JP5563321B2 - Cutting blade shaft holding device, cutting blade shaft replacement device, cutting device, and cutting blade shaft replacement method - Google Patents

Description

  The present invention relates to a cutting blade shaft holding device, a cutting blade shaft replacement device, a cutting device, and a cutting blade shaft replacement method.

2. Description of the Related Art Conventionally, a cutting device that cuts an object to be cut on a web or the like using an upper blade provided on an upper blade shaft and a lower blade provided on a lower blade shaft is known (for example, see Patent Document 1). ).
The cutting apparatus described in Patent Document 1 includes an arm that is swingable with one end as a fulcrum, and that removably supports both ends of an upper blade roll (upper blade shaft) at the other end, and an upper blade shaft. A support portion that can be supported and a drive unit that moves the support portion up and down are provided. When replacing the upper blade, after swinging the other end of the arm away from the lower blade shaft, the support portion is lifted to lift the upper blade shaft by the support portion. Remove the blade and replace it.

JP 2004-82227 A

  However, in the configuration as disclosed in Patent Document 1, since the upper blade is replaced with the upper blade shaft being separated from the lower blade shaft, cutting cannot be performed during the replacement of the upper blade, and work efficiency is improved. There is a problem that can not be.

  An object of the present invention is to provide a cutting blade shaft holding device, a cutting blade shaft replacement device, a cutting device, and a cutting blade shaft replacement method capable of replacing a cutting blade while improving the cutting work efficiency.

The gist of the present invention is as follows.
[1] A holding body provided with a plurality of holding parts for holding a cutting blade shaft to which the cutting blade can be mounted, and a holder that rotatably supports the holding body and is parallel to the cutting blade axis held by the holding part. A cutting blade shaft holding comprising: a supporting shaft having a proper axial direction ; and a separating means for moving the holding body between a cutting position where the object to be cut can be cut and an exchange position spaced from the cutting position. apparatus.
According to the cutting blade shaft holding device of the present invention, when it becomes necessary to replace the cutting blade shaft (used cutting blade shaft) used for cutting, the holding body is moved to the replacement position by the separating means. Thus, the used cutting blade shaft can also be moved to the replacement position. Moreover, since a some cutting blade axis | shaft can be hold | maintained with a some holding | maintenance part, the cutting blade axis | shaft for replacement | exchange for using for the next cutting can be hold | maintained with a holding body. Then, while holding the used cutting blade shaft and the replacement cutting blade shaft, after rotating the holding body, the holding body is moved again to the cutting position, so that the replacement cutting blade shaft is moved to the cutting position. It can be moved and cut using this cutting blade shaft for replacement.

That is, adjust the used cutting blade shaft while holding it on the cutting blade shaft holding device and use it again, or stop cutting and remove the used cutting blade shaft from the cutting blade shaft holding device. However, instead of using the used cutting blade shaft after the adjustment to the cutting blade shaft holding device, cutting can be resumed quickly using the replacement cutting blade shaft. Work efficiency can be improved.
When the cutting blade shaft needs to be replaced, for example, when the cutting blade is worn or chipped, the cutting blade needs to be maintained or replaced, or the cutting specifications are changed. Can be mentioned. Examples of the cutting specification change include a case where the material and thickness of the object to be cut are changed, and a case where the cutting width is changed.

  Further, by rotating the holding body in one direction, the positions of the used cutting blade shaft and the replacement cutting blade shaft can be changed sequentially, so that one end is a fulcrum as in the cutting device described in Patent Document 1. Thus, in the present invention, the holding body can be controlled more easily than the control for swinging the arm.

Further, after the holder is rotated and before the replacement cutting blade shaft is moved to the cutting position, if the used cutting blade shaft is removed from the holding portion, the cutting blade shaft can be cut with the replacement cutting blade shaft. In addition, replacement and maintenance of used cutting blades, position adjustment of cutting blades, change of the number of sheets, and the like can be performed off-line. Therefore, the working efficiency of adjusting the cutting blade can be improved as compared with the case where cutting is stopped and the cutting blade axis is adjusted on the spot.
Furthermore, the cutting blade shaft holding device of the present invention can function not only as a device for holding the cutting blade shaft but also as a device for holding the cutting blade shaft during cutting. For this reason, it is possible to eliminate the trouble of the dedicated jig, etc., such as moving the used cutting blade axis to the replacement jig and receiving the replacement cutting blade axis from the dedicated jig. Therefore, the cutting work efficiency can be improved.

[2] The cutting blade shaft holding device according to [1], and a cutting blade shaft attaching / detaching device that has a housing portion that can store the cutting blade shaft and that attaches / detaches the cutting blade shaft from the holding portion. The cutting blade shaft exchanging device is characterized in that the storage portion has two storage arms that support both ends of the cutting blade shaft.
According to the cutting blade shaft exchanging device of the present invention, the cutting blade shaft can be exchanged efficiently by the cutting blade shaft attaching / detaching device. Therefore, the cutting blade shaft can be quickly replaced, and the cutting work efficiency can be improved.

