KR20040034409A - packing apparatus - Google Patents

Abstract

PURPOSE: A packing device is provided to remove wrinkles without tension difference between horizontal and vertical sealing parts of a packing sheet by mounting a pressurizing unit contacting from the inside near the edge of an opening unit of the packing sheet between a sheet supply unit and a sealing unit. CONSTITUTION: A packing device is composed of a sheet supply unit for feeding a thin and long packing sheet(5) in the longitudinal direction, wherein the packing sheet is folded into two leaves; an article introducing unit for opening the packing sheet supplied from the seat supply unit and introducing the article to be packed from an opening unit; a sealing unit(4) for sealing the packing sheet to keep the introduced article; and a pressurizing unit(23) acting outward from the inside near the edge of the opening unit of the packing sheet between the sheet supply unit and the sealing unit. The article introducing unit is a hopper having a nozzle(13) inserted into the opening unit of the packing sheet. The pressurizing unit is installed at the outside of the nozzle of the hopper.

Description

Packing apparatus

The present invention relates to a packaging device for packaging a packaged object such as tablets and powders.

2. Description of the Related Art Conventionally, various medicine packaging apparatuses are provided for packaging medicines such as tablets and powdered medicines one by one based on prescription. Among them, rolls, which are pre-folded in two lengthwise packing sheets, are used.

In this apparatus, as shown in FIG. 21 and FIG. 22, the packaging sheet 100 is supplied from a roll, the packaging sheet 100 is opened, and a hopper nozzle 101 is opened from the opening. After the introduction of the medicine of the powder, the packing sheet 100 is sealed by a heater roller 102 so as to contain the medicine.

The heater roller 102 includes a transverse thread 10 for sealing the opening edge of the packaging sheet 100 in the longitudinal direction, and a seed 104 for sealing the opening edge from the opening edge so as to cross the packaging sheet 100. When the seed 104 is performed, there is a problem that a wrinkle 105 extending in the longitudinal direction in the vicinity of the transverse thread 103 occurs, as shown in FIG. 21. The wrinkles 105 have a difference in tension between a portion where the transverse thread 103 of the packaging sheet 100 is swelled and a portion where the seed 104 is performed, when the packaging sheet 100 swells when the chemical agent is introduced. It is considered to originate from etc. When such wrinkles 105 occur, the appearance is bad, and it is difficult to be cut off and separated. In some cases, the airtightness may be lowered or a hole may be contaminated to contaminate adjacent drugs.

The present invention has been made in view of the above conventional problem, and an object of the present invention is to provide a packaging apparatus in which wrinkles do not occur in the packaging sheet.

1 is a perspective view showing a packaging device according to a first embodiment of the present invention.

2 is a schematic front view of the packaging apparatus of FIG.

3 is a view from the III direction of the packaging device of FIG.

4 is a front view of a triangular plate;

5 is a front view illustrating a modification of the triangle plate.

6 is a schematic front view of a packaging apparatus according to a second embodiment of the present invention.

7 is a view from the VII direction of the packaging device of FIG.

8A is a front view of a triangular plate

8B is a front view of the wrinkle suppression plate.

9 is a front view showing a modification of the triangular plate mounted with a wrinkle suppression plate.

Fig. 10 is a front view showing another modified example of the triangular plate on which the anti-wrinkle plate is mounted;

11 is a schematic front view of a packaging device according to a third embodiment of the present invention.

12 is a view from the XII direction of the packaging apparatus of FIG. 11;

13 is a front view of a clamping device;

14A is a perspective view illustrating another example of the clamping device.

14B is a partial front view using the clamping device of FIG. 14A.

15 is a front view of the sandwiching device of FIG. 14;

FIG. 16 is a front view illustrating a state in which the arm of the first clamping piece of the clamping device of FIG. 14 is pulled over;

17 is a perspective view of a triangular body;

18A is a side view of the triangular body of FIG. 17.

18B is a front view of the triangular body of FIG. 17.

19 is a schematic front view of the packaging apparatus with the triangular body of FIG.

20 is a perspective view of a pack-type heat sealing apparatus.

21 is a schematic front view of a conventional packaging apparatus.

