JP6884300B2 - Processing equipment and sheet processing method - Google Patents

Description

The present invention relates to a processing apparatus and a method for processing a sheet.

Conventionally, there is known a processing apparatus that processes a conveyed sheet by a processing unit. Patent Document 1 below discloses a pressing roller that presses one transport roller toward the other transport roller in order to improve the transport accuracy of the pair of transport rollers that transport the sheet.

JP-A-2007-392222

In the device described in Patent Document 1, when the transport roller pressed by the pressing roller is made of a flexible material, the same portion of the transport roller is pressed by the pressing roller for a long time when the device is transported or the like. As a result, the transport roller is deformed, which has a problem of adversely affecting the accuracy when transporting the sheet.

An object of the present invention is to provide a processing apparatus capable of suppressing damage to the surface of a flexible transport roller and accurately transporting a sheet.

In order to solve the above problems, in the processing apparatus of the present invention, when the sheet is conveyed by the pair of conveying rollers for conveying the sheet and the pair of conveying rollers, the sheet is conveyed while being sandwiched by both conveying rollers. A processing apparatus including an urging member for urging a pair of transfer rollers and a processing unit for performing a predetermined processing process on a sheet conveyed by the pair of transfer rollers. , At least one of the transport rollers has a flexible surface, and the urging force releasing mechanism for releasing the urging force by the urging member and the transport roller having a flexible surface are directed toward the other transport roller. A pressing roller for pressing is provided, and a pressing force releasing mechanism for releasing the pressing force by the pressing roller is provided, and both the urging force of the pair of transport rollers and the pressing force by the pressing roller are released at once. Members are provided .

Further, in the above configuration, the urging force releasing mechanism is provided with an automatic releasing means for automatically releasing the urging force by the urging member.

Then, in each of the above configurations, the urging force releasing mechanism is provided with a manual releasing means for manually releasing the urging force by the urging member.

Further, in each of the above configurations, a plurality of a pair of transfer rollers are installed along the transfer path of the sheet, and a batch release means for collectively releasing the urging force of the plurality of urging members for urging the pair of transfer rollers. Prepared.

Further, in the processing apparatus of the present invention, when the separating member is sandwiched between the rotating shafts of the pair of transport rollers and the sandwiched portion is sandwiched between the rotating shafts. A portion is provided which faces the insertion portion via the rotation shaft and extends so as to gradually approach the insertion portion as it advances toward the tip portion .

According to the present invention, the surface of at least one of the pair of transport rollers has flexibility, and the urging force releasing mechanism for releasing the urging force by the urging member and the surface have flexibility. A pressing roller for pressing one transfer roller toward the other transfer roller is provided, and a pressing force releasing mechanism for releasing the pressing force by the pressing roller is provided, and the urging force of the pair of conveying rollers and the pressing are provided. Since the member for releasing both the pressing force by the roller and the pressing force by the roller is provided at the same time, it is possible to easily prevent the surface of the flexible transport roller from being damaged.

Further, when the urging force releasing mechanism is provided with an automatic releasing means for automatically releasing the urging force by the urging member, the urging force can be easily released.

Then, when the urging force releasing mechanism is provided with the manual releasing means for manually releasing the urging force by the urging member, the urging force of the urging member can be appropriately released when necessary.

When a plurality of a pair of transfer rollers are installed along the transfer path of the sheet and a batch release means for collectively releasing the urging force of the plurality of urging members for urging the pair of transfer rollers is provided, a plurality of transfer rollers are provided. The urging force of the urging member can be easily released.

Further, the separating member is formed by the insertion portion sandwiched between the opposing rotation shafts of the pair of transport rollers and the rotation of the insertion portion when the gap portion is sandwiched between the rotation shafts. Since a portion that faces the shaft via the shaft and extends so as to gradually approach the gap portion as it advances to the tip portion is provided, the separating member can be easily attached to and detached from the rotating shaft.

It is a schematic vertical sectional view of the processing apparatus which concerns on one Embodiment of this invention. It is the figure which looked at the transport part of the processing apparatus from the upstream side. FIG. 2 is an enlarged cross-sectional view taken along the line AA in FIG. It is a partially enlarged view of the release mechanism of the transport part. FIG. 4 is an enlarged cross-sectional view taken along the line BB in FIG. It is a partially enlarged view of the release mechanism of the transport part. It is a top view which shows an example of the processing processing pattern of the sheet processed by the processing processing apparatus. It is a partially enlarged view of the release mechanism of the processing processing apparatus which concerns on other embodiment of this invention. It is an enlarged view of the locking tool and the locking end portion of the release mechanism. It is a partially enlarged view of the release mechanism. It is a figure which looked at the transport part of the processing apparatus which concerns on still another Embodiment of this invention from the upstream side. FIG. 11 is an enlarged cross-sectional view taken along the line CC in FIG. It is a usage mode diagram of the said transport part. It is a usage mode diagram of the said transport part. It is a usage mode diagram of the said transport part. It is sectional drawing which shows the installation state of the engaging pin of the said transport part. It is an enlarged view of the release mechanism of the processing processing apparatus which concerns on still another Embodiment of this invention. It is a usage figure of the release mechanism. It is an enlarged sectional view of the release mechanism of the processing apparatus which concerns on still another Embodiment of this invention. It is a usage figure of the release mechanism.

(First Embodiment)
A first embodiment of the processing apparatus according to the present invention will be described with reference to the drawings.
[Overall configuration of processing equipment]
FIG. 1 is a schematic vertical sectional view of a processing apparatus according to the present invention. In FIG. 1, the processing apparatus 100 includes a transport unit 4 for transporting the sheet S. A supply unit 3 is provided at the upstream end of the sheet S of the apparatus main body 10 in the transport direction F. At the downstream end of the apparatus main body 10 in the transport direction F, a mounting portion 2 is provided on which the processed product Q obtained by subjecting the sheet S to a predetermined machining treatment is placed. A substantially horizontal transport path 5 is configured between the supply section 3 and the mounting section 2.

A processing unit 6 for processing the sheet S to be conveyed is installed in the transfer path 5. In FIG. 1, a cutting unit 9 and a crease processing unit 21 are provided as the processing unit 6. The cutting unit 9 is composed of three slitter processing units 29 and a cutter processing unit 22. When the crease processing unit 21 and the cutter processing unit 22 stop the transportation of the sheet S by the conveying unit 4, a predetermined processing process is performed in a direction intersecting the conveying direction F of the sheet S.

The slitter processing unit 29, the crease processing unit 21, and the cutter processing unit 22 are each configured as a detachable unit, and have a structure that can be attached to and detached from a desired position in the apparatus main body 10 by a cassette method. Therefore, depending on the type of processing, the arrangement order of each processing unit 6 may be changed, or a mechanism for performing crease processing along the transport direction F, a chamfering mechanism, a perforation forming mechanism, or another processing unit may be used. It can be replaced or added.

A reading unit 26 and a reject mechanism 25 are arranged on the upstream side of the slitter processing unit 29, and a paper fragment dropping mechanism 27 is arranged on the downstream side of the slitter processing unit 29. Further, a paper piece collecting unit 23 is arranged at the lower part in the apparatus main body 1.

[Supply unit 3]
A paper feed roller 8 is arranged in the supply unit 3. Further, the supply unit 3 has a built-in suction transfer belt mechanism 51, and a predetermined number of sheets S loaded on the supply stand 52 are loaded from above by the suction transfer belt mechanism 51 and a pair of upper and lower paper feed rollers 8. In order, the sheets are supplied to the transport path 5 one by one. The paper feed roller 8 and the suction transfer belt mechanism 51 form a transfer unit 4 for transporting the sheet S. Of the pair of paper feed rollers 8, the lower paper feed roller 81 and the suction transfer belt mechanism 51 are connected to the paper feed drive unit 47, and the paper feed drive unit 47 is electrically connected to the control unit 45. There is. The paper feed drive unit 47 is composed of a transfer motor.

[Reading unit 26]
The reading unit 26 constitutes a setting unit that automatically reads and sets the processing processing information in addition to the manual input of various processing processing information by the operation panel 46. Specifically, the image of the position mark M1 (see FIG. 7) printed on the corner of the front end portion of the sheet S is read, and the sheet S is processed in the transport direction F and the width direction W orthogonal to the transport direction F. It is composed of a CCD sensor or the like that detects a reference position and reads an image of a barcode M2 printed on the front end portion of the sheet S to acquire various processing information to be applied to the sheet S. The processing information includes, for example, the total length and width of the sheet S in the transport direction F, the position information of the cutting lines T and K by the slitter processing unit 29 as the cutting unit 9 and the cutter processing unit 22, and the crease processing unit 21. Examples include position information of the folding line C, and information on the dimensions, number, and arrangement of the processed product Q obtained by these processing.

[Reject mechanism 25]
When the position mark M1 and the bar code M2 printed on the sheet S are unclear and cannot be read by the reading unit 26, the reject mechanism 25 of FIG. 1 operates on the sheet S and reads the sheet S. The impossible sheet S is dropped and collected by the tray 24.

