Mineral aggregate discharge metering device capable of reducing airflow impact

Abstract

The utility model discloses a mineral aggregate discharge metering device capable of reducing airflow impact, and mainly relates to the field of quantitative feeding. Comprising a metering scale arranged between a hopper and a conveying channel, a feeding pipe is arranged between the top of one end of the metering scale and the hopper, a discharging pipe is arranged between the bottom of the other end of the metering scale and the conveying channel, a notch is formed in the feeding pipe, an exhaust net is arranged on the outer side of the notch, and the discharging pipe is connected with the discharging pipe. A fixing ring used for fixing the exhaust net is movably connected to the feeding pipe, a plurality of reinforcing rings are arranged on the outer side of the exhaust net, and reinforcing rods are arranged among the reinforcing rings. The utility model has the beneficial effects that the technical problem that the metering accuracy is influenced due to air flow impact when a closed batching scale structure is used for feeding can be solved, so that the air flow caused by feeding can be discharged in time, the impact on a metering assembly is reduced, the metering accuracy is improved, and the accuracy of cement production proportioning is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of quantitative feeding, in particular to a mineral aggregate discharge metering device capable of reducing airflow impact. BACKGROUND

[0002] The batching scale can not only measure the flow of feeding, but also accurately control the amount of single feeding, so that the mixing of multiple batching is more convenient and accurate. When cement is mixed, dust is easily generated in the conveying process of cement mineral aggregate raw materials, so the batching scale device for mineral aggregate raw materials is generally sealed. This structure causes airflow impact on the metering assembly when the mineral aggregate enters the batching scale from the hopper, which affects the accuracy of the batching scale and reduces the quality of the finished cement. SUMMARY

[0003] The utility model discloses a mineral aggregate discharge metering device capable of reducing airflow impact, which can solve the technical problem of airflow impact on the batching scale structure during feeding, thereby timely discharging the airflow during feeding, reducing the impact on the metering assembly, improving the accuracy of measurement, and ensuring the accuracy of cement production ratio.

[0004] To achieve the above-mentioned purpose, the utility model discloses the following technical scheme:

[0005] A mineral aggregate discharge metering device capable of reducing airflow impact, comprising a metering scale arranged between a hopper and a conveying channel, a feeding pipe arranged between the top of one end of the metering scale and the hopper, a discharge pipe arranged between the bottom of the other end of the metering scale and the conveying channel, an opening arranged on the feeding pipe, an exhaust net arranged on the outside of the opening, a fixing ring movably connected to the feeding pipe and used for fixing the exhaust net, a plurality of reinforcing rings arranged on the outside of the exhaust net, and reinforcing rods arranged between the reinforcing rings.

[0006] Further, the fixing ring is sleeved on the outside of the feeding pipe, and the exhaust net is clamped between the fixing ring and the feeding pipe.

[0007] Further, a plurality of bolts are movably connected to the fixing ring, and the bolts are threadedly connected to the side wall of the feeding pipe after penetrating through the fixing ring.

[0008] Further, an exhaust pipe is arranged on the metering scale and located above the discharge pipe.

[0009] Further, an opening is arranged on the side wall of the exhaust pipe and the discharge pipe, and an exhaust net is arranged on the outside of the opening.

[0010] Further, the inside of the metering scale is provided with a conveying belt, the feeding pipe is located above the conveying belt, and the discharging pipe is located below one end of the conveying belt.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1. The feeding pipe is arranged between the metering scale and the hopper, the discharging pipe is arranged between the metering scale and the conveying channel, the side wall of the feeding pipe is provided with an opening, and the outer side of the opening is provided with an exhaust net, so that when the mineral material raw material passes through the feeding pipe from the hopper into the inside of the metering scale, the airflow brought by the mineral material can be discharged from the mesh holes of the exhaust net in time, the impact of the airflow on the metering assembly is avoided, the accuracy of the metering assembly in metering the mineral material flow is improved, the accuracy of the feeding ratio is ensured, and the quality of the cement production is improved.

[0013] 2. The fixing ring for fixing the exhaust net is movably connected to the feeding pipe, the outer side of the exhaust net is provided with a plurality of reinforcing rings, and the reinforcing rods are arranged between the plurality of reinforcing rings, so that the exhaust net is fixed at the opening of the feeding pipe by the fixing ring, the fixing ring can be disassembled when the exhaust net is blocked after long-term use, the exhaust net can be replaced or cleaned, the smoothness of the exhaust is ensured under long-term use, the firmness of the exhaust net structure is improved by arranging the plurality of reinforcing rings and the reinforcing rods, the impact damage to the exhaust net is reduced when the airflow is discharged from the exhaust net, the firmness of the exhaust net structure is ensured, and the service life of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] FIG. 1 is a perspective view of the utility model. Figure 1 FIG. 2 is a front view of the utility model.

[0015] Figure 2 FIG. 3 is a sectional view of the utility model along the A-A direction.