22 is a view from the XXII direction of the packaging device of FIG. 21;

<Explanation of symbols for the main parts of the drawings>

1: Packing device 2: Sheet supplying part

3: Hopper (packaging part introduction part) 4: Sealing part

5: packing sheet 13: nozzle

16a, 16b: Heater Roller 22 Triangular Plate

23, 65: pressure part 31: triangle plate

32: anti-wrinkle plate 41a, 41b: anti-wrinkle plate

62: triangular body 66: ridge

In order to solve the above problems, the present invention provides a sheet feed section for supplying two long thin packing sheets folded in the longitudinal direction in advance, and opening the packing sheet supplied from the sheet supply section. A packaging device having a package introduction portion for introducing a packaged object from an opening thereof, and a sealing section for sealing the package sheet so as to trap the packaged object, wherein the packaging device is provided between the sheet supply portion and the sealing portion. In the vicinity of the edge of the opening of the packaging sheet is provided with a pressing portion acting from the inner side to the outer direction.

In the invention made of the above means, since the pressing portion contacts and presses in the vicinity of the edge portion of the opening of the packaging sheet, there is no difference in tension between the portion where the transverse thread is formed and the portion where the seed is performed. The occurrence of is prevented.

The package introduction part may be formed of a hopper having a nozzle inserted into an opening of the packing sheet, and the pressing part may be installed on an outer surface of a nozzle of the hopper.

A triangular member for opening the sheet in a substantially V-shape may be disposed between the sheet supply portion and the package introduction portion.

The said triangular member can be made into a triangular plate, and in this case, it is preferable to provide the said press part in the side edge of the said triangular plate.

It is preferable that the said triangular plate is movable so that the distance from the edge part of the said opening to the said press part can be adjusted.

A wrinkle suppression plate is provided in the opening of the packaging sheet between the package introduction portion and the tripod plate, or between the sheet supply portion and the tripod plate, and the press portion is provided at a side edge of the wrinkle suppression plate. Can be.

It is preferable that the said wrinkle suppression plate is movable so that the distance from the edge part of the opening to the said pressing part can be adjusted.

The triangular member may be a block-like triangular body. It is preferable that this triangular body consists of a plate-shaped base part whose lower part was formed in an inverted triangle, and the block part of the substantially triangular-vertical shape which protrudes from the lower half of this base part. In this case, it is preferable to provide the pressing portion so as to extend along the inclined surface of the block portion from both side edges of the base. In addition, the ridge line extending along the inclined surface of the block portion from the lower end of the base is preferably to follow the folds of the packaging sheet.

EMBODIMENT OF THE INVENTION Hereinafter, embodiment of this invention is described according to an accompanying drawing.

1 shows a packaging apparatus 1 according to a first embodiment of the present invention. This packaging device 1 is attached to a pharmaceutical packaging device for packaging tablets and powdered medicines one by one in accordance with a prescription. The packaging device 1 consists of a sheet feed section 2, a hopper 3 as a package introduction section, and a seal section 4.

The sheet supply part 2 includes a roll shaft 7 for detachably supporting a roll 6 wound in two elongated packing sheets 5 folded in the longitudinal direction, and the roll ( 6, the first roller 8 for turning the packaging sheet 5 drawn upward from the horizontal direction and the packaging sheet 5 having passed through the first roller 8 are folded back to approximately the same. The second roller 9 which guides in the horizontal direction, the 3rd roller 10 which turns the packaging sheet 5 which passed this 2nd roller upward, and this 3rd roller 10 It consists of the 4th roller 11 which changes the packing sheet 5 which passed through to the inclined downward direction. Above the packing sheet 5 passing between the second roller 9 and the third roller 10, a printer 12 for printing information on the packing sheet 5, such as patient name, taking time, etc. Is installed in a batch. The packing sheet 5 which is converted to the downwardly inclined direction by the fourth roller 11 is supplied so that its fold is below. A cover 11a is provided so as to cover the upper half of the outer circumferential surface of the fourth roller 11, whereby the upstream packaging sheet 5 is inertia loosened and the fourth roller 11 The contact part with is prevented from slipping.

