A vacuum conveying device integrating weighing and conveying

By designing a vacuum conveying device that integrates weighing, discharge and vacuum functions, the problem of difficulty in quantitative control of light materials in vacuum conveying is solved, and more accurate material quantitative control and stability of vacuum conveying is achieved.

CN222714587UActive Publication Date: 2025-04-04NANJING PUFEISEN ELECTRIC AUTOMATION TECH CO LTD
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Patent Information

Application Number
CN202421538129.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-01
Publication Date
2025-04-04
Estimated Expiration
2034-07-01

AI Technical Summary

Technical Problem

When existing vacuum conveying devices convey lightweight, easy to float or easily agglomerate materials, it is difficult to achieve accurate quantitative control, and problems of stacking, blockage or stratification are prone to occur, affecting the accuracy of measurement.

Method used

A vacuum conveying device with integrated weighing and conveying is designed, integrating weighing components, discharge components and vacuum components. Through the coordination of elastic sealing components and weighing components, real-time detection and control of material weight is achieved to avoid stacking and blockage.

Benefits of technology

It effectively avoids stacking, blockage or stratification problems caused by different density, fluidity and moisture content of different materials, improves the accuracy of material quantitative control, and is especially suitable for lightweight, easy to float or easy to agglomerate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a vacuum conveying device with integrated weighing and conveying, comprising a vacuum conveying tank, a weighing component, a discharge component, a vacuum component and a first support frame, wherein the weighing component is fixedly mounted on the vacuum conveying tank, the discharge component is fixedly mounted on the bottom of the vacuum conveying tank, the vacuum component is fixedly mounted on the inner top of the vacuum conveying tank, and the first support frame is fixedly mounted on the outside of the vacuum conveying tank; the weighing component comprises an elastic sealing component and a weighing component, and the weighing component is fixedly mounted on the vacuum conveying tank. The utility model has a better function of quantitatively controlling materials, avoiding the accumulation, blockage or stratification caused by differences in density, fluidity, water content and other factors of different materials during the conveying process, thereby affecting the accuracy of measurement, especially for lightweight, easy-floating or easy-caking materials, quantitative control is more difficult.
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Description

Technical Field

[0001] The utility model relates to the technical field of vacuum conveying, in particular to a vacuum conveying device integrating weighing and conveying. Background Art

[0002] The vacuum conveying device with integrated weighing and conveying is an automated equipment that integrates material weighing and vacuum conveying functions.

[0003] Existing vacuum conveying devices are used to vacuum convey materials. Differences in density, fluidity, water content and other factors of different materials may lead to accumulation, blockage or stratification during the conveying process, thereby affecting the accuracy of measurement. In particular, quantitative control is more difficult for lightweight, easy-to-float or easy-to-agglomerate materials.

[0004] Therefore, how to provide a vacuum conveying device that integrates weighing and conveying is a problem that technical personnel in this field urgently need to solve. Utility Model Content

[0005] One purpose of the utility model is to provide a vacuum conveying device with integrated weighing and conveying. The utility model has the function of better quantitative control of materials, avoiding the accumulation, blockage or stratification caused by differences in density, fluidity, water content and other factors of different materials during the conveying process, thereby affecting the accuracy of measurement, especially for lightweight, easy-to-float or easy-to-agglomerate materials, quantitative control is more difficult.

[0006] According to an embodiment of the utility model, a vacuum conveying device integrating weighing and conveying comprises a vacuum conveying tank, a weighing component, a discharge component, a vacuum component and a first support frame, wherein the weighing component is fixedly mounted on the vacuum conveying tank, the discharge component is fixedly mounted on the bottom of the vacuum conveying tank, the vacuum component is fixedly mounted on the inner top of the vacuum conveying tank, and the first support frame is fixedly mounted on the outside of the vacuum conveying tank;

[0007] The weighing component comprises an elastic sealing component and a weighing component. The weighing component is fixedly mounted on the vacuum conveying tank, and both ends of the weighing component are fixedly mounted on the vacuum conveying tank.

[0008] Furthermore, a vacuum baffle is fixedly provided on the inner top of the vacuum conveying tank, and a discharge cylinder is fixedly provided on the bottom of the vacuum conveying tank.

