JP2864267B2 - Method and apparatus for compounding different kinds of powder - Google Patents

Description

Description: BACKGROUND OF THE INVENTION The present invention relates to a method for removing an appropriate amount of powder from a plurality of powder storage devices selected from a large number of powder storage devices each containing a different powder, and removing them from at least one powder storage device. The present invention relates to a method and an apparatus for charging and blending into a powder collecting container. The present invention is particularly intended as a method for blending different raw material powders (in the present specification, not only powders in the strict sense, but also powders including granular materials) at predetermined ratios. It has been proposed and is applied to the manufacturing process of medicines, foods, resin materials, etc.

Conventional technology and problems to be solved by the invention Conventional type in which a powder collecting container is moved to a plurality of powder storage devices installed at fixed positions and powder is charged from the powder storage device into the powder collecting container. In the apparatus (system) described above, a drive mechanism for discharging powder is usually provided for each powder storage apparatus. Therefore, when the number of powder storage devices is large, a large amount of equipment cost for equipping the drive mechanism is required. In addition, if a large number of powder storage devices are equipped with a drive mechanism, not only the labor required for maintenance and inspection of the drive mechanism cannot be ignored, but also the failure of one of the drive mechanisms causes the entire device (system) to stop. I will have to do it. Further, when performing automatic control of the device (system), a control system for controlling a large number of drive mechanisms becomes complicated, which leads to an increase in system development costs.

The present invention has been made in view of such a technical background, and an object of the present invention is to reduce the number of driving mechanisms for discharging powder as much as possible.

Means for Solving the Problems According to the first aspect of the present invention for achieving the object, an appropriate amount of a plurality of powder storage devices selected from a plurality of powder storage devices each containing a different powder is selected. A method of taking out powders, charging them into one powder collecting container and blending them, wherein a moving device including a powder collecting container is made to be able to travel along a traveling path, and the powder is moved along the traveling path. The storage devices are arranged and the traveling moving devices are sequentially stopped in front of the preselected powder storage device, and the powder is discharged according to the connection relationship between the drive mechanism provided in the moving device and the powder discharge mechanism provided in the powder storage device. A method is provided for activating a mechanism to load the powder in the selected powder storage device into a powder collection container of a transfer device.

According to a second feature of the present invention for achieving the above object, an appropriate amount of powder is taken out from a plurality of powder storage devices selected from a large number of powder storage devices each containing a different powder, and they are collected. A device for charging and blending into two powder collecting containers, comprising at least one moving device that includes a powder collecting container and a drive mechanism and is capable of traveling along a traveling path, and is arranged along the traveling path. A plurality of powder storage devices, wherein each of the powder storage devices has a powder storage container and a joint that is removably connected to a coupling of the drive mechanism and discharges the powder in the powder storage container. An apparatus with a powder discharge driven mechanism is provided.

It is a recommended method to load the powder into the powder collecting container of the moving device while weighing the powder, and to sequentially operate the driving mechanism of the moving device according to each mixing ratio of the plurality of types of powders, and Accurate compounding can be performed quickly. In order to carry out this method, the moving device may be equipped with a measuring device.

One specific example of the drive mechanism provided in the moving device including the powder collecting container includes a motor, a drive shaft driven by the motor, and a joint attached to an end of the drive shaft. Can be mentioned. Further, as one specific example of the powder discharge driven mechanism of the powder storage device,
Another example is a moving device that includes another joint that is detachably connected to a joint at an end of a drive shaft of a moving device, and a driven shaft that has the other joint at one end. It is preferable that the powder discharge driven mechanism includes a screw-type carrier that is driven by the driven shaft and carries out the powder in the powder storage container to the outside of the powder storage container.

Embodiment An embodiment of the present invention shown in FIGS. 1 and 2 will be described below.

FIG. 1 shows a schematic side view of a part of the dissimilar powder blending apparatus 10. The dissimilar powder blending device 10 is a moving device described later.
The apparatus mainly includes a plurality of powder storage devices 12 and at least one moving device 30 arranged at appropriate intervals along 30 traveling paths. The moving device 30 having the traveling wheels 32 moves along the rail 50 which is a traveling path, and a predetermined powder storage device selected from a large number of powder storage devices 12.
It stops before 12 and receives the powder discharged and supplied from the powder storage device 12. FIG. 1 shows a state where the moving device 30 is stopped in front of an arbitrary powder storage device 12.

