JPH0457781A - Powder and granular material container - Google Patents

Abstract

PURPOSE:To prevent the formation of a bridge and blocking at the time of discharge by providing an inclined slide plate so that the slide plate faces to the inside surface of one end of a cylindrical or square barrel-shaped container body, and by equipping a rectangular powder and granular material port opening provided in the body end face at the termination part of the slide plate with a mechanism for mounting and removing a cover or powder and granular material transfer machine. CONSTITUTION:In order that a powder and granular material is fed into a container body 1, a port opening 3 is provided so as to be directed upward, the port opening 3 is opened while it is provided or not provided with a powder and granular material transfer machine 10 and the powder and granular material is thrown into the port opening. When the powder and granular material is discharged, the container body 1 is reversed by a reversing mechanism and the powder and granular material transfer machine 10 is driven. Then, the powder and granular material inside the container body 1 is guided by a slide plate 2 to flow to the port opening 3 and carried by the screw of the powder and granular material transfer machine 10. The port opening 3 is shaped like a rectangle extending in the crosswise direction to enable obtaining a large opening area while the powder and granular material only flows from two ways along the slide plate 2 so that there is little possibility of forming a bridge or blocking the port opening 3.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention is suitable for storing and transporting powder and granular materials, particularly for storing and transporting powder and granular materials with poor fluidity, and allows for easy feeding and discharging of powder and granular materials. This invention relates to a powder container.

[Conventional technology]

Conventionally, this type of powder container was
As disclosed in Japanese Patent No. 219, it is common to have a small-diameter entrance/exit at the axial end of the container body, and a sliding plate inclined toward the entrance/exit inside the container body.

In this case, a valve, a slide gate, or the like is provided at the inlet/outlet, and it is necessary to open and close it while the powder pressure is applied, so the opening area of the inlet/outlet should be made small.

[Problem to be solved by the invention]

However, if the opening area of the entrance and exit port is made extremely small compared to the cross-sectional area of the container body as described above, the powder and granules may form a bridge inside the container, which may block the entrance and exit port when the powder and granules are discharged. . The reason for this is that the powder and granules stored inside the container body slide on the sliding plates and flow from all sides toward the entrance and exit, which compresses the powder and obstructs the flow. This is noticeable in the case of poor powder and granular materials. Also, in the case of the above container,
Since the inlet/outlet is only opened and closed by a valve, a slide gate, etc., there is a drawback that when the inlet/outlet is opened, powder and granules are discharged all at once, making it difficult to take out a fixed amount.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a powder container that can effectively prevent bridge formation and clogging during discharge even for powder particles with poor fluidity, and that allows easy quantitative removal.

[Means to solve the problem]

In order to achieve the above object, the first invention includes a container body formed in a cylindrical or square tube shape, and a container body provided opposite to each other on the inner surface of one end in the axial direction of the container body, and facing toward the end surface side. A pair of sliding plates inclined inward, a rectangular powder/granular material inlet/outlet formed at the terminal end of the sliding plate and opened at the end face of the container body, and a lid or a powder/granular material transfer device selectively attached to the said inlet/outlet. It is equipped with an attachment/detachment mechanism for attachment/detachment.

Further, in a second invention, in the first invention, the powder/granular material transfer machine detachably attached to the entrance/exit has a communication port that matches the entrance/exit on one end side, and an external communication port on the other end side. It is characterized by comprising a cylindrical feeder main body having an open passage port, and a driving means for moving the powder between the passage port and the communication port.

[Effect]

When storing or transporting for a long period of time, attach a lid to the entrance/exit of the container body. This prevents foreign matter and moisture from entering the container body.

In addition, when supplying powder or granular material to the container body, the container body is installed so that its entrance/exit faces upward, and the powder/granular material is introduced through the open entrance/exit. Furthermore, when the granular material transfer machine is attached to the entrance and exit and the driving means is driven in the supply direction, the granular material is transported from the passage port through the inside of the feeder body to the communication port, and passes through the entrance and exit to the container body. Injected inside.

