CN217554241U

CN217554241U - Liquid filling equipment

Info

Publication number: CN217554241U
Application number: CN202221395908.3U
Authority: CN
Inventors: 何显东; 张勇; 李大辉; 刘栋
Original assignee: Sichuan Pixian Douban Co ltd
Current assignee: Sichuan Pixian Douban Co ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-10-11
Anticipated expiration: 2032-06-07

Abstract

The application discloses liquid filling equipment, which relates to the technical field of filling machinery and comprises a liquid storage tank, wherein the liquid storage tank is provided with a plurality of liquid filling guide pipes, and each liquid filling guide pipe is provided with an electromagnetic valve; the liquid storage tank is provided with a liquid inlet pipe, the liquid inlet pipe is provided with a liquid level control valve, and the liquid level control valve is used for controlling the opening and closing of the liquid inlet pipe so as to keep the liquid level in the liquid storage tank constant; the timing module is connected with the electromagnetic valve and used for timing the connection time of the electromagnetic valve; and the controller is connected with the timing module and the electromagnetic valve. This application is under solenoid valve open mode, and liquid pours into the filling container with the constant speed under the invariable water pressure effect to after the predetermined filling time of process, the solenoid valve is closed and is stopped the filling, thereby has avoided external vibration to the influence of filling precision, has effectively guaranteed the accuracy of filling weight.

Description

Liquid filling equipment

Technical Field

The application relates to the technical field of filling machinery, in particular to liquid filling equipment.

Background

The existing liquid filling machine basically adopts a weighing module to measure, a filling signal is given out, a valve is opened to start filling, and the weighing module closes the valve to stop filling after measuring to a set value. The precision of the existing weighing module is influenced by factors such as external vibration, and the weighing module is damaged when the force is exerted more than 5 kilograms during manual cleaning.

SUMMERY OF THE UTILITY MODEL

The application mainly aims to provide a liquid filling equipment, aims at solving among the prior art weighing module and easily receives external vibration and influence the accurate problem of weighing.

The technical scheme adopted by the application is as follows:

a liquid filling device comprises a liquid storage tank, wherein the liquid storage tank is provided with a plurality of liquid filling guide pipes, and each liquid filling guide pipe is provided with an electromagnetic valve; the liquid storage tank is provided with a liquid inlet pipe, the liquid inlet pipe is provided with a liquid level control valve, and the liquid level control valve is used for controlling the opening and closing of the liquid inlet pipe so as to keep the liquid level in the liquid storage tank constant;

the timing module is connected with the electromagnetic valve and is used for timing the on-time of the electromagnetic valve;

and the controller is connected with the timing module and the electromagnetic valve.

Optionally, the liquid filling pipe is arranged downwards, and each liquid filling pipe is further provided with a first manual valve.

Optionally, a liquid level sensor is further arranged in the liquid storage tank.

Optionally, the liquid level sensor is connected with an alarm device, and the liquid level sensor and the alarm device are both connected with the controller.

Optionally, the liquid storage tank is further provided with an overflow port.

Optionally, the liquid filling apparatus further includes a conveyor belt for conveying the filling container, and a plurality of locking mechanisms are arranged at intervals along a conveying direction of the conveyor belt, and the locking mechanisms are used for aligning the filling container with the filling conduit.

Optionally, the locking mechanism comprises:

the clamping mechanism is used for clamping the filling container;

the telescopic mechanism is connected with the clamping mechanism and is used for driving the clamping mechanism to be close to or far away from the filling container;

and the sensing device is used for detecting the position of the filling container.

Optionally, the clamping mechanism is provided with a clamping cavity matched with the outer contour of the filling container.

Optionally, the telescopic mechanism and the sensing device are both connected with the controller.

Optionally, the liquid storage tank is further provided with a drain pipe, and the drain pipe is provided with a manual valve II.

