Powder weighing and conveying device

Abstract

The utility model relates to a powder weighing and conveying device which is mainly used for loading, unloading, transporting, weighing and proportioning materials. According to the technical scheme, the device comprises a material storage bin, a weighing sensor, a material mixing bin and a rack, a top plate is arranged at the top of the rack and used for installing the material storage bin, a plurality of feeding pipelines are arranged on one side of the upper portion of the material storage bin and communicated with a material suction fan, and stop valves are arranged at the positions, communicated with the material storage bin, of the feeding pipelines. A weighing sensor is arranged at the lower part of the storage bin and is used for weighing materials in the storage bin; an outlet is formed in the lower portion of the discharging bin, a weighing stop valve is arranged at the position of the outlet, the outlet is communicated with the mixing bin, a stirring mechanism is arranged in the mixing bin, a discharging stop valve is arranged on the lower portion of the mixing bin, the weighing stop valve is provided with an upper branch air cylinder drive, and the discharging stop valve is provided with a lower branch air cylinder drive. The working efficiency is improved, the limitation of weather environment to transportation is reduced, the pollution of transportation to the environment is reduced, and the material loss is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a powder material weighing and conveying device, which is mainly used for loading and unloading, transporting, weighing and proportioning of materials. BACKGROUND

[0002] Currently, powder material conveying is carried out by using a belt conveyor, and the operation cannot be carried out outdoors due to environmental factors such as weather. Moreover, the existing powder conveying causes serious environmental pollution of dust. The material is also seriously wasted. The belt conveyor is suitable for working in a closed environment, and the material needs to be weighed separately when loading and unloading the powder material, thereby increasing a large part of the cost. UTILITY MODEL CONTENT

[0003] In view of the above problems, the utility model provides a powder material weighing and conveying device to solve the weighing problem and environmental pollution problem during powder conveying.

[0004] To achieve the above purpose, the utility model adopts the technical scheme of comprising a storage bin, a weighing sensor, a mixing bin and a rack, a top plate is arranged on the top of the rack for mounting the storage bin, a plurality of feeding pipes are arranged on one side of the upper part of the storage bin, the feeding pipes are connected to a material suction fan, a stop valve is arranged at the connection position of the feeding pipes and the storage bin, a weighing sensor is arranged at the lower part of the storage bin, and the weighing sensor weighs the material in the storage bin.

[0005] An outlet is arranged at the lower part of the discharge bin, a weighing stop valve is arranged at the position of the outlet, the outlet is connected to the mixing bin, a stirring mechanism is arranged in the mixing bin, a discharge stop valve is arranged at the lower part of the mixing bin, the weighing stop valve is driven by an upper branch air cylinder, and the discharge stop valve is driven by a lower branch air cylinder.

[0006] According to the powder material weighing and conveying device, the storage bin is arranged at one end of the rack, the feeding direction of the feeding pipes is perpendicular to the circular storage bin, and the lower part of the mixing bin is connected to a material conveying cylinder.

[0007] According to the powder material weighing and conveying device, the device further comprises a dust removal device, the dust removal device comprises a dust suction pipeline and a dust discharge pipeline, one end of the dust suction pipeline is connected to the top of the storage bin, the other end of the dust suction pipeline is connected to the air inlet of a fan, and the air outlet of the fan is connected to the dust discharge pipeline.

[0008] According to the powder material weighing and conveying device, the rack is composed of four vertical columns, a top plate is placed on the top of the four vertical columns, and two cross beams are arranged on one side of the lower end of the rack.

[0009] According to the powder material weighing and conveying device, the upper branch air cylinder and the lower branch air cylinder are arranged in pairs.

[0010] According to the powder weighing conveying device, the air inlet end of the lower supporting cylinder is connected to electromagnetic reversing valve A, the air inlet end of the upper supporting cylinder is connected to electromagnetic reversing valve B, electromagnetic reversing valve A and electromagnetic reversing valve B are connected to the gas source control electromagnetic valve through a three-way pipe, and the gas source control electromagnetic valve is connected to the high-pressure gas source.

