JP3370975B2 - Packaging machine - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packaging machine for packing powders and / or tablets into a bag in predetermined amounts.

[0002]

2. Description of the Related Art Generally, in hospitals, clinics, etc., medicines such as powders and tablets prepared in accordance with a doctor's prescription are individually or united into a sachet and supplied to a patient. I am trying. Conventionally, as a packaging machine for performing such packaging work of medicines, for example, Japanese Patent Publication No. 53-2
A simple type (semi-automatic type) packaging machine having a powder portion and a tablet portion as disclosed in Japanese Patent No. 2345 is known. In this type of packaging machine, the powder-discharging section is provided with a V-shaped box with an opening / closing plate for charging the powder, and a plurality of powder-dispensing units for reciprocatingly provided below the V-shaped chamber for storing a fixed amount of the powder. It is configured to include a body and a lid opening / closing mechanism that opens the opening / closing lid provided at the bottom of each of the powder medicine storage bodies at a predetermined position to drop the powder medicine in the powder medicine storage body downward. On the other hand, the tablet unit is provided with a dividing box for manually distributing the tablets and a plurality of tablet containers for reciprocating below the dividing box and storing the tablets in the dividing box, and each of these tablets. A lid opening / closing mechanism that opens an opening / closing lid provided at the bottom of the container at a predetermined position to drop the tablets in the tablet container downward is configured. In such a packaging machine, the powder or tablet is stored by intermittently moving the powder container containing the powder or the tablet container containing the tablets and opening the open / close lid of each container at a predetermined position. The powder or tablets are dropped into a chute below and packaged in a packaging sheet.

This simple type packaging machine is small in size and light in weight, easy to handle, and inexpensive in price. Therefore, it is widely used especially in small and medium-sized hospitals and clinics.

[0004]

However, in the conventional packaging machine of this kind, when the powder which is divided and stored in the powder container is dropped by opening the opening / closing lid, the powder is stored in the powder container. When it adheres to the inner wall surface of the body, etc., there is a problem that it is not possible to reliably drop the entire amount of powder contained in this powder container, and as a result, it hinders the even distribution and packaging of the powder. There was a problem.

The present invention has been made in view of the above problems, and provides a packaging machine capable of surely dropping the powder in the powder containing body downward so that the powder can be evenly divided and packaged. The purpose is to provide.

[0006]

To SUMMARY operation, and effects of the Invention The accomplishment of the foregoing, the packing machine according to the present invention is provided with a plurality of powder storage chamber to divide accommodating the powder, 1
Store one minute's worth of powder in each powder storage,
In a packaging machine for opening a lid provided at the bottom of each powder storage chamber at a predetermined position to drop the powder in the powder storage chamber downward and to seal the powder in a predetermined amount in a bag,
Control means for simultaneously opening the respective opening / closing lids of two adjacent powder agent storage chambers and controlling the opening operation of the opening / closing lids so as to continuously open the opening / closing lids corresponding to one powder agent storage chamber twice. It is characterized by including.

[0007] In the present invention, when the powder divided housed in a plurality of powder storage chamber comes up powders falling position, are opened lid provided at the bottom of the powder storage chamber powders of the powder containing chamber 1 One powder package for each powder container
It is dropped and packaged so as to correspond to . During the opening operation of the opening / closing lid, the opening / closing lids of the two adjacent powder powder accommodating chambers are simultaneously opened, and the opening / closing lid corresponding to one powder medicine accommodating chamber is continuously opened twice. Therefore, the first opening operation causes the powder in the powder storage chamber to drop downward, and the second opening operation ensures that the powder remaining in the powder storage chamber that cannot be completely dropped falls downward. . Therefore, it is possible to avoid the problem of the powder adhering to the inner wall surface or the like of the powder storage chamber, and it is possible to evenly divide and package the powder.