[0009] Furthermore, the elastic sealing assembly includes a first clamping ring, a rubber layer, a second clamping ring and an elastic column, wherein the top of the first clamping ring is fixedly mounted on the bottom of the upper half of the vacuum conveying tank, the top of the rubber layer is fixedly mounted on the bottom of the first clamping ring, the top of the second clamping ring is fixedly mounted on the bottom of the rubber layer, the bottom of the second clamping ring is fixedly mounted on the top of the lower half of the vacuum conveying tank, the top of the elastic column is fixedly mounted on the first clamping ring, and the bottom of the elastic column is fixedly mounted on the second clamping ring.

[0010] Further, the weighing assembly includes an upper spring seat, a guide rod, a limit spring and a lower spring seat, wherein the upper spring seat is fixedly mounted on the outer wall of the upper half of the vacuum conveying tank, the top of the guide rod is fixedly mounted on the bottom of the upper spring seat, the bottom of the guide rod extends out of the lower spring seat, the top of the limit spring is fixedly mounted on the bottom of the upper spring seat, the bottom of the limit spring is fixedly mounted on the top of the lower spring seat, and the lower spring seat is fixedly mounted on the outer wall of the lower half of the vacuum conveying tank.

[0011] Furthermore, the weighing assembly also includes a base plate, a lower pressure plate, a strain gauge and a weighing spring, wherein the top of the base plate is fixedly mounted on the bottom of the guide rod, the lower pressure plate is fixedly mounted on the guide rod, the strain gauge is fixedly mounted between the base plate and the lower pressure plate, the top of the weighing spring is fixedly mounted on the bottom of the lower spring seat, and the bottom of the weighing spring is fixedly mounted on the top of the lower pressure plate.

[0012] Furthermore, the discharge assembly includes a discharge motor, a rotating rod and a discharge plate, wherein the motor seat of the discharge motor is fixedly mounted on the discharge barrel, one end of the rotating rod is fixedly mounted on the rotating shaft of the discharge motor, the other end of the rotating rod extends into the discharge barrel, and the rotating rod is rotatably mounted on the discharge barrel, and the discharge plate is fixedly mounted on the rotating rod.

[0013] Furthermore, the vacuum assembly includes a vacuum pump, a vacuum suction pipe and a vacuum exhaust pipe, wherein the base of the vacuum pump is fixedly installed on the top of the vacuum partition, the bottom end of the vacuum suction pipe extends out of the vacuum partition, and the end of the vacuum exhaust pipe away from the vacuum pump extends out of the vacuum delivery tank.

[0014] Furthermore, it also includes a vacuum conveying pipe, a conical accumulator and a second support frame, wherein one end of the vacuum conveying pipe extends into the vacuum conveying tank, the other end of the vacuum conveying pipe is fixedly installed at the bottom of the conical accumulator, and the conical accumulator is fixedly installed on the top of the second support frame.

[0015] The beneficial effects of the utility model are:

[0016] The utility model has the function of better quantitative control of materials, avoiding the differences in density, fluidity, water content and other factors of different materials that may cause accumulation, blockage or stratification during the transportation process, thereby affecting the accuracy of measurement, especially for lightweight, easy-to-float or easy-to-agglomerate materials, quantitative control is more difficult.

[0017] The utility model has a first clamping ring, a rubber layer, a second clamping ring and an elastic column used for sealing the connection between the upper half and the lower half of the vacuum conveying tank to maintain the sealing of the vacuum conveying tank; the limit spring is stretched, the lower spring seat moves downward along the guide rod, the lower spring seat presses down the weighing spring, the weighing spring is compressed, and the weighing spring drives the lower pressing plate to press down the strain plate, and the weight of the lower half of the vacuum conveying pipe and the material is detected through the change of the strain plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 This is a schematic diagram of the overall structure of a vacuum conveying device with integrated weighing and conveying proposed by the utility model;

[0020] Figure 2 A cross-sectional view of a vacuum conveying tank of a vacuum conveying device with integrated weighing and conveying proposed by the utility model;

[0021] Figure 3 The utility model proposes a vacuum conveying device with integrated weighing and conveying Figure 2 A magnified image of point A;

[0022] Figure 4 This is a partial enlarged plan view of a discharge plate of a vacuum conveying device with integrated weighing and conveying proposed by the utility model.