[Slitter processing unit 29]
The slitter processing unit 29 arranges three units in the transport direction F, and in each unit, two sets of a pair of cutting blades 36 composed of upper and lower rotary blades are arranged at intervals in the width direction W. There is. By rotating each of the lower rotary blades with the driving force of the rotary blade drive unit 48, the transfer unit 4 cuts along the transfer direction F and forms a cutting line T with respect to the sheet S. .. The positions of the two sets of upper and lower cutting blades 36 in the width direction W can be arbitrarily changed.

In the most upstream unit 29a, a margin dropping member 55 is installed on the downstream side of the cutting blade 36. In the most upstream unit 29a, unnecessary paper pieces Jm (see FIG. 7) at the left and right edge edges of the sheet S are mainly cut off. The margin dropping member 55 guides the left and right edge paper pieces Jm cut by the cutting blade 36 to the paper piece collecting unit 23 and drops them.

[Paper piece dropping mechanism 27]
The paper piece dropping mechanism 27 cuts the sheet S along the transport direction F by the transport unit 4 at the unit 29b at the center of the transport direction F and the unit 29c at the most downstream of the three units of the slitter processing unit 29. A piece of paper Jc in the middle of the sheet S, which is cut off along the transport direction F and is no longer needed, is removed below the transport path 5. The paper piece dropping mechanism 27 can be configured to move, for example, with the movement of the cutting blade 36 of the most downstream unit 29c in the width direction W, and when the sheet S passes through the paper piece dropping mechanism 27, the paper piece is said to move. Guide Jc to the paper piece collection unit 23 and drop it.

[Crease processing unit 21]
In the crease processing unit 21, a valley fold line C is formed on the sheet S along a direction intersecting the transport direction F. The crease processing unit 21 includes a pair of upper and lower folding molds 37. The folding mold 37 includes a concave mold 39 having a concave portion at the upper end and being installed below the transport path 5, and a convex mold 38 having a convex portion at the lower end that can be inserted into the concave portion of the concave mold 39. The convex shape 38 is arranged above the concave shape 39 so as to face each other. The convex 38 is connected to a folding drive unit 49 such as a motor via a power transmission mechanism. That is, by lowering the convex shape 38 by the driving force of the folding type driving unit 49, a valley fold folding line C is formed with respect to the seat S in the width direction W orthogonal to the transport direction F.

[Cutter processing unit 22]
In the cutter processing unit 22, the sheet S is cut in a direction intersecting the transport direction F. Then, in the first embodiment, the cutter processing unit 22 cuts the sheet S in a direction orthogonal to the transport direction F. The cutter processing unit 22 includes a pair of cutting blades 41 extending in the width direction W and consisting of an upper movable blade 53 and a lower fixed blade 54 facing each other. The upper movable blade 53 is closely separated from the lower fixed blade 54, whereby the sheet S is cut at a predetermined position set along the width direction W orthogonal to the transport direction F. The upper movable blade 53 is connected to a cutting drive unit 50 such as a motor via a power transmission mechanism (not shown).

[Placement 2]
The mounting portion 2 includes a mounting table 57 and a stopper 58. On the mounting table 57, the sheet S discharged by the 10th transport unit 20 is mounted. The mounting table 57 can be raised and lowered by an elevating means (not shown), and a plurality of processed objects Q loaded on the mounting table 57 at a position lower than the discharge height of the seat S by the tenth transport unit 20 by a predetermined amount. It is adjusted so that the highest processed product Q is located. Therefore, as the processing of the sheet S progresses and the load capacity of the processed material Q increases, the mounting table 57 is gradually lowered.

[Paper piece collection unit 23]
The paper piece collecting unit 23 includes a paper piece storage box 65 and guides 69 and 70. The paper piece storage box 65 is formed in a rectangular parallelepiped shape having an upper opening. The paper piece storage box 65 collects and stores the paper piece J, which is the sheet S that is cut off at the cutting portion 9 and is no longer needed. The guides 69 and 70 are cut off at the cutting portion 9 and guide the unnecessary pieces of paper J that fall to the paper piece storage box 65.

[Control unit 45]
The control unit 45 has a built-in storage device such as a CPU, RAM, and ROM, and the operation panel 46 and the reading unit 26 are electrically connected to the interface of the control unit 45. The control unit 45 controls the operation of the entire processing apparatus 100. Then, the control unit 45 acquires the information from the first to fifth detection units 31 to 35, and based on the processing information of the sheet S set by the operation panel 46 or the reading unit 26, the supply unit 3 and the transport unit 4 and the drive of each processing unit are controlled to process the sheet S.
[Transport section 4]
The transport unit 4 includes first transport units 11 to 10 transport units 20 installed at intervals along the transport path 5. Further, the transport unit 4 includes a paper feed roller 8 and a suction transport belt mechanism 51 that form a supply unit 3. The first transport units 11 to 10 transport units 20 include a pair of upper and lower transport rollers 61 and 62 that transport the sheets S, respectively.

The first to tenth transport units 11 to 20 constituting the transport unit 4 are connected to the transport drive units 41 to 44 via a power transmission mechanism 40 (see FIG. 2), respectively, and the transport drive units 41 to 44 are connected to each other. Is electrically connected to the control unit 45. The transfer drive units 41 to 44 are composed of a transfer motor. As the type of transfer motor, a stepping motor, a DC motor, a servo motor and the like can be used.

FIG. 2 is a view of the first transport unit 11 as viewed from the upstream side in the transport direction F. The second to tenth transport units 12 to 20 have substantially the same configuration as the first transport unit 11. The first transport unit 11 includes a pair of transport rollers 61 and 62, and further includes a pressing roller 63. The lower transfer roller 61 is installed below the transfer surface of the seat S, and the upper transfer roller 62 is installed above the transfer surface of the sheet S so as to face the lower transfer roller 61. A pressing roller 63 is installed above the upper transport roller 62.

The lower transport roller 61 is made of a metal such as stainless steel, aluminum, or copper, or is formed by coating the surface of a metal cylinder with hard rubber. The lower transfer roller 61 rotates together with the rotating shaft 211. Both ends of the rotating shaft 211 are supported by bearings 215 via bearings. The bearing 215 is fixed to the side wall 101 of the apparatus main body 10. As a result, the lower transport roller 61 rotates at a position fixed with respect to the device main body 10.

The upper transport roller 62 is configured by coating the surface of a metal cylinder with a sponge and further coating it with a thin rubber. Therefore, the surface of the upper transfer roller 62 has flexibility. The upper transport roller 62 rotates together with the rotating shaft 221. Both ends of the rotating shaft 221 are supported by bearings 225 via bearings. The bearing 225 is urged by an urging member 66 such as a spring, and is provided on the side wall 101 of the apparatus main body 10 so as to be vertically movable. As a result, when the seat S is conveyed by the pair of upper and lower transfer rollers 61, 62, the urging member 66 uses the pair of transfer rollers 61, 62 so as to transfer the sheet S while being pinched by both transfer rollers 61, 62. Bounce. The urging member 66 constitutes an upper transport roller urging member 64 that urges the upper transport roller 62.

A plurality of pressing rollers 63 are installed in the axial direction thereof. The length of one pressing roller 63 is set to 10% or more and 50% or less of the axial length of the upper transport roller 62. That is, the axial length of one pressing roller 63 is shorter than that of the upper transport roller 62. The plurality of pressing rollers 63 include a central pressing roller 632 installed at the axial center of the upper transport roller 62, a right pressing roller 631 installed on the right side of the center pressing roller 632, and a left pressing roller installed on the left side. It is composed of 633. The length from the right end of the right pressing roller 631 to the left end of the left pressing roller 633 is approximately equal to or slightly longer than the length of the upper transport roller 62. Will be done.

Both ends of the pressing rollers 613 to 633 in the axial direction are chamfered. The pressing roller 63 is supported by the support shaft 231 via a bearing. That is, the pressing roller 63 rotates with respect to the support shaft 231 and the support shaft 231 itself does not rotate. Both ends of the support shaft 231 are urged downward by a pressing urging member 87 such as a spring, and the upper transport roller 62 is pushed downward over a substantially overall length. A guide member 71 is inserted through the pressing urging member 87 so that the installation position is less likely to shift. The guide member 71 is composed of a screw hanging from the upper support member 70. The upper support member 70 supports the support shaft 231 of the pressing roller 63 installed above the pressing roller 63.

Further, the transport unit 4 includes a release mechanism 67. The release mechanism 67 releases the urging force by the urging members 66 and 87 when the sheet S is not processed by the processing device 100 during transportation of the processing device 100 or during the processing operation. The release mechanism 67 includes an urging force release mechanism 671 and a pressing force release mechanism 672. When the sheet S is conveyed by the pair of transfer rollers 61, 62, the urging force release mechanism 671 urges the pair of transfer rollers 61, 62 so that the sheet S is conveyed while being pinched by both transfer rollers 61, 62. Release the urging force. That is, the urging force of the urging member 66 that urges the upper transport roller 62 toward the lower transport roller 61 is released.

