JP3512157B2 - NC router suction table - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a suction table of an NC router that does not require a scrap plate (suction jig plate).

[0002]

2. Description of the Related Art In a conventional NC router, as shown in FIGS. 6, 7 and 8, a rail 2 is mounted on a frame 1, and a head structure 3 is moved on the rail 2 from side to side in FIG. , A plurality of heads 4 (four in the figure) are mounted on the head structure 3, and a motor is mounted on each of the heads 4, and a processing tool 5 such as a drill or a cutter is mounted on the rotary shaft of the motor. Is configured to be attached, and further,
A rail 7 is attached to a table frame 6 below the head 4, and a suction table 8 is configured to move back and forth on the rail 7 in a direction orthogonal to the moving direction of the head structure 3.

In the NC router configured as described above, the suction table 8 is instructed by a command from a separately provided control device.
Set a scrapboard on the top of the woodworking material, and move the head structure 3 on the upper part of the woodworking material positioned on the wasteboard and connect it to the rotary shaft of the motor of each head 4. The processing tool 5 is configured to rotate and sequentially descend with the motor to process a wood product.

[0004]

However, in the NC router thus constructed, suction holes are formed over the entire surface of the board on the upper surface of the suction table 8, and the suction holes are connected to the blower through the duct. If the plate to be processed is placed on the board of the suction table 8 and processed, the board of the suction table 8 may also be scraped when the plate to be processed is processed. I'm using it.

By the way, this scrap plate covers the entire surface of the suction table 8, and since the scrap plate has suction holes corresponding to the size of the plate to be processed, only the kind of the plate to be processed is discarded. There is a drawback in that a plate is required and a shelf or a place for storing such a waste plate is required.

[0006]

According to the present invention, a head structure equipped with one or a plurality of heads equipped with a motor equipped with a processing tool such as a drill or a cutter on a rotary shaft is laterally provided by a rail provided on a frame. NC router configured to move in a direction perpendicular to the moving direction of the head structure and move a suction table in which a plate to be processed is sucked onto a table frame mounted in a direction orthogonal to the frame. In the suction table, a plurality of suction blocks are mounted parallel to the moving direction of the head structure, and at least one suction block of the suction table is attached to the tool at the passage position of the tool mounted on the head structure. A descending means for descending to a position where the suction block does not come into contact is provided, and the descending means is installed on each side surface of the suction block. A guide for pushing down the ring at the position of the tool may be fixed, and further, the lowering means may include air cylinders provided at the lower portions of the plurality of suction blocks and bearings mounted on respective side surfaces of the plurality of suction blocks. And a guide that pushes down the bearing at the position of the tool, the lowering means may be provided with a spring instead of the air cylinder, and the lowering means may be a suction block of the suction block. It comprises a bearing mounted on the side surface and two rails each bent downward at the passage position of the tool for guiding the bearing.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION In the present invention, since the head structure moves at right angles to the movement of the suction table, the suction table in the portion of the head structure where the tool mounted on the head passes is the If it does not touch the passage, it will not damage the board on the suction table with the tool, so the suction table is lowered by the width of the part where the tool passes and separated from the plate to be processed, and in other parts, By constructing the suction table to suck and position the plate to be processed, the NC program for manufacturing the waste plate, the time and effort to manufacture the waste plate, and the place to store the waste plate are not required, resulting in a significant cost reduction and delivery. Can be shortened.

[0008]

1 is a plan view of a suction table of an NC router according to an embodiment of the present invention, FIG. 2 is a front view of the suction table of FIG.
FIG. 3 is a side view of an NC router provided with a suction table according to the present invention. A bearing 9 is engaged with a rail 7 mounted on a table frame 6, and the bearing 9 is a table plate 1.
The air cylinders 11 and 12 are mounted on both sides of the table plate 10 in parallel with the moving direction of the head 4 of the head structure 3.
The suction block 13 is mounted on the working shafts 1 and 12,
These air cylinders 11 and 12 and suction block 1
A plurality of 3 are mounted on the table plate 10, a suction block 13 has a hollow inside, and a board 13a having a large number of suction holes is mounted on the upper surface of the suction block 13. Connection pipe 13 attached to the bottom
The bellows 14 is connected to b, and the bellows 14 is a connecting pipe 15a of the suction pipe 15 to which a blower (not shown) is connected.
It is connected to the.

Further, shafts 16 and 17 are fixed to both side surfaces of the suction block 13, bearings 18 and 19 are attached to the shafts 16 and 17, respectively, and arm members 20 protruding to both side surfaces of the table frame 6. Upper and lower cylinders 22 and 23 are mounted on the upper and lower cylinders 21, respectively, and support members 24 and 25 are mounted on the operating shafts 22a and 23a of the upper and lower cylinders 22 and 23, respectively, and the tool 5 of the head 4 passes through the support members 24 and 25. Guides 26 and 27, each of which is provided with a bent portion downward only at the position where the guide is turned, are mounted.

