Powder meter weight measuring device

Abstract

The utility model discloses a powder meter weight measuring device which comprises a stand column. A bottom plate is arranged at the lower end of the stand column, a lower dustproof cover is arranged on the upper surface of the bottom plate, a weighing unit is arranged in the middle of the stand column, a hopper is hung in the middle of the weighing unit, a flow guide pipe is arranged at the lower end of the hopper and extends into the lower dustproof cover, and an upper dustproof cover is arranged at the lower end of the outer arc face of the hopper and located above the lower dustproof cover. An upper mounting plate is arranged at the upper end of the stand column, a protective cover is arranged on the upper surface of the upper mounting plate, the upper end of the hopper is located in the protective cover, the middle of the upper mounting plate is connected with a valve through a flange plate, a controller is arranged on the right side face of the stand column, and the input end of the controller is electrically connected with an external power source. The powder can be prevented from escaping, a good sealing effect is achieved, the loss of the powder and the pollution to the environment are reduced, and then a good using effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of rice weight measurement in the plastic industry, and particularly relates to a powder rice weight measurement device. Background Technique

[0002] Plastic materials play an extremely important role in modern life due to their advantages such as light weight, strong plasticity, and low cost. From daily necessities to industrial products and then to high-tech fields, plastic materials are widely used. Plastics can be made into products of various shapes and sizes through the injection molding process, greatly improving production efficiency and processing accuracy. To understand the production cost of plastics, the rice weight of plastics will be measured. Currently, the measuring devices in the field of rice weight measurement in the plastic industry mainly measure materials in the form of granular materials. The feeding speed is measured through the principle of loss weighing, and the consumption of the materials stored in the storage hopper is detected in real time. The rice weight can be calculated, and then the opening and closing of the feeding valve plate are controlled in real time according to the detection results to select whether to fill. The structure is simple and easy to use. For the convenience of weighing, the upper and lower ends of the storage hopper are generally in a suspended and exposed state, so the weighed powder is easy to escape and float around, which is easy to cause losses and pollute the surrounding environment. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a powder rice weight measurement device. When in use, the upper and lower ends of the hopper can be covered and sealed by a protective cover, an upper dust-proof cover, and a lower dust-proof cover. During the weighing process without affecting it, the escape of powder can be avoided, and it has a good sealing effect, reducing the loss of powder and environmental pollution, and thus has a good use effect, and can effectively solve the problems in the background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solution: a powder rice weight measurement device, including a column;

[0005] Column: Its lower end is provided with a bottom plate, the upper surface of the bottom plate is provided with a lower dust-proof cover, the middle part of the column is provided with a weighing unit, the middle part of the weighing unit hangs a hopper, the lower end of the hopper is provided with a diversion pipe, the diversion pipe extends into the interior of the lower dust-proof cover, the lower end of the outer arc surface of the hopper is provided with an upper dust-proof cover, the upper dust-proof cover is located above the lower dust-proof cover, the upper end of the column is provided with an upper mounting plate, the upper surface of the upper mounting plate is provided with a protective cover, the upper end of the hopper is located inside the protective cover, the middle part of the upper mounting plate is connected with a valve through a flange plate. When in use, the upper and lower ends of the hopper can be covered and sealed by a protective cover, an upper dust-proof cover, and a lower dust-proof cover. During the weighing process without affecting it, the escape of powder can be avoided, and it has a good sealing effect, reducing the loss of powder and environmental pollution, and thus has a good use effect.

[0006] Further, a controller is provided on the right side of the column. The input end of the controller is electrically connected to an external power supply, facilitating the control of electrical appliances.

[0007] Further, the valve includes a valve body, a valve plate, and a butterfly valve cylinder. The valve body is disposed at the upper end of the flange plate. A valve plate is rotatably connected to the middle of the valve body. A butterfly valve cylinder is provided at the right end of the valve body. The output shaft of the butterfly valve cylinder is fixedly connected to the valve plate, facilitating the control of powder.