[3] The cutting blade shaft holding device described in [1], or the cutting blade shaft replacement device described in [2], and provided at the cutting position and held by any of the plurality of holding portions. A cutting apparatus comprising: a cutting roller of the cutting blade shaft; and a conveyance roller that supports conveyance of the object to be cut.
According to the cutting device of the present invention, since the cutting blade shaft holding device of [1] or the cutting blade shaft replacement device of [2] is provided, the cutting work efficiency can be improved.
In addition, since the conveyance roller is provided, the object to be cut can be conveyed stably. Therefore, cutting can be performed stably.

[4] The cutting blade shaft holding device described in [1] or the cutting blade shaft replacement device described in [2], and provided at the cutting position and held by any of the plurality of holding portions. A cutting apparatus comprising: a second cutting blade that cuts the workpiece together with the cutting blade of the cutting blade shaft.
According to the cutting device of the present invention, the cutting blade shaft can be replaced efficiently, so that the cutting blade shaft can be replaced quickly and the cutting work efficiency can be improved.
Moreover, since the 2nd cutting blade is provided, the shear cut system which cuts a to-be-cut object with two cutting blades in a cutting position is also employable.

[5] A cutting blade shaft replacement method using the cutting blade shaft holding device described in [1], wherein the plurality of used cutting blade shafts, which are cutting blade shafts that have been cut at the cutting position, are held. The cutting blade of the replacement cutting blade shaft, which is a cutting blade shaft for performing the next cutting, and the step of moving the holding body to the replacement position while being held by one of the holding portions is replaced or cut. A step of adjusting the installation position of the blade, a step of holding the replacement cutting blade shaft in a holding portion different from the one holding portion, and an axial direction parallel to the cutting blade shaft held in the holding portion. A cutting blade shaft exchanging method, comprising: a step of rotating the holding body around a supporting shaft having ; and a step of moving the holding body to the cutting position.
According to the cutting blade shaft replacement method of the present invention, cutting can be resumed quickly using the replacement cutting blade shaft, so that the cutting work efficiency can be improved.

[6] A cutting blade shaft replacement method using the cutting blade shaft replacement device described in [2], wherein the plurality of used cutting blade shafts, which are cutting blade shafts that have been cut at the cutting position, are held by the plurality of holding blade shafts. A step of moving the holding body to the replacement position while being held by one of the holding portions, and two ends of the cutting blade shaft for replacement which is a cutting blade shaft for performing the next cutting. A step of supporting and accommodating the arm, a step of exchanging the cutting blade of the replacement cutting blade shaft, or a step of adjusting the installation position of the cutting blade, and moving the housing portion that accommodates the replacement cutting blade shaft. A step of holding the replacement cutting blade shaft in a holding portion different from the one holding portion, and the holding around the support shaft having an axial direction parallel to the cutting blade shaft held in the holding portion. A step of rotating the body, and the used cutting by moving the container And as factories to Ru is housed the blade shaft is supported on the two housing arms, the cutting blade shaft exchange method and a step of moving the holding member to the cutting position.
According to the cutting blade replacement method of the present invention, the cutting blade shaft can be replaced efficiently, so that the cutting blade shaft can be replaced quickly and the cutting work efficiency can be improved .

The top view which shows the cutting device which concerns on 1st Embodiment of this invention. Sectional drawing along the II-II line direction of FIG. Sectional drawing along the III-III line direction of FIG. The figure explaining the exchange method of a cutting blade axis | shaft. It is a figure explaining the replacement | exchange method of a cutting blade axis | shaft, Comprising: The figure which shows the next state of FIG. It is a figure explaining the replacement | exchange method of a cutting blade axis | shaft, Comprising: The figure which shows the next state of FIG. It is a figure explaining the replacement | exchange method of a cutting blade axis | shaft, Comprising: The figure which shows the next state of FIG. It is a figure explaining the replacement | exchange method of a cutting blade axis | shaft, Comprising: The figure which shows the next state of FIG. It is a figure explaining the replacement | exchange method of a cutting blade axis | shaft, Comprising: The figure which shows the next state of FIG. It is a figure explaining the replacement | exchange method of a cutting blade axis | shaft, Comprising: The figure which shows the next state of FIG. The figure explaining the replacement | exchange method of the cutting blade axis | shaft in 2nd Embodiment of this invention. The figure explaining the approach and separation | spacing method of the upper blade axis | shaft and lower blade axis | shaft in the modification of this invention.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a plan view showing a cutting apparatus 1 according to the first embodiment, FIG. 2 is a cross-sectional view of the cutting apparatus 1 along the II-II line direction of FIG. 1, and FIG. It is sectional drawing of the cutting device 1 along a III line direction.

The cutting device 1 includes a cutting blade shaft 200 to which a cutting blade for cutting an object to be cut is detachable, a cutting blade shaft holding device 300 for holding the cutting blade shaft, and a cutting for moving the cutting blade shaft 200. A blade shaft attaching / detaching device 400 is provided.
The cutting blade shaft 200 includes an upper blade shaft 210 and a lower blade shaft 220 in the cutting device 1. As shown in FIGS. 1 and 2, two upper blade shafts 210 are held by the cutting blade shaft holding device 300. One is the upper blade shaft 210 used for cutting, and the other is the upper blade shaft 210 for replacement. Details of the difference between these upper blade shafts will be described later.
As shown in FIG. 2, the cutting device 1 passes a workpiece to be cut between an upper blade shaft 210 and a lower blade shaft 220 that are vertically opposed to each other, and cuts the workpiece. Thus, when the two cutting blades which oppose up and down are provided, the shear cut system which cuts a to-be-cut object with two cutting blades is employable. Moreover, you may use as a conveyance roller which supports conveyance of a to-be-cut object, without providing a lower blade in the lower blade axis | shaft 220. FIG. When the transport roller is used, the object to be cut can be transported stably, so that the cutting can also be performed stably.
Examples of the material to be cut include paper, synthetic resin film, metal foil, and multilayer sheets thereof.

