JPS60108853A - Positioning device - Google Patents

Abstract

PURPOSE:To obtain a positioning device which positions a moving member with an easy operation and has a simple structure, by providing two positioning rails in parallel with a reference rail and moving always positioning members set to positioning rails by an interval of two contacting parts to make the extent of movement of a reference part constant. CONSTITUTION:A measuring part 4 is slided for a reference part 3, and a scale 3b and a dial gauge 3c are used to match the interval of contacting parts 3a and 4a to the interval of originals, and they are fixed. Next, the reference part 3, the measuring part 4, and positioning members 7 and 8 between them are moved to the first printing position. In this state, positioning members 7 and 8 are brought into contact with inside edges of contacting parts 3a and 4a, and positioning members are fixed to positioning rails. In this state, light is irradiated from a light source provided under a transparent plate 21 to print the image of an original 20 to a photosensitive film stuck to a supporting plate 22, and thus, the first printing is performed. Next, the first positioning member 7 is loosened, and the reference part 4 and the measuring part 4 are moved to the next printing position along a reference rail 2.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a positioning device used when performing a movement operation at equal intervals such as a plate printing machine, a screen-type printing machine for textile printing, a parallel ruler, etc. It is something.

[Technical background of the invention and its problems] In order to print multiple patterns from a single manuscript, such as with a plate printing machine or a printing press, it is necessary to move the manuscript at equal intervals and position the markings. There is. Also, when drawing many parallel lines on a drawing board, it is necessary to move the ruler at equal intervals.

Conventionally, this type of positioning at equal intervals has been achieved by setting a scale along the support rail for the document or ruler to be moved, fixing a positioning stopper in line with this scale, and then placing the document or ruler in contact with this stopper. Stop! I was doing it like that.

However, the work of fixing the stopper according to the scale becomes extremely complicated when the number of collars increases, and especially when
If the distance to be moved is a fractional dimension, it takes time to read the scale and reading errors often occur, which is not a preferable method.

Furthermore, recently, devices have been proposed that use step motors or other devices to move documents, rulers, etc. at equal intervals, but these devices have the disadvantage of complex structures and lack of versatility.

[Object of the Invention] The object of the present invention is that once the scale is read and the interval is set to 1, it is possible to position the moving member with a simple operation, and furthermore, it is possible to position the moving member by simple operation, and also by combining it with a cylinder or other drive device. It is an object of the present invention to provide a positioning device with a simple structure, which can perform positioning using the following methods.

[Approximate number of inventions] The positioning device of the present invention has a reference part that is a support member for a ruler or a document movably provided on a reference rail, and a measuring part is moved in the same direction as the moving direction of the reference part with respect to this reference part. the reference part and the measurement part are mounted so as to be movable in the direction, the distance between the contact parts provided on the reference part and the measurement part is set to match the distance between which the document or the like is to be moved, and two positioning rails are provided parallel to the reference rail; The positioning members movably attached to these positioning rails are
By moving the above-mentioned two contact parts so as to contact them alternately, the positioning part +J is always moved at the distance between the two contact parts, and the movement of the reference part regulated by this positioning member is controlled. The amount is kept constant.

[Embodiments of the Invention] Hereinafter, the present invention will be specifically explained according to an embodiment in which the present invention is used for moving a manuscript in a plate printing machine.

In Fig. 1, reference numeral 1 denotes a board fixed to the top of the printing press, and a reference rail 2 is installed on this board 1 in the width direction of the printing plate.
Being beaten. A reference section 3 is movably provided on the reference rail 2. A measuring section 4 that moves in the same direction as the moving direction of the reference section 3 is attached to the reference section 3. The reference part 3 and the measurement part 4 are integrally provided with claw-shaped contact parts 3a and 4a that extend toward you at right angles to the direction of movement of the people.
is being pulled. In addition, the reference part 3 includes these contact parts 3a.
, 4a and a full gauge 3C are provided on the die. Further, the reference portion 3 and the measurement portion 4 are provided with fixing means 3d such as screws for fixing both at predetermined positions.

On the other hand, on the front side of the reference rail 20, first and second positioning rails 5 and 6 are provided in parallel. As shown in FIG. 3, this positioning rail 5.6 has a locking edge 5a projecting from its upper opening.

