KR20210049358A - Apparatus for feeding blister sheet for packing pills - Google Patents

Abstract

Disclosed is a blister feeder for drug packaging that drops and supplies a plurality of laminated blister sheets one by one. The disclosed blister sheet feeder for drug packaging comprises: a first support for supporting and releasing support for at least one end of a blister sheet of a lowest layer among the plurality of blister sheets; and a second support that is disposed below the first support to support and release support of at least one end of the falling lowest blister sheet when the first support is released. When the second support is released and the blister sheet of the lowest layer is dropped, the first support supports the blister sheet immediately above the blister sheet of the lowest layer.

Description

Pharmaceutical packing blister sheet feeder {Apparatus for feeding blister sheet for packing pills}

The present invention relates to a blister sheet feeder for drug packaging that separates and supplies the blister sheet for drug packaging one by one.

Medicines prescribed by a prescription at a hospital or pharmacy are separately packaged in a plastic bag, each dose, or sealed in a blister pack. The blister pack includes a blister sheet having a plurality of blister pockets arranged in a matrix, and a cover attached to an upper surface of the blister sheet so that the plurality of blister pockets are sealed. The method of sealing and packaging drugs using blister packs prevents theft, loss, and abuse of drugs, and is the correct drug even when the method of taking drugs is complicated, for example, when drugs to be taken after lunch and drugs to be taken after dinner are different. As it has an effect of helping to take it, its use is increasing.

In order to improve the efficiency of packing drugs into blister packs according to a prescription, an automatic drug packaging device is required, and the automatic drug packaging device is a blister for drug packaging that separates and supplies a plurality of stacked blister sheets one by one. A sheet feeder must be provided.

Korean Patent Publication No. 10-0343788

The present invention provides a blister sheet feeder for drug packaging that separates and drops the blister sheet placed at the bottom of a plurality of stacked blister sheets to supply the blister sheet one by one.

The present invention is to supply a plurality of stacked blister sheets dropping one by one, the first support for supporting and releasing the support at least one side end of the lowermost layer of the blister sheet among the plurality of blister sheets, and It is disposed below the first support, and when the first support is released, a second support for supporting and releasing the support of at least one end of the blister sheet of the lowermost layer to be dropped is provided, and the When the second support is released and the lowermost layer of the blister sheet is dropped, the first support provides a blister sheet feeder for drug packaging that supports the blister sheet immediately above the lowermost layer of the blister sheet.

In addition, the present invention is to supply a plurality of stacked blister sheets by dropping one by one, a pair of first supports for supporting both ends of the blister sheet, and under the pair of first supports And a pair of second supports for supporting both ends of the blister sheet, and the pair of first supports and a pair of second supports are each provided with each other so that both ends of the blister sheet are caught and supported. It moves in a direction closer to and in a direction away from each other so that both ends of the blister sheet fall without being caught, but the pair of first supports and the pair of second supports move in opposite directions at the same time, and In a state in which the blister sheet of the lowermost layer among the plurality of stacked blister sheets is caught and supported by the pair of second supports, the pair of first supports are close to each other, and the pair of second supports are When they are separated from each other, the blister sheet of the lowermost layer falls and the blister sheet of the immediately upper layer of the lowermost layer is supported by the pair of first supports to newly become the blister sheet of the lowermost layer. 1 When the supports are separated from each other and the pair of second supports are close to each other, the newly lowered blister sheet falls from the pair of first supports and is supported by the pair of second supports. It provides a blister sheet feeder for drug packaging.

In the blister sheet feeder for pharmaceutical packaging of the present invention, when the pair of first supports are close to each other so that the blister sheet of the immediately upper layer of the lowermost layer is supported by the pair of first supports, the blister of the lowermost layer A separating blade may be further provided for pressing the sheet downward so as to be separated from the blister sheet of the layer immediately above the lowermost layer.

The separation blade may be rotatably coupled to the first support.

The second support may include an upper pusher that pushes the separation blade so that the angle between the separation blade and the first support decreases when the pair of second supports are close to each other. .

The separating blade includes a blade main body for contacting and pressing the blister sheet, a trigger protruding downward from the blade main body, and a collision protrusion protruding upward from the blade main body, and the second support includes the one A trigger pusher that pushes the trigger so that the angle between the separation blade and the first support increases when the pair of second supports are separated from each other, and the first support includes the pair of second supports A stopper may be provided to block the collision protrusion so that the angle between the separating blade and the first support is not excessively increased when they are separated from each other.

