JPH047896B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a single facer for manufacturing single-sided corrugated board in a corrugator.

Conventional technology To replace a corrugating roll in a conventional single facer, the roll shaft supported by the side frame is removed and the corrugating roll is suspended, or the corrugating roll is suspended and removed, a new corrugating roll is hung, and the corrugating roll is suspended. Since the corrugated rolls were hoisted up and their roll shafts were supported by side frames, it took a considerable amount of time to replace the corrugated rolls. flute)
In order to change the number in a short time, it was necessary to arrange a plurality of single facers equipped with corrugating rolls for each type of corrugated cardboard.

Problems to be Solved by the Invention An object of the present invention is to have a plurality of pairs of corrugating rolls with different types of corrugated cardboard in one machine, and to be able to switch from the corrugating roll in use to another corrugating roll in a short time. The objective is to provide a single facer that can be used.

Another object of the present invention is to have a plurality of pairs of corrugating rolls of the same type, and when a corrugating roll in use breaks down or needs repair, it can be switched to a corrugating roll of the same type that is on standby in a short time. The objective is to provide a single facer that can Still another object of the present invention is to provide a single facer that is capable of reliably stopping and fixing a rotating frame at a predetermined position, and also preventing vibration of the rotating frame and accompanying displacement of the rotating frame during corrugated roll operation. It is something to do. Further objects of the invention will become apparent from the following detailed description and description of the accompanying drawings.

Means for Solving the Problems According to the above object, the single facer of the present invention has the following features:
A plurality of pairs of corrugated rolls are attached to a rotating frame, the rotating frame is rotatably supported by a pair of side frames, and a rotating device for the rotating frame is provided to rotate the rotating frame to rotate the corrugated rolls. A single facer capable of switching between roll pairs, wherein the rotary frame includes a pair of disc-shaped end frames provided with a notch that cuts out a circumferential part in a radial direction, an upper roll supported by a pair of suspension brackets, each of which is rotatably mounted to the end frame and suspended within the cutout; a lower roll supported by a pair of fixing brackets removably fixed to the rotary frame, and a stationary device for stopping and fixing the rotating frame in a predetermined position; A pair of cylinders attached to a side frame so as to be operable in the radial direction of the rotating frame, and a pair of insertion holes provided in the circumferential surface of the pair of end frames in the radial direction of the end frames. Accordingly, there is provided a single facer in which the tips of the rods of the pair of cylinders can be inserted into the pair of insertion holes.

Function Therefore, in the single facer of the present invention, among the plurality of pairs of corrugated rolls supported by the rotating frame,
In order to switch one pair of corrugated rolls in use to another pair of corrugated rolls on standby, the rotation of the pair of corrugated rolls in use is stopped, and various devices described below that interfere with the drive rotation of the rotating frame are removed. After moving or removing the
When the rotating frame is rotated and the other pair of corrugating rolls on standby come to a predetermined position, the stationary device provided on each side frame is activated and comes into contact with the end frame, so that the rotating frame is reliably moved. Fixed after stopping rotation. Next, if the device whose driving rotation of the rotary frame is disturbed is returned to its original state, the changeover of the corrugated rolls is completed.

The devices that interfere with the drive rotation of the rotating frame include the pressure roll and glue roll that were in pressure contact with the lower roll, the power shaft and suction tube that were connected to the lower roll, and the steam introduction that was connected to the upper roll. These include a tube and a drain discharge tube, an upper roll pressurizing and separating device that presses the upper roll against the lower roll, or separates the upper roll from meshing with the lower roll. The pressure roll and glue roll may be moved slightly outside the rotation range of the rotating frame, and the power shaft, suction tube, etc. may be removably connected. Furthermore, in the single facer of the present invention, when removing the upper roll and the lower roll, the hanging bracket and the fixed bracket are removed in the radial direction from the pair of end frames of the rotating frame. The rolls can each be removed in the radial direction of the rotating frame.

