JP7126727B2 - Dust removal packaging equipment - Google Patents

Description

TECHNICAL FIELD The present invention relates to a dust-removing packaging device for dust-removing and packaging accumulated products.

Containers and trays for storing food, electronic parts, daily necessities, pharmaceuticals, etc., and resin molded products such as lids for such containers are made by heating and softening the resin sheet and applying the resin to the molding surface using compressed air, vacuum, or both. The sheets are brought into close contact with each other and molded, and the resin sheet after molding is carried into a trimming device and each molded product is punched out. The molded product after punching falls and is stacked on the previous molded product placed on the table. By repeating this for a predetermined number of times, an integrated product is formed by stacking a plurality of molded products in the same direction on the table.

Patent Literature 1 below discloses that dust removal is performed on such accumulated products, and then the accumulated products are conveyed to the packaging process via a discharge conveyor and a next-process conveyor.

JP-A-2002-119932

However, as in Patent Literature 1, transferring accumulated products from the dust removal process to the packaging process via a discharge conveyor and a next process transfer conveyor would result in an increase in the size of the equipment and an apparatus for dust removal and packaging (dust removal method). equipment) occupies a large space.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to reduce the size of a dust-removing packaging apparatus.

In order to solve the above problems, a dust removing packaging apparatus according to the present invention includes a dust removing apparatus, a packaging apparatus, and a product conveying apparatus for conveying accumulated products from the dust removing apparatus to the packaging apparatus,
The dust remover includes an upstream support section that supports the accumulated products, and a nozzle member that blows air onto the accumulated products while moving relative to the accumulated products along the accumulation direction of the accumulated products supported by the upstream support section. have
A packaging device includes a sheet holding section that holds packaging sheet materials facing each other, a downstream support section that supports stacked products between the facing sheet materials, and a stacked product between the facing sheet materials. and a sealing portion for heat-sealing the sheet materials facing each other around the stacked product in a state where the
The product conveying device is characterized in that the accumulated products are moved along the accumulation direction and conveyed from the upstream side support section to the downstream side support section.

In the dust removing packaging apparatus according to the present invention, the nozzle member moves relative to the stacked products along the stacking direction of the stacked products supported by the upstream support portion of the dust removing apparatus, and the product conveying device moves the stacked products. By moving along the direction, dust is removed from the stacked products put into and supported by the upstream side support section of the dust removal device, and then conveyed to the downstream side support section of the packaging device. In this case, since the conveying direction of the accumulated products loaded and supported by the upstream side support portion of the dust remover and the direction of relative movement of the nozzle member with respect to the accumulated products are the same, the arrangement space for the nozzle member and the product conveying device, or It is possible to efficiently secure the operating space. Therefore, the size of the entire device can be reduced. In addition, since the transportation from the dust removing device to the packaging device can be performed in one action and in the shortest distance, the cycle time from the start of dust removal to the completion of packaging can be shortened.

The dust-removing packaging device can be configured such that the upstream side support section and the downstream side support section respectively support the peripheral edge portions of the stacked product inclined in the normal and reverse directions.

In this way, just by arranging the stacked products on the upstream side support portion, the stacked products can be positioned in the direction orthogonal to the stacking direction, and the downstream side support portion can also be positioned on the stacked products. It is possible to position the stacked product in a direction orthogonal to the stacking direction by simply arranging the . Therefore, it is not necessary to arrange the guide members on both sides of the stacked products. If such guide members are provided, a mechanism for adjusting the interval between the guide members according to the size of the stacked products is required. Since an adjustment mechanism is not required, the size of the dust-removing packaging device can be further reduced.

In the above configuration, the nozzle member may blow air onto the stacked products supported by the upstream side support while moving along the stacking direction of the stacked products, or the stacked products conveyed by the product conveying device may move. , and blows air onto the stacked products being transported along the stacking direction on the transport path. In particular, with the latter configuration, there is no need for a device or mechanism for moving the nozzle member along the stacking direction of the stacked products. The cycle time required for product dust removal and packaging work can be shortened.

The dust-removing packaging apparatus preferably has a switching mechanism for switching the downstream support portion between a supporting state for supporting the stacked products and a non-supporting state for dropping the stacked products. Moreover, it is preferable to dispose the seal portion below the downstream side support portion.

This eliminates the need for a mechanism for conveying the stacked products from the process of storing the stacked products between the facing sheet materials to the process of heat-sealing the sheet materials together at the sealing portion. Therefore, further miniaturization and simplification of the dust removal packaging apparatus can be achieved.

As for the product transport device, it is preferable to grip and transport the stacked products from both ends in the stacking direction.

As a result, when the stacked products are conveyed from the dust removing device to the packaging device, the boundary between the upstream side support portion and the downstream side support portion does not interfere with the stacking state of the stacked products. It becomes possible to stably convey the product.

In order to pack accumulated products efficiently and accurately, the packaging device has a roll support section that supports a sheet roll (sheet material wound into a roll) rotatably around its axis, and a A sheet supply mechanism including a guide member that guides and moves the delivered sheet material toward the sheet holding portion can be provided. It is preferable that the sheet supply mechanism can move up and down between two positions: a raised position where the roll supporter is positioned above the sheet holding part, and a lowered position where the roll supporter is positioned below the sheet holding part. .

In this case, if the sheet supply mechanism is positioned at the lowered position, the sheet roll can be replaced easily and quickly. It is possible to avoid obstacles in smoothly carrying out various operations around the device (for example, loading accumulated products into the dust removing device and taking out packed accumulated products). Therefore, it becomes possible to efficiently perform dust removal and packaging operations for the accumulated products.

ADVANTAGE OF THE INVENTION According to this invention, size reduction of a dust removal packaging apparatus can be achieved.

BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic plan view of the dust removal packaging apparatus which concerns on 1st Embodiment of this invention. FIG. 2 is a schematic front view of the dust-removing packaging device during dust-removing work, viewed from the direction A1 in FIG. 1 ; FIG. 2 is a schematic side view of a main part when the dust removal packaging device is viewed from direction A2 in FIG. 1; It is a perspective view of a nozzle member. FIG. 2 is a schematic cross-sectional view of the main part of the dust-removing packaging device when viewed along the A3-A3 cross section in FIG. 1; It is a front view which shows the dust-removal process by a dust-removal packaging apparatus. FIG. 2 is a schematic cross-sectional view of the dust-removing packaging device when viewed along the A4-A4 cross section in FIG. 1; FIG. 3 is a schematic cross-sectional view of the dust-removing packaging device when viewed along the A5-A5 cross section in FIG. 2; FIG. 3 is a schematic front view showing a step of conveying stacked products by the dust removing packaging apparatus of FIG. 2; FIG. 3 is a schematic front view showing a step of conveying stacked products by the dust removing packaging apparatus of FIG. 2; FIG. 3 is a schematic front view showing a step of conveying stacked products by the dust removing packaging apparatus of FIG. 2; FIG. 3 is a schematic front view showing a step of conveying stacked products by the dust removing packaging apparatus of FIG. 2; FIG. 3 is a schematic front view showing a step of conveying stacked products by the dust removing packaging apparatus of FIG. 2; FIG. 8 is a schematic cross-sectional view showing a packaging process by the dust removing packaging apparatus of FIG. 7; FIG. 8 is a schematic cross-sectional view showing a packaging process by the dust removing packaging apparatus of FIG. 7; FIG. 8 is a schematic cross-sectional view showing a packaging process by the dust removing packaging apparatus of FIG. 7; FIG. 17 is a partial schematic view of the dust-removing packaging device when viewed from the A6 direction in FIG. 16; FIG. 8 is a schematic cross-sectional view showing a packaging process by the dust removing packaging apparatus of FIG. 7; It is a schematic front view of the dust removal packaging apparatus which concerns on 2nd Embodiment of this invention. FIG. 20 is a front view showing a dust removing process by the dust removing packaging apparatus of FIG. 19; FIG. 21 is a schematic diagram of a main part of the dust-removing packaging device when viewed from direction A8 in FIG. 20; FIG. 20 is a schematic diagram of the dust-removing packaging device when viewed from direction A7 in FIG. 19; It is a top view of the dust removal packaging apparatus which concerns on a reference example. FIG. 24 is a side view of the dust-removing packaging device viewed from direction A in FIG. 23;

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described with reference to the drawings.

A dust-removing packaging apparatus according to an embodiment of the present invention is an apparatus for removing dust and packaging products of the same shape stacked in the same direction (referred to as "stacked products"). Each product 2a (see FIG. 6) is formed by heating and softening a resin sheet, using compressed air, vacuum, or both to adhere the resin sheet to the molding surface and molding the molded resin sheet, and carrying the molded resin sheet into a trimming device. It is manufactured by punching out each molded product. The product 2a is used as, for example, a resin container, tray, lid, or the like.

FIG. 1 is a schematic plan view of a dust-removing packaging apparatus 1 according to a first embodiment of the present invention, and FIG. 2 is a schematic front view of the dust-removing packaging apparatus 1 during dust-removing work, viewed from direction A1 in FIG. is. 3 is a schematic side view of the essential parts of the dust-removing packaging apparatus 1 as seen from direction A2 in FIG. 1, and FIG. 4 is a perspective view of the nozzle member 32. As shown in FIG. FIG. 5 is a schematic cross-sectional view of the essential parts of the dust-removing packaging apparatus 1 taken along line A3-A3 in FIG. 1, and FIG. FIG. 7 is a schematic cross-sectional view of the main parts of the dust-removing packaging apparatus 1 when viewed along the A4-A4 cross section in FIG.

As shown in FIGS. 1 and 2, this dust-removing packaging apparatus 1 comprises a dust-removing device 3 for removing dust from horizontally accumulated products 2 (see FIG. 2), and a dust-removed accumulated product 2 from the dust-removing device 3. A packaging device 6 for packaging with a sheet material 5 made of resin, and a stacked product 2 (indicated by a solid line) introduced into the dust removal device 3 is conveyed to the packaging device 6 (the stacked product 2 after transportation is shown by a two-dot chain line). and a product conveying device 8 . In FIG. 1, illustration of the product conveying device 8 and other elements is omitted for simplification of the drawing. Further, in FIGS. 2 and 9 to 13, for simplification of the drawings, the later-described upstream side support portion 31 and downstream side support portion 62 are drawn in a simplified form different from the actual form.

In the following description, the stacking direction (horizontal direction in this embodiment) of the stacking products 2 is simply referred to as "stacking direction". In addition, in the stacking direction, the side on which the dust removing device 3 is provided (the left side of the paper surface of FIG. 1) is called the "upstream side", and the side on which the packaging device 6 is provided (the right side of the paper surface of FIG. 1) is called the "downstream side". To tell. In this embodiment, as shown in FIG. 2, the stacking direction of the stacked products 2 and the conveying direction of the stacked products 2 by the product conveying device 8 are the same.

As shown in FIG. 2 , the dust remover 3 has an upstream support portion 31 capable of supporting the loaded stacked products 2 and a nozzle member 32 for blowing dust-removing air onto the stacked products 2 .

As shown in FIG. 1, the upstream support part 31 has a rod shape extending in the stacking direction and has a plurality of support members 33 arranged in parallel along the stacking direction. As shown in FIG. 3, each support member 33 forms two straight lines in which a line connecting the centers of the support members 33 is inclined in opposite directions on a plane perpendicular to the stacking direction. are arranged so that the lower ends of the That is, each support member 33 is arranged so as to draw a V-shaped configuration. A plurality of support members 33 aligned on one of the two straight lines form a stationary support portion 31a fixed to a base member such as a frame, and a plurality of support members 33 aligned on the other straight line. constitutes a swingable movable support portion 31b.

In such a configuration, when viewed from the stacking direction, two peripheral edge portions of the stacked products 2 inclined in opposite directions can be supported by the upstream support portion 31 . Specifically, the stationary support portion 31a supports the peripheral portion of the stacked product 2 inclined in the forward direction, and the movable support portion 31b supports the peripheral portion of the stacked product 2 inclined in the opposite direction. By supporting the stacked product 2 with the stationary support portion 31a and the movable support portion 31b having such a configuration, the corner portion or top portion between the two sides inclined in opposite directions to each other is formed by the stationary support portion 31a and the movable support portion. It is positioned between 31b and is supported in a posture of being the lowest end. At this time, since the stacked products 2 are restrained and positioned not only in the vertical direction but also from both sides (direction perpendicular to the stacking direction), there is no need to guide both sides of the stacked products 2 with movable guide plates or the like. . Therefore, the structure of the entire device can be simplified.

A plurality of support members 33 constituting the stationary support portion 31a are integrated by a connecting member (not shown), and a plurality of support members 33 constituting the movable support portion 31b are also integrated by a connecting member (not shown). . The movable support portion 31b is driven by a drive source (servo motor, cylinder, etc.) (not shown), and rotates between the supply position (indicated by a two-dot chain line) and the rotation axis O provided near the intersection of the two straight lines. It swings between two supporting positions (indicated by solid lines). The movable support portion 31b in the illustrated example is configured to take a horizontal posture when positioned at the supply position, and to take an inclined posture with respect to the horizontal direction when positioned at the support position. It is also possible to adopt another posture (for example, a tilted posture in which the direction of tilt is opposite to the tilted posture when positioned at the support position).

A carry-in conveyor 34 is arranged in the extending direction of the horizontal movable support portion 31b. By supplying the stacked product 2 onto the carry-in conveyor 34 with the movable support portion 31b in a horizontal posture, the stacked product 2 is transferred and thrown onto the movable support portion 31b. In the illustrated example, the stacked product 2 is transferred onto the movable support portion 31b via the intermediate rollers 35 arranged between the movable support portion 31b and the carry-in conveyor 34. As shown in FIG.