Among the pair of first supports and the pair of second supports, one first support and one second support, which are arranged to be overlapped up and down, can move in opposite directions at the same time by the power of one electric motor. have.

The blister sheet feeder for pharmaceutical packaging of the present invention comprises a first guide plate and a second guide plate disposed above the first support and under the second support, and reciprocate in the same direction by the power of the electric motor. Further, the first guide plate and the second guide plate are formed with a first inclined groove and a second inclined groove that are inclined in opposite directions and extended, and the first support is fitted into the first inclined groove. A first connecting protrusion is provided, and the second support has a second connecting protrusion fitted into the second inclined groove, and when the first guide plate and the second guide plate move in the same direction, the first inclined groove The first linking protrusion fitted in and the second linking protrusion fitted in the second inclined groove move in opposite directions, so that the first support and the second support may move in opposite directions.

The blister sheet has a plurality of drug pockets that are open on the upper side and protrude downward, and the blister sheet feeder for drug packaging includes a blister sheet in the lowermost layer falling among the plurality of blister sheets stacked. A blister sheet tray to be seated may be further provided, and the blister sheet tray may have a plurality of drug pocket grooves in which the plurality of drug pockets are fitted in a one-to-one correspondence with the plurality of drug pockets on an upper side thereof.

The blister sheet feeder for pharmaceutical packaging of the present invention separates the blister sheet placed at the bottom of a plurality of stacked blister sheets from the rest of the blister sheets and falls down to supply the blister sheets one by one. Accordingly, the productivity and reliability of the automatic drug packaging operation using the blister sheet are improved.

According to the blister sheet feeder for medicine packaging according to a preferred embodiment of the present invention having a separating blade, the blister sheet of the lowermost layer is inserted into the pocket opening of the blister sheet of the lowermost layer. Even when it is difficult to separate from the blister sheet of the lowermost layer, the separation blade presses down the blister sheet of the lowermost layer, so that the blister sheet of the lowermost layer reliably falls downward.

1 is a perspective view showing an example of a blister sheet for drug packaging.
Figure 2 is a front view of the automatic drug packaging apparatus having a blister sheet feeder for drug packaging according to an embodiment of the present invention.
3 is a plan view of a blister sheet feeder for drug packaging according to an embodiment of the present invention, showing a state in which blister sheets are not stacked.
4 and 5 are a right side view and a front view of the blister sheet feeder for drug packaging of FIG. 3.
6 to 8 are enlarged views illustrating part A of FIG. 5 and are views sequentially illustrating a process in which the lowermost layer of the blister sheet is separated and dropped from among a plurality of stacked blister sheets.

Hereinafter, a blister sheet feeder for pharmaceutical packaging according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. Terms used in the present specification are terms used to properly express preferred embodiments of the present invention, which may vary depending on the intention of a user or operator or customs in the field to which the present invention belongs. Therefore, definitions of these terms should be made based on the contents throughout the present specification.

1 is a perspective view showing an example of a blister sheet for drug packaging. Referring to this, a blister sheet for drug packaging 2 used for packaging a pharmaceutical drug according to a prescription includes a flat sheet body 3 and a drug. It has a plurality of medicament pockets 8 to be accommodated. Each medicine pocket 8 protrudes downward from the sheet body 3, and a pocket opening 9 is formed on the upper side to allow the medicine to be injected. Each medicine pocket 8 is filled with a single dose of medicine. A plurality of medicament pockets 8 are arranged in a matrix. In the illustrated blister sheet 2, medicament pockets 8 are arranged in 7 rows and 4 columns so that a maximum of one week's worth of pharmaceuticals can be filled.

Although not shown, when the drug is filled in the plurality of drug pockets 8, a sheet for sealing the plurality of drug pockets 8 on the upper side of the blister sheet 2, that is, the upper side of the sheet body 3 )-Shaped cover (not shown) is attached. The blister sheet 2 containing the drug and the cover attached to the blister sheet 2 constitute a blister pack. The lower side of the cover attached to the upper side of the blister sheet 2 is an adhesive side coated with an adhesive. By pressing and tearing the cover with a finger or a tool, the medicine filled in the medicine pocket 8 can be taken out and taken.

