JP6208585B2 - Box making system - Google Patents

Description

  The present invention relates to a system for making a box of a type in which an opening flap extending from an upper lid is bonded on a side surface, and more particularly, to a box making system that reduces the device configuration and realizes space saving.

  2. Description of the Related Art Conventionally, there is a type of box that lifts a side opening flap and opens an upper lid like a confectionery box. The state of the line for making such a box is shown in FIG. First, contents such as confectionery are dropped from above into a semi-molded box with an upper lid opened upstream of the first conveyor. Next, as shown in the figure, the upper lid is closed, and the side flaps of the upper lid are glued, bent, and sealed together. At this time, the opening flap is horizontally stretched as it is. In addition, due to box-making restrictions, the semi-molded box is transported downstream with its upstream side surface and downstream side surface sandwiched between posture holding plates standing on the first conveyor.

  The downstream posture holding plate escapes at the end of the first conveyor, and the upstream posture holding plate is tilted. Sandwiches the side of the box parallel to the transfer direction, and quickly transfers the box to the second conveyor.

  In the second conveyor, the suction rotating device waiting in the sky rotates the box 90 degrees around the vertical axis, remounts it, and transports the box downstream. As a result, the opening flap can be directed to the outside of the line, and paste and flap folding (sealing) are performed by a general-purpose device. The second conveyor is designed so that the posture of the box is held by the posture holding plate in the same manner as the first conveyor, and positioning such as glue driving is facilitated.

  Even at the downstream end of the second conveyor, a second extraction belt is provided so that the box is not damaged by the posture holding plate, and the box is quickly transferred to the third conveyor.

  Thus, conventionally, by using the suction rotation device in the middle, a simple box making using a general-purpose device or a general-purpose mechanism for the opening flap was possible.

However, the conventional technique has the following problems.
This type of conventional box making line requires the first, second, and third conveyors, and the first and second extraction belts between them, and there are many device configurations and the drive control is likely to be complicated. There was a problem. In addition, there is a problem that the line length becomes long.

  In addition to the configuration described above, there are many box stackers, box feeding devices, hoppers for contents such as confectionery, downstream mechanisms, and the like. In recent years, there has been a strong demand for space saving and shortening of the lines of each device. In fact, in such a box factory and boxing factory, the site area cannot be changed, and there are a wide variety of boxes to be handled. It has become.

JP-A-2005-145558 JP2013-47123A WO2008 / 032801

  The present invention has been made in view of the above and relates to a box of a type in which an opening flap is provided on a side surface and an upper lid is opened, and a general-purpose flap folding mechanism can be used, and a device configuration is small and drive control is easy. An object of the present invention is to provide a space-saving box making system with a short line length.

  It is another object of the present invention to provide a space-saving box arrangement device that can shorten the line length including the upstream and downstream transfer spaces while making it possible to use a general-purpose flap bending mechanism.

  In the box making system according to claim 1, only the opening flap connected to the upper lid is stretched without being folded, and a semi-molded box in which the folding line of the flap is oriented in a direction perpendicular to the transfer direction is transferred. A box making system including a conveyor and a second conveyor for transferring a molding box with an opening flap folded, the box making system disposed between the first conveyor and the second conveyor; A mounting table to which the box is moved downstream by being pushed, and an upstream regulating body and a downstream regulating body that extend downward from the mounting table at a predetermined interval in the transport direction and abut against the upstream side surfaces of the two boxes, respectively. An adsorbing rotation means located upstream of the upstream restricting body in the transfer direction so that the most downstream box on the first conveyor is adsorbed from above the first conveyor so that the broken line faces in the transfer direction. 90 around the vertical axis An adsorption rotating means for rotating the box and releasing the adsorption after the transfer, an axis of the adsorption rotating means, an upstream regulating body, a holding body for holding the downstream regulating body together, and a horizontal movement of the holding body to the downstream side in the transfer direction , While the box sucked and rotated by the suction rotating means is transported to the position of the box immediately downstream of the upstream regulator before the horizontal movement, the box immediately downstream of the upstream regulator is downstream regulated before the horizontal movement. Push the box that was closest to the downstream of the downstream regulating body onto the second conveyor and move it to the position of the box that was closest to the downstream of the body, and then pull the holding body upward and move it upstream in the transfer direction. Next, the suction rotation means is placed on the uppermost downstream box that has been transported next on the first conveyor, and the upstream regulator is placed immediately upstream of the upstream side surface of the box that has just been transported by the suction rotation means. Upstream of boxes transported by regulatory bodies Control means for lowering the holding body again so that the downstream restricting body is positioned in the immediate vicinity of the side surface, and performing control that repeats horizontal movement, extraction, upstream movement, and lowering of the holding body, and the side edge of the mounting table And flap folding means for folding the opening flap.

