JPH07110708B2 - Storage device for dropping items - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention prevents an impact due to a drop when an article that is continuously produced or an article stored in a small container is dropped and stored in a large container. The present invention relates to an article storage device that can prevent an item from being scratched or cracked.

In addition, the article refers to tablets, capsules, etc. against impact,
A material that is easily scratched, chipped, cracked, or worn.

[Conventional technology]

Conventionally, when storing an article in a container, the article is dropped into the container from above.

Further, there is known an article drop impact reducing device which has a spiral chute and always keeps the free fall height of the article to a minimum (see Japanese Patent Publication No. 1-21688).

[Problems to be Solved by the Invention]

In the conventional storage method of dropping from the upper part, there is a problem that the article is broken or cracked.

Further, in the article drop impact alleviation device described in the prior art, the speed of the article is suppressed by the spiral chute, further, since the free fall height is always kept to a minimum, It is said that the incidence of cracking will decrease.

However, since the sliding distance of the spiral chute is long, there is a problem that the article is worn. In addition, there is a problem that the free fall height of the article is not constant because the distance from the article surface is not always kept constant.

The present invention has been made in view of such problems of the conventional device, and the purpose thereof is to supply an article to a hopper without using a spiral chute, and It is intended to provide a dropping storage device for articles that are lowered and discharged to a minimum position where they are not damaged.

[Means for Solving the Problems]

In order to achieve the above-mentioned object, the present invention provides a hopper having an inlet to be supplied from a chute at an oblique upper portion and a discharge hole at a lower end, and a cylindrical hopper suspension having the lower end attached to the upper end of the hopper. Lower part, a chain connected to the upper end of the hopper hanging part for hanging the hopper hanging part, a chain lifting arm device for lifting the chain, and air attached to the inside of the hopper hanging part. A cylinder and a piston, a fixed rod connected to the lower end of the piston of the air cylinder, a distance sensor attached to the lower end of the fixed rod, and a cone for opening and closing the discharge hole attached to the lower part of the fixed rod. When a certain amount of articles are supplied from the receiving port into the hopper by the chute, the chute raising and lowering arm device operates to attach the hopper to the tip of the chain and the hopper. , Descending inside the large container, the distance sensor detects the distance to the bottom of the large container or the article and stops at a height where the article is not damaged even if dropped and released, and then the piston of the air cylinder operates. Thus, the fixing rod and the cone lid are lowered, whereby the discharge hole of the hopper is opened and the article can be dropped into a large container.

The chain lifting arm device is an arm whose one end is fixed to the upper end of the bucket box to which the chute is attached and whose other end extends horizontally to above the chain, and on the arm in parallel with the longitudinal direction of the arm. A rotatably arranged screw shaft, a motor for rotating the screw shaft, a slider that is screwed onto the screw shaft and slides along a rotation-stop guide, and a movable chain wheel attached to a side surface of the slider. A chain wheel mounted on the arm by a chain wheel bracket to turn the vertically suspended chain horizontally, and winding the chain hung on the chain wheel around the movable chain wheel. After mounting, attach the end to the screw shaft bracket of the above screw shaft. It can be formed from a metal.

Further, in addition to the basic configuration described above, the hopper suspension device can be made extendable.

In addition to the basic configuration, the outer circumference of substantially the entire hopper suspension is covered with a bellows, the upper end of the bellows is attached to the lower surface of the arm, and the lower end is attached to the lower part of the hopper suspension. be able to.

Further, in addition to the basic structure, the fixing rod can be connected to the piston of the air cylinder in a stretchable manner.

[Action]

When a certain amount of articles are supplied from the receiving port into the hopper by the chute, the motor of the chain lifting arm device is actuated, which causes the screw shaft to rotate and the slider screwed into the screw shaft and the slider. The movable chain wheel attached to the side surface moves from the position shown by the solid line in FIGS. 1 and 2 toward the position shown by the phantom line.

As a result, the moving chain wheel and the chain wound around the chain wheel are lowered, and the tip of the chain is suspended. It descends as shown by the phantom line.

Then, the distance sensor detects the distance to the bottom of the large container and thereafter to the article, and stops the operation of the motor of the chain lifting arm device at a height where the article is not damaged even if it is discharged.

At the same time, the piston of the air cylinder is actuated to lower the fixing rod and cone lid as shown by the phantom line in Fig. 1, thereby opening the discharge hole of the hopper and dropping the article into a large container. To be crowded.

When the work of discharging the article is finished, the piston of the air cylinder raises the fixing rod and the cone lid to the original position, and at the same time, the motor of the chain raising / lowering arm device operates to reversely rotate the screw shaft. The slider screwed on the screw shaft and the movable chain wheel attached to the side surface of the slider move from the position shown by the phantom line in FIGS. 1 and 2 to the original position shown by the solid line. .

