JPH0632397U - Powder storage device - Google Patents

Abstract

(57) [Summary] [Purpose] It is an object of the present invention to provide a powder storage device capable of storing powder and moving it freely in a factory, and further simplifying the powder discharging operation. To do. [Structure] A traveling caster is attached to the lower part of the device body. A hopper section for storing a predetermined amount of powder is formed in the apparatus body. Further, the powder discharge port of the hopper unit is provided with a choke valve for controlling discharge of powder in the hopper unit and an air cylinder for automatically opening and closing the choke valve by supplying air of a predetermined pressure. There is. Further, the air cylinder is provided with an air lock mechanism that temporarily holds the supply air inside the cylinder to continue the opening operation or the closing operation of the choke valve. Further, the air cylinder is provided with an air intake port that is detachably connected to any of the air supply means provided in various places in the factory.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a powder storage device capable of storing and moving several kinds of powders, which are raw materials of sintered products, for example.

[0002]

[Prior art]

 When producing sintered products such as cemented carbide tools using a dry granulator called a spray dryer, the raw material powders include powders (solid content) of tungsten carbide, cobalt, and other additives. Several powders are used. The above-mentioned several kinds of raw material powders are preliminarily compounded and then supplied into the dry granulation apparatus.

[0003]

[Problems to be solved by the device]

 By the way, normally, a space for blending the raw material powder is not secured around the dry granulation device, and the blending work is performed at a predetermined place in the factory separated from the dry granulation device. Moreover, at present, the work of transferring the blended raw material powder to the dry granulator is performed manually.

However, the amount of powder to be transferred to the dry granulation apparatus once is limited in human work, which requires a lot of labor and time.

The present invention has been made in view of the above circumstances, and it is possible to store powder and move the powder freely in a factory, and further, to simplify the powder discharging operation. The purpose is to provide a device.

[0006]

[Means for Solving the Problems]

 The gist of the present invention is to provide a main body of a device with a traveling caster attached to the lower part, a hopper for storing a predetermined amount of powder formed in the main body of the device, and a powder discharge port of the hopper, which is provided inside the hopper. The powder storage device is equipped with a choke valve for controlling the discharge of the powder and an air cylinder for automatically opening and closing the choke valve by supplying air at a predetermined pressure. The air cylinder is equipped with an air lock mechanism that temporarily holds the supply air inside the cylinder to maintain the opening or closing of the choke valve, and the air locks installed in various places in the factory. The device is characterized in that it is provided with an air intake port that is detachably connected to any of the supply means.

[0007]

[Action]

 According to the powder storage device of the present invention, for example, when several powders are compounded at a compounding place separated from the powder granulating device, several powders are mixed in the hopper of the device at the compounding place. By mixing the above and moving the entire apparatus by rolling the traveling casters, it is possible to easily transfer the powder to the powder granulating apparatus while reducing the human labor.

Further, the choke valve for discharging the powder is opened / closed by using an air supply means such as an air hose provided in various places in the factory such as the periphery of the drying and granulating device and the installation place to the air intake. It is done automatically just by connecting them.

Moreover, since the air cylinder is provided with the air lock mechanism for continuing the opening operation or the closing operation of the choke valve, the powder storage device is removed with the air supply means removed from the air intake port. Only moves between the dry granulator and the compounding station.

[0010]

【Example】

 Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings. However, the dimensions, materials, shapes, relative positions, etc. of the constituent parts described in this embodiment are not intended to limit the scope of the present invention to them unless otherwise specified. , It is just an example of explanation.

First, a configuration of the mobile hopper of the present invention will be described with reference to FIGS. 1 to 4. Reference numeral 1 in FIGS. 1 and 2 denotes a rectangular parallelepiped-shaped device main body formed of a plurality of angle members and the like, and traveling casters 2 ... Are attached to a lower portion of the device main body 1. The apparatus body 1 is provided with a powder intake port 3c that opens upward due to the swash plate material 3a, the side wall material 3b, and the like that are disposed inside the apparatus main body 1, and extends obliquely downward and then opens downward. A hopper portion 3 having a powder discharge port 3d is formed.

A vibe knocker 4 for vibrating the swash plate 3b is provided on the back surface of the swash plate 3b. By the operation of the vibrator knocker 4, the powder stored in the hopper section 3 is promptly moved to the powder discharge port 3d. A valve means 5 for controlling the discharge of the powder is connected to the powder discharge port 3d.

As shown in FIGS. 3 and 4, the valve means 5 is composed of a choke valve 6 and an air cylinder 7 that opens and closes the choke valve 6. The choke valve 6 includes a tubular casing 8 in which upper and lower flanges 8a and 8b are fixedly mounted, a sleeve valve 9 formed of a tubular cloth disposed inside the casing 8, and a casing 8 inside the casing 8. A plurality of choke ropes 10 arranged so as not to intersect in equal division and the choke ropes 10 ... bind (throttle) or unbundle (unwind) the center of the sleeve valve 9. It is roughly configured with a handle 11 for rotating all the choke ropes 10 ...

The air cylinder 7 is expanded by supplying a predetermined pressure of air to the cylinder body 7a and the first air supply port 12 of the cylinder body 7a, and the second air supply port 13 is also provided. The cylinder rod 7b is housed inside the cylinder body 7a when a predetermined pressure of air is supplied to the cylinder body 7a.