As shown in FIG. 1, a plurality of upper blades 211 as cutting blades are detachably attached to the upper blade shaft 210 with respect to the upper blade shaft 210. An interval, an angle, and the like between the upper blades 211 are set according to a desired width and shape of an object to be cut.
A gear 212 is mounted on one end of the upper blade shaft 210, and a first upper blade shaft holder 213 is mounted between the gear 212 and the portion where the upper blade 211 is provided. A second upper blade shaft holder 214 is attached to the other end of the upper blade shaft 210. The first upper blade shaft holder 213 and the second upper blade shaft holder 214 are mounted so as to cover the periphery of the upper blade shaft 210. Bearings 216 and 217 are provided in the first upper blade shaft holder 213 and the second upper blade shaft holder 214, respectively, and the upper blade shaft 210 is rotatably supported by the bearings 216 and 217. .
Here, an insertion hole 218 is provided on a side surface of the first upper blade shaft holder 213. The insertion hole 218 is formed so that an output shaft of a first cylinder 314 provided in a holding body 310 to be described later can be inserted.
Further, the upper blade shaft 210 is provided with two portions to be accommodated 215 that are accommodated by the accommodating portion 410 of the cutting blade shaft attaching / detaching device 400 described later.
In addition, a convex portion 219 is formed on the outer peripheral surface of the first upper blade shaft holder 213 as shown in FIG. The convex portion 219 is used for positioning when the upper blade shaft 210 is held by the cutting blade shaft holding device 300, and details will be described later.

  A plurality of lower blades as second cutting blades (not shown) are detachably attached to the lower blade shaft 220. By setting the interval and angle between the lower blades to a predetermined state, the object to be cut is cut into a predetermined width and shape. The lower blade shaft 220 is rotatably supported at both ends in the longitudinal direction, and is rotated by, for example, a rotation driving unit (not shown) such as a motor.

The cutting blade shaft holding device 300 includes a holding body 310 formed with a plurality of holding portions 312 for holding the upper blade shaft 210, a support shaft 340 that rotatably supports the holding body 310, and the holding body 310. And a separating means 350 that moves up and down. An opening 313 is formed in the holding portion 312.
The holding body 310 includes a first holding arm 310a and a second holding arm 310b. The first upper blade shaft holder 213 of the upper blade shaft 210 is held by the first holding arm 310a, and the second upper blade shaft holder 214 of the upper blade shaft 210 is held by the second holding arm 310b.
The first holding arm 310a and the second holding arm 310b include a holding body 311 having a substantially square box shape. A first holding portion 312a is provided on one side of the holding main body 311 of the first holding arm 310a, and a second holding portion 312b is provided on the other side. A third holding portion 312c is provided on one side of the holding main body 311 of the second holding arm 310b, and a fourth holding portion 312d is provided on the other side.

As shown in FIG. 2, the first holding portion 312a provided on one side surface of the holding main body portion 311 of the first holding arm 310a protrudes from the one side surface of the holding main body portion 311 and the one side surface substantially perpendicularly. The protrusion 316 and the side wall 317 extending substantially parallel to the one side surface from the tip of the protrusion 316 are formed in a concave shape having an opening 313a that opens in the tangential direction of the rotation trajectory of the first holding arm 310a. ing. On the other hand, the second holding portion 312b provided on the other side of the holding main body 311 is formed in substantially the same manner as the first holding portion 312a provided on the one side. The first holding unit 312a and the second holding unit 312b hold the first upper blade shaft holder 213. Furthermore, the 1st holding | maintenance part 312a and the 2nd holding | maintenance part 312b hold | maintain the upper blade axis | shaft 210 so that attachment or detachment is possible toward the radial direction via opening part 313a, 313b.
Here, the opening directions of the first holding unit 312a and the second holding unit 312b are different. That is, the opening direction of the first holding part 312a and the opening direction of the second holding part 312b are opposite to each other. For example, as shown in FIG. 2, when the first holding part 312a is on the right side of the holding main body part 311 and the second holding part 312b is on the left side, the opening part 313a of the first holding part 312a opens upward. The opening 313b of the second holding part 312b opens downward.

  In addition, the shaft protrudes from the one side surface or the other side surface of the holding body portion 311 toward the first holding portion 312a or the second holding portion 312b inside the holding body portion 311 of the first holding arm 310a. A first cylinder 314 is provided to be arranged. The output shaft of the first cylinder 314 fixes the first upper blade shaft holder 213 of the upper blade shaft 210 held by the first holding portion 312a or the second holding portion 312b. Specifically, the output shaft of the first cylinder 314 is inserted and fixed in the insertion hole 218 formed in the first upper blade shaft holder 213.