Figure 2 is a front view of an automatic drug packaging apparatus equipped with a blister sheet feeder for drug packaging according to an embodiment of the present invention. Referring to FIG. 2, the automatic drug packaging device 20 automatically divides the pharmaceutical drug into one dose and fills it into a plurality of drug pockets 8 (see FIG. 1) of the blister sheet 2, and the blister sheet ( As a device for sealing 2) with a cover (not shown), it is mainly provided in large hospitals or pharmacies.

The automatic drug packaging device 20 includes a housing 21 in the form of a cabinet, a drug supply unit 22 on the upper side of the housing 21, and a blister packaging unit 35 on the lower side of the housing 21 And, a controller (not shown) for controlling the operation of the drug supply unit 22 and the blister packaging unit 35 is provided. The blister packaging unit 35 includes a blister sheet feeder 50 for packaging a drug, a drug dispensing unit 37, and a cover attaching unit 130.

The drug supply unit 22 includes a plurality of drug cassettes 23 in which different types of drugs are accommodated, and hoppers 26 and 27 for guiding the drugs discharged from the drug cassette 23 to be collected and sequentially discharged downward. ). Specifically, drugs are discharged from the drug cassette 23 filled with specific drugs according to a prescription input through a server or a user interface, and fall down through a drug drop passage (not shown). The drugs are collected in a plurality of intermediate hoppers 26 disposed under a plurality of drug cassettes 23, and the drop order is adjusted to fall, and the drug test table 30 at the bottom of the final hopper 27 through the final hopper 27 It is collected in units of one dose. The drugs collected on the drug examination table 30 are captured by an examination camera 29. The inspection camera 29 is a sensor that detects whether the medicines collected in the medicine examination table 30 are the same as the one-time medicines according to the prescription.

If it is determined that the drugs collected on the drug test table 30 through the test camera 29 are not the same as the one dose amount of drugs according to the prescription, that is, if it is determined as an error, the drugs collected on the drug test table 30 are It is discharged to the error collection box 32 below the drug test table 30. When it is determined that the drugs collected on the drug test table 30 through the test camera 29 are the same as the one-time dose of drugs according to the prescription, that is, if it is determined that there is no error, the drugs collected on the drug test table 30 are It falls to the drug dispensing unit 37 through a drop channel 33 under the drug test table 30.

The drug packaging blister sheet feeder 50 is a device for supplying a plurality of stacked blister sheets 2 by dropping one by one, and is disposed inside the housing 21 on the left side of the drug dispensing unit 37. The blister sheet feeder 50 supplies a blister sheet 2 that is not filled with a drug to the plurality of drug pockets 8 (see FIG. 1 ). The cover attachment unit 130 is a device that attaches a cover (not shown) to the upper side of the blister sheet 2 so that the plurality of drug pockets 8 filled with drugs are sealed to complete the blister pack. ) Is disposed on the right side of the drug dispensing unit 37 from the inside.

The blister sheet feeder 50 is provided with a blister sheet tray 111 in which the blister sheet 2BT (see Fig. 8) of the lowermost layer dropped from the stacked plurality of blister sheets 2 is mounted. do. When the blister sheet tray 111 on which the blister sheet 2BT of the lowermost layer is mounted moves below the drug dispensing unit 37 and stops, the drugs corresponding to the prescription in the drug dispensing unit 37 are simultaneously It falls down, and the medicine is filled in the plurality of medicine pockets 8.

When the blister sheet tray 111 in which the blister sheet 2 filled with drugs is seated in the plurality of drug pockets 8 moves under the cover attachment unit 130 and stops, the upper side of the blister sheet 2 A cover is attached to the blister pack. The blister pack is lifted up apart from the blister sheet tray 111, and the blister sheet tray 111 separated from the blister sheet 2 is a new blister that is not filled with a plurality of drug pockets 8 The seat 2 falls and returns to its original position where it can be seated. The blister pack is lowered on a blister pack discharge conveyor 125 under the cover attachment unit 130 and is discharged to the outside of the housing 21 by the blister pack discharge conveyor 125.

3 is a plan view of a blister sheet feeder for drug packaging according to an embodiment of the present invention, illustrating a state in which blister sheets are not stacked, and FIGS. 4 and 5 are It is a right side view and a front view. Referring to Figures 2 to 5 together, the drug packaging blister sheet feeder 50, a pair of outer walls 51, a pair of inner walls 55, a pair of electric motors 57, a pair Of the screw (60), a pair of first guide plates (64), a pair of second guide plates (70), a pair of first supports (80), a pair of second supports (90), and It has a separating blade (blade) (100).