The hopper 3 accepts medicines such as powder, tablets, and the like for one dose from a medicine supply unit (not shown), and introduces the medicines into the packaging sheet 5 supplied from the sheet supply unit 2. The hopper 3 consists of synthetic resin, and has the nozzle 13 inserted in the opening of the said packaging sheet 5 at the exit. The handle 14 is attached to the outer surface of the hopper 3, and is attached to and detached from the frame 15.

As shown in FIG. 2 and FIG. 3, the sealing part 4 consists of a pair of heater rollers 16a and 16b which are mutually rotatably supported in contact with each other. Each heater roller 16a, 16b has the intermediate part 18 which has the heating surface 17 for seeding in both end surfaces, and the heating surface 19 for transverse thread on the outer periphery in the upper end of this intermediate part 18. As shown in FIG. It consists of an upper roller portion 20 having a lower roller portion 21 having the same shape as the upper roller portion 20 and located at the lower end of the intermediate portion 18. The packing sheet 5 supplied from the sheet supply part 2 passes between the pair of heater rollers 16a and 16b, and the packing sheet is formed by the side surface heating surface 19 of the upper roller part 20. While sealing the opening edge of (5) in the longitudinal direction, the sealing heating surface 17 of the intermediate part 18 seals from the opening edge to the fold so that it may cross the said packing sheet 5, The drug introduced by the hopper 3 is confined.

A metal triangular plate 22 is disposed between the nozzle 13 of the hopper 3 and the fourth roller 11 of the sheet supply unit 2. As shown in Fig. 4, the triangular plate 22 inserts the top portion into the polymerization portion of the two folded packing sheets 5, and roughly wraps the packing sheet 5. The opening is V-shaped. An approximately semicircular pressing portion 23 is provided at the edges on both sides of the triangular plate 22 to form an inclined side. The position of the pressing section 23 is slightly lower than the vicinity of the opening edge of the opened packing sheet 5, specifically, the side-sealed portion (lateral sealing section 27) of the packing sheet 5, It is a position which is in contact with the inner surface of (5) from an inside. The triangular plate 22 has an ear 24 at its upper end, and a screw 26 is inserted into the long hole 25 formed in the ear 24 so as to be screwed to the frame 15. It is movable up and down and is attached to the screw 26 so as to be rotatable. Incidentally, the mounting method of the triangular plate 22 is arbitrary, and the screw fixing shown in Fig. 2 is only an example. In addition, the shape of the press part 23 is not limited to the semicircle as shown in FIG. 4, It can also be made into a trapezoid or a triangle, and can also be made into a sphere as shown in FIG.

Next, operation | movement of the packaging apparatus 1 which consists of the said structure is demonstrated.

First, as shown in FIG. 1, the roll 6 of the packaging sheet 5 is attached to the roll shaft 7 of the sheet supply part 2, and the front end of this packaging sheet 5 is 2 in FIG. As shown by the dashed-dotted line, it guides from the 1st roller 8 to the 4th roller 11, and is inserted between the pair of heater rollers 16a and 16b of the sealing part 4. As shown in FIG. Next, the triangle plate 22 is inserted into the packaging sheet 5, the hopper 3 is mounted, and the nozzle 13 is inserted into the packaging sheet 5.

When the heater rollers 16a and 16b are driven to rotate, the packing sheet 5 is sequentially unwound from the roll 6. The packaging sheet 5 which is converted to the downwardly inclined direction from the fourth roller 11 of the sheet supply part 2 is opened by the triangular plate 22. The dose of medicine supplied to the hopper 3 is introduced into the packaging sheet 5 through the nozzle 13. Next, the edge part of the opening of the packaging sheet 5 is sealed by the transverse sealing heating surface 19 of the heater rollers 16a and 16b, and then the packaging sheet 5 by the heating surface 17 for seeding. From the opening of the to the fold mark is sealed. Thereby, as shown in FIG. 2, the chemical | medical agent is enclosed and sealed by one transverse sealing part 27, two seed sealing parts 28, and the fold mark 29. As shown in FIG. Thus, the medicine for single use is packaged one by one, and the packing sheet 5 becomes the packing strip 30, and is discharged in the inclined downward direction.