The third holding part 312c provided on one side of the holding main body 311 of the second holding arm 310b and the fourth holding part 312d provided on the other side are the first holding part of the first holding arm 310a. It is formed in substantially the same manner as 312a and the second holding portion 312b, and holds the second upper blade shaft holder 214.
The third holding portion 312c has an opening 313c, and the fourth holding portion 312d has an opening 313d. The direction in which the third holding portion 312c opens and the direction in which the fourth opening 313d opens are in opposite directions.

A shaft protrudes from one side surface or the other side surface of the holding main body portion 311 toward the third holding portion 312c or the fourth holding portion 312d inside the holding main body portion 311 of the second holding arm 310b. A second cylinder 315 is provided. The output shaft of the second cylinder 315 fixes the second upper blade shaft holder 214 of the upper blade shaft 210 held by the third holding portion 312c or the fourth holding portion 312d.
Here, the method of fixing the second upper blade shaft holder 214 in the second holding arm 310b may be different from the case of the first holding arm 310a. Specifically, the output shaft of the second cylinder 315 is brought into contact with the second upper blade shaft holder 214 and urged toward the side wall portion 317 of the third holding portion 312c or the fourth holding portion 312d. Thus, the second upper blade shaft holder 214 may be fixed.
In this manner, both end sides of the upper blade shaft 210 can be reliably held, and therefore the upper blade shaft 210 can be prevented from falling from the holding portion 312 even when the holder 310 is rotated.

  Further, as described above, a convex portion 219 is formed on the outer peripheral surface of the first upper blade shaft holder 213 as shown in FIG. 1, and the upper blade is formed by the first holding portion 312a or the second holding portion 312b. When the shaft 210 is held, it can be used for positioning in a direction perpendicular to the axial direction of the upper blade shaft 210.

As shown in FIG. 1, the first holding arm 310a and the second holding arm 310b are arranged in parallel to each other. A connecting shaft 330 is fixed to the central portion of the side surface where the first holding arm 310a and the second holding arm 310b face each other, and the first holding arm 310a and the second holding arm 310b are connected. At this time, as shown in FIG. 1, the opening 313a of the first holding portion 312a of the first holding arm 310a on the right side of the connecting shaft 330 and the opening 313c of the third holding portion 312c of the second holding arm 310b are formed. The opening direction is the same (in FIG. 1, the front side with respect to the paper surface). On the other hand, the opening direction is the same for the left side of the connecting shaft 330 (in FIG. 1, the rear side with respect to the paper surface).
That is, the upper blade shaft 210 is held across the first holding arm 310a and the second holding arm 310b. When the first upper blade shaft holder 213 is held by the first holding portion 312a of the first holding arm 310a and the second upper blade shaft holder 214 is held by the third holding portion 312c of the second holding arm 310b, The upper blade shaft 210 is parallel to the connecting shaft 330.

The support shaft 340 includes a first support shaft 341 fixed to the first holding arm 310a and a second support shaft 342 fixed to the second holding arm 310b. One end of each of the first support shaft 341 and the second support shaft 342 is fixed to the center portion of the side surface opposite to the side surface to which the connection shaft 330 of the first holding arm 310a and the second holding arm 310b is fixed. Has been. On the other hand, the other ends of the first support shaft 341 and the second support shaft 342 are rotatably supported by the separating means 350, and the first holding arm 310 a and the second holding arm 310 b are rotated by the support shaft 340. Rotate with.
As shown in FIGS. 1 and 3, a gear 343 is attached to the first support shaft 341 between a first main body 351 a and a first holding arm 310 a of a separating unit 350 described later. The first support shaft 341 is inserted into the gear 343 and supported by a bearing 344 provided in the gear 343.
The gear 343 is a two-stage gear, and a large-diameter gear 343a and a small-diameter gear 343b are formed. The large diameter gear 343 a meshes with the gear 212 of the upper blade shaft 210 when the upper blade shaft 210 is held by the holding portion 312. On the other hand, the small-diameter gear 343b meshes with a gear 353d of the second rotation driving means 353 described later.
Note that the other end of the second support shaft 342 is rotatably supported by the second main body 351b.

As shown in FIGS. 1 to 3, the separating means 350 includes a first main body portion 351 a and a second main body portion 351 b for rotatably supporting the support shaft 340 and moving the holding body 310, and a support shaft 340. The first rotation driving means 352 for rotating the upper blade shaft 210 and the second rotation driving means 353 for rotating the upper blade shaft 210 are provided.
The first main body 351a pivotally supports the other end side of the first support shaft 341 fixed to the first holding arm 310a, and the second main body 351b is supported by the second support shaft 342 fixed to the second holding arm 310b. The other end is pivotally supported. The first main body 351a and the second main body 351b can move up and down in conjunction with each other by a cylinder 351c.
Therefore, in the cutting device 1, the cutting position A, which is the deployment position of the upper blade shaft 210 when cutting the object to be cut, and the replacement position, which is the deployment position when replacing the upper blade shaft 210 with another upper blade shaft 210. The holding body 310 is moved between the position B and the position B. By moving the holding body 310 in this way, the upper blade shaft 210 and the lower blade shaft 220 can be separated or brought close to each other.
Further, when the holding body 310 is in the cutting position A or the exchange position B, the upper blade shaft 210 is aligned with the connecting shaft 330 in the horizontal direction except when the holding body 310 is rotating. The rotational position is controlled. At this time, the openings 313a and 313c and the openings 313b and 313d are opened in the opposite directions.

