JP4573228B2 - Powder mixing equipment - Google Patents

Description

The present invention relates to a mixing apparatus for uniformly stirring and mixing powder particles composed of powders and granules of various components.

  In the industrial fields such as pharmaceuticals, foods, and chemicals, various powders are used to obtain raw materials for products. The powder material that is the raw material of the product is produced by stirring and mixing powders and granules with different contents. Conventionally, the basic device for mixing powders is A container is rotatably installed on a support frame, a plurality of types of powder particles are placed in the container, and the container is rotated in a sealed state.

  As the container rotates, the internal powder particles also rotate and flow, but only flow and do not have a forced stirring function, so that a sufficient mixing effect cannot be obtained. Further, since the container is fixed, it cannot be moved, and another container is required for the introduction of the powder to be mixed and the transfer of the mixed powder.

  And after discharging the mixed granular material, it was necessary to wash | clean a container for the next mixing operation | work, and the burden of the operator was large. In particular, powder particles having viscosity or cohesiveness are likely to become lumps and cannot be mixed uniformly.

In view of this, an apparatus that enables the container to be transferred and forcibly agitated is provided as Japanese Patent Application Laid-Open No. 2003-144893.
This device supports a rotating shaft 7 by a bearing 6 fixed to the center of a lid body 5 that can be detachably attached to a container 2 having an opening 2a and can close the opening 2a, and the rotating shaft 7 faces the container 2. A stirring blade 8 is attached, and a stirring container 1 having one connecting member 9 is provided at the upper end of the rotating shaft 7 and a stirring device 11.

  A container 1 containing powder particles in a container 2 in advance is placed on the left placement plate 20 and the right placement plate 21 of the stirring device 11 and lifted using an elevating device comprising a left cylinder 24 and a right cylinder 25. The container 1 is fixed between the upper frames 14. Then, the one connecting member 9 and the other connecting member 40 on the stirring device 11 side are connected, and the stirring blade 8 is forcibly rotated by the drive motor 39.

The container 1 is connected to the left rotation shaft 15 and the right rotation shaft 16, and the container 1 is rotated by driving the right rotation shaft 16 by a drive motor built in the right box 13, and at the same time, the stirring blade in the container 2. 8 is rotated to stir the granular material.
JP 2003-144893 A

  In this disclosed technique, the stirring blade 8 is placed inside the lid body 5 and faces the container 2, and therefore, the stirring blade 8 is positioned on the rotation circumference of the container 1. Therefore, when the lid main body 5 is positioned on the lower side along with the rotation of the container 1, the granular material also drops and moves downward, so that the stirring operation is performed in contact with the stirring blade 8.

  However, when the lid body 5 is positioned upward along the rotation, the powder particles are falling downward, so that the stirring blade 8 and the powder particles are not in contact, and the powder particles are stirred. There is no. Therefore, the stirring efficiency is poor, and it takes a long time to sufficiently stir until the whole becomes uniform, and there is a problem that all the processing time including other work becomes long.

In the present invention, in view of the above-mentioned problems of the prior art, a stirring blade is installed in the barrel side surface of a container that is transportable and rotatable, and the powder and the stirring blade are always kept in rotation during the rotation of the container. The present invention provides a powder mixing apparatus that enables contact and efficient stirring and mixing of powder particles in a short time .

The powder mixing apparatus of the present invention accommodates a powder, can be erected and transported, and provided with a crushing blade on the inner side surface, and a container provided with a passive clutch on the rotating shaft of the crushing blade, The drive unit comprises a drive unit that is rotatably installed between the support platforms on both sides, and that can fix the container at a predetermined height position, and that is provided with a rotary member having a drive clutch that can be connected to and detached from the passive clutch. The clutch can be connected and disengaged by reciprocating with respect to the passive clutch located at the opposite position together with the drive motor .
The mixing device of the present invention is as follows:

  According to the present invention, various powder particles are accommodated in the rotating member 12 rotatably supported by the rotation drive mechanism between the support bases 19 and 20 on both sides, the sealed container 1 is fixed, and can be rotated simultaneously. Therefore, the granular material flows up and down in the container 1 and is mixed.