When discharging the powder from the container body, the container body is equipped with the powder transfer device and is turned over so that the entrance/exit is facing downward, and the driving means is driven in the discharge direction. Then, the powder is guided toward the entrance by the sliding plate of the container body, and is discharged from the entrance through the powder transporter. At this time, the inlet/outlet has a rectangular shape extending in the width direction of the container body, so it has a large opening area, but the powder only flows from two directions, so there is less risk of bridging or blockage. .

Furthermore, since the powder transporter itself has a function of transporting the powder, it is possible to easily take out a fixed amount of the powder by stopping the powder transporter.

〔Example〕

FIGS. 1 to 4 show an example in which a powder transfer device 1O is attached to a container body 1 according to the present invention.

The container main body 1 has a rectangular tube shape, and a pair of sliding plates 2 facing each other and inclined inward toward the upper end are formed on the inner surface of the upper end thereof.

The angle of this sliding plate 2 is designed in accordance with the fluidity of the powder material. Container body 1 which is the terminal end of the sliding plate 2
A rectangular powder inlet/outlet 3 that continues in the width direction is formed in the upper wall surface of the container. A frame-shaped mounting plate 4, which is an example of an attachment/detachment mechanism, is fixed to the powder/granular material entrance/exit 3, and a pair of inward rail grooves 48 are provided in the attachment plate 4.

Note that cleaning holes and air vent holes may be provided in the bottom wall surface of the container body 1 as appropriate.

The powder and granular material transfer machine 10 is an example of a screw feeder, and includes a feeder body 11 in the shape of a tunnel tube with both ends closed;
A passage port 12 formed on the top surface of one end of the feeder body 11
, a communication port 13 formed on the lower surface of the center of the feeder main body 11 in a shape corresponding to the above-mentioned entrance/exit 3, and a feeder main body I
A flange 14 protruding from both sides of the lower surface of the feeder body 1, a rotating shaft 15 extending in the axial direction rotatably supported inside the feeder body 1, a screw 16 integrally formed on the rotating shaft 15, and a feeder body 11. A DC motor 17 is provided at the other end and is an example of a driver stage that drives the rotating shaft 15.

The flange 14 of the powder transfer machine 10 is connected to the container body 1.
When inserted into the rail groove 43 of the
10 Encounters】3 matches. In addition, in order to improve the adhesion between the entrance/exit 3 and the communication port 13, the powder transfer device 10 may be crimped onto the container body 1 using a fastening means such as a bolt as appropriate.

In order to supply the powder into the container body, the above-described powder transfer device 10 may or may not be used. When using the granular material transfer 1110, the granular material is supplied in the following manner. First, with the powder transfer machine 10 attached to the container body 1, install the container body 1 with the entrance/exit 3 facing upward, and connect the powder supply device (not shown) to the passage port 12 of the powder transfer 1110. do. and,
When the DC motor 17 is driven in the supply direction, the powder is introduced from the supply device into the feeder body 11 through the passage port 12, is carried straight by the screw 16 in the direction of the encounter port 13, and is passed from the communication port 13 to the entrance/exit port. 3 and then placed inside the container body 1. At this time, since the slide plate 2 provided near the entrance/exit 3 is opened downward, powder and granules can be easily introduced.

Furthermore, when the powder/granular material transfer machine 10 is not used, it is not attached to the container body 1 and the entrance/exit 3 is left open.
Powder may be directly introduced through this inlet/outlet 3.

In addition, when storing powder or granular material in the container body 1 for a long period of time or transporting it by truck or the like, a lid 20 shown in FIG. do. Also in this case, by inserting both side edges of the lid 20 into the rail grooves 4a provided in the entrance/exit 3, the entrance/exit 3 can be easily sealed. Thereby, the container main body 1 is made compact and can be stored and transported with space efficiency. Note that a handle 21 is provided on the top surface of the lid 20 to facilitate attachment and detachment of the lid 20.

