CN216465398U - Anti-siphon device for dry-mixed mortar equipment - Google Patents

Abstract

The utility model relates to the technical field of dry powder mortar equipment and discloses an anti-siphon device for dry powder mortar equipment, which comprises a feed inlet and an equipment body, wherein the feed inlet is communicated with the upper end of the equipment body, a PLC (programmable logic controller) electrical control module is fixedly installed on the right side of the feed inlet, a storage bin is fixedly installed at the upper end inside the equipment body, a connecting pipe is fixedly installed at the bottom of the storage bin, a first butterfly valve is arranged inside the connecting pipe, a powder metering scale is fixedly installed at the lower end of the connecting pipe, an air pump is fixedly installed on the right side of the equipment body, and the upper end of the air pump is communicated with a vent pipe. This dry powder mortar equipment is with preventing siphon device exerts pressure to powder weigher inside through setting up the air pump, makes the inside powder of ejection of compact pipeline flow in the inside of blendor completely under the pressure effect, avoids causing the powder siphon to cause the powder proportion to add the deviation to appear to the inside of ejection of compact pipeline, influences the quality of mortar, has improved the quality of product.

Description

An anti-siphon device for dry powder mortar equipment

technical field

The utility model relates to the technical field of dry powder mortar equipment, in particular to an anti-siphon device for dry powder mortar equipment.

Background technique

Dry powder mortar equipment is mainly composed of storage tank, dual-shaft gravity-free mixer, elevator, warehouse to be mixed, small silo, finished product warehouse, packaging scale, bucket elevator, dust collector, automatic metering and batching scale warehouse, frame, etc. . During the weighing and feeding process of the existing dry powder mortar equipment, when the powder inside the powder metering scale is unloading, because the device is in a closed state, the powder inside the powder metering scale flows into the mixer due to the powder, thereby making the powder material. There is a vacuum state inside the weighing scale, because the air pressure difference between the powder weighing scale and the mixer is too large, which will cause the powder to siphon back to the inside of the powder weighing scale, causing the weighing weight to be different from the actual blanking weight, which affects product mixing. quality.

In the existing device, two second butterfly valves with different heights are set on the discharge pipeline. When it is necessary to feed the mixer, the two second butterfly valves are opened at the same time. When the feeding is completed, the upper second butterfly valve is closed first, and then closed. The second butterfly valve at the lower end avoids the vacuum state inside the powder weighing scale when the powder flows down from the powder weighing scale, so that the powder flows back to the inside of the powder weighing scale through the discharge pipe, but by setting two second Butterfly valve to solve the siphon phenomenon inside the powder metering scale can not completely solve the siphon phenomenon inside the discharge pipe, and still leave a part of the powder to be siphoned to the lower end of the discharge pipe, which will also affect the product quality, especially in some devices that add additives, Small errors can easily lead to the reduction of product quality.

Utility model content

(1) Technical problems solved

In view of the deficiencies of the prior art, the utility model provides an anti-siphon device for dry powder mortar equipment, which has the advantages of anti-siphoning, improving the fluidity of powder materials, and high feeding rate, and solves the problem of solving the problem of powder materials by setting two second butterfly valves. The internal siphon phenomenon of the weighing scale cannot completely solve the problem of the siphon phenomenon inside the discharge pipe, and a part of the powder will still be siphoned to the lower end of the discharge pipe.

