JP2839445B2 - Automatic flat plate punching machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic flat sheet punching machine for paper.

[0002]

2. Description of the Related Art As shown schematically in FIG. 4, an automatic flat plate punching machine includes a set section S for supplying sheets W in a stacked state,
A processing section P for performing punching (including processing such as cutting, scoring, embossing, etc.) on the sheets W sequentially sent from the setting section S, and stacking the sheets W sent from the processing section P again A discharge unit E to be returned to the state is arranged in a series. D is a waste storage part for collecting waste generated in the processing part P, and G
Is an inspection window.

In this specification, the side provided with the set section S (right side in FIG. 4) is referred to as “front”, and the side provided with the sheet discharge section E (left side in FIG. 4) is referred to as “rear”. The horizontal direction (that is, the left-right direction) orthogonal to the above is referred to as the “width direction”. In such an automatic flat plate punching machine, a sheet aligning apparatus 50 as shown in FIG. Is usually provided.

The sheet aligning device 50 includes a pair of pressing plates 5 provided on both sides in the width direction of the sheet W so as to face each other.
1, and these pressing plates 51 synchronously approach and separate from each other so that both side surfaces in the width direction of the sheet W are aligned. The power for operating the pressing plate 51 is, for example,
A drive system (rotary shaft 5) for feeding the sheet W to the paper discharge unit E
2), the reciprocating motion in the width direction is extracted by combining the cam 53 and the crank lever 55 that can swing around the pivot 54, and this is used.

[0005] Further, according to the sheet size, both pressing plates 5
1 can adjust the facing distance or adjust the degree of in / out relative to the center position in the width direction (hereinafter, these are collectively referred to as “position adjustment”). Reference numeral 58 denotes a guide rod that holds the pressing plate 51 and also serves as an operation end (59 is a grip ball) when the position of the pressing plate 51 is adjusted.
0, it protrudes to both sides in the width direction, and the protruding length becomes larger as the setting of the opposing interval in the pressing plate 51 is made wider.

[0006]

As described above, in the conventional automatic flat plate punching machine, the guide rod 58 projecting in the width direction from the peripheral wall 60 of the apparatus is provided. Was dangerous. The pressing plate 5
Since the position adjustment of 1 was performed by pushing and pulling the guide bar 58, there was also a problem that it was difficult to finely adjust in mm units.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has been made in consideration of the above circumstances, and has been made in an automatic manner in which a safety of a worker working around the apparatus is ensured, and a position of a pressing plate can be finely adjusted and easily performed. It is intended to provide a flat plate punching machine.

[0008]

According to the present invention, the following technical measures have been taken in order to achieve the above object. That is, in the present invention, a set section for supplying sheets in a stacked state, a processing section for performing punching processing on sheets sequentially sent from the set section, and a discharge section for stacking sheets sent from the processed section In the automatic flat plate punching machine, the sheet discharging device is provided with a sheet aligning device, and the sheet aligning device directly faces both side surfaces in the width direction of the stacked sheets. It has a pair of pressing plates provided in a state, and a driving unit that drives these pressing plates synchronously so that they can approach and separate from each other, and the driving unit is a pair corresponding to each of the pressing plates.
And each drive unit adjusts the position in the left and right direction
The position adjusting means is supported by
A feed screw whose longitudinal direction is oriented in the width direction, and a turn of the feed screw.
A moving body that movably holds the driving unit by rolling.
Have .

[0009] Each drive unit of the sheet aligning apparatus, it is preferable that to the independent power unit, such as a hydraulic cylinder or a motor that includes individually. The position adjusting means further comprises:
An operation unit provided outside the peripheral wall of the device that is externally attached to the paper discharge unit
Interlocking means for transmitting the operation force of the operation unit to the feed screw
It is preferable to have

On the rear wall of the peripheral wall of the apparatus surrounding the paper discharge section, there is provided a viewing window through which the sheets to be stacked can be viewed, and an operation section of the position adjusting means is provided at an appropriate position around the viewing window. Good to put.

[0011]

The driving portion of the pressing plate that presses both side surfaces in the width direction of the sheet is completely housed in the peripheral wall of the device that covers the sheet discharging portion.
There is nothing protruding in the width direction from the peripheral wall of the device. Since the strokes when the pressing plates are moved toward and away from each other are not so large, it is possible to use a fluid pressure cylinder, a motor, or the like as the driving unit, and to have a configuration including such an independent power unit. This is advantageous in preventing the widthwise protrusion from the peripheral wall of the device as described above.