Next, the stacked product 2 is supported by the upstream side support portion 31 by swinging the movable support portion 31 b about the rotation axis O to shift to the inclined posture (positioned at the support position). In this embodiment, the nozzle member 32, which will be described below, is moved along the stacking direction, and air is blown from the nozzle 322 provided on the nozzle member 32 to the stacked products 2 supported by the upstream side support portion 31. As a result, the accumulated products 2 are dust-removed.

Note that the carry-in conveyor 34 and the relay rollers 35 can be omitted if they are not particularly necessary. In this case, since it is not necessary to swing the movable support portion 31b, each support member 33 constituting the movable support portion 31b may be fixed to a base member such as a frame and the support member 33 may be used as a fixed side support portion. can. If the carry-in conveyor 34 is omitted, the accumulated products 2 are manually put into and supported by the upstream support section 31 by the operator.

As shown in FIGS. 2 and 3, the nozzle member 32 of this embodiment reciprocates along the stacking direction above the stack of products 2 supported by the upstream support portion 31 . As shown in FIG. 4, the nozzle member 32 has a form in which two rectangular parallelepiped nozzle bodies 321 are arranged in an L shape when viewed from the stacking direction and connected to each other.

As shown in FIGS. 3 and 5, each nozzle body 321 is hollow. A nozzle 322 communicating with the internal space of each nozzle body 321 is provided on the surface of each nozzle body 321 facing the stacked product 2, and the nozzle 322 is a slit extending in the direction along the peripheral edge of the product 2a (see FIG. 6). formed in the shape of The internal spaces of the nozzle bodies 321 are merged and connected to the air supply pipe 323 . Then, by supplying air from a blower (not shown) as an air supply source to the internal space of each nozzle body 321 through an air supply pipe 323, the air is blown out from the nozzles 322 as indicated by the arrows, and the accumulated product is 2 dust removal is performed.

By using the blower to supply air to the nozzle member 32 in this way, it is possible to reduce the electric power required for dust removal compared to the case of using a compressor as an air supply source. If the nozzle 322 is formed in a shape of many pores, it becomes difficult to secure the air pressure and air volume (air volume) required for dust removal by blowing with a blower due to the flow path resistance (tube resistance). If the nozzle 322 is formed in a flat shape, the pipe resistance generated when air passes through the nozzle 322 can be reduced. It is possible to supply air with a constant air volume.

Dust and foreign matter removed from the product 2a are sucked by the vacuum device 37 shown in FIG.

As shown in FIG. 2, the dust remover 3 of this embodiment further includes a nozzle transfer device 38 and a pair of stoppers 39 and 40 for holding the stacked products 2 during dust removal in the stacking direction.

The nozzle transfer device 38 includes a linear actuator (first linear actuator) 381 that moves the nozzle members 32 in the stacking direction, and a linear actuator (second linear actuator) 382 that moves the nozzle members 32 in the vertical direction. have. Both of the linear motion actuators 381 and 382 convert the output of motors (for example, servo motors) as rotational drive sources 381a and 382a into straight lines of sliders 381b and 382b via a motion conversion mechanism such as a ball screw or belt transmission. An electric actuator, such as a so-called electric slider, is used that converts the movement into motion. As the linear motion actuators 381 and 382, various cylinders such as electric cylinders, hydraulic cylinders, and air cylinders can be used instead of electric actuators.

A rotational drive source 381 a of the first linear actuator 381 is fixed to the base member 10 such as a frame, and a rotational drive source 382 a of the second linear actuator 382 is fixed to the slider 381 b of the first linear actuator 381 . The nozzle member 32 is attached to the slider 382 b of the second linear actuator 382 . In this case, by driving the rotational drive source 381a of the first linear actuator 381 in forward and reverse directions, the nozzle member 32 reciprocates along the stacking direction, and the rotational drive source 382a of the second linear actuator 382 is driven forward and backward. By driving in the direction, the nozzle member 32 moves up and down. By driving the second direct-acting actuator 382, the position of the nozzle member 32 in the height direction can be adjusted, and dust can be removed at a position suitable for the size of the stack of products 2 to be dust-removed. The movement of the nozzle member 32 in the vertical direction (position adjustment in the height direction) does not necessarily have to be performed by the second direct acting actuator 382, and may be performed manually. When manually moving the nozzle member 32 in the vertical direction, for example, a rotary operation handle is provided in place of the second direct acting actuator 382 (rotary drive source 382a).

The slider 381b of the first linear actuator 381, the second linear actuator 382, and the nozzle member 32 move together in the stacking direction. As shown in FIG. 2, the nozzle member 32 can be moved by the first direct-acting actuator 381 to a standby position (indicated by a chain double-dashed line) retracted upstream in the conveying direction from the area above the stacked products 2 . . The nozzle member 32 at the standby position does not interfere with each part of the product conveying device 8 even when the main slider 81a of the product conveying device 8, which will be described later, moves above the upstream support portion 31 (see FIG. 9).

The stoppers 39 and 40 are provided so as to face both ends (upstream end and downstream end) of the stacked products 2 placed and supported by the upstream support portion 31 in the stacking direction. Of the pair of stoppers 39 and 40, the upstream stopper 39 located on the upstream side is connected to a linear motion member of a linear motion actuator (third linear motion actuator) 41 and reciprocates in the stacking direction. As shown in FIG. 5, the downstream stopper 40 has a facing position (indicated by a solid line) facing the downstream end of the stacked products 2 and a retracted position (indicated by a chain double-dashed line) to a position where it does not interfere with the stacked products 2. ) about a rotation axis P extending in the stacking direction.

As shown in FIG. 2, the distance between the upstream stopper 39 and the downstream stopper 40 during dust removal is slightly longer than the length L of the stacked products 2 in the stacking direction. Therefore, as shown in FIG. 6, when the air blown from the nozzle 322 is blown onto the stack of products 2, the stack of products 2 is divided into two by the boundary directly below the nozzle 322, one of which is pushed toward the upstream stopper 39, The other is pushed toward the downstream stopper 40 side. Thereby, a gap C is formed between the products 2a immediately below the nozzle 322. As shown in FIG. The air flowing through the gap C removes dust and foreign matter adhering to the product 2a, thereby performing dust removal.

Since the gap C between the products 2a is formed directly below the nozzle 322, the position of the gap C moves little by little as the nozzle member 32 moves. When the nozzle member 32 (nozzle 322 ) that starts moving from the upstream end of the stacked product 2 reaches the downstream end of the stacked product 2 , the entire stacked product 2 is pressed against the upstream stopper 39 . After that, by reversing the movement direction of the nozzle member 32, a gap C is formed between the products 2a immediately below the nozzle 322 in the same manner as described above, and the gap C gradually moves to the upstream side. When the nozzle member 32 returns to the upstream end of the product stack 2 , the entire product stack 2 is pressed against the downstream stopper 40 . By reciprocating the nozzle member 32 twice, dust removal from the stacked products 2 can be almost certainly performed.