[0023] In the figure: 1. Vacuum conveying tank; 1.1. Vacuum partition; 1.2. Discharging barrel; 2. Weighing component; 3. Discharging assembly; 3.1. Discharging motor; 3.2. Rotating rod; 3.3. Discharging plate; 4. Vacuum assembly; 4.1. Vacuum pump; 4.2. Vacuum suction pipe; 4.3. Vacuum discharge pipe; 5. First support frame; 6. Elastic sealing assembly; 6.1. First clamping ring; 6.2. Rubber layer; 6.3. Second clamping ring; 6.4. Elastic column; 7. Weighing assembly; 7.1. Upper spring seat; 7.2. Guide rod; 7.3. Limit spring; 7.4. Lower spring seat; 7.5. Base plate; 7.6. Lower pressure plate; 7.7. Strain gauge; 7.8. Weighing spring; 8. Vacuum conveying pipe; 9. Conical accumulator; 10. Second support frame. DETAILED DESCRIPTION

[0024] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0025] Please refer to Figures 1 to 4 The utility model provides a vacuum conveying device with integrated weighing and conveying, comprising a vacuum conveying tank 1, a weighing component 2, a discharge component 3, a vacuum component 4 and a first support frame 5, wherein the weighing component 2 is fixedly mounted on the vacuum conveying tank 1, the weighing component 2 is used to detect the weight inside the vacuum conveying tank 1, the discharge component 3 is fixedly mounted on the bottom of the vacuum conveying tank 1, the discharge component 3 closes the pipe mouth of the discharge cylinder 1.2 while discharging the material, the vacuum component 4 is fixedly mounted on the inner top of the vacuum conveying tank 1, the vacuum component 4 is used for vacuum conveying, the first support frame 5 is fixedly mounted on the outside of the vacuum conveying tank 1, and also comprises a vacuum conveying pipe 8, a conical accumulator 9 and a second support frame 10, wherein one end of the vacuum conveying pipe 8 extends into the vacuum conveying tank 1, the vacuum conveying pipe 8 is a conveying pipe for vacuum conveying materials, the other end of the vacuum conveying pipe 8 is fixedly mounted on the bottom of the conical accumulator 9, the conical accumulator 9 is used to store materials, and the conical accumulator 9 is fixedly mounted on the top of the second support frame 10.

[0026] The weighing component 2 includes an elastic sealing component 6 and a weighing component 7. The weighing component 2 is fixedly installed on the vacuum conveying tank 1. Both ends of the weighing component 7 are fixedly installed on the vacuum conveying tank 1. A vacuum partition 1.1 is fixedly installed on the inner top of the vacuum conveying tank 1, and a discharge barrel 1.2 is fixedly installed on the bottom of the vacuum conveying tank 1.

[0027] Specifically, the elastic sealing assembly 6 includes a first clamping ring 6.1, a rubber layer 6.2, a second clamping ring 6.3 and an elastic column 6.4, wherein the top of the first clamping ring 6.1 is fixedly mounted on the bottom of the upper half of the vacuum conveying tank 1, the top of the rubber layer 6.2 is fixedly mounted on the bottom of the first clamping ring 6.1, the top of the second clamping ring 6.3 is fixedly mounted on the bottom of the rubber layer 6.2, the bottom of the second clamping ring 6.3 is fixedly mounted on the top of the lower half of the vacuum conveying tank 1, the top of the elastic column 6.4 is fixedly mounted on the first clamping ring 6.1, and the bottom of the elastic column 6.4 is fixedly mounted on the second clamping ring 6.3. The first clamping ring 6.1, the rubber layer 6.2, the second clamping ring 6.3 and the elastic column 6.4 are used to seal the connection between the upper half and the lower half of the vacuum conveying tank 1 to maintain the sealing of the vacuum conveying tank 1.

[0028] More specifically, the weighing assembly 7 includes an upper spring seat 7.1, a guide rod 7.2, a limit spring 7.3 and a lower spring seat 7.4, wherein the upper spring seat 7.1 is fixedly mounted on the outer wall of the upper half of the vacuum conveying tank 1, the top of the guide rod 7.2 is fixedly mounted on the bottom of the upper spring seat 7.1, the bottom of the guide rod 7.2 extends out of the lower spring seat 7.4, the top of the limit spring 7.3 is fixedly mounted on the bottom of the upper spring seat 7.1, the bottom of the limit spring 7.3 is fixedly mounted on the top of the lower spring seat 7.4, the limit spring 7.3 reduces the weight of the lower half of the vacuum 1 and applies it to the rubber layer, and the lower spring seat 7.4 is fixedly mounted on the outer wall of the lower half of the vacuum conveying tank 1.

