CN213932781U

CN213932781U - Weightlessness type liquid metering machine

Info

Publication number: CN213932781U
Application number: CN202023334690.4U
Authority: CN
Inventors: 叶乃阔; 张君松
Original assignee: Dongguan Tongrui Machinery Co ltd
Current assignee: Dongguan Tongrui Machinery Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-08-10
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a weightless formula liquid metering machine, including the workstation, be provided with the screw pump in the workstation, the sensing device of weighing is installed to the upper end of workstation, and the stock solution bucket is installed to the sensing device's of weighing upper end, is provided with the high-pressure air current agitator on the stock solution bucket, and the lower extreme of stock solution bucket is provided with conveyor, and the upper end of screw pump is provided with the transport inlet pipe, and the side of screw pump is provided with the delivery pipe mouth, and conveyor connects the pan feeding mouth of stock solution bucket and screw pump, and the discharge end of screw pump extends outside the workstation. The utility model can keep measuring and monitoring the liquid in real time through the weighing sensor, and ensure the precision of the quality of the liquid to be conveyed; the utility model discloses be provided with the high-pressure draught agitator, the operation of high-pressure draught agitator can prevent to glue because of liquid in the oil storage bucket and glue the production precipitate.

Description

Weightlessness type liquid metering machine

Technical Field

The utility model belongs to the technical field of the liquid measurement, a weightlessness formula liquid measurement machine is related to.

Background

In the production processes of machining, chemical industry, chemistry etc., need carry out the process of liquid batching, and the liquid metering machine operation and the structure of prior art are complicated and trivial details, need the staff through manual measurement and material loading when the feeding at every turn at the in-process of feeding, and work efficiency is extremely low and the record precision is difficult to ensure.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model adopts the following technical scheme:

the weightless liquid metering machine comprises a workbench, wherein a screw pump is arranged in the workbench, a weighing sensing device is arranged at the upper end of the workbench, a liquid storage barrel is arranged at the upper end of the weighing sensing device, a high-pressure airflow stirrer is arranged on the liquid storage barrel, a conveying device is arranged at the lower end of the liquid storage barrel, the conveying device is connected with a feeding port of the liquid storage barrel and the screw pump, and a discharging end of the screw pump extends out of the workbench.

Preferably, the liquid storage barrel comprises a barrel body, a discharge port extends downwards from the lower end of the barrel body, a barrel cover is arranged at the upper end of the barrel body, and a feed port and a mounting hole are formed in the barrel cover.

Preferably, the high-pressure airflow stirrer comprises an air cylinder, a mounting pad is mounted at the lower end of the air cylinder, an air inlet pipe extends outwards from the side end of the air cylinder, a vertical stirring transmission shaft is arranged at the lower end of the air cylinder, the upper end of the stirring transmission shaft is in transmission connection with the air cylinder, and a stirring fan block is arranged at the lower end of the stirring transmission shaft; the cylinder and the mounting pad are mounted at the upper end of the mounting hole of the barrel cover, and the stirring transmission shaft penetrates through the mounting hole and extends into the barrel body.

Preferably, the conveying device comprises a conveying valve, and the lower end of the conveying valve is connected with a vertical conveying pipe; the discharge port of the barrel body is connected with the upper end of the delivery valve, and the lower end of the delivery pipe is connected with the feed inlet of the screw pump.

Preferably, the weighing sensing device comprises a weighing protective cover which is penetrated through the middle part, a weighing sensor is arranged in the weighing protective cover, the weighing sensor is arranged at the upper end of the workbench, and the upper end of the weighing sensor is connected with the weighing protective cover; a plurality of trapezoidal supporting blocks are installed at the upper end of the weighing protective cover, and the upper ends of the supporting blocks are abutted to the bottom of the barrel body.

The utility model has the advantages that:

the utility model can keep measuring and monitoring the liquid in real time through the weighing sensor, and ensure the precision of the quality of the liquid to be conveyed; the utility model discloses be provided with the high-pressure draught agitator, the operation of high-pressure draught agitator can prevent to glue because of liquid in the oil storage bucket and glue the production precipitate.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic side-sectional structure of the present invention.

