JPS5843282B2 - Fully automatic powder tablet packaging machine - Google Patents

Description

[Detailed Description of the Invention] The present invention is equipped with a multi-ring dividing mass, and also has a tablet feeding mechanism and a powder feeding device, so that it is possible to arbitrarily divide tablets and powders from falling. The present invention relates to a packaging machine that is capable of enclosing and packaging only tablets, only powder, or a mixture of both in one package according to the prescription.

Conventionally, the present inventor has proposed a rotary dispensing device equipped with a dividing mass or multiple dividing masses having a large number of distribution holes on a circular track in order to divide and package powders. All of these methods are applied when dividing and packaging powders into equal amounts, and are not intended for packaging tablets.

However, as a result of examining patients at hospitals, etc., it is necessary to give tablets and powders depending on the symptoms, and in that case, a fully automatic single tablet dispensing machine and a powder dispensing machine are separately operated to divide the tablets into two packages. In the conventional method, the tablets or powders are manually added to the same packaging bag and then sealed and packaged, which is a complicated process.

The present invention has been made in view of the above, and an object of the present invention is to obtain a powder tablet dispensing machine that fully automatically operates the operation of putting not only powders but also tablets into the same packaging bag and sealing the packaging. It is something.

A further object of the present invention is to use the device 1 to package powders, tablets, powders and tablets, alternate packaging of powders and tablets,
To obtain a packaging machine that can easily perform various packaging forms such as half-divided packaging, special packaging, and others.

An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a front view showing the entire device, in which a tablet shelf 1 has feeders 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , different types of tablets each stored in a tablet shelf 1.
are aligned.

Below the tablet shelf, there is installed a packaging mechanism mainly consisting of a multi-annular dividing mass 4 mounted on a machine stand 3, powder feeding devices 5 and 5', and a packaging mechanism 6.

The compound annular split mass 4 has an inner mass 7 and an outer mass 8 arranged concentrically, each of which is provided with its own forward/reverse drive mechanism to enable free rotational drive. .

The inner mass 7 and the outer mass 8 forming the divided mass form a ring shape,
A predetermined number (42 units in the illustrated example) are arranged around the entire circumference, and each bottom cover opening/closing mechanism is provided on the bottom surface tζ, as will be described later.

2 and 3 show plan views of the compound annular divided mass 4, in which the distribution holes constituting the inner mass 7 and the outer mass 8 in the plywood 9 (ζ) are of the same size, adjacent to each other, and concentric. It is divided into sections.

The powder feeding devices 5 and 5' are respectively powder distributors, 10.1
0', flow rate control parts 11, 11', and feeding bucket 1.
It consists of a 2.degree.

70 is an operation panel equipped with a manual switch.

A detailed explanation regarding the feeding principle of the powder feeding device will be omitted.

In addition, 60 shown in FIG. 1 is a dust collector connected to the back of the device, and 61
is a dust collector for divided mass.

The supplementary light beams serving as the discharge ports of the powder feeding devices 5 and 5' extend so as to be positioned above the outer mass 8 and the inner mass 7, respectively, and are controlled by control units 11° and 11' to ensure uniform inflow. Ru.

The inside of the feed tub 12 is equipped with a phototube type remaining amount detector.

On the other hand, the feeders 2, 2, . When the tablet type and number of tablets selected from each feeder are specified, the prescribed tablets discharged through the discharge mechanism are conveyed through the shutter 13 and the conveyor 141 onto the outer mass 8, and are transferred to the hopper. 14'.

In FIG. 1, reference numeral 62 indicates an operation console, which is equipped with a drug type key 64, a journal printer output 65, a CRT display 66, and the like.

As shown in FIG. 4, the divided mass is equipped with a forward/reverse drive mechanism and a control mechanism for controlling the rotation and speed of the mass.

That is, motors 15, 16 and drive shafts 17 suitable for forward and reverse rotation.
．． 18. Drive mechanism is constructed by drive gear 19゜20Jf
The speed is controlled by flL, control plates 21 and 22, and 21a and 22a when the rotation is changed from the forward direction to the reverse direction.

The above mechanism has a similar configuration for the inner mass 7 and the outer mass 81.