Next, the packaging device 6 will be described.
As shown in FIGS. 1, 2 and 7, the packaging device 6 includes a sheet holding portion 61 that holds the sheet materials 5 for packaging facing each other, and the stacked product 2 between the sheet materials 5 facing each other. A downstream support portion 62 for supporting, a seal portion 67 for heat-sealing the opposed sheet materials 5 around the stacked product 2 in a state where the stacked product 2 is arranged between the opposed sheet materials 5, and a sheet holding portion. and a sheet supply mechanism 70 for supplying the sheet material 5 (resin sheet 51 ) toward the portion 61 .

The sheet supply mechanism 70 rotatably supports a sheet roll 50 (see FIG. 1) obtained by winding a resin sheet 51 (here, folded in half at the middle portion in the width direction) into a roll shape. It has a rolled roll support. The resin sheet 51 fed out from the sheet roll 50 is intermittently supplied toward the sheet holding portion 61 while being folded in half at the middle portion in the width direction, as shown in FIGS. In addition, the side on which the bent portion 52 is formed is arranged downstream, and the free end 53 is arranged upstream, and is held by the sheet holding portion 61 . Of the resin sheets 51 held by the sheet holding portion 61 in such a manner, the portions facing each other in the horizontal direction perpendicular to the stacking direction become the sheet materials 5 .

As shown in FIGS. 2 and 7, the sheet holding section 61 is arranged above (the stack of products 2 supported by) the downstream support section 62 . The sheet holding portion 61 of the present embodiment is composed of two rod-shaped members that are horizontally spaced apart and arranged parallel to the stacking direction, and is attached to a base member such as a frame. By interposing two sheet holding portions 61 between a pair of sheet materials 5 facing each other, the interval between the sheet materials 5 facing each other can be made wider than the width of the stacked product 2 .

The sheet material 5 below the sheet holding portion 61 hangs down due to its own weight. Stacked products 2 conveyed to downstream side support portion 62 by product conveying device 8, which will be described later, are accommodated in the space between facing sheet materials 5 through openings between free ends 53 of facing sheet materials 5. . The lower ends 5a of the sheet materials 5 facing each other are in a state of being thermally welded together by the previous wrapping operation. That is, although the details will be described later, the sealing portion 67 (the horizontal sealing portion 67b thereof) heat-welds the upper ends of the pair of sheet materials 5 containing the stacked products 2 being packaged, and at the same time, The lower ends 5a of a pair of sheet materials 5 for accommodating the stack of products 2 to be provided are heat-sealed to each other.

As shown in FIG. 7, the downstream support portion 62 supports two peripheral edge portions of the stacked products 2 inclined in the normal and reverse directions when viewed from the stacking direction. A case is illustrated in which the downstream side support portion 62 is configured by two rod-shaped support members 621 arranged in the direction shown in FIG. The two support members 621 are arranged on both sides of the center of gravity of the stacked products 2 when viewed from the stacking direction. With such a support structure, the stacked products 2 are held in such a posture that the oppositely slanted corners or tops between the two sides are located between the two support members 621 and are at the bottom. As a result, the stacked products 2 are positioned by the downstream support portion 62 not only in the vertical direction, but also in the direction perpendicular to the stacking direction (horizontal direction along the plane of FIG. 7). The number of supporting members 621 is arbitrary, and two or more supporting members 621 can be used on one side.

The position of each support member 621 of the downstream side support portion 62 corresponds to the posture of the stacked products 2 supported by the downstream side support portion 62, and the position in the height direction corresponds to the posture of the stacked products 2 supported by the upstream side support portion 31. and the position in the height direction. As a result, when the stacked products 2 are transported from the dust removing device 3 to the packaging device 6 by the product transporting device 8, which will be described later, the stacked products 2 do not collapse or get caught, and can be stably transported. Become.

The downstream support section 62 is switched by a switching mechanism 63 between a supporting state in which the stacked products 2 are supported and a non-supporting state in which the stacked products 2 are dropped. In the present embodiment, one of the two support members 621 constituting the downstream support portion 62 is connected to the output side of the linear actuator 64 (fourth linear actuator), and the other is connected to the linear actuator 64. A switching mechanism 63 is configured by connecting to the output side of another linear actuator 65 (fifth linear actuator). The fixed sides of the two linear motion actuators 64 and 65 are both fixed to the base member 10 such as a frame. As both the linear motion actuators 64 and 65, it is preferable to use cylinder type actuators that do not remain under the stacked products 2 when retracted. As the cylinder, in addition to an electric cylinder, a hydraulic cylinder, an air cylinder, or the like can also be used.

The direction of motion of the direct-acting actuators 64 and 65 constituting the switching mechanism 63 is set so that the support member 621 does not interfere with the stacked product 2 when driven. In this embodiment, the motion direction of the fourth linear actuator 64 is parallel to the straight line connecting the centers of the support members 33 forming the stationary support portion 31a of the upstream support portion 31, and the motion of the fifth linear actuator 65 A case in which the direction is parallel to the straight line connecting the centers of the support members 33 constituting the movable support portion 31b of the upstream support portion 31 is illustrated. By retracting one or both of the two linear motion actuators 64 and 65, the space between the support members 62 and 62 is increased, and the piled product 2 drops. As shown in FIG. 2 , the direct acting actuators 64 and 65 constituting the switching mechanism 63 are installed upstream of the free end 53 of the sheet material 5 hanging down from the sheet holding portion 61 .

A seal portion 67 is arranged below the downstream support portion 62 . As shown in FIG. 7, the seal portions 67 are arranged outside the hanging sheet material 5 and are arranged in pairs so as to face each other in the horizontal direction orthogonal to the stacking direction. As shown in FIG. 2, each seal portion 67 includes a vertical seal portion 67a extending vertically facing the vicinity of the free end 53 of the sheet material 5, and a vertical seal portion 67a extending horizontally toward the downstream side from the upper end of the vertical seal portion 67a. and a lateral seal portion 67b. Although not shown, the vertical seal portion 67a has a linear heater (vertical heater) extending along its longitudinal direction (vertical direction), and the lateral seal portion 67b has a linear heater extending along its longitudinal direction (horizontal direction). ) and two heaters (horizontal heaters), and a cutting blade disposed between the two heaters.

An unloading conveyor 68 is arranged below the sealing portion 67 . The packed accumulated product 2 wrapped with the sheet material 5 is carried out to the outside of the packaging device 6 (dust removing packaging device 1) by the carrying-out conveyor 68 .