  That is, according to the first aspect of the present invention, the transfer conveyor, which has been a driving system in the past, is used as a mounting table that is a non-driving system by means of a progressive mechanism integrated with the suction rotating means. The two extraction belts can be omitted upstream, so that a general-purpose flap folding mechanism can be used, while the device configuration is small, drive control is easy, and the line length is short and the space-saving box making system Can be provided.

  The restricting body is preferably a plate body that comes into surface contact with the box from the viewpoint of transport stability, but the two rod bodies may be brought into line contact with each other to exhibit an equivalent function. Further, the holding body and the regulating body may be integrated, and may be formed in an F shape as viewed from the side, that is, in the fold line direction of the opening flap. There are no particular limitations on the location of the glue for opening the flap. For example, it may be hit on the first conveyor, but when using a general-purpose glue cutter, the upstream side close to the flap folding means It is preferable to be located at. Further, the flap folding means is not particularly limited, and may be a drive system in which the ironing board descends from above. Further, the upper flap folding guide using the oblique side as disclosed in Japanese Patent Application Laid-Open No. 2010-179951 by the present applicant. Thus, a non-driving system may be used. Since the box is picked up by suction, the structure is simpler than the mechanism for picking up the box with an arm or the like, and the control becomes easy. Since the control means returns periodically, it can also be called cycle driving means.

  The box making system according to claim 2 is the box making system according to claim 1, wherein the first conveyor is provided with a posture holding body that is in contact with the upstream side surface of the semi-molded box and holds the transfer posture. It is an endless conveyor, and the control means controls the horizontal movement speed of the holding body so that the box is not scratched when the posture holding body is inclined downstream at the end of the conveyor. To do.

  That is, the invention according to claim 2 can provide a box making system that can transfer a box without interfering with the posture holding body while making the first conveyor a general-purpose device, and does not impair the box quality.

  It should be noted that the horizontal movement speed is not necessarily accompanied by gradual, and the horizontal movement speed can be made constant by adjusting the height or width of the posture holding body, the conveyor speed, or the like. Further, the posture holding plate means that it is at least on the upstream side surface of the semi-molded box, and does not prevent the posture holding body that is in contact with the downstream side surface and holds the transfer posture from standing.

  The box making system according to claim 3 is the box making system according to claim 1 or 2, wherein the upstream regulating body pushes the box by the next horizontal movement from the position of the box released by the suction rotating means. In the middle of the road, there is provided a gluing means for performing gluing for sealing the opening flap, and the flap folding means is arranged downstream of the gluing means.

  That is, the invention according to claim 3 can provide a space-saving box making system with a short device length and a small device configuration while using an existing line substantially and having a simple device control. Specifically, the two extraction belts and the intermediate conveyor as described in the prior art can be replaced with a mounting table and a progressive mechanism, thereby realizing a short line and space saving.

  The box arrangement device according to claim 4 is a box arrangement device arranged between the upstream first conveyor and the downstream second conveyor, and the boxes are placed and pushed to transfer the boxes downstream. An upstream regulation body, two regulation bodies comprising an upstream regulation body and a downstream regulation body that extend downward from above the placement table at a predetermined interval in the transfer direction and abut against the upstream side surfaces of the two boxes, respectively. Lifting and rotating means located on the upstream side in the transfer direction from the body, lifting the most downstream box on the first conveyor from the top of the first conveyor, rotating the box 90 degrees around the vertical axis, and placing it on the mounting table after transfer The holding rotation means, the shaft of the lifting rotation means, the upstream regulating body, and the holding body holding the downstream regulating body together, and the holding body is moved horizontally downstream in the transfer direction by the lifting rotation means Upstream regulation of lifted and rotated boxes before horizontal movement The box that was closest to the downstream of the upstream regulator is moved to the position of the box that was closest to the downstream of the downstream regulator before the horizontal movement, and is moved immediately to the downstream of the downstream regulator. Each box was pushed and transferred onto the second conveyor, then the holding body was pulled up and moved upstream in the transfer direction, and then the most downstream box transferred next on the first conveyor The upper rotating body is located immediately above the upstream side surface of the box transferred by the lifting rotating means immediately before the upstream rotating body, and the downstream regulating body is positioned immediately adjacent to the upstream side surface of the box transferred by the upstream restricting body. However, it is characterized by comprising control means for performing control for lowering the holding body again so as to be positioned and repeating the horizontal movement of the holding body, extraction, upstream movement, and lowering.