Fig. 3 is a schematic structural view of the weighing sensor device of the present invention.

Fig. 4 is a schematic structural view of the high-pressure airflow agitator of the present invention.

Fig. 5 is a schematic view of the liquid storage barrel of the present invention.

Fig. 6 is a schematic view of the internal overall structure of the present invention.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it should be understood that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments, and it should be understood that the present application is not limited to the example embodiments disclosed and described herein. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The utility model provides a please refer to fig. 1 ~ 6, in the embodiment of the utility model, a weightless formula liquid metering machine, including workstation 1, be provided with screw pump 6 in the workstation 1, weighing sensing device 2 is installed to workstation 1's upper end, and stock solution bucket 3 is installed to weighing sensing device 2's upper end, is provided with high-pressure air current agitator 4 on the stock solution bucket 3, and the lower extreme of stock solution bucket 3 is provided with conveyor 5, and conveyor 5 connects stock solution bucket 3 and the pan feeding mouth with screw pump 6, and the discharge end of screw pump 6 extends to outside the workstation. The liquid storage barrel 3 stores liquid, the liquid enters the screw pump 6 from the conveying device 5 through a conveying feeding pipe 63 of the screw pump 6, the weighing sensing device 2 carries out weighing monitoring on the weight of the liquid storage barrel 3 in real time, the feeding speed is judged according to the reduction speed of the weight in the liquid storage barrel 3, if the feeding speed is larger than a required value, the feeding speed is reduced by reducing the working power of the screw pump 6, otherwise, the working power of the screw pump 6 is increased to improve the feeding speed; the high-pressure airflow stirrer 4 stirs the liquid in the liquid storage barrel 3 to prevent the generation of precipitate in the liquid storage barrel 3.

It should be noted that the determination of the data and the control of the screw pump 6 are both performed by an external existing numerical control system, which is a common prior art in the field of feed control technology, and which is available to a person skilled in the art without any creative effort, and is not a technical content required to be protected by the present application, and thus, it is not described in the present application.

The liquid storage barrel 3 comprises a barrel body 31, a barrel cover 32 is arranged at the upper end of the barrel body 31, a discharge hole 35 extends downwards from the lower end of the barrel body 31, and a feed hole 33 and a mounting hole 34 are arranged on the barrel cover 32;

the high-pressure airflow stirrer 4 comprises a cylinder 41, a mounting pad 43 is arranged at the lower end of the cylinder 41, an air inlet pipe 42 extends outwards from the side end of the cylinder 41, a vertical stirring transmission shaft 44 is arranged at the lower end of the cylinder 41, the upper end of the stirring transmission shaft 44 is in transmission connection with the cylinder 41, and a stirring fan block 45 is arranged at the lower end of the stirring transmission shaft 44; the cylinder 41 and the mounting pad 43 are mounted on the upper end of the mounting hole 34 of the tub cover 32, and the agitation transmission shaft 44 extends through the mounting hole 34 to the inside of the tub 31. Liquid enters the barrel body 31 from the feed inlet 33 of the liquid storage barrel 3, and high-pressure gas enters the cylinder 41 from the gas inlet pipe 42 to enable the stirring transmission shaft 44 to rotate, so that the stirring fan block 45 is driven to rotate and stir, and the liquid is prevented from being sticky and precipitating at the bottom of the barrel.

The conveying device 5 comprises a conveying valve 52, and the lower end of the conveying valve 52 is connected with a vertical conveying pipe 51; the discharge port 35 of the tub 31 is connected to the upper end of the delivery valve 52, and the lower end of the delivery pipe 51 is connected to the delivery feed pipe 63 of the screw pump 6. The liquid in the barrel body 31 enters the screw pump 6 from the discharge port 35, the screw pump 6 operates, and the liquid is delivered to the outside from the delivery nozzle 64.