(2) Technical solutions

In order to achieve the above purpose of solving the siphon phenomenon inside the powder metering scale by setting two second butterfly valves, the siphon phenomenon inside the discharge pipe cannot be completely solved, and a part of the powder material will still be siphoned to the lower end of the discharge pipe. The utility model provides the following: Technical scheme: an anti-siphon device for dry powder mortar equipment, comprising a feeding port and a device body, the feeding port is communicated with the upper end of the device body, and a PLC electrical control module is fixedly installed on the right side of the feeding port, and the device body The upper end of the interior is fixedly installed with a storage bin, the bottom of the storage bin is fixedly installed with a connecting pipe, the interior of the connecting pipe is provided with a first butterfly valve, the lower end of the connecting pipe is fixedly installed with a powder weighing scale, and the right side of the device body is fixedly installed. There is an air pump, the upper end of the air pump is connected with a ventilation pipe, the lower end of the powder metering scale is provided with a vibrator, the lower end of the device body is fixedly installed with a discharge pipe, the lower end of the discharge pipe is provided with a second butterfly valve, and the bottom of the device body is fixedly installed There is a motor, the output shaft of the motor is fixedly installed with a material dredging device, and the lower end of the device body is fixedly installed with a fixed leg.

Preferably, the powder metering scale is fixedly connected with the lower end inside the feeding port, the storage bin and the powder metering scale are connected through a connecting pipe, the ventilation pipe runs through the interior of the powder material metering scale, and the air pump and the powder material metering scale are connected. communicated through a vent tube.

Preferably, the number of the vibrators is four, the four vibrators are arranged in a circular array at the lower end of the powder weighing scale, the discharge pipe is communicated with the interior of the powder weighing scale, and the fixed legs are in a circular array set up.

Preferably, the dredging device includes a first gear, the first gear is fixedly connected with the output shaft of the motor, the inside of the device body is provided with a keyway, the surface of the first gear is meshed with a gear belt, and the inside of the discharge pipe is fixedly installed There is a fixed plate, the inside of the fixed plate is inlaid with a bearing, the inner wall of the bearing is fixedly installed with a rotating shaft, the upper end of the rotating shaft is fixedly installed with a second gear, and the surface of the rotating shaft is fixedly installed with a spiral fan blade.

Preferably, the output shaft of the motor penetrates into the inside of the keyway, the first gear is located inside the keyway, the left side of the keyway communicates with the discharge pipe, and the surface of the second gear meshes with the inner wall of the gear belt.

Preferably, the rotating shaft is rotatably connected to the fixed plate through a bearing, the upper end of the rotating shaft penetrates the fixed plate, and the shape of the spiral fan blade is helical.

(3) Beneficial effects

Compared with the prior art, the utility model provides an anti-siphon device for dry powder mortar equipment, which has the following beneficial effects:

1. The dry powder mortar equipment is equipped with an anti-siphon device. The air pump is set to apply pressure to the inside of the powder metering scale. Under the action of pressure, the powder in the discharge pipe can be completely flowed into the mixer to avoid siphoning of the powder. The inside of the discharge pipe causes a deviation in the proportion of powder added, which affects the quality of the mortar and improves the quality of the product.

2. The dry powder mortar equipment is equipped with an anti-siphon device. The second butterfly valve is controlled by the PLC electrical control module to open the vibrator and the air pump. The vibrator causes the powder metering scale to vibrate at high frequency. Inside the powder metering scale, pressure is applied to the inside of the powder metering scale, and the fluidity of the powder is increased through the cooperation of the vibrator and the air pump, which can speed up the downflow rate of the powder, thereby improving the stirring efficiency.

3. The dry powder mortar equipment uses an anti-siphon device. When the powder metering scale is in the process of unloading, the PLC electrical control module controls the motor to start, and then the motor drives the first gear to rotate, and the first gear meshes with the gear belt and the gear The left end of the belt meshes with the second gear, which in turn drives the second gear to rotate, which in turn causes the rotating shaft to rotate, so that the spiral fan blade can dredge the powder inside the discharge pipe, avoiding the need to apply pressure inside the powder metering scale. Under the pressure state, the discharge pipeline is blocked, which leads to the high pressure inside the powder metering scale, which is prone to dangerous situations.

Description of drawings

Fig. 1 is the structural representation of a kind of anti-siphon device for dry powder mortar equipment of the present invention;

FIG. 2 is an enlarged schematic structural diagram of the position A in FIG. 1 of the present utility model.

