JP3479673B2 - 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 as described above, the powder container and / or
Alternatively, since each of the tablet storage bodies has a structure that reciprocates in the longitudinal direction of the device, at least 2 times the length of the storage body group.
There is a problem that the device length becomes double as a whole, and the larger the number of these storage bodies, in other words, the larger the number of packages per one packaging operation, the larger the device. .

Further, in the conventional packaging machine, since the storage group is configured to move by the meshing of the feed claw and the rack which make an elliptical motion by the rotation of the motor, the storage group moves smoothly. However, there is also a problem in that a mesh noise between the feed claw and the rack is generated when the storage group is moved.

Further, in the conventional packaging machine, there is a problem that it takes a lot of time and labor to clean the powder container and the powder adhered to the periphery thereof.

The present invention has been made to solve the above-mentioned problems, and the apparatus can be made compact even if the number of packages is increased, and the medicine container can be moved smoothly. It is an object of the present invention to provide a packaging machine that can be quietly performed and that can easily perform a cleaning operation for a powder container and the like.

[0008]

In order to achieve the above-mentioned object, a packaging machine according to the present invention comprises a powder portion for enclosing a predetermined amount of a powder in a bag and a tablet for enclosing a tablet in a predetermined amount in a bag. And a plurality of powder accommodating bodies for dividing and accommodating the powder, and an endless band for the powder which is rotatably driven by supporting each of the powder accommodating bodies, and It has a powder dropping means for dropping the powder inside the powder container by opening the bottom of the powder container at a predetermined position, and the endless band for powder can be pulled out at the other end side with one end as a fulcrum. It is characterized by being configured in.

In the present invention, the endless belt for powder is preferably an endless belt. If you do this,
The powder container can be moved quietly and smoothly.

Further, the powder container is compactly formed,
In addition, in order to smoothly move each powder container to the endless band for powder, the powder container has a plurality of powder container defined by partition walls, and at the bottom of each powder container. It is preferable that each of them has an opening / closing lid.

[0011]

The powder powder dividedly stored in the plurality of powder powder storage bodies is moved to the powder powder drop position by rotating the powder powder endless belt. Then, when each powder container comes to the powder dropping position, the bottom of each powder container is opened, and the powder in the powder container is dropped downward and packaged.

According to the present invention, the powder container is constructed so as to be supported by the powder endless belt and driven to rotate.
The lengthwise dimension of the packaging machine can be shortened compared to the case where the powder container is reciprocated, and the overall shape of the device can be made compact even if the number of packaging is increased. In addition, since the powder container can be moved by driving the endless belt, the powder container can be moved smoothly and quietly. Furthermore, since the endless body for powder is configured such that the other end can be pulled out with one end as a fulcrum, when performing the cleaning work of the scattered storage body supported by the endless body for powder and the periphery thereof, the powder The endless body for use can be carried out with the front end pulled out, the cleaning work can be carried out very easily without disassembling the device, and the convenience for the user can be further improved.

[0013]

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 box shape, an upper lid 2 which is openably and closably mounted above the body 1, and a front lid 3 which is openably and closably attached to the front surface 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 plate 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 includes a first endless belt 8 as an endless belt for powder which is rotatably driven by a motor (not shown), and a half circumference of the endless belt 8 around the first 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 the present embodiment, the powder storage chamber located at the end is not used, so that 45 packagings are performed by one packaging operation. This 4
Five packets correspond to the number of divided packets for 15 days with the number of doses taken three 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 for supporting the plurality of powder-containing containers 9 has the sprocket on one end side (the right side in this example) as the center and the other end side as the device. 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 rotationally 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 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 in the approximate center of the shelf plate 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.

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 packaging tablets, first, the tablets are divided and stored by manual division in the tablet dividing box 23, and then,
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, similarly to the above-mentioned packaging of the powder, the second endless belt 19 is intermittently driven to sequentially move the tablet storage bodies 21 to the tablet dropping positions. 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 adhering to the inside of the powder container 9 or 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 or in accordance with the order in which the powders and tablets are taken. 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.

Further, in this embodiment, the powder container 9 is divided into two powder container chambers 9b, which are defined by a partition wall 9a at 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.

[0032]

As described above, according to the present invention, since the powder medicine container has a rotary structure in which it is supported by an endless belt and is driven to rotate, the lengthwise dimension (widthwise dimension) of the packaging machine. ) Can be shortened, and the overall shape of the device can be made compact even if the number of packages is increased. In addition, since the powder container can be moved by driving the endless belt, the powder container can be moved quietly and smoothly. Further, since the endless body for powder is configured such that the other end side can be pulled out with one end as a fulcrum, when performing the cleaning work of the scattered storage body supported by the endless body for powder and the periphery thereof, the powder The endless body for use can be carried out with the front end pulled out, the cleaning work can be carried out very easily without disassembling the device, and the convenience for the user can be further improved.

[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 (58) Fields surveyed (Int.Cl. ⁷ , DB name) B65B 1/00-1/48 B65B 9/00-9/22 B65B 35/06-35/08 B65B 37 / 00-39/14 B65B 59/00 B65G 21/14 A61J 3/00

Claims (3)

(57) [Claims] 1. A packaging machine comprising a powder portion for enclosing a predetermined amount of a powder in a bag and a tablet portion for enclosing a tablet in a predetermined amount in a bag, wherein the powder portion divides and stores the powder. A plurality of powder-containing containers, an endless band for powder that is driven to rotate by supporting each powder-containing body, and a powder in the powder-containing body by opening the bottom of each powder-containing body at a predetermined position. And a powder dropping means for dropping the powder downward, wherein the endless strip for powder is configured such that the other end can be pulled out with one end as a fulcrum. 2. The packaging machine according to claim 1, wherein the endless belt for powder is an endless belt. 3. The powder container according to claim 1 or 2, wherein the powder container has a plurality of powder chambers defined by partition walls, and an opening / closing lid is provided at a lower portion of each of the powder chambers. The described packaging machine.