Compared with the prior art, the beneficial effects of this application are:

the embodiment of the application provides a liquid filling equipment, through setting up the level control valve at the feed liquor pipe, utilize opening and close of level control valve control feed liquor pipe, make the liquid level in the liquid reserve tank be in same height all the time, thereby maintain invariable water pressure in the liquid reserve tank, under solenoid valve open mode, liquid pours into the filling container with the constant speed under invariable water pressure effect, and after the predetermined filling time of process, the solenoid valve is closed and stops the filling, thereby the influence of external vibration to the filling precision has been avoided, the accuracy of filling weight has effectively been guaranteed.

Drawings

Fig. 1 is a schematic structural diagram of a liquid filling apparatus provided in an embodiment of the present application at one viewing angle.

The reference numbers in the figures indicate:

100-a liquid storage tank, 101-a liquid inlet pipe, 102-a third manual valve, 200-a liquid level control valve, 300-a liquid filling guide pipe, 301-an electromagnetic valve, 302-a first manual valve, 400-a controller, 500-a liquid level sensor, 600-an overflow pipe, 700-a sewage discharge pipe, 701-a second manual valve, 800-a filling container, 900-a clamping mechanism, 901-a telescopic mechanism and 902-an induction device.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. 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.

It should be noted that all directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present application are only used to explain the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is 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 at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

Referring to fig. 1, an embodiment of the present application provides a liquid filling apparatus, including a liquid storage tank 100 and a controller 400, where the liquid storage tank 100 is elevated by an apparatus support to a certain height, a plurality of liquid filling conduits 300 are provided at the bottom of the liquid storage tank 100, the liquid filling conduits 300 are used to fill liquid to be filled into a filling container 800, an electromagnetic valve 301 is installed on each liquid filling conduit 300, each electromagnetic valve 301 is connected to a timing module, the timing module is used to time the on-time of the electromagnetic valve 301, the timing module and the electromagnetic valve 301 are connected to the controller 400, in a filling process, after the electromagnetic valve 301 is opened, the timing module is opened to time, after a preset time period, the controller 400 controls the electromagnetic valve 301 to close to complete filling. The top of liquid reserve tank 100 is provided with feed liquor pipe 101, install liquid level control valve 200 on the feed liquor pipe 101, utilize opening and close of liquid level control valve 200 control feed liquor pipe 101, thereby control feed liquor pipe 101 toward reservoir 100 in fluid infusion, maintain same height throughout with the liquid level in guaranteeing the liquid reserve tank 100, just so remain the pressure of constant voltage throughout in the liquid reserve tank 100, so under invariable hydraulic pressure gravity, irritate liquid pipe 300 and carry out the filling operation with invariable velocity of flow, so can keep the liquid weight of filling at every turn in the same time the same, the accuracy nature of filling has effectively been guaranteed.

In this embodiment, the liquid level control valve is also called a hydraulic water level control valve, has a function of automatically opening and closing a valve pipeline to control the water level, is suitable for various water tower (pool) automatic water supply systems in industrial and mining enterprises and civil buildings, can be used as a circulating water supply control valve of a normal pressure boiler, and has the advantages of small valve volume, simple and convenient installation, high starting sensitivity and small head loss without water hammer. The liquid level control valve generally comprises a valve rod, a valve seat, a spring, an upper valve body, a lower valve body, a needle valve, a diaphragm, a copper pipe, a floating ball device and other main parts, and the working principle of the liquid level control valve is that when the water level in a water tank or a water tower drops, the floating ball valve is opened to drain water, a piston in the valve is supported by pressure water in a water inlet pipe, a sealing surface is opened, the valve is opened to supply water, when the water level rises to the control valve, the floating ball valve is closed, the piston moves downwards to seal the sealing surface, and the valve stops supplying water. Based on the liquid level control valve, the automatic opening and closing function of the liquid inlet pipe is realized, so that liquid is supplemented timely, and the liquid level in the liquid storage tank is maintained stable.

The timing module is a module with timing function commonly used in the art, and will not be described herein.

The controller 400 is disposed in a control cabinet and configured with a touch screen, the controller is mainly used for controlling and calculating some algorithm programs, and a programmable controller such as a PLC may be selected as the controller.