It is a full size with 6a. This positioning rail 5,
Positioning members 7 and 8 are mounted within the rail 6 so as to be movable along the length of the rail. That is, the positioning member 7
．． 8 is fixed to slide plates 7a and 8a, and the slide plates 7a and Ba are slidably inserted into the grooves of the rails, and the positioning members 7.8 protrude from the frontage of the grooves onto the rails. . On the underside of this slide plate 78.8a,
Pressing plates 9, 1O are provided that extend over the entire length of the positioning rail. Further, on the lower side of the pressing plates 9 and 10, there is a rod-shaped member 11 that extends along the entire length of the positioning rail.
．． 12 has been inserted. The rod-shaped portions I411 and 12 have their upper portions J3 cut flat and have a large diameter portion and a small diameter portion.

A handle 118.12a for rotating the rod-shaped portion +J11.12 is integrally provided at one end of the rod-shaped portion +J11.12. Furthermore, rollers 13 that rotatably support a rod-shaped member are incorporated into a portion of the lower corner of the rail groove.

The positioning device of the present invention basically has the above-mentioned configuration, but in this embodiment, this is used as the original (^) of the plate printing machine.
In order to use it for positioning, the original fi2 is attached to the reference part 2.
A transparent plate 21 for setting 0 is removed.Furthermore, a film support plate 22 for setting a photosensitive film is disposed above the transparent plate 21. The plate 22 is removably fixed to the substrate 1 by screws 23 and 23 at both ends thereof.

The positioning device of this embodiment having such a configuration is used as shown in FIG.

First, slide the measuring part 4 with respect to the reference part 3, and use the scale 3b and dial gauge 3C to adjust the distance between the contact parts 3a and 4a to the distance between the originals to be printed by the plate printing machine, and then screw the The distance between the two is fixed using a fixing means 3d such as the like.

At this time, two positioning members 7 and 8 on the positioning rail side are inserted between each contact portion 3a and 4a. Next, the reference part 3, the measurement part 4, and each positioning member 7.8 therebetween
Move it to the first baking position.

This positioning member can be moved using the handle 11a at the end.

12a, rotate the rod-shaped member 11.12, and as shown in FIG.
10. In other words, the press plate 9.10 is lowered by the small diameter portion, and the positioning member 7.8 supported by this press plate is also lowered (and the locking edge of the slide plates 7a, 8a and the positioning rail A gap is created between the positioning members 5a and 6a.As a result, each positioning member 7 and 8 can move freely with respect to the positioning rail.

Therefore, the reference part 3 and the measurement part 4 are moved to the position for the first baking, and the positioning members 7 and 8 inserted between the contact parts are moved to the position shown in FIG. 2(A). Contact parts 3a, 4
．． a, and each positioning member is fixed to the positioning rail at that position. To fix this positioning member, as shown in FIG. 3(A), hold the rod-shaped members 11 and 12 by their handles 11a.

13a, rotate the large diameter part using the suppression plate 9°10
contact with. When it comes out, the pressing plate rises and the sliding plate is pressed against the locking edges 5a, 6a of the rail, so that the positioning member 7.8 is fixed.

In this state, light is irradiated from a light source provided below the transparent plate 21 to print the image of the original 20 on the photosensitive film attached to the support plate 22, thereby performing the first printing. After the completion of [burn] & -, loosen the first positioning member 7 and align the reference part 4 and g.
The eleven pieces 4 are moved along the reference rail 2 toward the next baking number position. At this time, when the first positioning member 7, which is in contact with the contact part 3a of the reference part 3, is moved by hand along the positioning rail 5, the first positioning member 7, which is in contact with the contact part 3a of the reference part 3, is moved along the positioning rail 5. After the positioning member 7 contacts the abutting part 4a of the measuring part 4, it moves the reference part 3 and the measuring part 4 to the next firing position via this abutting part 4a. It turns out.

In this way, the reference part 3, the measurement part 4, and the first positioning member 7 are arranged so that the contact part 3a of the reference part is continuously fixed in the second position, as shown in FIG. 2(B). It moves to a position where it comes into contact with the positioning member 8.

