JPH1034485A - Cutting chip removing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To surely dispose the chips produced during drilling, prevent the chips from flying off and avoid the flied chips from damaging apparatus. SOLUTION: A workpiece transferring positioning device 5, which is provided with a clamping device 29, which can freely hold and release the workpiece W placed on a work table 3, is provided, and a drill head 9, which is provided with a drill 85, is attached to a double column frame 7 bestriding the work table 3, and a chip removing device 41, which is provided with a spiral type chip conveyor 39 extending in a Y axis direction near the drill 85. Therefore, since the chips produced during drilling are discharged outside the machine tool through the spiral type chip conveyor 39, chips are not field off on the workpiece W, preventing a thermal cutting head from damaging, in a latter process.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a swarf removing device, and more particularly to a swarf removal device, and more particularly, to a swarf generated at the time of boring provided in a boring machine or a combined boring and hot cutting machine. The present invention relates to a chip removing device for removing chips.

[0002]

2. Description of the Related Art Conventionally, laser, plasma or gas cutting techniques have become popular, and have been effective in contour cutting. However, the accuracy of drilling small diameter holes is poor, and due to thermal cutting, drilling of drill joints is not permitted under the Standard Law. Therefore,
Attention has been focused on combining laser, plasma or gas cutting with drilling.

[0003]

In the above-described conventional drilling machine or a combined drilling and thermal cutting machine, the order of machining is naturally hot cutting after drilling. Since the chips are scattered during drilling and the chips are stacked on the upper surface of the work, there is a problem that the torch portion of the thermal cutting machine in the next process is damaged.

An object of the present invention is to provide a chip removing device which reliably processes chips generated during drilling, prevents scattering of chips, and prevents breakage of equipment due to chips. .

[0005]

In order to achieve the above object, according to the present invention, there is provided a chip removing apparatus according to the present invention, comprising a work table on which a work is placed, and a gate provided over the work table. A drilling machine comprising a mold frame and a drilling tool provided on an upper frame of the portal frame and movable in the Y-axis and Z-axis directions. A spiral type chip conveyor extending in the Y-axis direction for removing chips generated during drilling is provided in the vicinity.

[0006] When drilling a workpiece, a desired processing position to be drilled in the workpiece is positioned immediately below a tool head provided on a portal frame, and drilling is performed by a drilling tool. Will be applied. Chips generated during drilling are discharged out of the machine by a spiral type chip conveyor, so that the chips are not dispersed on the upper surface of the work, and the heat cutting provided in the next step of the hot cutting machine There is no damage to the processing head.

According to a second aspect of the present invention, there is provided a chip removing apparatus including a work table on which a work is placed, and a clamp device capable of holding and releasing the work placed on the work table in the X-axis direction. A movable work movement positioning device, a fixed portal frame provided over substantially the center of the work table, and Y-axis and Z-axis directions provided on an upper frame of the fixed portal frame. A tool head having a drilling tool that is movable to an X-axis;
A movable portal frame that is movable in the axial direction, and a Y-axis provided on an upper frame of the movable portal frame.
A multi-tasking machine having a hot cutting head movable in the Z-axis direction, and a spiral type chip extending in the Y-axis direction for removing chips generated during drilling near the drilling tool. It is characterized by having a conveyor.

[0008] When drilling a workpiece, the workpiece movement positioning position where the workpiece is gripped is moved in the X-axis direction, and a desired processing position is located immediately below a tool head provided on a fixed portal frame. It is positioned and drilled with a drilling tool. Since the chips generated during drilling are discharged outside the machine by a spiral type chip conveyor, the chips are not dispersed on the upper surface of the work, and the thermal cutting head may be damaged during thermal cutting. There is no.

Further, the swarf removing apparatus of the present invention according to the present invention comprises a work table on which a work is mounted, and a clamp device which has the work mounted on the work table and which can be freely opened, in the X-axis direction. A work movement positioning device that is movable on the stretched track, and a track for the multi-tasking machine that extends in the X-axis direction outside the track to provide the track for the multi-tasking machine, and is provided across the work conveyor on the track. A movable portal frame movable in the X-axis direction; a tool cutting head provided with an upper frame in the movable portal frame and having a hot cutting head and a drilling tool movable in the Y-axis and Z-axis directions; ,
Wherein a spiral type chip conveyor extending in the Y-axis direction for removing chips generated during drilling is provided in the vicinity of the drilling tool. .