The pair of inner walls 55 are arranged to be spaced apart by the width of the left and right sides of the blister sheet 2, that is, a width in a direction parallel to the Y axis, and in the longitudinal direction of the blister sheet 2, that is, parallel to the X axis. It extends in one direction. At the upper end of the pair of inner walls 55, the left and right ends of the blister sheet 2, that is, the first support end 4 and the second support end 5, are obliquely extended upward so that they do not get caught. ) Is provided. A pair of shear guides 106 and a pair for defining positions of the front and rear corners of the blister sheet 2 to be stacked at the front and rear ends of the pair of inner walls 55 The rear end guide 108 is fixedly supported. A plurality of stacked blister sheets 2 are stacked in a loading space defined by the pair of inner walls 55, a pair of front end guides 106, and a pair of rear end guides 108. The outline of the blister sheet 2 shown by the dashed-dotted line in FIG. 3 corresponds to the loading space of the blister sheet 2.

The pair of outer walls 51, a pair of electric motors 57, a pair of screws 60, a pair of first guide plates 64, a pair of second guide plates 70, one A pair of first supports 80, a pair of second supports 90, and a separating blade 100 are disposed to be symmetrical left and right with the loading space of the blister sheet 2 interposed therebetween. Each outer wall 51 is disposed farther from the loading space of the blister sheet 2 than the corresponding inner wall 55 and extends along a plane parallel to the ZX plane.

The pair of first supports 80 are at both ends 4 and 5 of the blister sheet 2 stacked in the loading space of the blister sheet 2, that is, the first support end 4 and the second Supports the support end (5). A pair of second supports 90 support both ends 4 and 5 of the blister sheet 2 under the pair of first supports 80. The pair of first supports 80 and the pair of second supports 90 are each in a direction closer to each other so that both ends 4 and 5 of the blister sheet 2 are caught and supported. Moving in a direction away from each other so that both ends (4, 5) of the blister sheet (2) fall without being caught, but the pair of first supports (80) and the pair of second supports (90) Moves in opposite directions at the same time.

The first support 80 and the second support 90 arranged up and down on the left side of the loading space of the blister sheet 2 are arranged at the rear of the left side of the loading space of the blister sheet 2 It moves in the opposite direction at the same time by the power of the electric motor 57. Similarly, the first support 80 and the second support 90 arranged up and down on the right side of the loading space of the blister sheet 2 are arranged at the right rear of the loading space of the blister sheet 2 It moves in the opposite direction at the same time by the power of one electric motor 57.

In other words, each screw 60 is arranged to extend parallel to the X axis between the corresponding inner wall 55 and the outer wall 51, and rotates by the rotational power of the shaft of the electric motor 57. Reference numerals 58 and 59 denote bevel gears fixed to one end of the rotating shaft of the electric motor 57 and the screw 60 so that the power of the electric motor 57 is transmitted to the screw 60 and meshed with each other. Each of the first guide plates 64 is disposed on the upper side of the screw 60 between the corresponding inner wall 55 and the outer wall 51 and extends parallel to the X axis with a constant width. Each second guide plate 70 is disposed under the screw 60 between the corresponding inner wall 55 and the outer wall 51 and extends parallel to the X axis with a constant width.

The front and rear ends of the first guide plate 64 and the second guide plate 70 disposed up and down are fixedly coupled to the upper and lower ends of the pair of connecting members 62. A through hole through which the screw 60 passes is formed in the pair of connecting members 62. A male thread pattern is formed on the outer circumferential surface of the screw 60, and a female thread pattern in which the male thread pattern of the screw 60 is engaged is formed on the inner circumferential surface of the through hole of the pair of connecting members 62. Accordingly, when the rotation shaft of the electric motor 57 rotates, the first guide plate 64 and the second guide plate 70 simultaneously move forward or backward according to the rotation direction.

Guide protrusions 65 and 71 protruding left and right are provided at the front and rear ends of the first guide plate 64 and the front and rear ends of the second guide plate 70. The outer wall 51 and the inner wall 55 are formed with an upper guide groove 52 and a lower guide groove 53 extending in the front-rear direction and into which the guide protrusions 65 and 71 are fitted. Therefore, when the first guide plate 64 and the second guide plate 70 move in the front-rear direction by the power of the electric motor 57, the first guide plate 64 and the second guide plate 70 are not inclined and are horizontal. You can move in the forward and backward directions while maintaining the.

