JP3192721U - Single-side corrugated sheet guide device - Google Patents

Abstract

A guide device for a single-sided corrugated cardboard sheet that can accurately adjust the position in the width direction of the single-sided cardboard sheet with a simple configuration while performing good braking without damage or crushing due to friction.
An upper parallel position of a brake roll by an angle for offsetting the amount of deviation by obtaining the amount of deviation of the center line of the single-sided cardboard sheet D from a predetermined machine center line based on a detection result from a detection unit. The drive device 13 is controlled to rotate the first, second, and third rolls in the same horizontal plane around the central portion of the central axis of the first roll 5, and the upstream side of the first roll. A first fixed roll 8 that forms a traveling path in a substantially vertical upward direction of the single-sided corrugated cardboard sheet fed from the upstream side with respect to the first roll, and a downstream lower position of the third roll 7. Then, a second fixed roll 9 for feeding the single-sided cardboard sheet downstream from the third roll of the single-sided cardboard sheet was formed.
[Selection] Figure 1

Description

  The present invention relates to a guide device for adjusting a position in a width direction in a conveying process of a single-sided cardboard sheet to a bonding portion with a liner.

  Corrugated cardboard is continuously manufactured by a corrugated cardboard manufacturing machine generally called a corrugator or a corrugating machine. First, with a single facer, a core sheet formed by corrugating a base paper fed from a base paper roll is bonded to a back liner fed from another base paper roll to continuously form a strip-like single-sided corrugated cardboard sheet. After passing through a pre-heater roll and a tension applying section on the single-sided corrugated cardboard sheet, the front liner is bonded to the top of the corrugated board with a gluing device to obtain a corrugated cardboard sheet. On the downstream side, the corrugated board sheet becomes a corrugated board of a desired size by processing such as trimming and cutting.

  However, when a front liner is bonded to a single-sided corrugated cardboard sheet, if there is a deviation in the width direction in the overlapping of the two, a defective portion having a waveform exposed on both sides of the cardboard after the bonding occurs. The larger the is, the larger the defective area that cannot be used as a product.

  In order to avoid the occurrence of such a wasteful defective portion, the center line of both of the traveling devices is set in advance so that the single-sided cardboard sheet and the front liner can be overlapped without deviation, so-called machine center Must match. In particular, since single-sided cardboard is transported from the bonding process with the back liner in a single facer, it is desirable to adjust the position so that the center of the single-sided cardboard sheet width direction always overlaps the machine center in the transport direction. .

  In the conventional corrugating machine, a brake stand is placed in the travel path of the single-sided cardboard sheet from the single facer to the gluing device, and braking is applied from the back liner side by the suction action of the suction box so that appropriate tension is applied to the single-sided cardboard sheet. (For example, refer to Patent Document 1). Some brake stands are provided with a width direction position adjusting means for a single-sided cardboard sheet by a pair of guide plates that are in contact with both end edges of the single-sided cardboard sheet.

  Generally, in the same corrugating machine, two types of single-sided corrugated cardboard sheets having different heights and intervals between the cores are formed at the same time, and selectively bonded to the front liner so that the A level and the B level 2 In many cases, various types of cardboard sheets can be manufactured. In this case, the brake stand has a two-layer structure in which a single-sided corrugated cardboard sheet travels in each layer and can be individually braked by a suction box.

  For example, as shown in FIG. 4, a single-sided cardboard sheet (DA, DB) travels on a brake stand B disposed between a single facer and a preheating part P by a preheater roll located upstream from the gluing device. A pair of guide plates G that are movable in the width direction of the single-sided cardboard sheet orthogonal to the direction are arranged. Further, the brake stand B detects the position of a driving device that moves the pair of guide plates G in a direction orthogonal to the traveling direction and the single-sided cardboard sheet (DA, DB) that passes between the pair of guide plates G. The controller is provided with a detection unit, and the control unit obtains a predetermined deviation from the machine center based on the detection result from the detection unit, and seats the pair of guide plates G by a distance that eliminates this deviation amount. The drive device is driven and controlled to move in the width direction.

  Accordingly, when the single-sided cardboard sheet (DA, DB) passes between the pair of guide plates G, the running position is always set to the machine center in which the center of the cardboard sheet is predetermined while being braked by the suction box S. Adjusted to match. By this position adjustment, when the single-sided corrugated cardboard sheet (DA, DB) and the front liner are attached to each other, a state in which they are overlapped in the width direction without deviation is obtained.