As shown in FIGS. 1 and 3, the first rotation driving unit 352 is attached to the first main body 351 a and connected to the other end of the first support shaft 341. The rotational driving force applied by the first rotational driving means 352 is transmitted to the holding body 310 to rotate the holding body 310.
As shown in FIG. 3, the second rotation driving unit 353 is attached to the first main body 351 a and is provided below the first rotation driving unit 352. The second rotation drive means 353 includes a drive source 353a, three gears 353b, 353c, 353d, and a shaft portion 353e. The gear 353b is connected to the drive source 353a, and the gears 353b and 353c are connected to each other. Engage vertically. The gear 353c and the gear 353d are attached to both ends of the shaft portion 353e. The shaft portion 353e is inserted into the main body portion 351a of the separating means 350 and is supported by a bearing 353f.
Since the gear 353d meshes with the small-diameter gear 343b of the first support shaft 341, the rotational driving force applied to the gear 353b by the driving source 353a of the second rotational driving means 353 is the gears 353b and 353c and the shaft portion 353e. To the gear 353d. The rotational driving force is transmitted from the gear 353d to the gear 212 via the small diameter gear 343b and the large diameter gear 343a of the first support shaft 341, and rotates the upper blade shaft 210.

The cutting blade shaft attaching / detaching device 400 is for removing the upper blade shaft 210 held by the holding portion 312 from the holding portion 312 and mounting the upper blade shaft 210 to the holding portion 312. And a transport unit 420 that moves the storage unit 410.
As shown in FIG. 1, the accommodating portion 410 includes a first accommodating arm 411 and a second accommodating arm 412 in order to support the two accommodated portions 215 provided on the upper blade shaft 210. .
Although the specific shape of the accommodating part 410 is formed according to the shape of the upper blade axis | shaft 210, as shown in FIG. 2, in the cutting device 1, it is formed in cross-sectional substantially U shape, and it faces upwards. Open. The accommodating part 410 is attached to the conveying part 420.

The conveyance unit 420 moves the storage unit 410 in the attaching / detaching direction of the upper blade shaft 210. In the cutting device 1, the accommodating portion 410 is moved in the vertical direction between the first standby position C above the exchange position B and the second standby position D below the exchange position B. When the holding body 310 is located at the replacement position B and the opening 313 of the holding portion 312 is opened upward as shown in FIG. 2, the vertical direction in which the accommodation portion 410 can move is The upper blade shaft 210 is attached and detached.
In addition, it can also comprise as the cutting blade axis | shaft replacement | exchange apparatus 2 by combining the cutting blade axis | shaft holding | maintenance apparatus 300 and the cutting blade axis | shaft attachment / detachment apparatus 400 (refer FIGS. 1-2).

Next, a method for replacing the cutting blade shaft in the cutting apparatus 1 will be described.
As described above, the cutting apparatus 1 cuts the workpiece by passing the workpiece between the upper blade shaft 210 and the lower blade shaft 220. Here, the replacement method will be described by taking the case of replacing the upper blade shaft 210 as an example.
4 to 10 are diagrams for explaining the flow of exchanging the upper blade shaft 210. FIG. Hereinafter, for convenience of explanation, the upper blade shaft 210 that has been used for cutting and needs to be replaced among the upper blade shafts 210 is referred to as a used upper blade shaft 210a, and the next cutting is performed instead of the used upper blade shaft 210a. The upper blade shaft used in the above is referred to as a replacement upper blade shaft 210b.
Further, as described above, the upper blade shaft 210 is held by the first holding arm 310a and the second holding arm 310b. However, for convenience of explanation, the first upper blade shaft holder is held by the first holding arm 310a. The 213 side will be described. Therefore, it is assumed that the second upper blade shaft holder 214 is actually held by the second holding arm 310b.

FIG. 4 is a diagram illustrating a state at the time of cutting or after the end of cutting. The used upper blade shaft 210a is held by the second holding portion 312b, and the upper blade shaft 210 is not held by the first holding portion 312a. The holding body 310 is at the cutting position A, and can be cut by passing the object to be cut between the used upper blade shaft 210a and the lower blade shaft 220.
On the other hand, the accommodating portion 410 of the cutting blade shaft attaching / detaching device 400 is in the first standby position C, and the replacement upper blade shaft 210b is accommodated in the accommodating portion 410. The replacement and position adjustment of the upper blade 211 of the replacement upper blade shaft 210b can be performed while being stored in the storage portion 410. The replacement upper blade shaft 210b can be accommodated in the accommodating portion 410 after the upper blade 211 is exchanged or adjusted in another place.

  Thereafter, as shown in FIG. 5, the holder 310 is moved from the cutting position A to the replacement position B. At this replacement position B, the holding body 310 stands by until the replacement upper blade shaft 210b is held by the first holding portion 312a where the upper blade shaft 210 is not held.

  And the accommodating part 410 is moved to the exchange position B, as shown in FIG. At this time, the replacement upper blade shaft 210b is held by the first holding portion 312a of the holding body 310. Specifically, referring to the state of the upper blade shaft 210 on the right side of FIG. 1, the first upper blade shaft holder 213 of the replacement upper blade shaft 210b is the first holding portion 312a of the first holding arm 310a. The second upper blade shaft holder 214 is held by the third holding portion 312c of the second holding arm 310b, and is fixed by the first cylinder 314 and the second cylinder 315 (see FIG. 1) as described above. Become. After the holding, the accommodating portion 410 is moved in the direction of the arrow shown in FIG.

