JP2517124Y2 - Jig device for engraving machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention mainly relates to a model copying arm of an engraving machine, and has a function of controlling the operating conditions of an engraving tool within a required range. Jig device.

(Prior art and problems) The engraving machine used to manufacture molding dies of synthetic resin mainly moves the tool following the model of the target mold and cuts the surface to be processed. It is easy to perform three-dimensional processing. However, in this engraving machine, for example, if you want to perform fine linear processing,
The straight line ruler attached to the model mounting table (copy table) can be used, but this product is not accurate and the finished condition of the product is not preferable. Therefore, there are many inconveniences in the production of various problems. In addition, since it is inconvenient for an engraving machine to continuously or to provide scattered holes, it is generally necessary to separately use a machine tool such as a drilling machine, and it is necessary to replace the work piece. Since it is necessary, there is a drawback that the work efficiency becomes low.

Therefore, the inventor of the present invention devised a prior application (Actual No. 61-122893).
Thus, a jig device for solving the above problems was obtained.

However, since the range of the rotation angle is specified in this product, it is restricted by work, and mainly limited to linear copying and local processing at scattered positions (for example, positioning of hole processing). There was inconvenience.

(Means for Solving the Problem) The present invention solves the above-mentioned problems and precisely and easily performs not only a straight line but also a circle or a combination of both, and cutting work such as hole drilling. Another object of the present invention is to provide a jig device for copying that can be used for

That is, according to the present invention, a fixed attachment piece and a movable attachment piece for attaching to a table of an engraving machine so as to be attachable are formed on the back surface thereof, and both the fixed attachment piece and the movable attachment piece are formed from the front surface. A surface plate formed so as not to project upward, a rotary plate rotatably fitted in a recess provided on the surface plate, and the rotary plate integrated with the rotary plate and rotated across a rotation center. Stretched so that it projects to both outsides of the board,
A linear ruler with a scale that rotates on the platen together with the rotary plate, and a guide ruler formed along both longitudinal edges of the linear ruler so as not to hinder the rotation of the linear ruler on the outer surface thereof. And a slider for copying that is slidable along the straight line ruler; and the platen and the rotating plate do not hinder the rotation of the straight line ruler.
The surface is formed into a substantially flat surface, an angle scale is attached to the upper surface of the surface plate at the outer peripheral edge of the rotating plate, and a rotation angle reading pointer is formed on the rotating part including a linear ruler. A positioning means is formed for the slider, and the slider is rotated to a rotation center portion which is a reference for rotation of the copying operation member of the engraving machine at a position aligned with a line of a straight line ruler passing through the rotation center of the rotating plate. The dimensional scale fixed and on the linear ruler is configured such that the pointer of the slider indicates the reference point at a position where the center of rotation of the slider matches the center of rotation of the rotary plate. .

(Operation) According to the present invention, the rotatable rotary plate provided on the surface plate detachably attached to the table can rotate appropriately and is stopped and fixed at a predetermined position.

The linear ruler with a scale protruding outwardly across the center of rotation can be appropriately rotated together with the rotating plate about the center of rotation, and is stopped and fixed at an appropriate position.

The slider for copying, which is slidable along a straight line ruler,
It slides on a straight line ruler and is fixed at an appropriate position.

Also, for example, if you connect the copying operation arm of the engraving machine to the straight line ruler. The cutter of the engraving machine can be moved linearly, and if the required rotation angle is rotated from the reference position to fix and position it, the machining straight line of the inclined straight line can be moved, and the slider is fixed to the required position and turned. If the moving part is unlocked, a circle will be drawn according to the set ratio (reduction ratio of the pantograph in which the operating arm is incorporated) corresponding to the radius from the center of rotation to the center of the pin engaging hole with the copying operating arm at the slider fixed position. be able to. Further, by setting the rotation angle of the rotating unit and the movement amount on the straight line ruler and fixing them, the copying operation arm can be moved along a specific position on the XY coordinates.