In one embodiment, referring to fig. 1, the filling pipes 300 are disposed at the bottom of the tank 100 and vertically downward, so that the water pressure gravity can flow downward out of the filling pipes 300, and meanwhile, a first manual valve 302 is further installed on each filling pipe 300, since the first manual valve 302 is a pure mechanical structure, the failure rate of the first manual valve 302 is significantly lower than that of the electromagnetic valve 301, the filling pipe 300 can be closed by the first manual valve 302 during the daily production process if the electromagnetic valve 301 is damaged, thereby avoiding the liquid loss caused by the incapability of closing the filling pipe 300.

In one embodiment, referring to fig. 1, in order to prevent the liquid level control valve 200 from being damaged and failing to close the liquid inlet pipe 101, which may result in continuous liquid replenishment in the liquid storage tank 100, causing overflow, a third manual valve 102 is installed on the liquid inlet pipe 101, and when the liquid level control valve 200 is damaged, the liquid inlet pipe 101 may be closed by the third manual valve 102, thereby preventing the liquid storage tank 100 from overflowing due to continuous liquid replenishment.

In an embodiment, in order to prevent the liquid level control valve 200 from being damaged and cause the problem of the loss of the filling liquid due to the overflow of the liquid storage tank 100, as shown in fig. 1, an overflow hole is formed in a side wall of the liquid storage tank 100 close to the top of the tank, the overflow hole is connected with an overflow pipe 600, the overflow pipe 600 is externally connected with a temporary storage tank, so that when the liquid storage tank 100 overflows due to a fault, the filling liquid can flow into the temporary storage tank through the overflow pipe 600 through the overflow hole, thereby ensuring the environmental sanitation of the filling field and avoiding the waste of the filling liquid.

In an embodiment, since the liquid level control valve 200 may be damaged, if the liquid level control valve 200 is damaged and the liquid inlet pipe 101 cannot be closed in time, the liquid storage tank 100 may overflow due to being full, as shown in fig. 1, a liquid level sensor 500 is further disposed in the liquid storage tank 100, the liquid level sensor 500 is connected to an alarm device, and both the liquid level sensor 500 and the alarm device are connected to the controller 400. Therefore, when the liquid level sensor 500 monitors that the liquid level in the liquid storage tank 100 exceeds the preset maximum value, the liquid level is fed back to the controller 400, the controller 400 controls the alarm device to alarm, so that the personnel on duty can be reminded to check the equipment in time, the liquid inlet pipe 101 is closed, and the production is safe.

The liquid level sensor 500 is a pressure sensor for measuring liquid level, and the principle is based on the principle that the static pressure of the measured liquid is proportional to the height of the liquid, and an isolated diffused silicon sensitive element or a ceramic capacitance pressure sensitive sensor is adopted to convert the static pressure into an electric signal, and then the electric signal is converted into a standard electric signal through temperature compensation and linear correction. The liquid level sensor 500 may be classified into a contact type including a single-flange static pressure/double-flange differential pressure liquid level transmitter, a floating ball type liquid level transmitter, a magnetic liquid level transmitter, a drop-in type liquid level transmitter, an electric inner floating ball type liquid level transmitter, an electric float type liquid level transmitter, a capacitive type liquid level transmitter, a magnetostrictive liquid level transmitter, a servo liquid level transmitter, and the like, and a non-contact type. And non-contact type is classified into an ultrasonic level transmitter, a radar level transmitter, etc. As a preferred embodiment, the floating ball type liquid level sensor 500 is adopted in the present embodiment.

Of course, in this embodiment, the alarm device may be a daily sound and light alarm device.

In one embodiment, to facilitate the discharge of the liquid in the tank 100, the interior of the tank 100 is cleaned. Referring to fig. 1, a drain outlet is formed in the bottom of the liquid storage tank 100, the drain outlet is connected with a drain pipe 700, a second manual valve 701 is installed on the drain pipe 700, the drain pipe 700 can be connected with an overflow pipe 600, discharged sewage is placed into the temporary storage tank, and when sewage is drained, filling liquid overflowing from the temporary storage tank needs to be removed, and the sewage is stored separately.

