column. Moreover, the hopper can be positioned and disassembled through the mounting groove, positioning mounting block, and positioning mounting slot, making it convenient for adaptation, replacement, and adjustment, resulting in better performance. Attached Figure Description
[0012] Figure 1 This is a front view of a quantitative feeding device according to the present invention;
[0013] Figure 2 This is a schematic diagram of the internal structure of a quantitative feeding device according to the present invention;
[0014] Figure 3 This is a top view of the weighing pan of a quantitative feeding device according to this utility model;
[0015] Figure 4 This utility model relates to a quantitative feeding device. Figure 2 Enlarged view of point A in the middle;
[0016] Figure 5 This utility model relates to a quantitative feeding device. Figure 2 Enlarged view of section B in the middle.
[0017] In the diagram: 1. Fixed plate, 2. Support frame, 3. Guide groove, 4. PLC controller, 5. Mounting groove, 6. Hopper, 7. Discharge valve, 8. Conveyor belt, 9. Cover plate, 10. Casters, 11. Electric push rod, 12. Vibration motor, 13. Weighing pan, 14. Connecting column, 15. Discharge port, 16. Positioning mounting block, 17. Positioning mounting groove, 18. Servo motor, 19. Limiting rotation groove, 20. Rotating block. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0019] Please see Figure 1-5This utility model provides a technical solution: a quantitative feeding device, including a fixed plate 1, a support frame 2, a guide groove 3, a PLC controller 4, a mounting groove 5, a hopper 6, a discharge valve 7, a conveyor belt 8, a cover plate 9, casters 10, an electric push rod 11, a vibrating motor 12, a weighing pan 13, a connecting column 14, a discharge port 15, a positioning mounting block 16, a positioning mounting groove 17, a servo motor 18, a limiting rotation groove 19, and a rotating block 20. The support frame 2 is fixedly connected to the lower corner of the fixed plate 1, and the guide groove 3 is vertically fixedly connected to one side of the upper end of the fixed plate 1. The PLC controller 4 is electrically connected to the front side of the guide groove 3. The fixed plate 1 is connected to the support frame 2 in a lifting and lowering motion through the electric push rod 11, and the fixed plate 1 is connected to the support frame 2 through the connecting column 14. The support frame 2 is connected in a limiting lifting configuration. The casters 10 are arranged in a matrix at the lower end of the support frame 2 and are self-locking. This allows the fixed plate 1 to be adjusted in height and moved by pushing and pulling. A vibration motor 12 is fixedly connected to one side of the lower end of the fixed plate 1, and a cover plate 9 is flipped and connected to the rear side of the upper end of the fixed plate 1. An electric push rod 11 is vertically inserted and fixedly connected to the middle position of the lower end of the inner wall of the support frame 2, and the output end of the electric push rod 11 is fixedly connected to the lower end of the fixed plate 1. A conveyor belt 8 is fixedly connected to the inner wall of the fixed plate 1. The surface of the conveyor belt 8 has an arc-shaped groove structure. The cover plate 9 and the conveyor belt 8 are flipped and covered, which prevents material leakage from the conveyor belt 8 and protects it from external influences. The guide trough 3 is located at the middle position of one side of its inner wall. A limiting rotating groove 19 is provided, and a servo motor 18 is inserted and connected to the front side of the limiting rotating groove 19. A rotating block 20 is fixedly connected to the output end of the servo motor 18, and a weighing pan 13 is fixedly connected to one side of the rotating block 20. The weighing pan 13 is connected to the limiting rotating groove 19 for reset and flipping through the servo motor 18 and the rotating block 20. The weighing pan 13 and the discharge port 15 have a smooth groove structure. The weighing pan 13 and the conveyor belt 8 are connected to the fixed plate 1 for vibration through the vibrating motor 12. This allows the weighing pan 13 to be flipped and adjusted for easy discharge, and the vibration motor 12 can be used to vibrate and prevent sticking. A discharge valve 7 is connected to the upper end of the inner wall of the guide groove 3, and a positioning mounting block 16 is fixedly connected to the upper edge of the discharge valve 7. A hopper 6 is fitted onto the outer wall of block 16, and a positioning mounting groove 17 is provided on the lower edge of hopper 6. Hopper 6 is installed in a limiting splicing manner with guide groove 3 through mounting groove 5. Hopper 6 is also installed in a plug-in sealed combination with discharge valve 7 through positioning mounting block 16, positioning mounting groove 17, and discharge block 7. This makes it easy to limit the insertion and disassembly of hopper 6, and easy to adapt, replace and adjust. Hopper 6 is connected to weighing pan 13 in an open and closed communication manner through discharge valve 7, so that hopper 6 can stably discharge material through discharge valve 7 with good effect. Positioning mounting block 16 is plugged into positioning mounting groove 17. The upper edge of guide groove 3 is fixedly connected to mounting groove 5. One side of the inner wall of weighing pan 13 is connected to discharge port 15. Connecting column 14 is slidably plugged into the inside of the corner of support frame 2.The upper end of the connecting column 14 is fixedly connected to the lower end of the fixed plate 1, and casters 10 are fixedly connected to both sides of the lower end of the support frame 2. The unloading valve 7, conveyor belt 8, electric push rod 11, vibrating motor 12, weighing pan 13, and servo motor 18 are electrically connected to the PLC controller 4.