Before sealing the packaging sheet 5 by the heater rollers 16a and 16b, a slightly lower portion of the cross-sealed portion of the packaging sheet 5 is contacted from the inside by the pressing portion 23 of the triangular plate 22. Since it is pressurized, there is no difference in tension between the portion where the transverse sealing of the packaging sheet 5 is performed and the portion where the sealing is performed, and the occurrence of wrinkles is prevented. And when wrinkles still generate | occur | produce, the press part 23 can be changed into the position which wrinkles do not generate | occur | produce by adjusting finely the up-down position or the angle of the triangle plate 22. FIG.

6 and 7 show a second embodiment of the present invention. In this embodiment, as shown in FIG. 8A, instead of providing the pressing portions 23 as shown in FIG. 4 at both edges of the triangular plate 31, wrinkle suppression which is a separate member as shown in FIG. 8B is provided. The plate 32 is attached to the triangular plate 31. The anti-wrinkle plate 32 has an inverted T-shape, and pressing portions 23 are formed at both ends. The anti-wrinkle plate 32 has an ear portion 33 at an upper end portion thereof, and inserts a screw 35 through a hole 34 formed in the ear portion 33 as shown in FIG. By attaching to the support piece 36 provided in 31, it is possible to rotate about the screw 35. As shown in FIG. Incidentally, the method of attaching the antiwrinkle plate 32 is arbitrary, and the screw fixing shown in Fig. 6 is only an example. In addition, the anti-wrinkle plate 32 may be attached to the frame 15 like the triangular plate 22 of the embodiment shown in FIG. 2 without being attached to the triangular plate 31.

In FIG. 6, the anti-wrinkle plate 32 is mounted so as to be spaced apart from the triangular plate 31. As illustrated in FIG. 9, the anti-wrinkle plate 32 is brought into contact with the triangular plate 31 to provide a guide ( While mounting so as to slide up and down along 37), the screw 39 may be inserted through the long hole 38 so as to be fixed to the triangular plate 31. As shown in Fig. 10, a pair of anti-wrinkle plates 41a and 41b which are slidable in the horizontal direction along the guide 40 are provided, and both anti-wrinkle plates 41a and 41b face each other. A pinion 43 engaged with the rack 42 formed so as to be provided may be provided so that the amount of protrusion of the pressing section 23 can be adjusted.

Also in this 2nd Embodiment, similarly to the said 1st Embodiment, by the press part 23 of the anti-wrinkle boards 32, 41a, 41b, the packaging sheet 5 by the heater rollers 16a, 16b was carried out. In sealing, occurrence of wrinkles is prevented. 6, the angle of the press part 23 of the wrinkle suppression plate 32 in the case of FIG. 6, the up-down position of the press part 23 of the wrinkle suppression plate 32 in FIG. In this case, the amount of protrusion of the pressing portion 23 of the anti-wrinkle plates 41a and 41b can be changed, respectively.

In addition, although the position of the wrinkle suppression plates 32, 41a, 41b is the downstream side of the supply direction of the packaging sheet 5 with respect to the triangle board 31 in FIG. 6, it may be an upstream side. Moreover, it may be downstream of the nozzle 13, ie, between the nozzle 13 and the heater rollers 16a and 16b. In short, the nozzle 13 of the hopper 3 from the fourth roller 11 is preferably between the fourth roller 11 of the sheet supply part 2 to the heater rollers 16a and 16b serving as the sealing part 4. It is good to arrange in between.

11 and 12 show a third embodiment of the present invention. In this embodiment, the same triangular plates 22 and 31 as in the first and second embodiments are not provided. The opening of the packaging sheet 5 is performed by the nozzle 13 of the hopper 3. It is. And the press part 23 is provided in the outer surface of the nozzle 13 of this hopper 3 so that the opening packaging sheet 5 may contact inward. Although this press part 23 may be formed integrally with the nozzle 13, the wrinkle suppression members 32, 41a, 41b which have the press part 23 like FIG. 9 or FIG. It may be mounted so as to be slidable. By the presence of this press part 23, like the said 1st Embodiment and 2nd Embodiment, generation | occurrence | production of a wrinkle is prevented at the time of sealing of the packaging sheet 5 by the heater roller 16a, 16b. In addition, in the case of FIG. 9 and FIG. 10, the up-down position or the horizontal position of the press part 23 can be changed as needed.