In the picture: 1 feeding port, 2 device body, 3 storage bin, 4 connecting pipe, 5 first butterfly valve, 6 vent pipe, 7 powder weighing scale, 8 air pump, 9 vibrator, 10 fixed leg, 11 motor, 12 bearings, 13 keyways, 14 first gears, 15 gear belts, 16 second gears, 17 fixed plates, 18 spiral blades, 19 rotating shafts, 20 second butterfly valves, 21 discharge pipes, 22 PLC electrical control modules.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-2, the present utility model provides a new technical solution: an anti-siphon device for dry powder mortar equipment, comprising a feed port 1 and a device body 2, and the feed port 1 is connected to the upper end of the device body 2 A PLC electrical control module 22 is fixedly installed on the right side of the feeding port 1, a storage bin 3 is fixedly installed at the upper end of the device body 2, and a connecting pipe 4 is fixedly installed at the bottom of the storage bin 3. A first butterfly valve 5 is provided, and a powder weighing scale 7 is fixedly installed at the lower end of the connecting pipe 4. The powder weighing scale 7 is fixedly connected with the lower end inside the feeding port 1, and the storage bin 3 and the powder weighing scale 7 pass through the connecting pipe. 4 is connected, the right side of the device body 2 is fixedly installed with an air pump 8, the upper end of the air pump 8 is connected with a ventilation pipe 6, and the ventilation pipe 6 penetrates into the interior of the powder metering scale 7, and the air pump 8 and the powder material metering scale 7 pass through the ventilation pipe. 6 are connected, and the lower end of the powder weighing scale 7 is provided with a vibrator 9 (the working part of the vibrator is a rod-shaped hollow cylinder with an eccentric vibrator inside, which is driven by a motor to rotate at a high speed to generate high-frequency and micro-amplitude vibration, The vibration frequency can reach 12,000 to 15,000 times/min, the vibrating effect is good, the structure is simple, and the service life is long. It is suitable for vibrating beams, columns, walls and other components and mass concrete. ), the number of vibrators 9 is four, The four vibrators 9 are arranged in a circular array at the lower end of the powder weighing scale 7. The lower end of the device body 2 is fixedly installed with a discharge pipe 21. The discharge pipe 21 is communicated with the interior of the powder weighing scale 7. The discharge pipe The lower end of 21 is provided with a second butterfly valve 20. When the powder needs to be mixed and stirred, the powder will be added to the storage bin 3 through the feeding port 1 for storage. The electrical control module 22 controls the opening of the first butterfly valve 5, so that the powder flows into the powder weighing scale 7 from the storage bin 3, and the powder is weighed by the powder weighing scale 7 according to the weight required by the stirring device. When the weight of the powder inside the powder metering scale 7 reaches the requirement, the first butterfly valve 5 is controlled by the PLC electrical control module 22 to close, and the second butterfly valve 20 is controlled by the PLC electrical control module 22 to open and turn on the vibrator 9 and the air pump 8. The vibrator 9 makes the powder material measuring scale 7 vibrate at high frequency, and the air pressure is opened by the air pump 8 and enters the inside of the powder material measuring scale 7 through the ventilation pipe 6, and the inside of the powder material measuring scale 7 is pressurized. With the increase of the fluidity of the powder, the downflow rate of the powder can be accelerated, thereby improving the stirring efficiency. Flow into the mixer, solve the traditional device by setting two second butterfly valves 20 with different heights on the discharge pipe 21, when it is necessary to feed the mixer, open the two second butterfly valves 20 at the same time, when the feeding is completed. First close the second butterfly valve 20 at the upper end, and then close the second butterfly valve 20 at the lower end, so as to avoid a vacuum state inside the powder weighing scale 7 when the powder flows down from the powder weighing scale 7, so that the powder will flow back through the discharge pipe 21 to the Inside the powder weighing scale 7, However, by setting two second butterfly valves 20 to solve the siphon phenomenon inside the powder metering scale 7, the siphon phenomenon inside the discharge pipe 21 cannot be completely solved, and a part of the powder material will still be siphoned to the lower end of the discharge pipe 21, resulting in the proportion of powder material. If there is a deviation in the addition, the air pump 8 is set to apply pressure to the inside of the powder weighing scale 7, and the powder in the discharge pipe 21 can be completely flowed into the mixer under the action of pressure, so as to avoid the siphon of the powder to the discharge pipe 21. The internal cause of the deviation of the proportion of powder added, affecting the quality of the mortar and improving the quality of the product;

