CN219869930U - Accurate weighing device of liquid - Google Patents

Abstract

The utility model aims to provide a liquid accurate weighing device, which solves the problem of inaccurate liquid weighing, and comprises a containing barrel, a filter vat and an electronic scale, wherein an input pipeline is arranged between the containing barrel and the filter vat, two ends of the input pipeline are respectively communicated with the inside of the containing barrel and the inside of the filter vat, the input pipeline extends to the bottom of the inside of the containing barrel, an oil pump is arranged on the input pipeline and is used for providing power for liquid flowing in the input pipeline, a filter screen for filtering liquid is arranged in the filter vat, a liquid outlet pipe is arranged at the bottom of the filter vat, and a liquid storage barrel is arranged corresponding to the liquid outlet end of the liquid outlet pipe.

Description

Accurate weighing device of liquid

Technical Field

The utility model relates to the field of resetting equipment, in particular to a liquid accurate weighing device.

Background

At present, when various production enterprises, especially when liquid oil is used, different liquid mixing ratios are needed, the accurate weight of each liquid is required to be ensured, the traditional method is relatively difficult to mix the liquid weight, the manual adding mode is generally adopted, the amount of the liquid weight is generally needed to be added into a container by virtue of manual experience, and then the container is placed on a scale for weighing, or the liquid is directly added on the scale, so that the needed weight is obtained, the process is complicated, the operability difficulty is high, the weight precision is difficult to ensure, and the weight dispensed each time has errors.

Patent document CN101832809a discloses a liquid weighing device, which can accurately weigh liquid though a pipe is connected to one end of each of the conveying devices via each flow control valve, but the corresponding device does not have cleaning of various barrels.

Patent document CN213397306U discloses an automatic control liquid weighing device, although there is also a controller, an electromagnetic reversing valve, an electronic scale, etc. which are mutually matched, and a flow switch, however, the liquid will be attached to the pipeline, and finally there is still a weight which is less than that of the actual liquid according to the set standard.

Aiming at the defects and production needs of the prior art, a new accurate weighing device is required to be arranged.

Disclosure of Invention

The utility model aims to provide a liquid accurate weighing device, which solves the problem of inaccurate weighing of a weighed liquid.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a liquid accurate weighing device which comprises a containing barrel, a filter vat and an electronic scale, wherein an input pipeline is arranged between the containing barrel and the filter vat, two ends of the input pipeline are respectively communicated with the inside of the containing barrel and the inside of the filter vat, the input pipeline extends to the bottom of the inside of the containing barrel, an oil pump is arranged on the input pipeline and is used for providing power for liquid flowing in the input pipeline, a filter screen used for filtering the liquid is arranged in the filter vat, a liquid outlet pipe is arranged at the bottom of the filter vat, a liquid storage barrel is arranged corresponding to the liquid outlet end of the liquid outlet pipe, the liquid storage barrel is arranged on the electronic scale, the liquid outlet end of the liquid outlet pipe is communicated with the inside of the liquid storage barrel, and a liquid outlet valve is arranged on the liquid outlet pipe.

Optionally, the filter vat is inclined at an angle towards the outlet pipe.

Optionally, a bracket is disposed corresponding to the filter vat, and the bracket supports the filter vat.

Optionally, a waste liquid pipe is arranged at the bottom of the filter vat, and a waste liquid valve is arranged on the waste liquid pipe.

Optionally, an auxiliary pipe is arranged on the liquid outlet pipe, two ends of the auxiliary pipe are communicated with the inside of the liquid outlet pipe, and the diameter of the auxiliary pipe is smaller than that of the liquid outlet pipe.

Further, the liquid outlet valve is positioned between two ends of the auxiliary pipe.

Further, an auxiliary valve is provided on the auxiliary pipe.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

according to the liquid accurate weighing device, the auxiliary pipe is a thin pipe, so that the flow is small, meanwhile, the flow in unit time can be known, and therefore the opening times and the opening interval time of the auxiliary valve can be determined, the liquid flow can be very accurate, and the problem of inaccurate weighing of the liquid is solved.

Furthermore, the accurate liquid weighing device can save people and time and improve the working efficiency.

