JPS5844558B2 - Container support device in rotary liquid filling machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION In a rotary liquid filling machine, the filling liquid in the container overflows due to the centrifugal force during rotation, so for example, as seen in Japanese Patent Laid-Open No. 48-77984, the upper end of the container is turned inward. It is known that the container is filled while being inclined, and after filling, the inclination is gradually restored to the horizontal state and the container is transferred to the next process.

However, in this method, since the container moves while sliding on a fixed moving path, the liquid level vibrates due to the sliding friction of the container against the fixed path, and there is a drawback that it cannot reliably prevent the filling liquid from overflowing. This tendency becomes even more pronounced as the scale and rotational speed of the filling machine increases to improve efficiency.

The present invention has been made to improve such defects in rotary liquid filling machines. A support frame that rotates integrally with the support frame is provided, and the outside of the lower part of the container support is pivotally attached to the upper part of the support frame, and the lower end of the support rod protruding from the inside of the lower part of the container support is connected to the container via the trochanter. The gist is that the container support is made to be able to tilt freely by slidingly contacting the guide cam rail.

To explain an embodiment of the present invention with reference to the drawings, a bifurcated support frame 2 protruding and fixed at appropriate intervals around a rotary table 1 which is rotated by an appropriate mechanism has a container support frame 3 having a container holding frame 3 on the upper part. 4 is pivoted via a support piece 5 protruding from the outside of the lower part thereof, and a spring 6 is stretched between the inner end of the container support 4 and the bifurcated support frame 2 to support the container support 4. Forced downwards.

Further, on the inside of the support piece 5 of the container support base 4, a support rod 8 having a trochanter 7 at its lower end projects downwardly. The structure is such that the container support 4 is inclined inward during sliding contact and filling, and after filling, the container support 4 is gradually restored to its inclination while being transferred to the next process.

An annular liquid storage tank 11 that rotates integrally with the rotary table 1 is installed above the rotary table 1, and a filling valve 12 is inclined at the bottom of the liquid storage tank 11 so as to correspond to the container support 4. It is set up in a shape.

Each filling valve 12 includes a fixed cylinder 13 fixed to the liquid storage tank 11, a sliding nozzle 14 slidably fitted to the fixed cylinder, and a lower end fixed to the center of the sliding nozzle. a vent pipe 16 having a valve seat 15 at the bottom; an opening/closing nozzle 17 slidably fitted to the outside of the lower part of the sliding nozzle 14 and having its lower end supported by the valve seat 15;
and a spring 18 which is stretched between the sliding nozzle 14 and urges the opening/closing nozzle 16 downward, and a pad case 19 which is fixed to the lower end of the opening/closing nozzle 17 and supports the mouth edge of the container.

Also, an overhang frame 2 protruding to the outside of the lower part of the liquid storage tank 11
0, the base end of a holding arm 22 which supports a sliding nozzle 14 at its tip and whose substantially central portion is urged downward by a spring 21 is pivoted, and the overhanging frame 20 is further provided with a roller 23 at its front end. An actuating lever 25 having a roller 24 at each end is pivotally supported in front of the center thereof, the roller 23 is located at the lower part of the spring attachment part of the holding arm 22, and the roller 24 is connected to a nozzle provided in the machine frame 26. The pressure is controlled by colliding with the lower surface of the operating cam rail 27, and the holding arm 22 is normally raised and held, and during filling, the pressing action of the operating lever 25 is released by the nozzle operating cam rail 27, and the holding arm 22 is moved downward by the spring 21. It is formed to slide the sliding nozzle 14 downward when energized.

Next, an appropriate number of air cylinders 28 are installed at the bottom of the liquid storage tank 11, and the lower end of the piston 29 of the coyer cylinder 28 is fixed to an annular lifting frame 30, and each air cylinder 28 is provided outside the lifting frame 30. Opening/closing nozzle 17 for filling pulp 12
Engagement pieces 32 that engage the upper end engagement edge 31 are fixed to each other. In particular, the engagement pieces 32 that are pressed when the air cylinder 28 is not in operation are located at the pad case 1 of the opening/closing nozzle 17.
Even when the retaining piece 32 is lowered to a position where it collides with the mouth edge of the container A (No. 9), the retaining piece 32 is still held at such a low position that it does not engage the upper end retaining edge 31 of the opening/closing nozzle 17.

