A quantitative feeding system for granular materials

Abstract

This utility model discloses a quantitative feeding system for granular materials, including two hoppers. Each hopper has a guiding mechanism fixedly connected to its bottom, and the output ends of both guiding mechanisms are fixedly connected to a discharge mechanism. During use, by activating the guiding mechanisms, the material in the corresponding hopper enters the weighing hopper for weighing. This utility model enables the proportioning of materials of different particle sizes by weight, reducing feeding errors and improving the yield rate of products manufactured from the materials. A limiting component is installed between the top fixed body and the weighing hopper within the discharge mechanism. This limiting component maintains the stability of the positional connection between the top fixed body and the weighing hopper, preventing vibration of the weighing hopper caused by a pneumatic hammer from affecting the weighing accuracy of the weighing sensor and thus increasing feeding errors during the batching process.

Description

Technical Field

[0001] This utility model relates to the field of batching technology, specifically to a quantitative feeding system for granular materials. Background Technology

[0002] In the production of refractory bricks, the various raw materials used in their production need to be batched. Traditional batching methods typically involve installing a baffle plate at the bottom of the feeding pipe; the baffle plate is opened during feeding and closed when not feeding. This method is highly unstable and makes it difficult to control the precise quantity of materials fed. Since refractory bricks are produced by mixing different raw materials in varying proportions, any error in the quantity fed will affect the yield rate of subsequent products. Therefore, we propose a quantitative feeding system for granular materials. Utility Model Content

[0003] The purpose of this invention is to provide a quantitative feeding system for granular materials to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a quantitative feeding system for granular materials, including two silos, each silo having a guiding mechanism fixedly connected to its bottom, and the output ends of both guiding mechanisms being fixedly connected to a discharge mechanism;

[0005] The material guiding mechanism includes a format feeder, the input end of which is fixedly connected to the output end of the hopper, the output end of which is fixedly connected to the output end of a vibrating feeder via a connecting pipe, the output end of which is fixedly connected to the input end of a discharge mechanism via a connecting pipe, and a pneumatic slide valve is fixedly installed between the vibrating feeder and the discharge mechanism.

[0006] Preferably, a manual slide valve is fixedly installed between the feeder and the hopper.

[0007] Preferably, the discharge mechanism includes a top fixing body, the top of which is integrally formed with a feeding interface, the bottom of which is inserted with a metering hopper, a weighing sensor is fixedly assembled between the top fixing body and the metering hopper, and a pneumatic butterfly valve is fixedly assembled at the bottom of the metering hopper.

[0008] Preferably, the number of weighing sensors is at least four sets, and the four sets of weighing sensors are evenly distributed in a circle around the center of the weighing hopper.

[0009] Preferably, a pneumatic hammer is fixedly mounted on the side wall of the metering hopper.

[0010] Preferably, a limiting component is fixedly assembled between the top fixing body and the measuring hopper. The limiting component includes a limiting block, which is fixedly connected to the four corners of the top fixing body. A limiting frame is fixedly connected to the four corners of the measuring hopper, and the limiting frame passes through the limiting block.

[0011] Compared with the prior art, the beneficial effects of this utility model are: a quantitative feeding system for granular materials is provided with two sets of guiding mechanisms. During use, by opening the guiding mechanisms respectively, the materials in the corresponding bins can enter the weighing hopper for weighing. After reaching the set weight, the materials in the two bins can be batched. This utility model can realize the batching of materials of different particle sizes by weight, reduce feeding errors, and improve the yield of products produced from the materials.

[0012] This invention provides a limiting component between the top fixed body and the metering hopper in the discharging mechanism. The limiting component can maintain the stability of the positional connection between the top fixed body and the metering hopper, and avoid the impact of vibration of the metering hopper caused by the air hammer on the metering sensor's measurement accuracy, thereby increasing the feeding error during the batching process. Attached Figure Description

[0013] Figure 1 This is a perspective view of the present invention.

[0014] Figure 2 This is a schematic diagram of the material discharge mechanism of this utility model.

[0015] Figure 3 This is a schematic diagram of the limiting component of this utility model.