6 to 8 are views showing an enlarged view of part A of FIG. 5, and are views sequentially illustrating a process in which the lowermost layer of the blister sheet is separated and dropped from among a plurality of stacked blister sheets. 3 to 8 together, a first support guide beam 76 and a second support guide beam 78 extending in the Y-axis between the corresponding outer wall 51 and the inner wall 55 Is installed. Both ends of the first support guide beam 76 and the second support guide beam 78 are fixedly supported on the outer wall 51 and the inner wall 55. The first support guide beam 76 is disposed under the first guide plate 64, the second support guide beam 78 is disposed above the second guide plate 70, and the second support guide beam 76 is disposed under the second guide plate 64. It is disposed above the support guide beam 78. The first support 80 is threaded on the first support guide beam 76 to be movable parallel to the Y axis, and the second support 90 is a second support guide beam 78 to move parallel to the Y axis. It is threaded on.

Each of the first supports 80 includes a sliding member 81 that is slidably threaded through the first support guide beam 76, and a first protrusion protruding upward from the upper end of the sliding member 81. ) 82 and a first blade 85 extending from the lower end of the sliding member 81 toward the loading space of the blister sheet 2, that is, parallel to the positive Y-axis direction. do. Each second support 90 includes a sliding member 91 that is slidably threaded through the second support guide beam 78, and a second connecting protrusion 92 protruding downward from the lower end of the sliding member 91. ), and a second blade 94 extending from the upper end of the sliding member 91 toward the loading space of the blister sheet 2, that is, parallel to the positive Y-axis direction.

The first blade 85 and the second blade 94 extend in a direction parallel to the longitudinal direction of the blister sheet 2, that is, parallel to the X axis. The first blade 85 is positioned above the second blade 94. In the inner wall 55, the first blade 85 and the second blade 94 penetrate the inner wall 55 to protrude into the loading space of the blister sheet 2 55s) is formed.

The first guide plate 64 and the second guide plate 70 are formed with a first inclined groove 67 and a second inclined groove 73 that are inclined in opposite directions and extended. In FIG. 3, an inclined groove 67 shown by a solid line indicates a first inclined groove, and an inclined groove 73 shown by a dotted line indicates a second inclined groove. The first inclined groove 67 extends obliquely so as to be closer to the outer wall 51 than the inner wall 55 from the rear to the front, and the second inclined groove 73 is the inner wall of the outer wall 51 from the rear to the front. It extends obliquely to get closer to (55).

The first connecting protrusion 82 is fitted in the first inclined groove 67, and the second connecting protrusion 92 is fitted in the second inclined groove 73. When the first guide plate 64 and the second guide plate 70 move in the same direction by the power of the electric motor 57, the first connecting protrusion 82 fitted in the first inclined groove 67, and the The second connecting protrusions 92 fitted in the second inclined grooves 73 move in opposite directions, so that the first support 80 and the second support 90 move in opposite directions at the same time.

Specifically, the shapes of the first guide plate 64 and the second guide plate 70 shown by solid lines in FIG. 3 are the states of maximum movement in a direction parallel to the positive X-axis (+) direction. At this time, the first connecting protrusion 82 is located at one end 68a of the first inclined groove 67, and the second connecting protrusion 92 is located at one end 74a of the second inclined groove 73. Accordingly, as shown in FIGS. 6 and 8, the end of the first blade 85 of the first support 80 penetrates the inner wall 55 through the blade protruding slot 55s, and is stacked on the blister sheet. It protrudes toward (2), and the end of the second blade 94 of the second support 90 does not protrude toward the stacked blister sheet 2 and is retracted.

In FIG. 3, the two-dot chain lines indicate the first guide plate 64 and the second guide plate 70 when the first guide plate 64 and the second guide plate 70 move as much as possible in a direction parallel to the direction of the negative X-axis (-). It indicates the position of both ends of. As the first guide plate 64 and the second guide plate 70 move in parallel with the X-axis negative (-) direction from the position shown by the solid line to the location shown by the double-dashed line by the power of the electric motor 57 The first connecting protrusion 82 is moved from one end 68a to the other end 68b along the first inclined groove 67, and the second connecting protrusion 92 moves the second inclined groove 73 Accordingly, the position is moved from one end (74a) to the other end (74b).