In the present invention, the powder storage chamber is configured to evenly divide and receive the powder dropped from the V-shaped chamber arranged above, and the number of divided powders by the powder storage chamber is divided. It is preferable that the number is at least one divisional number larger than the longitudinal size of the powder contained in the V-shaped cell. With this configuration, the powder that has spilled at the end of the V-shaped container can be reliably received in the extra powder-agent storage chamber, and the powder that has spilled can be reliably collected. .

[0009]

EXAMPLES Next, specific examples of the packaging machine according to the present invention will be described with reference to the drawings.

FIG. 1 is a perspective view showing a packaging machine according to an embodiment of the present invention with an upper lid and a front lid opened, and FIG. 2 is a partial cross-sectional view of the packaging machine seen from the side.

The packaging machine according to the present embodiment comprises a body 1 formed in a flat shape, an upper lid 2 that is openably and closably attached above the body 1, and a front lid 3 that is openably and closably attached to the front of the body 1. The shelf board 4 provided so as to cover the upper opening of the machine body 1. A powder packaging unit 5 for packaging the powder is arranged above the shelf board 4, and a tablet packaging unit for packaging the tablets is located further above the powder packaging unit 5 toward the rear part. 6 are provided. Further, below the shelf board 4, a packaging device 7 for sealing and packaging a powder and / or a tablet by a predetermined amount is arranged.

The powder packing unit 5 has a first endless belt 8 as an endless belt for powder which is rotatably driven by a motor (not shown), and a circumference of the first endless belt 8 is about a half circumference of the endless belt 8. A plurality of pieces (in the example of the figure, 2
(3 pieces) powder container 9.

As shown in FIG. 3 and FIG. 4, each powder container 9 has two powder container chambers 9b and 9c defined by a partition wall 9a provided at the center in the vertical direction. It has a shape having opening and closing lids 10 and 10 which are rotatable around one end edges of the powder-containing chambers 9b and 9c in the lower part. Here, the open / close lids 10 are normally operated by the attraction force of a magnet (not shown) in the powder agent storage chambers 9b, 9c.
When the bottom portions of the powder storage chambers 9b, 9c reach the predetermined powder drop positions, the locking projection 10a on one side engages with the lid opening / closing mechanism (not shown), whereby the powder storage chambers 9b, 9b
It operates to open the bottom of 9c. The first
Since 23 powder container 9 are supported around the endless belt 8 of, the maximum of 4 powders can be stored in one sachet operation.
It is possible to divide 6 powders. However, in the packaging machine of this embodiment, the powder storage chamber located at the outermost end is used only for receiving the powder that has spilled at the end of the V-shaped box, which will be described later. The parcels are separated. This 45 packets corresponds to the number of packets for 15 days with the number of doses taken 3 times a day.

The powder packaging unit 5 includes the upper lid 2
A powder supply device 11 is disposed at the front of the above and above the transfer path of the powder container 9. The powder supply device 11 includes a vertical support block 12 extending in the longitudinal direction of the machine body 1, end plates 13 and 13 arranged at both ends of the support block 12, and a space between the end plates 13 and 13. A structure having an opening / closing plate 14 provided on the above-mentioned supporting block 12 to form a V-shaped box, and a partition plate 15 provided inside the V-shaped box and movable in the longitudinal direction of the supporting block 12 and the opening / closing plate 14. It is said that. Here, the opening / closing plate 14 is connected to the end plates 13 and 13 by a pin 16 and is rotatable between a solid line position and a two-dot chain line position in FIG. 2, and the one end plate 13 and the partition plate 15 and The powder contained in the V-shaped box surrounded by the support block 12 and the opening / closing plate 14 is dropped into the powder container 9 below by rotating the opening / closing plate 14 to the position of the chain double-dashed line. In FIG. 2, reference numeral 17 denotes a stopper that prevents the opening / closing plate 14 from rotating more than a predetermined angle.

As shown in FIG. 5, the first endless belt 8 which supports the plurality of powder-containing containers 9 has the sprocket on one end side (right side in this example) as the center and the other end side on the other side. It can be pulled out toward the front side.
The cleaning operation for the powder adhering inside or around the powder container 9 is performed with the first endless belt 8 pulled out to the front side as shown in FIG.