[0012] Further, a structure in which the pressing plate is moved together with the drive unit (power unit) by a feed screw which is long in the width direction is also advantageous in preventing the protrusion in the width direction from the peripheral wall of the apparatus. . In particular, by providing this configuration, there is an advantage that the position of the pressing plate can be finely adjusted according to the screw pitch of the feed screw. If a viewing window is provided on the rear wall of the peripheral wall of the apparatus and an operation unit of the position adjusting means is provided around the viewing window, the pressing plate can be visually checked for the positional relationship between the sheets being stacked and the pressing plate. Can be adjusted in the width direction, thereby making the operation easier and more accurate.

[0013]

Embodiments of the present invention will be described below with reference to the drawings. FIGS. 1 to 3 show a sheet aligning device 1 of a sheet discharging section E (see FIG. 4) provided in an automatic flat plate punching machine according to the present invention. A pair of pressing plates 2 provided on both sides in the width direction so as to face each other.
And a drive unit 3 that allows the pressing plates 2 to approach and separate from each other. The drive unit 3 is fitted into the device peripheral wall 7 via the position adjusting means 5 (particularly, from the side wall 7a. (So that there is no protrusion).

The drive unit 3 does not take out a predetermined motion from another drive system provided in the paper discharge unit E (for example, for feeding the sheet W to the paper discharge unit E).
It has its own power unit 10. In the present embodiment, a fluid pressure (air pressure, oil pressure, water pressure, etc.) cylinder is used as the power unit 10. As shown in FIG. 2, an advancing / retreating rod 10a having a rectangular cross section was used as the fluid pressure cylinder in order to hold the pressing plate 2 in a detented state. Of course, if measures such as providing a guide rod (not shown) in parallel with the reciprocating rod 10a are taken,
It is also possible to use a circular cross section as 0a.

It should be noted that the power unit 10 can use a rod-advancing / retracting solenoid or a motor (electric or fluid pressure). When a motor is used, a crank structure or a rack The reciprocating motion in the width direction of the pressing plate 2 may be taken out by combining the meshing structure of the pinion and the like. As shown in FIG. 1, the position adjusting means 5 includes a front-rear moving frame 15 provided so as to cross the inside of the apparatus peripheral wall 7 in the width direction thereof and a lower bar 15 a of the front-rear moving frame 15 (see FIG. 3). It is provided in a state via a left and right moving frame 16 movably provided in the width direction. Then, two sets corresponding to the respective sets of the pressing plate 2 and the driving unit 3 are arranged side by side so as to be centered in the width direction of the left and right moving frame 16.

The longitudinal frame 15 is held by a pinch roller 19 along a longitudinally extending rail member 18 provided on the inner surface of the side wall 7a of the peripheral wall 7 of the apparatus. It is driven back and forth by appropriate driving means such as driving, chain transmission or a manual feed screw mechanism. The left and right moving frame 16 is penetrated and held by one vertical rail 15b (shown on the right side in FIG. 3) of the front and rear moving frame 15, and is further provided with a feed screw provided so as to project outward through the side wall 7a of the peripheral wall 7 of the apparatus. By operating the mechanism 20, it is driven left and right. 21 is an operation handle.

As shown in FIG. 1, each of the position adjusting means 5 is provided with a feed screw 26 rotatably held by a bracket 25 so that its longitudinal direction is directed to the width direction. The moving body 2 that holds the driving unit 3 so as to be movable in the width direction by the rotation of the feed screw 26
7 and an interlocking means 28 for transmitting a rotational operation force to the feed screw 26.

As shown in FIG. 2, the movable body 27 is provided with a nut member 30 screwed to the feed screw 26 and a guide member movably held left and right through a guide rail 31 provided on the left and right moving frame 16. 32 and these nut members 30
And a suspension bracket 33 projecting rearward from the guide member 32 and holding the drive unit 3. Interlocking means 28
The bevel gear 35 is attached to the feed screw 26 as shown in FIG.
Rotating shaft 36, universal joint 37, connecting shaft 38, universal joint 3
9, a handle shaft 40, and an operating portion 42 provided at a rear end portion of the device peripheral wall 7 which protrudes rearward through the rear wall 7b of the device peripheral wall 7; By rotating the 42, the feed screw 26 can be rotated. The rotating shaft 36 is a dual shaft of inner and outer shafts. The inner and outer shafts have an expansion and contraction structure that allows the expansion and contraction of each other but prevents the rotation by using an axial key or the like. doing. This is to cope with the above-mentioned longitudinal movement of the longitudinal frame 15.

In the position adjusting means 5 constructed in this manner, the respective operating portions 42 are arranged on the left and right sides of the viewing window 45 provided on the rear wall 7b of the peripheral wall 7 of the apparatus. Therefore, the operator can operate the position adjusting means 5 (i.e., adjust the position of the pressing plate 2) while checking the stacked state of the sheets W through the viewing window 45.
For example, when the width of the sheet W is small or wide, or when the processed shape of the sheet W is asymmetrical,
For example, the respective position adjusting means 5 are operated to separate the pressing plates 2 from each other by a required amount or to approach them.

