JPH0225780Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention is a storage hopper in which materials such as powder are intermittently fed and replenished, and from within this hopper, a vibrating trough is used to transfer the material to the next process such as a weighing machine. When discharging, it is easy and
Moreover, the present invention relates to a device that reliably prevents spillage of materials such as powder without using a valve.

[Prior Art] A conventional device of this type will be explained with reference to FIG.
In the figure, 1 is a hopper for storing materials such as powder,
4 is a vibrating trough for discharging materials such as powder from inside the hopper to the next process, 6 is a vibrator for vibrating the vibrating trough 4, 7 is a vibration isolating member, 9 is a discharge port of the vibrating trough 4, and B is a This is a valve for opening and closing the discharge port of the hopper 1. Further, materials such as powder are transported into the hopper 1 by a transport means (not shown).

In this configuration, when feeding materials such as powder to the hopper 1, valve B provided at the hopper outlet is closed to prevent spilling of materials such as powder, and when discharging materials such as powder, valve B is opened. The reality was that I had done so.

[Problems to be solved by the invention] However, with this conventional type, valve operation is troublesome, and it is not possible to reliably prevent spillage of materials such as powder when feeding them intermittently. There were other drawbacks.

[Means for Solving the Problems] In view of the above, the present invention provides a means for intermittently feeding materials such as powder from a hopper to a vibrating trough using a transportation device that intermittently feeds the powder or other material from the hopper to the vibrating trough. Without using valves or rotary valves, the structure of the hopper and vibrating trough remains the same, and by raising and lowering the pipe-shaped member that fits around the hopper's outlet, it is possible to reduce spillage of material. The purpose is to provide equipment.

[Function] By raising and lowering the pipe-shaped member provided around the discharge port of the hopper according to the processing state of the powder or other material, it is possible to reliably prevent the powder or other material from spilling.

[Example] Examples of the present invention are shown in FIGS. 1 to 3. In these figures, 1 is a hopper, 3 is a pipe-shaped member provided around the discharge port of the hopper 1 to prevent material such as powder from spilling, and 2 is a linear actuator for raising and lowering the pipe-shaped member 3. , 4 is a vibrating trough for conveying materials such as powder discharged from the hopper 1 to the next process, 5 is a mounting member for the vibrating trough 4, 6 is a vibrator for vibrating the vibrating trough 4, and 7 is a vibration isolator. Component 8 is the discharge port of the hopper 3, 9
is an outlet of the vibrating trough 4, and 10 is a lid of the trough. Further, materials such as powder are transported into the hopper 1 intermittently by a transport means (not shown).

In this configuration, during the period in which the powder and other materials are fed into the hopper 1 during the period in which the powder and other materials are intermittently cut out to the next process, the pipe-shaped member 3 is moved by the linear actuator 2 as shown in FIG. The vibration trough 4 is lowered as shown in FIG. 2 to reduce the gap between the tip of the pipe-like member 3 and the bottom of the vibrating trough 4 to prevent powder and other materials from spilling.

On the other hand, during other periods, that is, during the period of intermittently supplying powder and other materials to the next process, when the powder and other materials are stopped being fed to the hopper 1 and the powder and other materials are continuously cut out, The pipe-shaped member 3 is raised by the linear actuator 2 as shown in FIG.
The gap between the tip of the pipe-like member 3 and the bottom of the vibrating trough 4 is increased to facilitate smooth conveyance.

Here, the feeding of powder and other materials to the hopper 1 is carried out depending on the level of the storage layer of powder and other materials in the hopper 1 and the amount of powder and other materials to be discharged to the next process.
The feeding of materials such as powder to the hopper 1 is stopped when the level of the material in the hopper 1 is full. Additionally, a flexible dustproof device may be provided to prevent dust from forming during the feeding of materials such as powder.

[Effects of the invention] According to the invention as described above, the pipe-shaped member provided around the discharge port for preventing spillage of powder and other materials is raised and lowered by a linear actuator, etc., and the pipe-shaped member is connected to the hopper discharge port. By opening and closing the gap at the bottom of the vibrating trough, the period of feeding powder and other materials to hopper 1 can be easily and without using a valve. This has the remarkable effect of reliably preventing spillage of powder and other materials, as well as facilitating smooth transportation of powder and other materials within the vibrating trough during other periods.

[Brief explanation of drawings]

Fig. 1 is a schematic diagram showing the overall external structure of the present invention, Fig. 2 is a sectional view taken along line X-X' of Fig. 1 showing the present invention with a gap in between, and Fig. 3 is a cross-sectional view of the present invention with the gap closed. The first figure is a cross-sectional view taken along the line X-X' showing the state in which it is set, and FIG. 4 is a schematic diagram of the structure of the conventional type. 1... Hopper, 2... Linear actuator, 3... Pipe-shaped member, 4... Vibration trough, 8
...Hopper outlet.

Claims (1)

[Scope of utility model registration request] A device consisting of a hopper for storing materials such as powder, a transportation means for feeding the material such as powder into the hopper, and a vibrating trough for discharging the material such as powder from the hopper to the next process. It consists of a pipe-shaped member that fits around the exit circumference and a means for raising and lowering the pipe-shaped member, and is used to transport powder and other materials to the hopper during the intermittent cutting period of the powder and other materials to the next process. During the feeding period, the pipe member is lowered by the elevating means to narrow the gap between the pipe member and the lower part of the vibrating trough to prevent powder and other materials from spilling, and during periods other than the feeding period, the above-mentioned The pipe member is raised by the elevating means to increase the gap between the pipe member and the lower part of the vibrating trough, thereby ensuring smooth transportation of materials such as powder within the trough. A device to prevent materials such as powder from spilling at the hopper outlet.