The urging force releasing mechanism 671 includes a separating member 674 that is sandwiched between the opposing rotating shafts 211 and 221 of the pair of transport rollers 61 and 62 and separates the two transport rollers 61 and 62 by a predetermined amount. In the first transport unit 11 shown in FIG. 2, the separation member 674 is detachably installed on the rotation shaft 221 between the left and right side plates 101 and the upper transport roller 62, respectively.

FIG. 3 is an enlarged view of the separation member 674, the rotating shafts 211 and 221 of the upper and lower transport rollers 61 and 62, and the urging member 66 in the cross-sectional view taken along the line AA of FIG. The figure shows a state in which the separating member 674 is attached to the apparatus main body 10. The separating member 674 is formed in a U-shape in a side view. The upper 675 and the lower 677 of the separating member 674 face each other and extend in a substantially horizontal direction. The connecting portion 676 connecting the upper portion 675 and the lower portion 677 of the separating member 674 comes into contact with the right side of the rotating shaft 221 in FIG. 3 and extends in the vertical direction. The upper portion 675 and the connecting portion 676 of the separating member 674 come into contact with the upper portion of the rotating shaft 221 of the upper transport roller 62 and the upstream side of the seat S in the transport direction F, and are locked to these.

The lower part 677 of the separating member 674 constitutes a difference sandwiching portion 678 inserted between the rotating shaft 211 of the lower transport roller 61 and the rotating shaft 221 of the upper transport roller 62. When the insertion portion 675 is inserted between the two rotating shafts 211 and 221, the contact state of the two transport rollers 61 and 62 is released, and the two transport rollers 61 and 62 have a predetermined length so as to be separated by a predetermined amount L1. It is formed in L2. The vertical length L2 of the gap portion 678 in FIG. 3 is formed to be longer than the distance between the upper and lower rotating shafts 211 and 221 in a state where the upper and lower transport rollers 61 and 62 are in contact with each other. The length of the insertion portion 678 in the vertical direction is shorter toward the downstream side in the transport direction F of the sheet S. The separating member 674 constitutes a manual release means for manually releasing the urging force of the urging member 66.

The pressing pressure release mechanism 672 shown in FIG. 2 releases the pressing force of the pressing roller 63 that presses at least one of the pair of conveying rollers 61, 62 toward the other conveying rollers 62, 61. To do. The pressing force releasing mechanism 672 according to the first embodiment releases the pressing force of the pressing roller 63 that presses the upper conveying roller 62 toward the lower conveying roller 61 to the upper conveying roller 62. The pressing roller 63 is supported by the side wall 101 of the apparatus main body 10 via the pressing pressure releasing mechanism 672.

The pressing force release mechanism 672 includes a support base 69, an upper support member 70, a locking portion 72, and a release urging member 73. The support base 69 is supported by the left and right side walls 101 of the apparatus main body 10 at a position substantially the same height as the support shaft 231 of the pressing roller 63, and extends substantially horizontally toward the central portion in the width direction. FIG. 4 is an enlarged view of the pressing force releasing mechanism 672 and its surroundings. The support base 69 is formed by bending in a U-shape in a vertical cross section. The upper surface of the support base 69 is composed of a release urging member 73 and a support plate 68 that supports the upper support member 70. A locking hole 74 for locking the upper support member 70 to the side wall 101 of the apparatus main body 10 is provided in the support plate 68 at a position approximately one-third from the substantially central portion in the longitudinal direction of the support base 69 or the side wall 101. It is formed so as to penetrate in the vertical direction. A locking screw 90 constituting the locking portion 72 is screwed into the locking hole 74.

As shown in FIG. 2, the upper support member 70 is located above the pressing roller 63 and is installed along the longitudinal direction of the pressing roller 63. Both ends of the upper support member 70 in the width direction are provided with locking end portions 79 that engage with the locking portions 72 and lock the upper support member 70 to the support base 69. As shown enlarged in FIG. 4, the locking end portion 79 is provided with a holding portion 88 that engages with the locking screw 90 of the locking portion 72. The sandwiching portion 88 is installed so as to face above the support plate 68. The sandwiching portion 88 is sandwiched by the locking screw 90 and the support plate 68 at the pressing position where the pressing roller 63 presses the upper transport roller 62. A through hole 86 through which the locking screw 90 is inserted is formed in the sandwiching portion 88 so as to penetrate in the vertical direction.

Further, the upper support member 70 includes a support shaft holding portion 80 for holding the pressing roller 63. The support shaft holding portion 80 holds the support shaft 231 of the pressing roller 63. The support shaft holding portion 80 is housed inside a long portion 81 in which a side plate 77 constituting the upper support member 70 is formed to be long downward and the long portion 81 on the upstream side in the transport direction F of the sheet S, and is screwed. It includes a hanging 78 fixed by 84.

FIG. 5 is a cross-sectional view taken along the line BB of FIG. The hanging portion 78 is formed in an L-shape in a lateral view. The bottom plate portion 83 forming the lower portion of the hanging portion 78 supports the support shaft 231 of the pressing roller 63 from below. The support shaft holding portion 80 includes a pair of long portions 81 and 81 facing the upstream side and the downstream side of the sheet S in the transport direction F, a bottom plate portion 83 extending in the horizontal direction of the hanging portion 78, and an upper support member 70. The support shaft 231 of the pressing roller 63 and the pressing urging member 87 for urging the support shaft 231 are housed in the space surrounded by the top plate 76 constituting the above.

The top plate 76 connects the upper portions of the side plates 77, 77 facing the upstream side and the downstream side of the transport direction F of the sheet S. The top plate 76 and the side plates 77 and 77 facing each other are made of the same member, and a metal plate material is formed by being bent in a U-shape in a vertical cross section.

In this way, the support shaft 231 of the pressing roller 63 is held by the support shaft holding portion 80, and the support shaft holding portion 80 is formed by the long portion 81, the bottom plate portion 83, and the top plate 76 facing the bottom plate portion 83. It is housed in an enclosed space. The lower portion of the support shaft 231 is supported by the bottom plate portion 83 of the hanging portion 78, and the front and rear are held by the side plates 77. A pressing urging member 87 is housed in the support shaft holding portion 80, and is urged downward by the pressing urging member 87.

A pair of locking portions 72 are provided at both ends in the width direction of the upper support member 70. The locking portion 72 locks the upper support member 70 on the support base 69. The locking portion 72 includes a locking screw 90 and two nuts 91. The locking screw 90 is inserted into a through hole 86 provided in the locking end 79 of the upper support member 70 and screwed into the locking hole 74 provided in the support base 69. Further, the lower portion of the locking screw 90 is screwed into two nuts 91 for preventing the locking screw below the support plate 68.

The locking screw 90 is composed of, for example, a hexagon socket head cap screw. The locking screw 90 is manually rotated to move back and forth with respect to the locking hole 74. The outer diameter of the male screw portion 82 of the locking screw 90 is set to be smaller than the diameter of the through hole 86, and the male screw portion 92 of the locking screw 90 can freely move in the vertical direction in the through hole 86. On the other hand, since the locking hole 74 of the support base 69 is screwed into the male screw portion 92 of the locking screw 90, the locking screw 90 is rotated in a predetermined direction by a predetermined amount, so that the locking screw 90 Is screwed back and forth with respect to the locking hole 74 of the support base 69. Two nuts 91 are installed to prevent loosening.

The release urging member 73 is installed between the support shaft holding portions 80 and the locking end portions 79 provided at both left and right ends of the upper support member 70. The release urging member 73 is composed of an elastic body such as a spring. The release urging member 73 is housed in a space formed by a top plate 76, a side plate 77, and a support base 69. Then, the release urging member 73 is urged in a direction in which the lower portion is in contact with the support plate 68 and the upper portion is in contact with the top plate 76, and the two are separated from each other. A guide member 94 composed of screws hanging from the top plate 76 is inserted into the release urging member 73, so that the installation position is less likely to shift.

The pressing roller 63 is moved between the pressing position shown in FIG. 6 for pressing the upper conveying roller 62 and the releasing position shown in FIG. 4 for releasing the pressing force on the upper conveying roller 62. At the pressing position shown in FIG. 6, the locking screw 90 is manually rotated in a predetermined direction by the hexagonal hole 95, so that the locking screw 90 is screwed into the locking hole 74 of the support base 69 and is positioned at the lowest point. .. At this time, the locking screw 90 sandwiches the sandwiching portion 88 of the locking end portion 79 with the support plate 68, and positions the upper support member 70 at the lowest position.