[0016] FIG. 4 is a sectional view of the utility model along the B-B direction. Figure 3 Figure 2 FIG. 5 is a sectional view of the utility model along the C direction.

[0017] FIG. 6 is an enlarged view of the C part of the utility model. Figure 4 Figure 3 FIG. 7 is a front view of the utility model.

[0018] FIG. 8 is a sectional view of the utility model along the A-A direction. Figure 5 Figure 3 FIG. 9 is a sectional view of the utility model along the B-B direction.

[0019] Reference signs in the drawings:

[0020] ​​​​1, hopper; 2, conveying channel; 3, metering scale; 4, feed pipe; 5, discharge pipe; 6, aperture; 7, exhaust screen; 8, fixed ring; 9, reinforcing ring; 10, reinforcing rod; 11, bolt; 12, exhaust pipe; 13, conveying belt. DETAILED DESCRIPTION

[0021] The present application will be further described below in connection with specific embodiments. It should be understood that these embodiments are intended to illustrate the present application and not to limit the scope of the present application. Furthermore, it should be understood that after reading the content of the present application, those skilled in the art can make various modifications or changes to the present application, and these equivalent forms also fall within the scope of the present application.

[0022] Reference Figure 1 and Figure 2The utility model relates to a kind of mineral aggregate discharge metering devices for reducing airflow impact, main body structure includes the metering scale 3 between being arranged in hopper 1 and conveying channel 2, the mineral aggregate raw material in hopper 1 is first entered the inside of metering scale 3 before entering conveying channel 2, accurately metering the flow of feed, metering scale 3 inside is provided with metering assembly, it can be generally used with pressure sensor assembly in existing market, specifically can adopt weighing sensor of WEL15 of Woli Measurement and Control (Suzhou) Co. Ltd., the outside of metering scale 3 is wrapped with seal cover, so that sealing structure is formed between metering scale 3 and hopper 1, conveying channel 2, avoid dust overflow in mineral aggregate conveying process to external environment, guarantee the neatness of production environment, the top of one end of the metering scale 3 is equipped with feed pipe 4 between hopper 1, the mineral aggregate in hopper 1 passes through feed pipe 4 and enters the inside of metering scale 3, the bottom of the other end of the metering scale 3 is equipped with discharge pipe 5 between conveying channel 2, and the mineral aggregate after metering enters conveying channel 2 from discharge pipe 5, conveying assembly such as belt conveyor is arranged in conveying channel 2, for conveying the mineral aggregate after metering into the inside of cement raw material mixing device, realize the accurate proportioning mixing of cement raw material, the feed pipe 4 is equipped with aperture 6, aperture 6 penetrates the side wall of feed pipe 4, the outside of the aperture 6 is equipped with exhaust net 7, exhaust net 7 is generally used with breathable net of cloth or plastic material, which only allows air to pass through and blocks mineral aggregate particles or dust, such structure when mineral aggregate enters the inside of metering scale 3 from feed pipe 4, the airflow brought by it can be promptly discharged from the exhaust net 7 on feed pipe 4, to avoid multiple impact on the inside metering assembly, to ensure the accuracy of mineral aggregate raw material metering, ensure the accuracy of feed ratio, ensure the quality of cement production, the feed pipe 4 is movably connected with the fixing ring 8 for fixing exhaust net 7, the fixing ring 8 is used to fix exhaust net 7 on the outside of feed pipe 4, after long time use, the fixing ring 8 can be removed to remove exhaust net 7, replace or clean exhaust net 7, ensure the smoothness of exhaust under long-term use, the outside of the exhaust net 7 is fixed with multiple reinforcing rings 9 by bonding or bolt 11, multiple reinforcing rings 9 are fixed with reinforcing rod 10 by welding or bolt 11, multiple reinforcing rings 9 connected by reinforcing rod 10 are sleeved on the outside of exhaust net 7, reinforce the strength of exhaust net 7, so that the impact damage to exhaust net 7 when airflow is discharged from exhaust net 7 is reduced, avoid the tearing of exhaust net 7, guarantee the normal operation of exhaust and filtration function, prolong the service life of device.

[0023] Preferably, the fixed ring 8 is sleeved outside the feeding pipe 4, and the exhaust screen 7 is clamped between the fixed ring 8 and the feeding pipe 4. When the fixed ring 8 is installed outside the feeding pipe 4, the exhaust screen 7 can be clamped between the fixed ring 8 and the feeding pipe 4, so that the contact area of the exhaust screen 7 with the feeding pipe 4 is larger, and the contact position is more secure, thereby further improving the sealing performance of the overall structure and the stability of the exhaust screen 7.

[0024] Preferably, referring to Figure 3 and Figure 5 , the fixed ring 8 is movably connected with a plurality of bolts 11, and the bolts 11 are threadedly connected with the side wall of the feeding pipe 4 after penetrating the fixed ring 8. When the fixed ring 8 is disassembled, only the bolts 11 need to be rotated, and the fixed ring 8 is separated from the feeding pipe 4 under the action of the threaded connection, so that the disassembly and assembly of the fixed ring 8 are more convenient and efficient, and the convenience of later maintenance of the device is further improved.