The powder storage device 12 fixed on the floor surface has a powder storage container 14 at the top thereof, and extends outside through a container wall installed in a horizontal posture at the bottom in the powder storage container 14. A well-known screw-type carrier 16 for discharging powder is provided. When the carrier 16 rotates, the powder in the powder container 14 is sequentially conveyed by the screw fins and supplied from the screw end 18 into the powder collecting container 48 of the moving device 30. The screw-type carrier 16 is a part of a powder discharge driven mechanism that can be connected to the drive mechanism of the moving device 30,
A driven sprocket 20 fixed to the end of the screw shaft on the side opposite to the screw end 18, a driven shaft 22 in a horizontal posture disposed at the bottom of the powder storage device 12, and the same side as the screw end 18. , A driven side joint 24 fixed to an end of the driven shaft 22, a drive sprocket 26 fixed to an end opposite to the driven shaft 22, and a driven sprocket 20.
And the drive wound around the drive sprocket 26
And a chain 28.

The moving device 30 includes a plurality of wheels 32 so as to be able to travel on the rail 50. A drive mechanism including a motor 40, a drive shaft 42 integral with the rotor shaft of the motor 40, and a drive-side joint 44 attached to the tip of the drive shaft 42 is provided on the chassis 34 of the moving device 30. Have been. The motor 40 is moved along the guide member by the air cylinder device 40A so as to be able to advance and retreat on the chassis 34 toward the powder storage device 12 side. A rack mechanism or the like may be used. When the motor 40 moves forward, the two locking projections 44a projecting from the drive-side joint 44 enter and fit into the corresponding locking holes of the driven-side joint 24, and the two joints are connected.

Further, a weighing device 46 is provided on the upper first horizontal base 36 located immediately above the driving mechanism. The weighing device 46 supports the upper second horizontal platform 38, and thus the upper second horizontal platform 38.
Receive the full weight of. Further, a cup-shaped powder collecting container 48 having an open top is placed on the upper second horizontal base 38.

The dissimilar powder blending apparatus 10 of the present embodiment is configured as described above, and the operation thereof will be described below.

The moving device 30 travels along a rail 50 and stops in front of a plurality of powder storage devices 12 selected from a number of powder storage devices 12 arranged along the rail. FIG. 2 is a plan view showing any three of the arranged powder storage devices 12 at the screw ends 18. Moving equipment
When the motor 30 stops in front of the powder storage device 12, the motor 40 on the chassis 34 advances to the powder storage device 12 side along the guide member.
As the motor 40 advances, the drive-side joint 44 also advances, and the two locking projections 44a enter and fit into the corresponding locking holes of the driven-side joint 24 to connect the two joints. Next, the motor 40 operates, and the rotation of the drive shaft 42 is transmitted to the driven shaft 22 via both joints, and further, the drive sprocket 26, the drive
The powder is transmitted to the screw-type conveying body 16 for discharging powder via a chain 28 and a driven sprocket 20. When the carrier 16 rotates, the powder in the powder container 14 is sequentially conveyed by the screw fins and supplied from the screw end 18 into the powder collecting container 48 of the moving device 30. During this time, the change in the weight of the powder in the powder collecting container 48 is measured by the measuring device 46 of the moving device 30, and the operation of the motor 40 is stopped when the specified amount of powder is charged. Thereafter, the motor 40 retreats in a direction away from the powder storage device 12, and the engagement relationship between the driving joint 44 and the driven joint 24 is disconnected. Next, the moving device 30 leaves the illustrated powder storage device 12 and proceeds along the rail 50 toward the next target, the predetermined powder storage device 12.