Accordingly, as shown in FIG. 7, the first blade 85 of the first support 80 retreats toward the outer wall 51 so that the end of the first blade 85 penetrates the inner wall 55 and is stacked. Does not protrude toward the blister sheet (2). The second blade 94 of the second support 90 moves in a direction opposite to the moving direction of the first blade 85 so that the end of the second blade 94 penetrates the inner wall 55 and is stacked. It protrudes toward the seat (2). On the other hand, by the power of the electric motor 57, the first guide plate 64 and the second guide plate 70 move in the positive direction of the X-axis from the position shown by the double-dashed line in FIG. 3 to the location shown by the solid line. When moving again in parallel, as shown in FIGS. 6 and 8, the first support 80 and the first blade 85 provided therein protrude toward the stacked blister sheet 2 again, and the second support 90 and the second blade 94 provided therein retreat toward the outer wall 51 again.

Referring to FIGS. 3 and 6 together, a pair of first supports 80 are in a state in which they are close to each other, and a pair of first blades 85 cross the pair of inner walls 55 inwardly. Of the plurality of blister sheets 2 protruding and stacked in the loading space of the blister sheet 2, both ends 4 and 5 (see FIG. 1) of the blister sheet 2BT of the lowermost layer are supported. At this time, the pair of second supports 80 are separated from each other, that is, retreat close to the pair of outer walls 51, so that the pair of second blades 94 cross the pair of inner walls 55. It does not protrude inward.

Referring to FIGS. 3 and 7 together, when the pair of first guide plates 64 and the pair of second guide plates 70 move from front to rear, the pair of first supports 80 are relative to each other. The pair of first blades 85 does not protrude inward across the pair of inner walls 55 by retreating in a direction away from the pair of outer walls 51, that is, the pair of outer walls 51. 2 The support 90 moves in a direction closer to each other, that is, in a direction separated from the pair of outer walls 51, so that the pair of second blades 94 cross the pair of inner walls 55 and protrude inward. do. Accordingly, the stacked plurality of blister sheets 2 descends by a height difference between the first blade 85 and the second blade 94, so that the lowermost layer of the blister sheet 2BT becomes a pair of second supports ( 90). Specifically, both end portions 4 and 5 (see Fig. 1) of the lowermost layer blister sheet 2BT are supported on a pair of second blades 94.

Referring to FIGS. 3 and 8 together, when the pair of first guide plates 64 and the pair of second guide plates 70 move from the rear to the front, the pair of second supports 90 are shown in FIG. 6. As shown, the pair of second blades 94 retreat in a direction away from each other, that is, in a direction closer to the pair of outer walls 51, so that the pair of second blades 94 do not protrude inwardly across the pair of inner walls 55. Thus, the pair of first supports 80 move in a direction that is closer to each other, that is, in a direction spaced apart from the pair of outer walls 51, so that the pair of first blades 85 is moved to the pair of inner walls 55 ) And protrudes inward.

Accordingly, the lowermost layer of the blister sheet 2BT supported by the pair of second blades 94 falls down, and the immediately upper layer of the lowermost layer of the blister sheet 2 1 It is supported by the support base 80 and becomes the blister sheet 2 of the lowermost layer newly. Specifically, both ends 4 and 5 (see Fig. 1) of the blister sheet 2, which have become the lowermost layer, are supported on a pair of first blades 85. As shown in FIG. And, when the pair of first guide plates 64 and the pair of second guide plates 70 move back from the front to the rear, as described with reference to FIG. 7, the pair of first supports 80 It retreats again in the direction away from each other, and the pair of second supports 90 moves forward again in the direction closer to each other, so that a plurality of stacked blister sheets 2 are transferred to the first blade 85 and the second blade. 94) It descends again by the difference in height, and the newly lowered blister sheet 2 is supported by a pair of second supports 90.

Referring to FIGS. 3 and 6 to 8 together, when a plurality of blister sheets 2 are stacked, the drug pocket 8 is formed of the drug pocket 8 of the blister sheet 2 stacked immediately below. It fits into the pocket opening 9. Since the outer surface of the upper layer of the drug pocket 8 and the inner surface of the lower layer of the drug pocket 8 are in frictional contact, the lowermost layer of the blister sheet 2BT is supported by a pair of blades 94 Even in a state in which the blister sheet 2BT of the lowermost layer does not fall down, the blister sheet 2BT may not fall down.

Separation blade 100 is to prevent the fall failure of the lowermost layer blister sheet (2BT), a pair of first support (80) is closer to each other, the layer immediately above the lowermost layer blister sheet (2BT) When the blister sheet (2) of the pair is supported by the first blade (85) of the pair of first supports (80), the blister sheet (2BT) of the lowermost layer is transferred to the blister sheet ( Press down to separate from 2). The separation blade 100 is rotatably coupled to the first support 80 by a hinge 104.

