JP2570796Y2 - Fine adjustment device for horizontal position of vertical sewing machine blade - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for finely adjusting the horizontal position of a vertical sewing blade in a vertical perforation processing apparatus of a printing press.

[0002]

2. Description of the Related Art Conventionally, a vertical perforation processing apparatus of a printing press has
A vertical sewing machine blade holding shaft spanned between left and right frames of the printing press is provided, and a plurality of vertical sewing machine blades are rotatably supported on the vertical sewing machine blade holding shaft. In addition, each vertical sewing machine blade can move left and right on the vertical sewing machine holding shaft together with its support portion, and after its position in the left and right direction is adjusted, it is fixed to a fixed position by a fixing screw attached to the support portion. It is fixed.

[0003]

However, according to the above-described conventional vertical perforation processing apparatus, when all the vertical sewing blades are slightly shifted in the left-right direction, the adjustment is extremely troublesome.
That is, it is necessary to loosen the fixing screws for all the vertical sewing blades, move each of them slightly on the vertical sewing blade holding shaft, and then tighten the fixing screws.

[0004]

SUMMARY OF THE INVENTION In order to solve the above problems, the present invention holds a vertical sewing machine blade held between left and right frames of a printing machine for rotatably holding a plurality of vertical sewing machine blades. A shaft, left and right holders for supporting the vertical sewing blade holding shaft on the frame so as to be slidable in the left and right direction, fixing screws provided on the holder for fixing the vertical sewing blade holding shaft, An adjusting shaft rotatably attached to the right or left holder at right angles to the sewing machine blade holding shaft, an eccentric pin provided at a tip of the adjusting shaft, and a crossing of the central axis of the vertical sewing machine blade holding shaft. The configuration of the horizontal position fine adjustment device of the vertical sewing machine blade including a groove engaged with the eccentric pin formed in the direction is adopted.

[0005]

When moving all the vertical sewing machine blades to the left and right by a fixed minute amount, first loosen the fixing screw and release the vertical sewing machine blade holding shaft so as to be able to move left and right.

Next, the adjusting shaft is turned to slide the eccentric pin in the vertical groove. Thus, the vertical sewing blade holding shaft slides by a very small amount in the left-right direction while being guided by the holder, and the entire vertical sewing blade held by the vertical sewing blade holding shaft also moves by the same very small amount.

Thereafter, the fixing screw is turned to fix the holding shaft of the vertical sewing machine blade to the holder.

[0008]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a vertical perforating machine according to an embodiment of the present invention;

[0009] As shown in FIG.
The printing unit 1 includes a printing unit 1 and a processing unit 2. The printing material 3 is sent from the supply unit 4 to the printing unit 1 and printed by the various printing cylinders, and then sent to the processing unit 2 to be perforated. The paper is discharged to the rear discharge part 5.

The processing section 2 includes a vertical perforation processing device 6 as shown in FIG. 1, and receives a vertical perforation blade 7 of the vertical perforation processing device 6 as shown in FIG. A vertical sewing machine processing cylinder 8 is also provided.

A plurality of vertical sewing machine blades 7 are arranged along the vertical sewing machine blade holding shaft 9, and each of them faces the surface of the vertical sewing machine processing cylinder 8. The printing material 3 that has passed through the printing section 1 passes through the space between the vertical sewing blade 7 and the vertical sewing machine processing cylinder 8 and is provided with a plurality of vertical perforations.

The plurality of vertical perforations may need to be simultaneously shifted by a very small amount in the horizontal direction of the printing press. It is provided in the eye processing device.

As shown in FIG. 1 to FIG. 9, the horizontal position fine adjustment device of the vertical sewing machine blade is provided with left and right frames 10 and 11 of a printing machine for rotatably holding a plurality of vertical sewing machine blades 7.
The vertical sewing machine blade holding shaft 9 spanned between the frame 10 and the frame 10,
Left and right holders 12 and 13 supported by the support 11, fixing screws 14 and 15 provided on the holders 12 and 13 for fixing the vertical sewing machine blade holding shaft 9, and perpendicular to the vertical sewing machine blade holding shaft 9. An adjusting shaft 16 rotatably mounted on one of the right and left holders 12 and 13, an eccentric pin 17 provided at the tip of the adjusting shaft 16, and a central axis intersecting the vertical sewing machine blade holding shaft 9. And a groove 18 for engaging with the eccentric pin 17 formed in a desired direction.