Now, regarding the inner mass 7, to explain this mechanism in more detail, the control plate 21 has rotation detection holes 23 bored at regular intervals on the circumferential surface, and the number of movements of the divided mass is detected by photoelectric detection sensors 24 and 25. Count.

In the illustrated example, eight rotation detection holes 23 are provided, and one rotation of the control plate 21 detects the rotational positions of eight divided squares.

When the controller 26 detects the preset number of movements, it instructs the forward/reverse motor 151 to reverse the driving direction,
Drive control is performed so that the movement of the divided squares returns.

Furthermore, a second control plate 22 is used to issue a rotational speed control signal when the divided mass returns.

In addition to the detection holes corresponding to the detection holes 23, the control plate [ζ] has minute rotation detection holes 23' (80 holes all around the circumference in the illustrated example), and a preset number of cells when the divided cells return. When the movement of the machine is nearing the end, a signal to reduce the movement speed, in other words, a brake signal is issued.

The signal is also sensed by the photoelectric detection sensor 24.25,
It is counted and transmitted from the controller to the forward/reverse motor 15Iζ.

For example, assuming that the return operation is repeated while dividing the powder into 8 squares, the movement of 7 squares is counted by the detection hole 23 of the control board 22, and when the 8th square is reached, the minute detection hole 23' For example, if the count number is "6" or "
7", the brake signal is transmitted to the motor,
A mode of use is used in which the rotation is stopped once and the drive is started in the opposite direction once when the movement of exactly 8 squares is completed.

Next, referring to FIG. 5, the bottom cover opening/closing mechanism arranged on the bottom surface of each divided cell will be explained.

The figure shows a cross section of the double division mass part, and the inner mass 7
The distribution holes 27 and 28 of the outer mass 8 are configured to narrow as they reach the bottom, and bottom cover guides 29 and 30 are rotatably attached to the bottom by pivots 31 and 32.

33 is a gear that rotates the outer mass, and 34 is a gear that similarly rotates the inner mass.

Operation pieces 35 and 36 are connected to each bottom cover, and claw pieces 37.3B that engage at the tips of the operation pieces move in the direction of the arrow shown in the figure in accordance with the driving force of the swinging rod 39°40 and the camshaft 4L42. The divided mass 7.8 can be opened and closed freely.

Reference numeral 71 is a support roller of the rotary table, and the other end of the support shaft 72 is fixed to a desk or the like to maintain a stable state.

A common introduction hopper 43 is installed at the lower part of the outer mass and the inner mass, and the tablets are loaded in bulk by the hopper.
An input port 6' to the packaging mechanism for hermetically packaging the powder is installed.

The packaging mechanism is installed on the machine stand 3 shown in the first figure, and includes a vertical section line welding mechanism 44 as a known bag making and packaging mechanism for separate packages.
, a marking mechanism 45, and an enclosing wire welding mechanism 46.

The wrapping mechanism is configured to send an end signal to the control section for each color and shift to the next wrapping device via a shift mechanism, thereby functioning to perform more reliable wrapping operations.

A dust collection hood 47 is installed on the base adjacent to the divided squares, and is designed to suction and remove minute amounts of powder, etc. remaining in each divided square according to instructions from the control unit, if necessary. Operate.

As the forward/reverse motor 15, it is appropriate to adopt a motor suitable for constant angle rotation and forward/reverse rotation such as a key motor.

The operations of each of the above mechanisms, that is, the forward/reverse drive mechanism, the rotation speed control mechanism, the bottom cover opening/closing mechanism, the drug injection mechanism, and the packaging mechanism, are all electronically controlled using a separately installed control computer and input device. It is driven and controlled by commands from the device.

A manual switch group 48 may be installed on the base to start the operation, set the number of medicine packages, etc.

FIG. 6 shows a block diagram of the control mechanism.

That is, signals input via the console 50, the input device 51, and the display device 66' are stored in the memory section 531 of the control device 52, and then sent to the interface 75 and the drive devices 54, 55.
The motor 15°16 is rotated by the drive gear 19.
．． The inner mass 7 and the outer mass 8 reciprocate through 20.

On the other hand, commands and detection signals are transmitted from the computer to the powder feeding devices 5, 5' and tablet feeding mechanism 56, and predetermined tablets are delivered in conjunction with the actions of the rotation control plates 21, 22, 21a, 22a and the controller 26. and the powder are stored in the divided cells, and then passed through the respective cell opening/closing mechanisms 57 and 58 to the packaging mechanism 6.
It is hermetically sealed and packaged, and is characterized in that the above-mentioned control signals are sequentially commanded by a control device 52 such as a computer, and all operations are automatically performed.