In this embodiment, since the left and right moving frames 16 capable of moving in the width direction are provided, the sheet W sent to the sheet discharging unit E is shifted from the center of the apparatus. In this case, the operating handle 21 can be operated to move both the pressing plates 2 in the width direction at once. When the length of the sheet W in the front-rear direction is long or short, it is needless to say that the positioning of the front-rear moving frame 15 may be adjusted to move the two pressing plates 2 as a whole.

The arrangement of the viewing window 45 on the right side (the lower side in FIG. 1).
The feed screw 26 is a right-hand thread in the position adjusting means 5 and the feed screw 26 is a left-hand screw in the position adjusting means 5 on the left side (upper side in FIG. 1). The rotation direction of the operation unit 42 and the pressing plate 2
(I.e., when the operation unit 42 is rotated right, the pressing plate 2 also moves right, and conversely, when the operation unit 42 is rotated left, it moves left).

In the present invention, detailed configurations, adopted mechanisms, component shapes, and the like are not limited to the above-described embodiment, but can be appropriately changed according to the embodiment.

[0023]

According to the present invention, there is comprising the above-described configuration, the driving portion of the pressing plate for pressing the both widthwise side surfaces of the sheet, yield Merare in the device peripheral wall exterior to the sheet discharge unit, Since there is nothing protruding in the width direction from the peripheral wall of the device, the safety of workers working around the device is ensured. This also improves the work efficiency of the worker.

[0024] The driving portion of the pressing plate, since there as width movable by structure using a feed screw, a position adjustment of the pressing plate, can be finely adjusted in accordance with the thread pitch of the feed screw, yet the operation is It will be easy to do. If an operation section of the position adjusting means is provided around the viewing window provided on the rear wall of the peripheral wall of the apparatus, the position of the pressing plate can be adjusted while visually confirming the positional relationship between the sheets being stacked and the pressing plate. The operation can be performed more easily and accurately.

[Brief description of the drawings]

FIG. 1 is a plan view (corresponding to an arrow AA in FIG. 4) showing a sheet aligning device of a sheet discharging unit provided in an automatic flat plate punching machine according to the present invention.

FIG. 2 is an enlarged sectional view taken along line BB of FIG.

FIG. 3 is an enlarged sectional view taken along line CC of FIG. 1;

FIG. 4 is an overall side view showing an outline of an automatic flat board punching machine.

FIG. 5 is a plan view (corresponding to an arrow AA in FIG. 4) showing a sheet aligning device of a sheet discharging section provided in a conventional automatic flat plate punching machine.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Sheet aligning device 2 Pressing plate 3 Drive part 5 Position adjustment means 7 Peripheral wall 7b Back wall 10 Power part 26 Feed screw 27 Moving body 28 Interlocking means 42 Operation part

Claims (4)

(57) [Claims] 1. A set section (S) for supplying sheets (W) in a stacked state, a processing section (P) for punching sheets (W) sequentially sent from the set section (S), and An automatic flat plate punching machine in which a sheet discharging section (E) for stacking sheets (W) sent from a processing section (P) is arranged in series, wherein the sheet discharging section (E) includes a sheet aligning device. (1) is provided, the sheet aligning device (1) comprises a pair of pressing plates (2) provided in a state of facing the both sides in the width direction of the sheets (W) being stacked, A driving unit (3) for driving the pressing plates (2) so as to be able to move close to and away from each other synchronously, and the driving unit (3) corresponds to each of the pressing plates (2).
And each of the driving units (3) is provided in the left and right directions.
Supported by position adjusting means (5) for adjusting the direction
The position adjusting means (5) is configured to feed the paper with the longitudinal direction directed in the width direction.
By turning the screw (26) and the feed screw (26)
A moving body (27) that movably holds the driving section (3).
And an automatic flat plate punching machine. Wherein said sheet aligning apparatus drive units of (1) (3), independent power unit, such as a hydraulic cylinder or motor (10) Ru and those provided separately Surrey 請 Motomeko 1
Automatic flat plate punching machine as described. 3. The position adjusting means (5) further comprises
Provided outside the peripheral wall of the device (7) to be exteriorized to the part (E)
The automatic flat panel as claimed in claim 1 or 2, further comprising an operation section (42) and an interlocking means (28) for transmitting an operation force of the operation section (42) to the feed screw (26). Board punching machine. 4. A sheet (W) to be stacked on a rear wall (7b) of the peripheral wall (7) of the apparatus, which is provided on the paper discharge section (E).
A viewing window (45) is provided so that the position adjustment means (5) can be visually recognized at an appropriate position around the viewing window (45).
The automatic flat plate punching machine according to claim 3, characterized in that an operating section (42) is provided.