. In the figure, 33 is a tilt prevention stopper for the container support 4;
34 is a stopper for preventing the holding arm 22 from falling; 35 is a liquid passage provided between the sliding nozzle 14 and the valve seat 15; and 36 is an elastic pad fitted into the pad case 19.

Since the embodiment of the present invention is constructed as described above, when the filling machine is rotated, the container support 4 whose outer end is pivoted to each support frame 2 of the rotary table 1 is rotated by the rotation of the support rod 8. The child 7 is guided by a container guide cam rail 10 and moves the container A to the filling position while tilting.

Thus, in the filling position the nozzle actuating cam rail 27
The pressure restriction on the operating lever 25 is released, and the holding arm 22 slides the sliding nozzle 14 downward by the spring 21,
Due to this downward action, the spring 18 is fitted into the sliding nozzle 14 and
The opening/closing nozzle 17 connected to the opening/closing nozzle 17 also descends at the same time, and its pad case 19 is stopped against the rim of the container A.

On the other hand, the sliding nozzle 14 continues to move downward against the spring 18, and the valve seat 15 integrated therewith projects from the opening/closing nozzle 17, and liquid is filled into the container A from the liquid passage 35.

When the filling is completed in this way, the nozzle operating cam rail 27 presses the roller 24 of the operating lever again, and the roller 23 at the front end lifts the holding arm 22 upwards, and the sliding nozzle 1
4 is raised to stop the filling operation, and the opening/closing nozzle 17 also rises from the edge of the container to complete the filling operation.After filling the container A, the container guide cam rail 10 moves through the trochanter T to stop the filling operation. The support base 4 is gradually restored to a horizontal state and transferred to the next processing step.

Next, if the liquid storage tank 11 and each filling pulp 12 are to be washed 7 or heated to a certain temperature in advance, the air cylinder 28 is activated and the elevating frame 30 is raised to position each engaging piece 32. When the filling machine is rotated as described above with the opening/closing nozzle 17 lifted up to the top, the downward action of the opening/closing nozzle 17, which descends together with the sliding nozzle 14, is applied to the engaging piece 32 instead of the rim of the container A.
is stopped by locking the upper end locking edge 31 of the opening/closing nozzle 17, and each filling valve 12 performs an opening/closing operation similar to the filling operation in the filling position and discharges the washing water or heated water.

The nozzle actuating cam rail 27 in the embodiment of the present invention always presses the actuating lever 25 and releases the pressing action at the time of filling, so there is no problem in omitting it in the filling part. .

The present invention provides a rotary liquid filling machine that fills containers while tilting them inward. A support frame for integrally rotating the filling valves is provided below each filling valve. In addition, the trochanter at the lower end of the support rod protruding from the inside of the support rod is brought into sliding contact with the container guide cam rail, so each container support can move smoothly with each container with less frictional resistance due to rolling contact with the container guide cam rail. It has an excellent feature of being able to fill and transfer each container and its liquid without giving any vibration, and also to be able to restore the container horizontally for transfer to other processing steps very smoothly and easily.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a partially cutaway front view of the present invention, and FIGS. 2 and 3 are cross-sectional plan views of essential parts of the present invention. 2... Support frame, 3... Container holding frame, 4... Container support base, 6... Spring, 7... Trochanter, 8... Support rod, 1
0...Container guide cam rail.

Claims (1)

[Scope of Claims] 1. A rotary liquid filling machine that is installed at an angle on a rotating liquid storage tank and in which the filling valve itself opens and closes, has a support frame that rotates integrally with the filling valve below each filling valve. The container support is tilted by pivoting the lower outer side of the container support to the upper part of the support frame, and slidingly contacting the lower end of the support rod protruding from the lower inner side of the container support with the container guide cam rail via the trochanter. A flexible container support device for a rotary liquid filling machine. 2. A container support device for a rotary liquid filling machine according to claim 1, wherein a container holding frame is provided on a container support stand. 3. A container support device for a rotary liquid filling machine according to claim 1, wherein the inner end of the container support is urged downward by a spring.