At this pressing position, both the release urging member 73 and the pressing urging member 87 are in a compressed state. The release urging member 73 is in a state of being compressed between the top plate 76 and the support plate 68, but since the upper support member 70 is fixed to the lowest pressing position by the locking screw 90, the release urging member 73 is attached for release. The installation position of the upper support member 70 cannot be set to a higher position due to the urging force of the force member 73.

Further, the pressing urging member 87 comes into contact with the upper portion of the support shaft 231 of the pressing roller 63 whose lower portion is supported by the bottom plate portion 83. Then, the support shaft 231 is urged downward. As a result, the pressing roller 63 is pressed against the upper transport roller 62.

On the other hand, at the release position shown in FIG. 4, the locking screw 90 is positioned at a release position that is a predetermined amount higher than the pressing position shown in FIG. At the release position, the locking screw 90 is screwed back by rotating the locking screw 90 in the direction opposite to that at the pressing position shown in FIG. At this release position, the locking screw 90 and the support base 69 release the sandwiching portion 88 of the locking end portion 79 from the sandwiched state, resulting in a non-pinched state. Then, the locking screw 90 locks the upper support member 70 so as to be vertically movable by inserting the male screw portion 92 into the through hole 86 and guiding the locking screw 90.

Further, at this time, the release urging member 73 urges the upper support member 70 upward with respect to the support base 69. From this, the release urging member 73 presses the pressing roller 63 in which the support shaft 231 is held by the support shaft holding portion 80 of the upper support member 70 by urging the pressing roller 63 upward to a position higher than the pressing position. The roller 63 is separated from the upper transfer roller 62 to release the pressing force.

At the release position, the pressing urging member 87 is released from compression and is in a state in which nothing is urged. The pressing urging member 87 is formed to be slightly shorter than the length from the upper end of the support shaft 231 of the pressing roller 63 at the release position to the lower surface of the top plate 76 of the upper support member 70. The pressing urging member 87 does not reach the height position of the top plate 76 of the upper support member 70 pushed upward by the releasing urging member 73 at the releasing position, and is released from compression.

Further, the first to fifth detection units 31 to 35 for detecting a predetermined position of the sheet S are arranged in the transport path 5. In the first embodiment, the first to fifth detection units 31 to 35 are of a light transmission type that detects both the front end (downstream side edge) Sf and the rear end (upstream side edge) Sr of the sheet S. It is composed of sensors. The first to fifth detection units 31 to 35 are installed at intervals on the transport path 5. The first to fifth detection units 31 to 35 are electrically connected to the interface of the control unit 45, respectively.

The first detection unit 31 on the most upstream side in the transport direction F of the sheet S is arranged near the upstream side of the reading unit 26, and the next second detection unit 32 is arranged near the upstream side of the slitter processing unit 29. The next third detection unit 33 is arranged in the middle of the slitter processing unit 29, and the next fourth detection unit 34 is arranged near the upstream side of the crease processing unit 21. The fifth detection unit 35 on the most downstream side is installed on the downstream side in the transfer direction F from the installation position of the cutter processing unit 22 as the processing unit 6 on the transfer path 5. The fifth detection unit 35 is arranged between the ninth transport unit 19 and the tenth transport unit 20 which are arranged adjacent to each other in the front-rear direction.

After the sheet S is supplied from the supply unit 3, the first detection unit 31 detects the front end Sf or the rear end Sr of the sheet S sandwiched by the transfer roller 9, and transfers the sheet S with reference to the detected sheet S position. The position of each sheet S conveyed on the route 5 is uniquely detected.

The second detection unit 32 to the fifth detection unit 35 detect the jam on the sheet S. Further, the fourth detection unit 34 and the fifth detection unit 35 prepare for the case where the transfer path 5 becomes long and the positional deviation (transport error) of the sheet S on the transfer path 5 in the transfer direction F occurs. The sheet position information obtained by the first detection unit 31 is modified and installed in order to make the sheet position information more accurate. Then, the fifth detection unit 35 detects the front end Sf or the rear end Sr of the sheet S when the sheet S cut by the cutter processing unit 22 as the processing unit 6 is discharged to the mounting unit 2. ..

[Sheet processing pattern]
FIG. 7 is a plan view showing an example of a processing pattern of the sheet S. The processing pattern shown in the figure is such that four processed objects Q having a fold line C are produced from one sheet S. Basically, four cutting lines T extending in parallel with the transport direction F, two folding lines C extending in the width direction W, and four cutting lines K extending in the width direction W are set. The two folding lines C and the cutting line K are formed by cutting the sheet S by the cutting line T in parallel with the transport direction F and removing the long pieces of paper Jm and Jc cut from the sheet S in the width direction W. It is formed by simultaneously performing a crease treatment or a cutting treatment a plurality of times on the cut pieces of the two sheets S arranged in the same direction.

In the processing pattern of the sheet S shown in FIG. 7, since there are four cutting lines T parallel to the transport direction F by the slitter processing unit 29, the central unit 29b or the most downstream of the slitter processing unit 29. Only one of the units 29c is moved to a predetermined position in the width direction W for cutting processing, and the other is moved to the outside of the transport path 5 of the sheet S to stand by.

Various processing information to be applied to the sheet S regarding the processing pattern of the sheet S is set by the user using the operation panel 46, or is recorded in the barcode M2 of the sheet S. .. The various processing information includes the size of the sheet S, the strength of the stiffness, the thickness, the type, the arrangement, the number and dimensions of the processed material Q, the size of the unnecessary piece J cut from the sheet S, and the transport direction. Information on the processing of the sheet S such as the length and number in a predetermined direction such as F and the width direction W is included.

[Overview of the overall work of the processing equipment]
(1) From the operation panel 46 shown in FIG. 1, the user inputs various processing processing information. In addition, instead of this manual input, or in cooperation with the manual input, the processing processing information can be automatically input by reading the barcode M2 or the like by the reading unit 26.

(2) The plurality of sheets S loaded on the supply base 52 of the supply unit 3 of FIG. 1 are supplied to the transfer path 5 one by one from the upper end by the suction transfer belt mechanism 51 and the paper feed roller 8. Then, the control unit 45 controls the drive of the supply drive unit 47 and the transfer drive units 41 to 44, so that the sheet S on the transfer path 5 is conveyed to the downstream side at a predetermined transfer speed.

In the transport unit 4, the locking screw 90 is rotated in a predetermined direction in advance before the processing of the seat S is started, and the pressing force releasing mechanism 672 is set to the pressing position shown in FIG. Further, the separating member 674 is removed from the device main body 10. In the first transport unit 11, when the transport drive unit 41 is driven, the lower transport roller 61 rotates, the upper transport roller 62 rotates in accordance with the rotation, and the pressing roller 63 rotates in accordance with the rotation. Then, the sheet S is conveyed with the rotation of both the conveying rollers 61 and 62 in a state of being sandwiched between the lower conveying roller 61 and the upper conveying roller 62.

At this time, the upper transfer roller 62 is movable toward the lower transfer roller 61, and is pushed toward the lower transfer roller 61 by the pressing rollers 63 at the central portion in the axial direction of the upper transfer roller 62 and both sides thereof. Therefore, the sheet S is properly sandwiched between the transport rollers 61 and 62 over the entire axial direction.

Moreover, since both ends of the pressing roller 63 in the axial direction are chamfered, it is possible to prevent the flexible surface of the upper transport roller 62 from being damaged by the pressing roller 63.

(3) When the sheet S is conveyed by the suction transfer belt mechanism 51, the paper feed roller 8, and the first transfer unit 11 and reaches the reading unit 26, the position mark M1 of the sheet S and the bar code M2, if necessary, are displayed. Various processing information to be read and applied to the sheet S is acquired.

(4) If the reject mechanism 25 cannot read by the reading unit 26 and the processing conditions are unknown, the reject mechanism 25 operates on the sheet S and drops the unreadable sheet S to drop the tray. Collect at 24.

(5) In the slitter processing unit 29, the sheet S is cut by the cutting blade 36 at a plurality of cutting lines T parallel to the transport direction F. Unnecessary pieces of paper Jm on the left and right edges cut from the sheet S by the most upstream unit 29a are moved downward by the margin dropping member 55 to the lower paper piece collecting portion 23, guided by the guide 69, and guided by the guide 69 to the paper piece storage box. It is housed in 65.

(6) In the paper piece dropping mechanism 27, the unnecessary paper piece Jc cut from the sheet S by the central unit 29b and the most downstream unit 29c of the slitter processing unit 29 is moved downward to the lower paper piece collecting unit 23. It is stored in the paper piece storage box 65.

(7) In the crease processing unit 21, when the folding line C forming position of the sheet S approaches the installation position of the folding mold 37, the control unit 45 controls the driving of the paper feeding drive unit 47 and the transport drive units 41 to 44. , The transfer speed by the supply unit 3 and the transfer unit 4 is started to be decelerated at a predetermined ratio, and then when the folding line C forming position of the sheet S reaches the installation position of the folding mold 37, the transfer of the sheet S is stopped in the entire apparatus.