The bottom of the device body 2 is fixedly installed with the motor 11 , and the output shaft of the motor 11 is fixedly installed with a dredging device. The dredging device includes a first gear 14 , which is fixedly connected with the output shaft of the motor 11 . There is a keyway 13 inside, the output shaft of the motor 11 penetrates into the inside of the keyway 13, the first gear 14 is located inside the keyway 13, the left side of the keyway 13 is connected with the discharge pipe 21, and the surface of the first gear 14 is meshed with gears Belt 15, the inside of the discharge pipe 21 is fixedly installed with a fixed plate 17, the inside of the fixed plate 17 is inlaid with a bearing 12, the inner wall of the bearing 12 is fixedly installed with a rotating shaft 19, and the rotating shaft 19 is rotatably connected to the fixed plate 17 through the bearing 12, The upper end of the rotating shaft 19 penetrates the fixing plate 17, the upper end of the rotating shaft 19 is fixedly installed with the second gear 16, the surface of the second gear 16 is engaged with the inner wall of the gear belt 15, and the surface of the rotating shaft 19 is fixedly installed with the spiral fan blade 18, The shape of the helical fan blade 18 is helical. When the powder weighing scale 7 is in the process of feeding, the PLC electrical control module 22 controls the motor 11 to start, and then the motor 11 drives the first gear 14 to rotate, and the first gear 14 and the The gear belt 15 is meshed and the left end of the gear belt 15 is meshed with the second gear 16, which in turn drives the second gear 16 to rotate, thereby causing the rotating shaft 19 to rotate, so that the helical fan blades 18 can counteract the powder in the discharge pipe 21. The material is dredged to avoid blockage of the discharge pipe 21 under the pressure inside the powder metering scale 7, resulting in the high pressure inside the powder metering scale 7, which is prone to dangerous situations. For practicality, the lower end of the device body 2 is fixedly installed with fixed legs 10 , and the fixed legs 10 are arranged in a circular array. The device is fixed by the fixed legs 10 to avoid shaking.