In the said 3rd Embodiment, the clamping unit 50 which can pinch | pack the packing sheet | seat 5 is arrange | positioned in the upstream of the nozzle 13 of the hopper 3, and is arrange | positioned. As shown in Fig. 13, the gripping unit 50 is provided with a pair of L-shaped gripping pieces 51a and 51b mounted on the substrate 53 so as to be rotatable by a pin 52. will be. A pad 54 is attached to an opposing portion of the tip end of each clamping piece 51a, 51b, and a segment gear 55a, 55b around the pin 52 at the base end. Is formed. The segment gears 55a, 55b of each clamping piece 51a, 51b are meshed with each other. An operating lever 56 is extended to one gripping piece 51b, and the gripping pieces 51a and 51b open when the driving lever 56 is rotated around the pin 52 in the direction of the arrow. When the driving lever 56 is returned, the sandwiching pieces 51a and 51b are closed to sandwich the packaging sheet 5 from the side of the folded mark.

The gripping unit 50 is open during the movement of the packing sheet 5, and is closed when the packing sheet 5 is stopped and the medicine is introduced from the nozzle 13 of the hopper 3. Thereby, when it introduces from the nozzle 13 and falls to the packaging sheet 5, the chemical | medical agent scatters upstream from the nozzle 13, and it is prevented from mixing into the chemical | medical agent packaged next.

In the first embodiment shown in FIG. 2 and the second embodiment shown in FIG. 6, the gripping unit 50 may be provided on an upstream side of the triangular plates 22 and 31. This prevents the chemicals introduced from the nozzle 13 of the hopper 3 from scattering upstream from the triangle plates 22 and 31, so that the chemicals packaged next are not contaminated. In addition, poor sealing is also prevented.

If the gripping unit 50 is present, it becomes difficult to pass the packing sheet 5 in the vicinity of the gripping unit 50 when initially setting the packing sheet 5. Thus, in order to facilitate the passage of the packing sheet 5, a wedge unit 50 'having a structure as shown in Figs. 14 to 16 can be employed. In this clamping unit 50 ', the first clamping piece 51a on the near side of the device is an arm 57 having a flat pad 54a made of neoprene sponge on the clamping surface. And an arm base 58 having a segment gear 55a, and the arm 57 and the arm base 58 are overlapped so as to be rotatable to the substrate 53 by the pins 52. It is attached. The arm 57 is provided with a ball plunger 59 protruding by a spring not shown toward the arm base 58, and the ball plunger 59 is provided with an arm base 58. It is possible to engage and escape the recessed part 60 formed in the recess. In addition, although the 2nd clamping piece 51b in the inside of an apparatus is the same as the said embodiment shown in FIG. 13, the shape of the pad 54b is the same plane as the pad 54a of the 1st clamping piece 51a. Instead, as shown in FIG. 14B, the vertical portion 54bV proximate to the nozzle 13 and extending parallel to the axis of the nozzle 13 extends horizontally from both ends of the vertical portion 54bV. It becomes the horizontal direction U shape which consists of horizontal part 54bH. A spring 61 is mounted between the arm base 58 and the second clamping piece 51b of the first clamping piece 51a, and the first clamping piece 51a and the second clamping piece 51b are mounted. Keeps open.

In the sandwiching unit 50 having such a structure, as shown in FIG. 15, when the driving lever 56 is rotated counterclockwise in a state where the first clamping piece 51a and the second clamping piece 51b are open. The first clamping piece 51a and the second clamping piece 51b are closed against the bias force of the spring 61, and the flat pads of the arm 57 of the first clamping piece 51a ( The packing sheet 5 is sandwiched by the pads 54b of the U-shape in the transverse direction of the 54a) and the second clamping piece 51b. This prevents the drug from sticking upstream. In particular, as shown in FIG. 14B, the vertical portion 54bV of the pad 54b of the second clamping piece 51b is located near the nozzle 13, and the pad 54a of the first clamping piece 51a is positioned. Since the packing sheet 5 is pinched by line contact rather than surface contact, the medicine can be reliably prevented from falling out between the nozzle and the pinching unit 50 '.