Specifically, the separation blade 100 is close to the center of the blade body 101 and the hinge 104, that is, the rotation center (RC) of the separation blade 100 for contact pressing the blister sheet (2BT) of the lowermost layer. A trigger 102 protruding downward from one side of the blade main body 101 and close to the rotation center RC of the separation blade 100 and upward from the other side of the blade main body 101 It has a protruding impact protrusion 103. A separation blade receiving groove 87 is formed in a portion of the lower side of the first blade 85 so that the blade body 101 overlaps the first blade 85 and is accommodated therein.

In the second support (90), the angle (AN) between the separation blade (100) and the first support (80) when the pair of second supports (90) are close to each other, specifically, the separation blade ( An upper pusher 96 is provided to push the separation blade 100 so that the angle AN between the blade body 101 and the first blade 85 with respect to the rotation center RC of 100 is reduced. . 6 and 7, while the second support 90 moves in a direction away from the outer wall 51 and the first support 80 moves in a direction closer to the outer wall 51 at the same time, the blade The upper pusher 96 pushes the lower side of the blade body 101 so that the main body 101 rotates around the rotation center RC and is accommodated in the separation blade receiving groove 87. Accordingly, the first support 80 can be smoothly retracted in a direction closer to the outer wall 51. The trigger 102 is provided at a position that does not collide with the upper pusher 96. That is, the coordinate values in the X-axis direction of the position of the trigger 102 and the position of the upper pusher 96 are spaced apart so as to avoid collisions with each other.

In addition, in the second support 90, the angle (AN) between the separation blade 100 and the first support 80 when the pair of second supports 90 are separated from each other, specifically A trigger pusher 97 for pushing the trigger 102 to increase the angle AN between the blade body 101 and the first blade 85 with respect to the rotation center RC of the separation blade 100 is further provided. do. 7 and 8, the first support 80 moves in a direction away from the outer wall 51 and the second support 90 simultaneously moves in a direction closer to the outer wall 51, while the upper pusher 96 is spaced apart from the blade body 101, the trigger pusher 97 pushes the trigger 102 to increase the angle AN with the first blade 85 so that the blade body 101 is It rotates around the rotation center RC.

Accordingly, both end portions 4 and 5 (see Fig. 1) of the lowermost layer blister sheet 2BT together with the first blade 85 and the layer blister sheet 2 immediately above the lowermost layer blister sheet 2BT The ends of the blade body 101 entering between the ends 4 and 5 of the lowermost layer contact and press the ends 4 and 5 of the lowermost layer blister sheet 2BT. For this reason, the blister sheet 2BT of the lowermost layer falls down reliably.

The first support 80 has the collision so that the angle AN between the separation blade 100 and the first support 80 is not excessively large when the pair of second supports 90 are separated from each other. A stopper 84 is provided to block the protrusion 103. 8, when the trigger pusher 97 pushes the trigger 102 to rotate the separation blade 100, the separation blade 100 may rotate excessively due to gravity, but the collision The protrusion 103 is blocked while colliding with the stopper 84 to prevent excessive rotation of the separating blade 100.

The blister sheet feeder 50 is provided with a blister sheet tray 111 in which the blister sheet 2BT (see Fig. 8) of the lowermost layer dropped from the stacked plurality of blister sheets 2 is mounted. do. When the blister sheet tray 111 on which the blister sheet 2BT of the lowermost layer is mounted moves below the drug dispensing unit 37 and stops, the drugs corresponding to the prescription in the drug dispensing unit 37 are simultaneously It falls down, and the medicine is filled in the plurality of medicine pockets 8.

Referring to FIGS. 2, 4, and 8 together, the lowermost layer of the blister sheet 2BT separated from and falling from the stacked plurality of blister sheets 2 is seated on the blister sheet tray 111. On the upper side of the blister sheet tray 111, a plurality of drug pocket grooves 112 are formed in which a plurality of drug pockets 8 provided in the lowermost layer of the blister sheet 2BT are fitted in a one-to-one correspondence. do. Accordingly, even if the blister sheet tray 111 on which the lowermost layer of the blister sheet 2BT is mounted moves at a high speed, the blister sheet 2BT does not come off from the blister sheet tray 111.