  Another position adjustment method is a non-crash roll. In this method, the non-crash roll is placed on a central portion on a single-sided corrugated cardboard sheet that is running, and its axial direction is twisted to steer it.

JP 2004-114538 A

  However, when the position of the single-sided cardboard sheet is adjusted by moving the pair of guide plates in the width direction, the both ends of the single-sided cardboard sheet that slides against the contact surface of the guide plate are worn or damaged due to friction, or the ear is bent. There was a problem that occurred. Further, in the position adjustment while braking by the suction box, there is a possibility that the back liner of the single-sided cardboard sheet may be worn or damaged due to friction. In addition, braking by the suction method has poor linearity with respect to the brake amount, and a more accurate braking method is desired.

  Further, in the position adjustment method using the non-crash roll, the single-sided corrugated cardboard sheet is pressed from the upper surface and twisted, and therefore, there is a risk that the corrugation of the corrugated cardboard product may be partially degraded. Furthermore, when the position of a single-sided cardboard sheet that is running in the horizontal direction is adjusted with a strong torsional force from the upper surface side, slack occurs in one side in the sheet width direction and stagnates on the transport roll and is too strong on the other side. There is a risk that the sheet will slide up on the conveying roll due to the tension, and the sheet may travel downstream in a low-accuracy adjustment state while maintaining a good adjustment position.

  In view of the above problems, the present invention is a guide for a single-sided cardboard sheet that can accurately adjust the position in the sheet width direction with a simple configuration while performing good braking without causing damage or crushing on the single-sided cardboard sheet. The object is to obtain a device.

To achieve the above object, the present invention provides a corrugated board manufacturing machine on a single-sided corrugated sheet traveling path from a bonding process section between a back liner and a corrugated core sheet to a bonding process section with a front liner. An installed guide device,
It has a surface mechanism that holds a single-sided cardboard sheet by generating a frictional force with the single-sided cardboard sheet. A brake roll to send to the side,
A first roll on which a single-sided corrugated cardboard sheet is wound around an outer peripheral surface over a substantially half circumference at an upper position upstream of the brake roll;
A second roll on which the single-sided corrugated cardboard sheet is wound around the outer circumferential surface over a substantially half circumference at an upper position downstream of the brake roll and at a position parallel to the first roll in the horizontal direction;
A third roll on which the single-sided corrugated cardboard sheet is wound around the outer circumferential surface over substantially ¼ circumference at a position opposite to the second roll and parallel in the horizontal direction;
A first fixed roll that forms a travel path in a substantially vertical upward direction of the single-sided cardboard sheet that is fed from the upstream side of the first roll at a position on the upstream side of the first roll;
A second fixed roll that feeds the single-sided cardboard sheet to the downstream side after forming a travel path in a substantially vertical downward direction from the third roll of the single-sided cardboard sheet at a downstream lower position of the third roll;
A holding part for holding the first, second, third roll and brake roll parallel to each other so as to be rotatable and integrally rotatable in a horizontal plane;
A driving device for rotating the first, second, and third rolls in the same horizontal plane around the central portion of the central axis of the first roll through the holding portion;
A detection unit for detecting the traveling position of the single-sided cardboard sheet on the brake roll;
A control unit for controlling the driving device,
The control unit obtains a shift amount of the center line of the single-faced cardboard sheet with respect to a predetermined machine center line based on a detection result from the detection unit, and calculates the first, second, The drive device is controlled to rotate the third roll in the same horizontal plane.

  In the guide device for a single-sided corrugated cardboard sheet of the present invention, the brake rolls are parallel to each other in the same horizontal plane above the brake liner by braking the surface liner of the traveling single-sided cardboard sheet by surface friction of the brake roll. The position of the single-sided cardboard sheet in the width direction is adjusted by rotating in the horizontal direction together with the second and third rolls.

  The brake roll is pivoted to the holding unit together with the first roll located upstream of the first roll and the second roll and the third roll located in the same horizontal plane parallel to the first roll at the downstream upper position. The brake roll and the first, second, and second are pivoted in a horizontal direction around the central portion of the center axis of the first roll by a drive device that is supported and driven and controlled by the control unit. The three rolls rotate together with the single-sided corrugated cardboard sheet in the rotating direction to adjust the position.