[0010] When drilling a workpiece, a workpiece movement positioning device which grips the workpiece is moved in the X-axis direction, and a hot cutting head and a tool head having a drilling tool are provided. The moving portal frame is moved in the X-axis direction, and the tool head provided with the drilling tool is positioned at a fixed position. Then, a desired processing position of the workpiece is positioned immediately below the tool head, and drilling is performed. Chips generated during drilling are discharged to the outside of the machine by a spiral type chip conveyor, so that chips are not dispersed on the top surface of the work and the thermal cutting head is not damaged during thermal cutting .

Still further, according to a fourth aspect of the present invention, in the chip removing apparatus of the present invention, the chip conveyor of the spiral type comprises:
It is characterized in that two places are provided before and after in the X-axis direction around the drilling tool. For this reason, the removal of the chips becomes more reliable.

Still further, according to a swarf removing device of the present invention according to claim 5, the spiral type chip conveyor comprises:
It is characterized by being provided movably in the vertical direction according to the thickness of the work.

Thus, even if the thickness of the workpiece changes, an optimum gap can always be maintained, and the removal of chips can be ensured.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. The swarf removing device of the present invention is used for a single drilling machine or a multi-tasking machine having a drilling tool and a thermal cutting tool. And a multi-tasking machine equipped with a thermal cutting tool. Since the multi-tasking machine, the work table, the work movement positioning device, and the like are intended to have known structures, detailed illustration and description thereof will be omitted.

FIG. 3 shows an example of a first embodiment of a multi-tasking machine provided with a chip removing device.

That is, the multi-tasking machine 1 comprises a work portal 3, a drill head 9 which is a tool head provided on a fixed portal frame 7 fixed to a work table 3, a workpiece movement positioning device 5, and a movable portal frame 11. And the thermal cutting processing head 13 provided in the above.

The work table 3 is a front table 3
F and a rear table 3R. The front table 3F includes a plurality of rollers 15 arranged side by side in the gantry 17A, 1R.
7B, the rear table 3R has a plurality of disk-shaped rollers 19 provided on the shaft 21 to form a roller 23;
A plurality of the rollers 23 are provided in parallel on the gantry 17A, 17B.

The work moving / positioning device 5 is for holding and moving and positioning the work W placed on the work table 3, and is provided with an X on the upper surface of the gantry 17A.
A carriage 27 is movably mounted on a track 25 (for example, a linear guide rail) provided to extend in the axial direction (the horizontal direction in FIG. 3). The carriage 27 is provided with a plurality of clamp devices 29,
Can be gripped and released freely. When the work W is gripped by the clamp device 29, a plurality of width adjusters 31 for the work W are provided on the gantry 17B side at a plurality of positions so that the work W can be gripped. The work W is held by the clamp device 29.

A fixed portal frame 7 fixed substantially over the work table 3 at the center of the work table 3.
The drill head 9 is mounted on a rail 33 provided on a side surface of the upper frame 7A of the fixing gate-shaped frame 7 so as to extend in the Y-axis direction (vertical direction in FIG. 3). The drill head 9 provided with, for example, a drill (not shown) as a drilling tool is provided so as to be movable in the Y-axis direction and movable in the Z-axis direction (a direction orthogonal to the drawing in FIG. 3). Have been.

The movable portal frame 11 having the thermal cutting head 13 is movable toward and away from the fixed stationary portal frame 7.
The moving portal frame 11 rides on the track 25 provided on the gantry 17A and the track 35 provided on the gantry 17B,
The work table 3 is provided movably in the X-axis direction across a rear table 3R. Then, the thermal cutting head 13 is mounted on a rail 37 provided on the side surface of the upper frame 11A of the moving gate-shaped frame 11 so as to extend in the Y-axis direction, and is movable in the Y-axis direction and in the Z-axis direction. It is provided movably.

Further, a chip removing device 41 constituted by a spiral type chip conveyor 39 which extends in the Y-axis direction at two places in the X-axis direction around the drilling tool such as a drill (not shown). Are provided on the left side surface of the fixing gate type frame 7 in FIG.