Embodiment 1 As shown in FIGS. 1 and 2, a single facer frame 10 includes a base 11 and a base 11.
It consists of a pair of gate-shaped side frames 12 with openings 13 standing vertically above them, and a beam 14 extending horizontally between the two side frames.
The opening 13 forms a hole through which the corrugated roll pair 30 can be suspended and taken out laterally. The rotating frame 20 has a cutout portion 2 that cuts out the circumference in the radial direction.
A pair of disc-shaped end frames 21 provided with 10
The pair of end frames 21 are fitted into the pair of side frames 12 through respective circular holes 120 so as to be able to slide thereon. A side plate 22, a pair of hanging brackets 23, a pair of cylinders 24, and a pair of fixed brackets 25 are attached to each end frame 21. The side plate 22 is a cutout portion 210 of the end frame 21.
It adheres along the outer periphery except for the
and the rod 46 of the cylinder 46 described later.
1 end frame 21 so that the tip can be inserted.
A pair of insertion holes 222 are provided in the radial direction.

The hanging bracket 23 is attached to the end frame 2
1 via a pin 231 and suspended within the cutout portion 210,
A roll shaft 311 of the upper roll 31 is rotatably supported within the cutout portion 210 via a bearing (not shown). The rear end of the cylinder 24 is rotatably attached to the end frame 21 via a pin 241, and the tip of the rod 242 is attached to a pin 243.
It is rotatably connected to the hanging bracket 23 via. The fixed bracket 25 is removably fixed to the cutout portion 210 of the end frame 21 by a pair of bolts 251, and rotatably supports the roll shaft 321 of the lower roll 32 via a bearing (not shown). . Furthermore, a side plate 252 is attached to the fixed bracket 25 along the outer periphery, and a rack 252 is attached to the upper edge of the side plate 252.
A rack 253 similar to 21 is attached.

A device (rotating device) 40 for driving and stationary the rotating frame 20 is provided on the side plate 2 of each end frame 21.
3 is rotatably attached to each side frame 12 so as to mesh with the rack 221 of No. 2 and the rack 253 of the side plate 252 of each fixed bracket 25.
two chains 43 that interlock the three pinions 41 through three sprockets 42 coaxially fixed to each pinion 41; A drive motor 45 interlocked with 42
A stationary device 400 that stops and fixes the rotation of a pair of end frames 21 is fixed to each side frame 12, and the end of the rod 461 is attached to the circumferential surface of the side plate 22 of the end frame 21. A pair of insertion holes 222 provided in the radial direction of the
It consists of a pair of cylinders 46 that act in the radial direction of the rotating frame 20 so that it can be inserted into the rotating frame 20.

The pressure roll release device 50 removes the pressure roll 51 rotating in contact with the lower roll 32 from the rotating frame 2.
It is rotatably attached to each side frame 12 via a pin 521 and rotatably supports the roll shaft 511 of the pressure roll 51 via a bearing (not shown). a hanging bracket 52, and a pin holder 53 provided so as to be movable along the top of the base 11.
A supporting bracket 53 is rotatably supported via a pin 532 loosely fitted to the side frame 1 and integrally connected to the hanging bracket 52, and the rear end is attached to the side frame 1.
2 through a pin 543, and a cylinder 54 with the tip of a rod 541 rotatably attached to a support bracket 53 through a pin 542.

The upper roll pressurizing and releasing device 60 is a device that presses the upper roll 31 against the lower roll 32 or separates the upper roll 31 from meshing with the lower roll 32, and includes a pair of levers 61 and a pair of diaphragm cylinders 62. and a pair of cylinders 63. The lower end of each lever 61 is rotatably attached to each side frame 12 via a pin 611, and the arc portion 610 of the lower end contacts the arc portion 230 of the hanging bracket 23 and rotates via the pin 612. The hook 613 attached to the hook 613 is attached to the arc portion 23 of the hanging bracket 23.
It is designed so that it can be engaged with a stop pin 232 attached to 0. At the top of the lever 61, the rear end is connected to the pin 6.
The tip of the rod 632 of the cylinder 63 is rotatably attached to the side frame 12 via a pin 633, and the rod 632 of the diaphragm cylinder 62, which is fixed to the side frame 12, is attached at the top. The tip of 621 is rotatably attached via a pin 622.

