CN210438439U

CN210438439U - Automatic powder adding device

Info

Publication number: CN210438439U
Application number: CN201921226521.3U
Authority: CN
Inventors: 刘昌林; 陈剑平
Original assignee: Hunan Qisi Environmental Co ltd
Current assignee: Hunan Qisi Environmental Co ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-05-01
Anticipated expiration: 2029-07-31

Abstract

The utility model relates to an automatic powder adding device, which is provided with a shell and comprises a conveying unit, wherein the conveying unit comprises a plurality of screw rods which are used for stirring powder and conveying the powder to a discharge hole of the shell; the weighing unit is used for monitoring the weight of the automatic powder adding device; and the metering unit is connected with the discharge port and is used for controlling the output quantity of the powder. The device that this application provided has flat oval structure, waterproof unit and the control unit of collocation, make the device can satisfy the use of different operating modes and weather, inside adopts a plurality of hob combinations to use, promote stirring speed and effect, satisfy the requirement of continuous operation, can realize stirring and the synchronous of measurement go on, can carry the powder of different weight according to actual need simultaneously, very big improvement the efficiency and the precision that the powder matches, better economic value has.

Description

Automatic powder adding device

Technical Field

The utility model relates to an environmental engineering field especially relates to an automatic device that adds of powder.

Background

When urban sewage is treated, different types of auxiliary powder, such as disinfectant powder, flocculating agent and the like, are required to be added for treatment according to the task requirements of each stage. At present, with the increasing population density of cities, the water consumption of cities is continuously increased, so that the problem of urban water treatment is difficult day by day, and further, the urban water treatment is required to realize automatic operation.

Traditionally, when sewage is treated, operators manually stir the proportioned medicinal powder as required and then put the medicinal powder into a reaction tank to play a role, but with continuous development and progress of a sewage treatment automation process, the traditional manual operation cannot meet the current operation requirement; meanwhile, the traditional operation easily causes uneven stirring, or the amount of the medicine powder is controlled improperly, so that not only can waste on materials be brought, but also the sewage after treatment cannot reach the standard even due to improper control of the amount of the medicine powder, and the influence on the whole process is serious.

At present, some automatic powder stirring equipment exist in the market, but the requirement of automatic powder preparation amount control cannot be met, and in addition, the equipment is usually complex in structure, large in mass and inconvenient to move, so that the equipment cannot be used under various working conditions, and the universal applicability is not high.

SUMMERY OF THE UTILITY MODEL

Based on the problems that automatic stirring and automatic metering cannot be completed in powder proportioning, movement is unchanged, equipment cost is high and the like, the automatic powder adding device is provided with a shell and comprises a conveying unit, wherein the conveying unit comprises a plurality of screw rods, and the screw rods are used for stirring powder and conveying the powder to a discharge hole of the shell; a weighing unit for monitoring the weight of the automatic powder adding device; and the metering unit is connected with the discharge port and is used for controlling the output quantity of the powder.

The automatic device that adds of powder that this application provided, the hob in the conveying unit can realize the automatic stirring to the powder, and the weighing unit can calculate actual need's powder volume through monitoring facilities's total weight, exports concrete needs ' powder volume through the metering unit at last. Adopt the technical scheme that this application provided, can realize stirring and the synchronous of measurement going on, can carry the powder of different weight simultaneously according to actual need, very big improvement the efficiency and the precision that the powder matches, have better economic value.

Further, the plurality of screw rods are arranged in pairs, each pair of screw rods comprising a driving screw rod and a driven screw rod.

Further, the driving screw rod and the driven screw rod are arranged in parallel, and the position of the driving screw rod is higher than that of the driven screw rod.

Further, the top of casing includes the feed inlet, the discharge gate is located the bottom of casing.

Further, the axial directions of the plurality of screw rods are perpendicular to the opening directions of the feed port and the discharge port.

Further, the driven screw rod is closer to the discharge port than the driving screw rod, and the powder is conveyed to the discharge port after being stirred by the driven screw rod.

Further, the weighing unit is located at the bottom of the housing and includes a load cell.

Further, the top of casing still includes the apron, the apron pass through the pneumatic cylinder with the casing is connected, is used for sealing the feed inlet.

Further, the automatic powder adding device comprises a waterproof unit, wherein the waterproof unit is used for sealing each unit of the automatic powder adding device and the connection position of each unit.