  That is, the invention according to claim 4 is a line for rotating the box 90 degrees or 180 degrees and folding the flap protruding from the mounting table, even if the opening flap is provided on the side and the upper lid is opened. This makes it possible to provide a space-saving box arrangement device that can reduce the line length including upstream and downstream transfer spaces. For example, it can be used for making a box that is a cylindrical box with the flaps at both ends extended as it is.

  According to the present invention, a general-purpose flap folding mechanism can be used for a type of box that is provided with an opening flap on the side surface and opens an upper lid, while the device configuration is small, drive control is easy, and the line length is short. A space boxing system can be provided (claims 1, 2 and 3).

  In addition, a general-purpose flap bending mechanism can be used, and a space-saving box arrangement device that can shorten the line length including the cylinder and upstream and downstream transfer spaces can be provided.

It is a schematic diagram of the box making system of the present invention. It is the schematic diagram which showed the mode of folding of the rotation of a box, pasting, and the flap for opening. It is explanatory drawing which showed the mode of the progressive feeding of the box of the box making system of this invention. It is explanatory drawing which showed the mode of the box forward feeding following FIG. 3-1. 3A and 3B do not have the same time interval. Specifically, FIGS. 3-1 (b) to 3-2 (e) show quick movements. It is the schematic which showed the mode of the conventional box-making line.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a line side view of the box making system of the present invention. FIG. 2 is a schematic diagram showing the state of rotation of the box, glue application, and folding of the opening flap. FIGS. 3-1 and FIGS. 3-2 are explanatory drawings showing the state of progressive feeding of boxes in the box making system of the present invention.

  The box making system 1 is largely composed of an intermediate line 100, an upstream first conveyor 200 sandwiching the intermediate line 100, and a downstream second conveyor 300, and box B is made. Here, description will be made assuming that the box-making speed is 60 boxes per minute.

  The first conveyor 200 is upstream of the intermediate line 100, and the box B is transferred by the endless belt 201, the posture holding plate 202 erected from the endless belt 201, and the driving roller 203. Box B is semi-molded by a box making mechanism (not shown) upstream of the conveyor. That is, the upper lid Bt and the two side flaps sf connected to the upper lid Bt and the opening flap of are left, the other side flaps are folded and bonded, and the upper surface is opened, and is sandwiched between the posture holding plates 202. In this state, it is transferred downstream.

  Next, the contents are dropped by a contents dropping mechanism (not shown). Then, the upper lid Bt is folded horizontally and the side flaps sf are folded and bonded. During this time, the posture holding plate 202 is brought into contact with the upstream side surface and the downstream side surface of the box B to maintain the posture, and the box B is transferred to the downstream side of the endless belt 201 while assisting the folding of the flaps.

  Originating from the structure of the upstream box making mechanism, the box B has a direction in which the fold line b of the side flap sf is orthogonal to the transfer direction, in other words, the side flap sf is in the reverse direction of the transfer direction (in the transfer direction depending on the mode of use). It is transported in a state of being stretched horizontally.

  At the downstream end of the first conveyor 200, first, the downstream posture holding plate 202 that has been in contact with the box B starts to reverse and moves away from the box B according to the driving roller 203. Subsequently, the upstream posture holding plate 202 gradually falls to the downstream side.

  Since the box making speed is high to some extent, if the posture holding plate 202 scratches the side surface of the box B at this time, the box quality is poor and the box is returned from the delivery destination. Therefore, in order to prevent the box B from being scratched by the upstream posture holding plate 202, the box B is sucked and quickly transferred to the intermediate line 100 as described below.