Effects of the Invention As is clear from the above description, an appropriate amount of powder is taken out from a plurality of powder storage devices selected from a large number of powder storage devices each containing a different powder, and they are put into one powder collecting container. A method of charging and blending, in which a moving device including a container for powder collection is made to be able to travel along a traveling path, and a powder storage device is arranged along the traveling path, and a traveling traveling device is prepared in advance. Stopping sequentially in front of the selected powder storage device, operating the powder discharge mechanism according to the connection relationship between the drive mechanism provided in the moving device and the powder discharge mechanism provided in the powder storage device, and thereby the selected powder storage device A method for charging the powder in the container into the powder collecting container of the transfer device, and obtaining an appropriate amount of powder from a plurality of powder storage devices selected from a number of powder storage devices each containing a different powder. A device for charging and mixing them into one container for powder collection, comprising: a container for powder collection and a drive mechanism and capable of traveling along a traveling path; A plurality of powder storage devices arranged along a road, wherein each of the powder storage devices has a powder storage container and a joint that is removably connected to a coupling of the drive mechanism, and includes a powder storage container. An apparatus has been proposed that includes a powder discharge driven mechanism for discharging powder.

 The advantages of the present invention are as follows.

Conventionally, since a drive mechanism for powder discharge provided in many powder storage devices is provided in at least one moving device,
The number of drive mechanisms for discharging powder is greatly reduced.

Reducing the number of drive mechanisms for powder discharge not only can reduce capital investment costs, reduce equipment maintenance and inspection work, and reduce labor costs, but also reduce the overall equipment due to failure of the drive mechanism for powder discharge. , The frequency of operation stoppages decreases, and the facility operation rate and productivity can be improved.

When performing automatic control of an apparatus (system), it is advantageous that the number of drive mechanisms for discharging powder is small, so that the control system can be simplified and system development costs can be reduced.

[Brief description of the drawings]

FIG. 1 is a schematic side view showing a part of a different type powder blending apparatus, with a main part cut away, and FIG. 2 is a schematic plan view showing the entire apparatus (system). 10: powder mixing device, 12: powder storage device, 14: powder container, 16: carrier, 18: screw end, 20: driven sprocket, 22: driven shaft, 24: … Driven side coupling, 26… drive sprocket, 28… drive chain, 30… moving device, 32… wheels, 34… undercarriage, 36… upper first horizontal pedestal, 38… upper second Horizontal table, 40 ... Motor, 42 ... Drive shaft, 44 ... Drive joint, 46 ... Measuring instrument, 48 ... Powder collecting container, 50 ... Rail.

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) B01F 3 / 00,15 / 00 B01J 4/00

Claims (6)

(57) [Claims] 1. A method of taking out an appropriate amount of powder from a plurality of powder storage devices selected from a large number of powder storage devices each containing a different powder, charging them into one powder collecting container and blending them. In, the moving device including the powder collecting container is made to be able to travel along the traveling path, the powder storage device is arranged along the traveling route, and the traveling traveling device is arranged in front of the preselected powder storage device. Stopping sequentially, operating the powder discharging mechanism according to the connection relationship between the driving mechanism provided in the moving device and the powder discharging mechanism provided in the powder storing device, and thereby collecting the powder in the selected powder storing device into the powder aggregate of the moving device. A method for blending different kinds of powders, wherein the method is charged into a container for use. 2. A method for taking out an appropriate amount of powder from a plurality of powder storage devices selected from a plurality of powder storage devices each containing a different powder, charging them into one powder collecting container and blending them. The apparatus according to any one of the preceding claims, comprising: at least one moving device including a powder collecting container and a driving mechanism and capable of traveling along a traveling path; and a plurality of powder storage devices arranged along the traveling path. Has a powder container, and a powder discharge driven mechanism for discharging the powder in the powder container having a joint detachably connected to the joint of the drive mechanism. Powder compounding equipment. 3. The drive mechanism according to claim 2, wherein the drive mechanism includes a motor, a drive shaft driven and rotated by the motor, and a joint attached to an end of the drive shaft. Heterogeneous powder compounding equipment. 4. The powder discharge driven mechanism according to claim 3, further comprising: a joint detachably connected to a joint at an end of the drive shaft, and a driven shaft having the joint at one end. The described heterogeneous powder blending device. 5. The powder discharge driven mechanism further includes a screw-type carrier driven by the driven shaft to carry out the powder in the powder storage container out of the powder storage container. The described heterogeneous powder blending device. 6. The apparatus according to claim 2, wherein the moving device includes a measuring device for measuring the weight of the powder charged in the powder collecting container.