A high-precision automatic feeding and weighing device for granular metal raw materials

By combining coarse and fine feeding components with automated control of electronic weighing and displacement platforms, the problem of unstable feeding of granular raw materials in existing technologies has been solved, achieving a high-precision and efficient automatic feeding process.

CN224552508UActive Publication Date: 2026-07-24HANGZHOU SINO-MIM TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HANGZHOU SINO-MIM TECH CO LTD
Filing Date
2025-09-28
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing methods for feeding granular raw materials are labor-intensive, unstable, prone to errors, and have low production efficiency, and the feeding accuracy cannot be accurately controlled.

Method used

It adopts a combination of coarse feeding and fine feeding components, combined with an electronic weighing platform and a displacement platform. The data is fed back to the host computer in real time through sensors to control the movement of the feeding components to achieve high-precision automatic feeding.

Benefits of technology

It reduces the labor intensity of employees, improves production efficiency and weighing accuracy, and avoids the instability of manual operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a kind of high-precision automatic feeding and weighing equipment for granular metal raw materials.The existing device can realize automatic discharging, but it is mainly discharged through a discharging device, and the accuracy of discharging cannot be accurately controlled, and there is likely to be a large error.The utility model includes rack, bin and feeding component are set on rack, characterized in that the feeding component includes parallelly arranged coarse feeding component and fine feeding component, and further includes electronic weighing platform, the electronic weighing platform is arranged on a displacement platform component, the displacement platform component can drive electronic weighing platform to move at the discharge port of coarse feeding component and fine feeding component, the electronic weighing platform feeds weighing data in real time to host computer by sensor, and host computer controls the action of coarse feeding component, fine feeding component and displacement platform component.The utility model improves production efficiency and quality, and reduces labor intensity.
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Description

Technical Field

[0001] This utility model relates to the technical field of feeding and weighing equipment, and in particular to a high-precision automatic feeding and weighing equipment for granular metal raw materials. Background Technology

[0002] Previously, granular raw materials were all fed manually, requiring employees to add the granules to the container and weigh them, adjusting the feeding based on the data displayed on the electronic scale. The disadvantages of this feeding method are that it is labor-intensive for employees, has a high degree of instability, is prone to errors, and has low production efficiency.

[0003] Publication number CN215865433U discloses a granular material weighing instrument, which includes a mounting frame; a feeding device mounted on the mounting frame for receiving and conveying granular material; a dropping control device mounted on the feeding device for controlling the precise dropping of granular material; a weighing device located at the output port of the feeding device for weighing the granular material; a monitoring device located within the feeding device for monitoring the granular material in the feeding device; and a controller electrically connected to the weighing system, the dropping control device, and the monitoring device. The controller is capable of receiving, analyzing, judging, and transmitting data signals, and, based on the data feedback from the weighing device, controls the action of the dropping control device accordingly to ensure that the granular material on the weighing device reaches a preset weight value. Although this device can achieve automatic feeding, it mainly relies on a single feeding device, making it difficult to accurately control the feeding precision and prone to significant errors. Utility Model Content

[0004] To address the problems existing in the prior art, this utility model provides a high-precision automatic feeding and weighing device for granular metal raw materials, which improves production efficiency and quality and reduces the labor intensity of employees.

[0005] Therefore, the technical solution adopted by this utility model is: a high-precision automatic feeding and weighing device for granular metal raw materials, including a frame, a hopper and a feeding component are arranged on the frame, characterized in that the feeding component includes a coarse feeding component and a fine feeding component arranged in parallel, and also includes an electronic weighing platform, which is arranged on a displacement platform component. The displacement platform component can drive the electronic weighing platform to move at the outlet of the coarse feeding component and the fine feeding component. The electronic weighing platform feeds back the weighing data to the host computer in real time through sensors, and the host computer controls the actions of the coarse feeding component, the fine feeding component and the displacement platform component.

[0006] Preferably, the coarse feeding component includes a coarse feeding screw located below the hopper. The coarse feeding screw is arranged horizontally with a drive servo motor at one end and a coarse feeding outlet at the other end.

[0007] Preferably, the fine feeding component is located on the side of the coarse feeding outlet, and includes a stepper motor and a stepper reducer arranged longitudinally. The stepper reducer is connected to the spiral stirring blades through a coupling and a connecting shaft. A fine feeding screw and a fine feeding sealing component are arranged at the lower part of the spiral stirring blades.