  The intermediate line 100 is located between the upstream first conveyor 200 and the downstream second conveyor 300, and mainly includes a mounting table 101, a progressive mechanism 102, a glue gun 103, and a flap folding machine 104. The configuration is as follows. The intermediate line 100 adsorbs the box B and quickly moves it from the first conveyor 200. Further, the intermediate line 100 redirects the opening flap of to the outside of the line and seals it, and sequentially transfers it downstream.

  The mounting table 101 is a smooth flat plate having the same height as the endless belt 201 of the first conveyor 200 and the endless belt 301 of the second conveyor 300, and does not include a driving mechanism. The box B is sequentially fed by the progressive mechanism 102 and is transferred on the mounting table 101.

  The progressive mechanism 102 includes a base 121, a suction rotation unit 150 attached below the base 121, a first regulation plate 122 and a second regulation plate 123 extending downward from the base 121, and a driving unit. It is driven by 124.

  As shown in the figure, the suction rotation unit 150, the first regulating plate 122, and the second regulating plate 123 are attached to the base 121 in this order from the upstream side, and when viewed from the side, the base 121, the first regulating plate 122, The second regulating plate 123 has an F shape.

  The suction rotation unit 150 includes a suction cup 151 and a rotation shaft 152. The suction cup 151 sucks the upper lid Bt to slightly lift the box B from the mounting surface, and the rotation shaft 152 lifts the box B around the vertical axis. Rotate 90 degrees. Further, the suction cup 151 is released from the suction after the base body 121 is moved horizontally, and the box B is placed on the mounting table 101.

  The drive unit 124 causes the base 121 to revolve in the following order: horizontal movement to the downstream side → lift → horizontal movement to the upstream side → descent → horizontal movement to the downstream side. By this driving, the boxes B are sequentially fed. The sequential feeding operation will be described later.

  The glue gun 103 is provided on one side of the mounting table 101, and immediately after the box B is mounted on the mounting table 101 by being rotated by the suction cup 151, glue is applied to the side surface of the box that becomes the sealing position of the opening flap of. strike. As the glue gun 103, a general-purpose device can be used, and there is no particular limitation as long as the glue gun 103 can inject glue to a predetermined position.

  The flap folding machine 104 operates such that the tongue piece 141 extending vertically downward is slid in a circle from above the opening flap of, and the opening flap of is folded from the folding line b. As a result, the opening flap of is glued to the side surface.

  The second conveyor 300 is arranged downstream of the intermediate line 100 and transfers the box B by the endless belt 301 and the driving roller 303. Although a mechanism downstream of the second conveyor 300 is not illustrated, for example, a mechanism for packing the box B into a wholesale large box is appropriately installed. In addition, you may make it provide an attitude | position holding board similarly to the 1st conveyor 200 by the aspect of use.

  Next, driving of the progressive mechanism 102, that is, the state of progressive feeding of the box B will be described. Here, for convenience of explanation, the box B on the first conveyor 200 is set as boxes B1 and B2 in the downstream direction, and the box B on the intermediate line 100 is set as B3 and B4 in the downstream direction.

  As shown in FIG. 3, in the first conveyor 200, the boxes B aligned at a constant interval by the posture holding plate 202 are transferred at a constant speed. The position of the progressive mechanism 102 before the downstream posture holding plate 202 escapes and the upstream posture holding plate 202 falls (becomes the drive roller 203) is set as the initial position (FIG. 3). 1 (a)).