The tip of the cylinder rod 7b of the air cylinder 7 is connected to the handle 11 of the choke valve 6 by pin connection. As a result, when the air is supplied to the first air supply port 12 and the cylinder rod 7b extends, the choke ropes 10 ... Unbundle the sleeve valve 9 by the rotation of the handle 11, and the choke valve 6 opens. (Powder can be discharged) (see (b) of FIG. 4). On the other hand, when air is supplied to the second air supply port 13 and the cylinder rod 7b contracts, the choke ropes 10 ... Bind the sleeve valve 9 by the rotation of the handle 11, and the choke valve 6 closes. (Powder cannot be discharged) (see (a) of FIG. 4). The tip side of the cylinder body 7a is rotatably connected to a connecting plate 8c extending from the upper and lower flanges 8a and 8b.

Connection hoses 14a and 14b are connected to the first air supply port 12 and the second air supply port 13, respectively, and a terminal portion 12a of the fixing plate 15 shown in FIG. 13b is fixed.

Here, the air cylinder 7 is provided with an air lock mechanism (not shown) that temporarily holds the supply air supplied from the first air supply port 12a or the second air supply port 13a. Has been. With this air lock mechanism, even if the air having a predetermined pressure is not continuously supplied from the first air supply port 12a or the second air supply port 13a, the supply air inside the cylinder body 7a is temporarily held. The choke valve 6 has a structure in which the opening or closing operation is continued.

Next, the function and effect of the powder storage device having the above structure will be described. As shown in FIG. 5, when several kinds of powders are blended in the blending place B which is separated from the powder granulating apparatus A in the factory, first, in the blending place, the powder of this embodiment is mixed. Several kinds of powders are sequentially added to the hopper section 3 of the storage device S. Then, by rolling the traveling casters 2, ..., The entire apparatus is moved to the dry granulation apparatus.

As a result, it is possible to easily transfer the powder to the powder granulating apparatus A while reducing the human labor in the factory.

In addition, when the powder discharging operation is performed, any one of the air supply means C, such as an air hose provided in various places of the factory such as the periphery of the dry granulation apparatus A and the blending place B shown in FIG. The choke valve can be automatically opened and closed by simply connecting it to the end 12a of the first air supply port or the end 12c of the second air supply port.

Moreover, since the air cylinder 7 is provided with the air lock mechanism for continuing the opening operation or the closing operation of the choke valve 6, the end 12a of the first air supply port or the second air supply. With the air hose C removed from the mouth end 12b, only the powder storage device can be moved between the dry granulation device A and the blending place B. Thereby, the working environment of the factory can be improved.

[0022]

[Effect of device]

 Since the powder storage device of the present invention is configured as described above, for example, even when mixing several kinds of powder in a mixing place separated from the powder granulating device, the mixing place By mixing several kinds of powder into the hopper and moving the entire equipment by rolling the traveling casters, it is possible to easily transfer the powder while reducing human labor.

In addition, the choke valve for discharging the powder is opened and closed by using an air supply means such as an air hose provided in various places in the factory such as the periphery of the drying and granulating device and the installation place to the air intake. Since it is automatically performed only by connecting it, the powder discharging operation can be simplified, and the air cylinder is equipped with an air lock mechanism that keeps the choke valve open or closed. Therefore, with the air supply means removed from the air inlet, only the powder storage device can be moved between the dry granulation device and the blending place, and the working environment in the factory can be improved.

[Brief description of drawings]

FIG. 1 is a side view of a powder storage device according to the present invention.

FIG. 2 is a plan view of the powder storage device of the present invention.

FIG. 3 is a view showing a choke valve and an air cylinder used in the powder storage device of the present invention.

FIG. 4 is a perspective sectional view showing an opening / closing operation of a choke valve.

FIG. 5 is a schematic view showing a state in which the powder storage device of the present invention is used in a factory where a dry granulation apparatus is installed in the factory.

[Explanation of symbols]

 1 Device Main Body 2 Running Caster 3 Hopper 5 Valve Means 6 Choke Valve 7 Air Cylinder 7a Cylinder Main Body 9 Sleeve Valve 10 Choke Rope 12 First Air Supply Port (Air Intake) 12a First Air Supply Port End 13th 2 Air supply port (air intake port) 13a End of second air supply port A Dry granulation device (device to which powder is supplied) B Blending site C Air supply means S Powder storage device

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Nio Watanabe No. 14-16, 9th Kitaichi Kitan, Chiyoda-ku, Tokyo

Claims (1)

[Scope of utility model registration request] 1. A device main body having a traveling caster attached to a lower portion thereof, a hopper portion for storing a predetermined amount of powder formed in the device main body, and a hopper portion provided at a powder discharge port of the hopper portion. And a choke valve for controlling the discharge of the powder, and an air cylinder for automatically opening and closing the choke valve by supplying air of a predetermined pressure. An air lock mechanism is provided for temporarily holding the choke valve to keep the choke valve open or closed, and an air intake unit detachably connected to any of the air supply means provided in various places in the factory. A powder storage device having an inlet.