The tablet packaging unit 6 is rotatably driven by a support plate 18 arranged above the shelf plate 4 in parallel with the shelf plate 4 and a motor (not shown) along the upper surface of the support plate 18. A second endless belt 19 as an endless belt for tablets, and a second endless belt 19 are arranged around the second endless belt 19 so as to be adjacent to each other over substantially the entire circumference of the second endless belt 19, and on the support plate 18. A plurality of (46 in the illustrated example) tablet storage bodies 21 supported on the support plate 18 by rolling wheels 20. An opening / closing lid 22 having substantially the same structure as that of the powder container 9 is provided at the bottom of each tablet container 21. The opening / closing cover 22 is provided with each of the tablets when the tablet container 21 reaches a predetermined tablet dropping position. The bottom of the container 21 is opened and the tablets contained therein are operated to drop downward.

Further, the tablet packaging unit 6 is provided with a tablet dividing box 23 having an opening / closing shutter, which is located at the rear portion of the upper lid 2 and above the transfer path of the tablet container 21. . This tablet dividing box 23 is a tablet container 21.
The number of tablets to be packaged is the same as the number of the tablets to be stored in the tablet dividing box 23 by hand division, and is stored in each tablet storage body 21 arranged below by the opening operation of the opening / closing shutter. It is like this.

The packaging device 7 has a structure known per se, and is a roll body 2 of a heat-fusible packaging sheet.
4, a support shaft 25 that detachably supports, and this support shaft 25
And a sealing device 26 provided on the transfer path of the packaging sheet fed out from. In this packaging device 7, the packaging sheet unrolled from the roll body 24 is folded in two in the width direction, and the powder and / or tablet is supplied from above between the folding parts, and the sealing device 26 extends the packaging sheet in the width direction. By heat-sealing the side edges, the package 27 in which the medicine is packaged is formed.

Next, the operation of the packaging machine having the above construction will be described. When packaging the powder, first
After the position of the partition plate 15 of the powder supply device 11 is adjusted according to the number of divided powders, the powder is placed in a V-shaped box surrounded by one end plate 13, the partition plate 15, the support block 12 and the opening / closing plate 14. To even out the surface of the powder. Next, the opening / closing plate 14 is rotated from the solid line position in FIG. 2 to the alternate long and two short dashes line position to drop the powder in the V-shaped box into the powder storage chambers 9b, 9c of the powder storage 9 below. Then, the powder is uniformly divided and supplied into each of the 45 powder-containing chambers 9b and 9c except the powder-containing chamber at the end.

Next, all the powder container 9 is temporarily withdrawn from the powder dropping position located at the substantially central portion of the shelf board 4.
The first endless belt 8 is rotationally driven by a motor drive, and then the first endless belt 8 is intermittently driven in the opposite direction to sequentially dispose the powder container 9 from the powder container 9 located on the tip side. Move to the powder drop position.
In this way, when each of the powder storage chambers 9b, 9c reaches the predetermined powder drop position, the opening / closing lid 10 is operated in the opening direction by the operation of the lid opening / closing mechanism (not shown), whereby the powder storage chamber 9 is opened.
The bottoms of b and 9c are opened so that the powder storage chambers 9b and 9b
The powder in c falls down. The opening / closing lid 10 is opened so that the opening / closing lids 10 and 10 of the powder agent storage chambers 9b and 9c adjacent to each other are simultaneously opened, and corresponds to one powder agent storage chamber 9b (or 9c). The open / close lid 10 is opened twice in a row. By doing so, the powder in the powder medicine storage chamber 9b (or 9c) is dropped downward by the first opening operation, and cannot be completely dropped by the second opening operation, so that the powder is stored in the powder medicine storage chamber 9b (or 9c). The remaining powder is surely dropped downward. Further, the powder storage chamber located at the outermost end is used to receive the powder that has spilled at the end of the V-shaped box. That is, the powder that has spilled at the end of the V-shaped box can be reliably received in the powder-containing container at the end of the powder.
The collection of this spilled powder into the final package is ensured.

