JPH085819Y2 - Numbering position adjustment device for numbering device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a printing position adjusting device for a numbering ring in a numbering device for printing serial numbers on entrance tickets, coupons and the like.

[Conventional technology]

In the above numbering device, a mount ring is provided on the outer side of the mount ring so that the position of the mount ring can be adjusted, the number ring is attached to the outer side of the mount ring, and the number ring is rotated together with the mount ring shaft to pass below it. I am trying to print.

Since the numbering device attaches serial numbers to the printing paper, it is necessary to shift the numbering every time printing is performed.

Therefore, in the numbering device, a cam shaft is provided in parallel with the mount ring shaft, and a digit feed cam is attached to this cam shaft, and the digit feed lever provided on the number ring is rotated every time the mount ring shaft makes one rotation. The number ring is shifted by rocking due to contact with the cam.

When printing, normally adjust the numbering position according to the printing position of the printing paper fed to the numbering device, adjust the position of the digit feed cam at the same time, make a trial print at that adjustment position, and then Fine adjustment of the numbering and shift cam is performed by looking at the printed matter.

[Problems to be solved by the device]

By the way, in the conventional numbering device, since the numbering and the shift cam are finely adjusted separately, there is a disadvantage that the adjustment is very troublesome.

It is a technical object of the present invention to eliminate the above-mentioned inconvenience and facilitate the fine adjustment operation of the numbering ring and the shift cam.

[Means for solving the problem]

In order to solve the above problems, in the present invention, a mount ring shaft that supports a number ring and a cam shaft that supports a digit feed cam of the number ring are supported movably in the axial direction, and one end side of both shafts is supported. A pair of screw holes are formed on the support plate coaxially with the mount ring shaft and the cam shaft, and the screw shafts screw-engaged with the screw holes are rotatably attached to the ends of the shafts facing each other. A rotation transmission mechanism that connects the two screw shafts by the same amount by transmitting the rotation of one screw shaft to the other screw shaft between the pair of screw shafts. The configuration provided was adopted.

[Action]

According to the above configuration, when one of the screw shafts having the knob is rotated, the rotation is transmitted to the other screw shaft via the rotation transmission mechanism, and the pair of screw shafts rotates to move in the axial direction by the same amount. Since the mount ring shaft and the cam shaft move together with the respective screw shafts as they move, it is possible to adjust the position of the number ring and the shift cam at the same time while maintaining the relative positional relationship.

〔Example〕

An embodiment of the present invention will be described below with reference to the accompanying drawings.

As illustrated, a mount ring shaft 2 and a cam shaft 3 are provided between the pair of left and right side frames 1 and 1.

Two bearings 4 are attached to both ends of the mount ring shaft 2, and a guide cylinder 5 press-fitted to the outside of each bearing 4 is slidably inserted into a hole 6 formed in the side frame 1.

On the other hand, the cam shaft 3 is movably inserted into an insertion hole 7 formed in the side frame 1.

A mount ring 8 is provided outside the mount ring shaft 2.
Are fitted and locked by the key 9. A radial notch 10 is formed in the mount ring 8,
A guide block 11 formed on both sides of the notch 10 has a lid block 12
The ridges 13 provided on both sides of are inserted.

A lock screw 14 is screwed into the lid block 12 toward the mount ring shaft 2, and the mount ring 8 is fixed by tightening the lock screw 14.

On the outer circumference of the mount ring 8, there are formed ridges 15 that are inclined in opposite directions, and grooves 17 provided in the number ring 16 are fitted to the outer circumference of the ridges 15 so that the ridges are formed from the outside of the number ring 16. The number ring 16 is fixed by tightening a lock screw (not shown) screwed in toward 15.

The number ring 16 has a swingable digit feed lever 18 on one side, and the swing of the digit feed lever 18 causes a plurality of numeral rings 19 to rotate in order from the numeral ring 19 at the first place.

A cam holder 20 is attached to the outside of the cam shaft 3 so as to be movable in the axial direction, and is fixed by tightening a lock screw (not shown). A digit feed cam 21 for swinging the digit feed lever 18 is attached to the cam holder 20.

One of the pair of side frames 1 and 1 is provided with a support plate 22 on the outer side of the one side frame 1.
A pair of screw holes 23 and 24 are formed in the shaft 22 coaxially with the mount ring shaft 2 and the cam shaft 3.

Screw shafts 25 and 26 are screwed into the screw holes 23 and 24, respectively, while the screw shaft 25 is rotatably connected to an end of the mount ring shaft 2 via a bearing 27 so as to move together in the axial direction. ing.

The other screw shaft 26 is rotatably connected to the end of the cam shaft 3 via a bearing 28 so as to move together in the axial direction.