In particular, the passive clutch 11 to the distal end of the trunk portion 3 in the outer rotation shaft 10 together with the inner surface of the container 1 is installed rotatably solutions砕羽root 9 provided, also, the rotary member 12 is a position corresponding The drive clutch 24 that can be connected and disconnected by reciprocating with respect to the passive clutch 11 is provided so as to be able to forcibly rotate , and the height position of the container 1 is regulated in the rotating member 12. The clutch 24 can be connected and the container 1 can be rotated and the granular material can always be pulverized by the rotating crushing blades 9.

  Since the container 1 can be transferred independently, the necessary granular materials are put in a predetermined place, carried to the driving device 2 and set on the rotating member 12, and transferred to another place when mixing is completed. The container 1 can be easily handled.

  Even if the properties of the powder particles are viscous or cohesive and tend to clump, they will be crushed finely because they come into contact with the crushing blades 9 located on the side when flowing in the container 1. Is located on the side surface of the container 1 in the rotation direction, it is possible to efficiently pulverize the granular material in a short time and obtain a uniform granular material having a predetermined property.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 and FIG. 2 show an embodiment of the mixing apparatus and mixing method of the granular material of the present invention. In the drawings, reference numeral 1 is a container that can accommodate the granular material, and reference numeral 2 is a container 1. It is a drive device for rotation and mixing of granular materials.

  The container 1 is provided with a powder inlet 4 at the upper part of the rectangular body 3, a pyramidal discharge part 5 is continuously provided below, and a discharge opening 6 is provided at the lower part of the discharge part 5. The outlet 6 can be opened and closed by a discharge valve 7. The container 1 can be erected with four support legs 8 and can be transported.

  A conventionally known container 1 can be used as the container 1, but the container 1 according to the present invention is provided with one or more crushing blades 9 on the inner side surface of the body 3, and the crushing blades 9. One end of the rotary shaft 10 protrudes from the body 3 to the outside, and a passive clutch 11 is provided at the tip of the rotary shaft 10. In the drawing, two crushing blades 9 are used.

  The drive device 2 for the container 1 has a rotation drive mechanism for the container 1 and a rotation drive mechanism for the crushing blades 9. The rotational drive mechanism of the container 1 includes a rotary member 12, two rotary shafts 13, a bearing 14, and a drive motor 15.

  The rotating member 12 accommodates and fixes the container 1 at a predetermined position inside and rotates the container 1. The rotating member 12 connects the four support columns 17 to the rectangular frame 16, and connects the connecting plates 18 between the support columns 17. Is built. One end of the rotary shaft 13 is connected and fixed to the symmetrical position of the connecting plates 18 on both sides, and each rotary shaft 13 is supported by bearings 14 installed in the left and right support frames 19 and 20.

  A drive motor 15 is installed in a support frame on one side, for example, the support frame 19, and the rotating member 12 can be forcibly rotated by rotating the rotating shaft 13 with the drive motor 15. The four columns 17 are provided with cylinders 21 on the internal or side surfaces, and the tip ends of the cylinder rods 22 are connected to a mounting table 23 arranged horizontally. Note that the support column 17 itself may have a cylinder function.

  The above-described rotation driving mechanism of the crushing blade 9 is composed of a driving clutch 24, a slidable driving motor 25 and a cylinder 26 as shown in an enlarged view in FIG. The cylinder 26 is attached to the connecting plate 18, and the tip of a cylinder rod (not shown) is directly connected to the drive motor 25. Therefore, when the drive motor 25 is slid by the cylinder 26, the drive clutch 24 reciprocates with respect to the passive clutch 11 located at the opposite position, and the clutches 11 and 24 can be connected and disconnected.

The present invention has the above-described configuration, and next, the mixing operation of the powder and granular materials will be described.
Various amounts of various granular materials to be mixed in a predetermined place are put into the container 1 in necessary amounts from the inlet 4 and are driven using a transport device 27 such as a roller conveyor or a belt conveyor in a state of being sealed with a lid 4a. Sent to device 2.