With the above configuration, first, the work W is placed on the front table 3F. Then, after the work W is moved downward in FIG. 3 by the width moving device 31, the clamp device 29 provided on the carriage 27 is moved.
Grips one end surface of the work W. In this state, while moving the carriage 27 to the right in FIG.
Is positioned at the origin of the drill head 9, the drill head 9 is moved in the Y-axis and Z-axis directions, and the workpiece W is drilled. Subsequently, another desired processing position is positioned at the position of the drill head 9, and drilling is continued.

The chips generated during drilling are:
By the operation of the spiral type chip conveyor 39, which is the chip removing device 41, the chips are discharged to the outside of the machine, and the chip removing operation is performed before moving to the thermal cutting process.

When all the drilling operations are completed, the carriage 27 is moved to the right side in FIG. 3, the work W is transported to the origin position of the thermal cutting, and the clamp device 29 is unclamped to leave the work W. The carriage 27 is returned to the front table 3F at the old position. Then, the thermal cutting head 13 is positioned in the Y-axis and Z-axis directions with respect to the workpiece W transferred on the rear table 3R, and the moving portal frame 11 is moved in the X-axis direction to perform the thermal cutting. Do.

After the completion of the thermal cutting, the movable portal frame 11 is returned to the reference position (the position indicated by the solid line in FIG. 3), and the perforated and thermally cut products and scraps are collected.

By the above-described operation, a hole is drilled at a fixed position, so that the processing of chips can be easily performed. Since the chips are not dispersed on the upper surface of the work W, the thermal cutting head 13 is damaged. I won't let you go.

FIG. 4 shows an example of a second embodiment of a multi-tasking machine provided with a chip removing device. The difference from the first embodiment described above is that the drill head and the thermal cutting head are provided in one moving portal frame, and the same members as those in the first embodiment are provided. The same reference numerals are given and the description is omitted, and only different points will be described in detail.

A track 25 (for example, a linear guide rail) for moving the carriage 27 constituting the workpiece movement positioning device 5 in the X-axis direction (left-right direction in FIG. 4) is provided on the gantry 17A so as to extend in the X-axis direction. Have been.

A gantry 43 is provided outside the track 25 so as to extend rightward from the center in FIG. 4 in the X-axis direction, and a track 45 is provided on the gantry 43 so as to extend in the X-axis direction. This track 45 and the gantry 17 provided on the worktable 3
On the track 47 provided on B, there is provided a movable portal frame 49 which is movable in the X-axis direction. The upper frame 49A of the portal frame 49 extends in the Y-axis direction (vertical direction in FIG. 4). A drill head 9 having a drill (not shown) and a hot cutting head 13 are provided on both sides of the rail 51 provided in this manner. The drill head 9 and the thermal cutting head 13 are movable in the Y-axis direction and the Z-axis direction (a direction perpendicular to the drawing in FIG. 4).

Further, a chip removing device 41 formed of a spiral type chip conveyor 39 extending in the Y-axis direction at two locations in the X-axis direction around the drilling tool, for example, a drill (not shown). However, the portal frame 49
4 is provided on the left side surface.

With the above configuration, the operation is as follows. First, the moving portal frame 49 provided with the drill head 9 having the drill and the thermal cutting head 13 is positioned substantially at the center of the work table 3 (FIG. (Position indicated by a solid line in FIG. 4). This position is the fixed position of the drill head 9 when drilling the workpiece W. Then, the work W is placed on the rollers 15 of the front table 3F, and the work W is moved downward in FIG. 4 by the width moving device 31. Then, one end surface of the work W is gripped by the clamp device 29 provided on the carriage 27. I do.

In this state, while moving the carriage 27 to the right in FIG. 4, the desired machining position of the work W is positioned at the origin of the drill head 9, and the drill head 9 is moved in the Y-axis and Z-axis directions. Then, the work W is drilled. Subsequently, another desired processing position is positioned at the position of the drill head 9 and drilling is continued.

The chips generated during drilling are:
By the operation of the spiral type chip conveyor 39, which is the chip removing device 41, the chips are discharged to the outside of the machine, and the chip removing operation is performed before moving to the thermal cutting process.

When all drilling operations are completed, the workpiece W
Is moved to the position shown by the two-dot chain line in FIG. And the thermal cutting head 1
4 while moving the movable portal frame 49 provided with the X-axis direction to the right in FIG.
Heat cutting process.

