JP2002273629A - Xyz-driven machining device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a machining device capable of easily machining a large work in XYZ-directions. SOLUTION: A base (2) is fixed so as to cover an XY stage on the work. An opening part (7) is formed in the XY stage of the base (2), and a holding part (50) is provided in the opening part (7) movably in the X-axis direction, the Y-axis direction and the Z-axis direction. The holding part (50) has a spindle (51) for machining the work, and the spindle (51) of the holding part (50) is moved in the X-axis direction, the Y-axis direction and the Z-axis direction in the opening part (7) of the base (2).

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to X
The present invention relates to a YZ movable processing apparatus.

[0002]

2. Description of the Related Art It is common practice to perform three-dimensional machining on a workpiece.

[0003] Taking drilling as an example, a workpiece is installed on a machine tool to perform drilling.

[0004]

However, as is well known, the work of machining a heavy and large work is not easy and requires much time.

SUMMARY OF THE INVENTION An object of the present invention is to provide an XYZ drive type processing apparatus capable of easily performing various types of processing on a heavy and large work, for example, continuous three-dimensional processing along a predetermined path.

[0006]

The following is an example of the solution of the present invention.

(1) The base has an XY stage arranged so as to cover the work, and the XY stage of the base is provided.
An opening is formed in the stage, and a holding portion is provided so as to be movable in the X-axis direction, the Y-axis direction, and the Z-axis direction in the opening of the XY stage, and the holding portion has a workpiece processing spindle. The spindle of the holding unit moves in the directions of the X axis, Y axis and Z axis in the opening of the XY stage of the base,
XYZ wherein the workpiece is machined at that time
Driven processing equipment.

(2) The base has two pairs of frame members,
The two pairs of rail members are rigidly connected and formed in a rectangular shape, a movable rail is provided so as to move along the pair of rail members, and a table is provided so as to move along the movable rail. The table supports the rail member in a direction orthogonal to the two pairs of frame members, and the holding portion is provided to move along the rail member, and the table is moved along a predetermined path by a tool mounted on the spindle. The above-mentioned X, characterized in that it is configured to be capable of continuous processing.
YZ drive type processing equipment.

(3) The above-mentioned feature that the holding portion is moved along predetermined paths in the X-axis direction, the Y-axis direction and the Z-axis direction by two linear motors and one servomotor. XYZ driven processing equipment.

(4) The above-mentioned XYZ-driven processing apparatus, wherein the base has a rectangular structure, and four columnar support means are provided at four corners of the base.

(5) The above-mentioned XYZ-driven processing apparatus, wherein the column-shaped support means is formed in the form of a jack-type column, and the height can be adjusted.

[0012]

According to a preferred embodiment of the present invention, a large plate-like or other work is horizontally fixed at a predetermined position, and the base is mounted so as to cover the XY stage on the work. It is fixed, and an opening is formed in the XY stage of the base. X-axis direction, Y-axis direction and Z
A holder is provided so as to be movable in the axial direction. The holding part moves in the X-axis, Y-axis and Z-axis directions in the opening of the base. The holding part has a spindle for processing the workpiece. The spindle of the holding unit moves in the X-axis, Y-axis, and Z-axis directions in the opening of the base, and the tool provided on the spindle processes the workpiece.

[0013] Preferably, the base has two pairs of frame members. The two pairs of rail members are rigidly connected to form a rectangular shape. A movable rail is provided to move along the pair of rail members. A table is provided to move along the movable rail. The table supports a rail member in a direction orthogonal to the two pairs of frame members. The holding portion is provided so as to move along the rail member.
Continuous processing along a predetermined path can be performed by a tool mounted on the spindle.

The holding unit is preferably configured to move along predetermined paths in the X direction, the Y axis direction, and the Z axis direction by two linear motors and one servo motor.

The base has a portal structure having four columnar support means (posts and legs) at four corners. At the time of processing, a work is set under such a base.

In another embodiment of the present invention, a large work is first fixed horizontally at a desired position, and the work is arranged so as to cover a gate-type XYZ drive type processing device on the work. .

It is preferable to use a linear motor for the XY drive feed of the spindle to enable high-speed drive. In this case, a feed speed of 120 to 150 m / mim,
Positioning at an acceleration / deceleration of 1 to 1.5 G can be performed.

In the case of die machining, it is preferable to use an aluminum mold to reduce the weight.

In addition, according to the height of the work, the height of the base of the processing apparatus (in particular, the height of the columnar support means provided at the four corners of the base) can be adjusted by a manual or automatic jack system. I do.