After the contact portion 3a contacts the second positioning member 8, the loosened first positioning member 7 is fixed to the positioning rail 5, and a second baking operation is performed. In this case, the reference section 3 and the transparent plate 21 on which the manuscript of the plate printing machine which moves together with it is fixed in advance.
The distance between the positioning members 7.8, that is, the contact portion 3a between the reference portion 3 and the measuring portion 4.

It is a distance equal to the distance of 4a. 1) It means that it has moved.

J3, more precisely, is the interval obtained by subtracting the radius of the second positioning member 8 from the interval between the respective abutting portions.

After the second baking is completed, the second positioning member 8 is loosened and the same operation is performed in the opposite direction to the previous time. Zuruto,
The reference part 3 and the cutting part 4 move until the contact part 3a of the reference part comes into contact with the first positioning member 7, and when the state is the same as that shown in FIG. 2 (△), the second positioning member 8 is fixed. In this case as well, only the relationship between the first and second positioning members is reversed, and the movement of the reference section 3 and measurement section 4 is the same as the first movement. By repeating this operation, the reference part 3 and the transparent plate 21 that moves together with the reference part 3 can be moved by a distance equal to the preset distance between the reference part and the abutting part of the measuring part.

[Other Examples] The present invention is not limited to the following embodiments,
Other embodiments as described below are also possible.

(2) In FIG. 4, the structure is the same as that of the previous embodiment, but the first positioning member 7 is positioned outside the contact portion 4a of the measuring section 4.

In this embodiment, after the first baking is performed as shown in FIG. 4(A), the second positioning member 8 is moved to the position of the measuring part 4 as shown in FIG. 4(B). It is moved until it comes into contact with the contact portion 4a and is fixed at that position. At this time, the reference part 3 and 81 measuring part 4 touch the first positioning part lower and move.Next, the first positioning member 7 is loosened, and it is moved together with the reference part 3, As shown in FIG. 4(C), the contact part 3a on the reference part side is fixed at a position where it contacts the second positioning member 8 which has already been moved and fixed. 3 and each member that moves together with it moves by 1 degree, which is the amount of movement of the second positioning member 8, which moves by the distance between the respective contact parts, so it is possible to perform the second baking process. can.

By repeating the same operations below, you can perform the baking work at equal intervals.

■ In the present invention, the reference part 3 and each member that moves together with the reference part 3 is moved to the next position by hand, but instead of using the hand, a tension spring is placed between the end of the substrate 1 and the reference part 3. When the positioning member is loosened, the reference portion and the loosened positioning member may be automatically moved to the fixed positioning member by the force of the spring.

■ In the present invention, there is a system in which the positioning members 7 and 8 move alternately, but instead of moving them alternately with separate handles, one lever is used as shown in Figure 5. You can also move it with

That is, in the embodiment shown in FIG. 5, the handle 11 provided on each rod-shaped member
A cam 30 with a small diameter part in the center is installed between a and 12a (
), and a spring 31 is provided between each handle to draw both to the circumferential surface of the cam 30, and the cam 30 is further provided with a lever 32 for rotating the handle.

To fix the A3-C1 positioning member 7.8 in this embodiment, the lever 32 is erected vertically as shown in the figure, so that the left and right large-diameter portions tilt down the handles 11a and 12a. Then,
The large diameter portion of the rod-shaped members 11 and 12 that are interlocked with the handles 11a and 12a is the slide plate 7a.

8a, so that the positioning member 7.8 is fixed. On the other hand, when either the front or rear lever 32 is tilted to one side, the handle on that side comes into contact with the small diameter portion of the cam, and is pulled up vertically by the force of the spring 31. As a result, the rod-shaped member no longer ICEs the slide plate, and the positioning member becomes movable.

(2) In each of the above-mentioned embodiments, the handle or lever is manually operated, but the positioning member may be moved and fixed by alternately rotating the handle or lever using a driving means such as a cylinder. In particular, if this driving means uses the spring described in (2) above, an automated positioning device can be obtained.

(2) As the means for fixing the positioning member, various means other than the rod-shaped member described above can be employed. A typical example of A is shown in Fig. 6, in which screws 7b and 8 are attached to the positioning member 7°8.
b, screw this into the slide plate 7a, Qa,
By tightening or loosening this screw, the positioning member is fixed in a predetermined position.