In the suction table of this embodiment having the above-described structure, the upper and lower cylinders 22 and 23 are driven in advance, and the guides 26 and 27 are lowered to predetermined positions by the operating shafts 22a and 23a, so that the board of the suction block 13 is moved. When the plate to be processed 28 is positioned on the surface 13a and the table plate 10 is moved back and forth by a servomotor (not shown), the bearings 18 and 19 of the suction block 13 and the positions thereof where the tool 5 of the head 4 passes. Since the bearings of the suction blocks on both sides are brought into contact with the guides 26 and 27, as shown in FIGS. 3 and 4, only the suction block 13 at the position where the tool 5 of the head 4 passes is moved downward from the work plate 28. Away, tool 5
When processing the work plate 28, the tool 5 moves the work plate 28
The board 13a on the upper surface of the suction block 13 is separated from the plate 28 to be processed even when the board 13a of the suction block 13 is lowered, so that the board 13a of the suction block 13 is not damaged.

In the above embodiment, when the tool 5 processes only the upper part of the plate to be processed, the upper and lower cylinders 2
It is also possible to raise the guides 26 and 27 to a position where the bearings 18 and 19 of the suction block 13 do not come into contact with each other without driving the actuators 2 and 23, or to use a scrap plate as usual.

Further, in the above embodiment, the air cylinders 11 and 12 are mounted on the table plate 10 to attach the suction block 1.
3 is attached, a spring may be used instead of the air cylinder, and the suction block 13 may be attached to the table plate 1 without using the air cylinder and the spring.
5, the bearings 18 and 19 mounted on the shafts 16 and 17 on the side surface of the suction block 13 are bent downward by the passage position of the tool 5 of the head 4, as shown in FIG. You may comprise so that it may be pinched | interposed by the rails 29 and 30 of this.

Further, the shaft 1 on the side surface of the suction block 13
Although the bearings 18 and 19 are mounted on the bearings 6 and 17, the bearing 1 is mounted on the upper surface or the lower surface of the suction block 13.
8 and 19 may be provided, and the bearings 18 and 19 may be provided.
Is provided at the center of the lower surface of the suction table 13, and the guide 26,
27 may be provided in the portion of the table frame 6, wheels may be used instead of the bearings 18 and 19, and a board 13a on the upper surface of the suction table 13 provided with a large number of suction holes is used. Although an example is shown, a board made of a material having good air permeability may be used.

As described above, in the suction table of the NC router according to the present invention, the suction table is lowered only at the tool passage position of the head of the head structure to separate from the work plate. When processing a plate, the tool does not damage the board on the upper surface of the suction block even if the tool goes below the lower surface of the work plate. It can be placed on top of it, therefore NC program for making scraps, time and effort to make scraps, and place to store scraps are not required, and it is possible to significantly reduce costs and shorten delivery time. There are advantages.

[Brief description of drawings]

FIG. 1 is a plan view of a suction table of an NC router according to an embodiment of the present invention.

FIG. 2 is a front view of a suction table of the NC router of FIG.

FIG. 3 is a side view of a suction table of the NC router of FIG.

4 is a partially enlarged view of a suction table of the NC router of FIG.

FIG. 5 is a side view of an adsorption table of an NC router according to another embodiment of the present invention.

FIG. 6 is a front view of a conventional NC router.

FIG. 7 is a plan view of the NC router of FIG.

8 is a side view of the NC router of FIG.

[Explanation of symbols]

6 table frame 7 rails 9 bearings 10 table board 11, 12 air cylinder 13 Adsorption block 14 bellows 15 Adsorption pipe 16, 17 axis 18, 19 bearings 20, 21 Arm member 22, 23 Vertical cylinder 24, 25 support member 26, 27 guide 28 Work plate

Claims (5)

(57) [Claims] 1. A head structure equipped with one or a plurality of heads equipped with a motor equipped with a processing tool such as a drill or a cutter on a rotary shaft is laterally moved by a rail provided on the frame to be mounted on the frame. On the other hand, in an NC router configured to move an adsorption table in which a plate to be processed is attached to a table frame mounted in an orthogonal direction in a direction orthogonal to the moving direction of the head structure for processing, the adsorption table is the head. A plurality of suction blocks are mounted in parallel to the moving direction of the structure, and descending means for lowering at least one suction block of the suction table at a position where the tool mounted on the head structure passes to a position where it does not contact the tool. The suction table of the NC router, which is provided with. 2. The suction table of an NC router according to claim 1, wherein the lowering means has fixed guides for pushing down the bearings mounted on the respective side surfaces of the suction block at the position of the tool. 3. The lowering means comprises air cylinders respectively provided under the plurality of suction blocks, and bearings mounted on respective side surfaces of the plurality of suction blocks.
The suction table of the NC router according to claim 1, further comprising a guide that pushes down the bearing at the position of the tool. 4. The suction table for an NC router according to claim 2, wherein the lowering means is provided with a spring instead of the air cylinder. 5. The lowering means comprises a bearing mounted on a side surface of the suction block and two rails each bent downward at a passage position of the tool to guide the bearing. The suction table of the NC router according to claim 1.