A smart belt scale for extreme environments

Abstract

This invention discloses an intelligent belt scale for extreme environments, comprising a support frame with several idlers mounted on it. A conveyor belt is mounted on each idler, and the conveyor belt is divided into an upper conveyor belt and a lower conveyor belt with the idlers as the central axis. Each idler includes a weighing idler. A weighing sensor is fixedly connected to the support frame. The scale also includes a scraping assembly disposed on the upper conveyor belt and in contact with it. The scraping assembly has a flow groove inside and is located in front of the weighing idler. A support leg is slidably connected to a drive housing, and the scraping assembly is fixedly connected to the support leg. Compared with existing technologies, this intelligent belt scale for extreme environments can remove material adhering to the conveyor belt to the greatest extent possible, minimizing the impact on the scale's accuracy. It has a simple structure, is easy to operate, and is suitable for use in humid environments.

Description

Technical Field

[0001] This invention belongs to the field of belt scale technology, and in particular relates to an intelligent belt scale for extreme environments. Background Technology

[0002] A belt scale is an automatic weighing instrument that continuously weighs bulk materials on a conveyor belt without requiring subdivision of mass or interruption of the conveyor belt's movement.

[0003] When belt scales operate in extreme environments, such as humid environments, chemical powders or some granular materials on the conveyor belt can easily absorb moisture from the air, thereby increasing the viscosity of the materials and causing them to stick to the conveyor belt.

[0004] Material adhering to the conveyor belt can cause significant changes in the contact state between the weighing idler and the belt, resulting in uneven force on the weighing idler and affecting the accuracy of weighing. At the same time, the material adhering to the belt will be weighed repeatedly as the belt rotates, resulting in a relatively large weighing error. Summary of the Invention

[0005] The purpose of this invention is to provide an intelligent belt scale for extreme environments, which can remove materials adhering to the conveyor belt to the greatest extent, does not easily affect the accuracy of the belt scale, has a simple structure, is easy to operate, and is suitable for use in humid environments.

[0006] To achieve the above objectives, the present invention provides an intelligent belt scale for extreme environments, comprising a support frame, a plurality of idlers mounted on the support frame, a conveyor belt mounted on the idlers, the conveyor belt being divided into an upper conveyor belt and a lower conveyor belt with the idlers as the central axis, the idlers including weighing idlers, a weighing sensor fixedly connected to the support frame, and further comprising:

[0007] A scraping assembly is disposed on an upper conveyor belt and contacts the upper conveyor belt. A flow groove is provided inside the scraping assembly.

[0008] The scraping assembly is located in front of the weighing idler roller;

[0009] A drive box, in which a support leg is slidably connected, the scraping component is fixedly connected to the support leg, a motor is fixedly connected to the drive box, a gear is provided on the support leg, and a gear that meshes with the gear on the support leg is provided at the output end of the motor;

[0010] A scraper plate, which contacts the lower conveyor belt, and a support assembly is provided below the scraper plate;

[0011] The intelligent monitoring box is located behind the scraping plate, and is equipped with several cameras and cleaning components.

[0012] A drying oven, which is fixedly connected to a support, is provided with a desiccant inside.

[0013] In one or more embodiments, the flow channel is provided with a plurality of dividing plates, and the scraping component has a buffer section at one end near the upper conveyor belt.

[0014] In one or more embodiments, a laser displacement sensor is fixedly connected to the support leg.

[0015] In one or more embodiments, the support assembly includes a support plate fixedly connected to a bracket, and a support sleeve is provided between the support plate and the scraping plate.

[0016] In one or more embodiments, the support sleeve includes a first support sleeve and a second support sleeve, wherein the first support sleeve has a groove that matches the second support sleeve, and a spring is fixedly connected between the second support sleeve and the bottom wall of the groove.

[0017] In one or more embodiments, the intelligent monitoring box is equipped with an intelligent transmission module and a battery.

[0018] In one or more embodiments, a threaded rod and a smooth rod are fixedly connected to the bracket, and the cleaning assembly is provided with threaded holes and through holes that match the threaded rod and the smooth rod, respectively.

[0019] In one or more embodiments, the cleaning assembly includes a nozzle, the nozzle contains a solenoid valve, and wiping blocks are arranged around the nozzle.

[0020] In one or more embodiments, the height of the nozzle is lower than the height of the wiping block.