■ Shapes of the reference rail and positioning rail (well, the shapes are not limited to those shown in the drawings; for example, a positioning rail in which the positioning member is mounted on the rail in a horse-riding manner may be used).

(2) When the present invention is used as a parallel ruler positioning device, a ruler 40 is integrally installed on the reference portion 3 as shown in FIG. Of course, printing presses, printing (= liritsuki,
In addition to parallel rulers, the device of the present invention can be applied to any object that needs to be moved at equal intervals.

[Effects of the Invention] As described above, the positioning device of the present invention allows the positioning of the reference part and the unit thereof to be performed by a simple operation of alternately moving the three positioning members after setting the distance to be moved. Since each moving member can be moved at equal intervals, there is no need for complicated work such as reading a scale each time the member is moved, and the positioning of the members can be made extremely easy. In addition, positioning is possible with a simple operation of fixing and moving two positioning members that move along a positioning rail, so it can be easily achieved with manual or automatic equipment, and its uses are extremely wide. big.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing an embodiment of the positioning device of the present invention, FIG. 2 (A>(B) is a plan view showing a positioning method using the positioning device of FIG. 1, and FIG. )(B) is a sectional view showing the operation of the fixing means of the positioning member in the positioning device of FIG. 1, and FIGS. 4(A) to (C) are
5 and 6 are a plan view showing a positioning method according to another embodiment of the present invention, and FIG. 6 is a side view showing another embodiment of a positioning member fixing means according to the present invention, respectively. The sectional view and FIG. 7 show an embodiment in which the present invention is applied to a parallel ruler.
FIG. 1... Board, 2... Reference rail, 3... Reference part,
4...81 measuring part, 3a, 4a... contact part, 5, 6...
...Positioning rail, 5a, 6a...Locking edge, 7, 8
. . . Positioning portion 4a, 9, 10 . . . Pressing plate, 11.
12... Rod-shaped member, 11a, 12a... Handle, 20
... Original, 21 ... Transparent plate, 22 ... Film support plate, 30 ... Cam, 31 ... Spring, 32 ...
...Lever, 40...Ruler. Applicant Toshihiko Fujitani Agent Patent Attorney Mitsuharu Kiuchi Figure 2 (A) Figure 2 (B) Figure 3 (A) Figure 3 (B)

Claims (1)

[Claims] (1) A reference part is movably provided on a reference rail, a measuring part is attached to the reference part so as to be movable in the same direction as the moving direction of the reference part, and the reference part and the measuring part are movably mounted on the reference rail. A fixing means is provided for fixing both at a predetermined position, a contact portion is provided for each of the reference portion and the measurement portion (two positioning rails are provided in parallel with the reference rail, A positioning device characterized in that a positioning member is movably attached to each of these positioning rails, and is further provided with a fixing means for fixing these positioning members at predetermined positions on the positioning rail. (2) Reference part and eye measurement part As a contact part provided in
2. The positioning device according to claim 1, wherein a claw-like member extending perpendicularly to the moving direction of the reference portion and the contact portion is used, and a bottle-like member rising from a positioning rail is used as the positioning member. (3) The means for fixing the positioning member is such that the positioning member is movably mounted within a groove-shaped positioning rail having a locking edge at the opening, and a small diameter portion and a large diameter portion are provided below the positioning member. Hold the rod-shaped member along the direction of the positioning rail -C
The rod-shaped member is inserted into the rod-shaped member, and the rod-shaped member is provided with a handle for rotating the rod-shaped member in its circumferential direction, and the large diameter portion of the rod-shaped member is used to press the positioning member to the locking edge of the positioning rail. The positioning device according to item 1. (4) The positioning device according to claim 3, wherein the handles for fixing the positioning members attached to the two positioning rails are alternately rotated by one lever. (5) The positioning device according to claim 3 or 4, wherein the handle for fixing the positioning member is rotated by a drive device such as a cylinder. (6) As a means for fixing the positioning member, the positioning device The positioning device according to claim 1, which uses a screw that is provided on the member and fixes the positioning member and the positioning rail by fastening the screw. (7) The reference part is a plate printing machine or The positioning device according to claim 1, wherein the printing device is a document support member of a machine. (8) The positioning device according to claim 1, wherein the reference portion is a support member for a parallel ruler.