JPS6215199Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to an apparatus for automatically filling a fixed amount of liquid beverage or the like into a container made of deep-drawn plastic film.

A device that automatically packs and fills a large number of containers with a fixed amount of liquid beverages at once is generally configured to have a mechanism for measuring the liquid and a mechanism for opening and closing a filling valve, one for each filling port. The metering mechanism often uses a cylinder, diaphragm, bellows, etc., and the filling valve often uses a switching valve or an automatic valve. However, these conventional devices have drawbacks such as complicated filling mechanisms, high costs, large space requirements, and difficult cleaning operations.

The purpose of the present invention is to:
The objective is to enable highly accurate quantitative filling by controlling the gravity acting on the liquid flowing through the flow path and the viscosity of the liquid to be substantially constant.

The present invention consists of a liquid tank containing a liquid in which a large number of channels are aligned and bored at predetermined positions on the bottom, and a system that controls the opening and closing of the channels provided in the bottom of the tank in correspondence with the channels. In a filling device that is equipped with a plurality of valve bodies and that fills a fixed amount of liquid in the liquid tank into a large number of containers at once through the flow path, the height of the liquid level in the liquid tank is kept at a predetermined level. A liquid level detector is provided to maintain the temperature of the liquid in the liquid tank, and a tank is provided surrounding the liquid tank in which a constant temperature fluid is circulated to keep the temperature of the liquid in the liquid tank constant. There is.

In the above configuration, the level of the filling liquid is maintained within a certain range, and the temperature thereof is also maintained at a constant temperature by the constant temperature fluid circulating in the surrounding tank.
Then, when the cylinder operates and the valve body moves to open the valve, the filling liquid is simultaneously filled through the plurality of valve bodies.

Embodiments of the present invention will be described below with reference to the drawings.

The liquid tank 1 is provided with a lid 11 on the top, and the lid has a liquid level height detector 12 for detecting the liquid level in the tank, and is also provided with a liquid supply port 13 and a vent hole 14. The side wall surface of the liquid tank 1 has a double structure surrounding the tank, and includes an inlet 16 and an outlet 15 that communicate with the surrounding space.
A temperature-controlled liquid 17 is circulated from the tank 6 into the surrounding space, so that the liquid 5 in the tank can be maintained at a predetermined temperature.

A plurality of channels 18 are bored in the bottom of the liquid tank 1 in a predetermined arrangement shown in FIG. 2, and at the same time, a valve mechanism is provided integrally with the bottom of the liquid tank. That is, when a plurality of rod-shaped rotary valve bodies 2 that are operated simultaneously with respect to the linearly aligned flow passages 18 are arranged and arranged, and the through holes 21 of the valve bodies 2 are aligned with the flow passages 18. , the flow path leading to the outlet 19 is opened, and when rotation is applied and alignment with the flow path 18 is disrupted, the flow path is shut off. The same operation is transmitted to the plurality of rotary valve bodies 21 all at once by the valve drive mechanism 3, so that all of the many flow paths 18 are opened and closed at the same time.

A pinion 32 is fixed to each rotary valve element 2 via a pinion shaft 31, and a rack 33 which simultaneously meshes with these pinions 32 is operated by a cylinder 34, thereby giving the rotary valve elements 2 the same rotational motion to open and close the valve. The operation of the cylinder 34 is controlled by a timer (not shown) whose operation time is preset.

Next, the operation of this device will be explained. With the valve closed, the liquid 5 is first introduced into the tank from the liquid supply port 13 of the liquid tank 1, and the liquid level in the tank is maintained at a predetermined level by the liquid level height detector 12. . At the same time, another liquid 17 controlled at a predetermined temperature is circulated into the surrounding space to keep the temperature of the liquid 5 in the tank constant. After maintaining this state, the cylinder 34 is operated under timer control, and the rotary valve body 2 is rotated all at once via a transmission mechanism consisting of the rack 33 and pinion 32, thereby opening the flow path. let As a result, the liquid in the tank
is from the flow path 18 through the valve through hole 21 to the outlet 19.
From there, the container 4 is filled at a constant rate. The time from valve opening to valve closing is accurately controlled by a timer.

According to this device, the liquid in the tank flows out at a constant speed due to the gravity and viscous resistance of the liquid itself, the liquid in the tank is controlled at a constant level, and the filling time length is controlled by a timer. Therefore, the amount of filling in the container 4 is always ensured at a constant amount.

FIG. 4 shows another embodiment of the device of the present invention. That is, a valve plate 6 having a large number of through holes 16 is provided in place of the rotary valve body, and is configured to be slidably operated by a cylinder 35, and has exactly the same effect as the previous embodiment. You can expect good results.

According to the device of the present invention, accurate quantitative filling is possible while adjusting the liquid level and temperature.Moreover, since the device itself has a simple structure, the valve body can be easily removed, and the liquid supply Since sterilization and cleaning can be easily carried out by introducing cleaning steam through the mouth, there is no need to take the trouble of disassembling the drive mechanism for cleaning, making it sanitary and economical.

[Brief explanation of the drawing]

FIG. 1 is a partially omitted front sectional view showing the overall configuration of the liquid quantitative filling device according to the present invention. FIG. 2 is a plan sectional view taken along the - line in FIG. 1. FIG. 3 is a partial diagram of the valve drive mechanism. FIG. 4 is a sectional view of a valve mechanism portion showing another embodiment of the present invention. 1: Liquid tank, 11: Lid, 12: Liquid level height detector,
13: Liquid supply port, 14: Vent hole, 16: Inlet port, 15: Discharge port, 17: Temperature control liquid, 18:
Flow path, 19: Outlet, 2: Rotating valve body, 21: Through hole, 3: Valve drive mechanism, 31: Pinion shaft, 32:
Pinion, 33: Rack, 34: Cylinder, 4:
Container, 5: Liquid (liquid for filling).

Claims (1)

[Scope of utility model registration request] A liquid tank containing a liquid in which a number of channels are aligned and bored at predetermined positions on the bottom, and a plurality of valve bodies for controlling opening and closing of the channels provided at the bottom of the liquid tank corresponding to the channels. In a filling device for filling a fixed amount of liquid in a liquid tank into a large number of containers at once through the flow path, the filling device is configured to maintain a liquid level in the liquid tank at a predetermined level. Liquid quantification characterized in that a liquid level detector is provided, and a tank is provided around the liquid tank in which constant temperature fluid circulates to keep the temperature of the liquid in the liquid tank constant. filling equipment.