JP2020199576A - Processing mechanism - Google Patents

Abstract

To provide a processing mechanism that can tilt a processing tool in a freer direction so as to apply various processing to a material.SOLUTION: In a processing mechanism according to the present invention, a head 2 comprises a support part 13 that is supported movably along a first shaft extending in a direction in which the shaft approaches and separates from a material W and can turn around a second shaft and a third shaft, and a joint part 18 positioned at the opposite side of an attachment part 10. A main body 3 comprises: a track part 20 extending along the first shaft; a slide part 21 that is guided by the track part 20 to move; a rod 23 whose one end part is connected to the slide part 21; and a moving body 25, linked to the other end part of the rod 23 and is linked to the joint part 18, which moves along a predetermined reference surface orthogonal to the first shaft in response to movement of the slide part 21, to change a posture of the head 2.SELECTED DRAWING: Figure 1

Description

The present invention relates to a processing mechanism in which a head to which a processing tool is attached is moved to perform predetermined processing on a material.

For example, a drawing tool such as an inkjet or a processing tool such as a cutting tool such as a laser ejector or a cutting blade can be attached, and by moving the head to which this processing tool is attached, a predetermined processing can be performed on the material. A processing mechanism that can be applied is known. As such a processing mechanism, the applicant has proposed the apparatus shown in Patent Document 1. This device uses a cutting blade as a processing tool to perform a predetermined cutting process on a material. In this device, a tilting drive mechanism for tilting the cutting blade is provided in the head, and the material can be cut diagonally by moving the head with the cutting blade tilted with respect to the material. is there.

Japanese Unexamined Patent Publication No. 2014-237215

By the way, in the above-mentioned tilting drive mechanism, a mounting portion for attaching a cutting blade to the head body is rotatably supported via a swing shaft, and the swing shaft is rotated by a motor or the like to cut. It tilts the blade. That is, since the direction in which the cutting blade can be tilted is limited to the direction in which it can be rotated by the swing shaft, the shape that can be cut is limited.

The present invention has been made in view of these points, and a processing tool such as a cutting blade can be tilted in a more free direction, whereby various processing can be performed on a material. The purpose is to provide a flexible processing mechanism.

The processing mechanism of the present invention includes a main body and a head provided with a mounting portion to which a processing tool for processing a material is attached, and the head is oriented so as to approach and separate from the main body with respect to the main body. It is movably supported along the first axis extending along the first axis, is rotatable around the second axis extending in a direction intersecting the first axis, and is with the first axis. The main body includes a support portion that is rotatable around a third axis that intersects with each of the second axes, and a joint portion that is located on the opposite side of the mounting portion with respect to the support portion. A plurality of track portions extending along the first axis, a plurality of slide portions guided by each of the track portions, and a plurality of rods having one end connected to each of the slide portions. It is connected to the other end of each of the rods and is connected to the joint portion, and moves along a predetermined reference plane orthogonal to the first axis according to the movement of the slide portion to change the posture of the head. It is equipped with a moving body.

In such a processing mechanism, it is preferable that the support portion is supported by the track portion.

Further, in such a processing mechanism, the head preferably includes a rotation driving unit capable of rotating the processing tool around the first axis.

Further, it is preferable that the distance between the support portion and the joint portion can be changed.

It is preferable that the main body includes three orbital portions and is arranged at a position forming a substantially equilateral triangle when these orbital portions are viewed facing the reference plane.

In the present specification and the like, processing a material is not limited to processing for removing the material like a cutting blade, and for example, processing for laminating a new material on the original material such as a three-dimensional printer. Also includes.

According to the processing mechanism of the present invention, the moving body can be moved to an arbitrary position along a predetermined reference plane according to the amount of movement of the plurality of slide portions provided on the main body. Here, the head is provided with a mounting portion to which a processing tool for processing the material is attached and is supported by the main body portion by the supporting portion, and a moving body is on the opposite side of the mounting portion with the support portion as a reference. It has a joint part that connects to. Further, the support portion can rotate around the second axis and the third axis. Therefore, when the joint portion moves together with the moving body, the machining tool can be tilted in any direction with respect to the first axis together with the head. Further, since the support portion is movably supported with respect to the main body along the first axis, the machining tool can be moved together with the head in the direction of approaching and separating from the material as the sliding portion moves. it can. As described above, according to the processing mechanism of the present invention, the processing tool can be moved in the direction of approaching and separating from the material together with the head, and can be tilted in any direction. Therefore, various processing can be performed on the material. Can be applied.