[0016] In the diagram: 1. Hopper; 2. Material guiding mechanism; 21. Frame feeder; 22. Vibrating feeder; 23. Pneumatic slide gate valve; 24. Manual slide gate valve; 3. Discharge mechanism; 31. Top fixing body; 32. Inlet port; 33. Measuring hopper; 34. Weighing sensor; 35. Pneumatic butterfly valve; 36. Air hammer; 4. Limiting assembly; 41. Limiting block; 42. Limiting frame. Detailed Implementation

[0017] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0018] Please see Figure 1 , Figure 2 and Figure 3This utility model provides a technical solution: a quantitative feeding system for granular materials, including two silos 1. The bottom of each silo 1 is fixedly connected to a guiding mechanism 2. The outlet of each silo 1 is fixedly connected to the input end of the guiding mechanism 2. The output ends of the two guiding mechanisms 2 are fixedly connected to a discharging mechanism 3. The silos 1 are used to store different types of granular refractory materials. When it is necessary to batch the granular materials, the guiding mechanism 2 can guide different granular materials into the discharging mechanism 3. The discharging mechanism 3 weighs and balances the materials. After reaching the required weight, the materials are discharged outward through the discharging mechanism 3.

[0019] like Figure 1 As shown, the material guiding mechanism 2 includes a grid feeder 21. The input end of the grid feeder 21 is fixedly connected to the output end of the hopper 1. The output end of the grid feeder 21 is fixedly connected to the input end of the vibrating feeder 22 via a connecting pipe. The output end of the vibrating feeder 22 is fixedly connected to the discharge mechanism 3 via a connecting pipe. The granular material first enters the vibrating feeder 22 evenly through the grid wheel inside the grid feeder 21, and then enters the discharge mechanism 3 in a vibrating and uniform manner through the vibrating feeder 22. The vibrating feeder 22 and the discharge mechanism 3 are fixedly connected. Equipped with a pneumatic slide gate valve 23, the pneumatic slide gate valve 23 is used to seal the material pipeline entering the discharge mechanism 3. The grid feeder 21 and the vibrating feeder 22 are electrically connected to an external power source. The input end of the pneumatic slide gate valve 23 is connected to an external air pump. The external air pump can control the action of the output end of the pneumatic slide gate valve 23. The grid feeder 21, the vibrating feeder 22 and the pneumatic slide gate valve 23 are all electrically connected to an external controller. The external controller can be an integrated controller such as a computer or a microcontroller, which can control the opening and closing of each device separately.

[0020] A manual slide valve 24 is fixedly installed between the feeder 21 and the hopper 1. When a sudden power outage occurs in the factory, the manual slide valve 24 can be used to close the hopper 1 in time to prevent the material in the hopper 1 from continuing to flow downwards and causing damage to the feeder 21 and the vibrating feeder 22 during the power outage.

[0021] like Figure 2As shown, the discharge mechanism 3 includes a top fixing body 31. The top of the top fixing body 31 is integrally formed with symmetrically distributed feed ports 32 on the left and right. The feed ports 32 are used to connect and fix to the discharge end of the guiding mechanism 2. A metering hopper 33 is inserted into the bottom of the top fixing body 31. The material enters the metering hopper 33 through the feed ports 32. Weighing sensors 34 are fixedly mounted on the side wall of the top fixing body 31. There are four sets of weighing sensors 34, which are evenly distributed in a circle around the center of the metering hopper 33. The input end of the weighing sensor 34 is fixedly connected to the side wall of the metering hopper 33, and the output end of the weighing sensor 34 is connected to the external controller for electrical signal. When the material enters the metering hopper 33, the weight of the material can be weighed by the weighing sensor 34. When the material reaches the set feeding value, the weighing sensor 34 sends an electrical signal to the external controller. The external controller controls the pneumatic slide valve 23 to close and stop feeding.

[0022] A pneumatic butterfly valve 35 is fixedly installed at the bottom of the metering hopper 33. The input end of the pneumatic butterfly valve 35 is electrically connected to an external controller. The opening and closing of the pneumatic butterfly valve 35 can be controlled by the external controller. When the pneumatic butterfly valve 35 is opened, the material in the metering hopper 33 can be discharged downward from the discharge port at the bottom.

[0023] A pneumatic hammer 36 is fixedly mounted on the side wall of the metering hopper 33. The pneumatic hammer 36 is electrically connected to an external controller. When the metering hopper 33 discharges material, the external controller can control the pneumatic hammer 36 to open. The vibration generated by the metering hopper 33 after the pneumatic hammer 36 is opened can prevent the material from blocking the pneumatic butterfly valve 35, making it easier for the metering hopper 33 to discharge material.