The weighing sensing device 2 comprises a weighing protective cover 21 with a middle part penetrating through, a weighing sensor 23 is arranged in the weighing protective cover 21, the weighing sensor 23 is arranged at the upper end of the workbench 1, and the upper end of the weighing sensor 23 is connected with the weighing protective cover 21; the upper end of the weighing protection cover 21 is provided with a plurality of trapezoidal supporting blocks 22, and the upper ends of the supporting blocks 22 are abutted against the bottom of the barrel body 31. The supporting shoe 22 supports the bottom of the liquid storage barrel 3, so that the liquid storage barrel 3 is evenly stressed when being installed, and the liquid storage barrel 3 is installed on the weighing protective cover 21.

Liquid is added into the barrel body 31 from the feed inlet 33, the high-pressure airflow stirrer 4 is started, high-pressure gas enters the air cylinder 41 from the air inlet pipe 42, the high-pressure airflow stirrer 4 operates to enable the stirring fan block 45 to rotate and stir in the liquid, the viscous liquid is prevented from settling, the weighing sensor 23 of the weighing sensing device 2 is started to keep the measurement and monitoring of the liquid storage barrel 3, data are transmitted to external system equipment, the liquid in the liquid storage barrel 3 flows into the conveying pipe 51 through the conveying valve 52 of the conveying device 5, the conveying pipe 51 conveys the liquid into the screw pump 6, the screw pump 6 is controlled to be started by the external system equipment, when the weight sensor 23 calls that the change quantity of the weight of the liquid storage barrel 3 in unit time does not reach a set value, the external system equipment regulates the screw pump 6, the conveying speed of the screw pump 6 is increased, when the weight sensor 23 calls that the change quantity of the weight of the liquid storage barrel 3 in unit time is larger than the set value, the external system equipment conditions the screw pump 6 so that the transport efficiency of the screw pump 6 is reduced and the screw pump 6 operates to expel liquid from the feed line 63.

It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a weightlessness formula liquid measurement machine, includes the workstation, is provided with screw pump in the workstation, its characterized in that: the upper end of the workbench is provided with a weighing sensing device, the upper end of the weighing sensing device is provided with a liquid storage barrel, a high-pressure airflow stirrer is arranged on the liquid storage barrel, the lower end of the liquid storage barrel is provided with a conveying device, the conveying device is connected with the liquid storage barrel and a feeding port of a screw pump, and a discharging end of the screw pump extends out of the workbench.

2. A loss-in-weight liquid metering machine as claimed in claim 1, wherein: the liquid storage barrel comprises a barrel body, a discharge port extends downwards from the lower end of the barrel body, a barrel cover is arranged at the upper end of the barrel body, and a feed port and a mounting hole are formed in the barrel cover.

3. A loss-in-weight liquid metering machine as claimed in claim 2, wherein: the high-pressure airflow stirrer comprises an air cylinder, a mounting pad is mounted at the lower end of the air cylinder, an air inlet pipe extends outwards from the side end of the air cylinder, a vertical stirring transmission shaft is arranged at the lower end of the air cylinder, the upper end of the stirring transmission shaft is in transmission connection with the air cylinder, and a stirring fan block is arranged at the lower end of the stirring transmission shaft;

the cylinder and the mounting pad are mounted at the upper end of the mounting hole of the barrel cover, and the stirring transmission shaft penetrates through the mounting hole and extends into the barrel body.

4. A loss-in-weight liquid metering machine as claimed in claim 2, wherein: the conveying device comprises a conveying valve, and the lower end of the conveying valve is connected with a vertical conveying pipe;

the discharge port of the barrel body is connected with the upper end of the delivery valve, and the lower end of the delivery pipe is connected with the feed inlet of the screw pump.

5. A loss-in-weight liquid metering machine as claimed in claim 1, wherein: the weighing sensing device comprises a weighing protective cover which is penetrated through the middle part, a weighing sensor is arranged in the weighing protective cover, the weighing sensor is arranged at the upper end of the workbench, and the upper end of the weighing sensor is connected with the weighing protective cover;

a plurality of trapezoidal supporting blocks are installed at the upper end of the weighing protective cover, and the upper ends of the supporting blocks are abutted to the bottom of the barrel body.