  In addition, the first non-rotating follow-up rotating type fixed roll at the lower position on the upstream side of the first roll is applied to the first roll while applying tension to the single-sided cardboard sheet fed from the single facer side. When the rotation for adjusting the position is performed in order to form a traveling path in a substantially vertical upward direction, the load generated on the single-sided cardboard sheet traveling between the first fixed roll and the first roll is Only the twist about the vertical axis is made, and good running can be continued without sagging on both sides of the single-sided cardboard sheet whose position is adjusted.

  Further, at the downstream lower position of the third roll, the second fixed roll of the follow-up rotation type that is non-rotating in the horizontal direction applies tension to the single-sided cardboard sheet that is fed downstream from the third roll. In order to form a travel path in the substantially vertical downward direction from the roll, when the position adjustment is performed, the single-sided cardboard sheet that travels between the third roll and the second fixed roll is used. The generated load is only the twist around the vertical axis, and the single-sided cardboard sheet traveling from the third roll is sent out well downstream while maintaining the adjusted traveling position.

  Further, the second fixed roll maintains the traveling position of the single-sided corrugated cardboard sheet from the third roll and sends it to the downstream side, so that the first to third rolls and the brake roll rotate in the horizontal direction via the holding portion. Even if it returns to the original position, the travel position of the single-sided cardboard sheet adjusted in the width direction by the first to third rolls is secured by the second fixed roll, and the travel of the single-sided cardboard sheet at the adjusted travel position is maintained. . Therefore, after the adjustment of the position in the width direction of the single-sided cardboard sheet is completed, the rotation can be immediately returned to prepare for the next adjustment.

  Further, the rotation angle for such position adjustment is a detection result from the detection unit in the control unit, for example, a travel position based on imaging data of a single-sided cardboard sheet on a brake roll obtained from an imaging unit such as a camera, A predetermined amount of deviation from the machine center is obtained, and the drive device is driven and controlled so that the holding portion is rotated by an angle corresponding to the deviation cancellation with the amount of deviation as an adjustment amount.

  Therefore, according to the present invention, the single-sided corrugated cardboard sheet is a simple and short-time operation in which a specific roll group including the brake roll is rotated together with the holding portion in the horizontal direction while traveling on the brake roll. Thus, the position adjustment in the width direction is performed, and at that time, there is no damage caused by friction of the sheet edge portion, ear breakage or step collapse, and the quality as a corrugated cardboard product is not deteriorated. Furthermore, by making the entering and exiting both running directions of the single-sided corrugated cardboard sheet with respect to the holding part side substantially vertical up and down direction, slack in one side in the width direction of the sheet at the time of position adjustment does not cause slippage on the roll due to too strong tension on the other side, Since the travel position of the adjusted seat can be secured and good travel can be maintained, as a result, highly accurate position adjustment can be achieved with a simple guide configuration.

  As a control process by the actual control unit, a detection step of detecting the running position of the single-sided cardboard sheet by the detection unit, and a position adjustment by obtaining a deviation amount between the machine center line and the single-sided cardboard sheet center line based on the detection result A position adjustment amount setting step for setting the drive amount of the drive device corresponding to the rotation angle from the initial position as the amount, and the roll for each holding unit by instructing the drive device to drive the set drive amount A position adjustment drive step for rotating the group, and a return drive for returning the roll group to the initial position together with the holding unit by issuing a command for returning the drive amount to the drive device after a predetermined time when the position adjustment is completed. What is necessary is just to provide a process.

  The initial position referred to here means that the group of rolls pivotally supported by the holding portion is parallel to the upstream first fixed roll and also to the downstream second fixed roll. The rotation angle is 0 at this initial position.

  Further, the drive device according to the present invention is not particularly limited as long as it is a mechanism that can rotate the holding portion in the horizontal direction around the central portion of the central axis of the first roll. A cylinder or an actuator using a hydraulic fluid driving cylinder such as hydraulic pressure or air pressure is preferable.