The product conveying device 8 includes a linear actuator 81 (sixth linear actuator) having a horizontally movable main slider 81a and a linear actuator 82 (seventh linear actuator) having a horizontally movable subslider 82a. linear motion actuator) and a linear motion actuator 83 (eighth linear motion actuator) having a vertically movable elevating slider 83a. The linear motion actuators 81, 82, 83 are provided with rotary motions of motors (for example, servo motors) serving as rotary drive sources 81b, 82b, 83b, respectively, via motion conversion mechanisms such as ball screws or belt transmissions to the respective sliders. An electric actuator, such as an electric slider, is used to convert the linear motion of 81a, 82a, 83a. As the direct-acting actuators 81, 82, 83, in addition to the electric actuators described above, various cylinders such as an electric cylinder, a hydraulic cylinder, and an air cylinder can also be used.

A rotary drive source 81b of the sixth linear actuator 81 is fixed to the base member 10 such as a frame. The rotational drive source 82b of the seventh linear actuator 82 is fixed to the main slider 81a of the sixth linear actuator 81, and the rotational drive source 83a of the eighth linear actuator 83 is fixed to the secondary slider 82a of the seventh linear actuator 82. is fixed to With the above configuration, the main slider 81a moves in the horizontal direction by driving the rotary drive source 81b of the sixth linear actuator 81 in the forward and reverse directions. Further, by driving the rotational drive source 82b of the seventh linear actuator 82 in the forward and reverse directions, the sub-slider 82a moves horizontally with respect to the main slider 81a. Further, by driving the rotation drive source 83b of the eighth direct-acting actuator 83 in forward and reverse directions, the elevation slider 83a is elevated.

A first chuck member 85 facing the upstream end of the stacked products 2 is attached to the elevating slider 83a. A second chuck member 86 is attached to the main slider 81a so as to face the downstream end of the stacked products 2 . By driving the seventh linear motion actuator 82, the gap between the two chuck members 85 and 86 can be expanded or reduced, that is, various stacked products 2 having different lengths in the stacking direction can be chucked. Become.

As shown in FIG. 2, a shutter 9 is provided between the dust remover 3 and the packaging device 6. As shown in FIG. As shown in FIG. 1, the shutter 9 can be opened and closed in a direction orthogonal to the stacking direction. By closing the shutter 9, the space between the dust remover 3 and the packaging device 6 is separated during dust removal, and contamination of the packaging device 6 due to entry of dust and foreign matter generated during dust removal is prevented. Ends of each support member 33 of the upstream support section 31 and each support member 621 of the downstream support section 62 are provided with shutters so that the accumulated products 2 can smoothly move from the upstream support section 31 to the downstream support section 62 . It is provided at a position close to 9.

Each linear motion actuator 381, 382, 41, 64, 65, 81, 82, 83 described above is controlled and driven by a signal from the control panel 11 shown in FIG.

The operation of the dust-removing packaging apparatus 1 after the dust-removing work is completed will be described below.

After the dust removing operation by the dust remover 3 is completed, the nozzle member 32 is moved to the standby position as shown in FIG. Further, the linear motion actuator 41 to which the upstream stopper 39 is connected is driven in the extension direction, and the upstream stopper 39 presses the stacked products 2 to bring the stacked products 2 into contact with the downstream stopper 40 . At the same time, the shutter 9 is moved to the open position.

Next, as shown in FIG. 10, the sixth linear motion actuator 81 of the product conveying device 8 is driven to move the main slider 81a toward the dust remover 3 side, and the upstream chuck member 85 and the downstream chuck member 86 are moved to the accumulated product. 2 are located directly above both ends. At this time, the main slider 81a is stopped while the downstream side chuck member 86 is located downstream of the downstream side stopper 40. As shown in FIG.

Next, as shown in FIG. 11, the downstream stopper 40 is swung to the retracted position (see FIG. 5). Also, the eighth direct-acting actuator 83 is driven to lower the upstream side chuck member 85 . At this time, as shown in FIG. 3, the upstream chuck member 85 and the upstream stopper 39 are arranged with their positions shifted. do not have. Also, the upstream chuck member 85 is lowered slightly upstream of the upstream end of the stacked products 2 so that the tip thereof does not collide with the stacked products 2 during its descent.

Next, as shown in FIG. 12, by driving the seventh direct-acting actuator 82 to move the sub-slider 82a to the downstream side, the upstream chuck member 85 presses the accumulated products 2 to the downstream side. 2 is brought into contact with the downstream chuck member 86 . Thereby, the stack product 2 can be sandwiched between the upstream side chuck member 85 and the downstream side chuck member 86 .

Next, as shown in FIG. 13, by driving the sixth direct-acting actuator 81 to move the main slider 81a downstream, the chuck members 85 and 86 and the stacked products 2 gripped by the chuck members 85 and 86 are moved. is conveyed to the downstream side, and the accumulated product 2 is placed on the downstream side support portion 62 . At this time, the stacked product 2 is accommodated in the space between the sheet materials 5 through the opening between the free ends 53 of the sheet materials 5 facing each other. Further, the main slider 81a, the upstream side chuck member 85, and the downstream side chuck member 86 of the product conveying device 8 are also accommodated in the space between the sheet materials 5 facing each other.

At the same time, the downstream stopper 40 is oscillated to return to the facing position facing the downstream end of the stacked products 2, and the third direct acting actuator 41 is driven to return the upstream stopper 39 to the initial position. . After that, the stacked products of the next stage are supplied onto the upstream side support portion 31, and the dust removal operation for the stacked products is performed in the same procedure.

When the stacked product 2 is conveyed to the downstream side support portion 62 of the packaging device 6, as shown in FIG. As a result, the downstream side support portion 62 is switched to the non-supported state, and the piled product 2 drops. Since the lower ends 5a of the opposing sheet materials 5 have been heat-sealed in the previous sealing operation, when the stacked product 2 drops, it is dragged by this dropping motion and new resin is released from the sheet roll 50 (see FIG. 1). A sheet 51 is fed out.

Even if the direct-acting actuators 64 and 65 are driven synchronously, the supporting members 621 are separated from the stacked products 2 at different timings because the peripheral edge portions of the stacked products 2 supported by the supporting members 621 have different lengths. Due to this difference in release timing, the falling piled product 2 rotates clockwise from the inclined posture shown in FIG. Since the posture is changed from the tilted posture to the upright posture by rotating the stacked products 2 in this way, the amount of the resin sheet 51 used can be reduced. In addition to driving both linear actuators 64 and 65 synchronously, it is also possible to drive only one of them to drop and rotate the stacked products 2 .

Next, as shown in FIG. 15, the stacked product 2 is placed on the carry-out conveyor 68 while being accommodated in the space between the pair of sheet materials 5 whose lower ends 5a are closed. At this time, since the stacked products 2 are in an upright posture, the stacked products 2 stand stably on the unloading conveyor 68 by themselves.