Drawings

Some specific embodiments of the utility model will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:

fig. 1 is a schematic structural view of embodiment 1 according to the present utility model;

fig. 2 is a schematic structural view of embodiment 2 according to the present utility model.

Wherein reference numerals are as follows:

1. a material containing barrel;

2. a filter vat;

21. a waste liquid pipe;

22. a waste liquid valve;

3. an electronic scale;

4. an input pipe;

5. an oil pump;

6. a filter screen;

7. a liquid outlet pipe;

71. an auxiliary tube;

72. an auxiliary valve;

8. a liquid storage barrel;

9. a liquid outlet valve;

10. and (3) a bracket.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Example 1

The device according to the utility model shown in fig. 1 comprises a storage tank 1, a filter tank 2 and an electronic scale 3, wherein the weight data of the electronic scale 3 are displayed by a display screen, the storage tank 1 is used for storing original liquid, such as liquid oil, but the oil can be usually provided with impurities or small particles, the oil is taken out to have defects in use, an oil pump 5 is started, and the oil is conveyed into the filter tank 2 through an input pipeline 4.

The input pipeline 4 stretches into the bottom of the containing barrel 1, liquid oil is pumped out to the greatest extent, the input pipeline 4 is divided into two sections, the two sections are respectively connected with the input end and the output end of the oil pump 5, the oil pump 5 is the flowing power of oil, a filter screen 6 for filtering liquid is arranged in the filter barrel 2, the filter screen 6 is arranged on the upper portion of the filter barrel 2, the filter screen 6 can be provided with double layers or multiple layers according to different liquids, the filtering effect is achieved, and the filter screen 6 is tiled.

The liquid outlet pipe 7 is arranged at the bottom of the filter vat 2, the filter vat 2 can be provided with a flat bottom, the liquid outlet pipe 7 is communicated with the inside of the filter vat 2 at the bottom of the periphery of the filter vat 2, liquid flows out to the maximum extent, the liquid storage barrel 8 is arranged corresponding to the liquid outlet of the liquid outlet pipe 7, the liquid storage barrel 8 is used for collecting filtered liquid, the liquid storage barrel 8 is arranged at the bottom of the liquid outlet pipe 7, the position of the upper end of the liquid storage barrel 8 is lower than the liquid outlet of the liquid outlet pipe 7, the liquid is directly introduced into the liquid storage barrel 8, the liquid outlet pipe 7 is communicated with the inside of the top end of the liquid storage barrel 8, the liquid outlet valve 9 is arranged on the liquid outlet pipe 7, and the liquid outlet pipe 7 is respectively connected with the liquid inlet end and the liquid outlet end of the liquid outlet valve 9.

The liquid storage barrel 8 is arranged on the electronic scale 3, the electronic scale 3 is set to be zeroed at the beginning, when the liquid in the liquid storage barrel 8 is more and more, the weight of the electronic scale 3 is heavier, and the electronic scale 3 is provided with a display, so that the actual weight can be read.

The filter vat 2 is inclined at an angle of 3-5 deg. towards the outlet pipe 7, so that the liquid in the filter vat 2 flows out to the greatest extent by the inclination, and the connection part of the outlet pipe 7 and the filter vat 2 is at the lowest position.

The support 10 is arranged corresponding to the filter vat 2, the support 10 is used for supporting the filter vat 2, and when the material containing vat 1 and the filter vat 2 are both required to be cleaned, the support 10 can also be used for hanging the liquid outlet pipe 7 and placing the oil pump 5.

The filter vat 2 bottom is provided with waste liquid pipe 21, just after the inside cleanness of filter vat 2, the waste liquid just needs to be discharged, just is discharged through this waste liquid pipe 21, is provided with waste liquid valve 22 on waste liquid pipe 21 simultaneously, when the waste liquid is discharged to needs, filter vat 2 need not incline, or the outside protrusion of filter vat 2 bottom is the concave surface like this, and waste liquid nature is in the concave surface, still contains less granule in the liquid after the filtration, falls into the concave surface again, need not flow out along with drain pipe 7.

An auxiliary pipe 71 is arranged on the liquid outlet pipe 7, both ends of the auxiliary pipe 71 are communicated with the inside of the liquid outlet pipe 7, the diameter of the auxiliary pipe 71 is smaller than that of the liquid outlet pipe 7, and the auxiliary pipe 71 is normally started only when the liquid outlet valve 9 is closed.