  When such an actuator is used as a drive device, for example, a rotation shaft member horizontally mounted on a pair of support side plates forming a holding portion is used, and a universal joint or a ball joint or the like serving as a rotation center at the center portion is used. And fixed to the fixing member on the main body frame side of the guide device so as to be horizontally rotatable, and the rod ends of the cylinders installed on the fixing member on both sides of the rotation center are connected to the fixed shaft member. In the configuration, a rotational drive for position adjustment can be performed by merely controlling the cylinder drive so that one cylinder rod is extended by a length corresponding to a desired rotational angle and the other cylinder rod is contracted. Further, the rotation drive is possible with only one cylinder.

  Such rotation can be achieved almost instantly, and a series of operations from the start of rotation to the deflection and return of the single-sided cardboard sheet to the target travel position can be completed in a matter of seconds. Therefore, even if the rotation angle required for position adjustment is larger than the rotation angle limit at one time, it is only necessary to repeat the short adjustment operation / return operation as many times as necessary. However, it takes much less time than the conventional one.

  Furthermore, the brake roll of the present invention is capable of braking the single-sided cardboard sheet by generating a friction between the single-sided cardboard sheet and following and rotating while holding the single-sided cardboard sheet well without sliding up. However, an existing one that has been conventionally used as a brake roll may be adopted. For example, the one provided with a rubber-like elastic body covering the roll surface or one having a plurality of grooves formed on the surface is simple.

  In addition, the guide device of the present invention includes an existing corrugating machine that includes at least a brake roll and first to third rolls, a second fixed roll, a detection unit, and a driving device supported by the holding unit from the first fixed roll. It can be installed in the single-sided cardboard sheet traveling route. Thereby, the width direction position adjustment of the single-sided corrugated cardboard sheet which can be simply performed with high accuracy and in a short time can be performed in an existing corrugated machine.

  In addition, by installing such units so as to have an upper and lower two-layer structure, a single-sided cardboard sheet of two stages of A-stage and B-stage can be run in each layer, and the position can be adjusted individually for each. Can be realized easily.

  In addition to the main roll group described above, the guide device of the present invention can be arranged with other rolls, tension bars, etc. for further or preliminary tensioning or travel angle adjustment, What is necessary is just to set the position and number suitably.

  As described above, the present invention rotates a holding part that pivotally supports a brake roll for braking a single-sided cardboard sheet together with first to third rolls parallel to each other in the same horizontal plane. The travel position of the single-sided corrugated cardboard sheet can be adjusted in the width direction in a short time without causing damage or ear folding and collapsing due to friction at both edges of the single-sided cardboard sheet. A substantially vertical upward traveling path is formed by the first fixed roll at the upstream lower position, and a substantially vertical downward traveling path is formed from the third roll by the second fixed roll at the downstream lower position of the third roll. With this configuration, the adjusted travel position can be adjusted without causing slack or strong tension on both sides of the single-sided cardboard sheet before and after position adjustment. Set aside good with highly accurate position adjustment can be realized, back immediately the rotation adjusted while maintaining its running position there is an effect that may be provided to the next position adjustment.

BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic block diagram of the guide apparatus of the single-sided cardboard sheet | seat by one embodiment of this invention, (a) is a schematic side view, (b) is a schematic sectional drawing which shows the principal part in a main body frame. It is explanatory drawing which shows the position adjustment operation | movement of the guide apparatus of FIG. 1, (a) is a schematic plan view which shows the state in an initial position, (b) is a schematic plan view which shows the rotation state at the time of position adjustment. It is a schematic side view which shows the 2 layer structure of the guide apparatus by this invention arrange | positioned in the driving | running route of a corrugated machine. It is a schematic side view which shows an example of the brake stand as a guide apparatus of the conventional single-sided cardboard sheet | seat installed in the driving | running route of the corrugating machine.

  A guide device as an embodiment of the present invention is shown in FIGS. Fig.1 (a) is a schematic side view, FIG.1 (b) is a schematic sectional drawing which shows the principal part arrangement | positioning in the main body frame of a guide apparatus. 2 is a schematic plan view of the main part of the guide device of FIG. 1 as viewed from above. FIG. 2A shows an initial position state of the main roll holding part, and FIG. 2B shows a rotating state during position adjustment. Is. FIG. 3 is a schematic side view of a guide device arranged in a two-layer structure on the path of a single-sided cardboard sheet that travels from a single facer to a preheating unit before a double facer in a corrugating machine.

