Powder ration filling device

Abstract

The utility model relates to powder filling technical field, concretely is a kind of powder quantitative filling equipment, including storage tank main body, fixed bolster, blanking tube, weighing assembly and dust suppression subassembly, storage tank main body connects fixed bolster, blanking tube is set up on storage tank main body, weighing assembly is arranged below blanking tube, weighing assembly includes weighing sensor and weighing hopper, and multiple weighing sensor circumferential array distribution is at the outside of weighing hopper, and weighing hopper is same with blanking tube circle center, and valve is connected on weighing hopper.In the utility model, through the dustproof sleeve of conical shape between blanking tube and weighing hopper forms a conical space to possibly splashed layering is restrained, and dust is collected through dustproof sleeve side wall, and the inner seal and outer seal set respectively locate the inside and outside of weighing hopper, and possibly splashed layering from weighing hopper is blocked, prevent dust from causing influence to external electronic equipment.

Description

Technical Field

[0001] This utility model relates to the field of powder filling technology, specifically to a powder quantitative filling device. Background Technology

[0002] Powder filling is an important part of the powder processing process. Powder filling machines are suitable for filling powdered and granular materials such as pesticides, veterinary drugs, premixes, additives, milk powder, starch, seasonings, enzyme preparations, and feed. Powder filling machines have been widely used in industrial and agricultural processing.

[0003] Chinese Patent No. CN210126653U discloses a dustproof device for a powder filling machine. The device includes a machine body, a feeding funnel fixedly connected to one side of the machine body, and a movable shaft installed on the right side of the feeding funnel. A dust cover is movably connected to the top of the movable shaft, and a partition is installed below the dust cover. A vibration pump is connected between the partition and the outer wall of the feeding funnel. In this invention, under the action of a lifting mechanism, an electric telescopic rod can raise the filling bucket on its placement plate, thereby enclosing the feeding pipe inside the filling bucket. Powder can then be fed into the filling bucket through a material limiting mechanism. After filling, the electric telescopic rod lowers the placement plate to an electronic scale. The electronic scale is tare-treated, so it can accurately measure the weight of the powder in the filling bucket. This lifting mechanism facilitates the operation of the powder filling device and allows for accurate weighing of the powder in the filling bucket.

[0004] However, in the above technical solution, the filling barrel is only raised and wrapped around the discharge pipe by the lifting mechanism, thus forming a relatively closed space during filling. The gross weight of the filling barrel placed on it is weighed by an electronic scale. However, the protection against dust in this structure depends on the cooperation between the filling barrel and the dustproof mechanism. After the material is filled, the dust generated by the material falling and hitting the container and the friction between the materials will continue to float. After the filling barrel moves away from the dustproof mechanism, it will drift outward and pollute the surrounding environment. Electronic equipment and weighing equipment are easily affected by dust and their normal operation will be affected. Utility Model Content

[0005] The purpose of this invention is to address the problems existing in the background technology by proposing a powder quantitative filling device.

[0006] The technical solution of this utility model is as follows: A powder quantitative filling device includes a storage tank body connected to a fixed support, and a discharge pipe on the storage tank body; a weighing component located below the discharge pipe, the weighing component including a weighing sensor and a weighing funnel, multiple weighing sensors arranged in a circumferential array on the outside of the weighing funnel, the weighing funnel having the same center as the discharge pipe, and a valve connected to the weighing funnel; and a dust suppression component located between the discharge pipe and the weighing component, the dust suppression component including a mounting plate, a dustproof sleeve, a support plate, a partition, and auxiliary components. The mounting plate is connected to the storage tank, and a notch for the discharge pipe is provided on the mounting plate. The support plate is parallel to the mounting plate. The two ends of the inverted conical dustproof sleeve are connected to the mounting plate and the support plate respectively. The support plate has a notch the same as or slightly larger than the top of the weighing funnel. The auxiliary components are connected to the side of the support plate near the weighing funnel to form a closed structure with the weighing funnel. An annular partition is connected to the other side of the support plate, and the partition and the dustproof sleeve cooperate to form a U-shaped receiving space.

[0007] Preferably, the weighing assembly also includes a mounting frame connected to a fixed bracket, and multiple weighing funnels are connected to the mounting frame.

[0008] Preferably, the auxiliary component consists of an inner seal and an outer seal, which are nested together and located on the inner and outer sides of the weighing funnel.

[0009] Preferably, the inner seal is an annular brush, and the outer seal is a flexible silicone lip.

[0010] Preferably, the inner wall of the dustproof sleeve is coated with an antistatic coating.

