JP2000202802A - Suction table of nc router - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a suction table of an NC router which does not need a jig plate for suction. SOLUTION: A bearing 9 is engaged with a rail 7 fitted with a table frame 6, the bearing is fitted to a table plate 10, air cylinders 11, 12 are set on both sides on the table plate 10 in parallel to the moving direction of the head of a head structure, boards 13a having numbers of suction holes are set on the actuation shafts of the air cylinders 11, 12, upper and lower cylinders 22, 23 are fitted to each of arm members 20, 21 protruded from both sides of the table frame 6, and guides 26, 27 are fitted to support members 24, 25 respectively only at a position through which the tool of the head passes. Since a suction table is brought down only at the passage position of the tool of the head of the head structure to separated from a plate to be processed, a board on the upper surface of a suction block is protected from damage, and the plate can be mounted directly on the board of the suction block.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

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

[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 this rail 2 to the left and right in FIG. , A plurality of heads 4 (four in the figure) are mounted on the head structure 3, a motor is mounted on each of these heads 4, and a processing tool 5 such as a drill or a cutter is mounted on the rotating shaft of the motor. Is configured to be mounted, and further,
A rail 7 is mounted on a table frame 6 below the head 4, and the suction table 8 is configured to move back and forth on the rail 7 orthogonally to the moving direction of the head structure 3.

In the NC router configured as described above, the suction table 8 is controlled by a command from a separately provided control device.
The head structure 3 moves on the upper part of the wood workpiece positioned on the waste board, and is connected to the rotating shaft of the motor of each head 4. The processing tool 5 is configured to rotate and descend sequentially with the motor while rotating to process a wood workpiece.

[0004]

However, in the NC router constructed as described above, suction holes are formed on the entire board on the upper surface of the suction table 8, and the suction holes are connected to a blower through a duct. When the work plate is mounted on the board of the suction table 8 and processed, the board of the suction table 8 may be cut when processing the work plate. I'm using

The discard plate covers the entire surface of the suction table 8 and has suction holes corresponding to the size of the plate to be processed, so that only the type of the plate to be processed is discarded. There is a drawback in that a plate is required, and shelves and places for storing such discarded plates are required.

[0006]

SUMMARY OF THE INVENTION According to the present invention, a head structure provided with one or a plurality of heads provided with a motor provided with a processing tool such as a drill or a cutter mounted on a rotating shaft is provided by a rail provided on a frame. An NC router configured to move a suction table, in which a work plate is sucked to a table frame mounted in a direction perpendicular to the frame, in a direction perpendicular to the moving direction of the head structure, to process the table. In the suction table, a plurality of suction blocks are mounted in parallel with a moving direction of the head structure, and at least one suction block of the suction table is attached to the tool at a passing position of the tool mounted on the head structure. A lowering means for lowering to a position where it does not contact is provided, and the lowering means is provided with a base mounted on each side surface of the suction block. A guide for pushing down a ring at the position of the tool may be fixed, and the lowering means may be an air cylinder provided at a lower portion of the plurality of suction blocks and a bearing mounted on each side surface 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 in place of the air cylinder. It comprises a bearing mounted on the side surface and two rails each bent downward at the passage position of the tool to guide each of the bearings.

[0007]

In the present invention, since the head structure moves orthogonally to the movement of the suction table, a portion of the suction table where the tool mounted on the head of the head structure passes passes through the suction table. If it does not touch the passage, the tool will not damage the board on the suction table, so the suction table is lowered by the width of the part where the tool passes and separated from the work plate, and in other parts, By configuring so that the work plate is sucked and positioned by the suction table, there is no need for the NC program for manufacturing the discarded plate, the labor for manufacturing the discarded plate, and the place to store the discarded plate, resulting in significant cost reduction and delivery time. Can be shortened.

[0008]

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 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.
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 operating shafts 1 and 12,
These air cylinders 11 and 12 and suction block 1
A plurality of suction blocks 13 are mounted on the table plate 10, and a suction block 13 is formed with 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. Connecting pipe 13 mounted at the bottom
b, a bellows 14 is connected, and this bellows 14 is connected to a connecting pipe 15a of a 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, respectively. Bearings 18 and 19 are mounted on the shafts 16 and 17, respectively, and arm members 20 protruding from both side surfaces of the table frame 6. , 21 are mounted with upper and lower cylinders 22, 23, respectively. Support members 24, 25 are mounted on operating shafts 22a, 23a of the upper and lower cylinders 22, 23, respectively, and the tool 5 of the head 4 passes through the support members 24, 25. Guides 26 and 27 each having a portion bent downward only at the position where the guide 26 is bent are mounted.