Then, the control unit 45 drives the folding type driving unit 49, lowers the convex type 38, and inserts the convex type 38 into the concave portion of the concave type 39 to form a folding line C along the width direction W with respect to the seat S. .. After that, by continuing to drive the folding type driving unit 49, the convex type 38 that has reached the bottom dead center is raised. Then, the driving of the paper feeding drive unit 47 and the transport drive units 41 to 44 is restarted, and the sheet S is transported to the downstream side.

(8) In the cutter processing unit 22, when the cutting line K forming position of the sheet S approaches the installation position of the cutting blade 36, the control unit 45 controls the driving of the paper feeding drive unit 47 and the transport drive units 41 to 44. Then, the transfer speed by the supply unit 3 and the transfer unit 4 is decelerated at a predetermined rate.

When the forming position of the cutting line K reaches the installation position of the cutting blade 36, the control unit 45 stops driving the paper feeding drive unit 47 and the transport drive units 41 to 44, and the transport unit 4 transports the sheet S. Stop the entire device. Then, the control unit 45 drives the cutting drive unit 50 to lower the upper movable blade 53 and bring it into contact with the lower fixed blade 54 to cut the sheet S along the width direction W. The obtained product Q is discharged to the mounting table 57 and placed on the mounting table 57.

When the processing device 100 is being transported or the processing device 100 is not in use, the urging force by the urging members 66 and 87 is released by the release mechanism 67. By inserting the separating member 674 between the opposing rotating shafts 211 and 221 of the pair of transport rollers 61 and 62 by the urging force releasing mechanism 671, both rotating shafts 211 and 221 are inserted by the length of the insertion portion 678. Separate them by a predetermined amount so that the two transport rollers 61 and 62 do not come into contact with each other.

Further, when the pressing force release mechanism 672 releases the pressing force of the pressing roller 63 on the upper transport roller 62, the pressing position shown in FIG. 6, that is, the locking screw 90, causes the holding portion 88 of the locking end portion 79. The locking screw 90 is screwed back from the locking hole 74 by the hexagonal hole 95 from the state where the upper support member 70 is fixed at the lowest position to the release position shown in FIG. Rotate in the direction.

At the release position, the locking screw 90 is retracted to a predetermined height at which the pressing force of the pressing roller 63 on the upper transport roller 62 can be released. At this time, the sandwiching portion 88 of the locking end portion 79 is released from the state of being sandwiched between the locking screw 90 and the support base 69. Since the diameter of the through hole 86 is larger than the outer diameter of the male screw portion 92 of the locking screw 90, the upper support member 70 is locked by the locking screw 90 and is guided upward by the through hole 86.

The release urging member 73 urges the upper support member 70 upward with respect to the support base 69, urges the pressing roller 63 upward with respect to the upper support member 70, and with respect to the upper transfer roller 62. Separate. The pressing urging member 87 has not reached the height position of the top plate 76 of the upper support member 70 pushed upward, and is in a state of being released from compression.

From the above, in the processing apparatus 100 according to the first embodiment, the surface of the upper transfer roller 62, which is at least one of the pair of transfer rollers 61, 62, has flexibility. When the sheet S is conveyed by the pair of transfer rollers 61, 62, the urging force by the urging member 66 that urges the pair of transfer rollers 61, 62 so that the sheet S is conveyed while being pinched by both transfer rollers 61, 62. Since the urging force releasing mechanism 671 is provided, it is possible to prevent the surface of the flexible transport roller 62 from being damaged.

Further, since the urging force releasing mechanism 671 is provided with a manual releasing means for manually releasing the urging force by the urging member 66, the urging force of the urging member 66 can be appropriately released when necessary.

Further, since the urging force releasing mechanism 671 is provided with a separating member 674 that separates the pair of transport rollers 61, 62 by a predetermined amount, it is easy for the separating member 674 to damage the surface of the flexible transport roller 62. Can be suppressed.

Further, since the separation member 674 is provided with a gap portion 678 inserted between the opposing rotation shafts 211 and 221 of the pair of transport rollers 61 and 62, the gap portion 678 can be inserted into both rotation shafts 211 and 221. By sandwiching it between them, it is possible to easily prevent the surface of the flexible transport roller 62 from being damaged.

Further, a pressing roller 63 for pressing at least one of the pair of conveying rollers 61, 62 having a flexible surface toward the other conveying roller 61 is provided, and the pressing force by the pressing roller 63 is provided. Since the pressing force releasing mechanism 672 is provided, the sheet S can be properly conveyed by pressing the conveying roller 62 having a flexible surface by the pressing roller 63, and the pressing roller 63 is released by the pressing force releasing mechanism 672. Pressing pressure can be released. Therefore, the accuracy of the transfer position of the sheet S can be improved, and the surface of the flexible transfer roller 62 can be suppressed from being damaged.

(Second Embodiment)
FIG. 8 is a partially enlarged view of the periphery of the pressing force releasing mechanism 672a of the processing apparatus 100a according to the second embodiment. In the first embodiment, the locking portion 72 includes a locking screw 90 and a locking hole 74, but the locking portion 72a of the second embodiment is locked in place of the locking screw 90. A locking tool 98 having a protrusion 97 is provided.

FIG. 9A is a plan view of the locking end portion 79a and the locking tool 98 according to the second embodiment, and FIG. 9B is a view of the locking tool 98 viewed from the upstream side in the transport direction F. Is. The locking tool 98 includes a head portion 981 and a foot portion 982. A hexagonal hole 95a having a predetermined depth is formed in the head 981 from the upper surface of the head 981. The foot portion 982 is provided with two locking projections 97 projecting laterally so as to be vertically separated from the columnar round bar 983 by a predetermined amount. Further, the retaining plate 99 is provided in contact with the lower portion of the upper locking projection 971 provided on the upper side of the upper and lower locking projections 97. The length L3 between the retaining plate 99 and the lower locking projection 972 provided on the lower side constitutes the thickness of the holding portion 88a of the locking end portion 79a shown in FIG. 10 and the upper portion of the support base 69a. It is formed to be equal to the total length L4 with the thickness of the support plate 68a to be formed.

As shown in FIG. 9A, the retaining plate 99 is formed in a rectangular shape in a plan view. The retaining plate 99 is locked to the downstream side wall 791a of the locking end portion 79a by the guide portion 991. This prevents the locking tool 98 from coming off the locking end 79a.

In the sandwiching portion 88a of the locking end portion 79a, a through hole 86a having a diameter D2 larger than the diameter D1 at the lowermost portion of the round bar 983 constituting the foot portion 982 shown in FIG. 9B is formed. Further, the support plate 68a is also provided with a through hole 75 having the same diameter D3 as the through hole 86a of the locking end portion 79a. Then, the support plate 68a is provided with a locking projection extraction hole 96 that communicates with the through hole 75. The locking projection hole 96 is formed so that the locking projection 97 can pass through the support plate 68a.

That is, as shown by the solid line in FIG. 9A, the locking projection 97 protrudes to the left from the round bar 983, and the lower surface of the holding portion 88a of the locking end portion 79a contacts the upper surface of the support plate 68a and is fixed. From this state, the locking tool 98 is rotated about 90 ° counterclockwise H. From this, as shown by the alternate long and short dash line, the locking projection 96 projects downward in FIG. 9A and coincides with the position where the locking projection extraction hole 96 is provided.

The pressing roller 63 is positioned at the pressing position shown in FIG. 8 when the processing apparatus 100a is used. Then, when the sheet S is not processed by the processing apparatus 100a, it is positioned at the release position shown in FIG. The locking projection extraction hole 96 is provided to pull up the lower locking projection 972 at the pressing position above the support plate 68a and lower the lower locking projection 972 at the releasing position below the support plate 68a.

FIG. 10 shows a state in which the pressing roller 63 is in the pressing position. In the figure, the lower surface of the retaining plate 99 abuts on the upper surface of the holding portion 88a, and the upper portion of the lower locking projection 972 abuts on the lower surface of the support plate 68a. From this, the sandwiching portion 88a is locked and fixed on the support base 69 by the locking projections 971 and 972 on both the upper and lower sides and the retaining plate 99. At this pressing position, the upper support member 70 is at the lowest position, and the pressing urging member 87 housed in a compressed state between the top plate 76 of the upper support member 70 and the support shaft 231 of the pressing roller 63. Presses the pressing roller 63 toward the lower upper transport roller 62.

On the other hand, at the release position shown in FIG. 8, the locking tool 98 is located higher than the pressing position shown in FIG. 10 with respect to the support base 68a. That is, the lower locking projection 972 of the locking tool 98 is located above the support plate 68a. The upper locking projection 971 is located above the holding portion 88a of the locking end portion 79a. From this, the holding portion 88a is locked on the support base 69a by the lower locking projection 972. At this release position, the upper support member 70 is higher than the pressing position, and the pressing urging member 87 housed between the top plate 76 of the upper supporting member 70 and the support shaft 231 of the pressing roller 63 is in the vertical direction. The length does not reach the height of the top plate 76. The pressing urging member 87 is in a state of being released from compression. Therefore, the pressing force on the upper transport roller 62 below the pressing roller 63 can be released.