Here, when the support portion is supported by the main body, the track portion may be provided separately from the track portion that guides the slide portion, but by using the same as the track portion of the slide portion, the configuration can be simplified. Costs can be reduced.

Further, when the head is provided with a rotation drive unit capable of rotating the machining tool around the first axis, the degree of freedom of rotation of the machining tool is 3, and the machining tool is oriented in any direction. Therefore, more various processing can be applied to the material.

When the distance between the support portion and the joint portion can be changed, the tilt angle of the head can be changed even if the movement amount of the moving body does not change. Therefore, for example, even when the amount of movement of the moving body is limited, the head can be greatly tilted.

It is a perspective view which shows typically the cutting mechanism which is one Embodiment of the processing mechanism which follows this invention. It is a top view of the cutting mechanism shown in FIG. It is sectional drawing of the moving body in the cutting mechanism shown in FIG. It is explanatory drawing which showed the position of the moving body and the inclination of a head in the cutting mechanism shown in FIG. It is a figure which showed an example of the shape which can be cut when cutting a material by the cutting mechanism shown in FIG.

Hereinafter, a cutting mechanism, which is an embodiment of a processing mechanism according to the present invention, will be described with reference to the drawings. FIG. 1 is a diagram schematically showing an embodiment of a cutting mechanism according to the present invention. The cutting mechanism 1 of the present embodiment is composed of a head 2 on which the cutting blade S is mounted and a main body 3 capable of moving the head 2, and by moving the head 2 with respect to the main body 3, the cutting blade S is formed. The material W is cut with. In the present embodiment, it is assumed that the material W is placed on a plane parallel to the XY plane in the XYZ Cartesian coordinate system. Further, it is assumed that the head 2 is oriented parallel to the Z axis. In the XYZ Cartesian coordinate system shown here, it is assumed that the XY plane is oriented in the horizontal direction and the Z axis is oriented in the vertical direction. The first axis, the second axis, and the third axis in the present specification and the like correspond to the Z axis, the X axis, and the Y axis in the present embodiment, respectively.

First, the cutting blade S will be described. The cutting blade S of the present embodiment has an upper end portion that is detachably held by the head 2, extends relatively long toward the lower end portion (cutting edge S1), and has a flat extending surface S2. It has a flat blade shape. Cutting edges S3 for cutting the material W are provided on both side edges of the extending surface S2.

The head 2 is formed in a long axis shape as a whole, and a mounting portion 10 to which the upper end portion of the cutting blade S is attached is provided at the lower end portion thereof. The mounting portion 10 is configured so that once the cutting blade S is mounted, it is integrally held with the mounting portion 10, while the cutting blade S can be removed by performing a release operation. Various configurations can be adopted for the mounting portion 10, and the mounting portion 10 may use a mechanical force generally called a mechanical chuck, or may use a magnetism called a magnet chuck.

Further, inside the head 2, a rotation drive unit 11 capable of rotating the mounting portion 10 around the Z axis is provided in a state where the head 2 is oriented parallel to the Z axis. As a result, the cutting blade S attached to the mounting portion 10 can be rotated around the Z axis. The rotation drive unit 11 includes, for example, a servomotor, and can move the cutting blade S to an arbitrary angle around the Z axis in response to a command given to the servomotor.

A disc-shaped flange 12 is provided in the middle portion in the longitudinal direction of the head 2, and a support portion 13 for supporting the head 2 with respect to the main body 3 is provided on the radial outer side of the flange 12. ing. As shown in FIG. 2, the support portion 13 of the present embodiment is provided adjacent to the annular inner support portion 14 provided adjacent to the radial outer side of the flange 12 and the radial outer side of the inner support portion 14. It is provided with an annular outer support portion 15. Further, the flange 12 and the inner support portion 14 are connected to the inner support portion 14 via an X-axis rotating portion 16 capable of rotating the flange 12 around the X-axis. The inner support portion 14 and the outer support portion 15 are connected to the outer support portion 15 via a Y-axis rotating portion 17 capable of rotating the inner support portion 14 around the Y axis. As a result, the head 2 can be tilted in any direction with respect to both the X-axis and the Y-axis with respect to the outer support portion 15.

Then, as shown in FIG. 3, a joint portion 18 is provided at the upper end portion of the head 2 to be connected via a portion provided in a columnar shape. The joint portion 18 of the present embodiment is formed in a spherical shape.

Next, the main body 3 will be described. The main body 3 includes a base 19 extending along the Z axis. As shown in FIG. 2, a total of three bases 19 of the present embodiment are provided in a positional relationship in which they are arranged at the vertices of a substantially equilateral triangle in a plan view.