The vertical sewing machine blade holding shaft 9 is made of a round bar, and a scale 19 is provided along the length thereof as a guide when the vertical sewing machine blade 7 is attached. Further, flat surfaces 20a, 20b, 20c, 21a, 21b, 2 parallel to the central axis are provided at both ends of the vertical sewing machine blade holding shaft 9.
1c is formed in three places: front and rear and a lower part.

The vertical sewing blade 7 is formed in a ring shape, and a plurality of the vertical sewing blades 7 are respectively connected to the vertical sewing blade holding shaft 9 via the connecting tools 22 so as to be rotatable with respect to each connecting tool 22. . As shown in FIGS. 8 and 9, the connecting tool 22 is applied to a half-circumferential portion of the surface of the vertical sewing machine blade holding shaft 9, and is applied to the other half-circumferential portion.
Holding piece 22b for holding vertical sewing machine blade holding shaft 9 together with 2a
And a fork portion 22c rotatably supported by the base portion 22a and rotatably supporting the vertical sewing blade 7.

The holding piece 22b is connected via a pin 23b at an intermediate portion of the base 22a, and a bolt 24a extending from the base 22a through the holding piece 22b at the upper end of the base 22a.
And a nut 24b screwed thereto. The bolt 24a is connected to the base 22a by a pin 23a. The vertical sewing machine blade holding shaft 9 is fastened by the base 22a and the holding piece 22b. A key 25 is interposed between the base 22a and the vertical sewing blade holding shaft 9 to prevent the rotation of the base 22a with respect to the vertical sewing blade holding shaft 9.

At the lower end of the fork portion 22c, the vertical sewing blade 7 is pivotally supported by a pin 26 parallel to the vertical sewing blade holding shaft 9. At the upper end, a pin 27 parallel to the pin 26 is attached to the base 22a. It is supported by. A compression coil spring 28 for urging the fork 22c toward the vertical sewing machine processing cylinder 8 is provided between the base 22a and the fork 22c, and the fork is opposed to the urging force of the compression coil spring 28. A stopper 29 for preventing excessive rotation of 22c is provided.

For this reason, the vertical sewing blade 7 is connected to the fork 22
While being supported by c, it is pressed with an appropriate force against the surface of the vertical sewing processing cylinder 8, rotates with the vertical sewing processing cylinder 8, and forms a vertical perforation on the printing material 3 passing therebetween.

The left holder 12 of the holders 12 and 13
Is fixed to the frame 10 on the operation side of the printing press with bolts 30, and the right holder 13 is fixed to the frame 11 on the motor side with bolts 31.

The right and left holders 12 and 13 are respectively provided with concave portions 12a and 13 into which both ends of the vertical sewing blade holding shaft 9 are inserted.
a are provided in each of the recesses 12a and 13a, and two front and rear planes 20a, 20b, at both ends of the vertical sewing blade holding shaft 9.
A plane is formed in which the surfaces 20c, 21a, 21b, and 21c are slidably contacted. A lower plate 32 is fixed to the lower surfaces of the holders 12 and 13 with bolts 33 so that the lower planes 20c and 21c of the lower part of the vertical sewing blade holding shaft 9 are slidably contacted. An upper plate 34 is fixed to the upper surfaces of the holders 12 and 13 with set screws 35.
Are screwed with fixing screws 14 and 15.

The tips of the fixing screws 14 and 15 can be brought into contact with and separated from the surface of the holding shaft 9 of the vertical sewing machine blade.
Knobs 14a and 15a are provided at locations protruding out of the outside 13. If the holding screws 14 and 15 are turned in either direction while holding the knobs 14a and 15a, the vertical sewing machine blade holding shaft 9 is pressed against the holders 12 and 13 at its tip to fix or release. Can be.

As shown in FIGS. 2 and 3, the adjusting shaft 16 has a front flat surface 20a at the left end of the vertical sewing machine blade holding shaft 9.
Is inserted into the left side holder 12. The main body of the adjustment shaft 16 is rotatably inserted into a smooth hole 36 formed in the surface of the left holder 12 and has a hexagonal head 16 a outside the holder 12. Inside the hexagonal head 16a,
In order to prevent the adjustment shaft 16 from dropping out of the hole 36,
An annular groove 37 is provided, into which a fall prevention plate 38 is fitted. The falling-off prevention plate 38 is attached to the holder 12.
Is fixed with a screw 39. Therefore, the hexagonal head 16a
By rotating the adjustment shaft 16 while holding it with a spanner or the like, the adjustment shaft 16 freely rotates in the hole 36 of the holder 12 while being gripped by the falling-off prevention plate 38.