On the other hand, in the packaging device 7, the packaging sheet is unwound from the roll body 24 at the same timing as the dropping of the powder, and the packaging sheet continuously receives the powder falling from above through the hopper at a predetermined position. Is packaged.

When packing tablets, first, the tablets are divided and stored by hand in the tablet dividing box 23,
When the open / close shutter is opened and the tablets in the tablet dividing box 23 are dropped downward, the tablets are divided and stored in the respective tablet storage bodies 21 below.

Next, in the same manner as the above-mentioned packaging of the powder, the second endless belt 19 is intermittently driven to sequentially move each tablet container 21 to the tablet dropping position. In this way, the tablets dropped at the tablet dropping position are supplied to the lower packaging device 7 via the chute, and the packaging device 7 performs continuous packaging in the same manner as described above. The tablet container 21 is different from the powder container 9 in that the opening / closing lids 22 at the bottom of the tablet container 21 are sequentially opened one by one.

To clean the powder inside the powder container 9 and its surroundings, pull out one end of the first endless belt 8 to the front as shown in FIG. 5 with the upper lid 2 open. It is done using the attached vacuum cleaner.

In the above description, a case was described in which only powders or tablets were packaged. However, in the packaging machine of this embodiment, the powders and tablets are packaged at the same time, depending on the order of taking the powders and tablets, The driving of the first endless belt 8 and the second endless belt 19 can be appropriately controlled so that alternate packaging can be performed.

In this embodiment, the powder storage container and the tablet storage member are supported by the endless belt, but an endless chain can be used instead of the endless belt.

In this embodiment, the powder container 9 is divided into two powder container chambers 9b, which are defined by a partition wall 9a in the center.
Although it has been described as having 9c, it is not necessary to limit the number of powder storage chambers provided in one powder storage container to two, and three or more powder storage chambers may be provided. Also, the tablet container 2
Similarly, with respect to No. 1, two or more tablet storage chambers can be provided in one tablet storage body.

[Brief description of drawings]

FIG. 1 is a perspective view showing a packaging machine according to an embodiment of the present invention with an upper lid and a front lid opened.

FIG. 2 is a partial cross-sectional view of a packaging machine according to an embodiment of the present invention seen from a side direction.

FIG. 3 is a partial plan view of a powder packaging unit in a packaging machine according to an embodiment of the present invention.

FIG. 4 is a perspective view of a powder container in a packaging machine according to an embodiment of the present invention.

FIG. 5 is a perspective view showing a packaging machine according to an embodiment of the present invention in a state during cleaning.

[Explanation of symbols]

5 powder packaging unit 6 Tablet packing unit 7 Packaging equipment 8 First endless belt 9 powder container 9a bulkhead 9b, 9c powder storage room 10,22 Open / close lid 11 Powder supply device 19 Second Endless Belt 21 tablet storage 23 tablets for tablets

─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-3-256802 (JP, A) JP-A-58-99301 (JP, A) Actually open 1-14-1501 (JP, U) Actually open 59- 39638 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) B65B 1/00-3/36

Claims (2)

(57) [Claims] 1. A plurality of powder-storing chambers for separately storing powders, and one powder-storing chamber for one package
In the packaging machine for storing the powder, and opening and closing the opening / closing lid provided at the bottom of each powder storage chamber at a predetermined position, the powder in the powder storage chamber is dropped downward and sealed in a predetermined amount in a bag body. A control means is provided for simultaneously opening the opening / closing lids of two adjoining powder storage chambers, and controlling the opening operation of the opening / closing lids so that the opening / closing lids corresponding to one powder storage chamber are continuously opened twice. A packaging machine characterized by being provided. 2. The powder medicine storage chamber is configured to evenly divide and receive the powder medicine dropped from the V-shaped chamber arranged above, and the number of divided powder medicines by the powder medicine storage chamber is the same as the above. The packing machine according to claim 1, wherein the number of the powdered powder contained in the V-shaped container is at least one division larger than the longitudinal size of the powdered powder.