When the cutting is completed, the thermal cutting head 1
The movable portal frame 49 provided with 3 is returned to the old position as the reference position (the center position shown by the solid line in FIG. 4), and the processed product and scrap are collected.

By the above-described operation, drilling is performed at a fixed position, thereby facilitating the processing of chips, and since the chips are not dispersed on the upper surface of the work W, the thermal cutting head 13 can be removed. It will not be damaged.

Next, the chip removing device which is a main part of the embodiment of the present invention will be described in more detail.

Referring to FIG. 1, the work table 3
A plurality of rollers 15 are rotatably supported on the frames 17A and 17B. The work W placed on the roller 15 is provided on the gantry 17A with a track 2 provided extending in the X-axis direction (a direction perpendicular to the drawing in FIG. 1).
The work moving positioning device 5 is guided by the movable member 5 and is movable in the X-axis direction.

On the other hand, a fixing portal frame 7 fixed across the work table 3 is provided, and a track 53 for the drill head 9 is provided on the side surface of the upper frame 7A of the fixing portal frame 7 in the Y direction. It is provided extending in the axial direction (the left-right direction in FIG. 1). The workpiece W is drilled while being guided by the track 53 and moving in the Y-axis direction or the Z-axis direction (vertical direction in FIG. 1).

Referring also to FIG. 2, the chip removing device 41 adjusts the vertical position when the plate thickness changes on one side surface (the front side in FIG. 1) of the portal frame. The chip removing device 41 is composed of the position adjusting device 55 and the chip conveyor 39 provided in the vertical position adjusting device 55.

In the vertical position adjusting device 55, bearings 57A and 57B are provided on the side surface of the fixing gate frame 7, and a rotatable power transmission shaft 59 is mounted on the bearings 57A and 57B. At one end, a vertical adjusting motor 61 with a brake is provided.
Is fixed to the side surface of the fixed gate type frame 7.

The power transmission shaft 59 has pinions 63A, 6
3B, and support members 67A, 67 provided with racks 65A, 65B engaged with the pinions 63A, 63B.
B is vertically movably mounted on the fixed gate frame 7. A chip conveyor drive motor 69 is provided on the support member 67A having the rack 5A. A drive pulley 71 is mounted on an output shaft of the chip conveyor drive motor 69, and a driven pulley 75 is mounted on a rotation shaft 73 that rotates with a chip conveyor 39 described in detail below.
A timing belt 77 is wound around the driven pulley 75 and the driving pulley 71.

The chip conveyor 39 is provided with a blade 81 wound spirally on the outer periphery of a shaft 79 integrally connected to the rotary shaft 73. And this wing 81
Cover member 83 surrounding the support members 67A, 67B
The shape of the cover member 83 is shown in FIG.
As shown in the figure, the part is divided so as not to contact the drill head 9 having the drill 85, the lower part is surrounded to a position close to the drill 85, and the scrapers 87 are integrally fixed to both outer sides of the cover member 83. Have been.

With the above configuration, the function is as follows. First, the chip removing device 4 is located at an optimum position according to the thickness of the work W.
In order to position the lower surface of the cover member 83 provided in
The vertical adjustment motor 61 with a brake is driven to rotate the pinions 63A and 63B to move the support members 67A and 67B up and down via the racks 65A and 65B. When the support members 67A and 67B move up and down, the cover member 83 provided integrally with the support members 67A and 67B is provided.
Can move up and down to create an optimum gap between the upper surface of the work W and the lower surface of the cover member 83.

In this state, the workpiece W is drilled by the drill 85, and the chips generated during the drilling are driven by the chip conveyor driving motor 69, and the driving pulley 71, the timing belt 77, and the driven pulley 75 are driven. , The rotating shaft 73 is rotated, and the shaft 79 provided with the spiral blade 81 provided integrally with the rotating shaft 73 is rotated. As the spiral blade 81 rotates, the chips are discharged to the left side in FIG.

In the embodiment of the present invention, the chip conveyor 39 having the spiral blades 81 is provided on both sides with the drill 85 as a center. Although the chip removing device 41 is provided, the chip removing device 41 is also provided in the movable portal frame 49.