(Embodiment) An embodiment of the present invention will be described below with reference to the drawings.

As shown in FIGS. 1 to 5, the device according to the present invention comprises a surface plate 1 mounted on a copy table 50 of an engraving machine, a rotary plate 10 mounted on the surface plate 1 and rotatable.
A straight line ruler 20 that passes through the center of the rotary plate 10 and protrudes to both sides longer than the surface plate 1 and is fixed to the rotary plate 10, and is attached slidably along the straight line ruler 20 for copying. It consists of a slider 30 and.

The surface plate 1 has an appropriate thickness and is provided with a circular recess 2 on the upper surface, and the back surface 3 has a fixed mounting piece 4 for engaging and fixing the mounting dovetail groove 51 provided on the copy table 50 of the engraving machine.
And a movable mounting piece 4'are provided in parallel as shown in FIG. The movable mounting piece 4'is attached by a screw 6 through a stepped long hole 5 provided on the surface plate 1 in a direction orthogonal to the axis of the movable mounting piece 4 so that the distance between the movable mounting piece 4'and the fixed mounting piece 4 can be adjusted. There is. Of course, the head of the screw 6 is in the stepped long hole 5 so as to fit below the upper surface of the surface plate 1. Further, the recess 2 on the upper surface of the surface plate 1 is provided with a bearing surface 2'of the rotating plate 10 having an appropriate width at the peripheral edge portion of the inner bottom surface thereof. Narrow groove 2 ″ is engraved on the surface of the recess 2 and a portion other than the sled is stepped to make it lower. 1. An angle scale 7 is provided on the upper surface of the top surface of the mounting piece 4, 4'with a reference point on the center line parallel to the axial direction.

The rotary plate 10 is fitted in the recess 2 of the surface plate 1 and has a bearing surface 2 '.
The upper surface of the platen has an appropriate width of the peripheral edge substantially matched with the upper surface of the surface plate 1, and the central part is slightly higher than that.
With the linear ruler 20 fixed on the upper surface, the rotary shaft pin 15 at the center
Is rotatably attached to the surface plate 1. Numerals 13 and 13 are positioning screws for fixing the rotary plate 10, and the tip thereof is brought into contact with the inner groove 2 ″ of the recess 2 of the surface plate 1 to give resistance.

As shown in FIGS. 1 and 2, the straight line ruler 20 is longer than the maximum length dimension of the surface plate 1 and has an appropriate width, and both longitudinal edges are guide brim edges whose cross sections are shown in FIG. A groove 22 is formed on the upper surface in the longitudinal center line with the appropriate size left from both ends, and the supporting portion by the rotary shaft pin 15 is a head portion 15 'of the rotary shaft pin 15. There is a counterbore for accommodating the. Further, a window 24 is provided at a position distant from the center of the straight line ruler 20 by a radius equivalent to that of the rotary plate 10, and an outer edge of the window 24 is formed as an inclined surface 24 ', and the surface plate 1 is provided on the center line. A pointer scale 25 corresponding to the side angle scale 7 is engraved. 26 is a mounting screw.

A slider 30 for copying provided on such a straight line ruler 20 is slidably and irremovably slidably fitted by a guide flange 21 and a position reading window is provided on the upper surface of the slider 30.
A straight line ruler having a hole 31 and passing through the center of rotation of the rotary plate 10.
A copying operation pin engaging hole 32 is formed at a position matching the center line of the longitudinal direction of 20, and a set bolt 33 for fixing to the linear ruler 20 at a required position is provided on one side surface of the slider 30 and a guide flange edge. It is provided so that the tip can abut on 21.