Progression is performed as follows.
(1) First, at the initial position, the suction cup 151 sucks the upper lid Bt of the box B2, and lifts the box B2 from the endless belt 201.
(2) Immediately after the box B2 is lifted, the drive unit 124 horizontally moves the base 121 to the downstream side. At the same time, the rotating shaft 152 rotates 90 degrees, and the opening flap of is directed toward the glue gun 103 (the fold line b of the box B2 is directed in the transfer direction). By the horizontal movement of the base 121, the first regulating plate 122 pushes the box B3 to the position of the box B4 at the initial position, and the second regulating plate 123 pushes the box B4 onto the second conveyor 300 (FIG. 3-1 b)).
Further, immediately after the horizontal movement is finished, the suction cup 151 releases the suction of the box B2.
(3) The drive unit 124 raises the base 121 to a height at which the first restricting plate 122 and the second restricting plate 123 do not interfere with each box B (FIG. 3C). At this time, the operation may be performed such that the base plate 121 is pulled slightly upward so that the regulating plate does not rub the side surface of the box B.
(4) The drive unit 124 horizontally moves the base 121 to the upstream side and returns to the sky above the initial position (FIG. 3-2 (d)).
(5) The drive unit 124 lowers the base 121 and returns to the initial position (FIG. 3-2 (e)). At this time, the box B1 is a box on the most downstream side of the first conveyor 200, and has been transferred to a position substantially the same as the box B2 in the previous initial position. Further, the first restriction plate 122 is inserted in the immediate vicinity of the upstream of the box B2, and the second restriction plate 123 is inserted in the immediate vicinity of the upstream of the box B3.
(6) When the box B1 reaches the same position as the box B2 in the previous initial position, the operation from the above (1) is repeated again, and the box B is sequentially fed downstream.

  The glue gun 103 strikes while the box B that has been desorbed in the previous cycle is horizontally moved in the stage (2), and the base 121 is moved to the position after the horizontal movement. During the reciprocating movement, that is, before the next horizontal movement of (2) is performed, the flap folding machine 104 folds and seals the opening flap of.

  Further, the driving of the progressive mechanism 102 may be started by detecting, for example, that the box B has reached the predetermined position on the most downstream side of the first conveyor 200 with a sensor, but is simply steady at regular time intervals. Alternatively, the timing may be determined by performing each operation.

  As described above, in the box making system 1, in the intermediate line 100, the suction rotation unit 150 completely transfers the box B without scratching, and the progressive mechanism 102 integrated with the suction rotation unit 150 performs the forward feed. Since it also serves as a transfer plate, the conventional upstream and downstream sampling belts are unnecessary, and the static mounting table 101 that does not require a driving mechanism can be adopted, and the line length can be shortened (the first conveyor 200 and the first conveyor 200). The space between the second conveyors 300 can be packed). In addition, since the driving unit for the mounting table is not required, the apparatus configuration is less than that of the conventional apparatus, and the drive control can be simplified. Of course, the glue gun 103 and the flap folding machine 104 to be provided beside the line can be used as they are without specialization (the line can be rearranged and the line can be made compact with a minimum investment). In addition, the progressive feeding mechanism 102 can simplify the pasting and positioning of the unfolding flap of. As a secondary matter, the line length can be reduced by the height of the restriction plate as compared with the conventional endless conveyor with restriction plate in the intermediate line portion.

  The present invention is not limited to the above example. For example, the first conveyor 200 is not limited to the mode of transferring the box B at a constant speed, and may be intermittently driven. Further, the flap folding machine 104 is not limited to a mode in which the tongue piece 141 is lowered, and is a guide having a hypotenuse that descends obliquely downward with respect to the transport direction, and the opening flap of comes into contact with the hypotenuse with the transport. You may make it fold naturally.

  The design of the intermediate line 100, in particular the progressive mechanism 102 and the static mounting table 101, is not limited to the box with the opening flap as described above. That is, it can also be used as a box placement device that receives a box from the upstream, rotates 90 degrees or 180 degrees around the vertical axis, forwards it downstream at regular intervals, and delivers it downstream.

  In this case, instead of the suction cup 151, lifting means such as an arm may be adopted. This is because some boxes are not suitable for adsorption.

DESCRIPTION OF SYMBOLS 1 Box making system 100 Intermediate line 101 Placement table 102 Progressive mechanism 103 Glue gun 104 Flap folding machine 121 Base body 122 1st control plate 123 2nd control plate 124 Drive part 141 Tongue piece 150 Suction rotation part 151 Suction cup 152 Rotating shaft 200 first conveyor 201 endless belt 202 posture holding plate 203 driving roller 300 second conveyor 301 endless belt 303 driving roller B box b fold line Bt upper lid of opening flap sf side flap

Claims (4)