[0011] According to the powder weighing conveying device, the weighing sensor is connected to the input end of the PLC through a digital-analog conversion module, the input end of the PLC is connected to K2 suction fan starting switch K2, suction fan stopping switch K3, dust removal starting switch K4, dust removal stopping switch K5, upper supporting cylinder pushing-out switch K6, upper supporting cylinder returning switch K7, lower supporting cylinder pushing-out switch K, lower supporting cylinder returning switch K9 and emergency stop switch K10, and the output end of the PLC is connected to suction fan contactor J1, dust removal device contactor J2, electromagnetic reversing valve A contactor J3, electromagnetic reversing valve A contactor J4, electromagnetic reversing valve B contactor J5 and electromagnetic reversing valve B contactor J6.

[0012] According to the powder weighing conveying device, K2 suction fan starting switch K2, suction fan stopping switch K3 and suction fan contactor J1 are in interlocking control, dust removal starting switch K4, dust removal stopping switch K5 and dust removal device contactor J2 are in interlocking control, upper supporting cylinder pushing-out switch K6 and electromagnetic reversing valve A contactor J3 are in interlocking control of the upper supporting cylinder pushing-out, upper supporting cylinder returning switch K7 and electromagnetic reversing valve A contactor J4 control the upper supporting cylinder returning, lower supporting cylinder pushing-out switch K and electromagnetic reversing valve B contactor J5 are in interlocking control of the lower supporting cylinder pushing-out, and lower supporting cylinder returning switch K9 and electromagnetic reversing valve B contactor J6 are in interlocking control of the lower supporting cylinder returning.

[0013] Advantages of the device:

[0014] The working efficiency is improved, the limitation of weather environment on transportation is reduced, the PLC is always operated in the best working condition, the environmental pollution caused by transportation is reduced, the material loss is reduced, the workload of material weighing and manual operation is reduced, and the cost is reduced.

[0015] The labor intensity of workers is reduced, the material loss and cost are reduced, the transportation in a harsh environment is facilitated, the material weighing is designed to utilize the fan, cooperate with the pipeline and the weighing device, thereby reducing the material loss, accurately weighing the material, and making the transportation work in the best working condition. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view of the utility model;

[0017] Figure 2 It is a left view of the utility model;

[0018] Figure 3 It is a pneumatic principle diagram of the utility model;

[0019] Figure 4 The circuit connection diagram of the utility model.

[0020] In the figure: 1, storage bin 2, rack; 21, stand column; 22, top plate; 23, crossbeam, 3, feed pipe; 4, suction fan; 5, mixing bin; 6, weighing sensor; 7, upper supporting cylinder; 8, high-pressure air source; 9, lower supporting cylinder; 10, feed cylinder; 11, air source control electromagnetic valve; 12, electromagnetic reversing valve A; 13, electromagnetic reversing valve B; 14, dust suction pipe; 15, dust removal fan; 16, dust discharge pipe, 17, discharge stop valve, 18, weighing stop valve. DETAILED DESCRIPTION

[0021] The specific embodiment of the utility model is further explained as follows:

[0022] The powder weighing and conveying device of the utility model, including storage bin 1, weighing sensor 6, mixing bin 5 and rack 2, the top of rack 2 is provided with top plate 22 for installing the storage bin 1, a plurality of feed pipes 3 are arranged on the upper side of storage bin 1, feed pipe 3 is communicated with suction fan 4, and stop valve is arranged at the communication position of feed pipe 3 in storage bin 1, and weighing sensor 6 is arranged at the lower part of storage bin 1, and weighing sensor 6 weighs the material in storage bin 1.

[0023] The lower part of discharge bin is provided with an outlet, the weighing stop valve is arranged at the outlet position, the outlet is communicated with mixing bin 5, stirring mechanism is arranged in mixing bin 5, discharge stop valve is arranged at the lower part of mixing bin 5, the weighing stop valve is driven by upper supporting cylinder 7, and discharge stop valve is driven by lower supporting cylinder 9. Upper supporting cylinder 7 and lower supporting cylinder 9 are arranged in pairs.