[0029] The weighing assembly 7 also includes a base plate 7.5, a lower pressing plate 7.6, a strain gauge 7.7 and a weighing spring 7.8, wherein the top of the base plate 7.5 is fixedly mounted on the bottom of the guide rod 7.2, the lower pressing plate 7.6 is fixedly mounted on the guide rod 7.2, the strain gauge 7.7 is fixedly mounted between the base plate 7.5 and the lower pressing plate 7.6, the strain gauge 7.7 detects the weight of the lower half of the vacuum conveying tank 1 and the weight change of the added material, the top of the weighing spring 7.8 is fixedly mounted on the bottom of the lower spring seat 7.4, and the bottom of the weighing spring 7.8 is fixedly mounted on the top of the lower pressing plate 7.6.

[0030] More specifically, the discharge assembly 3 includes a discharge motor 3.1, a rotating rod 3.2 and a discharge plate 3.3, wherein the motor seat of the discharge motor 3.1 is fixedly mounted on the discharge barrel 1.2, one end of the rotating rod 3.2 is fixedly mounted on the rotating shaft of the discharge motor 3.1, the other end of the rotating rod 3.2 extends into the discharge barrel 1.2, and the rotating rod 3.2 is rotatably mounted on the discharge barrel 1.2, the discharge plate 3.3 is fixedly mounted on the rotating rod 3.2, the discharge plate 3.3 is used for lowering materials and sealing the pipe mouth of the discharge barrel 1.2, the vacuum assembly 4 includes a vacuum pump 4.1, a vacuum suction pipe 4.2 and a vacuum exhaust pipe 4.3, wherein the base of the vacuum pump 4.1 is fixedly mounted on the top of the vacuum partition 1.1, the vacuum pump 4.1 is used to create a vacuum, the bottom end of the vacuum suction pipe 4.2 extends out of the vacuum partition 1.1, and the end of the vacuum exhaust pipe 4.3 away from the vacuum pump 4.1 extends out of the vacuum conveying tank 1.

[0031] Furthermore, the vacuum pump 4.1 is started, and the air inside the vacuum conveying tank 1 is evacuated by the vacuum suction pipe 4.2. The vacuum conveying tank 1 is evacuated to form a negative pressure. The vacuum conveying tank 1 is connected to the vacuum conveying pipe 8. The material in the material conical accumulator 9 enters the vacuum conveying pipe 8 through the negative pressure of the vacuum conveying pipe 8, and the material in the vacuum conveying pipe 8 enters the vacuum conveying tank 1.

[0032] The weight of the vacuum conveying tube 8 plus the weight of the material entering the vacuum conveying tube 8 causes the lower half of the vacuum conveying tube 8 to move downward, and the first clamping ring 6.1, the rubber layer 6.2, the second clamping ring 6.3 and the elastic column 6.4 are stretched. The lower half of the vacuum conveying tube 8 moves downward, driving the lower spring seat 7.4 to move downward, and the limit spring 7.3 is stretched.

[0033] The lower spring seat 7.4 moves downward along the guide rod 7.2, and the lower spring seat 7.4 presses down the weighing spring 7.8. The weighing spring 7.8 is compressed, and the weighing spring 7.8 drives the lower pressing plate 7.6 to press down the strain plate 7.7. The weight of the lower part of the vacuum conveying pipe 8 and the material is detected through the change of the strain plate 7.7.

[0034] After detecting that the material in the vacuum conveying pipe 8 meets the standard, the discharge motor 3.1 is started, and the rotation of the discharge motor 3.1 drives the discharge plate 3.3 to rotate. The discharge plate 3.3 no longer closes the mouth of the discharge barrel 1.2, and the material goes out from the mouth of the discharge barrel 1.2 for unloading.

[0035] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A vacuum conveying device integrating weighing and conveying, characterized in that: The invention comprises a vacuum conveying tank (1), a weighing component (2), a discharge assembly (3), a vacuum assembly (4) and a first support frame (5), wherein the weighing component (2) is fixedly mounted on the vacuum conveying tank (1), the discharge assembly (3) is fixedly mounted on the bottom of the vacuum conveying tank (1), the vacuum assembly (4) is fixedly mounted on the inner top of the vacuum conveying tank (1), and the first support frame (5) is fixedly mounted on the outside of the vacuum conveying tank (1); The weighing component (2) comprises an elastic sealing component (6) and a weighing component (7); the weighing component (2) is fixedly mounted on the vacuum conveying tank (1); and both ends of the weighing component (7) are fixedly mounted on the vacuum conveying tank (1).