[0008] Further, the weighing unit includes a mounting plate, cushion blocks, weighing sensors, and suspension seats. The mounting plate is disposed in the middle of the column. Cushion blocks are provided on both the front and rear sides of the upper surface of the mounting plate. Weighing sensors are provided on the upper surfaces of the cushion blocks. Suspension seats are provided on the upper surfaces of the weighing sensors. The output ends of the weighing sensors are electrically connected to the input end of the controller, enabling accurate weighing.

[0009] Further, symmetrically distributed lifting lugs are provided at the upper end of the outer arc surface of the hopper. The lifting lugs are all movably clamped with the vertically corresponding suspension seats, facilitating the connection of the hopper.

[0010] Further, a support arm is provided inside the diversion pipe. A diversion cone is provided at the lower end of the support arm, facilitating the dispersed flow of powder.

[0011] Further, a warning light is provided on the upper surface of the protective cover. The input end of the warning light is electrically connected to the output end of the controller to warn production personnel.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows: This powder weight measuring device has the following advantages:

[0013] During use, the upper and lower ends of the hopper can be covered and sealed with the protective cover, the upper dust cover, and the lower dust cover. During the weighing process without affecting it, the escape of powder can be avoided, achieving a good sealing effect, reducing the loss of powder and environmental pollution, and thus having a good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram of the present utility model;

[0015] Figure 2 is a schematic cross-sectional structural diagram of the hopper of the present utility model;

[0016] Figure 3 is an enlarged structural diagram of part A of the present utility model.

[0017] In the figure: 1 column, 2 valve, 21 valve body, 22 valve plate, 23 butterfly valve cylinder, 3 controller, 4 hopper, 5 weighing unit, 51 mounting plate, 52 spacer, 53 load cell, 54 suspension seat, 6 lifting lug, 7 upper dust cover, 8 lower dust cover, 9 diversion pipe, 10 support arm, 11 flow splitting cone, 12 bottom plate, 13 upper mounting plate, 14 flange plate, 15 shield, 16 warning light. Detailed implementation manner

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0019] Please refer to Figures 1-3 , this embodiment provides a technical solution: a powder rice weight measuring device, including a column 1;

[0020] Column 1: A bottom plate 12 is provided at its lower end, which is connected to the external plastic production equipment. The column 1 provides support for other components. A lower dust cover 8 is provided on the upper surface of the bottom plate 12. A weighing unit 5 is provided in the middle of the column 1. A hopper 4 is suspended in the middle of the weighing unit 5. A diversion pipe 9 is provided at the lower end of the hopper 4. The powder falls into the interior of the hopper 4, and the lower end of the external equipment seals the diversion pipe 9. The powder accumulates inside the hopper 4. The diversion pipe 9 extends into the interior of the lower dust cover 8. An upper dust cover 7 is provided at the lower end of the outer arc surface of the hopper 4. The upper dust cover 7 is located above the lower dust cover 8. The diversion pipe 9 extends into the lower dust cover 8. The upper dust cover 7 is above the lower dust cover 8, which can cover the lower discharge port and prevent the powder from escaping from below the hopper 4. An upper mounting plate 13 is provided at the upper end of the column 1. The upper mounting plate 13 provides an installation position for other components. A shield 15 is provided on the upper surface of the upper mounting plate 13. The upper end of the hopper 4 is located inside the shield 15. The shield 15 covers the upper end of the hopper 4 to prevent dust from escaping from above the hopper 4. A valve 2 is connected to the middle of the upper mounting plate 13 through a flange plate 14. The flange plate 14 facilitates the connection of other components. A controller 3 is provided on the right side of the column 1. The input end of the controller 3 is electrically connected to an external power source. A support arm 10 is provided inside the diversion pipe 9. A flow splitting cone 11 is provided at the lower end of the support arm 10. The support arm 10 provides an installation position for the flow splitting cone 11. The powder inside the hopper 4 flows out from the lower end of the diversion pipe 9. The flow splitting cone 11 disperses and guides the powder. A warning light 16 is provided on the upper surface of the shield 15. The input end of the warning light 16 is electrically connected to the output end of the controller 3. When the weight is less than the set value, the controller 3 controls the warning light 16 to work and emits light for a period of time to facilitate the timely addition of powder;