[0011] Preferably, the inner surface of the weighing funnel is made of mirror-polished stainless steel.

[0012] Preferably, the dustproof sleeve is connected to a negative pressure pipe interface, and the negative pressure pipe structure is located close to the receiving space.

[0013] Preferably, a conical backflow inlet is provided at the outlet of the feed pipe.

[0014] Compared with the prior art, the above-mentioned technical solution of this utility model has the following beneficial technical effects: In this invention, a conical dustproof sleeve forms a conical space between the feed pipe and the weighing funnel to constrain any potential splashing of stratified material. Dust is collected by the side wall of the dustproof sleeve. Stratified material that falls off the side wall of the dustproof sleeve is collected by the space formed by the partition and the dustproof sleeve to prevent it from affecting normal material weighing. The inner and outer seals are located on the inner and outer sides of the weighing funnel, respectively, blocking any stratified material that may splash from the weighing funnel and preventing dust from affecting external electronic equipment. Attached Figure Description

[0015] Figure 1 This is a perspective view of the present utility model; Figure 2 for Figure 1 A cross-sectional view; Figure 3 for Figure 2 The main view; Figure 4 for Figure 3 Enlarged view of the structure at point A; Reference numerals in the attached drawings: 1. Main body of storage bin; 2. Fixed bracket; 3. Feed pipe; 4. Weighing sensor; 5. Weighing funnel; 6. Mounting plate; 7. Dustproof sleeve; 8. Support plate; 9. Partition; 10. Auxiliary component; 11. Mounting frame; 12. Inner seal; 13. Outer seal; 14. Negative pressure pipe interface. Detailed Implementation

[0016] Example 1 like Figures 1-4 As shown, this utility model proposes a powder quantitative filling device, including a storage tank body 1, a fixed support 2, a feeding pipe 3, a weighing component, and a dust suppression component. The storage tank body 1 is connected to the fixed support 2, and the feeding pipe 3 is opened on the storage tank body 1. The feeding pipe 3 is equipped with a control valve and a screw conveyor structure for conveying powder. The weighing component is located below the feeding pipe 3 and includes a weighing sensor 4 and a weighing funnel 5. Multiple weighing sensors 4 are arranged in a circumferential array on the outside of the weighing funnel 5. The weighing funnel 5 has the same center as the feeding pipe 3, and a valve is connected to the weighing funnel 5. The dust suppression component is located between the feeding pipe 3 and the weighing... Between the components, the dust suppression component includes a mounting plate 6, a dustproof sleeve 7, a support plate 8, a partition 9, and an auxiliary component 10. The mounting plate 6 is connected to the storage box and has a notch for the material discharge pipe 3. The support plate 8 is set parallel to the mounting plate 6. The two ends of the inverted conical dustproof sleeve 7 are connected to the mounting plate 6 and the support plate 8, respectively. The support plate 8 has a notch that is the same as or slightly larger than the top of the weighing funnel 5. The auxiliary component 10 is connected to the side of the support plate 8 near the weighing funnel 5 to form a closed structure with the weighing funnel 5. The other side of the support plate 8 is connected to the annular partition 9. The partition 9 and the dustproof sleeve 7 cooperate to form a U-shaped receiving space. In an optional embodiment, the inner wall of the dustproof sleeve 7 is coated with an antistatic coating; the antistatic coating prevents the dustproof sleeve 7 from being statically charged, which would cause dust to adhere and become unable to fall off. In an optional embodiment, the inner surface of the weighing funnel 5 is made of mirror-polished stainless steel; the inner wall of the weighing funnel 5 should be as smooth as possible to reduce powder retention and adhesion, and avoid deterioration caused by prolonged powder retention and adhesion, as well as inaccurate weight due to accidental detachment. In an optional embodiment, a negative pressure pipe interface 14 is connected to the dustproof sleeve 7, and the negative pressure pipe structure is located close to the containing space; the negative pressure pipe interface 14 is connected to an external negative pressure device, and the powder collected in the containing space is washed away by negative pressure for easy recycling or other uses.

[0017] Example 2 like Figures 1-2 As shown, this utility model proposes a powder quantitative filling device. Compared with Embodiment 1, this embodiment describes the detailed structure of the weighing component. The weighing assembly also includes a mounting frame 11, which is connected to a fixed bracket 2, and multiple weighing funnels 5 are connected to the mounting frame 11.