The liquid outlet valve 9 is located between the two ends of the auxiliary pipe 71, and because the two ends of the auxiliary pipe 71 are communicated with the liquid outlet pipe 7, the liquid outlet valve 9 is still arranged on the liquid outlet pipe 7, but the liquid outlet valve 9 is arranged at the middle position where the two ends of the auxiliary pipe 71 are communicated with the liquid outlet pipe 7, so that the liquid outlet valve 9 only controls the liquid flow of the liquid outlet pipe 7.

The auxiliary pipe 71 is provided with an auxiliary valve 72, and the auxiliary valve 72 is used to control the flow rate of the liquid in the auxiliary pipe 71.

The outlet valve 9 and the auxiliary valve 72 in the utility model are all electromagnetic valves, and the oil pump 5 can be customized.

Example 2

As shown in fig. 2, unlike the embodiment 1, the filter screen 6 is depressed in the middle of the filter screen 6, and the middle position is lower than the peripheral position, so that particles in the liquid fall in the middle of the filter screen 6, facilitating the subsequent cleaning work.

The working principle is as follows:

the oil pump 5 and the liquid outlet valve 9 are opened, the weight of liquid to be used is set as a, when the weight in the liquid storage barrel 8 reaches b, b is smaller than a, but b is close to a, data are known from the electronic scale 3, b is known, the liquid outlet valve 9 is closed, and the auxiliary valve 72 is opened;

although the liquid outlet valve 9 is closed, a small amount of liquid flows to the liquid storage barrel 8 from the inner wall of the liquid outlet pipe 7, the weight is calculated, the opening time t is set by the opened auxiliary valve 72, then the auxiliary valve is closed, the flow v in unit time of the auxiliary pipe 71 can be known, the weight is known according to the liquid density ρ, the number of times n= (a-b)/vρt of opening and closing the auxiliary valve 72 is calculated manually, meanwhile, the number of times and the time of opening the auxiliary valve 72 can be known by calculating the residual liquid on the inner wall of the liquid outlet pipe 7 and the residual liquid on the inner wall of the auxiliary pipe 71 together, and the range of very small positive and negative errors of the expected value a can be reached.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims (7)

1. The utility model provides a accurate weighing device of liquid, its characterized in that includes flourishing bucket (1), filter vat (2) and electronic scale (3), flourishing bucket (1) with be provided with input pipeline (4) between filter vat (2), input pipeline (4) both ends respectively with flourishing bucket (1) with filter vat (2) inside communicates with each other, and input pipeline (4) extend to flourishing bucket (1) inner bottom, be provided with oil pump (5) on input pipeline (4), oil pump (5) are used for providing power to the liquid is in input pipeline (4) flow filter screen (6) that are used for filtering liquid are provided with in filter vat (2) bottom be provided with drain pipe (7), have stock solution bucket (8) that the drain end corresponds the setting of drain pipe (7), bucket (8) set up on electronic scale (3), the drain end of drain pipe (7) with stock solution bucket (8) inside communicates with each other, be provided with drain valve (9) on drain pipe (7).

2. A liquid accurate weighing apparatus according to claim 1, characterized in that the filter vat (2) is inclined at an angle towards the outlet pipe (7).

3. The accurate liquid weighing device according to claim 1, characterized in that a bracket (10) is arranged corresponding to the filter vat (2), and the bracket (10) supports the filter vat (2).

4. The liquid accurate weighing device according to claim 1, characterized in that a waste liquid pipe (21) is arranged at the bottom of the filter vat (2), and a waste liquid valve (22) is arranged on the waste liquid pipe (21).

5. The accurate liquid weighing device according to claim 1, characterized in that an auxiliary tube (71) is arranged on the liquid outlet tube (7), two ends of the auxiliary tube (71) are communicated with the inside of the liquid outlet tube (7), and the diameter of the auxiliary tube (71) is smaller than that of the liquid outlet tube (7).

6. A liquid accurate weighing apparatus according to claim 5, characterized in that said liquid outlet valve (9) is located between the two ends of said auxiliary tube (71).

7. A liquid accurate weighing apparatus according to claim 5, characterized in that an auxiliary valve (72) is provided on said auxiliary tube (71).