The weighing unit is used for weighing the weighing materials, and the weighing unit is used for weighing the weighing materials and weighing the weighing materials.

The utility model provides an automatic device that adds of powder has flat oval type structure, the waterproof unit of collocation simultaneously for the device can satisfy the use of different operating modes and weather, and inside adopts a plurality of hob combinations to use, promotes stirring speed and effect, thereby satisfies the requirement of continuous operation, can realize simultaneously that the stirring is carried and the synchronous of quantitative transport goes on, and the function is perfect, and cost economy has better using value.

Various specific structures of the present application, as well as the functions and effects thereof, will be described in further detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is a side view of an automatic powder adding apparatus according to an embodiment of the present application;

FIG. 2 is a front view of an automatic powder adding device according to an embodiment of the present application;

FIG. 3 is a cross-sectional view of an automatic powder adding apparatus B-B according to an embodiment of the present application;

fig. 4 is a perspective view of an automatic powder adding device according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be further clearly and completely described below with reference to the accompanying drawings, but it should be noted that the following embodiments are only some preferred embodiments in the present application, and do not refer to all embodiments covered by the technical solutions of the present application.

It should be noted that when an element is referred to as being "fixed" to another element in the description of the present application, it may be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Fig. 1 is a side view of an automatic powder adding apparatus according to an embodiment of the present application, including a conveying unit 1, a weighing unit 2, and a metering unit 3. In the embodiment shown in fig. 1, the conveying unit 1 includes 2 sets of conveying units symmetrically disposed on both sides of the central axis of the housing 4 of the automatic powder adding device, specifically, each set of conveying unit 1 includes a pair of screw rods for stirring the powder in the housing 4 and conveying the powder to the discharge port 42 of the housing 4. Each pair of screw rods comprises a driving screw rod 11 and a driven screw rod 12, wherein the driving screw rod 11 is driven by a motor 10 arranged at the end part of the driving screw rod, and the driving screw rod 11 drives the driven screw rod 12 to rotate through a conveyor belt 13.

Weighing unit 2 sets up in four corners in 4 bottoms of casing, including weighing sensor, weighing unit 2 monitors the weight change of whole device through the weighing sensor above that to real-time feedback to the control unit 7, the powder volume of carrying out is calculated according to the change of device weight to the control unit 7, and in time controls metering unit 3 and carries out the powder dose that calculates.

The metering unit 3 is arranged at the bottom of the housing 4 and is connected with the discharge port 42 of the housing 4, and the metering unit 3 receives the instruction of the control unit 7 and controls the movement of a moving part, such as a servo motor, on the metering unit so as to control the output quantity of the powder.

It should be noted that the standard parts listed above, such as motors, servomotors, load cells, etc., are not the only available parts in the technical solutions referred to in the present application, but other types of standard parts, which can be used by a person skilled in the art to obtain equivalent functions according to simple deductions, are also allowed by the present application. In the present application, it is only one preferred embodiment of the present application that the driving screw 11 drives the driven screw 12 through the driving belt 13, and other types of transmission methods that can drive the driven screw 12 without affecting the output of the substances such as powder are acceptable in the present application.

Fig. 2 is a front view of an automatic powder adding device according to an embodiment of the present invention, and the top of the housing 4 includes a cover plate 5 for closing the feed opening 41 of the housing 4 to prevent splashing and contamination of the powder material during movement of the device. In order to better close the shell 4, the cover plate 5 and the shell 4 are connected into a whole through the hydraulic cylinder 6, and the cover plate 5 can seal the feeding hole 41 of the shell 4 under the action of no external force.

The metering unit 3 comprises an inlet 31 and an outlet 32, the inlet 31 is connected with a discharge port 42 of the housing 4, preferably, the inlet 31 is in a funnel shape with a wide top and a narrow bottom, which can ensure that the powder material is conveyed into the metering unit 3 after being stirred, and the outlet 32 is in an inverted funnel shape, which can be connected with various types of external equipment, such as a reaction tank, a pipeline and the like, to ensure that the powder material can be conveyed to a preset position. Further, in order to ensure that the powder material entering the dosing unit 3 is transported out through the outlet 32, a feeding device 33, such as a screw rod, may be provided in the dosing unit, through which feeding device 33 the material is transported to the outlet 32.