Of the pair of screw shafts 25, 26, the end of the screw shaft 25 connected to the end of the mount ring shaft 2 has a knob 29 for rotating operation.
Is provided, the screw shaft 25 is rotated by the rotation operation of the knob 29, and the rotation of the screw shaft 25 is transmitted to the other screw shaft 26 via the rotation transmission mechanism 30.

Here, in the rotation transmission mechanism 30, the sprocket 31 is attached to each of the pair of screw shafts 25 and 26, and the sprocket 31
Although the structure is such that the chain 32 is spanned between them, the structure is not limited to this, and a gear transmission mechanism may be adopted, for example. Also, even if the screw shafts 25 and 26 have different pitches,
The rotation transmission mechanism 30 may be configured to have the same ratio so that the screw shafts 25 and 26 move by the same amount.

A lock nut 33 is screwed into the outside of the screw shaft 25 having the knob 29, and the screw shaft 25 is prevented from rotating by tightening the lock nut 33.

Although not shown in the embodiment, the cam shaft 3 is rotated in the set angle forward and reverse directions by a lever mechanism using a solenoid as a drive source, and the rotation causes the digit feeding cam 21 to contact the digit feeding lever 18. Position and shift lever 18
Is held in a position away from.

Now, when the mount ring shaft 2 is rotated, the number ring 16 rotates together with the mount ring shaft 2, and the number ring 16 can print a number on the printing paper P passing therebelow. After printing, the shift lever of the number ring 16 that rotates with the mount ring shaft 2
The number ring 16 is fed by the swing of the digit feed lever 18 by contacting the digit feed cam 21 and swinging.

When the size of the printing paper and the printing position of the number are changed by changing the order, the numbering ring 16 and the shift cam 21 are adjusted in position according to the printing position of the printing paper.

At the time of position adjustment, the lock screw 14 is loosened to move the mount ring 8 in the axial direction along the mount ring shaft 2 and the cam holder 20 along the cam shaft 3, and after the movement, test printing is performed. , Fine adjustment of the numbering ring 16 and the shift cam 21 by looking at the printed matter.

For fine adjustment, the knob 29 is operated to move the screw shaft 25 in the axial direction. By the axial movement of the screw shaft 25, the mount ring shaft 2 moves in the axial direction, and the number ring 16 is finely adjusted in the axial direction.

Further, the rotation of the screw shaft 25 having the knob 29 is a rotation transmission mechanism.
Since it is transmitted to the other screw shaft 26 by 30, the other screw shaft 26 also moves in the axial direction, and the movement of the screw shaft 26 causes the cam shaft 3 to move in the axial direction by the same amount as the moving amount of the mount ring shaft 2. Moving. Therefore, the shift cam 21 is finely adjusted while maintaining an appropriate positional relationship between the number ring 16 and the mount ring shaft.

[Effect of device]

As described above, in the printing position adjusting device for the numbering ring according to the present invention, the pair of screw shafts screwed into the screw holes of the support plate are rotatably attached to the end portions of the mount ring shaft and the cam shaft. Connect so that they move together in the direction,
The rotation transmission mechanism provided between the pair of screw shafts allows the pair of screw shafts to move in the axial direction by the same amount, so that the number ring and the cam supported by the mount ring shaft are rotated by the rotating operation of the one screw shaft. The shift cam supported by the shaft can be simultaneously moved while maintaining the relative positional relationship, and the fine adjustment operation is extremely easy.

[Brief description of drawings]

FIG. 1 is a vertical sectional front view showing an embodiment of the position adjusting device according to the present invention, and FIG. 2 is an enlarged sectional view taken along the line II-II in FIG. 2 …… Mount ring shaft, 3 …… Cam shaft, 16 …… Number ring, 18 …… Digit feed lever, 21 …… Digit feed cam,
22 …… Support plate, 23,24 …… Screw hole, 25,26 …… Screw shaft,
29 …… Pick, 30 …… Rotation transmission mechanism.

Claims (1)

[Scope of utility model registration request] 1. A camshaft which is mounted parallel to the mount ring shaft, in which a number ring having a digit feed lever on one side is mounted on the outer periphery of a mount ring shaft which is rotationally driven in one direction so as to be positionally adjustable in the axial direction. Is equipped with a digit feed cam,
In a numbering position adjusting device in a numbering device in which a digit feeding lever is swung by the contact with the cam to feed the number ring, the mount ring shaft and the cam shaft are movably supported in the axial direction. Then, a pair of screw holes are formed coaxially with the mount ring shaft and the cam shaft on the support plate provided on one end side of the both shafts, and the screw shafts screw-engaged with the respective screw holes are opposite to each other. Connected so as to be rotatable and move together in the axial direction,
One screw shaft is provided with a knob, and a rotation transmission mechanism that transmits the rotation of one screw shaft to the other screw shaft and moves both screw shafts by the same amount is provided between the pair of screw shafts. The printing position adjustment device of the number ring in the ring device.