[0008] Preferably, the displacement platform component includes a laterally arranged linear guide rail and a drag chain, and an electronic weighing platform is arranged on the linear guide rail. The electronic weighing platform is driven by a switching cylinder to move laterally along the linear guide rail.

[0009] Preferably, the linear guide rail is provided with a hydraulic buffer and a limit bolt on the side near the fine feeding component.

[0010] Preferably, a material shortage alarm sensor is installed inside the silo.

[0011] Preferably, a material cylinder is provided at the lower part of the frame, and the material cylinder replenishes the material hopper through a suction device.

[0012] Preferably, a container sensing sensor is installed on the electronic weighing platform.

[0013] This invention achieves automatic weighing of granular metal raw materials through the combined and coordinated operation of coarse feeding and fine feeding components, reducing the labor intensity of employees, avoiding employee instability, and improving production efficiency and weighing accuracy. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0015] Figure 2 for Figure 1 A schematic diagram of the internal structure after removing the protective cover.

[0016] Figure 3 This is a schematic diagram of the transverse platform component of this utility model.

[0017] Figure 4 This is a structural diagram of the precision feeding component.

[0018] Figure 5 This is a schematic diagram of the coarse feeding component.

[0019] Figure 6 This is a top view of the transverse platform component.

[0020] In the attached diagram: 1. Feeder, 2. Protective cover, 3. Start button, 4. Reset button, 5. Replenishment button, 6. Emergency stop button, 7. Feeding electromagnetic lock, 8. Printer, 9. Lower frame, 10. Frame, 11. Container, 12. Switching cylinder, 13. Electronic weighing platform, 14. Bellows cover, 15. Stepper motor, 16. Stepper reducer, 17. Coupling, 18. Connecting shaft, 19. Spiral agitator blades, 20. Precision machining screw, 21. Precision machining sealing component, 22. First bearing assembly, 23. Coarse machining screw, 24. Hopper, 25. Material shortage alarm sensor, 26. Second bearing assembly, 27. Coupling, 28. Servo motor, 29. Linear guide rail, 30. Floating joint, 31. Hydraulic damper, 32. Limit bolt. 33. Cable carrier, A. Displacement platform component, B. Coarse feeding component, C. Fine feeding component, D. Hopper suction component, E. Material cylinder. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0022] like Figures 1-2 The device shown is a high-precision automatic feeding and weighing equipment for granular metal raw materials. It includes a frame 10, on which a hopper 24, a coarse feeding component B, a fine feeding component C, and a hopper suction component D are mounted. A material cylinder E is located at the lower part of the frame 10, and the material cylinder E replenishes the hopper 24 via a suction device 1. A control panel is also mounted on the frame, featuring a start button 3, a reset button 4, a replenishment button 5, an emergency stop button 6, a feeding electromagnetic lock 7, and a printer 8.

[0023] Specifically, an electronic weighing platform 13 is also installed on the frame at the outlet section of the feeding component. The electronic weighing platform is mounted on a displacement platform component A. The displacement platform component can drive the electronic weighing platform to move at the outlet of the coarse feeding component and the fine feeding component. The electronic weighing platform feeds back the weighing data to the host computer in real time through sensors. The host computer controls the actions of the coarse feeding component, the fine feeding component and the displacement platform component.

[0024] Specifically, such as Figure 5 As shown, the coarse feeding component B includes a coarse feeding screw 23, a first bearing assembly 22, and a second bearing assembly 26 arranged below the hopper 24. The coarse feeding screw 23 is arranged horizontally, with a coupling 27 and a drive servo motor 28 at one end, and a coarse feeding outlet at the other end.

[0025] Specifically, such as Figure 4As shown, the fine feeding component is located on the side of the coarse feeding outlet, including a stepper motor 15 and a stepper reducer 16 arranged longitudinally. The stepper reducer is connected to the spiral stirring blade 19 through a coupling 17 and a connecting shaft 18. A fine feeding screw 20 and a fine feeding sealing component 21 are arranged at the lower part of the spiral stirring blade.