Fig. 3 is a cross-sectional view of an automatic powder adding apparatus B-B according to an embodiment of the present invention, wherein a material such as powder is fed through a feed port 41 at the top of a housing 4, and after being stirred by a screw rod, the material is fed into a metering unit 3 through a discharge port 42 at the bottom of the housing 4, and then is subjected to subsequent processing, so that the material can be fed out in a predetermined direction, as shown in fig. 1 and 3, a driving screw rod 11 and a driven screw rod 12 are arranged in parallel, the axial direction of the driving screw rod is perpendicular to the opening direction of the feed port 41 and the discharge port 42, and the position of the driving screw rod 11 is higher than that of the driven screw rod 12.

As shown in fig. 3, the driving screw 11 is disposed outside the casing 4, the driven screw 12 is disposed at a position closer to the discharge port 42 of the casing 4, and the discharge port 42 of the casing 4 is located at the bottom center position, and with the conveying unit 1 of this structure, the powder is conveyed to the discharge port 42 after being stirred by the driven screw 12, and is simultaneously discharged along the discharge port 42 at the bottom center position by the stirring of the screws by the self weight of the powder material. The bottom outlet 42 of the housing 4 is connected to the inlet 31 of the metering unit 3 and to the feed device 33 of the metering unit 3, for rotating the powder material out. It should be noted that the feeding device 33 shown in fig. 3 is preferably a screw rod, but other types of structures capable of conveying the powder material in one direction to a predetermined position are all allowed by the present application.

Fig. 4 is a perspective view of an automatic powder adding device according to an embodiment of the present invention, as shown in fig. 4, the housing 4 is a flat shape, has a relatively large volume, a long duration, a compact flat oval shape, and a small height for easy installation and use in various environments, especially in mobile equipment. Whole equipment includes waterproof unit, if add the sealing washer at each connection position, and waterproof coating is added to the casing outside, can guarantee that the scheme that this application provided satisfies the use under the different work condition, simultaneously, can guarantee that 4 insides of casing are in dry and comfortable state, can not cause the problem that the powder material wets the bonding.

The application provides an automatic device collocation the control unit that adds of powder, according to the needs of operation condition and the reduction of total weight, the output of control measurement unit to the realization is to the automatic control of powder output volume. In addition, the device that this application provided has flat oval structure, and the waterproof unit of collocation simultaneously for the device can satisfy the use of different operating modes and weather, and inside adopts a plurality of hob combinations to use, promotes stirring speed and effect, satisfies the requirement of continuous operation, can realize simultaneously that the stirring is carried and the automation of quantitative transport goes on, and the function is perfect, and cost economy has better using value.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An automatic powder adding device having a housing, comprising:

a conveying unit including a plurality of screw rods for stirring powder and conveying the powder to a discharge port of the housing;

a weighing unit for monitoring the weight of the automatic powder adding device;

and the metering unit is connected with the discharge port and is used for controlling the output quantity of the powder.

2. The automatic powder adding device according to claim 1, wherein the plurality of screw rods are provided in pairs, each pair of screw rods comprising one driving screw rod and one driven screw rod.

3. The automatic powder adding device according to claim 2, wherein the driving screw rod and the driven screw rod are arranged in parallel, and the driving screw rod is higher than the driven screw rod.

4. The automatic powder adding device according to claim 3, wherein the top of the housing comprises a feed port, and the feed port is located at the bottom of the housing.

5. The automatic powder adding device according to claim 4, wherein the axial direction of the plurality of screw rods is perpendicular to the opening direction of the feed port and the discharge port.

6. The automatic powder adding device according to claim 5, wherein the driven screw is disposed closer to the discharge port than the driving screw, and the powder is conveyed to the discharge port after being agitated by the driven screw.

7. The automatic powder adding device according to claim 4, wherein the weighing unit is located at the bottom of the housing and includes a load cell.

8. The automatic powder adding device according to claim 4, wherein the top of the housing further comprises a cover plate connected with the housing through a hydraulic cylinder for closing the feed port.

9. The automatic powder adding device according to any one of claims 1 to 8, further comprising a waterproof unit for sealing each unit of the automatic powder adding device and a connection thereof.

10. The automatic powder adding device according to any one of claims 1 to 8, further comprising a control unit communicatively connected to the weighing unit and the metering unit, for receiving an output signal of the weighing unit and controlling an output of the metering unit based on the output signal.