  As shown in FIG. 1, the guide device 1 according to the present embodiment has a single-sided cardboard on a pair of supporting side plates 3 disposed in a body frame 2 so as to face each other in the horizontal direction perpendicular to the traveling direction of each single-sided cardboard sheet D. A brake roll 4 that feeds downstream while braking travel of the sheet D; a first roll 5 on which a single-sided corrugated cardboard sheet D is wound around the outer circumferential surface at an upper position upstream of the brake roll 4; A second roll 6 on which the single-sided corrugated cardboard sheet D is wound around the outer circumferential surface over a substantially half circumference at an upper position downstream of the roll 4 and at a position parallel to the first roll 5 in the horizontal direction. And a third roll 7 on which the single-sided cardboard sheet D is wound around the outer circumferential surface over substantially ¼ circumference at an opposed position parallel to the horizontal direction is pivotally supported.

  Further, in the main body frame 2, a travel path in the substantially vertical upward direction of the single-sided cardboard sheet D fed from the upstream side of the first roll 5 to the lower position on the upstream side of the first roll 5. The first fixed roll 8 that forms a shaft is rotatably supported, and a travel path of the single-sided corrugated cardboard sheet D from the third roll 7 in a substantially vertical downward direction is provided at a downstream downstream position of the third roll 7. The second fixed roll 9 for feeding the single-sided corrugated cardboard sheet D downstream is formed so as to be rotatable. The above main rolls can be appropriately rotated by the single-sided cardboard sheet D.

  Accordingly, the single-sided corrugated cardboard sheet D introduced from the single facer side to the guide device 1 via the tension rolls T1, T2 and, in some cases, the additional tension bar TB, is placed on the outer periphery of the first fixed roll 8 on the back liner side. After being wound around the lower half of the circumference, it travels vertically upward toward the first roll 5. The first roll 5 is wound on the outer periphery of the first roll 5 over the upper half of the circumference, and then wound on the outer circumference of the brake roll 5 on the back liner side over the half of the circumference, and then the second roll 6. After being wound around the outer periphery of the center core side over a substantially half circumference, running on a horizontal plane and wound over the outer periphery of the third roll 7 over approximately ¼ circumference, toward the second fixed roll 9. Drive vertically downward. Then, it travels to the downstream preheat roll side via the tension roll T3. The brake roll 4 and the second roll 6 are wound in an S shape.

  As described above, the holding portion is configured by the pair of support side plates 3 that pivotally support the brake roll 4 and the first to third rolls (5, 6, 7). Between the pair of support side plates 3, a rotating shaft member 10 parallel to each roll is horizontally mounted. The rotating shaft member 10 is fixed to a fixing member 11 integrated with the main body frame 2 near the center of the center axis. The ball joint 12 is connected so as to be rotatable in the horizontal direction. Accordingly, the vertical axis passing through the rotation center 20 of the ball joint 12 is used as the rotation center axis 21, and the brake roll is pivotally supported between the pair of support side plates 3 as the rotation shaft member 10 rotates in the horizontal direction. 4 and the 1st-3rd rolls (5, 6, 7) can be rotated in the horizontal direction integrally. At this time, the rotation center shaft 21 passes through the vicinity of the center of the center axis of the first roll 5, and the first to third rolls (5, 6, 7) are integrally formed within the same horizontal plane with the position as the center. It will turn.

  As the drive device 13 (detailed illustration is omitted) for rotating the rotation shaft member 10 in the horizontal direction, for example, the rotation shaft member 10 and the rotation shaft member 10 so that the central axis is located in the same horizontal plane on both the left and right sides of the ball joint 12. There is a mechanism using an electric cylinder or a working fluid pressure cylinder disposed between the fixed member 11 and the fixed member 11. By extending one cylinder rod by a predetermined length and simultaneously shrinking the other cylinder rod by the same length, one of the left and right sides of the rotary shaft member 10 is separated from the fixed member 11 and the other left and right sides are fixed members. Rotating movement to approach.

  Therefore, by driving and controlling each cylinder of the driving device 13 according to a command from the control unit 100, the brake shaft 4 and the first to third rolls (5, 6) together with the rotating shaft member 10 together with the pair of support side plates 3. 7) are integrally rotated by a predetermined angle in the horizontal direction.