An eccentric pin 17 is provided at the tip of the adjusting shaft 16 in the hole 36 so as to be eccentric from the central axis of the adjusting shaft 16 by an eccentric amount E as shown in FIG.
On the other hand, a groove 18 is provided at the left end of the vertical sewing machine blade holding shaft 9 along a front plane 20a and orthogonal to the center axis of the vertical sewing machine blade holding shaft 9.
Is penetrating. The width of the groove 18 is substantially equal to the diameter of the eccentric pin 17, so that the eccentric pin 17 can be inserted into the groove 1 without rattling.
8 can be slid.

When the eccentric pin 17 rotates around the center axis of the adjustment shaft 16 with the rotation of the adjustment shaft 16, the vertical sewing machine blade holding shaft engages with the eccentric pin 17 via the groove 18. 9 moves a small amount in the left-right direction. This movement amount can be changed steplessly within a range of ± E.

Next, the operation of the horizontal position fine adjustment device for the vertical perforation blade will be described together with the operation of the vertical perforation processing device. Each connecting tool 22 is moved left and right on the vertical sewing machine blade holding shaft 9, and is fixed at a predetermined position by tightening a nut 24b, and the vertical sewing machine blade 7 is set at a desired position.

When it is necessary to shift all the vertical sewing blades 7 arranged as described above by a small amount to the right and left as a whole, the horizontal position fine adjustment device is operated. That is, first, the fixing screws 14 and 15 are loosened, and the vertical sewing blade holding shaft 9 is released.
It can be moved left and right.

Next, the adjustment shaft 16 is rotated together with the eccentric pin 17. As a result, the eccentric pin 17 slides in the groove 18, and the vertical sewing blade holding shaft 9 slides by a very small amount in the left-right direction while being guided by the holders 12, 13. Thus, all the vertical sewing blades 7 held by the vertical sewing blade holding shaft 9 move in the left and right direction by a very small amount.

Thereafter, the fixing screws 14 and 15 are turned to fix the vertical sewing machine blade holding shaft 9 to the holders 12 and 13, and the printing press is operated. The printing substrate 3 reaches the processing unit 2 via the printing unit 1 of the printing press, and a plurality of vertical perforations are formed by the vertical sewing blade 7.

[0029]

According to the present invention, all the vertical sewing blades can be moved left and right only by loosening the fixing screw and turning the adjustment shaft together with the eccentric pin. Therefore, the position of the vertical sewing blade can be adjusted easily and quickly.
In addition, a minute amount can be moved steplessly, and fine-grained position adjustment can be performed.

[Brief description of the drawings]

FIG. 1 is a plan view of a vertical perforation processing device provided with a vertical perforation blade horizontal position adjusting device according to the present invention.

FIG. 2 is an enlarged view of a portion II in FIG.

FIG. 3 is a front view of a part shown in FIG. 2;

FIG. 4 is a sectional view taken along line IV-IV in FIG.

FIG. 5 is an enlarged view of a portion V in FIG.

FIG. 6 is a front view of the part shown in FIG. 5;

FIG. 7 is a sectional view taken along the line VII-VII in FIG. 1;

FIG. 8 is an enlarged view of a portion VIII in FIG.

FIG. 9 is a sectional view taken along line IX-IX in FIG. 1;

FIG. 10 is a schematic side view of a printing machine provided with the vertical perforation processing device.

[Explanation of symbols]

 7 Vertical sewing machine blade 10, 11 Left and right frame of printing press 9 Vertical machine blade holding shaft 12, 13 Left and right holder 14, 15 Fixing screw 16 Adjustment shaft 17 Eccentric pin 18 Groove

Claims (1)

(57) [Scope of request for utility model registration] 1. A vertical sewing machine blade holding shaft spanned between left and right frames of a printing machine that rotatably holds a plurality of vertical sewing machine blades, and the vertical sewing machine blade holding shaft can slide in the left-right direction. The right and left holders supported on the frame, the fixing screws provided on the holder for fixing the vertical sewing machine blade holding shaft, and the one of the right and left holders are rotated at right angles to the vertical sewing machine blade holding shaft. An adjustable shaft mounted movably, an eccentric pin provided at a tip of the adjustable shaft, and a groove formed on the vertical sewing machine blade holding shaft so as to intersect the central axis thereof and engage with the eccentric pin. A horizontal position fine adjustment device for a vertical sewing machine blade.