As a result, the chain that is wound around the moving chain wheel and chain wheel is pulled and rises,
The hopper suspension and the hopper suspended from the chain are raised to the original position as shown by the solid line in FIG.

If the fixing rod is connected to the piston of the air cylinder so that it can expand and contract, the height of the distance sensor is adjusted to adjust the height at which the article is dropped and discharged.

〔Example〕

 Examples will be described with reference to the drawings.

1 and 2, an article storage device according to the present invention is provided with a receiving port 2 which is supplied from a chute 1 to an obliquely upper portion.
A hopper 4 having a discharge hole 3 at the lower end, a cylindrical hopper suspension 5 having the lower end attached to the upper end of the hopper 4, and a hopper suspension connected to the upper end of the hopper suspension 5 A chain 6 for suspending the lowering tool 5, a chain lifting arm device 7 for lifting the chain 6, the hopper hanging tool 5
An air cylinder 18 and a piston 19 attached to the inside of the air cylinder 18, a fixed rod 20 connected to the lower end of the piston 19 of the air cylinder 18, a distance sensor 21 attached to the lower end of the fixed rod 20,
It is formed of a cone lid 22 attached to the lower portion of the fixing rod 20 for opening and closing the discharge hole 3.

Then, the chain lifting arm device 7 includes the chute 1
An arm 8 having one end fixed to the upper end of the attached bucket box 23 and the other end horizontally extending above the chain 6, and disposed on the arm 8 rotatably in parallel with the longitudinal direction of the arm 8. Screw shaft 9, the screw shaft 9
A motor 10 for rotating the slider, and a slider that is screwed onto the screw shaft 9 and slides along the rotation-stop guide 11.
12, a movable chain wheel 13 attached to the side surface of the slider 12, and a chain wheel bracket 14 for horizontally changing the vertically suspended chain 6.
Chain wheel 1 mounted on arm 8 by
5, a chain end fitting 17 for attaching the chain 6 hung on the chain wheel 15 to the moving chain wheel 13 and then attaching the end of the chain 6 to the threaded shaft bracket 16 of the threaded shaft 9. There is.

Therefore, when a certain amount of articles are supplied from the chute 1 into the hopper 4 from the receiving port 2, the chain lifting arm device 7 is actuated to operate the hopper suspending tool 5 and the hopper attached to the tip of the chain 6. 4 moves down in the large container 24, the distance sensor 21 detects the distance to the bottom of the large container 24 or the article, and stops at a height at which the article is not damaged even if dropped and discharged. By actuating the piston 19 of the air cylinder 18, the fixing rod 20 and the cone lid 22 are lowered, whereby the discharge hole 3 of the hopper 4 is opened and the article can be dropped into the large container 24. There is.

The hopper hanging device 5 is formed so as to be expandable and contractible like a portable folding cup.

The outer circumference of almost the entire hopper suspension 5 is covered with a bellows 25, the upper end of the bellows 25 is attached to the lower surface of the arm 8, and the lower end thereof is attached to the lower part of the hopper suspension 5. Has been done.

The fixed rod 20 is screwed to the piston 19 of the air cylinder 18 and is stretchably connected to the piston 19.

In the drawings, 26 is a motor bracket for mounting the motor 10 on the arm 8, 27 is a motor gear, 28 is a screw shaft gear that meshes with the motor gear, and 29 is a hole formed in the arm 8. It is a through hole for passing the chain 6.

In the above-described embodiment, the hopper suspension 5 is formed to be expandable and contractible, and the outer circumference of the hopper suspension 5 is bellows.
25, or the fixed rod 20 is connected to the piston 19 of the air cylinder 18 so as to be able to extend and contract.
The slider 12 which is screwed onto the screw shaft 9 is slid by this, and the movable chain wheel 13 attached to the side surface of the slider is slid so that it is wound around the movable chain wheel 13 and the chain wheel 15. The chain 6 is formed so as to move up and down, but is not limited thereto.

〔The invention's effect〕

Since the present invention is configured as described above, it has the following effects.

When dropping products that are continuously produced or stored in small containers into large containers and store them, the drop height is measured so that the drop rate of the hopper is measured with a distance sensor and the products are not damaged even if they are dropped and discharged. Therefore, the impact due to falling is prevented and the article is scratched, chipped, cracked,
It is possible to prevent abrasion.

Furthermore, it is possible to always provide high quality products.

Moreover, in the invention according to claim 1, the chain is hung on the chain wheel attached to the arm of the chain lifting and lowering arm device, and is then wound around the moving chain wheel attached to the slider like a pulley. So, by the principle of pulley
The end portion of the chain can be moved up and down twice as much as the movement of the moving chain wheel, which allows the chain lifting arm device to be further downsized.