[0024] Rack 2 is composed of four stand columns 21, a top plate 22 is placed on the top of the four stand columns 21, two crossbeams 23 are arranged on the side close to the lower end of rack 2 for placing PLC control cabinet.

[0025] Storage bin 1 is arranged at one end of rack 2, the feeding direction of feed pipe 3 is tangent to the circular storage bin 1, and the lower part of mixing bin 5 is connected with feed cylinder 10.

[0026] The air inlet end of lower supporting cylinder 9 is connected to electromagnetic reversing valve A 12, and the air inlet end of upper supporting cylinder 7 is connected to electromagnetic reversing valve B 13, electromagnetic reversing valve A 12 and electromagnetic reversing valve B 13 are connected to air source control electromagnetic valve 11 through a tee joint, and air source control electromagnetic valve 11 is connected to high-pressure air source.

[0027] It also includes dust removal device, and the dust removal device includes dust suction pipe 14 and dust discharge pipe 16, one end of dust suction pipe 14 is communicated with the top of storage bin 1, the other end of dust suction pipe 14 is connected to the air inlet of fan, and the air outlet of fan is connected to dust discharge pipe 16.

[0028] When the material is sucked into the storage bin, the dust in the bin is sucked away by the dust suction pipe 14 to achieve the purpose of dust removal.

[0029] Specifically, the fan pipe 20 is provided as a detachable pipe 24 and a feeding port 25. The pipe is assembled by finished parts, and can be moved conveniently through a soft connecting pipe, and is convenient for cleaning.

[0030] Specifically, the upper supporting cylinder at the lower part of the mixing bin controls the opening of the weighing cut-off valve. When closed, the weight is measured, and when opened, the material is released into the mixing bin.

[0031] The air inlet end of the lower supporting cylinder (9) is connected to the electromagnetic reversing valve A (12), and the air inlet end of the upper supporting cylinder (7) is connected to the electromagnetic reversing valve B (13). The electromagnetic reversing valve A (12) and the electromagnetic reversing valve B (13) are connected to the gas source control electromagnetic valve (11) through a three-way pipe, and the gas source control electromagnetic valve (11) is connected to a high-pressure gas source.

[0032] In the device, the weighing sensor is connected to the input end of the PLC through a digital-to-analog conversion module. The input end of the PLC is connected to the K2 suction fan start switch K2, the suction fan stop switch K3, the dust removal start switch K4, the dust removal stop switch K5, the upper supporting cylinder push-out switch K6, the upper supporting cylinder return switch K7, the lower supporting cylinder push-out switch K8, the lower supporting cylinder return switch K9, and the emergency stop switch K10.

[0033] The output end of the PLC is connected to the suction fan contactor J1, the dust removal device contactor J2, the electromagnetic reversing valve A contactor J3, the electromagnetic reversing valve A contactor J4, the electromagnetic reversing valve B contactor J5, and the electromagnetic reversing valve B contactor J6.

[0034] The suction fan start switch K2, the suction fan stop switch K3, and the suction fan contactor J1 are interlocked controlled, the dust removal start switch K4, the dust removal stop switch K5, and the dust removal device contactor J2 are interlocked controlled. The upper supporting cylinder push-out switch K6 and the electromagnetic reversing valve A contactor J3 are interlocked controlled to push out the upper supporting cylinder, the upper supporting cylinder return switch K7 and the electromagnetic reversing valve A contactor J4 control the return of the upper supporting cylinder, the lower supporting cylinder push-out switch K8 and the electromagnetic reversing valve B contactor J5 are interlocked controlled to push out the lower supporting cylinder, and the lower supporting cylinder return switch K9 and the electromagnetic reversing valve B contactor J6 are interlocked controlled to return the lower supporting cylinder.

[0035] The device weighs the conveyor in the equipment, which can improve the work efficiency, reduce the environmental restrictions on transportation, and reduce the pollution of transportation to the environment, the loss of materials, the workload of material weighing and manual work, and the cost.