As is clear from the command system shown in Figure 6, in addition to controlling the drive command to the motor, the dust collection mechanism, the rotational position detection and speed of the divided mass, various operations of the forward/reverse drive mechanism, bottom lid opening/closing mechanism, and packaging mechanism are More reliable drive control can be performed by implementing a control method in which mass position, tablet detection, and color-by-color end signals are fed back to the control device 52.

Although an embodiment of the fully automatic powder tablet dispensing machine according to the present invention has been described above, the following operation mode can be implemented when driving the present device.

First, the main power source is opened using the manual switch group 48, and the dust collector 61 and dust collection hood 47 are operated.

Next, according to the prescription, a certain amount of powder is delivered to the powder feeding device 5 or 5.
' into the distributor 10 or 10' and the feeder 2
A signal to take out a predetermined number of tablets selected from among the tablets is input to the control device 52.

Advantageously, the input signals are stored in a storage device so that the operation can be continued in sequence according to preset programming.

Furthermore, after instructing other data such as prescription number, number of divided packages, number of empty packages, etc. to the operation panel, operation is started by pressing the activation switch.

The powder feed device 5.5' performs a uniform powder feed using a known electromagnetic vibration mechanism via the feed troughs 12, 12' by operating the control unit 11.11'.

At the same time, the forward/reverse drive mechanism is activated by the forward/reverse motor 15.
Among the multiple division cells, one powder is evenly distributed to one distribution hole corresponding to the number of packages preset for the inner cell 7 or outer cell 8 in the illustrated example 1ζ.

The forward/reverse drive mechanism moves between squares corresponding to the set number of packages.
It returns at a constant speed, then repeats forward and reverse rotation to complete the distribution.

On the other hand, on the tablet side, the ejection operation continues in parallel with the above, and tablets are continuously discharged one by one from the respective feeders 2, 2, etc. according to the selected dosage type and dosage number signal. Shutter 13. The conveyor 14 transports them onto the outer mass 8 in the illustrated example, and sequentially drops them into the outer mass.

Since the inner mass and the outer mass are set to be operated by separate drive mechanisms, each exhibits its own operating state based on distribution purposes.

During this time, rotation detection holes 23 and 23 provided in the control plates 21 and 22
', the photoelectric detection sensors 24, 25, and the controller 26] ζ, the rotation control and braking operation of the divided masses are performed as described above.

When a falling powder or tablet is detected by the remaining amount detector provided inside the feeding trough 12 and the discharge detector (not shown) provided in each tablet feeder, the end position of the distribution hole in each divided square is detected. , and stops so as to be positioned above the introduction hopper 43 of the packaging mechanism 6.

Next, in order to open the bottom cover of the divided square, operate any or both of the cam shafts 41, 42, swinging rods 39, 40 and claw pieces 37 and 38 connected to one motor, and remove the tablets in the outer square 8, or Either or both of the powders arbitrarily distributed in the outer mass or the inner mass are dropped into the introduction hopper 43 inserted into the band-shaped bag that passes through the packaging mechanism, and the divided mass is rotated at a fixed angle by the forward/reverse motor 15. , a hopper 43 for introducing the next distribution hole
move it up.

Continuous packaging of tablets or powders is carried out by repeating the above operations, and each operation is completely controlled so as to be carried out fully automatically according to the order of operations.

During this time, a safety function is added so that if an abnormality occurs in the operation and the detection signals from each sensor etc. are not normal, the entire mechanism will stop and an alarm signal will be issued on the operation panel.

When the work is finally completed, the manual switch group 48 is used to stop the entire mechanism.

Although one embodiment of the apparatus according to the present invention has been described above, the present invention also enables various embodiments to be described later.

In other words, the inner mass and outer mass constituting the compound ring-shaped divided mass are:
Since each device is configured with its own single drive mechanism, alternating operations can be facilitated by allowing the dispensing operation to continue on the other side during the dispensing operation, and then reversing the above operation at the next stage. have advantages.