[0026] In one embodiment, such as Figure 3 and Figure 6 As shown, the displacement platform component A includes a transversely arranged linear guide rail 29 and a drag chain 33. An electronic weighing platform 13 is arranged on the linear guide rail 29. The electronic weighing platform is driven by a switching cylinder 12 to move laterally along the linear guide rail. A floating joint 30 is provided at the end of the switching cylinder, and a bellows cover 14 is also provided on the upper part of the transverse track.

[0027] Specifically, a hydraulic buffer 31 and a limit bolt 32 are installed on the side of the linear guide 29 near the fine feeding component. A material shortage alarm sensor 25 is installed inside the hopper.

[0028] Specifically, a container sensing sensor is installed on the weighing platform. After a container is detected, a signal is sent to the host computer.

[0029] The entire process of the equipment is as follows: granular material is added to the hopper. The low material alarm sensor 25 detects a low material level in the hopper. The PLC controls the feeder to suck the granular material into the hopper. The employee places the container on the electronic weighing platform and presses the start button, triggering the container sensor. The coarse feeding port opens, and the coarse feeding component begins feeding. The electronic weighing platform provides real-time data feedback to the host computer, which transmits the data to the PLC. The PLC adjusts the discharge speed according to the data until the electronic scale value reaches the specified range. The coarse feeding port closes.

[0030] The electronic weighing platform moves to the finishing position, the finishing seal is opened, the finishing feeding component begins feeding, the electronic weighing platform feeds data to the host computer in real time, the host computer transmits data to the PLC, the PLC adjusts the discharge speed according to the data until the value on the electronic weighing platform reaches the specified range, the finishing seal reaches the specified range, the coding machine codes, and the QR code records the corresponding part number, date, and weight, and the entire processing is completed.

[0031] It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the invention, and these equivalent forms also fall within the scope defined by the appended claims.

Claims

1. A high-precision automatic feeding and weighing device for granular metal raw materials, comprising a frame (10), a hopper (24) and a feeding component mounted on the frame, characterized in that... The feeding components include a coarse feeding component (B) and a fine feeding component (C) arranged in parallel, and also include an electronic weighing platform (13). The electronic weighing platform is mounted on a displacement platform component (A). The displacement platform component can drive the electronic weighing platform to move at the outlet of the coarse feeding component and the fine feeding component. The electronic weighing platform feeds back the weighing data to the host computer in real time through a sensor. The host computer controls the actions of the coarse feeding component, the fine feeding component and the displacement platform component.

2. The high-precision automatic feeding and weighing device for granular metal raw materials according to claim 1, characterized in that... The coarse feeding component (B) includes a coarse feeding screw (23) located below the hopper. The coarse feeding screw (23) is arranged horizontally and has a drive servo motor (28) at one end and a coarse feeding outlet at the other end.

3. The high-precision automatic feeding and weighing device for granular metal raw materials according to claim 2, characterized in that... The fine feeding component is located on the side of the coarse feeding outlet and includes a stepper motor (15) and a stepper reducer (16) arranged longitudinally. The stepper reducer is connected to the spiral stirring blade (19) through a coupling (17) and a connecting shaft (18). The lower part of the spiral stirring blade is provided with a fine feeding screw (20) and a fine feeding sealing component (21).

4. A high-precision automatic feeding and weighing device for granular metal raw materials according to any one of claims 1-3, characterized in that... The displacement platform component (A) includes a transversely arranged linear guide rail (29) and a drag chain (33). An electronic weighing platform (13) is arranged on the linear guide rail (29). The electronic weighing platform is driven by a switching cylinder (12) to move laterally along the linear guide rail.

5. A high-precision automatic feeding and weighing device for granular metal raw materials according to claim 4, characterized in that... The linear guide (29) is provided with a hydraulic buffer (31) and a limit bolt (32) on the side near the fine feeding component.

6. The high-precision automatic feeding and weighing device for granular metal raw materials according to claim 1, characterized in that... The material shortage alarm sensor (25) is installed in the silo.

7. A high-precision automatic feeding and weighing device for granular metal raw materials according to claim 1, characterized in that... The lower part of the frame (10) is provided with a material cylinder (E), which replenishes the material hopper through a feeder (1).

8. A high-precision automatic feeding and weighing device for granular metal raw materials according to claim 1, characterized in that... The electronic weighing platform is equipped with a container sensing sensor.