[0021] In one or more embodiments, a water collection tank is provided below the drying chamber, and a delivery pipe is connected between the water collection tank and the nozzle.

[0022] Compared with the prior art, the intelligent belt scale for extreme environments according to the present invention can remove materials adhering to the conveyor belt to the greatest extent, which is not likely to affect the accuracy of the belt scale. It has a simple structure, is easy to operate, and is suitable for use in humid environments. Attached Figure Description

[0023] Figure 1 This is a structural schematic diagram according to an embodiment of the present invention.

[0024] Figure 2 yes Figure 1 A schematic diagram of the structure at point A in the middle.

[0025] Figure 3 This is a cross-section according to an embodiment of the present invention. Figure 1 .

[0026] Figure 4 This is a schematic diagram of a conveyor belt structure according to an embodiment of the present invention.

[0027] Figure 5 This is a cross-section according to an embodiment of the present invention. Figure 2 .

[0028] Figure 6 yes Figure 5 A schematic diagram of the structure at point B.

[0029] Figure 7 yes Figure 5 A schematic diagram of the structure at point C.

[0030] Figure 8 This is a schematic diagram of the structure of a cleaning component according to an embodiment of the present invention.

[0031] Figure 9 This is a schematic diagram of the structure of a drying oven according to an embodiment of the present invention.

[0032] Explanation of key figure labels:

[0033] 11. Conveyor belt; 12. Support frame; 13. Weighing idler; 14. Weighing sensor; 21. Support leg; 22. Scraping assembly; 221. Dividing plate; 222. Buffer section; 223. Flow channel; 224. Power cord; 23. Motor; 24. Drive box; 25. Laser displacement sensor; 26. Support plate; 27. Scraping plate; 261. First support sleeve; 262. Second support sleeve; 263. Slide groove; 264. Spring; 28. Intelligent monitoring box; 281. Intelligent transmission module; 282. Battery; 29. ​​Camera; 31. Drying oven; 311. Conveying pipe; 312. Filter screen; 313. Sealing plate; 314. Fixing frame; 315. Fan; 316. Water pump; 32. Cleaning assembly; 321. Threaded rod; 322. Smooth rod; 323. Drive motor; 33. Nozzle; 34. Wiping block. Detailed Implementation

[0034] The specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings, but it should be understood that the scope of protection of the present invention is not limited to the specific embodiments.

[0035] Unless otherwise expressly stated, throughout the specification and claims, the term "comprising" or its variations such as "including" or "comprises" shall be understood to include the stated elements or components without excluding other elements or other components.

[0036] like Figures 1 to 9 As shown, an intelligent belt scale for extreme environments according to an embodiment of the present invention includes a support 12, a plurality of idlers are provided on the support 12, a conveyor belt 11 is provided on the idlers, the conveyor belt 11 is divided into an upper conveyor belt 11 and a lower conveyor belt 11 with the idlers as the central axis, the idlers include weighing idlers 13, and a weighing sensor 14 is fixedly connected to the support 12.

[0037] Specifically, when the conveyor belt 11 is conveying material, the weighing roller 13 detects the weight of the material on the conveyor belt 11 and acts on the weighing sensor 14 through a lever, generating a voltage signal proportional to the belt load, so as to obtain the total amount of material continuously passing through the conveyor belt 11.

[0038] The scraping assembly 22 is mounted on the upper conveyor belt 11 and contacts the conveyor belt 11. A flow channel 223 is provided inside the scraping assembly 22. Located in front of the weighing idler roller 13, the scraping assembly 22 removes material adhering to the conveyor belt 11 when the conveyor belt 11 is transporting material, preventing uneven force on the weighing idler roller 13 caused by the material adhering to the conveyor belt 11. The material can pass through the flow channel 223 and then through the scraping assembly 22, preventing the scraping assembly 22 from creating resistance to the material; the material is blocked in front of the scraping assembly 22.

[0039] The flow channel 223 is equipped with several dividing plates 221, and the scraping assembly 22 has a buffer section 222 at one end near the conveyor belt 11. The buffer section 222 can further scrape off the material adhering to the conveyor belt 11. The scraped material enters the flow channel 223 along the buffer section 222 and is divided by the dividing plates 221. After absorbing moisture from the air, the material will form lumps, which can be recut into uniformly sized pieces by the dividing plates 221.