Next, as shown in FIG. 7, the accommodating portion 410 is moved to the second standby position D. In this way, after the replacement upper blade shaft 210b is held by the first holding portion 312a, the holding portion 410 is moved to the second standby position D, whereby the replacement from the holding portion 410 to the first holding portion 312a is performed. The delivery of the upper blade shaft 210b is completed.
After this delivery is completed, the holding body 310 is rotated 180 ° in the direction of the arrow shown in FIG. 7 around the support shaft 340 (first support shaft 341). The accommodating part 410 is made to wait in the 2nd standby position D until this rotation is complete | finished.

  When the holder 310 is rotated in this manner, the positions and opening directions of the first holding part 312a and the second holding part 312b are reversed upside down as shown in FIG. 8, and the used upper blade shaft 210a, And the position of the replacement upper blade shaft 210b is also reversed left and right. Before and after the rotation, the positions of the used upper blade shaft 210a and the replacement upper blade shaft 210b are interchanged, but the relative positional relationship between the holding body 310, the cutting blade shaft attaching / detaching device 400, and the lower blade shaft 220 is substantial. It will not change. After the rotation, the accommodating portion 410 is moved in the arrow direction shown in FIG.

  Then, as shown in FIG. 9, when the storage unit 410 moves to the replacement position B, the used upper blade shaft 210 a is stored in the storage unit 410. Specifically, the two accommodated portions 215 of the used upper blade shaft 210a are accommodated in the first accommodation arm 411 and the second accommodation arm 412, respectively. At this time, the used upper blade shaft 210a fixed by the first cylinder 314 and the second cylinder 315 (see FIG. 1) is released.

After the accommodation, the accommodation unit 410 is moved in the direction of the arrow shown in FIG. 9 and is made to stand by at the first standby position C as shown in FIG. As described above, after the used upper blade shaft 210a is stored, the storage portion 410 is moved to the first standby position C, so that the used upper blade shaft 210a is transferred from the second holding portion 312b to the storage portion 410. Complete. After the used upper blade shaft 210a is moved to the first standby position C, the upper blade 211 can be replaced and the installation position can be adjusted while the used upper blade shaft 210a is housed in the housing portion 410. Moreover, the used upper blade axis | shaft 210a can be removed from the accommodating part 410, the replacement | exchange of the said upper blade 211, and adjustment of an installation position can also be performed.
Further, the holder 310 is moved to the cutting position A (in the direction of the arrow shown in FIG. 10), and the upper blade shaft 210b for replacement and the lower blade shaft 220 held by the first holding portion 312a are vertically opposed to each other and can be cut. To make sure
Thereafter, the housing 410 accommodates the used upper blade shaft 210a after the replacement of the upper blade 211, the adjustment of the installation position, the maintenance, etc., or another cutting blade shaft for replacement. Thus, the next upper blade shaft 210 is prepared for replacement.

According to the present embodiment as described above, the following operational effects can be achieved.
(1) While the used upper blade shaft 210a used for cutting is held by the holding portion 312b of the holding body 310, the replacement upper blade shaft 210b is held by the holding portion 312a, and the holding body 310 is rotated in this state. After that, since the replacement upper blade shaft 210b can be moved to the cutting position A and cutting can be resumed, the stop time of the cutting device accompanying the adjustment of the upper blade 211 of the used upper blade shaft 210a can be shortened. , Cutting work efficiency can be improved.

(2) Since the used upper blade shaft 210a is removed from the holding portion 312b before the replacement upper blade shaft 210b is moved to the cutting position A, it is used while cutting with the replacement upper blade shaft 210b. Replacement and maintenance of the finished upper blade 211, position adjustment of the upper blade 211, change of the number of sheets, and the like can be performed offline. Therefore, the work efficiency of adjusting the upper blade shaft 210 can be improved as compared with the case where cutting is stopped and the upper blade 211 of the upper blade shaft 210 is adjusted on the spot.

(3) The holding body 310 can hold the upper blade shaft 210 not only for exchanging the upper blade shaft 210 but also during cutting. That is, since a jig or the like used only for exchanging the upper blade shaft 210 is not necessary, the used upper blade shaft 210a is once moved to the replacement jig, and the replacement upper blade shaft 210b is moved from the replacement jig. It is possible to save the trouble of receiving the replacement jig. Therefore, the cutting work efficiency can be improved, and the configuration of the cutting apparatus can be simplified, downsized, and space can be saved.

(4) When the holding body 310 is at the replacement position B, the openings 313a and 313c and the openings 313b and 313d are open in the opposite directions, so that the attachment / detachment direction of the upper blade shaft 210 is the vertical direction. Therefore, the upper blade shaft 210 is transferred between the holder 310 and the cutting blade shaft attaching / detaching device 400 by moving the housing portion 410 in the vertical direction between the first standby position C and the second standby position D. can do. Therefore, the cutting blade shaft attaching / detaching device 400 can be exchanged quickly by the simple operation of the cutting blade shaft attaching / detaching device 400 to further improve the cutting work efficiency.