The mechanism for moving the locking tool 98 between the pressing position and the releasing position may be manual or automatic. When moving manually, the locking tool 98 is manually rotated by the hexagonal hole 95a of the head 981 of the locking tool 98.

When the pressing force is automatically released, the locking tool 98 is provided with a motor (not shown) for rotating and moving the locking tool 98 up and down, and a moving means for moving the locking tool 98 to a predetermined position by driving the motor.

In the second embodiment, since the locking tool 98 is provided on the locking portion 72, the pressing force can be easily released by the locking tool 98.

(Third Embodiment)
FIG. 11 is a view of the first transport unit 11b constituting the transport unit 4b of the processing apparatus 100b according to the third embodiment as viewed from the upstream side. In the first and second embodiments, a plurality of pressing rollers 63 shown in FIG. 2 are installed in the width direction W, and the upper transport roller 62 is pressed over substantially the entire length in the width direction W. Instead of this, the pressing roller 63b according to the third embodiment shown in FIG. 11 is formed so that the length in the axial direction W is shorter than the length in the axial direction W of the upper transport roller 62b, and the upper transport roller 62b is formed. It is set to 10% or more and 50% or less of the length of the axial direction W of. The pressing roller 63b is installed at the center of the upper transport roller 62b in the width direction W. The pressing roller 63b is supported by the support shaft 231b via a bearing, the pressing roller 63b rotates with respect to the support shaft 231b, and the support shaft 231b itself does not rotate.

In the first embodiment, the support shaft 231 is held by the support shaft holding portion 80, but in the third embodiment, the support shaft 231b is supported by the side wall 101b of the apparatus main body 10b. Both ends of the rotating shaft 231b are vertically and vertically supported by the side wall 101b via the support block 235b. The support block 235b is urged by a pressing force urging member 87b such as a spring on the inside or outside of the width direction W of the installation position of the bearing 225b and the urging member 66b of the upper transport roller 62b in the side wall 101b.

The support shaft 231b is elastic and has an upwardly convex curved shape, that is, the support portions 232 and 233 at both ends of the support shaft 231b are located at positions lower than the axial midpoint of the support shaft 231b. doing. The pressing roller 63b is located at the center of the support shaft 231b in the axial direction in a state of being in contact with the upper transport roller 62b. Therefore, the pressing roller 63b is urged by the elastic force of the support shaft 231b. Further, the pressing roller 63b is pressing the central portion of the upper transport roller 62b in the axial direction downward by the pressing urging member 87b installed in the side wall 101b. Therefore, the pressing roller 63b is urged downward by both the elastic force of the support shaft 231b and the pressing urging member 87b, and presses the central portion in the axial direction of the upper transport roller 62b downward.

The release mechanism 67b according to the third embodiment is installed inside the pair of side walls 101b in the vicinity of the side walls 101b. The release mechanism 67b includes a swing member 105 and an engagement pin 106. The releasing mechanism 67b includes both the urging force releasing mechanism 671b and the pressing force releasing mechanism 672b, and the urging force releasing mechanism 671b and the pressing force releasing mechanism 672b are configured by the swing member 105 and the engaging pin 106. Therefore, both the urging force of the urging member 66b that urges the upper transport roller 62b and the urging force of the pressing urging member 87b that urges the pressing roller 63b by the swing member 105 and the engaging pin 106 It will be released at the same time. The pressing force releasing mechanism 672b releases the pressing force by the pressing roller 63b that presses the upper transport roller 62b by elastically deforming the support shaft 231b by the urging force of the pressing urging member 87b and forming an upwardly convex curved shape. To do. The release mechanism 671b includes an automatic release means 130 that automatically releases the urging force of the urging members 66b and 87b.

The swing member 105 is swingably supported by the support shaft 231b in the vicinity of the side wall 101b and in the vicinity of both ends of the support shaft 231b of the pressing roller 63b in the width direction. The engaging pin 106 is installed on the lower transfer roller 61b at a position where it can face the swing member 105.

FIG. 12 is a cross-sectional view taken along the line CC in FIG. A shaft support portion 107 pivotally supported by the support shaft 231b is provided on the upper portion of the rocking member 105, and a hook-shaped curved portion 108 is provided on the lower portion of the rocking member 105. A gap portion 678b having a predetermined length L5 (see FIG. 13) is provided at the lower end portion of the curved portion 108.

The gap 678b is sandwiched between the opposing rotating shafts 211b and 221b of the pair of transport rollers 61b and 62b, and the rotating shaft 221b of the upper transport roller 62b is lifted upward by a predetermined amount L6, and both transport rollers 61b, Separate 62b. Therefore, the swing member 105 provided with the gap portion 678b is sandwiched between the opposing rotating shafts 211b and 221b of the pair of transport rollers 61b and 62b, and is a separation member that separates the two transport rollers 61b and 62b by a predetermined amount. It is configured as 674b.

The insertion portion 678b is provided with an engaging recess 109, a releasing engaging surface 110 (see FIG. 13), and a push-up portion 111 (see FIG. 13). The engaging recess 109 engages with an engaging pin 106 provided at a position facing the insertion portion 678b of the rotating shaft 211b of the lower transport roller 61b, and the engaging pin 106 is inside the engaging recess 109. It is formed in a concave shape so as to be accommodated.

In FIG. 13, the lower rotating roller 61b shown in FIG. 12 rotates counterclockwise R2 by a predetermined amount, the engaging pin 106 is disengaged from the engaging recess 109, and the engaging recess 109 and the engaging pin 106 are engaged. Indicates a state in which it is no longer available. The disengaging engaging surface 110 is brought into contact with the engaging pin 106 when the lower transport roller 61b rotates clockwise R1 in FIG. 13, and the insertion portion 678b is inserted between the two rotating shafts 211b and 221b. ..

At that time, the lower transfer roller 61b rotates in the direction R1 opposite to that during the transfer of the sheet S, and the engaging pin 106 that moves along the peripheral surface of the lower transfer roller 61b is released. It comes into contact with 110 and swings the swing member 105 counterclockwise S1 in FIG. The gap 678b is moved to the right in FIG. 13, and the gap 678b is sandwiched between the rotating shafts 211b and 221b.

As shown in FIG. 14, the push-up portion 111 comes into contact with the engaging pin 106 that moves along the peripheral surface of the lower transport roller 61b as the seat S of the lower transport roller 61b rotates in the same direction R2. To do. When the lower transport roller 61b further rotates clockwise R2, as shown in FIG. 15, the engaging pin 106 pushes up the push-up portion 111 and moves the insertion portion 678b to the left in FIG. 15, and swings at this time. The member 105 swings clockwise S2 in FIG. 15 with the support shaft 231b, which is a swing shaft, as the axis.

FIG. 16 is a cross-sectional view of the rotating shaft 211b of the lower transport roller 61b showing the installation state of the engaging pin 106. As shown in the figure, the engaging pin 106 is installed so as to be retractable from the protruding opening 121 provided in the lower transport roller 61b. A part of the engaging pin 106 is housed in the pin housing portion 122. The pin accommodating portion 122 is formed so as to penetrate the rotating shaft 211b of the lower transport roller 61b. A pin urging member 116 that urges the locking pin 106 outward is further accommodated in the pin accommodating portion 122, and the pin insertion opening 118 of the pin accommodating portion 122 is closed by the closing member 117. .. A male screw portion 119 is formed on the outer circumference of the closing member 117, and is screwed into a female screw portion 120 formed over a predetermined length in the pin insertion opening 118 of the pin accommodating portion 122.

At one end of the locking pin 106, a protruding portion 113 protruding from the protruding opening 121 is provided. The protrusion 113 is formed as a small diameter portion having a diameter smaller than that of the other end portion of the locking pin 106. The intermediate portion between the protruding portion 113 and the large diameter portion 115 having a diameter larger than that of the protruding portion 113 constitutes a tapered portion 114 formed in a tapered shape. A part of the small diameter portion, the tapered portion 114, and the large diameter portion 115 are housed in the pin accommodating portion 122. The pin accommodating portion 122 is formed corresponding to the shape of the locking pin 106, and the inner wall portion of the pin accommodating portion 122 with which the tapered portion 114 contacts is provided with a tapered tapered contact portion 123. The inner diameter of the taper contact portion 123 of the pin accommodating portion 122 to the pin insertion opening 118 is formed to be larger than that of the protruding opening 121 corresponding to the large diameter portion 115.