[0040] Specifically, the scraping assembly 22 is equipped with a heating wire, to which a power cord 224 is connected. A power supply device is connected to the power cord 224, providing power to the heating wire and thus heating the scraping assembly 22. While scraping away material adhering to the conveyor belt 11, the scraping assembly 22 also heats the material passing through it, preventing it from sticking to the conveyor belt 11 even if it absorbs moisture from the air within a short period.

[0041] A temperature sensing device and a humidity sensing device are also arranged in the scraping component 22. Through the humidity sensing device, the humidity of the material passing through the scraping component 22 can be monitored, and the temperature sensing device can monitor the temperature of the scraping component 22. The humidity data and temperature data are transmitted to the data terminal, and the current passing through the heating wire can be controlled through the data terminal, thereby controlling the temperature of the heating wire. That is, the temperature of the heating wire can be adjusted according to the humidity of the material, achieving the purpose of saving resources.

[0042] A support leg 21 is slidably connected in the drive box 24. The scraping component 22 is fixedly connected to the support leg 21, and a motor 23 is fixedly connected to the drive box 24. Gears are provided on the support leg 21, and gears meshing with the gears on the support leg 21 are provided at the output end of the motor 23.

[0043] The motor 23 can drive the support leg 21 to move up and down, and thus the height of the scraping component 22 can be adjusted, making the scraping component 22 fit more closely with the conveyor belt 11 and increasing the scraping effect on the material adhered to the conveyor belt 11.

[0044] A fixing block is fixedly connected to the scraping component 22. A fixing groove matching the fixing block is provided on the support leg 21, and both the fixing block and the fixing groove are T-shaped. A fixing bolt is threadedly connected between the fixing block and the support leg 21, which is convenient for installing and disassembling the scraping component 22, and the scraping component 22 can be cleaned or repaired during shutdown.

[0045] The drive box 24 is fixed on the bracket 12 through a fixing plate and bolts, and the position of the drive box 24 can be adjusted, and thus the position of the scraping component 22 can be adjusted. The distance between the scraping component 22 and the weighing idler 13 should be 20 - 30 cm. Within this distance, when the scraping component 22 scrapes the material adhered to the conveyor belt 11, the material will not reabsorb the moisture in the air and re-adhere to the conveyor belt 11 within this distance, and at the same time, it will not affect the weighing of the material by the weighing idler 13.

[0046] See Figure 1 、 Figure 3 As shown, a laser displacement sensor 25 is fixedly connected to the support leg 21, and the model of the laser displacement sensor 25 is: HC16 - 150 - 485A. The position of the upper conveyor belt 11 can be positioned by the laser emitted by the laser displacement sensor 25.

[0047] When the weight of the material conveyed on the conveyor belt 11 changes, the tightness of the conveyor belt 11 also changes accordingly, that is, the position of the conveyor belt 11 also changes. A transmission module is provided in the drive box 24. When the laser displacement sensor 25 detects a change in the height of the conveyor belt 11, it transmits a signal to the motor 23, and the motor 23 starts to adjust the position of the scraping component 22 so that the scraping component 22 always contacts the conveyor belt 11. This prevents a gap between the scraping component 22 and the conveyor belt 11, resulting in the inability to scrape off the material stuck to the conveyor belt 11.

[0048] The scraping plate 27 contacts the lower conveyor belt 11, and a support component is provided below the scraping plate 27. Specifically, when the material passes through the weighing idler 13, if the material stays on the conveyor belt 11 for a long time, then the material has sufficient time to absorb the moisture in the air and re-stick to the conveyor belt 11. As the conveyor belt 11 rotates, the weighing will be repeated.

[0049] When the material stuck to the conveyor belt 11 rotates to the scraping plate 27 with the rotation of the conveyor belt 11, the material stuck to the conveyor belt 11 can be scraped off by the scraping plate 27. A 41 is provided below the scraping plate 27, and the material scraped off can be collected through the 41.

[0050] See Figure 5 、 Figure 6 As shown, the support component includes a support plate 26. The support plate 26 is fixedly connected to the bracket 12. A support sleeve is provided between the support plate 26 and the scraping plate 27. The support sleeve includes a first support sleeve 261 and a second support sleeve 262. A chute 263 matching the second support sleeve 262 is provided in the first support sleeve 261, and a spring 264 is fixedly connected between the second support sleeve 262 and the bottom wall of the chute 263.