[0018] Example 3 like Figures 1-2 As shown, this utility model proposes a powder quantitative filling device. Compared with Embodiment 2, this embodiment describes the detailed structure of the dust suppression component. In an optional embodiment, the auxiliary component 10 consists of an inner seal 12 and an outer seal 13, which are nested together and located on the inner and outer sides of the weighing funnel 5. The double-layer protection can reduce accidental leakage of powder and prevent dust from adhering and affecting the weighing sensor 4 or other equipment. In an optional embodiment, the inner seal 12 is an annular brush and the outer seal 13 is a flexible silicone lip; the annular brush can prevent dust from passing through without affecting the normal exchange of gas through its bristles, and the flexible silicone lip can provide secondary protection to prevent dust from passing through. In an optional embodiment, a conical backflow port is provided at the outlet of the feed pipe 3; the conical backflow port can guide the falling powder to discharge it towards the center.

[0019] In summary, when this utility model is used, the storage tank body 1 discharges powder through its valve and discharge structure. The powder enters the weighing funnel 5 during discharge, where the weighing sensor 4 weighs it and sends the data to an external computer or control module. Discharge continues until a certain weight is reached. Once the predetermined weight is achieved, the control module closes the valve on the storage tank body 1 and opens the valve on the weighing funnel 5, discharging the powder into a pre-set container or packaging bag. During powder discharge, the dustproof sleeve 7 is positioned on the outside to contain any potentially splashing dust. Within a conical space, the splashed stratification will gradually fall or adhere to the dustproof sleeve 7 without external wind force. When the stratification is heavy enough to cause it to slip, it will be guided by the dustproof sleeve 7 into the space formed by the dustproof sleeve 7 and the annular partition 9. Normal materials will pass through the cavity in the middle of the partition 9 and be discharged normally. After connecting an external negative pressure device to the negative pressure pipe interface 14, the collected powder can be centrally processed. The stratification caused by the collision of some powder with the weighing funnel 5 will be sealed by the double sealing structure formed by the annular brush and the flexible silicone lip, reducing the possibility of external objects being affected by dust.

[0020] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention.

Claims

1. A powder quantitative filling device, characterized in that, include The storage box body (1) is connected to a fixed bracket (2), and a discharge pipe (3) is provided on the storage box body (1). The weighing assembly is located below the feeding pipe (3). The weighing assembly includes a weighing sensor (4) and a weighing funnel (5). Multiple weighing sensors (4) are arranged in a circumferential array on the outside of the weighing funnel (5). The weighing funnel (5) has the same center as the feeding pipe (3). A valve is connected to the weighing funnel (5). The dust suppression component is set between the feeding pipe (3) and the weighing component. The dust suppression component includes a mounting plate (6), a dustproof sleeve (7), a support plate (8), a partition plate (9), and an auxiliary component (10). The mounting plate (6) is connected to the storage box. The mounting plate (6) has a notch for passing through the feeding pipe (3). The support plate (8) is set parallel to the mounting plate (6). The two ends of the inverted conical dustproof sleeve (7) are connected to the mounting plate (6) and the support plate (8) respectively. The support plate (8) has a notch that is the same as or slightly larger than the top of the weighing funnel (5). The auxiliary component (10) is connected to the side of the support plate (8) near the weighing funnel (5) to form a closed structure with the weighing funnel (5). The other side of the support plate (8) is connected to the annular partition plate (9). The partition plate (9) and the dustproof sleeve (7) cooperate to form a U-shaped receiving space.

2. The powder quantitative filling equipment according to claim 1, characterized in that, The weighing components also include Mounting frame (11) is connected to fixed bracket (2), and multiple weighing funnels (5) are connected to mounting frame (11).

3. The powder quantitative filling equipment according to claim 1, characterized in that, The auxiliary component (10) consists of an inner seal (12) and an outer seal (13). The inner seal (12) and the outer seal (13) are nested inside and outside the weighing funnel (5). The inner seal (12) and the outer seal (13) are located on the inner and outer sides of the weighing funnel (5).

4. The powder quantitative filling equipment according to claim 3, characterized in that, The inner seal (12) is an annular brush, and the outer seal (13) is a flexible silicone lip.

5. The powder quantitative filling equipment according to claim 1, characterized in that, The inner wall of the dustproof sleeve (7) is coated with an antistatic coating.

6. The powder quantitative filling equipment according to claim 1, characterized in that, The inner surface of the weighing funnel (5) is made of mirror-polished stainless steel.

7. The powder quantitative filling equipment according to claim 1, characterized in that, The dustproof sleeve (7) is connected to a negative pressure pipe interface (14), and the negative pressure pipe structure is located close to the accommodating space.

8. The powder quantitative filling equipment according to claim 1, characterized in that, A conical backflow port is provided at the outlet of the feed pipe (3).

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