When the rotating shaft 211b of the lower transport roller 61b shown in FIG. 14 rotates in the same direction R2 as when the seat S is transported, the engagement pin 106 is urged by the pin urging member 116, so that the push-up portion 111 The push-up portion 111 can be pushed up even if it comes into contact with. Further, at this time, the engaging pin 106 receives a force in the direction of being pushed into the pin accommodating portion 122 by the reaction received from the push-up portion 111, and the urging force of the pin urging member 116 is applied so that the protruding height is slightly shortened. It will be adjusted. As a result of both the swinging member 105 to the left S2 shown in FIG. 15 and the retracting of the engaging pin 106, the lower transport roller 61b can smoothly rotate clockwise R2 in FIG. The sheet S can be properly conveyed.

The automatic release means 130 is composed of transport drive units 41b to 44b that drive the transport unit 4b. By controlling the control unit 45b to drive the transfer drive units 41b to 44b, which are the automatic release means 130, by a predetermined amount, the transfer unit 4b is driven by a predetermined amount, and the rotation amount of the rotation shaft 221b of the transfer roller 61b is controlled from this. Then, the urging force by the urging members 66b and 87b is automatically released.

When the sheet S is transported by the transport unit 4b according to the third embodiment, the control unit 45b controls the transport drive units 41b to 44b, so that the lower transport roller 61b is as shown in FIGS. The rotation shaft 211b of is rotated counterclockwise R2 in FIG. Then, the protruding portion 113 of the engaging pin 106 comes into contact with the push-up portion 111, and as shown in FIG. 15, the protruding portion 113 of the pin urging member 116 is brought into contact with the counterclockwise R2 of the rotating shaft 211b. The push-up 111 is pushed up by the urging force. Further, the protrusion 113 is slightly pushed into the pin accommodating portion 122 by the reaction from the push-up portion 111.

When the rotating shaft 211b is further rotated counterclockwise R2 and is rotated to a position where the protruding portion 113 does not come into contact with the push-up portion 111, the protruding portion 113 is released from the state of being slightly pushed into the pin accommodating portion 116. The original state before the contact between the push-up portion 111 and the engaging pin 106 is restored. When the seat S is conveyed, the engaging pin 106 thus moves in and out of the protruding opening 121.

Next, when the urging force is released by the release mechanism 67b when the sheet S is not processed, the control unit 45b controls the transport drive units 41b to 44b, so that the lower part is as shown in FIG. The rotation shaft 211b of the side transport roller 61b is rotated clockwise R1. The protruding portion 113 that has reached the installation position of the insertion portion 678b comes into contact with the disengaging engaging surface 110 and swings the swing member 105 to the right S1 in FIG. Then, when the protruding portion 113 engages with the engaging recess 109 and sandwiches the insertion portion 678b between the upper and lower rotating shafts 211b and 221b, the driving of the transport driving portions 41b to 44b is stopped.

From this, the release mechanism 67b is located at the release position shown in FIG. At the release position, since the insertion portion 678b is sandwiched between the vertical rotation shafts 211b and 221b, the rotation shaft 221b of the upper transfer roller 62b is lifted upward by a predetermined amount L6, and the vertical transfer rollers 61b and 62b are separated from each other. As a result, the urging force of the urging member 66b that the upper transport roller 62b urges toward the lower transport roller 61b is released.

Further, at the release position, since the insertion portion 678b is sandwiched between the vertical rotation shafts 211b and 221b, the swing member 105 rides on the rotation shaft 211b of the lower transport roller 61b, and the swing member 1105 rides on the rotation shaft 211b. It will be in a state of standing upright. Since the length in the vertical direction, which is the longitudinal direction of the swing member 105, is set to a predetermined value, the shaft support portion 107 is lifted upward by the swing member 105 standing on the rotating shaft 211b, and swings. The support shaft 231b of the pressing roller 63b, which is a shaft, is lifted upward. As a result, the pressing roller 63b is lifted upward by a predetermined amount L7, and the urging force of the pressing urging member 87b that urges the pressing roller 63b toward the upper transport roller 62b is released.

The release mechanism 67b according to the third embodiment is an automatic release means for automatically releasing the urging force of both the urging member 66b and the pressing urging member 87b by driving the transport drive units 41b to 44b. Because it is equipped with, the urging force can be easily released.

Since the separating member 674b separates the pair of transport rollers 61b and 62b by a predetermined amount as the transport rollers 61b and 62b rotate, the surface of the transport rollers 62b can be easily removed by rotating the transport rollers 61b and 62b. It can suppress damage.

The separation member 674b separates the pair of transfer rollers 61b, 62b by a predetermined amount when the transfer rollers 61b, 62b are rotated in the direction R1 opposite to the rotation direction R2 when the sheet S is conveyed. When transporting, both transport rollers 61b and 62b can be properly transported by sandwiching the sheet S between the two transport rollers 61b and 62b without being separated from each other, and when the sheet S is not transported, the transport rollers 61b and 62b are reversed. By rotating, the separating members 674b can separate the two transport rollers 61b and 62b by a predetermined amount. Therefore, by adjusting the rotation directions R1 and R2 of the transport rollers 61b and 62b, the transport rollers 61b and 62b can be easily separated by a predetermined amount, and the surface of the flexible transport roller can be suppressed from being damaged. ..

Further, since the urging force releasing mechanism 674b is provided with an engaging pin 105 that engages with the separating member 674b and separates the pair of transport rollers 61b and 62b by a predetermined amount, the engaging pin 106 is engaged with the separating member 674b. By combining them, it is possible to easily prevent the surface of the flexible transport roller 62 from being damaged.

Further, since the engaging pin 106 is installed on the transport roller 61b so as to be retractable, it can be easily engaged with the separating member 674b as the transport roller 61b rotates.

(Fourth Embodiment)
FIG. 17 is a partially enlarged cross-sectional view of the release mechanism 67c according to the fourth embodiment. In the processing apparatus 100c according to the fourth embodiment, the pressing roller 63c is installed at the center of the upper transfer roller 62c, similarly to the processing apparatus 100b according to the third embodiment shown in FIG. In the third embodiment, the release mechanism 67b automatically releases the urging force by the urging members 66b and 87b by adjusting the rotations of the lower transfer roller 61b in the rotation direction R2 and the reverse direction R1 when the sheet S is conveyed. Although the automatic releasing means 130 is provided, in the fourth embodiment, the releasing mechanism 67c includes a manual releasing means 131 for manually releasing the urging force by the urging members 66c and 87c.

The manual release means 131 includes a release lever 132 provided at one end of the swing member 105c. By operating the release lever 132, the pressing position shown in FIG. 18 can be switched to the release position shown in FIG. When the swing member 105c is swung counterclockwise S1 with the support shaft 231c, which is the swing shaft, as the axis, the gap portion 678c provided at the other end of the swing member 105c is rotated up and down. It can be manually inserted between 211c and 221c.

From this, as shown in FIG. 17, the rotating shaft 221c of the upper transfer roller 62c is raised against the urging force of the urging member 66c, and the upper transfer roller 62c is separated from the lower transfer roller 61c by a predetermined amount L8. Further, since the swing member 105c is supported on the rotating shaft 211c of the lower transport roller 61c, the support shaft 231c of the pressing roller 63c is lifted upward against the urging force of the pressing urging member 87c and pressed. When the roller 63c and the upper transfer roller 62c are separated by a predetermined amount L9, the pressing force of the pressing roller 63c on the upper transfer roller 62c is released.

(Fifth Embodiment)
FIG. 19 is a partially enlarged cross-sectional view of a main part of the release mechanism 67d and the first to third transport portions 11d to 13d according to the fifth embodiment. The release mechanism 67d of the fifth embodiment has an urging force by the urging members 66d and 87d of the conveying rollers 61d and 62d and the pressing rollers 63d of the conveying portions 11d to 20d which are installed along the conveying path 5 of the sheet S. The batch release means 690 is provided.

The batch release means 690 includes a separation member 674d provided with a wedge portion 689 formed in a wedge shape. The separating member 674d includes a urging force releasing separating member 680 and a pressing force releasing separating member 681.

The urging force release separating member 680 collectively releases the urging force of the plurality of urging members 66d that urge each of the pair of transport rollers 61d and 62d of the transport portions 11d to 20d. In the fifth embodiment, the urging force release separating member 680 releases the urging force of the urging member 66d that urges the upper transfer roller 62d to be pressed toward the lower transfer roller 61d. The urging force release separating member 680 is installed at substantially the same height as the transport surface of the seat S. The urging force release separating member 680 includes a gap portion 678 d that is sandwiched between the opposing rotating shafts 211d and 221d, and the gap portion 678d is composed of a wedge portion 689.

The urging force release separating member 680 is configured to be manually movable in the transport direction F of the seat S, so that it can be provided with a manual release means for manually releasing the urging force by the urging member 66d. Further, the urging force release separating member 680 is connected to a drive unit (not shown) via a connecting mechanism, and by driving the drive unit, the seat S can be automatically moved in the transport direction F. An automatic release means for automatically releasing the urging force by the force member 66d may be provided.