[0051] Specifically, the spring 264 can make the scraping plate 27 always abut against the conveyor belt 11. When the weight of the material on the conveyor belt 11 changes, the tightness of the conveyor belt 11 will change accordingly, that is, the height of the conveyor belt 11 will rise or fall. When the height of the support leg 21 rises, the scraping plate 27 will always contact the conveyor belt 11 under the action of the spring 264, preventing a gap from generating between the conveyor belt 11 and the scraping plate 27, and thus unable to scrape off the material stuck to the conveyor belt 11.

[0052] A T-shaped block is fixedly connected to the 41, and a T-shaped groove matching the T-shaped block is provided on the bracket 12. By means of the handle provided on the 41, it is convenient to pull out the 41 to clean the material inside the 41.

[0053] The intelligent monitoring box 28 is located behind the scraping plate 27. Several cameras 29 are installed on the intelligent monitoring box 28, and a cleaning component 32 is also installed on it. An intelligent transmission module 281 and a battery 282 are installed inside the intelligent monitoring box 28.

[0054] Specifically, camera 29 can monitor the surface of conveyor belt 11, taking pictures of the surface and transmitting them to a data terminal via intelligent transmission module 281. The data terminal can analyze the pictures taken by camera 29 to determine whether the conveyor belt 11 has cracks, damage, or other issues, facilitating timely detection and repair.

[0055] The camera 29 is positioned behind the scraper plate 27. After the conveyor belt 11 passes through the scraper plate 27, its surface is cleaned, allowing the camera 29 to capture a clearer view of the conveyor belt 11 and preventing materials adhering to the conveyor belt 11 from interfering with the camera's image capture. The camera 29 is secured to the battery 282.

[0056] A threaded rod 321 and a smooth rod 322 are fixedly connected to the bracket 12. The cleaning component 32 has threaded holes and through holes that match the threaded rod 321 and the smooth rod 322, respectively. The threaded rod 321 is fixedly connected to the output end of the motor 233. The motor 323 can drive the threaded rod 321 to rotate, thereby causing the cleaning component 32 to move along the threaded rod 321.

[0057] The cleaning assembly 32 contains a nozzle 33, which houses a solenoid valve. Wiping blocks 34 surround the nozzle 33. A drying chamber 31 is fixedly connected to the bracket 12 and contains a desiccant. A filter screen 312 is positioned below the desiccant. The height of the nozzle 33 is lower than the height of the wiping blocks 34. A water collection trough is formed between the filter screen 312 and the bottom wall of the drying chamber 31, and a delivery pipe 311 connects the water collection trough to the nozzle 33.

[0058] Specifically, the desiccant can be calcium chloride. The desiccant can absorb moisture in the air, keeping the air around the belt scale dry and preventing materials from sticking to the conveyor belt 11.

[0059] A sealing plate 313 is hinged to the drying chamber 31, facilitating the replacement of the desiccant inside. A mounting bracket 314 is also fixedly connected to the drying chamber 31, and a fan 315 is installed within the bracket 314. A flow hole is provided inside the drying chamber 31, allowing air from the belt scale accessories to be pumped into the chamber through the fan 315. This accelerates the efficiency of the desiccant in absorbing moisture from the air.

[0060] The fan 315 contains a control module connected to a humidity sensor, allowing the fan 315 to adjust its speed based on the humidity of the material. When the material has high humidity, the air contains more moisture, and the fan 315 can increase its speed to improve airflow. When the material has low humidity, the fan 315 can reduce its speed to save energy.

[0061] The moisture absorbed by the desiccant can flow through the filter screen 312 into the water collection tank, where an active agent is pre-added. The active agent mixes with the water to form a cleaning agent, which then flows into the nozzle 33 through the delivery pipe 311.

[0062] When the lens of camera 29 needs to be cleaned, the drive motor 323 drives the threaded rod 321 to rotate, causing the cleaning component 32 to move. Then, the solenoid valve is opened by remote control, and the nozzle 33 sprays cleaning agent downwards. As the cleaning component 32 moves, after the cleaning agent is sprayed onto the lens surface of camera 29, the lens of camera 29 is wiped by the wiping block 34, resulting in a good cleaning effect.