Further, in the linear ruler 20, at the position where the center of the copying operation pin engagement hole 32 of the slider 30 matches the center of the rotary shaft pin 15 of the rotary plate 10, the pointer of the slider 30 is read so that the reference point can be read. The length dimension scale 27 is engraved in association therewith. That is, in the length scale 27, the starting end near the center of rotation of the rotary plate 10 is positioned such that the center of the copying operation pin engagement hole 32 of the slider 30 matches the center of the rotary shaft pin 15 of the rotary plate 10. At 0, the position matching the pointer scale 34 attached to the edge of the position reading window 31 of the slider 30 is set to 0.
The slider 30 is engraved within the range in which the slider 30 can move so as to be in the position.

The slider 30 is provided with a plurality of positioning screws 35 also serving as a detachment prevention, and is planted in a state in which a tip portion of the linear ruler 20 is protruded into a groove 22 and is engaged with both ends of the groove 22. The slider 30 is designed so as not to come off and come out, and the positioning screw 35 can fix the slider 30 at a predetermined position. Reference numeral 16 is a retaining screw for fixing the rotary shaft pin 15, and 17 is a bearing bush that supports the rotary shaft pin 15.

According to this embodiment having such a construction, the fixed mounting piece 4 and the movable mounting piece 4'are engaged with the mounting dovetail groove 51 on the copy table 50 of a known engraving machine for use. Fix the board 1. At this time, the two mounting dovetail grooves 51, 51 'are engaged with the one mounting dovetail groove 51' on the basis of the movable mounting piece 4 ', and the outer inclined surface of the fixed mounting piece 4 is mounted on the other side. It can be fixed by tightening the screw 6 in a state in which the dovetail groove 51 is engaged with and pressed against each other.

The copying operation arm 55 of the engraving machine constitutes a copying operation member of the engraving machine, a pin 56 is attached to an end portion of the operation arm 55, and the copying operation pin engaging hole 32 is an operation arm. A pin 56 of the operation arm 55 is formed by fixing the pin 56 of the operation arm 55 as a center of rotation of the operation arm 55 by inserting the pin 56 of the operation arm 55 into the copying operation pin engagement hole 32. It is configured to act as a reference for the operation of the operating arm 55. Further, the copying operation arm 55 of the engraving machine, which is a copying operation member of the engraving machine, has an operation arm in the copying operation pin engagement hole 32 which constitutes a rotation center part for rotationally fixing the operation arm 55 in the copying slider 30. A pin 56 attached to the end of 55 is fitted and connected to the device according to this embodiment.

At the time of processing operation, the straight line ruler 20 is set to the angle 0 of the angle scale 7 on the surface plate 1 as shown in FIG. 1 (this position is not necessarily 0 °, and may be 90 ° or 180 °). (Adjust) Adjust the pointer scale 25, fix the rotating plate 10 with the set screw 13, and then set the stoppers 36, 36 at the required positions on the straight line ruler 20 with a required distance according to the work. If fixed by, the copying operation arm 55 can be moved within the range set by the stoppers 36, 36 by the operation of the copying drive device of the engraving machine, and the straight line cutting corresponding to the length of the section can be cut. it can. Therefore, if the working table of the engraving machine is laterally fed, it is possible to machine, for example, grooves of straight lines parallel to each other in the copying movement length according to the feeding pitch. Further, the straight line ruler 20 can be swung to a position displaced by a required angle from the reference position by unfixing the rotary plate 10 and rotating the rotary plate 10 in accordance with the angle scale 7. Therefore, if the rotary plate 10 is fixed with the positioning screw 13 in accordance with the required angle, a copying operation along the straight line ruler 20 can be performed at that position. Of course, if the positions of the stoppers 36, 36 are changed, it is possible to perform linear copying processing within a setting range corresponding to that.

If the slider 30 is fixed at a required position with an attached positioning screw 35, it is possible to make a hole in a workpiece corresponding to the position. At this time, since the fixing is performed at a plurality of places, the positioning can be performed without causing the deviation. (When not fixing, loosen with the tip protruding into the groove 22.) Further, unfix the rotating plate 10, and on the straight line ruler 20,
If the slider 30 is fixed at a required position, a circular copying process corresponding to a circle whose radius is the length from the rotation center to the fixed position can be performed.