The pressure roll pressing device 70 is a device that presses the pressure roll 51 toward the lower corrugating roll 32 in order to press the liner paper 2 onto the corrugated top of the glued core paper 1 when producing the single-sided corrugated roll 3. , each consisting of a pair of diaphragm cylinders 71, levers 72, and links 73. The diaphragm cylinder 71 is attached to the side frame 12, and the tip of the rod 711 is rotatably connected to the lever 72 via a pin 712. The lever 72 is provided with a pin 721 attached to the side frame 12 as a pivot point.
The link 73 has one end rotatably connected to the lever 72 via a pin 731 and the other end rotatably connected to the support bracket 53 via a pin 532.

The gluing device 80 is for gluing the top of the core paper 1 wound around the lower roll 32, and
It is housed in a box-shaped frame 81 separate from the
A pair of rotating rollers 811 and 812 are rotatably attached to both sides so that they can be moved by a moving device 90 described later, and the rotating rollers 811 and 812 are arranged on a pair of guide rails 813 provided on the base 11. . The box-shaped frame 81 accommodates a glue roll 82 as well as various known means (not shown). The moving device 90 is the gluing device 80
This device moves the end 810 of the box-shaped frame 81 from the A position to the G position via rotating rollers 811 and 812.The rear end is attached to the side surface of the box-shaped frame 81 via a pin 911, and the tip of the rod 912 Cylinder 91 attached to the inner surface of side frame 12 via pin 913
It is equipped with

Next, switching of the corrugated roll pair 30 in the present invention will be explained.

Upper roll 31 of currently used corrugated roll pair 30
Then, the rotation of the lower roll 32 is stopped, the hook 613 of the lever 61 that is engaged with the stop pin 232 of the hanging bracket 23 is removed, and the lower roll 32 is removed.
Remove the coupling 323 of the drive motor 322 and the coupling 325 of the suction pipe 324, respectively. Pin 53 of pressure roll release device 50
2 and operate the cylinder 54 to release the pressure roll 5.
1 to the position drawn by the virtual line. The gluing device 80 operates the cylinder 91 of the moving device 90 to move the end portion 810 of the box-shaped frame 81 from the A position to the G position. Next, the cylinder 4 inserted into the mounting hole 222 of the end frame 21
The tip of the rod 461 of No. 6 is pulled out to make the rotary frame 20 rotatable, and the pinion 41 is driven and rotated to rotate the next pair of corrugated rolls 30, which was in the standby position, to a predetermined position. Then, the stationary device 40
0 cylinder 46 is activated to insert the tip of the rod 461 into the insertion hole 222 to stop the rotating frame 20, and at the same time, the hook 613 of the lever 61 is engaged with the stop pin 232 of the hanging bracket 23, and the lower roll 32 is The coupling 323 of the drive motor 322 and the coupling 325 of the suction pipe 324 are respectively connected. The diaphragm cylinder 62 is operated to pressurize the upper roll 31 against the lower roll 32. After operating the cylinder 54 and lifting the pressure roll 51 to a position where it contacts the lower roll 32, the pin 532 is moved to the pin presser 5.
Insert into 31. The diaphragm cylinder 71 is operated to press the pressure roll 51 against the lower roll 32. After the gluing device 80 operates the cylinder 91 to move the end portion 810 of the box-shaped frame 81 from the G position to the A position, the gap between the gluing roll 82 and the lower roll 32 is adjusted by a known adjustment device (not shown). Adjust the parallelism and gap. With the above steps, the switching operation of the corrugated roll pair 30 is completed.

In addition, when switching the corrugated roll pair 30 next time, the rotating frame 20 is rotated in the opposite direction to the current rotation. In this way, the rotating frame 20 rotates forward and backward each time the pair of corrugated rolls 30 is switched.