Next, as shown in FIGS. 16 and 17, a pair of opposing seal portions 67 are butted against each other, and heaters ( The sheet material 5 is heated by vertical heaters and horizontal heaters. As a result, a thermally welded portion (first thermally welded portion) is formed by thermally welding the free ends 53 of the pair of sheet materials 5 facing each other, and the upper end of the first thermally welded portion is formed by the vertical heater. Two upper and lower heat-welded portions (second heat-welded portions) are formed by heat-welding the region from the 1 to the bent portion 52 by the horizontal heater. At the same time, of the sheet material 5 , the vicinity of the intermediate portion between the upper and lower thermally welded portions is cut by a cutting blade provided on the lateral seal portion 67 b of the seal portion 67 . As described above, the package 21 in which the stacked product 2 is sealed with the sheet material 5 is completed. The package 21 is discharged out of the machine by the discharge conveyor 68 .

After that, as shown in FIG. 18, the linear motion actuators 64 and 65 of the switching mechanism 63 are extended to return the packaging device 6 to the initial state, and the same operation is repeated thereafter.

In the dust removing packaging apparatus 1 of the present embodiment described above, the nozzle member 32 moves (reciprocates) along the stacking direction of the stacked products 2 put into and supported by the upstream support portion 31 of the dust removing apparatus 3, and As the product conveying device 8 moves along the stacking direction of the stacked products 2 , the stacked products 2 put into and supported by the upstream side support portion 31 are dust-removed and then transported to the downstream side support portion 62 of the packaging device 6 . be done. In this case, since the conveying direction of the stacked product 2 and the moving direction of the nozzle member 32 by the nozzle transfer device 38 are the same, the arrangement space or operation space for the nozzle transfer device 38 and the product transfer device 8 can be efficiently secured. be able to. Therefore, size reduction of the dust removal packaging apparatus 1 can be achieved. In addition, since the transportation from the dust removal device 3 to the packaging device 6 is performed in one action and in the shortest distance, the time required from the start of the dust removal work on the stacked products 2 to the completion of the packaging work (time required for the dust removal packaging work) cycle time) can also be shortened.

Further, in the present embodiment, the upstream side support portion 31 and the downstream side support portion 62 each support two peripheral edge portions of the stacked products 2 inclined in the forward and reverse directions. In this way, the stacked products 2 can be positioned in the direction orthogonal to the stacked products just by placing the stacked products 2 on the upstream support portion 31 . Only by arranging the stacked product 2 on this, the stacked product 2 can be positioned in the direction orthogonal to the stacking direction. Therefore, it is not necessary to arrange guide members on both sides of the stacked product 2 . If such guide members are provided, a mechanism for adjusting the interval between the guide members according to the size of the stacked products 2 is required, but the configuration of this embodiment does not require such an adjustment mechanism. Therefore, while achieving further miniaturization of the dust-removing packaging apparatus 1, the work (rearrangement change ) can be simplified.

Further, in this embodiment, a switching mechanism 63 is provided to switch the downstream side support portion 62 between a supporting state in which the stacked products 2 are supported and a non-supporting state in which the stacked products 2 are dropped. 62 is switched from a supporting state to a non-supporting state to cause the stacked products 2 to drop (free fall), thereby accommodating and arranging the stacked products 2 between the opposing sheet materials 5, and then heating the opposing sheet materials 5. It is welded. In this case, a mechanism (conveying device) for conveying the stacked products 2 from the process of accommodating the stacked products 2 between the sheet materials 5 facing each other to the process of heat-welding the sheet materials 5 to each other is not required. Therefore, further miniaturization of the dust-removing packaging apparatus 1 becomes possible.

In this embodiment, since the chuck members 85 and 86 of the product conveying device 8 grip and convey the stacked products 2 from both ends in the stacking direction, when transporting the stacked products from the dust remover 3 to the packaging device 6, It is possible to avoid a situation in which the boundary between the upstream side support portion 31 and the downstream side support portion 62 is caught and the accumulated state of the accumulated products is disturbed. Therefore, the stacked product 2 can be stably transported.

A dust-removing packaging apparatus 1 according to a second embodiment of the present invention will be described below with reference to FIGS. 19 to 22, focusing on the configuration different from that of the dust-removing packaging apparatus 1 of the first embodiment described above. 19 is a schematic front view of the dust-removing packaging device 1 according to the second embodiment, FIG. 20 is a schematic front view showing a dust-removing process by the dust-removing packaging device 1 shown in FIG. 19, and FIG. 22 is a schematic view of the dust-removing packaging apparatus 1 viewed from the A8 direction of FIG. 19, and FIG. 22 is a schematic view of the dust-removing packaging apparatus 1 viewed from the A7 direction of FIG.

In the dust-removing packaging apparatus 1 according to the second embodiment, as shown in FIGS. 19 and 20, the nozzle member 32 is placed in and supported by the upstream support section 31, and then the stacked products 2 are conveyed by the product conveying device 8. is fixedly provided at a predetermined position (here, between the upstream side support portion 31 and the downstream side support portion 62) on the transport path. The illustrated product conveying device 8 includes a linear actuator (sixth linear actuator) 81 having a horizontally movable main slider 81a and a horizontally movable auxiliary slider 82a. Actuator (seventh linear actuator) 82, and a linear actuator (eighth linear actuator) provided with vertically movable elevating slider 83a provided in product conveying device 8 of the first embodiment. ) 83 does not. Therefore, the first chuck member 85 is attached to the secondary slider 82 a and the second chuck member 86 is attached to the stationary side of the linear motion actuator 82 . However, it goes without saying that the eighth direct-acting actuator 83 can be provided in the product conveying device 8 according to the second embodiment.

Dust removal work by the dust removal packaging apparatus 1 having such a configuration is performed as follows.

First, when the piled products 2 are put into the upstream side support portion 31 of the dust remover 3, the product is placed above the planned throwing position of the piled products 2 in the upstream side support portion 31 as indicated by the solid line in FIG. (The main slider 81a of the linear motion actuator 81 constituting the conveying device 8) is kept on standby. At this time, the first chuck member 85 and the second chuck member 86 provided in the product conveying device 8 interfere with the upstream and downstream ends of the accumulated products 2 loaded and supported by the upstream support section 31, respectively. To prevent this, the first chuck member 85 is arranged upstream of the upstream end of the stacked products 2 to be loaded, and the second chuck member 86 is located downstream of the downstream end of the stacked products 2 to be loaded. place it on the side. Therefore, when the stacked products 2 are put into and supported by the upstream support portion 31, the stacked products 2 are placed between the chuck members 85 and 86, and move along the stacking direction together with the main slider 81a and the linear motion actuator 82. Can move horizontally.