As described above, chips generated during drilling are reliably discharged out of the machine by the spiral type chip conveyor 39, so that chips are not dispersed on the upper surface of the work W. Thermal cutting head 13 which is the process
Will not be damaged.

The present invention is not limited to the above-described embodiment of the present invention, but can be embodied in other forms by making appropriate changes.

[0049]

As will be understood from the above description of the embodiment, according to the invention according to the first, second and third aspects, the drilling tool provided with the tool head having the drilling tool is provided. A cutting machine or a multi-tasking machine equipped with a tool head equipped with a drilling tool and a thermal cutting head, and provided with a chip removing device near the drilling tool. It is composed of a spiral type chip conveyor that extends in the Y-axis direction to remove chips generated at the time of drilling.

Since the chips generated during drilling are discharged out of the machine by a spiral type chip conveyor, the chips are not dispersed on the upper surface of the work and the thermal cutting head is damaged. There is no.

According to the fourth aspect of the present invention,
By providing two spiral type chip conveyors at the front and back of the drilling tool, chips generated during drilling can be removed more reliably, and thermal cutting without dispersing the chips on the top surface of the work There is no damage to the processing head.

Further, according to the present invention according to claim 5,
Since the spiral type chip conveyor is moved and positioned vertically according to the thickness of the work, the gap between the upper surface of the work and the lower surface of the chip conveyor can always be set at a constant interval, improving the chip removal effect. be able to.

[Brief description of the drawings]

FIG. 1 is an explanatory front view of a chip removing device, showing a main part of the present invention.

FIG. 2 is an enlarged sectional view taken along line II-II in FIG.

FIG. 3 is a plan sectional view showing an example of a first embodiment of a work table and a multi-tasking machine embodying the present invention;

FIG. 4 is an explanatory plan view showing an example of a second embodiment of a work table and a multi-tasking machine embodying the present invention;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Multi-tasking machine 3 Work table 5 Work movement positioning device 7 Fixing portal frame 7A Upper frame 9 Drill head (tool head) 11 Moving portal frame 11A Upper frame 13 Thermal cutting processing head 25 Track 29 Clamp device 39 Chip conveyor 41 Chip swarf removal device 45 Trajectory 49 Moving gate frame 49A Upper frame 85 Drill (drilling tool) W Work

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁶ Identification code Agency reference number FI Technical display location B65G 33/18 B65G 33/18

Claims (5)

[Claims] 1. A work table on which a work is placed, a portal frame provided over the work table, and movement in the Y-axis and Z-axis directions provided on an upper frame of the portal frame. A drilling machine having a tool head having a free drilling tool, and a spiral type tip extending in the Y-axis direction for removing chips generated during drilling near the drilling tool. A chip removing device comprising a conveyor. 2. A work table on which a work is placed, a work movement positioning device provided with a clamp device capable of holding and releasing the work placed on the work table and movable in the X-axis direction; A fixed portal frame provided substantially over the center, and a Y-axis and a Z-axis provided on an upper frame of the fixed portal frame.
A tool head with an axially movable drilling tool,
A movable portal frame provided in the X-axis direction, which is provided so as to be able to approach and separate from the fixed portal frame, and a Y-axis and a Z-axis direction provided in an upper frame of the movable portal frame. A movable heat cutting head, and a spiral type chip conveyor extending in the Y-axis direction in the vicinity of the drilling tool for removing chips generated during drilling. A chip removing device, comprising: 3. A work table on which a work is placed, a work movement positioning device provided with a clamp device capable of gripping and releasing the work placed on the work table and movable on a track extending in the X-axis direction; A track for a multi-tasking machine that extends in the X-axis direction outside the track to provide a track for the multi-tasking machine, is provided across the work conveyor on the track, and is movable in the X-axis direction. The drilling tool is a multi-tasking machine including a hot cutting head provided on an upper frame of the moving gate type frame and movable in the Y-axis and Z-axis directions, and a tool head having a drilling tool. Characterized in that a chip conveyor of a spiral type extending in the Y-axis direction for removing chips generated during drilling is provided near the chip. 4. The chip removing device according to claim 1, wherein the spiral type chip conveyor is provided at two places in front and back of the drilling tool in the X-axis direction. 5. The chip removing device according to claim 1, wherein the spiral type chip conveyor is provided so as to be vertically movable in accordance with the thickness of the workpiece.