In the base portion 19, on the inner surface when arranged in a substantially equilateral triangle, a track portion 20 extending along the Z axis and a slide portion (first slide portion) that is guided by the track portion 20 and moves in the Z axis direction. 21) is provided. In the present embodiment, as shown in FIG. 1, two track portions 20 are arranged in parallel with each base portion 19, and the first slide portion 21 is provided so as to straddle the track portions 20. However, the configuration of the track portion 20 and the first slide portion 21 is not limited to this. Although not shown, a drive mechanism that combines, for example, a servomotor and a ball screw is connected to the first slide portion 21, and the first slide portion 21 is moved to the Z axis in response to a command given to the servomotor. It can be moved to any position in the direction.

Further, each track portion 20 is provided with a slide portion (second slide portion 22) provided separately from the first slide portion 21. Each second slide portion 22 is connected to the outer support portion 15 as shown in FIG. 2, and the outer support portion 15 moves together with the second slide portion 22 along the Z-axis direction. The second slide portion 22 is not provided with the drive mechanism included in the first slide portion 21.

A rod 23 is attached to the first slide portion 21 as shown in FIG. In this embodiment, two rods 23 arranged in parallel with one first slide portion 21 are provided. A universal joint 24 is provided at one end and the other end of each rod 23, and the first slide portion 21 and the rod 23 are connected via the universal joint 24.

A flat plate-shaped moving body 25 extending along the XY plane is connected to the universal joint 24 provided at the other end of the rod 23. As shown in the figure, the moving body 25 of the present embodiment is connected to a total of three first slide portions 21 by a total of six rods 23. Further, as shown in FIG. 3, in the central portion of the moving body 25, a receiving portion 26 having an inner peripheral surface having a concave spherical shape corresponding to the joint portion 18 and rotatably holding the joint portion 18 is provided. The receiving portion 26 of the present embodiment is located near the central portion of the spherical joint portion 18, and holds the joint portion 18 so as not to come out in the vertical direction.

According to the main body 3 having such a configuration, the moving body 25 can be moved to an arbitrary position in the plane along the XY plane. As shown in FIG. 4A, for example, one first slide portion 21 (the first slide portion 21 located on the left side in FIG. 4A) is moved upward in the Z-axis direction, while the other one. By moving the first slide portion 21 (the first slide portion 21 located on the right side in FIG. 4A) downward in the Z-axis direction, the moving body 25 is moved to the first slide on the left side in FIG. 4A. It can be moved along the XY plane so as to approach the portion 21. Further, if the first slide portion 21 is largely moved to the opposite side to the state shown in FIG. 4 (a) as shown in FIG. 4 (b), the moving body 25 is also moved to the opposite side along the XY plane. It can be moved a lot. In this way, by individually changing the movement amounts of the three first slide portions 21, the moving body 25 moves to an arbitrary position in the plane along the XY plane.

When the moving body 25 is moved in this way, the joint portion 18 of the head 2 is held by the receiving portion 26 of the moving body 25, and the head 2 has an X-axis and a Y-axis with respect to the outer support portion 15. Since it can be tilted with respect to both of the above, the head 2 can be tilted in an arbitrary direction according to the position where the moving body 25 moves.

Further, if the three first slide portions 21 are moved together in the Z-axis direction, the moving body 25 is raised or lowered in the Z-axis direction as shown in FIGS. 4 (a) and 4 (c). Can be made to.

Here, since the joint portion 18 is attached to the receiving portion 26 so as not to come out, the head 2 can also be raised and lowered as the moving body 25 rises and falls in the Z-axis direction.

As described above, according to the cutting mechanism 1 of the present embodiment, the head 2 can be tilted with respect to both the X-axis and the Y-axis with respect to the main body 3, so that the cutting blade S attached to the head 2 can also be tilted. It can be tilted in the same way. Further, the rotation drive unit 11 can move the cutting blade S to an arbitrary angle around the Z axis. Therefore, the cutting blade S can be oriented in any direction with respect to the X-axis, the Y-axis, and the Z-axis. Further, since the cutting mechanism 1 can raise and lower the head 2 to an arbitrary position in the Z-axis direction, the cutting blade S can be approached and separated from the material W. As described above, according to the cutting mechanism of the present invention, the cutting blade S can be moved in the direction of approaching and separating from the material W, or can be tilted in any direction. Therefore, for example, as shown in FIG. In addition, it is also possible to make a circular hole having a central axis that is inclined with respect to the Z-axis direction in the material W placed on the horizontal plane.