After the piled products 2 are loaded and supported by the upstream side support portion 31, the rotary drive source 81b of the linear motion actuator 81 is driven to horizontally move the main slider 81a downstream. At this time, as shown in FIG. 20, the distance between both chuck members 85 and 86 is made larger than the length L of the stacked products 2 in the stacking direction (see FIG. 19). As a result, when the main slider 81a horizontally moves downstream and the stack of products 2 passes through the opposing area (directly below) of the nozzle 322, air is blown against the stack of products 2. is divided into two at the boundary just below the nozzle 322, one is pushed into the first chuck member 85 side and the other is pushed into the second chuck member 86 side. Thereby, a gap C is formed between the products 2a immediately below the nozzle 322. As shown in FIG. The air flowing through the gap C removes dust and foreign matter adhering to the product 2a.

Since the gap C between the products 2a is formed directly below the nozzle 322, the position of the gap C moves little by little as the main slider 81a moves. When the downstream movement of the main slider 81a progresses and the upstream end of the stacked products 2 (the product 2a positioned most upstream) is positioned downstream of the nozzle 322, the entire stacked products 2 move toward the second chuck. It is pressed against member 86 . After that, when the moving direction of the main slider 81a is reversed (moving the main slider 81a to the upstream side) as necessary, the product 2a directly below the nozzle 322 among the accumulated products 2 interposed between the chuck members 85 and 86 is moved. A gap C is formed and the gap C moves gradually. Then, when the downstream end of the stacked product 2 (the product 2 a positioned furthest downstream) is positioned upstream of the nozzle 322 , the entire stacked product 2 is pressed against the first chuck member 85 . The number of passages of the accumulated products 2 through the area facing the nozzle 322 by the product conveying device 8 can be set arbitrarily.

When the dust removal operation for the stacked products 2 is completed, the actuator 82 is driven to move the sub-slider 82a and the first chuck member 85 attached thereto toward the second chuck member 86, thereby moving the stacked products 2 to both sides. It is sandwiched between chuck members 85 and 86 . After that, by driving the direct acting actuator 81 to move the main slider 81a downstream, both the chuck members 85 and 86 and the stacked products 2 gripped by the chuck members 85 and 86 are conveyed downstream. As indicated by 22, the stacked product 2 is placed on the downstream side support portion 62 (see also the chain double-dashed line in FIG. 19).

When reciprocating the product conveying device 8 between the dust remover 3 (upstream side support portion 31) and the packaging device 6 (downstream side support portion 62), the first chuck member provided in the product conveying device 8 85 and the second chuck member 86 overlap the nozzle member 32 on a plane orthogonal to the stacking direction (see FIG. 20). Here, as shown in FIG. 21, the nozzle member 32 and the chuck members 85 and 86 interfere with each other by devising the shapes of the nozzle member 32 and the chuck members 85 and 86 (especially the chuck members 85 and 86). to prevent

Although illustration is omitted, after the piled products 2 are placed on the downstream support portion 62, the piled products 2 are packaged in the same manner as in the first embodiment described above. After the stacked products 2 drop due to the downstream side support portion 62 switching from the supported state to the non-supported state, the product conveying device 8 returns to the origin (above the position where the stacked products 2 are scheduled to be loaded in the upstream side support portion 31). It returns and receives the accumulated product 2 that is next thrown into the upstream side support section 31 .

In the dust-removing packaging apparatus 1 according to the second embodiment described above, the nozzle member 32 is fixed at a predetermined position on the conveying path of the stacked products 2, and the product conveying apparatus 8 moves along the stacking direction on the conveying path. When the accumulated products 2 conveyed by the nozzle member 32 (nozzle 322) pass directly under the nozzle member 32 (nozzle 322), dust removal air is blown against the accumulated products 2, thereby removing the dust and foreign matter adhering to the individual products 2a. is removed. In this case, as shown in FIG. 19, in addition to the nozzle transfer device 38 for moving the nozzle member 32 provided in the dust removal packaging device 1 (see FIG. 2 etc.) according to the first embodiment, a pair of stoppers 39, 40, and the linear motion actuator (third linear motion actuator) 41 for moving the upstream stopper 39 in the stacking direction can be omitted. As a result, the dust removing device 3 and, in turn, the dust removing packaging device 1 can be greatly simplified and miniaturized, and the cycle time required for the dust removal and packaging operations of the piled product 2 can be shortened.

As shown in FIG. 22, the packaging device 6 of the dust-removing packaging device 1 of the second embodiment includes a roll support portion 71 that supports the sheet roll 50 so as to be rotatable about its axis, and a resin feeder that is fed out from the sheet roll 50. A sheet supply mechanism 70 including guide rollers 72 , 73 , and 74 as guide members for guiding and moving the sheet 51 (sheet material 5 ) toward the sheet holding portion 61 is provided. The sheet supply mechanism 70 is a unit in which the roll support portion 71 and the guide rollers 72, 73, 74, etc. are integrally movable up and down. Moves up and down between two positions: a raised position where (the axis of) the roll support part 71 is located above the sheet holding part 61 and a lowered position where the axis of the roll support part 71 is located below the sheet holding part 61 Moving.

In this case, if the sheet supply mechanism 70 is positioned at the lowered position, the sheet roll 50 can be replaced (for example, the core of the empty sheet roll 50 can be removed from the roll support portion 71, and a new sheet roll 50 can be replaced). to the roll support portion 71) can be easily and quickly performed, and if the sheet supply mechanism 70 is positioned at the raised position after the completion of the replacement work, the presence of the sheet roll 50 can be detected around the dust removing packaging apparatus 1. It is possible to avoid obstacles in enabling workers to smoothly perform various operations.

As shown in FIG. 22, the sheet supply mechanism 70 in the second embodiment is located at a position different from that of the sheet supply mechanism 70 (see FIG. 1) provided in the dust removal packaging apparatus 1 according to the first embodiment. is provided on the opposite side of the packaging device 6 across the downstream support section 62 , that is, on the product loading area side where the work of loading the stacked products 2 into the upstream support section 31 of the dust remover 3 is performed. Although not shown, an operation panel (operation switch) for vertically moving the sheet supply mechanism 70 is also provided at a predetermined position on the side of the product loading area.

If the sheet supply mechanism 70 and its operation switch are provided in the manner described above, when it becomes necessary to replace the sheet roll 50 or to correct the failure of the resin sheet 51 to be delivered, for example, the above-described product loading operation can be performed. A worker engaged in the work of putting stacked products 2 into the upstream support portion 31 in the area can perform the work of replacing the sheet roll 50 and the above corrective work without significantly changing the work position. On the other hand, if the sheet supply mechanism 70 is provided at the position shown in FIG. 6) requires longer downtime due to the need to move around. Therefore, the dust-removing packaging apparatus 1 of the second embodiment also has the advantage of being able to reduce the downtime associated with the sheet rolls 50 and improve the operating rate of the apparatus. Therefore, it is preferable to employ the sheet feeding mechanism 70 provided in the dust-removing packaging apparatus 1 according to the second embodiment also in the dust-removing packaging apparatus 1 according to the first embodiment.

Although the dust-removing packaging device 1 according to the first and second embodiments of the present invention has been described above, the dust-removing packaging device 1 can be modified further.