The present invention has been described with reference to the embodiments shown in the drawings, but these are merely exemplary, and those of ordinary skill in the art will appreciate that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true scope of protection of the present invention should be determined only by the appended claims.

2: blister sheet 8: medicine pocket
20: automatic drug packaging device 50: blister sheet feeder for drug packaging
80: first support 90: second support
100: separation blade 111: blister sheet tray

Claims (9)

By dropping and supplying a plurality of stacked blister sheets one by one,
A first support for supporting at least one end of the lowermost layer of the blister sheet among the plurality of blister sheets and releasing the support; And,
A second support disposed below the first support, supporting at least one end of the blister sheet of the lowermost layer falling and releasing the support when the first support is released from the support; and
When the second support is released and the lowermost layer of the blister sheet is dropped, the first supporter supports the blister sheet immediately above the lowermost layer of the blister sheet. By dropping and supplying a plurality of stacked blister sheets one by one,
A pair of first supports for supporting both ends of the blister sheet; And a pair of second supports for supporting both side ends of the blister sheet under the pair of first supports, and
The pair of first supports and the pair of second supports are each in a direction approaching each other so that both ends of the blister sheet are hooked and supported, and both ends of the blister sheet fall without being caught. However, the pair of first supports and the pair of second supports move in opposite directions at the same time,
In a state in which the blister sheet of the lowest layer among the plurality of stacked blister sheets is caught and supported by the pair of second supports, the pair of first supports are close to each other, and the pair of second supports are each other. When it moves away from, the lowermost layer of the blister sheet falls, and the immediately upper layer of the lowermost layer of the blister sheet is supported by the pair of first supports to newly become the lowermost layer of the blister sheet,
When the pair of first supports are separated from each other and the pair of second supports are close to each other, the newly lowered blister sheet falls from the pair of first supports and A blister sheet feeder for drug packaging, characterized in that supported by the second support. The method of claim 2,
When the pair of first supports are close to each other so that the blister sheet of the immediately upper layer of the lowermost layer is supported by the pair of first supports, the blister sheet of the lowermost layer is transferred to the blister of the layer immediately above the lowermost layer. A blister feeder for drug packaging, characterized in that it further comprises a separation blade (blade) for pressing down to be separated from the sheet. The method of claim 3,
The separating blade is a blister feeder for drug packaging, characterized in that rotatably coupled to the first support. The method of claim 4,
The second support includes an upper pusher that pushes the separation blade so that the angle between the separation blade and the first support decreases when the pair of second supports are close to each other. Blister feeder for pharmaceutical packaging. The method of claim 4,
The separating blade includes a blade main body for contacting and pressing the blister sheet, a trigger protruding downward from the blade main body, and a collision protrusion protruding upward from the blade main body,
The second support includes a trigger pusher that pushes the trigger so that the angle between the separation blade and the first support increases when the pair of second supports are separated from each other,
The first support includes a stopper that blocks the collision protrusion so that the angle between the separation blade and the first support is not excessively increased when the pair of second supports are separated from each other. Blister feeder for pharmaceutical packaging. The method of claim 2,
Among the pair of first supports and the pair of second supports, one first support and one second support arranged to be overlapped up and down are simultaneously moved in opposite directions by the power of one electric motor. A blister sheet feeder for pharmaceutical packaging, characterized in that. The method of claim 7,
A first guide plate and a second guide plate disposed above the first support and below the second support, and reciprocating in the same direction by the power of the electric motor,
The first guide plate and the second guide plate are formed with a first inclined groove and a second inclined groove that are inclined in opposite directions and extended,
The first support includes a first connecting protrusion fitted into the first inclined groove, and the second support has a second connecting protrusion fitted into the second inclined groove,
When the first guide plate and the second guide plate move in the same direction, the first linking protrusion fitted in the first inclined groove and the second linking protrusion fitted in the second inclined groove move in opposite directions to each other, and the first support and A blister sheet feeder for drug packaging, characterized in that the second support moves in opposite directions to each other. The method of claim 2,
The blister sheet has a plurality of medicament pockets whose upper side is open and protruding downward,
The drug packaging blister sheet feeder further includes a blister sheet tray on which a blister sheet of a lowermost layer dropped from among the plurality of stacked blister sheets is seated, and
The blister sheet tray is a blister sheet feeder for drug packaging, characterized in that a plurality of drug pocket grooves are formed on the upper side to fit the plurality of drug pockets in a one-to-one correspondence.

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