Preferred examples of the linear motor, guide rail, and scale used in the present invention are, for example, Mitsubishi Electric LM-NP25-05M and Thomson LWS, respectively.
15. HEIDENHAIN LIDA 190 series is available.

Further, it is preferable that the linear motor is provided with dustproofing measures, the upper part is constituted by bellows, and an air purge is provided.

The spindle of the holding unit is automatically moved in the X, Y and Z axis directions by a linear motor and a servo motor according to a control signal from the control device. At this time, the spindle moves along a predetermined path. Thereby, the work appearing in the opening is continuously processed into a predetermined shape by the tool attached to the spindle.

[0023]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.

An XYZ drive type machining apparatus 1 for a mold has a base 2. The base 2 includes two pairs, that is, four frame members 3 to 6. That is, the left and right pairs are composed of frame members 3 and 4, and the front and rear pairs are frame members 5, 6
When viewed on a plane as shown in FIG. 1, the whole is formed as a rectangular rigid body. The base 2 has a rectangular opening 7 formed by being surrounded by these frame members 3 to 6. The pair of frame members 5 and 6 are parallel to each other. The other pair of frame members 3 and 4 are also parallel to each other.

One frame member 5 is provided with a linear guide 10 along its longitudinal direction. The linear guide 10 includes a track rail 12 and a slide unit (not shown) that moves on the track rail 12. A table 14 is fixed to the slide unit, and moves on the track rail 12. A preferred example of the linear guide 10 is Thomson L
This is a linear guide with a product name of WS15.

The other frame member 6 is provided with two track rails 22 along its longitudinal direction. Slide unit (not shown) on track rail 22
Are movably mounted. A table 24 is fixed to the slide unit and moves on the track rail 22. The track rail 22
It is parallel to the track rail 12.

A linear motor 2 is provided inside the two track rails 22 along the longitudinal direction of the track rails 22.
6 are arranged. The linear motor 26 has a fixed portion 28
And a moving unit (not shown). Fixed part 28
Is fixed to the frame member 6. The moving unit is attached to the lower surface of the table 24 and faces the fixed unit 28.

A scale (not shown) is set between the frame member 6 and the table 24 so that the table 24 can be positioned using the scale.

A movable rail 8 is set between the frame member 5 and the frame member 6. One end of the movable rail 8 is fixed to the table 14. The other end of the movable rail 8 is fixed to a table 24.

By driving the linear motor 26, the tables 14, 24 move in the direction of the arrow X (the direction of the X axis) along the track rails 12, 22, respectively. For this reason, the movable rail 8 can move in the direction of arrow X along the pair of frame members 5 and 6.

The movable rail 8 has two sections along its longitudinal direction.
One track rail 32 is set. A slide unit 33 is movably mounted on the track rail 32. The table 34 is fixed to the slide unit 33 and moves on the track rail 32. The track rail 32 is parallel to the pair of frame members 3 and 4.

A linear motor 3 is provided inside the two track rails 32 along the longitudinal direction of the track rails 32.
6 are arranged. The linear motor 36 is a moving unit 37
And a fixing portion 38. The fixed part 38 is fixed to the movable rail 8. The moving section 37 is attached to the lower surface of the table 34 and faces the fixed section 38.

A scale (not shown) is set between the movable rail 8 and the table 34.
The table 34 can be positioned.

By driving the linear motor 36, the table 34 can be moved in the direction of the arrow Y (the direction of the Y axis). The direction of the arrow Y is orthogonal to the direction of the arrow X.

A support member 40 is fixed to the table 34. Two track rails 42 are set on the support member 40 in the vertical direction. A slide unit 43 is movably mounted on the track rail 42. The holding unit 50 is fixed to the slide unit 43 and moves on the track rail 42. The track rail 42 is perpendicular to the track rails 12, 22, 32.

A screw shaft (not shown) is set inside the two track rails 42 along the longitudinal direction of the track rails 42. A servomotor 45 is connected to one end of the screw shaft, and a bearing is provided at the other end. The screw shaft can be rotated by a servomotor 45. A nut meshes with the screw shaft. The nut is attached to the holding unit 50, and the holding unit 50 can move in the direction of arrow Z (the direction of the Z axis) by the rotation of the servomotor 45. The direction of the arrow Z is orthogonal to the directions of the arrows X and Y.