Therefore, if the movable section by the stoppers 36, 36 can be moved on the straight line ruler 20 and the rotary operation is performed, copying of a deformed circle can be performed.

In the above-described embodiment, the rotary plate 10 has a relatively large diameter with respect to the surface plate 1, but the rotary plate 10 may have a small diameter if necessary. As for the rotation fixing means, the straight ruler 20 may be provided with a fixing screw for the surface plate 1. In addition, the rotary scale 10 may be provided with a pointer scale for the rotation angle.

The jig device for an engraving machine is not limited to an engraving machine for producing a molding die of synthetic resin or the like, and it is of course used for various engraving machines.

(Effect of the Invention) According to the present invention, by fixing the copy table of the engraving machine under a predetermined condition, and thereafter, by selecting the set angle of the linear ruler and the moving range of the slider for copying, It is useful as a jig for an engraving machine that requires fine processing because it can easily and easily perform linear copying, for example, punching or circular processing of a copying operation arm connected to a slider. I can say.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a plan view of a jig device as an embodiment according to the present invention, FIG. 2 is a side view of the example shown in FIG. 1, and FIG. 3 is a main part of the example shown in FIG. 4 is an enlarged sectional view taken along line IV-IV of FIG. 1, and FIG. 5 is an enlarged sectional view taken along line VV of FIG. 1 ... Surface plate, 2 ... Recess 3 ... Back surface, 4 ... Fixed mounting piece 4 '... Movable mounting piece, 5 ... Long hole 6 ... Screw, 7 ... Angle scale 10 ... Rotating plate , 13 ...... Set screw 15 …… Rotary shaft pin 16 …… Rotary shaft pin retaining pin 17 …… Bearing bush, 20 …… Linear ruler 21 …… Guide flange, 22 …… Groove 24 …… Window, 24 '…… Inclined surface 25 …… Indicator scale, 26 …… Mounting screw 27 …… Length dimension scale, 30 …… Slider 31 …… Position reading window, 32 …… Copy operation pin engagement hole 34 …… Indicator scale , 35 Set screw 36 Stopper, 36 'Set bolt 50 Engraver copy table 51 Dovetail mounting groove 55 Copy operation arm 56 Copy operation pin

Claims (2)

(57) [Scope of utility model registration request] 1. A fixed attachment piece and a movable attachment piece for detachably attaching to a table of an engraving machine are formed on the back surface thereof, and both the fixed attachment piece and the movable attachment piece are located above the surface thereof. A surface plate formed so as not to stick out, a rotary plate rotatably fitted in a recess provided on the surface plate, integrally with the rotary plate, and of the rotary plate across the center of rotation. A linear ruler with a scale that is stretched so as to project to both outsides and that rotates on a surface plate together with the rotating plate, and a rotation of the linear ruler on the outer surface of the guide flange edge formed along both longitudinal edges of the linear ruler. And a slider for copying, which is slidably inserted along the straight line ruler so as not to interfere with the straight line ruler; and the platen and the rotary plate do not block the rotation of the straight line ruler. So that its surface is almost flat. An angle scale is attached to the upper surface of the surface plate at the outer peripheral edge of the rotating plate, a rotation angle reading pointer is formed on the rotating portion including a straight line ruler, and a positioning means for the surface plate is formed, On the slider, the copying operation member of the engraving machine is pivotally fixed to the center of rotation that serves as the reference for rotation at a position that matches the line of the straight line ruler that passes through the center of rotation of the rotating plate. A jig device for an engraving machine, wherein the scale is provided at a position where the center of rotation of the slider coincides with the center of rotation of the rotary plate and the pointer of the slider indicates a reference point. 2. A surface plate is provided with a recess, a rotary plate is rotatably fitted in the recess, and an angular scale is attached to the upper surface of the peripheral edge of the recess of the platen. Jig device for the engraving machine described.