JPH03188933A - Mixing device of container content - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

Detailed Description of the Invention "Field of Industrial Application" The present invention relates to a device for mixing two or more types of powder, granules, liquids, etc. in a container filled with the container. The present invention relates to a mixing device that mixes the contents of a container by storing and holding the containers in a holding frame supported by a rotating shaft and rotating the holding frame upside down.

"Prior art" A conventional device of this kind is, for example, the Japanese Utility Model Publication No. 58-17626.
As disclosed in the publication, there is a polygonal cylindrical holding frame (rotating casing) that houses the container, a door for exiting the container attached to this holding frame, and a container that moves up and down toward the container inside the holding frame. It consists of a clamp, a clamp that operates to sandwich the container from both sides, and a rotating shaft attached to the side surface of the holding frame, and the container supplied into the holding frame is held by each of the clamps, and the container is held via the rotating shaft. It has a structure in which the contents of the container are mixed by rotating the holding frame upside down.

[Problems to be Solved by the Invention] The conventional mixing device described above had the effects described in the publication.

However, when a container is filled with granular material and mixed, depending on the type and condition of the granular material inside, some of the granular material may form lumps, impairing the mixing effect.

An object of the present invention is to provide a mixing device that can prevent powder and granular materials in a container from clumping together as described above.

"Means for Solving the Problems" In order to achieve the above-mentioned objects, the mixing device according to the present invention has the following features:
A container is housed in a holding frame supported by a rotating shaft, the container is held in the holding frame by a clamp provided on the holding frame, and the holding frame is rotated upside down to remove the container. In an apparatus for mixing the contents of
A presser lid is provided on the holding frame, and is positioned above the container and is movable up and down, and blocks the injection port at the top of the container when lowered. A rotary shaft having a length that allows it to escape from the inlet when the pressure rises to the upper limit is supported, a blade piece is provided on this rotary shaft, and a motor for driving the rotary shaft is provided on the upper part of the presser cover. .

Preferably, the clamp is attached to a clamp frame attached to the upper part of the holding frame, and configured to press and clamp the container from above.

Further, the presser cover may be configured to move up and down independently of the operation of the clamp, or preferably, it is attached to the clamp frame so that it operates simultaneously with the clamp.

"Operation" According to the mixing device of the present invention, a container filled with two or more types of powder or granular material (or powder or granular material and liquid), etc. is housed in the holding frame with the upper injection port lid removed. Then, the container is held in the holding frame by the clamp, the holding lid is lowered to close the injection port, and the holding frame is rotated upside down while rotating a rotating shaft supported by the holding lid. The contents of the container are mixed using the rotating container, but even if powder particles are formed inside the rotating container, they are destroyed by the blades of the rotating shaft attached to the presser lid.

"Example" Preferred embodiments of the present invention will be described below with reference to the drawings.

The holding frame 1 is made by combining metal angle materials, channel materials, flat plates, etc. into a rectangular tube shape, and includes a bottom edge frame 11,
Each corner pillar 12, upper edge frame 13 provided on three sides excluding the front side,
It is composed of a door 14 provided only on the front side, and a pedestal 17 for receiving the legs a1 of the container is attached on the bottom edge frame 11 at the corner of the inner bottom.

The container door 14 is configured to be locked by operating a handle (not shown).

In the upper part of the holding frame 1, a shaft mounting part 15.15 is fixed to a part biased to one diagonal corner in a state protruding to both sides, and a linear and horizontal shape is fixed to the shaft mounting part 15.15. Fix the rotating shaft 16.16 from both sides so that
The rotating shafts 16, 16 are rotatably supported by left and right machine frames (not shown), and the holding frame 1 is rotated at a reduced speed in an upside-down manner by a motor (not shown).

The holding frame 1 is provided with a clamp 3 at its upper part that moves up and down toward the container a accommodated in the holding frame 1.

The clamp 3 of this embodiment is fixed under a clamp frame 31, and a pad 3a made of rubber, flexible synthetic resin, or the like is adhered to the lower surface. The clamp frame 31 is connected to the upper end of a drive device 30 consisting of a hydraulic cylinder or an air cylinder installed upright on both sides of the upper part of the holding frame 1, and is moved up and down by this drive device 30 with a predetermined stroke length, and when lowered, The container a supplied within the holding frame 1 is pressed downward.

At the upper part of the holding frame 1, a holding lid 4 is provided so that it can be raised and lowered with a predetermined stroke and strongly blocks the injection port a2 of the container a when it descends to the lower limit.
The presser cover 4 is fixed to the clamp frame 31 so that the same driving device 3o can simultaneously drive the presser cover 4 up and down and the clamp 3 up and down.