A spindle 51 is set in the holding unit 50. A desired tool is detachably mounted on the spindle 51, and the work is processed by the tool. As the spindle 51, for example, an air spindle (Toshiba Tungaloy TPF-3006HF-ATC, 10,000)
６０60,000 RPM / 500 W). In this case, examples of the driving ranges a, b, and c in the X, Y, and Z axis directions of the spindle 51 are 400 m, 400 mm, respectively.
250 mm.

The servo motor 45 and the spindle 51 are connected to the control unit 9 via a conducting wire 53. Control unit 9
Is connected to the linear motors 26 and 36 in addition to the servo motor 45 and the spindle 51, and controls all of them.

In use, the XY stage of the mold processing apparatus 1 is set so as to cover a work (eg, a mold material). B in FIG. 2 shows a state where the spindle 51 has been moved downward in the Z-axis direction.

The linear motors 26 and 36 and the servo motor 45 are controlled based on a preset program. Thus, the spindle 51 of the holding unit 50 can move in a predetermined course by moving in the XYZ directions based on a preset program, and perform continuous three-dimensional machining of the workpiece.

When the machining operation is completed, the mold machining device 1 is removed from the work.

Preferably, column-shaped support means 64 is provided at four corners below the base 2 of the mold processing apparatus 1. This four
The support means 64 of the book is for enabling the base 63 to be set so as to cover the XY stage on the work. The supporting means 64 is constituted by a jack system, and the supporting means 6 of the processing apparatus 1 is adjusted according to the height of the work and the shape of the installation surface.
Preferably, the height of 4 can be adjusted.

[0043]

The XYZ drive type processing apparatus of the present invention can be configured to be small and lightweight, so that it is possible to carry out three-dimensional processing easily by holding the processing apparatus on the work.

If the supporting means of the mold processing apparatus is constituted by a jack system, it is possible to set various workpieces to an optimum height without fail and to perform various processes.

Further, since the base is formed in a rectangular shape using the frame member, it has high rigidity and can withstand frequent carrying.

Further, if the spindle is driven by two linear motors and one servo motor, high-speed processing in the XYZ-axis directions along a predetermined path can be easily performed.

[Brief description of the drawings]

FIG. 1 is a top view showing an embodiment of an XYZ drive type mold processing apparatus of the present invention.

FIG. 2 is a cross-sectional view of the mold processing apparatus of FIG. 1 taken along line AA.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Die processing apparatus 2 Base 3, 4, 5, 6 Frame member 7 Opening 8 Movable rail 10 Linear guide 12, 22, 32, 42 Track rail 14, 24, 34 Table 26, 36 Linear motor 28, 38 Fixed Unit 37 moving unit 40 support member 43 slide unit 45 servo motor 50 holding unit 51 spindle 64 support means

Claims (5)

[Claims] The base (2) has an XY stage arranged so as to cover the work, and an opening (7) is formed in the XY stage of the base (2). X
A holding portion (50) is provided in the opening (7) of the Y stage so as to be movable in the X-axis direction, the Y-axis direction, and the Z-axis direction, and the holding portion (50) is a work processing spindle (51). The spindle (51) of the holding part (50) moves in the X-axis, Y-axis and Z-axis directions in the opening (7) of the XY stage of the base (2). And an XYZ drive type processing apparatus, wherein the work is processed. 2. The base (2) includes two pairs of frame members (3, 3).
4,5,6) and two pairs of rail members (3,5,6).
4, 5, 6) are rigidly connected to each other and formed in a rectangular shape, and a movable rail (8) is provided so as to move along a pair of rail members (5, 6), and the movable rail (8) is provided. A table (34) is provided so as to move along the rails (42) in a direction perpendicular to the two pairs of frame members (3, 4, 5, 6). The holding portion (50) is provided so as to move along the rail member (42), and is configured to be capable of performing continuous processing along a predetermined path by a tool mounted on the spindle (51). The XYZ drive type processing apparatus according to claim 1. 3. The apparatus according to claim 1, wherein the holding portion is configured to move along predetermined paths in the X-axis direction, the Y-axis direction, and the Z-axis direction by a linear motor and a servomotor. Or the XYZ drive type processing apparatus according to 2. 4. The base according to claim 1, wherein the base has a rectangular structure, and four pillar-shaped support means are provided at four corners of the base. An XYZ-driven processing apparatus according to the item (1). 5. The XYZ-driven machining apparatus according to claim 4, wherein the column-shaped support means is formed in a jack system, and the height can be adjusted.