JPS597376B2 - printer cutter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention is used in combination with a printer that continuously prints photographs on a roll of photographic paper (hereinafter referred to as "roll paper"). It is related to a cutter that cuts.

More specifically, the present invention relates to a cutter that can cut both types of prints: bordered prints that have a white border around the screen and borderless prints that have no border around the screen. Prints printed (printed) by printers include bordered prints, which have a white square border around the screen, and borderless prints, which have no borders.

For a long time, prints automatically printed in laboratories were usually bordered prints, but recently borderless prints have become popular, and labs are now able to supply both borderless and bordered prints. It started to be requested. In the case of bordered printing, the screen is slightly smaller than the width of the roll paper, and is printed with a white space between adjacent screens, and the middle of this space is cut with a single-blade cutter.

For print without paper, fill the entire width of the roll paper,
Adjacent screens are printed with a slight overlap, and this overlap is cut off using a two-blade cutter. The pitch of the screen is the same in all cases, but if you try to make these two types of cuts at one location, the relative relationship between the position of the blade and the position of the screen will be slightly different in each case. The blade must be moved or replaced, or the paper feed amount must be changed in two stages, which requires a complicated mechanism. That is, 1
When making both types of cuts with a single blade, the cut position for borderless prints and the cut position for bordered prints must be shifted by half the width of the overlapped portion. This is because in the case of borderless printing, it is necessary to cut both ends of the overlapped portion in two operations. For this purpose, it is necessary to move the position of one blade by the amount of the deviation, or to complicate the feeding of the roll vapor. For example, in the case of bordered reprints, the roll vapor is moved by a certain pitch (which is exactly equal to the pitch of the screen), and in the case of borderless prints, the roll vapor is first moved by (the pitch) one (half of the overlapped part). You have to send vapor for the width of the overlapped part to cut it, then send vapor for the width of the overlap part to cut it. Also, when using both types of power, one blade and two blades, the blades must be replaced. SUMMARY OF THE INVENTION An object of the present invention is to provide a cutter that can cut both types of prints, with and without borders, using an extremely simple mechanism.

That is, the printer cutter according to the present invention is characterized in that it can cut both of the above types of prints without changing the blade or changing the amount of vapor feed. . The cutter of the present invention has a single-blade cutter for bordered reprints and a two-blade cutter for borderless prints, which are arranged at intervals equal to the pitch of the screen on the roll vapor, and these are placed on the vapor of the printer. It is installed adjacent to the delivery side, and both types of blades are selectively activated depending on the type of print.

In addition, one blade is placed near the print mask of the printer, so that when the printed vapor is sent out for one screen, it can be cut immediately at that position. This means that the vapor feed in the printer is directly used by the cutter, eliminating the need for a special vapor feed means on the cutter side.
This is possible because it does not require complicated feed rate changes on the cutter side. Next, embodiments of the present invention will be described in detail with reference to the drawings.

Figure 1 shows the cutting position of the edged reprint.
Roll vapor 1 has screens A, B, C, which have edges 2,
D is printed.

The lengths of each print are A, b, c, and d. For example, between screens B and C, the print is cut along cut line 3 at the position of the arrow. This cut is made with a single blade. FIG. 2 shows the cut position of the borderless print, in which borderless screens A, B, C, and D are printed on the roll vapor 1 with a tapered wrap portion 4.

The lengths of each print are A, b, c, and d. For example, between screen B (5C), the print is cut along the cut lines 5, 5 at two positions indicated by the arrow, and the overlapped portion 4 is cut off. In both FIG. 1 and FIG. 2, the pitch of printing by the printer (the pitch of the screen) corresponds to the length shown by L in the figure, and is equal in both cases.

As shown in FIGS. 3 and 4, the cutter according to the present invention has a single blade 6 for bordered reprinting and a two-blade 7 for borderless printing at a distance L equal to the pitch between them. It is arranged at a distance. One blade 6 is fixed blade 6a and 1
The movable blade 6b is arranged at the midline between the edges of the edged reprint (corresponding to the cut line 3 in Fig. 1), and the two-blade 7 is arranged between the fixed blade 7a and the two movable blades 6b. Moving blade 7b
The movable blade 7b is arranged at the cutting position of the borderless print (corresponding to the cutting lines 5, 5 in FIG. 2).

FIG. 3 is a side view showing the cut state of the edged reprint.

For reprinting with edges, print masks 8a and 8b
are positioned at intervals equal to the length of the screen sizes A, b, etc. in Figure 1, and after printing, the vapor 1 is moved by the screen pitch and a single blade 6 is used. and cut vapor 1. The two blades 7 are not activated, and only one blade is activated to perform the cut.

Figure 4 is a side view showing the cutting state of borderless print, and print masks 8a and 8b are used for screen size A in Figure 2.
, b......... are positioned at intervals equal to the length, and the paper feed is 2 times the screen pitch after printing.
After turning, the vapor 1 is cut using the two blades 7.

At this time, the single blade 6 is not used. The sending of vapor 1 is
Feed twice only for the first cut, 1 from the 2nd frame
In both of the cases shown in Figures 3 and 4, in which the feed of vapor 1 is the same as that used for printing on a printer, it is necessary to detect a special cut position for cutting, or to use a special cut position. There is no need to send anything.

As described above, the cutter according to the present invention has a single blade 6 for bordered reprinting and a two-blade 7 for borderless printing, which are arranged at an interval of the screen pitch and used selectively. Therefore, there is no need to move or replace the blade, and the operation and structure are simple.

In addition, since the double blades are provided adjacent to the vapor sending side of the printer, the feed of the printer can be used as is, and together with the fact that the spacing between the double blades is equal to the screen pitch, the feeding of the vapor 11 is simplified. In this respect, the structure and operation are simple.

[Brief explanation of drawings]

FIG. 1 is a plan view showing an example of a reprint with a border cut by the cutter of the present invention, FIG. 2 is a plan view showing an example of a borderless print, and FIG. Side view showing the state at the time of reprint cutting, 4th
The figure is also a side view showing the state at the time of borderless print cutting. 1...roll vapor, 2...edge,
4...Overlapping part, 3,5...
・Cut line, 6...1 blade, 7...2
Single blade, 8a, 8b...Print mask.

Claims (1)

[Claims] 1. A printer with edges that is provided adjacent to the paper delivery side of a printer that continuously prints photographs on roll paper and arranged at intervals equal to the printing pitch of the roll paper. A cutter for a printer, comprising a single blade for borderless printing and two blades for borderless printing, and is characterized in that one of these blades is selectively operated to cut roll paper for each print. 2 One of the one-blade and two-blade blade is provided near the print mask in the printer, and the other is provided at a distance from the one blade equal to the print pitch. A cutter for a printer according to claim 1, characterized in that: 3. The cutter for a printer according to claim 2, wherein the single blade is provided near a print mask.