[0024] like Figure 1 and Figure 3 As shown, a limiting component 4 is installed between the top fixed body 31 and the measuring hopper 33. The limiting component 4 limits the movement stroke between the measuring hopper 33 and the top fixed body 31, preventing the assembly position of the measuring hopper 33 and the top fixed body 31 from shifting after the air hammer 36 is opened, thus affecting the weighing accuracy of the load cell 34. The limiting component 4 includes a limiting block 41, which is welded and fixed at the four corners of the top fixed body 31. A limiting frame 42 is welded and fixed at the four corners of the measuring hopper 33. The limiting frame 42 passes through the limiting block 41 and is slidably connected to the limiting block 41. The limiting frame 42 is I-shaped. Through the cooperation of the limiting block 41 and the limiting frame 42, the assembly position between the measuring hopper 33 and the top fixed body 31 can be effectively limited, while not affecting the material entering the measuring hopper 33. The measuring hopper 33 moves along the vertical direction, which facilitates the weighing process of the load cell 34.

[0025] Working Principle: When quantitatively feeding granular refractory materials through this system, the various devices in the material guiding mechanism 2 are first started. The starting sequence is as follows: pneumatic slide gate valve 23 is opened, then vibrating feeder 22 is started, and finally grid feeder 21 is started. Manual slide gate valve 24 is in the normally open state. Therefore, when grid feeder 21 is powered on, the material is evenly fed into vibrating feeder 22 through its internal grid wheels. Vibrating feeder 22 then feeds the material into metering hopper 33 in a uniform manner. Metering hopper 33 weighs the material entering it, and once the set value is reached... The corresponding pneumatic slide gate valve 23 is closed, and then the equipment in the other feeding mechanism 2 is started to add the material in the other hopper 1 into the metering hopper 33. The above steps are repeated. After weighing by the metering hopper 33, the proportion of different materials is completed. Then the pneumatic butterfly valve 35 at the bottom of the metering hopper 33 is opened, and the material in the metering hopper 33 is moved to the next production process. During the opening of the pneumatic butterfly valve 35, the air hammer 36 is activated. Through the vibration of the metering hopper 33 by the air hammer 36, the material in the metering hopper 33 can quickly enter the next processing stage without causing blockage of the pneumatic butterfly valve 35.

Claims

1. A dosing system for granular material, characterized in that It includes a hopper (1), and there are two hoppers (1). The bottom of each hopper (1) is fixedly connected to a material guiding mechanism (2), and the output ends of the two material guiding mechanisms (2) are fixedly connected to a material discharging mechanism (3). The material guiding mechanism (2) includes a format feeder (21), the input end of which is fixedly connected to the output end of the hopper (1), the output end of which is fixedly connected to the output end of the vibrating feeder (22) through a connecting pipe, the output end of which is fixedly connected to the input end of the discharge mechanism (3) through a connecting pipe, and a pneumatic slide valve (23) is fixedly assembled between the vibrating feeder (22) and the discharge mechanism (3).

2. A granular material dosing system according to claim 1, characterised in that: A manual slide valve (24) is fixedly installed between the feeder (21) and the hopper (1).

3. A granular material dosing system according to claim 1, characterised in that: The discharge mechanism (3) includes a top fixing body (31), the top of which is integrally formed with a feeding port (32), the bottom of which is inserted with a metering hopper (33), a weighing sensor (34) is fixedly assembled between the top fixing body (31) and the metering hopper (33), and a pneumatic butterfly valve (35) is fixedly assembled at the bottom of the metering hopper (33).

4. A granular material dosing system according to claim 3, characterised in that: The number of the weighing sensors (34) is at least four sets, and the four sets of weighing sensors (34) are evenly distributed in a circle around the center of the measuring hopper (33).

5. A granular material dosing system according to claim 3, characterised in that: A pneumatic hammer (36) is fixedly mounted on the side wall of the metering hopper (33).

6. A granular material dosing system according to claim 3, characterised in that: A limiting component (4) is fixedly assembled between the top fixing body (31) and the measuring hopper (33). The limiting component (4) includes a limiting block (41), which is fixedly connected to the four corners of the top fixing body (31). A limiting frame (42) is fixedly connected to the four corners of the measuring hopper (33), and the limiting frame (42) passes through the limiting block (41).

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