Working principle: The dry powder mortar equipment is equipped with an anti-siphon device. When the powder needs to be mixed and stirred, the powder is added to the interior of the storage bin 3 through the feeding port 1 for storage. When the powder needs to be weighed and stirred, The first butterfly valve 5 is controlled to open by the PLC electrical control module 22, so that the powder material flows from the storage bin 3 into the powder material weighing scale 7, and the powder material is weighed by the powder material weighing scale 7 according to the weight required by the stirring device. , when the powder weight inside the powder weighing scale 7 reaches the requirement, the first butterfly valve 5 is controlled by the PLC electrical control module 22 to close, and the second butterfly valve 20 is controlled by the PLC electrical control module 22 to open and turn on the vibrator 9 and the air pump 8 , make the powder metering scale 7 vibrate at high frequency by the vibrator 9, open the air pressure through the air pump 8 and enter the interior of the powder material metering scale 7 through the ventilation pipe 6, apply pressure to the powder metering scale 7, pass the vibrator 9 and The air pump 8 cooperates to increase the fluidity of the powder, thereby accelerating the downflow rate of the powder. By setting the air pump 8 to apply pressure to the powder weighing scale 7, the powder in the powder weighing scale 7 can be completely flowed into the mixer. Inside, when the powder weighing scale 7 is in the feeding process, the PLC electrical control module 22 controls the motor 11 to start, so that the motor 11 drives the first gear 14 to rotate, and the first gear 14 meshes with the gear belt 15 and the gear belt The left end of the 15 meshes with the second gear 16, which in turn drives the second gear 16 to rotate, which in turn causes the rotating shaft 19 to rotate, so that the screw blade 18 can dredge the powder inside the discharge pipe 21, so as to avoid the powder in the powder. Under the state of internal pressure of the material weighing scale 7, the discharge pipe 21 is blocked.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a dry powder mortar equipment is with preventing siphon device, includes feed inlet (1) and device body (2), and feed inlet (1) is linked together its characterized in that with the upper end of device body (2): the device is characterized in that a PLC (programmable logic controller) electrical control module (22) is fixedly mounted on the right side of the feeding port (1), a storage bin (3) is fixedly mounted at the upper end inside the device body (2), a connecting pipe (4) is fixedly mounted at the bottom of the storage bin (3), a first butterfly valve (5) is arranged inside the connecting pipe (4), a powder metering scale (7) is fixedly mounted at the lower end of the connecting pipe (4), an air pump (8) is fixedly mounted on the right side of the device body (2), an air pipe (6) is communicated with the upper end of the air pump (8), a vibrator (9) is arranged at the lower end of the powder metering scale (7), a discharge pipeline (21) is fixedly mounted at the lower end of the device body (2), a second butterfly valve (20) is arranged at the lower end of the discharge pipeline (21), a motor (11) is fixedly mounted at the bottom of the device body (2), and a material dredging device is fixedly mounted at an output shaft of the motor (11), the lower end of the device body (2) is fixedly provided with a fixed leg (10).

2. The anti-siphon device for dry-mixed mortar equipment according to claim 1, characterized in that: powder measurement scale (7) and the inside lower extreme fixed connection of feed inlet (1), storage silo (3) and powder measurement scale (7) are linked together through connecting pipe (4), and breather pipe (6) run through to the inside of powder measurement scale (7), and air pump (8) and powder measurement scale (7) are linked together through breather pipe (6).

3. The anti-siphon device for dry-mixed mortar equipment according to claim 1, characterized in that: the quantity of the vibrators (9) is four, the four vibrators (9) are arranged at the lower end of the powder metering scale (7) in a circumferential array mode, the discharging pipeline (21) is communicated with the interior of the powder metering scale (7), and the fixing legs (10) are arranged in a circumferential array mode.

4. The anti-siphon device for dry-mixed mortar equipment according to claim 1, characterized in that: dredge material device including first gear (14), the output shaft fixed connection of first gear (14) and motor (11), keyway (13) have been seted up to the inside of device body (2), the surface toothing of first gear (14) has gear belt (15), the inside fixed mounting of ejection of compact pipeline (21) has fixed plate (17), the inside of fixed plate (17) is inlayed and is had bearing (12), the inner wall fixed mounting of bearing (12) has axis of rotation (19), the upper end fixed mounting of axis of rotation (19) has second gear (16), the fixed surface of axis of rotation (19) installs spiral fan blade (18).

5. The anti-siphon device for dry-mixed mortar equipment according to claim 4, characterized in that: the output shaft of the motor (11) penetrates into the key groove (13), the first gear (14) is located inside the key groove (13), the left side of the key groove (13) is communicated with the discharging pipeline (21), and the surface of the second gear (16) is meshed with the inner wall of the gear belt (15).

6. The anti-siphon device for dry-mixed mortar equipment according to claim 4, characterized in that: the rotating shaft (19) is rotatably connected with the fixing plate (17) through the bearing (12), the upper end of the rotating shaft (19) penetrates through the fixing plate (17), and the spiral fan blades (18) are spiral.

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