[0020] Working principle: When using this quantitative feeding device, first assemble and install the device, then connect the device to the power supply, then inject the material into the hopper 6, and then discharge it stably through the discharge valve 7, dropping it onto the weighing pan 13 for accurate weighing. After weighing, the weighing pan 13 can be rotated downward by the servo motor 18, the limit rotation groove 19, and the rotating block 20, pouring the material onto the conveyor belt 8. The vibrating motor 12 shakes the material off the weighing pan 13 completely, and then it is transported by the conveyor belt 8. During transportation, it can be protected by the cover plate 9. When it is necessary to adjust the conveying height, it can be adjusted by the electric push rod 11 and the connecting column 14. Moreover, when it is necessary to adapt to different hoppers 6, it can be quickly installed, disassembled, and replaced by the mounting groove 5, the positioning mounting block 16, and the positioning mounting groove 17. This is the usage process of this quantitative feeding device.
[0021] It should be noted that this utility model is a quantitative feeding device, and all components are standard parts or components known to those skilled in the art. Its structure and principle can be learned by those skilled in the art through technical manuals or conventional experimental methods. Furthermore, all electrical components mentioned above refer to power elements, electrical components, and the matching monitoring computer and power supply connected by wires. The specific connection method should refer to the working principle described above, and the electrical connection between each electrical component should be completed in the order of operation. The detailed connection method is a well-known technology in the field.
[0022] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. 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.
Claims
1. A quantitative feeding device, comprising a fixed plate (1), wherein a support frame (2) is fixedly connected to the lower corner of the fixed plate (1), and a guide groove (3) is vertically fixedly connected to one side of the upper end of the fixed plate (1), and a PLC controller (4) is electrically connected to the front side of the guide groove (3), characterized in that: A vibration motor (12) is fixedly connected to one side of the lower end of the fixed plate (1), and a cover plate (9) is flipped and connected to the rear side of the upper end of the fixed plate (1). An electric push rod (11) is vertically inserted and fixedly connected to the middle position of the lower end of the inner wall of the support frame (2), and the output end of the electric push rod (11) is fixedly connected to the lower end of the fixed plate (1). A conveyor belt (8) is fixedly connected to the inner wall of the fixed plate (1). A limiting rotation groove (19) is opened in the middle position of one side of the inner wall of the guide groove (3), and a servo motor (18) is inserted and connected to the front side of the limiting rotation groove (19). A rotating block (20) is fixedly connected to the output end of the servo motor (18), and a weighing pan (13) is fixedly connected to one side of the rotating block (20). A discharge valve (7) is connected to the upper end of the inner wall of the guide groove (3), and the upper edge of the discharge valve (7) protrudes and is fixedly connected to... There is a positioning mounting block (16), the outer wall of which is fitted with a hopper (6), and the lower edge of the hopper (6) is provided with a positioning mounting groove (17). The positioning mounting block (16) and the positioning mounting groove (17) are inserted and connected. The upper edge of the guide groove (3) is fixedly connected with a mounting groove (5). The inner wall of the weighing pan (13) is connected to a discharge port (15). The corner of the support frame (2) is slidably inserted and connected with a connecting column (14), and the upper end of the connecting column (14) is fixedly connected to the lower end of the fixing plate (1). The lower sides of the support frame (2) are fixedly connected with universal wheels (10). The unloading valve (7), conveyor belt (8), electric push rod (11), vibration motor (12), weighing pan (13) and servo motor (18) are electrically connected to the PLC controller (4).
2. The quantitative feeding device according to claim 1, characterized in that: The fixed plate (1) is connected to the support frame (2) in a lifting and lowering motion via an electric push rod (11), and the fixed plate (1) is connected to the support frame (2) in a limiting lifting and lowering motion via a connecting column (14). The universal wheels (10) are distributed in a matrix position at the lower end of the support frame (2), and the universal wheels (10) have a self-locking structure.
3. The quantitative feeding device according to claim 2, characterized in that: The hopper (6) is installed in a limiting splicing connection with the guide groove (3) through the mounting groove (5), and the hopper (6) is installed in a plug-in sealing combination with the unloading valve (7) through the positioning mounting block (16), the positioning mounting groove (17).
4. A quantitative feeding device according to claim 3, characterized in that: The hopper (6) is connected to the weighing pan (13) in an open-closed manner through the unloading valve (7).
5. A quantitative feeding device according to claim 4, characterized in that: The surface of the conveyor belt (8) has an arc-shaped groove structure, and the cover plate (9) is distributed with the conveyor belt (8) in a flipped-over-cover configuration.
6. A quantitative feeding device according to claim 5, characterized in that: The weighing pan (13) is connected to the limiting rotating groove (19) via a servo motor (18) and a rotating block (20) in a reset and flipping connection. The weighing pan (13) and the discharge port (15) are smooth groove structures. The weighing pan (13) and the conveyor belt (8) are connected to the fixed plate (1) via a vibration motor (12) in a vibration connection.