[0025] Preferably, the metering scale 3 is further provided with an exhaust pipe 12 in communication, and the exhaust pipe 12 is located above the discharge pipe 5. The provision of the exhaust pipe 12 can further increase the exhaust area, so that the volume of the exhaust gas per unit time is larger, and the exhaust effect is further improved, and the impact on the accuracy of the metering assembly is reduced.

[0026] Preferably, the side walls of the exhaust pipe 12 and the discharge pipe 5 are also provided with openings 6, and the outer side of the opening 6 is provided with an exhaust screen 7. Such a structure further increases the exhaust area, so that uniform exhaust operation can be performed at multiple positions at both ends of the metering scale 3, the metering error between both ends of the metering scale 3 is reduced, and the accuracy of the overall metering is further improved.

[0027] Preferably, referring to Figure 4 , the inside of the metering scale 3 is provided with a conveying belt 13, the feeding pipe 4 is located above the conveying belt 13, and the discharge pipe 5 is located below one end of the conveying belt 13. The conveying belt 13 can convey the mineral materials from the feeding pipe 4 to the discharge pipe 5, so that the running speed of the conveying belt 13 can be adjusted according to the demand of the proportioning, the amount of single feeding is more accurately controlled, and the accuracy of the proportioning is further ensured.

[0028] Working principle: the structure of the utility model is provided with feeding pipe 4 between metering scale 3 and hopper 1, is provided with discharge pipe 5 between metering scale 3 and conveying channel 2, is provided with aperture 6 on the lateral wall of feeding pipe 4, the outside of aperture 6 is equipped with exhaust net 7, the structure makes the airflow brought by mineral aggregate raw material when the mineral aggregate raw material passes through feeding pipe 4 from hopper 1 and enters the inside of metering scale 3 can be discharged from the mesh hole of exhaust net 7 in time, avoids the impact on the metering assembly caused by the movement of airflow in the closed metering scale 3, thereby improves the accuracy of the metering assembly to the mineral aggregate flow metering, guarantees the accuracy of the feed proportioning, improves the quality of cement production, the movable fixing ring 8 for fixing exhaust net 7 is connected on feeding pipe 4, the outside of exhaust net 7 is equipped with multiple reinforcing rings 9, multiple reinforcing rings 9 are equipped with reinforcing rod 10, the structure utilizes fixing ring 8 and fixes exhaust net 7 at the aperture 6 of feeding pipe 4, when exhaust net 7 is blocked due to long-term use, fixing ring 8 can be disassembled, exhaust net 7 is replaced or cleaned, guarantees the smoothness of exhaust under long-term use, the setting of multiple reinforcing rings 9 and reinforcing rod 10 can improve the firmness of the structure of exhaust net 7, reduces the impact damage to exhaust net 7 when the airflow is discharged from exhaust net 7, guarantees the firmness of the structure of exhaust net 7, improves the service life of the device.

Claims

1. A mineral aggregate discharge metering device with reduced airflow impact, comprising a metering scale (3) arranged between a hopper (1) and a conveying channel (2), a feed pipe (4) being arranged between the top of one end of the metering scale (3) and the hopper (1), and a discharge pipe (5) being arranged between the bottom of the other end of the metering scale (3) and the conveying channel (2), characterized in that: The feeding pipe (4) is provided with an opening (6), the outer side of the opening (6) is provided with an exhaust screen (7), the feeding pipe (4) is movably connected with a fixing ring (8) for fixing the exhaust screen (7), the outer side of the exhaust screen (7) is provided with a plurality of reinforcing rings (9), and the reinforcing rings (9) are provided with reinforcing rods (10).

2. A bulk material discharge metering device to reduce airflow impact according to claim 1, wherein: The fixing ring (8) is sleeved on the outer side of the feeding pipe (4), and the exhaust screen (7) is clamped between the fixing ring (8) and the feeding pipe (4).

3. A bulk material discharge metering device with reduced airflow impingement according to claim 2, wherein: A plurality of bolts (11) are movably connected on the fixing ring (8), and the bolts (11) are threadedly connected with the side wall of the feeding pipe (4) after penetrating through the fixing ring (8).

4. A bulk material discharge metering device with reduced airflow impingement according to claim 1, wherein: The metering scale (3) is also provided with an exhaust pipe (12), and the exhaust pipe (12) is located above the discharge pipe (5).

5. A bulk material discharge metering device with reduced airflow impingement according to claim 4, wherein: The side walls of the exhaust pipe (12) and the discharge pipe (5) are also provided with openings (6), and the outer sides of the openings (6) are provided with exhaust screens (7).

6. A bulk material discharge metering device with reduced airflow impingement according to claim 1, wherein: The inside of the metering scale (3) is provided with a conveying belt (13), the feeding pipe (4) is located above the conveying belt (13), and the discharge pipe (5) is located below one end of the conveying belt (13).

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