(5) Since the holding portion 312 is formed in a concave shape having the protruding portion 316 and the side wall portion 317, the side wall portion 317 suppresses the movement of the upper blade shaft 210 due to centrifugal force when the holding body 310 is rotated. can do. Therefore, it is not necessary to provide the holding body 310 with a special mechanism for strengthening the upper blade shaft 210, and the structure of the holding body 310 can be simplified.

Next, a second embodiment of the present invention will be described.
Here, in the description of the second embodiment, the same components as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted or simplified.
In the second embodiment, the same one as the pair of cutting blade shafts 200 and the cutting blade shaft holding device 300 described in the first embodiment is used, but the movable range of the accommodating portion 410 of the cutting blade shaft attaching / detaching device 400 is the same. Compared to the first embodiment, it is longer in the downward direction, and the accommodating portion 410 can move to a third standby position E that is further lower than the second standby position D of the first embodiment. Accordingly, a method for exchanging the upper blade shaft 210 is also different from the first embodiment.

FIG. 11 shows that after the replacement upper blade shaft 210b is held by the first holding portion 312a, the housing portion 410 is put on standby at the third standby position E, and the holding body 310 is rotated similarly to the first embodiment. FIG. 6 is a view showing a state in which the holding body 310 is moved from the exchange position B to the cutting position A.
In the first embodiment, the holder 310 is rotated and the holder 310 is moved to the cutting position A after the used upper blade shaft 210a is accommodated in the accommodating portion 410, whereas in the second embodiment, the holder 310 is moved. After moving to the cutting position A, the storage unit 410 is moved upward, and the used upper blade shaft 210a held by the second holding unit 312b is stored in the storage unit 410.
After the housing, the housing portion 410 is moved to the first standby position C, and the used upper blade shaft 210a is received from the holding body 310.

  In addition, in this embodiment, even if cutting is in progress, if there is a vacancy in the holding portion 312 of the holding body 310 at the cutting position A, the adjusted upper blade shaft 210 is accommodated in the accommodating portion 410 and the accommodating portion 410 is moved to the third standby position E, the adjusted upper blade shaft 210 is transferred to the vacant holding portion 312, and the adjusted upper blade shaft 210 is held in advance for the next cutting. it can.

According to the second embodiment as described above, the same operational effects as the (1) to (4) of the first embodiment can be exhibited, and the following operational effects can be achieved.
(6) Since the holding body 310 is moved to the cutting position A before the used upper blade shaft 210a is transferred from the second holding portion 312b to the housing portion 410, the holding body 310 is held to the cutting position A after the transfer is finished. Compared with the case where the body 310 is moved for cutting, the cutting work can be resumed more quickly, and the cutting work efficiency can be further improved.

(7) Since the adjusted upper blade shaft 210 can be held in the vacant holding portion 312 in preparation for the next cutting during cutting, the holding body 310 is moved to the replacement position B and immediately After the rotation, if the holder 310 is further moved to the cutting position A, cutting is performed more quickly than when waiting for the adjusted upper blade shaft 210 to be held by the holding portion 312 at the replacement position B. The work can be resumed, and the cutting work efficiency can be further improved.

In addition, this invention is not limited to embodiment mentioned above, The deformation | transformation shown below is included in the range which can achieve the objective of this invention.
For example, in the embodiment, the number of the holding units 312 provided in the holding body 310 is two. However, the number is not limited to this, and three or more holding units may be provided. And although the aspect which replace | exchanges the upper blade axis | shaft 210 was demonstrated in the said embodiment, it is applicable also to the aspect which replace | exchanges the lower blade axis | shaft 210. FIG.

  In addition, in the above-described embodiment, the accommodation unit 410 of the cutting blade shaft attaching / detaching device 400 is moved in the vertical direction, but is not limited thereto, and according to the number and shape of the holding units 312 of the holding body 310, the opening direction, and the like. What is necessary is just to determine the moving direction of the accommodating part 410. FIG. For example, when the holding portion 312 includes an opening in the radial direction of the shaft of the connecting shaft 330, the accommodating portion 410 is moved in the direction in which the opening opens.

  In addition, the rotation and movement of the holding body 310 and the movement of the housing portion 410 can be performed before the end of each operation unless the holding body 310 and the housing portion 410 are in contact with each other. For example, after the used upper blade shaft 210a is delivered to the storage unit 410, the holding unit 310 may be moved to the cutting position A and at the same time the storage unit 410 may be moved to the first standby position C.

  In addition, although the above embodiment has been described with respect to the configuration in which the upper blade shaft 210 and the lower blade shaft 220 are arranged to face each other in the vertical direction, the present invention is not limited thereto. For example, it may be configured by a pair of cutting blade shafts 200 arranged to face each other in the horizontal direction, and the object to be cut may be inserted between the cutting blade shafts 200 in the vertical direction.

  Furthermore, in the above-described embodiment, the case where the upper blade shaft 210 is rotatably held by the holding body 310 has been described. However, the rotation of the upper blade shaft 210 is suppressed and held according to the object to be cut. Also good.

  Further, a concave groove is provided in the accommodated portion 215 of the upper blade shaft 210, and a convex portion that engages with the concave groove is provided in the accommodating portion 410 of the cutting blade shaft attaching / detaching device 400. When the 210 is accommodated, the concave groove and the convex portion may be engaged with each other so as to be reliably accommodated in the accommodating portion 410.