[0063] A water pump 316 is installed at the bottom of the drying chamber 31, and one end of the delivery pipe 311 is connected to the output end of the water pump 316. The water pump can deliver the cleaning agent into the nozzle 33, preventing the cleaning agent from not flowing into the nozzle 33 or only a small amount of cleaning agent from flowing into the nozzle 33 under natural flow conditions, resulting in poor cleaning effect.

[0064] When using, refer to Figures 1-9 As shown, when the belt scale is used in a humid environment, the material on the belt scale will absorb moisture from the air and stick to the conveyor belt 11. By setting a scraping component 22 in front of the weighing idler 13, the material sticking to the conveyor belt 11 can be scraped off when the material is about to pass through the weighing idler 13 for weighing, so as to prevent the material sticking to the conveyor belt 11 from affecting the force on the weighing idler 13.

[0065] Compared with the prior art, the intelligent belt scale for extreme environments according to the present invention can remove materials adhering to the conveyor belt to the greatest extent, which is not likely to affect the accuracy of the belt scale. It has a simple structure, is easy to operate, and is suitable for use in humid environments.

[0066] The foregoing description of specific exemplary embodiments of the invention is for illustrative and explanatory purposes. These descriptions are not intended to limit the invention to the precise forms disclosed, and it will be apparent that many changes and variations can be made in accordance with the foregoing teachings. The exemplary embodiments were chosen and described in order to explain the specific principles of the invention and its practical application, thereby enabling those skilled in the art to implement and utilize various different exemplary embodiments of the invention, as well as various different choices and variations. The scope of the invention is intended to be defined by the claims and their equivalents.

Claims

1. A smart belt scale for extreme environments, comprising a support frame, wherein a plurality of idlers are mounted on the support frame, a conveyor belt is mounted on the idlers, the conveyor belt is divided into an upper conveyor belt and a lower conveyor belt with the idlers as the central axis, the idlers include weighing idlers, and a weighing sensor is fixedly connected to the support frame, characterized in that, Also includes: A scraping assembly is disposed on an upper conveyor belt and contacts the upper conveyor belt. A flow groove is provided inside the scraping assembly. The scraping assembly is located in front of the weighing idler roller; A drive box, in which a support leg is slidably connected, the scraping component is fixedly connected to the support leg, a motor is fixedly connected to the drive box, a gear is provided on the support leg, and a gear that meshes with the gear on the support leg is provided at the output end of the motor; A scraper plate, which contacts the lower conveyor belt, and a support assembly is provided below the scraper plate; The intelligent monitoring box is located behind the scraping plate, and is equipped with several cameras and cleaning components. A drying oven, which is fixedly connected to a support, is provided with a desiccant inside.

2. The intelligent belt scale for extreme environments as described in claim 1, characterized in that, The flow channel is provided with several dividing plates, and the scraping component has a buffer section at one end near the upper conveyor belt.

3. The intelligent belt scale for extreme environments as described in claim 1, characterized in that, A laser displacement sensor is fixedly connected to the support leg.

4. The intelligent belt scale for extreme environments as described in claim 1, characterized in that, The support assembly includes a support plate, which is fixedly connected to the bracket, and a support sleeve is provided between the support plate and the scraping plate.

5. The intelligent belt scale for extreme environments as described in claim 4, characterized in that, The support sleeve includes a first support sleeve and a second support sleeve. The first support sleeve has a groove that matches the second support sleeve. A spring is fixedly connected between the second support sleeve and the bottom wall of the groove.

6. The intelligent belt scale for extreme environments as described in claim 1, characterized in that, The intelligent monitoring box is equipped with an intelligent transmission module and a battery.

7. The intelligent belt scale for extreme environments as described in claim 1, characterized in that, The bracket is fixedly connected with a threaded rod and a smooth rod, and the cleaning component is respectively provided with threaded holes and through holes that match the threaded rod and the smooth rod.

8. The intelligent belt scale for extreme environments as described in claim 1, characterized in that, The cleaning assembly includes a nozzle, which contains a solenoid valve, and wiping blocks are arranged around the nozzle.

9. The intelligent belt scale for extreme environments as described in claim 8, characterized in that, The height of the nozzle is lower than the height of the wiping block.

10. The intelligent belt scale for extreme environments as described in claim 9, characterized in that, A water collection tank is provided at the bottom of the drying chamber, and a delivery pipe is connected between the water collection tank and the nozzle.

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