As shown in FIG. 15, when the arm 57 of the 1st clamping piece 51a is pulled forward with the 1st clamping piece 51a and the 2nd clamping piece 51b open, as shown in FIG. Similarly, since the ball plunger 59 of the arm 57 escapes from the recessed part 60 of the arm base 58, and the arm 57 falls forward with respect to the pin 52, the first clamping piece ( The packaging sheet 5 can be easily passed between 51a) and the second clamping piece 51b.

Moreover, in the said clamping unit 50, 50 ', the pad 54a of the 1st clamping piece 51a and the pad 54b of the 2nd clamping piece 51b were made into elastic bodies, either May be a rigid body such as iron or stainless steel, and the other may be an elastic body. Further, in the gripping unit 50 ', the shape of the pad 54b of the second gripping piece 51b is not limited to the above-described horizontal U-shape, and at least one vertical portion 54bV is a nozzle. It may be adjacent to (13) and extend parallel to the axis of the nozzle 13, for example, I-shape, H-shape, E-shape, F-shape, L-shape, □ shape, etc. can be adopted. have.

In the above embodiment, metal plate-like ones were used as the triangular plates 22 and 31. As shown in Figs. 17 and 18, block-shaped triangular bodies 62 made of synthetic resins are substituted in place of these. ) May be used. The triangular body 62 is a plate-shaped base 63 whose lower portion is an inverted triangle, and a substantially triangular-shaped block portion 64 protruding from an approximately lower half of the base 63. Consists of The block portion 64 is molded into a hollow. Although the upper surface of the block part 64 may be closed by the cover 64a, when it is left open, scattered chemicals may accumulate inside the block part 64, and the mixing to the next package can be prevented. The triangular body 62 is formed with the pressing portion 65 of the present invention which extends along the inclined surface of the block portion 64 from both edges of the base 63 and rises slightly outward. The ridge 66 extends along the inclined surface of the block portion 64 from the lower end of the base 63, and the inclined surfaces are formed in a V shape on both sides of the ridge line 66. As shown in FIG. 19, this triangular body 66 is attached to the frame 15 by the metal part 67 attached to the upper end of the base 63 similarly to 1st Embodiment of FIG. In addition, the block portion 64 faces the nozzle 13 opposite to the nozzle 13, and the ridge lines 66 are adjusted to follow the folds of the packing sheet 5. By the press part 65 of this triangular body 62, wrinkles are prevented from occurring in the packaging sheet 5 at the time of sealing the packaging sheet 5 by the heater rollers 16a and 16b. In addition, the ridge line of the block portion 64 prevents the looseness 68 from occurring in the fold portion of the packaging sheet 5, as shown by the dashed-dotted line.

In addition, although the sealing part 4 which consists of heater roller 16a, 16b was used in the above embodiment, the sealing part which is a component of this invention is not limited to this, what is called a pack system as shown in FIG. May be a sealing portion 4 '. The sealing portion 4 'includes a movable plate 73 movable in the direction of an arrow in which the transverse sealing heating surface 71 and the longitudinal sealing heating surface 72 are disposed, and the heating surfaces 71 and 72. The sealing sheet 5 is sandwiched by a fixing plate 74 provided with a sponge (not shown) at a portion corresponding to the cross lateral sealing and the closing sealing at the same time.

In addition, in the said embodiment, although the sheet | seat supply part changed the direction from the 1st roller 8 using the 4th roller 11, the hopper 3 and the heater roller (directly from the roll 6 without changing direction). 16a, 16b) may be supplied.

As is apparent from the above description, according to the present invention, since the pressing portion is provided between the sheet supply portion and the sealing portion to contact the inside of the edge portion of the opening of the packaging sheet from the inside, the portion and the longitudinal cross-sealing of the packaging sheet are performed. There is no difference in tension with the part where sealing is performed, and generation | occurrence | production of a wrinkle is prevented. As a result, a packaging band with a good appearance and easy to cut can be provided.