  The frame body 2 is provided with a camera 30 that captures a single-sided cardboard sheet D that brakes and travels on the brake roll 4 as a travel position detector. Based on the imaging data of the single-sided cardboard sheet D output from the camera 30, the control unit 100 shifts between a predetermined machine center M and the center line DS of the single-sided cardboard sheet D traveling on the brake roll 4. And a cylinder rod movement amount corresponding to a rotation angle that only cancels the deviation amount is commanded to the drive device 13 and is pivotally supported by the pair of support side plates 3 via the rotation shaft member 10 by the drive control. The roll group (4, 5, 6, 7) is rotated integrally. Along with this rotation, the single-sided cardboard sheet D wound around the brake roll 4 and simultaneously wound around the first to third rolls is deflected in the rotation direction, and the position adjustment in the width direction is performed.

  When the position is adjusted by the rotation of the roll group (4, 5, 6, 7), the load generated on the single-sided cardboard sheet D on the introduction side is around the vertical axis between the first fixed roll 8 and the first roll 5. Therefore, the single-sided corrugated cardboard sheet D does not slide on the roll with the tension that one side in the sheet width direction is slack and the other is too strong, and the other side is too strong. It is possible to travel smoothly while rotating following well.

  And since the load generated on the single-sided corrugated cardboard sheet D on the carry-out side after changing the traveling position is also only the twist about the vertical axis between the third roll 7 and the second fixed roll 9, one of the sheet width directions is also here. The running position after adjustment in the width direction is secured by the second fixed roll 9 without sagging on the roll or sliding on the roll with tension that is too strong on the other side, and the running position is maintained well. It can travel downstream.

  Further, since the adjusted traveling position is secured by the second fixed roll 9, the roll group (4, 5, 6, 7) is immediately turned without affecting the downstream traveling position. Can be returned to the initial position to prepare for the next position adjustment.

  In the guide device 1 having the above-described configuration, while the corrugating machine is being driven, the travel position of the single-sided cardboard sheet D on the brake roll 4 is detected and the shift amount from the machine center M is calculated to eliminate the shift amount. Thus, the running position of the single-sided cardboard sheet D can always be adjusted by rotating the brake roll 4 and the first to third rolls (5, 6, 7) together with the holding portion. At this time, there is no occurrence of damage, ear bending, corrugation or the like due to friction at both end edges, which deteriorates the quality of the cardboard product.

  Furthermore, even if the rotation of the roll group (4, 5, 6, 7) for each holding part reaches the maximum angle determined by the limit of the apparatus design, the first adjustment is necessary even if the required total position adjustment amount is not reached. Immediately after the rotation, the roll group (4, 5, 6, 7) is immediately returned to the initial position, and the rotation adjustment operation of performing the next rotation is repeated to achieve the total position adjustment amount. Since the adjustment operation once requires only a very short time of turning and returning, even if the adjustment operation is repeated a plurality of times, the total time required is much shorter than the repetitive operation of the conventional apparatus. .

  When the position adjustment amount is set based on the detected amount of deviation and the position adjustment amount obtained by one rotation of the maximum angle is less than the required total position adjustment amount, the control unit 100 is necessary. The number of rotations may be set at the same time, and the drive device 13 may be commanded to repeat the adjustment operation.

  As described above, in the guide device 1 according to the present embodiment, the shift in the width direction of the single-faced cardboard sheet D can be adjusted with high accuracy in a short time with a simple configuration. The guide device 1 mainly includes a holding portion including a pair of support side plates 3, a roll group (4, 5, 6, 7), a drive device 13, and first and second fixed rolls (8, 9). Composed. Therefore, by adopting a configuration that can be installed in the corrugating machine in units of these main parts, it can be easily adopted in existing corrugating machines.

  Also, when configuring a two-layer structure of a guide device for accommodating two different types of single-sided corrugated cardboard sheets (DA, DB) such as A-stage and B-stage, the unit U having the above main structure is moved up and down. This can be easily achieved by appropriately setting the leading-out angle of the single-sided corrugated cardboard sheet (DA, DB) by the surrounding tension rolls or the like by simply arranging the same ones.