Only the opening flap connected to the upper lid is stretched without being folded, and the first conveyor for transferring the semi-molded box in which the folding line of the flap is oriented in the direction perpendicular to the transfer direction, and the opening flap is folded. A box making system including a second conveyor for transferring the formed box,
Placed between the first conveyor and the second conveyor, a box is placed, and a stage on which the box is pushed and transferred downstream;
Two regulating bodies consisting of an upstream regulating body and a downstream regulating body, which extend downward from the mounting table at a predetermined interval in the transfer direction and are brought into contact with the upstream side surfaces of the two boxes, and
A suction rotating means located upstream in the transfer direction from the upstream regulator, and a 90 degree box centering on the vertical so that the most downstream box on the conveyor is sucked from above the first conveyor and the broken line faces in the transfer direction An adsorption rotation means for releasing the adsorption after the transfer,
A holding body that integrally holds the shaft of the suction rotation means, the upstream regulating body, and the downstream regulating body;
The holding body is moved horizontally downstream in the transfer direction, and the box sucked and rotated by the suction rotating means is transferred to the position of the box that was immediately downstream of the upstream restricting body before the horizontal movement, while the downstream closest to the upstream restricting body. To the position of the box that was immediately downstream of the downstream regulator before the horizontal movement, and the box that was closest to the downstream of the downstream regulator to the second conveyor, respectively,
Next, the holding body is pulled up and moved upstream in the transfer direction,
Next, the suction rotation means on the upper lid of the most downstream box that has been transferred next on the first conveyor, the upstream regulating body is located immediately upstream of the upstream side of the box that has been transferred by the suction rotation means immediately before, and the upstream restriction The holding body is lowered again so that the downstream regulating bodies are positioned in the immediate vicinity of the upstream side surface of the box transferred by the body, and the holding body is horizontally moved, pulled up, moved upstream, and repeatedly lowered. Control means;
Flap folding means arranged on the side edge of the mounting table and folding the opening flap;
A box making system characterized by comprising: The first conveyor is an endless conveyor in which a posture holding body that is in contact with the upstream side surface of the semi-molded box and holds the transfer posture is erected,
The control means controls the horizontal movement speed of the holding body so that the box is not scratched when the posture holding body is tilted downstream at the end of the conveyor when it is turned back. Box making system. In the middle of the path where the upstream regulating body pushes the box in the next horizontal movement from the position of the box where the suction rotating means has released the suction, there is provided a glue punching means that performs glueing to seal the opening flap,
The box making system according to claim 1 or 2, wherein the flap folding means is arranged downstream of the glue hitting means. A box arrangement device arranged between an upstream first conveyor and a downstream second conveyor,
A mounting table on which the box is placed and pushed to move the box downstream;
Two regulating bodies consisting of an upstream regulating body and a downstream regulating body, which extend downward from the mounting table at a predetermined interval in the transfer direction and are brought into contact with the upstream side surfaces of the two boxes, and
Lifting and rotating means located on the upstream side in the transfer direction from the upstream regulating body, lifting the most downstream box on the conveyor from the sky above the first conveyor, rotating the box 90 degrees or 180 degrees around the vertical axis, after the transfer Lifting rotation means for mounting on the mounting table;
A holding body that integrally holds the shaft of the lifting rotation means, the upstream regulating body, and the downstream regulating body;
The holding body is moved horizontally downstream in the transfer direction, and the box lifted and rotated by the lifting and rotating means is moved to the position of the box immediately downstream of the upstream restriction body before the horizontal movement, while the downstream of the upstream restriction body. The box that was closest to the downstream of the downstream regulator before the horizontal movement is pushed to the position of the box that was closest to the downstream of the downstream regulator, and the box that was closest to the downstream of the downstream regulator is pushed onto the second conveyor and transferred.
Next, the holder is pulled up and moved upstream in the transfer direction,
Next, the lifting rotation means is placed above the most downstream box transferred next on the first conveyor, and the upstream regulator is placed immediately before the upstream side surface of the box transferred by the lifting rotation means immediately before. Control that lowers the holding body again so that the downstream regulating body is positioned in the immediate vicinity of the upstream side surface of the box transferred by the upstream regulating body, and repeats horizontal movement, lifting, upstream movement, and lowering of the holding body. Control means for performing,
A box arrangement device comprising:

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