The steam introduction tube 312 and the drain discharge tube 313 of the upper roll 31 are made of flexible tubes, and since the rotating frame 20 only rotates forward and backward every time the pair of corrugated rolls 30 is switched, the pair of corrugated rolls 30 cannot be changed. At this time, there is no need to remove these tubes 312 and 313 from the upper roll 31. That is, the rotating frame 20 is rotated while the steam introduction tube 312 and the drain discharge tube 313 connected to the upper roll 31 of each of the two corrugating roll pairs 30 remain attached. Therefore, since the upper roll 31 in the standby position is warmed by introducing steam in advance, distortion of the upper roll 31 can be removed, and when it is switched to the operating position, it can be immediately operated without warming up. You will be able to do so. Incidentally, a coupling (not shown) may be provided in each of the steam introduction tube 312 and the drain discharge tube 313. Furthermore, the rotating frame 20 is not provided with the racks 221, 253, and pinions 41
A rotating shaft (not shown) may be fixed to the center of the rotating shaft, and the rotating shaft may be transmitted by a drive motor (not shown) via a known power transmission means (not shown).

When you want to replace the corrugated roll pair 30 (for the sake of explanation, we will take as an example the case where you want to replace the upper roll 31 and lower roll 32 of the corrugated roll pair 30 that are currently in use), Middle corrugated roll pair 3
The rotation of the upper roll 31 and the lower roll 32 of 0 is stopped, the cylinder 46 is operated, and the tip of the rod 461 is inserted into the insertion hole 222 to make the rotating frame 20 stand still. The steam introduction tube 312 and drain discharge tube 313 of the upper roll 31 are removed. The coupling 323 of the drive motor 322 of the lower roll 32 and the coupling 325 of the suction pipe 324 are removed. The pin 532 of the pressure roll release device 50 is removed and the cylinder 54 is actuated to lower the pressure roll 51 to the position drawn by the imaginary line. The cylinder 91 of the moving device 90 of the gluing device 80 is operated to move the end portion 810 of the box-shaped frame 81 from the A position to the G position to form a space between the openings 13 of the pair of side frames 12. I'll keep it. Also, preparations are made for hanging the roll shaft 321 of the lower roll 32. The air in the cylinder 62 of the upper roll pressurization and removal device 60 is removed, the rod 632 of the cylinder 63 is pushed out, and the upper roll 31 is separated from the lower roll 32 via the lever 61. The fixing bracket 25 of the lower roll 32 is removed from the end frame 21, the lower roll 32 is suspended downward, and is taken out laterally through the opening 13. Next, remove the pin 231 of the bracket 23 and remove the roll shaft 3 of the upper roll 31.
11 Prepare to hang both ends. Upper roll 31
After rotating the hook 613 and separating it from the stop pin 232 of the hanging bracket 23, it is hung downward and taken out laterally through the opening 13. The newly installed upper roll 31 and lower roll 32 are equipped with a hanging bracket 23 and a fixed bracket 2 in which bearing parts are installed in each roll shaft in advance.
5 are attached, and after placing these corrugated rolls in the position they were taken down, they are sequentially lifted up and the hanging brackets 23 and fixing brackets 25 are attached to the end frame 21, respectively. A steam introduction tube 312 and a drain discharge tube 313 are attached to the upper roll 31, and the lower roll 3
2, the coupling 323 of the drive motor 322
and the coupling ring 325 of the suction pipe 324
After attaching the hook 613 to the stop pin 232, the diaphragm cylinder 62 is operated to press the upper roll 31 toward the lower roll 32. Pressure roll 5 is activated by operating cylinder 54.
1 to a position where it contacts the lower roll 32, the pin 532 is inserted into the pin holder 531.
Activate the diaphragm cylinder 71 to release the pressure roll 5
1 is pressed onto the lower roll 32. Furthermore, the cylinder 91 is operated to move the gluing device 80.
After moving the end portion 810 of the box-shaped frame 81 from the G position to the A position, the parallelism and gap between the gluing roll 82 and the lower roll 32 are adjusted using a known adjustment device (not shown). With the above steps, the replacement work for the corrugated roll pair 30 is completed.

Example 2 In this example, as shown in FIG.
The rotating frame 20C is attached to the side frame 12C of the
A rotating shaft 26C is rotatably supported, a pair of end frames 21C are fixed to the rotating shaft 26C, and two pairs of corrugated rolls 30C are rotatably supported by the pair of end frames 21C. It is something.