Furthermore, when performing packaging operations based on prescriptions, it is possible to continuously package powders using only a powder feeding device and an inner compartment, or to continuously package tablets using only a tablet feeding mechanism and an outer compartment.
Embodiments such as collective packaging or alternate packaging of "powders and tablets" can be adopted by using both mechanisms.

In addition, after distributing the powder evenly, we perform hand-side packaging of the tablets according to the prescription. It enables usage methods such as "separate packaging" and realizes the division and packaging of any combination of powders and tablets required, and also has the function of an all-purpose device.

In addition, in the case of the example, the usage method was shown in which the powder was placed in either the inner mass or the outer mass, and the tablet was applied to the outer mass, but the combination of the two may be reversed. The number of devices is not limited to one, but two can be installed depending on the application.

In that case, it is effective to utilize the space inside the inner mass 7.

By using the dust collector 61, air is constantly sucked into the space after distribution and falling, so it is possible to prevent problems such as dust adhesion to equipment and dust inhalation by the operator.

Furthermore, by using the marking mechanism 45 built into the front stage of the packaging mechanism, the marking mechanism 45 can be used to mark the surface of the band-shaped bag for each divided package according to instructions from the operation panel.
You can write down the prescription number, patient name, dosing method, and other necessary information.

Depending on the properties of the powder, a blade-like mixer may be installed in the distributor of the powder feeding device.

As described in detail above, the present invention provides a service which has a basic structure of multiple annular dividing masses arranged concentrically and rotatably, and is equipped with various accessory devices for packaging both powders and tablets. It has the great advantage of being applicable to the selection, dispensing, and packaging of all tablets and powders, and has the effect of contributing to shortening drug packaging time and increasing efficiency in hospitals, clinics, etc.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, and FIG. 1 is a front view showing the entire device, FIGS. 2 and 3 are plan views of a compound annular divided mass, and FIG. 4 is a normal view of the divided mass. FIG. 5 is a perspective view showing the reverse drive mechanism and the control mechanism, FIG. 5 is a sectional view of the bottom lid opening/closing mechanism arranged on the bottom of each divided square, and FIG. 6 is a block diagram showing the control mechanism of the entire device. 1... Tablet shelf, 2... Feeder 3
...Machine base, 4...Double ring split mass,
5, 5'... Powder feeding device, 6... Packaging mechanism, 7... Inner mass, 8... Outer lath, 12, 12... ...Feeding bucket, 13...Shutter 14...Conveyor, 15.16...
... Motor, 17°18 ... Drive shaft, 19.
20... Drive gear, 21°22.21a, 22
a... Control board, 23.23'... Rotation detection hole, 24, 25... Photoelectric detection sensor, 2
6...Controller, 27, 28...Distribution hole, 29°30...Bottom cover guide, 31,32...
...Axis, 33...34...Gear, 35
．． 36...operation piece, 37...38...
Claw piece, 39.40... Swinging rod, 41°42...
...Camshaft, 43...Introduction hopper, 4
4... section line welding mechanism, 45... marking mechanism, 46... enclosing line welding mechanism, 47...
...Dust collection hood, 62...Operation console.

Claims (1)

[Claims] 1. A compound ring-shaped segmented mass arranged concentrically and rotatably on the machine base, a forward/reverse drive mechanism that rotates each ring-shaped segmented mass independently, a rotational position detection mechanism for the segmented mass, and a forward/reverse drive mechanism for the forward/reverse drive mechanism. A control mechanism for controlling rotation and speed, a bottom lid opening/closing mechanism disposed at the bottom of each of the annular division cells, a powder feeding device disposed above the annular division mass, and storing different types of tablets, respectively. a feeder, a tablet shelf that houses the feeder and has a mechanism for detecting falling tablets, a loading mechanism that takes out a predetermined number of tablets selected from the feeder and throws them into the fallen of the multiple ring-shaped dividing mass; A single packaging mechanism that is commonly provided below the annular division box and that issues an end signal to the control unit for each color, a manual mechanism that inputs packaging input data and each display data, the forward/reverse drive mechanism, and the control unit. A fully automatic powder dispensing machine equipped with an electronic control device that automatically controls various operations of the mechanism, bottom lid opening/closing mechanism, and packaging mechanism by feedback of signals such as divided mass position, tablet detection, and completion of each color. Tablet packaging machine.