[0021] Among them: The valve 2 includes a valve body 21, a valve plate 22 and a butterfly valve cylinder 23. The valve body 21 is arranged at the upper end of the flange plate 14. The upper end of the valve body 21 is connected to an external feeding device. A valve plate 22 is rotatably connected to the middle of the valve body 21. A butterfly valve cylinder 23 is arranged at the right end of the valve body 21. The output shaft of the butterfly valve cylinder 23 is fixedly connected to the valve plate 22. The external high-pressure air source is connected to the butterfly valve cylinder 23 through a solenoid valve. The input end of the solenoid valve is electrically connected to the output end of the controller 3. During operation, the controller 3 controls the solenoid valve. The butterfly valve cylinder 23 controls the rotation of the valve plate 22. The valve plate 22 opens the passage of the valve body 21. Polyurea coatings are provided on the outer part of the valve plate 22 and the inner wall of the valve body 21, which has good corrosion resistance. The external powder passes through the middle of the valve body 21;

[0022] Among them: The weighing unit 5 includes a mounting plate 51, cushion blocks 52, load cells 53 and suspension seats 54. The mounting plate 51 is arranged in the middle of the column 1. Cushion blocks 52 are provided on both the front and rear sides of the upper surface of the mounting plate 51. Load cells 53 are provided on the upper surfaces of the cushion blocks 52. Suspension seats 54 are provided on the upper surfaces of the load cells 53. The output ends of the load cells 53 are electrically connected to the input end of the controller 3. The load cells 53 weigh the bearing weight. The cushion blocks 52 create a suspended space between the load cells 53 and the mounting plate 51, enabling the load cells 53 to make accurate measurements. The load cells 53 continuously detect the powder inside, measure the feeding speed through the loss-in-weight metering principle, and continuously detect the consumption of the material stored in the hopper 4 in real time. The specific gravity can be calculated according to the production speed of the plastic. Lifting lugs 6 are symmetrically distributed at the upper end of the outer arc surface of the hopper 4. The lifting lugs 6 are all movably clamped with the vertically corresponding suspension seats 54. The weight of the hopper 4 is transmitted to the suspension seats 54 through the lifting lugs 6.

[0023] The working principle of a powder rice weight measuring device provided by the present utility model is as follows: When in use, an external high-pressure air source is connected to the butterfly valve cylinder 23 through a solenoid valve. The input end of the solenoid valve is electrically connected to the output end of the controller 3. The plastic production equipment outside the bottom plate 12 is connected, and the upper end of the valve body 21 is connected to the external feeding equipment. During operation, the controller 3 controls the solenoid valve, and the butterfly valve cylinder 23 controls the rotation of the valve plate 22. The valve plate 22 opens the channel of the valve body 21. Polyurea coatings are provided on the outside of the valve plate 22 and the inner wall of the valve body 21, which has good corrosion resistance. The external powder passes through the middle of the valve body 21, and the powder falls into the hopper 4. The lower end of the diversion pipe 9 is blocked by an external device, and the powder accumulates inside the hopper 4. The weight of the hopper 4 is transmitted to the suspension seat 54 through the lifting lug 6, and the weighing sensor 53 weighs the bearing weight. The cushion block 52 creates a suspended space between the weighing sensor 53 and the mounting plate 51, enabling the weighing sensor 53 to perform accurate measurements. During processing, when the feeding stops above, the valve plate 22 closes, and the processing equipment below starts to feed. The powder inside the hopper 4 flows out from the lower end of the diversion pipe 9, and the diversion cone 11 disperses and guides the powder. The weighing sensor 53 continuously detects the powder inside, measures the feeding speed through the principle of loss-in-weight metering, and continuously detects the consumption of the material stored in the hopper 4 in real time. The rice weight can be calculated according to the production speed of the plastic. During the feeding process, the protective cover 15 covers the upper end of the hopper 4 to prevent dust from escaping from above the hopper 4. At the same time, the diversion pipe 9 extends to the lower dust-proof cover 8, and the upper dust-proof cover 7 is above the lower dust-proof cover 8, which can cover the lower discharge port to prevent the powder from escaping from below the hopper 4.