In addition, when the chain lifting arm device is attached to the upper end of the bucket box via the arm, manufacturing, inspection, repair, etc. can be easily performed regardless of the bucket box.

On the other hand, according to the invention as defined in claim 2, since the hopper suspending device is made flexible, it is possible to provide a high quality product by preventing cracking, chipping, abrasion, etc. of the article. In addition, it is possible to shorten the ascending / descending distance by the chain, that is, the moving distance of the movable chain wheel, which allows the chain ascending / descending arm device to be further downsized.

Further, according to the invention of claim 3, since the outer circumference of substantially the entire hopper suspension is covered with the bellows,
In addition to the basic effects described above, it is possible to prevent the lubricating oil of the hopper suspension from falling, and to prevent it from falling into a large container such as dust adhering to the surface of the hopper suspension.

Further, according to the invention as set forth in claim 4, since the fixing rod is connected to the piston of the air cylinder so as to extend and contract, the height position of the distance sensor can be adjusted in addition to the basic effect described above. It is also possible to adjust the height at which articles are dropped and discharged.

[Brief description of drawings]

FIG. 1 is a vertical sectional side view of an essential part showing an embodiment of an article storage device according to the present invention, and FIG. 2 is a plan view of the essential part. 1 ... Shoot, 2 ... Inlet, 3 ... Outlet hole, 4 ...
Hopper, 5 ... Hopper suspension, 6 ... Chain, 7 ...
... Chain lifting arm device, 8 ... Arm, 9 ... Screw shaft, 10 ... Motor, 11 ... Rotation stop guide, 12
...... Slider, 13 ...... Movement chain wheel, 14 …… Chain wheel bracket, 15 …… Chain wheel, 16…
… Screw shaft bracket, 17 …… Chain end bracket,
18 …… air cylinder, 19 …… piston, 20 …… fixed rod, 21 …… distance sensor, 22 …… cone lid, 23 …… bucket box, 24 …… large container, 25 …… bellows, 26 …… motor Bracket, 27 …… Motor gear, 28 …… Screw shaft gear, 29 …… Through hole

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Akira Kishi 3-24-1 Takada, Toshima-ku, Tokyo Taisho Pharmaceutical Co., Ltd. (72) Hiroyuki Ikeda 3-24-1 Takada, Toshima-ku, Tokyo Taisho (72) Inventor Yasuo Shimada 104 Nishinokyo Minamikamigocho, Nakagyo-ku, Kyoto City, Kyoto Prefecture (72) Keiji Shimada 104 Address Nishinokyo Minamikamigocho, Nakagyo-ku, Kyoto City, Kyoto Prefecture (56) References JP-B 56-43921 (JP, B2) JP-B 1-222168 (JP, B2) Jpn. 43-3722 (JP, Y1)

Claims (4)