In the suction table of this embodiment constructed as described above, 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. When the work plate 28 is positioned on 13a and the table plate 10 is moved back and forth by a servo motor (not shown), the bearings 18 and 19 of the suction block 13 at the position where the tool 5 of the head 4 passes and its 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 lowered to move from the work plate 28. Release, tool 5
When the tool 5 processes the work plate 28, the tool 5
The board 13a on the upper surface of the suction block 13 is separated from the plate 28 to be processed, so that the board 13a of the suction block 13 is not damaged.

In the above embodiment, when the tool 5 works only on the upper part of the work plate, the upper and lower cylinders 2
The guides 26 and 27 may be raised to a position where the bearings 18 and 19 of the suction block 13 do not contact without driving the guides 2 and 23, or a discarded plate may be used as usual.

In the above embodiment, the air cylinders 11 and 12 are mounted on the table
3 is mounted, a spring may be used instead of the air cylinder, or the suction block 13 may be attached to the table 1 without using an air cylinder and a spring.
The bearings 18 and 19 mounted on the shafts 16 and 17 on the side surfaces of the suction block 13 are bent downward only by the passing position of the tool 5 of the head 4 as shown in FIG. May be configured to be held between the rails 29 and 30.

Further, the shaft 1 on the side surface of the suction block 13
The bearings 18 and 19 are attached to the suction blocks 6 and 17, respectively.
8, 19, and bearings 18, 19
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 suction table 13 provided with a large number of suction holes in the board 13 a on the upper surface is used. Although an example has been 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 moved down by the position of the tool of the head of the head structure so as to be separated from the plate to be processed. When processing a plate, the board on the upper surface of the suction block is not damaged even if the tool goes below the lower surface of the work plate. It can be placed on the top, and therefore, the NC program for manufacturing the discarded plate, the labor for manufacturing the discarded plate, and the place to store the discarded plate become unnecessary, so that it is possible to greatly reduce the cost and shorten the delivery time. There are advantages.

[Brief description of the drawings]

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

FIG. 2 is a front view of a suction table of the NC router of FIG. 1;

FIG. 3 is a side view of a suction table of the NC router of FIG. 1;

FIG. 4 is a partially enlarged view of a suction table of the NC router of FIG. 1;

FIG. 5 is a side view of a suction 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. 6;

FIG. 8 is a side view of the NC router of FIG. 6;

[Explanation of symbols]

 Reference Signs List 6 Table frame 7 Rail 9 Bearing 10 Table plate 11, 12 Air cylinder 13 Suction block 14 Bellows 15 Suction pipe 16, 17 Shaft 18, 19 Bearing 20, 21, Arm member 22, 23 Vertical cylinder 24, 25 Support member 26, 27 Guide 28 Work plate

Claims (5)

[Claims] 1. A head structure provided with one or more heads provided with a motor provided with a processing tool such as a drill or a cutter mounted on a rotating shaft is moved in a lateral direction by a rail provided on a frame. In an NC router, a suction table in which a work plate is suctioned on a table frame mounted in a direction orthogonal to the head structure is processed by moving the suction table in a direction orthogonal to the moving direction of the head structure. Lowering means for mounting a plurality of suction blocks in parallel to the moving direction of the structure, and lowering at least one suction block of the suction table at a passage position of the tool mounted on the head structure to a position not in contact with the tool. An adsorption table of an NC router, characterized by having a table. 2. The suction table of an NC router according to claim 1, wherein said lowering means fixes a guide which presses down bearings mounted on respective side surfaces of the suction block at the position of the tool. 3. An air cylinder provided at a lower portion of each of the plurality of suction blocks, and a bearing mounted on each side surface of each of the plurality of suction blocks.
2. The suction table of an NC router according to claim 1, further comprising a guide for pushing down the bearing at the position of the tool. 4. The suction table of an NC router according to claim 2, wherein said lowering means is provided with a spring in place of said air cylinder. 5. The lowering means comprises a bearing mounted on a side surface of the suction block and two rails bent downward at a position where the tool passes to guide each of the bearings. The suction table of the NC router according to claim 1.