1: Guide device 2: Body frame 3: Support side plate 4: Brake roll 5: First roll 6: Second roll 7: Third roll 8: First fixed roll 9: Second fixed roll 10: Rotating shaft member 11 : Fixing member 12: Ball joint 13: Drive device 20: Turning center 21: Turning center axis T1, T2, T3: Tension roll TB: Tension bar 30: Camera D, DA, DB: Single-sided cardboard sheet 100: Control unit U: Unit M: Machine center DS: Single-sided cardboard sheet center line B: Brake stand S: Suction box G: Guide plate P: Preheating unit

Claims (2)

A guide device installed on a traveling path of a single-sided corrugated cardboard sheet from a bonding process unit between a back liner and a corrugated core sheet to a bonding process unit with a front liner of a corrugated board manufacturing machine,
It has a surface mechanism that holds a single-sided cardboard sheet by generating a frictional force with the single-sided cardboard sheet. A brake roll to send to the side,
A first roll on which a single-sided corrugated cardboard sheet is wound around an outer peripheral surface over a substantially half circumference at an upper position upstream of the brake roll;
A second roll on which the single-sided corrugated cardboard sheet is wound around the outer circumferential surface over a substantially half circumference at an upper position downstream of the brake roll and at a position parallel to the first roll in the horizontal direction;
A third roll on which the single-sided corrugated cardboard sheet is wound around the outer circumferential surface over substantially ¼ circumference at a position opposite to the second roll and parallel in the horizontal direction;
A first fixed roll that forms a travel path in a substantially vertical upward direction of the single-sided cardboard sheet that is fed from the upstream side of the first roll at a position on the upstream side of the first roll;
A second fixed roll that feeds the single-sided cardboard sheet to the downstream side after forming a travel path in a substantially vertical downward direction from the third roll of the single-sided cardboard sheet at a downstream lower position of the third roll;
A holding part for holding the first, second, third roll and brake roll parallel to each other so as to be rotatable and integrally rotatable in a horizontal plane;
A driving device for rotating the first, second, and third rolls in the same horizontal plane around the central portion of the central axis of the first roll through the holding portion;
A detection unit for detecting the traveling position of the single-sided cardboard sheet on the brake roll;
A control unit for controlling the driving device,
The control unit obtains a shift amount of the center line of the single-faced cardboard sheet with respect to a predetermined machine center line based on a detection result from the detection unit, and calculates the first, second, A guide device for a single-sided cardboard sheet, wherein the driving device is controlled to rotate a third roll in the same horizontal plane. A guide device installed on a traveling path of a single-sided corrugated cardboard sheet from a bonding process unit between a back liner and a corrugated core sheet to a bonding process unit with a front liner of a corrugated board manufacturing machine,
It has a surface mechanism that holds a single-sided cardboard sheet by generating a frictional force with the single-sided cardboard sheet. A brake roll to send to the side,
A first roll on which a single-sided corrugated cardboard sheet is wound around an outer peripheral surface over a substantially half circumference at an upper position upstream of the brake roll;
A second roll on which the single-sided corrugated cardboard sheet is wound around the outer circumferential surface over a substantially half circumference at an upper position downstream of the brake roll and at a position parallel to the first roll in the horizontal direction;
A third roll on which the single-sided corrugated cardboard sheet is wound around the outer circumferential surface over substantially ¼ circumference at a position opposite to the second roll and parallel in the horizontal direction;
A first fixed roll that forms a travel path in a substantially vertical upward direction of the single-sided cardboard sheet that is fed from the upstream side of the first roll at a position on the upstream side of the first roll;
A second fixed roll that feeds the single-sided cardboard sheet to the downstream side after forming a travel path in a substantially vertical downward direction from the third roll of the single-sided cardboard sheet at a downstream lower position of the third roll;
A holding part for holding the first, second, third roll and brake roll parallel to each other so as to be rotatable and integrally rotatable in a horizontal plane;
A driving device for rotating the first, second, and third rolls in the same horizontal plane around the central portion of the central axis of the first roll through the holding portion;
A detection unit for detecting the traveling position of the single-sided cardboard sheet on the brake roll;
Based on the detection result from the detection unit, the first roll, the second roll, and the third roll are moved by an angle for offsetting the shift amount by obtaining a shift amount of the center line of the single-faced cardboard sheet with respect to a predetermined machine center line. A control unit that controls the drive device to rotate in the same horizontal plane,
The guide device for a single-sided cardboard sheet, wherein the holding part includes a pair of support side plates that pivotally support the first, second, and third rolls and the brake roll in parallel with each other.

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