In one embodiment, to complete the filling of the liquid, the liquid filling apparatus further includes a conveyor belt, and the filling container is conveyed to the filling pipe 300 by the conveyor belt for filling. Referring to fig. 1, a plurality of locking mechanisms are provided on the conveyor belt in the transport path for aligning the filling containers 800 conveyed from the conveyor belt with the filling tube 300 for filling. Specifically, the locking mechanism includes a clamping mechanism 900, a telescoping mechanism 901, and a sensing device 902, wherein:

the clamping mechanism 900 is a clamping plate, one side of the clamping plate facing the filling container is provided with a clamping cavity matched with the outer contour of the filling container 800, and one side of the clamping cavity facing the filling container 800 is provided with an opening;

the telescopic mechanism 901 is connected with the clamping mechanism 900 and used for driving the clamping mechanism 900 to be close to or far away from the filling container, the telescopic mechanism 901 can adopt telescopic devices such as telescopic rods or electric telescopic rods, the extending end of the telescopic mechanism 901 is fixedly connected with the clamping mechanism 900, so that when the filling container 800 reaches the filling catheter 300, the telescopic mechanism 901 extends to push the clamping mechanism 900 to the filling container 800, the clamping cavity is used for clamping the filling container 800, and meanwhile, the telescopic mechanism 901 is overhead through a supporting seat, so that the clamping mechanism 900 is located in the middle position of the filling container 800;

the sensing device 902 is installed near the filling pipe 300 for detecting the position of the filling container 800, and the sensing device 902 may be an infrared sensor.

The telescoping mechanism 901 and the sensing device 902 are both connected with the controller 400, and when the filling container 800 reaches the lower part of the filling conduit 300, the controller 400 receives a signal of the sensing device 902, so that the telescoping mechanism 901 is controlled to drive the clamping mechanism 900 to clamp the filling container 800.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A liquid filling apparatus, comprising:

the liquid storage tank (100) is provided with a plurality of liquid filling guide pipes (300), and each liquid filling guide pipe (300) is provided with an electromagnetic valve (301); the liquid storage tank (100) is provided with a liquid inlet pipe (101), the liquid inlet pipe (101) is provided with a liquid level control valve (200), and the liquid level control valve (200) is used for controlling the opening and closing of the liquid inlet pipe (101);

the timing module is connected with the electromagnetic valve (301) and is used for timing the connection time of the electromagnetic valve (301);

a controller (400), the controller (400) being electrically connected to the timing module and the solenoid valve (301).

2. Liquid filling apparatus according to claim 1, wherein said filling conduits (300) are downwardly disposed and each of said filling conduits (300) is further provided with a first manual valve (302).

3. The liquid filling apparatus according to any one of claims 1 to 2, wherein a liquid level sensor (500) is further disposed in the liquid storage tank (100), and the liquid level sensor (500) is electrically connected to the controller (400).

4. The liquid filling apparatus according to claim 3, wherein an alarm device is connected to the liquid level sensor (500), and the alarm device is electrically connected to the controller (400).

5. Liquid filling apparatus according to claim 1, wherein the reservoir (100) is further provided with an overflow.

6. The liquid filling apparatus according to claim 1, further comprising a conveyor belt for conveying the filling container (800), wherein a plurality of locking mechanisms are provided at intervals along a conveying direction of the conveyor belt, and the locking mechanisms are used for aligning the filling container (800) with the filling duct (300).

7. The liquid filling apparatus according to claim 6, wherein the locking mechanism includes:

a gripping mechanism (900), the gripping mechanism (900) for gripping the filling container (800);

the telescopic mechanism (901), the telescopic mechanism (901) is connected with the clamping mechanism (900) and is used for driving the clamping mechanism (900) to approach or depart from the filling container (800);

a sensing device (902), the sensing device (902) being configured to detect a location of the filling container (800).

8. Liquid filling apparatus according to claim 7, wherein the clamping means (900) is provided with a clamping cavity that fits the outer contour of the filling container (800).

9. Liquid filling apparatus according to claim 7, wherein the telescopic mechanism (901) and the sensing device (902) are both connected to the controller (400).

10. Liquid filling apparatus according to claim 1, wherein the tank (100) is further provided with a drain (700), the drain (700) being provided with a second manual valve (701).