Claims

1. A powder weighing and conveying device, characterized in that, It includes storage bin (1), weighing sensor (6), mixing bin (5) and rack (2), the top of rack (2) is provided with top plate (22) for installing the storage bin (1), the upper part of storage bin (1) is provided with multiple feeding pipes (3) on one side, feeding pipe (3) is connected with suction fan (4), the position of feeding pipe (3) is provided with stop valve in the communication position of storage bin (1), the lower part of storage bin (1) is provided with weighing sensor (6), weighing sensor (6) weighs the material in storage bin (1); The lower part of discharge bin is provided with outlet, the position of outlet is provided with weighing stop valve, the outlet is connected with mixing bin (5), mixing bin (5) is provided with stirring mechanism, the lower part of mixing bin (5) is provided with discharge stop valve, weighing stop valve is driven by upper branch cylinder (7), discharge stop valve is driven by lower branch cylinder (9).

2. The powder weighing and conveying apparatus according to claim 1, wherein Storage bin (1) is arranged at one end of rack (2), the feeding direction of feeding pipe (3) is cut to circular storage bin (1), the lower part of mixing bin (5) is connected with conveying cylinder (10).

3. The powder weighing and conveying apparatus according to claim 1, wherein It also includes dust removal device, dust removal device includes dust suction pipeline (14) and dust exhaust pipeline (16), one end of dust suction pipeline (14) is connected with the top of storage bin (1), the other end of dust suction pipeline (14) is connected with the air inlet of fan, the air outlet of fan is connected with dust exhaust pipeline (16).

4. The powder weighing and conveying apparatus according to claim 1, wherein Rack (2) is composed of four vertical columns (21), a top plate (22) is placed on the top of four vertical columns (21), two cross beams (23) are arranged on one side of rack (2) close to the lower end.

5. The powder weighing and conveying apparatus according to claim 1, wherein Upper branch cylinder (7) and lower branch cylinder (9) are arranged in pairs.

6. The powder weighing and conveying apparatus according to claim 1, wherein The air inlet end of lower branch cylinder (9) is connected with electromagnetic reversing valve A (12), the air inlet end of upper branch cylinder (7) is connected with electromagnetic reversing valve B (13), electromagnetic reversing valve A (12) and electromagnetic reversing valve B (13) are connected with gas source control electromagnetic valve (11) through three-way, gas source control electromagnetic valve (11) is connected with high pressure gas source.

7. The powder weighing and conveying apparatus according to claim 1, wherein Weighing sensor (6) is connected with the input end of PLC through digital-analog conversion module, the input end of PLC is connected with K2 suction fan (4) starting switch K2, suction fan (4) stopping switch K3, dust removal starting switch K4, dust removal stopping switch K5, upper branch cylinder (7) pushing out switch K6, upper branch cylinder (7) returning switch K7, lower branch cylinder (9) pushing out switch K8, lower branch cylinder (9) returning switch K9 and emergency stop switch K10, the output end of PLC is connected with suction fan (4) contactor J1, dust removal device contactor J2, electromagnetic reversing valve A (12) contactor J3, electromagnetic reversing valve A (12) contactor J4, electromagnetic reversing valve B (13) contactor J5 and electromagnetic reversing valve B (13) contactor J6.

8. The powder weighing and conveying apparatus according to claim 1, wherein The suction fan (4) start switch K2, suction fan (4) stop switch K3 and suction fan (4) contactor J1 are interlocked control, dust removal start switch K4, dust removal stop switch K5 and dust removal device contactor J2 are interlocked control, the upper supporting cylinder (7) push out switch K6 and electromagnetic reversing valve A (12) contactor J3 are interlocked control upper supporting cylinder (7) push out, the upper supporting cylinder (7) return switch K7 and electromagnetic reversing valve A (12) contactor J4 control upper supporting cylinder (7) return, the lower supporting cylinder (9) push out switch K and electromagnetic reversing valve B (13) contactor J5 are interlocked control lower supporting cylinder (9) push out, the lower supporting cylinder (9) return switch K9 and electromagnetic reversing valve B (13) contactor J6 are interlocked control lower supporting cylinder (9) return.

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