2. The vacuum conveying device integrating weighing and conveying according to claim 1, characterized in that: A vacuum baffle (1.1) is fixedly arranged on the inner top of the vacuum conveying tank (1), and a discharge cylinder (1.2) is fixedly arranged on the bottom of the vacuum conveying tank (1).

3. The vacuum conveying device integrating weighing and conveying according to claim 1, characterized in that: The elastic sealing component (6) comprises a first clamping ring (6.1), a rubber layer (6.2), a second clamping ring (6.3) and an elastic column (6.4), wherein the top of the first clamping ring (6.1) is fixedly mounted on the bottom of the upper half of the vacuum conveying tank (1), the top of the rubber layer (6.2) is fixedly mounted on the bottom of the first clamping ring (6.1), the top of the second clamping ring (6.3) is fixedly mounted on the bottom of the rubber layer (6.2), the bottom of the second clamping ring (6.3) is fixedly mounted on the top of the lower half of the vacuum conveying tank (1), the top of the elastic column (6.4) is fixedly mounted on the first clamping ring (6.1), and the bottom of the elastic column (6.4) is fixedly mounted on the second clamping ring (6.3).

4. The vacuum conveying device integrating weighing and conveying according to claim 1, characterized in that: The weighing assembly (7) comprises an upper spring seat (7.1), a guide rod (7.2), a limit spring (7.3) and a lower spring seat (7.4), wherein the upper spring seat (7.1) is fixedly mounted on the outer wall of the upper half of the vacuum conveying tank (1), the top of the guide rod (7.2) is fixedly mounted on the bottom of the upper spring seat (7.1), the bottom of the guide rod (7.2) extends out of the lower spring seat (7.4), the top of the limit spring (7.3) is fixedly mounted on the bottom of the upper spring seat (7.1), the bottom of the limit spring (7.3) is fixedly mounted on the top of the lower spring seat (7.4), and the lower spring seat (7.4) is fixedly mounted on the outer wall of the lower half of the vacuum conveying tank (1).

5. The vacuum conveying device integrating weighing and conveying according to claim 4, characterized in that: The weighing assembly (7) further comprises a base plate (7.5), a lower pressing plate (7.6), a strain gauge (7.7) and a weighing spring (7.8), wherein the top of the base plate (7.5) is fixedly mounted on the bottom of the guide rod (7.2), the lower pressing plate (7.6) is fixedly mounted on the guide rod (7.2), the strain gauge (7.7) is fixedly mounted between the base plate (7.5) and the lower pressing plate (7.6), the top of the weighing spring (7.8) is fixedly mounted on the bottom of the lower spring seat (7.4), and the bottom of the weighing spring (7.8) is fixedly mounted on the top of the lower pressing plate (7.6).

6. The vacuum conveying device integrating weighing and conveying according to claim 1, characterized in that: The material discharge assembly (3) comprises a material discharge motor (3.1), a rotating rod (3.2) and a material discharge plate (3.3), wherein the motor seat of the material discharge motor (3.1) is fixedly mounted on the material discharge barrel (1.2), one end of the rotating rod (3.2) is fixedly mounted on the rotating shaft of the material discharge motor (3.1), the other end of the rotating rod (3.2) extends into the material discharge barrel (1.2), and the rotating rod (3.2) is rotatably mounted on the material discharge barrel (1.2), and the material discharge plate (3.3) is fixedly mounted on the rotating rod (3.2).

7. The vacuum conveying device integrating weighing and conveying according to claim 1, characterized in that: The vacuum assembly (4) comprises a vacuum pump (4.1), a vacuum suction pipe (4.2) and a vacuum exhaust pipe (4.3), wherein the base of the vacuum pump (4.1) is fixedly mounted on the top of the vacuum partition (1.1), the bottom end of the vacuum suction pipe (4.2) extends out of the vacuum partition (1.1), and the end of the vacuum exhaust pipe (4.3) away from the vacuum pump (4.1) extends out of the vacuum transport tank (1).

8. The vacuum conveying device integrating weighing and conveying according to claim 1, characterized in that: It also includes a vacuum conveying pipe (8), a conical accumulator (9) and a second support frame (10), wherein one end of the vacuum conveying pipe (8) extends into the vacuum conveying tank (1), the other end of the vacuum conveying pipe (8) is fixedly installed at the bottom of the conical accumulator (9), and the conical accumulator (9) is fixedly installed at the top of the second support frame (10).