  The container 1 is transferred onto the mounting table 23. At this time, the cylinder rod 22 is extended to lower the mounting table 23 downward. When the container 1 is placed on the placement table 23, if the placement table 23 is raised by operating the cylinder 21, the upper portion of the container 1 comes into contact with the positioning member 28 connected to the upper portion of the frame 16 and stops. At this time, the operation of the cylinder 21 is automatically stopped.

  The stop position of the container 1 is a height position where the passive clutch 11 and the drive clutch 24 face each other. In this state, the cylinder 26 is operated to advance the motor 25 and the drive clutch 24 to connect the passive clutch 11 and the drive clutch 24.

  Note that the positioning member 28 may hit either the corners of the four corners of the container 1, hit the corners of the four sides, or hit the upper surface of the container 1. Any means may be used as long as the container 1 is stopped at a predetermined height position, and the cylinder 21 operation may be stopped by detecting the height position of the container 1 with a sensor.

  As described above, the container 1 is fixed at a predetermined position in the rotating member 12, and the driving motor 15 is driven to rotate the rotating shaft 13 in a state where the passive and driving clutches 11 and 24 are connected together with the rotating member 12. While the container 1 is rotated, the drive clutch 24 and the passive clutch 11 are rotated by the drive motor 25 to rotate the crushing blades 9.

  The powder particles in the container 1 flow up and down according to the rotation of the container 1 and mix, and when flowing up and down, the powder particles are in contact with the rotating crushing blades 9 and are stirred. It will be crushed. In particular, a granular material having viscosity or cohesiveness is easy to form a lump, but is repeatedly crushed by being in contact with the crushing blades 9 repeatedly.

  Note that the container 1 may be rotated with the center line of the rotating shaft 10 of the crushing blade 9 and the center line of the rotating shaft 13 of the rotating member 12 in parallel, but as shown in FIG. If the container 1 is rotated with the center line of the rotation shaft 13 inclined with respect to the center line of the rotation shaft 10, the flow direction of the powder particles becomes irregular and all the powder particles are disintegrated. In contact with 9, the stirring and crushing efficiency becomes good.

  After performing the mixing operation for a predetermined time, the rotation of the rotating member 12 is stopped, the drive clutch 24 is pulled by the operation of the cylinder 26 to release it from the passive clutch 11, and then the mounting table 23 is lowered by the operation of the cylinder 21. May be moved to the conveying device 27 in a free state and transferred to another place.

  Efficiently using the pulverization blades 9 installed on the inner surface of the body part 3 by putting various kinds of granular materials having different contents into the container 1 in necessary amounts, mixing them by installing them on the rotating member 12 and rotating them. It can be pulverized well and has high utility value in industrial fields such as pharmaceuticals, foods, and chemicals that use many powders as raw materials.

It is a front view which shows one Embodiment of this invention mixing apparatus. It is a top view which shows one Embodiment of this invention mixing apparatus. It is an enlarged front view of the principal part which shows the relationship between a passive clutch and a drive clutch.

DESCRIPTION OF SYMBOLS 1 Container 2 Drive apparatus 3 trunk | drum 4 input port 5 discharge part 6 discharge port 7 discharge valve 8 support leg 9 crushing blade 10 rotating shaft 11 passive clutch 12 rotating member 13 rotating shaft 14 bearing 15 drive motor 16 frame body 17 support | pillar 18 Connecting plate 19 Support base 20 Support base 21 Cylinder 22 Cylinder rod 23 Mounting base 24 Drive clutch 25 Drive motor 26 Cylinder 27 Conveying device 28 Positioning member

Claims (1)

It accommodates powder particles, can be erected and transported, and crushing blades are provided on the inner side, and the rotating shaft of the crushing blades can be rotated between a container with a passive clutch and the support platforms on both sides. And a drive device provided with a rotating member having a drive clutch that can be connected to and disengaged from a passive clutch and can be fixed at a predetermined height position. A powder mixing apparatus characterized in that it can be connected and disconnected by reciprocating with respect to a passive clutch .

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