[0024] It should be noted that the controller 3, the weighing sensor 53, and the warning light 16 disclosed in the above embodiments can be freely configured according to the actual application scenarios. The warning light 16 can be a warning light with the model JD50A-L02R024. The core chip of the controller 3 can be a single-chip microcomputer with the model STM32H743. The weighing sensor 53 can be a weighing sensor with the model SP4M. The controller 3 controls the weighing sensor 53 and the warning light 16 to work using common methods in the prior art.

[0025] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model. Any equivalent structural or equivalent process transformation made by using the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present utility model.

Claims

1. A powder rice weight measuring device, characterized in that: It includes a column (1); Column (1): A bottom plate (12) is provided at its lower end. A lower dust cover (8) is provided on the upper surface of the bottom plate (12). A weighing unit (5) is provided in the middle of the column (1). A hopper (4) is suspended in the middle of the weighing unit (5). A diversion pipe (9) is provided at the lower end of the hopper (4). The diversion pipe (9) extends into the interior of the lower dust cover (8). An upper dust cover (7) is provided at the lower end of the outer arc surface of the hopper (4). The upper dust cover (7) is located above the lower dust cover (8). An upper mounting plate (13) is provided at the upper end of the column (1). A protective cover (15) is provided on the upper surface of the upper mounting plate (13). The upper end of the hopper (4) is located inside the protective cover (15). A valve (2) is connected to the middle of the upper mounting plate (13) through a flange plate (14).

2. The powder rice weight measuring device according to claim 1, wherein: A controller (3) is provided on the right side of the column (1). The input end of the controller (3) is electrically connected to an external power supply.

3. The powder weight measuring device according to claim 1, characterized in that: The valve (2) includes a valve body (21), a valve plate (22), and a butterfly valve cylinder (23). The valve body (21) is provided at the upper end of the flange plate (14). A valve plate (22) is rotatably connected to the middle of the valve body (21). A butterfly valve cylinder (23) is provided at the right end of the valve body (21). The output shaft of the butterfly valve cylinder (23) is fixedly connected to the valve plate (22).

4. The powder weight measuring device according to claim 2, characterized in that: The weighing unit (5) includes a mounting plate (51), cushion blocks (52), weighing sensors (53), and a suspension seat (54). The mounting plate (51) is provided in the middle of the column (1). Cushion blocks (52) are provided on both the front and rear sides of the upper surface of the mounting plate (51). Weighing sensors (53) are provided on the upper surfaces of the cushion blocks (52). Suspension seats (54) are provided on the upper surfaces of the weighing sensors (53). The output ends of the weighing sensors (53) are electrically connected to the input end of the controller (3).

5. The powder weight measuring device according to claim 4, characterized in that: Symmetrically distributed lifting lugs (6) are provided at the upper end of the outer arc surface of the hopper (4). The lifting lugs (6) are all movably clamped with the vertically corresponding suspension seats (54).

6. The powder weight measuring device according to claim 1, wherein: A support arm (10) is provided inside the diversion pipe (9). A diversion cone (11) is provided at the lower end of the support arm (10).

7. The powder weight measuring device according to claim 2, wherein: A warning light (16) is provided on the upper surface of the protective cover (15). The input end of the warning light (16) is electrically connected to the output end of the controller (3).

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