When discharging the powder inside the container body 1, it is necessary to invert the container body 1.
A manual reversing mechanism 30 shown in the figure is used. The reversing mechanism 30 includes a pair of U-shaped pedestals 3132, and a container pedestal 34 is rotatably supported between these pedestals 31 and 32 with the reversing shaft 33 as a fulcrum. The container pedestal 34 has a substantially rectangular parallelepiped shape, and the container body 1 can be placed inside the container pedestal 34 while supporting the lower surface with a forklift. At this time, a support stand 35 that supports the center of the bottom surface of the container body l and a support part 36 that supports two side edges of the bottom surface of the container body 1 are provided on the lower surface of the container pedestal 34. A space 37 is provided between the support portion 36 and the fork into which the fork can be inserted and removed. Before or after placing the container body 1 on the container pedestal 34, the powder transfer machine 10
can be attached to. Place the container body 1 on the container pedestal 34
4 installed on the top surface of the container pedestal 34.
When the fixing handle 38 is rotated, the positioning metal fitting 4 connected to the fixing handle 38 via the screw shaft 39
0 can press the four corners of the upper surface of the container body 1 to fix the container body 1 to the container pedestal 34.

Next, a method for discharging the granular material stored inside the container body 1 will be explained. First, the inversion handle 41 provided on one of the pedestals 31 is rotated to invert the container pedestal 34 supporting the container body 1 by 180 degrees. At this time, since the reversing handle 41 is connected to the reversing shaft 33 via a speed reduction mechanism such as a gear (not shown) of a gear box 42 provided on the pedestal 31, a sprocket, a chain, etc., the reversing handle 41 can receive the container with small force. The platform 34 can be reversed. Note that a locking mechanism may be provided to hold the container pedestal 34 in an inverted state.
In the 80 degree inverted state, as shown in FIG. 8, the encounter port 12 of the granular material transfer 85110 and the granular material discharge port 44 provided on the floor 43 correspond vertically, so that the passage port 1
2 and the discharge port 44 are connected by a flexible chute 45 or the like. Here, the DC motor 1 of the powder transfer machine 0
7 is driven in the discharge direction (opposite to the supply direction), the powder inside the container body 1 is guided by the sliding plate 2 and flows to the entrance/exit port 3, and is straightly moved by the screw 16 of the powder transfer device 10. It is carried toward the passage port 12 and discharged from the passage port 12 through the flexible chute 45 to the discharge port 44 . At this time, since the entrance 3 of the container body 1 has a rectangular shape extending in the width direction, a large opening area can be obtained, but the powder only flows from three sides along the sliding plate 2, and a bridge is not formed. There is little risk that the entrance/exit 3 will be blocked. Furthermore, if the powder transfer device 10 is stopped, the discharge of the powder can be stopped, so that the powder can be easily taken out in a fixed amount. In addition, when a bridge is formed inside the container body 1, the bridge can be easily disintegrated by operating the reversing handle 41 and swinging the container pedestal 34.

9 and 10 show other examples of the reversing mechanism.

This reversing mechanism 50 has a pair of ring-shaped reversing drive wheels 52 attached to both sides of a frame-shaped container pedestal 51, and the lower surface of the reversing drive wheels 52 is connected to a supporting roller 53 and a driving roller 5.
4 is supported. The driving roller 54 is driven by a driving device 55 such as a motor via a deceleration mechanism 56. Components that are the same as those in FIGS. 6 and 7 are designated by the same reference numerals and their explanations will be omitted.

In the case of the above reversing mechanism, the container body 1 is
The operation until it is fixed at 1 is the same as the reversing mechanism shown in FIG. rotate as one.

Then, a switch or the like senses that the container pedestal 51 has been reversed by 180 degrees, and the driving machine 55 is stopped. In this state, similarly to the reversing mechanism shown in FIG. By driving in the direction, the powder inside the container body l is discharged to the discharge port 44.

In addition, in this reversing mechanism, in order to prevent the drive wheel 52 and the drive roller 54 from slipping, a gear may be provided on both of them so that they mesh with each other.

FIG. 11 shows another example of the container body. This container body 60 is formed so that a pair of sliding plates 61 are exposed to the outside, and by surrounding the outside of the sliding plates 61 with a frame 62. , the external shape is approximately a rectangular parallelepiped.