A pad 4a made of the same material as the pad 3a is bonded to the lower surface of the presser lid 4, and a rotary shaft 5 is rotatably supported so as to protrude downward to the center. This rotating shaft 5 is set to such a length that when the presser foot M4 is lowered, it enters the container a through the inlet a2, and when the presser foot M4 is raised to the upper limit, the inlet a2 can escape. A plurality of blade pieces 51 are attached to its tip.

A motor 52 for rotating the rotating shaft 5 is mounted on the upper part of the presser cover 4.
However, in this embodiment, the rotating shaft 5 is connected to the motor 52 via a clutch (torque tender) 53 so that the rotating shaft 5 and the motor 52 will be separated when the load on the rotating shaft 5 becomes excessive. are doing.

In the mixing device of the above embodiment, a container a is transported from another location using a forklift truck (not shown), and a lid (not shown) of the injection port a2 of the container a is removed by an automatic lid attaching/detaching device (not shown) in the vicinity of the mixing device. Then, open the door 14 and feed the container a into the holding frame 1 in a state where it is guided by the leg a1 of the container a or the pedestal 17.

When a sensor (not shown) detects that the leg a1 of the container a is correctly placed on the pedestal 17 and that the door 14 is closed and locked, the drive device 30 is activated and the clamp frame 31 or the first Descend from the position indicated by the dotted chain line to the position indicated by the ¥ line, hold the clamp 3 or container a and hold it in the holding frame 1, block the presser lid 4 or the spout a2 of the container a, and place the rotating shaft 5 into the container a. enter abruptly.

When a sensor (not shown) detects that the clamp 3 has clamped the container a, the motor (not shown) that drives the motor 52 and the rotating shaft 16 is activated, causing the rotating shaft 5 to rotate at high speed, and the holding frame l to be turned upside down. Rotate at a reduced speed.

The blade pieces 51 of the rotating shaft 5 destroy even if the powder or granular material in the container a becomes agglomerated during the rotation of the container a.

When the holding frame 1 has been rotated for a sufficient time to mix the contents, the holding frame 1 stops rotating in the attitude shown in FIG. 1, and at the same time, the motor 52 also stops operating. When a sensor (not shown) detects that the holding frame 1 has stopped in the attitude shown in FIG.
is activated, the clamp 3 or the container a is opened, the presser cover 4 is raised, and the door 14 is opened.

The container a is taken out from the holding frame l by a forklift or the like, transported to an automatic lid attaching/detaching device (not shown), the spout a2 is closed with a lid (not shown), and then transported to another location.

In the above embodiment, the presser cover 4 is attached to the clamp frame 31, but another frame supported by a column (not shown) attached to the holding frame 1 is provided, and the presser cover 4 is attached to this frame.
It can be carried out even if it is installed.

When the drive device 30 is configured with a hydraulic cylinder or an air cylinder, a multi-stage or stepless cylinder can be used so as to be able to accommodate containers a of different heights.

Depending on the size, weight, material, etc. of the container a, not only the clamp 3 but also other clamps (not shown) that operate to sandwich the container a from the left and right directions, or clamps that operate in the front and rear directions in FIG. It is preferable to attach it to 1.

"Effects of the Invention" According to the mixing device of the present invention, even if a lump of powder or granular material is formed in the container while the container is rotated upside down, the lump is destroyed by the rotating blades, and therefore, The contents can be mixed more thoroughly.

[Brief explanation of drawings]

FIG. 1 is a schematic front view showing an example of a device according to the present invention, and FIG. 2 is a plan view of the device shown in FIG. Explanation of the symbols in the main drawings: 1 is the holding frame, 11 is the bottom edge frame, 12 is the corner pillar 13 is the upper edge frame, 14 is the door, 15 is the shaft attachment part, 17 is the pedestal, 3 is the clamp, 30 is the drive device, 31 beam 0 lamp frame, 4 a presser cover, 5 a rotating shaft, 51 a blade piece, and 52 a motor.

Claims (2)

[Claims] (1) A container is housed in a holding frame supported by a rotating shaft, the container is held in the holding frame by being held by a clamp provided on the holding frame, and the holding frame is rotated upside down. In the apparatus for mixing the contents of the container, the holding frame is provided with a presser lid that is located above the container and is movable up and down and blocks an injection port in the upper part of the container when lowered; A rotary shaft that protrudes downward and is long enough to escape from the inlet when the presser lid rises to the upper limit is supported at the center of the presser lid, and a blade piece is provided on the rotation shaft, A mixing device for the contents of a container, characterized in that it is provided with a motor that drives the rotating shaft. (2) The device for mixing container contents according to claim 1, wherein the clamp and the presser lid are attached to a clamp frame attached to the upper part of the holding frame.