For example, the pair of seal portions 67 provided in the packaging device 6 can be provided movably along the stacking direction. Specifically, the vertical seal portion 67a is arranged upstream or downstream of the free end 53 (upstream end) of the sheet material 5 hanging down from the sheet holding portion 61. Preferably, 67 is provided movably along the stacking direction.

If the sheet members 5 are heat-sealed by the seal portion 67 while the vertical seal portion 67a is arranged downstream of the free end 53 of the sheet member 5, the free end 53 of the sheet member 5 can be removed as described above. A hermetically sealed package 21 that is heat-sealed together is obtained. On the other hand, if the sheet members 5 are heat-sealed by the seal portion 67 while the vertical seal portion 67a is arranged upstream of the free ends 53 of the sheet members 5, the free ends 53 of the sheet members 5 are heated. Since it is no longer welded, a package with an open end (one side) on the upstream side can be obtained. A package with one side open is superior in taking out the stacked products 2 compared to a sealed package 21 (see FIG. 16, etc.). It is useful when alignment is required.

[Reference example]
As a reference example, another configuration example of the dust-removing packaging apparatus will be briefly described below with reference to FIGS. 23 and 24. FIG. 23 is a plan view of a dust-removing packaging apparatus according to another configuration example, and FIG. 24 is a side view (partially cross-sectional view) seen from the direction of arrow A in FIG.

In the dust-removing packaging apparatus 1 according to the first and second embodiments of the present invention described above, the dust-removing apparatus 3 and the packaging apparatus 6 are coaxially arranged, and the accumulated products 2 are dust-removed only by the linear motion of the product conveying apparatus 8. In the reference example shown in FIGS. 23 and 24, the dust removing device 103 and the packaging device 106 are arranged non-coaxially, and the stacked products 2 are transported through a plurality of transport mechanisms. It is conveyed from the dust removal device 103 to the packaging device 106 .

The dust remover 103 in the reference example has an upstream support portion 131 and a nozzle member 132, like the dust remover 3 of the first and second embodiments. Dust and foreign matter removed by the nozzle member 132 are collected by a vacuum device 136 . The upstream support portion 131 has a stationary support portion 131a and a swingable movable support portion 131b.

Stacked products 2 after dust removal is carried to packing device 106 by product carrying device 108 . The product conveying device 108 has a conveyor 108a and a pusher 108b. After dust removal is completed, the movable support portion 131b swings to a horizontal position, whereby the stacked products 102 are transferred onto the conveyor 108a, and are transported by the conveyor 108a in a direction perpendicular to the stacking direction (horizontal direction in FIG. 23), It is placed on the table 110 . The stacked product 102 on the table 110 is accommodated in the space between the sheet materials (not shown) through the opening on the free end side of the resin sheet folded in two, and then moved on the table 110 in the stacking direction by the pusher 108b. It slides and is conveyed between seal portions 167 which are vertically spaced apart from each other. After that, the upper sealing portion 167 is lowered to weld and cut the opposing sheet materials, thereby obtaining a package in which the accumulated products 102 are packaged.

In the configuration of this reference example, the packaging device 106 cannot be arranged directly below the nozzle transfer mechanism 138 shown in FIG. Therefore, it is necessary to convey the dust-removed accumulated product 102 to a position beyond the nozzle transfer mechanism 138 by the conveyor 108a. Therefore, as is clear from a comparison of the plan views of FIGS. 1 and 23, the dust-removing packaging apparatus 101 of the reference example is larger than the dust-removing packaging apparatuses 1 of the first and second embodiments of the present invention.

In addition, since the stacked product 102 after dust removal is laid flat on the table 110 (the surface of the stacked product is placed in surface contact with the conveyor 108a and the mounting table 110), the table 110 is placed so that the stacked product 102 does not collapse. It is necessary to place guide plates 111 on which both sides of the stack 102 are restrained. However, since it is necessary to change the position of the guide plate 111 according to the size of the stacked product 102, a mechanism for adjusting the position of the guide plate 111 is required.

From these points, in the configuration of the reference example, there is a problem that the size of the dust removal packaging apparatus is increased compared to the embodiment of the present invention. In addition, since the stacked products 2 are transferred to the packaging device 106 via a plurality of transfer mechanisms 108a and 108b, there is a problem in that the cycle time increases. In contrast, with the dust-removing packaging device 1 of the present embodiment, it is possible to reduce the size and shorten the cycle time.

1 Dust removal packaging device 2 Accumulated product 2a Product 3 Dust removal device 6 Packaging device 8 Product conveying device 31 Upstream support section 32 Nozzle member 61 Sheet holding section 62 Downstream support section 63 Switching mechanism 67 Sealing section 70 Sheet supply mechanism 85 First chuck Member 86 second chuck member

Claims (6)

A dust remover, a packaging device, and a product conveying device for conveying accumulated products from the dust remover to the packaging device,
The dust remover includes an upstream support portion that supports the stacked products, and air is supplied to the stacked products while moving relative to the stacked products along the stacking direction of the stacked products supported by the upstream side support portion. and a nozzle member for spraying,
The packaging device comprises: a sheet holding section that holds packaging sheet materials facing each other in a horizontal direction orthogonal to the stacking direction; and a downstream side capable of supporting the stacked product between the facing sheet materials. A support section and a switching mechanism for switching the downstream side support section between a supported state of supporting the stacked products and a non-supported state of dropping the stacked products, disposed below the downstream side support section and facing each other. a sealing portion for heat-sealing the facing sheet materials around the stacked products in a state where the stacked products are arranged between the sheet materials;
A dust-removing packaging apparatus, wherein the product conveying device moves the stacked products along the stacking direction and conveys the stacked products from the upstream side support section to the downstream side support section. 2. A dust remover according to claim 1, wherein said upstream side support portion and said downstream side support portion respectively support two peripheral edge portions of said stacked products inclined in mutually opposite directions when said stacked products are viewed from said stacking direction. packaging equipment. 3. The dust-removing packaging apparatus according to claim 1, wherein the nozzle member blows air onto the stacked products supported by the upstream support portion while moving along the stacking direction. 3. The dust remover according to claim 1, wherein said nozzle member is fixed on a conveying path of said accumulated products conveyed by said product conveying device, and blows air onto said accumulated products being conveyed along said accumulation direction. packaging equipment. The dust-removing packaging apparatus according to any one of claims 1 to 4 , wherein the product conveying device grips and conveys the stacked products from both ends in the stacking direction. The packaging device includes a roll support section that supports a sheet roll rotatably about its axis, and a guide member that guides and moves the sheet material fed from the sheet roll toward the sheet holding section. Equipped with a mechanism,
The sheet supply mechanism is capable of moving up and down between two positions: a raised position where the roll support portion is located above the sheet holding portion, and a lowered position where the roll support portion is located below the sheet holding portion. The dust-removing packaging device according to any one of claims 1 to 5 .

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