The pressing force release separating member 681 releases the pressing force of the pressing roller 63d that presses one of the pair of conveying rollers 61d and 62d, the conveying rollers 61d and 62d, toward the other conveying rollers 62d and 61d. .. The pressing force release separating member 681 is installed above the urging force releasing separating member 680. The pressing force release separating member 681 constitutes the pressing force releasing mechanism 672d. The pressing force release separating member 681 includes a insertion portion 679d inserted between the rotating shaft 221d of the upper transport roller 62d and the support shaft 231d of the pressing roller 63d, and the insertion portion 679d is formed by a wedge portion 689. It is composed. The pressing force releasing / separating member 681 is also configured to release the urging force of the pressing force releasing / separating member 87d manually or automatically in the same manner as the urging force releasing / separating member 680.

When releasing the urging force of the urging members 66d and 87d by the batch release means 690, the urging force release separating member 680 and the pressing force release separating member 681 are automatically or manually released from the pressing position shown in FIG. The sheet S is moved by a predetermined amount in the direction opposite to the transport direction F, and the wedge portion 689 is sandwiched between the rotating shafts 211d and 221d and between the rotating shafts 221d and the support shafts 231d. As a result, the pair of transport rollers 61d and 62d and the pressing rollers 63d constituting each of the transport portions 11d to 20d can be separated by a predetermined amount, and the urging forces of the urging force members 66d and 87d can be released at once. ..

A plurality of a pair of transfer rollers 61d and 62d are installed along a sheet transfer path 5d, and a batch release means for collectively releasing the urging force of a plurality of urging members 66d for urging the pair of transfer rollers 61d and 62d, respectively. Since the 690 is provided, the urging force of the plurality of urging members 66d can be easily released. Further, the batch release means 690 releases the pressing force of the pressing roller 63d that presses one of the pair of conveying rollers 61d and 62d, the conveying rollers 61d and 62d, toward the other conveying rollers 62d and 61d. Since the pressure release separating member 681 is provided, the urging force of the pressing urging member 87d of the plurality of pressing rollers 63d can be easily released.

In each of the above embodiments, the processing devices 100, 100a to 100d are provided with the pressing rollers 63, 63a to 63d, but the processing apparatus 100, 100a to 100d may be configured not to be provided with the pressing rollers. If the transport unit is not provided with the pressing roller, the pressing force of the pressing roller cannot be released, so that the pressing force releasing mechanism is also not provided. It is also possible that the processing apparatus is provided with a pressing roller but not with a pressing pressure releasing mechanism. Further, the transport rollers 62, 62a to 62d and the pressing rollers 63, 63a to 63d were urged by the urging members 66, 66a to 66d and 87, 87a to 87d composed of winding springs, but rubber was used instead. It may be urged by a leaf spring or a leaf spring, or may be urged by the elastic force of the rotating shaft and the roller body by setting the mounting position on the side wall close to another roller.

In addition, it is equipped with either an automatic release means for automatically releasing the urging force by the urging member or a manual release means for manually releasing the urging force, but both are provided at the same time, and either or both are attached at the user's option. You may release the power. Further, the urging force releasing mechanisms 671, 671a to 671d are provided with separating members 674, 674a to 674d for separating the pair of transport rollers 61, 61a to 61d, 62, 62a to 62d by a predetermined amount. It may be replaced with another configuration. For example, a pair of transport rollers are in contact with each other, but pressure may not be applied to each other.

Further, although the separation members 674, 674a to 674d are provided with a gap portion sandwiched between the opposing rotating shafts of the pair of transport rollers, the gap portion may not be provided. For example, a moving means for moving the pair of transport rollers in a direction in which they are separated may be provided, or an elastic body such as a spring may be used to urge the pair of transport rollers in a direction in which they are separated from each other.

Further, in the first embodiment, the locking screw 90 is composed of, for example, a hexagon socket head cap screw, and is moved back and forth with respect to the locking hole 86 by being manually rotated. Other bolts or screws such as flange bolts may be used, or an automatic release means for automatically rotating the locking screw may be provided. The automatic release means may include, for example, a motor for rotating the head of the locking screw, a transmission means for transmitting the power of the motor to the locking screw, and the like.

Further, in the third embodiment, when the separating member 674b is rotated in the direction R1 opposite to the rotation direction R2 when the transport rollers 61b and 62b transport the sheet S, the pair of transport rollers 61b and 62b are connected. Although they were separated by a predetermined amount, the transfer roller was rotated in the same direction as when the sheet was conveyed by interposing a switching mechanism or the like for switching between the urging position for sandwiching the sheet and the release position where the urging force was released. At that time, the pair of transport rollers may be separated by a predetermined amount.

Further, in the third embodiment, the separation member 674b returns the pair of transfer rollers 61b, 62b from the state of being separated by a predetermined amount to the original state with the rotation of the transfer rollers 61b, 62b. The state of being separated by a predetermined amount may be returned to the original state without rotating.

Further, in the fifth embodiment, the batch release means 690 includes a wedge portion 689, but the control unit controls the transfer rollers of another configuration, for example, the third embodiment to rotate at the same time by a predetermined amount. By doing so, the urging force of the plurality of urging members may be released at once, a moving means for automatically moving the oscillating members of the fourth embodiment is provided, and the plurality of oscillating members are collectively released. The urging force of the plurality of urging members may be released at once by moving the urging member.

Further, various processing processing information is automatically set by the user from the operation panel 46 or automatically input by reading the barcode M2 by the reading unit 26, but communicates with an external information processing device such as a personal computer. It may be set. Further, the sheet arrangement pattern may be stored in a plurality of storage means by manual input from the operation panel in advance, and each pattern may be called by a number or the like to be set.

Further, in the third and fourth embodiments, the support shaft of the pressing roller may be provided horizontally, and the portions of the support shaft near both sides of the pressing roller may be urged toward the upper transport roller by another member. .. As a result, the axially central portion of the upper transport roller can be pushed downward by the pressing roller.

Further, in the transport unit 4 having the above configuration, the lower transport rollers 61, 61a to 61d are fixed, the upper transport rollers 62, 62a to 62d can be moved up and down, and the upper transport rollers 62, 62a to 62d are pressed by the pressing rollers 63. , 63a to 63d are urged downward, but these relationships are reversed. That is, the upper transport roller can be fixed, the lower transport roller can be moved up and down, and the lower transport roller can be urged upward by the pressing roller from the lower side.

F Transport direction S sheet
4 Conveying unit 5 Conveying path 6 Machining processing unit 61,62 Conveying rollers 66,66a to 66d, 87,87a to 87d Biasing members 100,100a to 100d Machining processing device 130 Automatic release means 131 Manual release means 671, 671a to 671d Biasing force release mechanism 672, 672a to 672d Pushing pressure release mechanism 674, 674a to 674d Separation member 678, 678a to 678d

Claims (5)

A processing apparatus including a pair of transfer rollers for conveying a sheet and a processing section for performing a predetermined processing process on the sheet conveyed by the pair of transfer rollers, and at least one of the pair of transfer rollers. The surface of the transfer roller is flexible, and when the sheet is conveyed by the pair of transfer rollers, the pair of transfer rollers are urged to transfer the sheet while being pressed by both transfer rollers. An urging force releasing mechanism for releasing the urging force of the pair of conveying rollers and a pressing roller for pressing one conveying roller having a flexible surface toward the other conveying roller are provided, and the pressing force by the pressing roller is provided. A processing device provided with a pressing force releasing mechanism for releasing the pressing force, and a member for releasing both the urging force of the pair of transport rollers and the pressing force of the pressing rollers at the same time. The processing apparatus according to claim 1, wherein the urging force releasing mechanism is provided with an automatic releasing means for automatically releasing the urging force of the pair of transport rollers. The processing apparatus according to claim 1 or 2, wherein the urging force releasing mechanism is provided with a manual releasing means for manually releasing the urging force of the pair of transport rollers. Claim 1 to claim 1, wherein a plurality of a pair of transfer rollers are installed along a sheet transfer path, and a batch release means for collectively releasing the urging force of the plurality of transfer roller pairs for urging the pair of transfer rollers is provided. Item 3. The processing apparatus according to any one of items 3. A processing apparatus including a pair of transfer rollers for conveying a sheet and a processing section for performing a predetermined processing process on the sheet conveyed by the pair of transfer rollers, and at least one of the pair of transfer rollers. The surface of the transfer rollers is flexible, and when the sheet is conveyed by the pair of transfer rollers, the pair of transfer rollers are urged so as to transfer the sheet while sandwiching the sheets by both transfer rollers. A urging force releasing mechanism for releasing the urging force of the pair of conveying rollers is provided, and the urging force releasing mechanism is provided with a side view U-shaped separating member for separating the pair of conveying rollers by a predetermined amount. When the gap between the rotating shafts of the pair of transport rollers is sandwiched between the rotating shafts and the gap is sandwiched between the rotating shafts, the gap is opposed to the gap between the rotating shafts. , A processing apparatus provided with a portion extending so as to gradually approach the gap portion as it advances to the tip portion.

Images