In this case, a vibrator can be attached to the outer surface of the sliding plate 61 and hammering can be easily performed, so that the bridge can be easily disintegrated. L-shaped receivers 63 are fixed to the four corners of the upper surface of the frame body 62, and rectangular support legs 64 are fixed to the four corners of the bottom surface of the container body 60. Therefore, the container body 6
0 stacked vertically, the support legs 64 of the upper container body fit into the receivers 63 of the lower container body, and the container body 60 can be stably loaded, and there is no space between the upper and lower container bodies. A gap can be provided in which the fork of a forklift can be inserted. A rectangular powder/granular material entrance/exit 65 is formed on the upper wall surface of the container main body 60 and is continuous in the width direction.
Alternatively, a powder transporter (not shown) is removably attached.

The present invention is not limited to the above embodiments.

The powder transfer machine is not limited to the screw feeder system as in the embodiment, but may also be a vibration feeder system or a pneumatic suction/discharge feeder system. By attaching a vibrator such as an electromagnetic vibrator and vibrating the feeder body 11, the powder or granular material can be moved from the passage port 12 to the communication port 13 or from the communication port 13 to the passage port 12.

In addition, the attachment/detachment mechanism for attaching the lid or powder transfer device to the entrance/exit of the container body is not limited to the insertion method using slide rails, but also the attachment/detachment mechanism for attaching the lid or powder transfer device using bolts. Often, it may be attached and detached using a locking mechanism, but in any case, it is desirable that the lid or powder transfer device can be easily attached and detached, and that it can be attached tightly to the entrance/exit.

Further, the container main body may have a cylindrical shape in addition to a rectangular cylindrical shape, and in the case of a cylindrical shape, an entrance/exit may be provided in the diametrical direction.

[Effects of the Invention] As is clear from the above description, according to the first invention, a pair of sliding plates are provided on opposite sides inside the container body, and a rectangular shape with an opening at the end face is provided at the end of the sliding plate. Since the powder/granular material entrance/exit is provided, the opening area of the entrance/exit can be increased, and there is less risk of bridge formation or blockage occurring during discharge as in the conventional case.

Further, according to the second invention, the powder/granular material transfer machine detachably attached to the entrance/exit includes a cylindrical feeder main body and a driving means, so that the speed of the driving means can be adjusted, started and stopped. Quantitative supply and quantitative discharge of powder and granular materials can be easily performed by simply controlling.

[Brief explanation of the drawing]

Fig. 1 is a front view of a container body according to the present invention with a powder transfer machine attached, Fig. 2 is a sectional view taken along the line ■-■ of Fig. 1, and Fig. 3 is a top perspective view of the container main body. , FIG. 4 is an exploded perspective view thereof, FIG. 5 is a top perspective view of the container body with the lid attached, and FIG. 6 is a front view of an example of the reversing mechanism.
Figure 7 is a side view, Figure 8 is a side view of the inverted state, Figure 9 is a side view of the
The figure is a front view of another example of the reversing mechanism, FIG. 10 is a side view thereof, and FIG. 11 is a perspective view of another example of the container body. 1.60...Container body, 2,61...Sliding plate,
3,65... Entrance/exit, 4... Mounting plate (removal mechanism),
4a...Rail groove, 10...Powder transfer machine, 12.
... Passage port, 13... Communication port, 14... Flange,
16...Screw, 17...DC motor, 20.
66...Lid, 30.50...Reversing mechanism, 34.51
...Container cradle, 38...Fixing handle, 41
...Reversing handle, 44...Discharge port, 52...
Drive wheel, 53... Support roller, 54... Drive roller, 55... Drive machine.

Claims (2)

[Claims] (1) A container body formed in a cylindrical or square tube shape, a pair of sliding plates provided opposite to each other on the inner surface of one end in the axial direction of the container body and inclined inward toward the end surface; Equipped with a rectangular powder/granular material entrance/exit formed at the terminal end of the sliding plate and opened at the end face of the container body, and an attachment/detachment mechanism for selectively attaching/detaching the lid or the powder/granular material transfer device to said entrance/exit. A powder container featuring: (2) In the powder container according to claim (1),
The powder transfer machine, which is detachably attached to the above-mentioned entrance/exit, has a cylindrical feeder main body, which has a communication port that matches the above-mentioned entrance/exit on one end side, and a passage opening opened to the outside on the other end side, and A granular material container comprising a driving means for moving granular material between an opening and a communication port.