[Claims] 1. A hopper (4) having a receiving port (2) supplied from a chute (1) at an oblique upper portion and a discharge hole (3) at a lower end, and a lower end of the hopper (4) at an upper end thereof. The attached tubular hopper suspension (5), a chain (6) for suspending the hopper suspension (5) connected to the upper end of the hopper suspension (5), and the chain (6) ) For lifting and lowering the chain, an air cylinder (1) attached to the inside of the hopper suspension (5).
8) and a piston (19), a fixed rod (20) connected to the lower end of the piston (19) of the air cylinder (18), a distance sensor (21) attached to the lower end of the fixed rod (20), It consists of a cone lid (22) for opening and closing the discharge hole (3) attached to the lower part of the fixing rod (20), and the chute (1) allows an article to be fed from a receiving port (2) to a hopper (2). When a constant amount is supplied to the inside of 4), the pendant lifting device (7) attached to the tip of the chain (6) and the hopper (4) are attached to each other by the operation of the chain lifting arm device (7). When descending in the large container (24), the distance sensor (21) detects the distance to the bottom of the large container (24) or the article and stops at a height where the article is not damaged even if dropped and discharged. , The fixed rod (20) and the cone lid (22) by the operation of the piston (19) of the air cylinder (18). By which the discharge hole (3) of the hopper (4) is opened so that the article can be dropped into the large container (24). ) Is attached to the upper end of the bucket box (23) to which the chute (1) is attached, one end of which is fixed, and the other end of which extends horizontally above the chain (6), on the arm (8) A screw shaft (9) rotatably arranged parallel to the longitudinal direction of the arm (8), a motor (10) for rotating the screw shaft (9), and a screw shaft (9) screwed into the screw shaft (9). The slider (12) that slides along the anti-rotation guide (11), the moving chain wheel (13) attached to the side surface of the slider (12), and the chain (6) suspended in the vertical direction are horizontal. Chien Hoi to change direction The chain wheel (15) attached to the arm (8) by the bracket (14), the chain (6) hung on the chain wheel (15) is wound on the movable chain wheel (13), and then the terminal And a chain end fitting (17) for attaching the screw shaft bracket (16) to the screw shaft bracket (16) of the screw shaft (9). 2. A hopper (4) having an inlet (2) supplied from a chute (1) in an obliquely upper portion and a discharge hole (3) in a lower portion, and a lower end of the hopper (4) at an upper end thereof. The attached tubular hopper suspension (5), a chain (6) for suspending the hopper suspension (5) connected to the upper end of the hopper suspension (5), and the chain (6) ) For lifting and lowering the chain, an air cylinder (1) attached to the inside of the hopper suspension (5).
8) and a piston (19), a fixed rod (20) connected to the lower end of the piston (19) of the air cylinder (18), a distance sensor (21) attached to the lower end of the fixed rod (20), It is composed of a cone lid (22) for opening and closing the discharge hole (3) attached to the lower portion of the fixing rod (20), and articles from the chute (1) to hoppers (2) from the receiving port (2). 4) When a certain amount is supplied to the inside, the chain lifting arm device (7)
By the operation of the hopper, the hopper suspension (5) and the hopper (4) attached to the tip of the chain (6) become a large container (24).
Inside, the distance sensor (21) is moved to the large container (24).
Of the fixed rod (20) and the stationary rod (20) by the operation of the piston (19) of the air cylinder (18) by detecting the distance from the bottom of the The cone lid (22) is lowered, whereby the discharge hole (3) of the hopper (4) is opened so that articles can be dropped into a large container (24). An article storage device for storing articles, wherein the lower part (5) is made extendable. 3. A hopper (4) having a receiving port (2) supplied from a chute (1) at an oblique upper portion and a discharge hole (3) at a lower end, and a lower end of the hopper (4) at an upper end thereof. Wearing tubular hopper hanging device (5), chain (6) for hanging the hopper (5) connected to the upper end of the hopper hanging device (5), and raising and lowering the chain (6) An arm device (7) for raising and lowering a chain, an air cylinder (18) and a piston (19) attached to the inside of the hopper suspension (5), and a piston (1) of the air cylinder (18).
The fixed rod (20) connected to the lower end of 9), the fixed rod (20)
A distance sensor (21) attached to the lower end of the fixing rod (20), and a cone lid (22) attached to the lower part of the fixing rod (20) to open and close the discharge hole (3). When a certain amount of articles are supplied from the receiving port (2) into the hopper (4) by the (1), the chain lifting arm device (7) is actuated to suspend the hopper attached to the tip of the chain (6). The lower component (5) and the hopper (4) descend in the large container (24), and the distance sensor (21) detects the distance to the bottom of the large container (24) or the product to drop and discharge the product. It stops at a height where it will not be damaged even if it is damaged, and then the piston (19) of the air cylinder (18) is actuated to lower the fixing rod (20) and the cone lid (22), and thereby the hopper (4). The discharge hole (3) can be opened to drop the article into the large container (24). The hopper suspension (5) is covered with a bellows (25), and the upper end of the bellows (25) is attached to the lower surface of the arm (8). Is attached to the lower part of the above-mentioned hopper hanging device (5), and the storage device for dropping articles is characterized in that 4. A hopper (4) having a receiving port (2) supplied from a chute (1) at an oblique upper portion and a discharge hole (3) at a lower end, and a lower end of the hopper (4) at an upper end of the hopper (4). Wearing tubular hopper hanging device (5), chain (6) for hanging the hopper (5) connected to the upper end of the hopper hanging device (5), and raising and lowering the chain (6) An arm device (7) for raising and lowering a chain, an air cylinder (18) and a piston (19) attached to the inside of the hopper suspension (5), and a piston (1) of the air cylinder (18).
The fixed rod (20) connected to the lower end of 9), the fixed rod (20)
A distance sensor (21) attached to the lower end of the fixing rod (20), and a cone lid (22) attached to the lower part of the fixing rod (20) to open and close the discharge hole (3). When a certain amount of articles are supplied from the receiving port (2) into the hopper (4) by the (1), the chain lifting arm device (7) is actuated to suspend the hopper attached to the tip of the chain (6). The lower component (5) and the hopper (4) descend in the large container (24), and the distance sensor (21) detects the distance to the bottom of the large container (24) or the product to drop and discharge the product. It stops at a height where it will not be damaged even if it is damaged, and then the piston (19) of the air cylinder (18) is actuated to lower the fixing rod (20) and the cone lid (22), and thereby the hopper (4). It is possible to open the radiation hole (3) of the item and drop the article into the large container (24). The fixing rod (20) is an air cylinder (18).
The storage device for dropping articles according to claim 1, wherein the device is retractably connected to the piston (19).