Although the cutting mechanism of the present invention has been described above by showing specific embodiments, the present invention is not limited to the embodiments described so far, and various modifications are made within the scope of the claims. Also included. For example, the base portion 19, the orbital portion 20, and the first slide portion 21 of the main body 3 are provided in a total of three in a positional relationship in which they are arranged at the vertices of a substantially equilateral triangle in a plan view, but an arrangement other than the equilateral triangle is adopted. May be good. The number of these is not limited to three, and may be plural. Further, although the second slide portion 22 moves along the same track portion 20 as the first slide portion 21, it may be guided by a track portion different from the track portion 20.

Further, in the present embodiment, as shown in FIG. 1, the first slide portion 21 is positioned above the moving body 25, and the rod 23 is directed diagonally downward from the first slide portion 21 toward the moving body 25. However, the first slide portion 21 may be positioned below the moving body 25, and the rod 23 may be directed obliquely upward from the first slide portion 21 toward the moving body 25.

Further, the flange 12 may be configured to be movable with respect to the head 2 along the axis thereof so that the distance between the flange 12 and the joint portion 18 can be changed. As a result, the tilt angle of the head 2 can be changed even if the amount of movement of the moving body 25 does not change. Therefore, for example, even when the amount of movement of the moving body 25 is limited, the head 2 can be tilted significantly, so that the processable range for the material W can be expanded.

Further, the receiving portion 26 was located near the central portion of the spherical joint portion 18 and held the joint portion 18 in the vertical direction so as not to come out, but was above the central portion of the joint portion 18. It may be positioned. In this case, for example, an elastic body for urging the support portion 13 upward is provided. That is, in this configuration, even if the support portion 13 moves the moving body 25 upward with respect to the main body 3, the joint portion 18 cannot be pulled up by the receiving portion 26, but the support portion 13 is urged upward. The elastic body allows the receiving portion 26 and the joint portion 18 to move integrally in the vertical direction. Therefore, even with this configuration, the cutting blade S can be moved in a direction that approaches and separates from the material W, or can be tilted in an arbitrary direction.

Further, in the above-described embodiment, the cutting blade S is attached as a processing tool so that the material can be cut. However, a laser injector is provided instead of the cutting blade S, and the material is processed by a laser. May be good. Further, the processing tool is not limited to the one that cuts the material, and a drawing tool such as an inkjet or a writing instrument (brush, pen, etc.) may be attached to the material to draw a predetermined drawing. Further, a ruled line tool for providing a ruled line on corrugated cardboard or the like may be attached. Further, a laminating tool such as a three-dimensional printer for laminating a new material on the original material may be attached.

1: Cutting mechanism (processing mechanism)
2: Head 3: Main body 10: Mounting part 11: Rotation drive part 12: Flange 13: Support part 14: Inner support part 15: Outer support part 16: X-axis rotation part 17: Y-axis rotation part 18: Joint part 19 : Base 20: Track 21: First slide (slide)
22: Second slide part 23: Rod 24: Universal joint 25: Moving body 26: Receiving part S: Cutting blade (machining tool)
S1: Cutting edge S2: Extended surface S3: Cutting edge W: Material

Claims (5)

With the main body
It is configured to include a head with a mounting part to which a processing tool for processing the material is attached.
The head
The main body is movably supported along a first axis extending in a direction approaching and separating from the material, and around a second axis extending in a direction intersecting the first axis. A support portion that is rotatable and rotatable around a third axis that intersects each of the first axis and the second axis.
A joint portion located on the opposite side of the mounting portion with reference to the support portion is provided.
The main body
A plurality of track portions extending along the first axis and
A plurality of slide portions that are guided and moved by each of the track portions,
A plurality of rods whose one end is connected to each of the slide portions,
It is connected to each other end of the rod and is connected to the joint portion, and moves along a predetermined reference plane orthogonal to the first axis according to the movement of the slide portion to change the posture of the head. A processing mechanism that includes a moving body. The processing mechanism according to claim 1, wherein the support portion is supported by the track portion. The processing mechanism according to claim 1 or 2, wherein the head includes a rotation driving unit capable of rotating the processing tool around the first axis. The processing mechanism according to any one of claims 1 to 3, wherein the distance between the support portion and the joint portion can be changed. Any of claims 1 to 4, wherein the main body includes three orbital portions and is arranged at a position forming a substantially equilateral triangle when these orbital portions are viewed facing the reference plane. The processing mechanism described in item 1.

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