  In the above embodiment, the upper blade shaft 210 is fixed by the cylinder. However, an openable / closable lid is provided in the holding portion 312 so that the opening 313 is covered when the lid is closed. . In this case, for example, when the holder 310 is moved or rotated, and when cutting is performed while holding the upper blade shaft 210 with the holder 310, the lid is closed and the first upper blade shaft holder 213 and the second upper blade are closed. The shaft holder 214 is prevented from being detached from the holding portion 312, and when the upper blade shaft 210 is attached / detached, the lid body is opened to facilitate delivery of the upper blade shaft 210 from the holder 310 to the cutting blade shaft attaching / detaching device 400.

In addition, it can also be set as the separation means 360 different from the said embodiment.
For example, FIG. 12 is a diagram illustrating a method of approaching and separating the upper blade shaft 210 and the lower blade shaft 220.
The separation means 360 pivotally supports the arm 362 about a pivotal support 363 provided on the upper end side of the column 361. One end of the arm 362 is pivotally supported by a pivotal support 363, and the other end is fixed to the main body 364 of the separating means 360. Although not shown in FIG. 12, actually, like the separating unit 350, the separating unit 360 includes two main body portions 364 that pivotally support both end sides of the support shaft 340. An arm 362 is fixed to the main body 364.
By rotating the arm 362 to the left by a predetermined angle, the upper blade shaft 210 held by the holding body 310 can be moved to the cutting position A (position indicated by a solid line in FIG. 12). On the other hand, the upper blade shaft 210 can be moved to the replacement position B by rotating the arm 362 to the right by a predetermined angle (position indicated by a two-dot chain line in FIG. 12).
In addition, the separating unit 360 can also have a configuration (such as a first rotation driving unit 352 that rotates the support shaft 340) other than the configuration in which the holding member 310 is moved up and down in the separating unit 350.

1 Cutting device 2 Cutting blade shaft replacement device 200 Cutting blade shaft 210a Used upper blade shaft 210b Replacement upper blade shaft 211 Upper blade (cutting blade)
300 Cutting blade shaft holding device 310 Holding body 312 Holding portion 313 Opening portion 340 Support shaft 350 Separating means 400 Cutting blade shaft attaching / detaching device 410 Storage portion 420 Conveying portion A Cutting position B Exchange position

Claims (6)

A holding body provided with a plurality of holding portions for holding a cutting blade shaft to which the cutting blade can be attached;
A support shaft that rotatably supports the holding body and has an axial direction parallel to the cutting blade shaft held by the holding portion ;
Separation means for moving the holding body between a cutting position where the object to be cut can be cut and an exchange position separated from the cutting position;
A cutting blade shaft holding device. The cutting blade shaft holding device according to claim 1,
A cutting blade shaft attaching / detaching device that has a storage portion that can store the cutting blade shaft, and that attaches and detaches the cutting blade shaft from the holding portion ,
The cutting blade shaft exchanging device , wherein the storage portion has two storage arms that support both ends of the cutting blade shaft. The cutting blade shaft holding device according to claim 1 or the cutting blade shaft replacement device according to claim 2;
A cutting apparatus comprising: a conveying roller that is provided at the cutting position and supports the conveyance of the object to be cut together with the cutting blade of the cutting blade shaft held in any of the plurality of holding units. The cutting blade shaft holding device according to claim 1 or the cutting blade shaft replacement device according to claim 2;
A cutting apparatus comprising: a second cutting blade that is provided at the cutting position and that cuts the workpiece together with the cutting blade of the cutting blade shaft held in any of the plurality of holding portions. A cutting blade shaft replacement method using the cutting blade shaft holding device according to claim 1,
A step of moving the holding body to the replacement position while holding a used cutting blade shaft, which is a cutting blade shaft that has been cut at the cutting position, by one holding portion among the plurality of holding portions;
Replacing the cutting blade shaft of the replacement cutting blade shaft which is a cutting blade shaft for performing the next cutting, or adjusting the installation position of the cutting blade;
Holding the cutting blade shaft for replacement in a holding unit different from the one holding unit;
Rotating the holding body around the support shaft having an axial direction parallel to the cutting blade axis held by the holding portion ;
And a step of moving the holding body to the cutting position. A cutting blade shaft replacement method using the cutting blade shaft replacement device according to claim 2,
A step of moving the holding body to the replacement position while holding a used cutting blade shaft, which is a cutting blade shaft that has been cut at the cutting position, by one holding portion among the plurality of holding portions;
A step of supporting and accommodating both ends of the cutting blade shaft for replacement, which is a cutting blade shaft for performing the next cutting, on the two storage arms ;
Replacing the cutting blade of the replacement cutting blade shaft, or adjusting the installation position of the cutting blade;
Moving the accommodating portion accommodating the cutting blade shaft for replacement, and holding the cutting blade shaft for replacement in a holding portion different from the one holding portion;
Rotating the holding body around the support shaft having an axial direction parallel to the cutting blade axis held by the holding portion ;
And as factories to the spent cutting blade shaft by moving the accommodating portion Ru is accommodated is supported on the two housing arms,
And a step of moving the holding body to the cutting position.

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