The package introduction portion is composed of a hopper having a nozzle inserted into the opening of the packaging sheet, and since the pressing portion is provided on the outer surface of the nozzle of the hopper, there is no need to install a new member for installing the pressing portion.

Since a triangular member for opening the sheet in a substantially V-shape is disposed between the sheet supply portion and the package introduction portion, a sufficient opening can be formed in the packaging sheet, and the introduction of the packaged product can be performed smoothly. In addition, since the opening is divided into compartments by the triangular member, the introduced package is prevented from flying from the triangular member to the upstream side of the packaging sheet in the supply direction.

Since a triangular member is used as a triangular plate, and the pressing portion is provided at the side edge of the triangular plate, it is not necessary to attach a new member for installing the pressing portion.

Since the triangular plate was made movable so that the distance from the edge of the opening to the pressing portion can be adjusted, the position of the pressing portion can be finely adjusted by looking at the actual occurrence of wrinkles.

Wrinkles are generated because a wrinkle suppression plate is provided in the opening of the packaging sheet and a press part is provided at the side edge of the wrinkle suppression plate between the package introduction portion and the triangle plate or between the sheet supply portion and the triangle plate. Seeing the situation, only the anti-wrinkle plate can be installed in an effective position.

Since the wrinkle suppression plate is made movable so that the distance from the edge of the opening to the pressing portion can be adjusted, the position of the pressing portion can be finely adjusted in view of the actual occurrence of wrinkles.

Since the triangular member is a block-shaped triangular body, and a pressing portion is provided so as to extend along the inclined surface of the block portion from both edges of the base, generation of wrinkles can be effectively prevented by this wide pressing portion. In addition, since the ridge lines extending from the lower end of the base along the inclined surface of the block portion follow the folds of the packing sheet, looseness can be prevented from occurring in the folds of the packing sheet.

Claims (12)

A sheet supply portion for supplying two elongated packaging sheets folded in the longitudinal direction in advance, a package introduction portion for opening the packaging sheet supplied from the sheet supply portion and introducing a packaged object from the opening; In the packaging device having a sealing unit for sealing the packaging sheet to be confined, A packaging apparatus, wherein a pressing portion acting from the inner side to the outer side is provided between the sheet supply portion and the sealing portion in the vicinity of an edge portion of the opening of the packaging sheet. The packaging apparatus according to claim 1, wherein the package introduction portion comprises a hopper having a nozzle inserted into an opening of the packaging sheet, and the pressing portion is provided on an outer surface of the nozzle of the hopper. The packaging device according to claim 1 or 2, wherein a triangular member for opening the sheet in a substantially V-shape is disposed between the sheet supply portion and the package introduction portion. The packaging device according to claim 3, wherein the triangular member is a triangular plate. The packaging device according to claim 4, wherein the pressing part is provided at a side edge of the triangle plate. The packaging device according to claim 5, wherein the triangular plate is movable to adjust a distance from an edge of the opening to the pressing portion. 5. A packaging apparatus according to claim 4, wherein a wrinkle suppression plate is provided in an opening of the packaging sheet between the package introduction portion and the triangular plate, and the press portion is provided at a side edge of the wrinkle suppression plate. . 5. The packaging apparatus according to claim 4, wherein a wrinkle suppression plate is provided in an opening of the packaging sheet between the sheet supply portion and the triangular plate, and the pressing portion is provided at a side edge of the wrinkle suppression plate. The packaging apparatus according to claim 7 or 8, wherein the anti-wrinkle plate is movable so as to adjust a distance from an edge portion of the opening to the pressing portion. 4. The triangular member according to claim 3, wherein the triangular member is a block-shaped triangular body, and the triangular body is composed of a plate-shaped base formed at an inverted triangular lower portion and a substantially triangular-vertical block portion protruding from the lower half of the base. Packaging device, characterized in that. The packaging apparatus according to claim 10, wherein the pressing portion is provided to extend along the inclined surface of the block portion from both edges of the base. 12. The packaging apparatus according to claim 11, wherein the ridges extending from the lower end of the base along the inclined surface of the block portion follow the folds of the packing sheet.