The rotating shaft 26C is connected to a drive motor 261C and a chain sprocket or other known power transmission means 26.
It is linked via 2C. In addition, Example 1
Similarly, a rack (not shown) may be attached to the end frame 21C, a pinion (not shown) that meshes with the rack may be attached to the side frame 12C, and the rotating frame 20C may be rotated by driving and rotating the pinion. . The upper roll 31C in the operating position has a steam introduction tube 312C and a drain discharge tube 313C.
However, the upper roll 31C in the standby position has a steam introduction tube 312C and a drain discharge tube 313C connected to the coupling 314C.
It has been removed via.

In order to rotate the lower roll 32C in the operating position to the standby position, it is necessary to remove the coupling 323C of the drive motor 322C and the coupling 325C of the suction pipe 324C.
The other mechanisms of this embodiment are the same as those of embodiment 1, so their explanation will be omitted. Note that 13C is an opening of the side frame 12C.

Effects of the Invention The single facer of the present invention is equipped with a plurality of pairs of corrugating rolls of different corrugating types, and the rotating frame is rotated in forward and reverse directions from the pair of corrugating rolls in use to the other pairs of corrugating rolls. Since it can be changed over time, production of single-sided corrugated cardboard in small quantities and in a wide variety of products can be achieved with a small equipment area and a small equipment cost. Moreover, since one machine can be equipped with a plurality of corrugating roll pairs of the same type, the corrugating roll pairs can be switched in a short time, and a decrease in production due to corrugating roll replacement can be avoided as much as possible. Further, in the single facer of the present invention, since the upper roll and lower roll attached to the rotating frame can be taken out in the radial direction and replaced, the time required to replace the corrugated rolls can be greatly shortened.

Furthermore, in the single facer of the present invention, when switching between corrugated roll pairs, the stationary device operates to reliably stop the rotating frame with a large weight load at a predetermined position, and the stationary device also fixes the rotating frame. Therefore, it is possible to completely prevent the vibration of the rotating frame during the operation of the corrugating rolls and the resulting positional shift.This prevents machine wear and rattling, and improves the meshing of the upper and lower corrugating rolls. It can be maintained normally for a long period of time, the corrugation of the core paper can be made uniform, and the glue can be evenly applied to the corrugation tops of the corrugation paper.

[Brief explanation of drawings]

FIG. 1 is an overall side view of an embodiment of the present invention, FIG. 2 is an explanatory diagram of a pair of corrugated rolls seen from the front during operation, and FIG. 3 is a front view showing another embodiment of the present invention. 12... Side frame, 20... Rotating frame, 21, 21C... End frame, 210...
... Notch part, 222 ... Insertion hole, 23 ... Hanging bracket, 25 ... Fixed bracket, 30,
30C... Pair of corrugated rolls, 31, 31C... Upper roll, 32, 32C... Lower roll, 40... Rotating device, 400... Stationary device, 46... Cylinder, 461... Rod.

Claims (1)

[Claims] 1. A plurality of corrugating roll pairs are attached to a rotating frame, the rotating frame is rotatably supported by a pair of side frames, and a rotating device for the rotating frame is provided to rotate the rotating frame. A single facer capable of switching between a pair of corrugating rolls, wherein the rotary frame includes a pair of disc-shaped end frames provided with a cutout portion that cuts out a circumferential portion in a radial direction, and an upper roll, each pair being supported by a pair of suspension brackets, each of which is rotatably attached to the end frame and suspended within the cutout;
a lower roll supported by a pair of fixing brackets removably fixed in the radial direction to the notch, and for stopping and fixing the rotating frame at a predetermined position. A stationary device includes a pair of cylinders attached to the pair of side frames so as to be operable in the radial direction of the rotating frame, and a stationary device attached to the circumferential surface of the pair of end frames in the radial direction of the end frame. 1. A single facer comprising: a pair of insertion holes provided therein so that tips of the rods of the pair of cylinders can be inserted into the pair of insertion holes.