JP2693088B2 - R frame material cutting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for cutting both ends of an R frame material such as a door frame or a window frame, which is formed into a substantially inverted U shape by bending the central portion in the length direction.

[0002]

2. Description of the Related Art In a building such as a house, there is a type of door or window whose design has been devised so that the upper end portion is formed in a semi-circular shape. , An inverted U-shape is used.

Such an inverted U-shaped frame material is usually manufactured by forming an aluminum extruded material into a U-shaped curve and cutting both ends thereof. In order to cut both ends, a cutter device provided with a cutter such as a circular saw on a horizontal table is used, and the door frame material placed on the horizontal table of the cutter device is shifted, and one end is cut by the cutter.

[0004]

In order to cut the both ends of the door frame material as described above, the operator must support the door frame material on the horizontal table and shift it with respect to the cutter. This is an inefficient and poorly productive and dangerous task because most of the work is manual.

The present invention has been made in view of the above circumstances, and the cutting of both ends of the R frame member can be performed efficiently and safely, and the productivity can be improved. The purpose is to provide a device.

[0006]

SUMMARY OF THE INVENTION The present invention has been made to achieve the above object, and as claimed in claim 1, an R frame in which a central portion in a length direction is curved to be formed in a substantially U shape. a device for cutting the ends of wood, said a base for mounting the R frame member, attached to the base board, the placed of R frame member to the base, the straight portions extending in parallel to each other across the both side portions, a linear portion clamping mechanism for locking them straight portion to the base, mounted on the base, the placed of R frame member to the base, on both sides of the vertex of the curved portion A bending portion clamp mechanism that holds this bending portion on the base with the portion sandwiched therebetween, and slides with respect to the base along the width direction of the R frame material that is locked to the base by each of the clamp mechanisms. capable provided, and a cutter for cutting the ends of the R frame member with the slides, said curved Clamping mechanism pairs the base
However, it is slidable along the length of the R frame material.
It is characterized by being attached .

According to a second aspect of the present invention, in the cutting device of the first aspect, the linear portion clamp mechanism and the curved portion clamp mechanism are respectively attached to the base with respect to the R.
It is characterized in that it is configured to be slidable along the width direction of the frame material.

According to a third aspect of the present invention, in the cutting device according to the first or second aspect, the linear portion clamping machine is used.
The structure and the bending part clamp mechanism each have few
Both have a pair of clamp plates, and the pair of clamps
Of the plates, one clamp plate is fixed,
The other clamp plate to the one clamp plate
It is characterized by being slidable with respect to it.

[0009]

According to the cutting device for R frame material of the present invention, the linear portion clamping mechanism and the bending portion clamping mechanism lock the arbitrary portion of the linear portion of the R frame material and the apex portion of the curved portion, respectively. If the R frame member is fixed to the base and the cutter is operated in that state to slide it along the width direction of the R frame member, the ends of the straight portions are cut. Most of the work by the worker is to set the R frame material to be cut on the base and to remove it after the cutting, and the worker does not need to directly work for the actual cutting. Therefore, the ratio of defective products can be extremely reduced, the efficiency and productivity can be improved, and the cutting work can be performed safely. Moreover, the bending portion clamp mechanism
To the base along the length direction of the R frame material.
R frame material of any length by attaching so that it can be attached
It becomes possible to correspond to.

Further, by mounting the linear portion clamp mechanism and the curved portion clamp mechanism so as to be slidable along the width direction of the R frame member, the R frame member of an arbitrary width can be mounted.
It becomes possible to respond. Also, the straight part clamp machine
The structure and the bending part clamp mechanism
Both have a pair of clamp plates, and the pair of clamps
Of the plates, fix one clamp plate and
One clamp plate to the other clamp plate.
And slideable so that
The lamp plate serves as a reference for positioning the R frame material, and the R frame
Positioning of materials becomes easy.

[0011]

1 is a front perspective view of a cutting apparatus 1 for cutting both ends of a work W, which is an R frame, according to an embodiment of the present invention, and FIG. 2 is a rear perspective view thereof. The work W is made by extruding an aluminum extruded material having a predetermined cross-sectional shape into a predetermined R, and has linear portions W1 and curved portions W2 that extend in parallel with each other at a predetermined interval.

The cutting device 1 has a base 2 on which a work (R frame member) W is placed, and a straight line W1 on both sides of the work W placed on the base 2 so as to sandwich these straight lines. The linear portion clamp mechanism 3 that locks the portion W1 to the base 2 and both sides of the apex portion of the curved portion W2 of the work W placed on the base 2 are sandwiched between the curved portion W2. The bending part clamp mechanism 4 that is locked to the base 2 and the base 2 are slidably provided along the width direction of the work W that is locked to the base 2 by the clamp mechanisms 3 and 4, and the slide is performed. Accordingly, the basic structure is provided with the cutter mechanism 5 for cutting both ends of the work W.

The base 2 is composed of a frame 6 provided with wheels 6a for movement and a horizontally long rectangular table 7 obliquely provided at a predetermined angle. The table 7 is fixed to the left side of the frame 6. The fixed first fixed table 8 and the second fixed table 8 fixed on the right side slightly away from the fixed table 8.
The fixed table 9 and the movable table 10 that is slidable in the left-right direction with respect to the first fixed table 8.

Guide rails 11 extending in the left-right direction are provided at approximately the center of the first fixed table 8 in the height direction and above and below.
12 are attached respectively, and the movable table 10 slides in the left-right direction (the length direction of the work W) along the guide rails 11 and 12.

The lever 1 for stopping this slide and fixing the movable table 10 to the first fixed table 8
3 is attached to the right end of the movable table 10. A screw (not shown) that is screwed into the movable table 10 and is pressed by the guide rail 11 at its tip is fixed to the lever 13, and the tip of the screw is rotated in the screwing direction (right direction) of the lever 13. The movable table 10 by pressing the guide rail 11 against the movable table 10.
The fixed state can be set at a desired position with respect to the first fixed table.

On the movable table 10, the curved portion W2 side of the work W is placed, and the movable table 1
0, the bending portion clamp mechanism 4 that locks the bending portion W2 on the movable table 10 by sandwiching both side portions of the apex portion of the bending portion W2 in the work W, and the linear portions W1 close to the bending portion W2. The linear portion clamp mechanism 3 that locks the linear portions W1 on the movable table 10 with both side portions of the linear portion W1 sandwiched therebetween.
Is provided.

As shown in FIG. 3, the bending portion clamp mechanism 4 is slidable in the vertical direction (width direction of the work W) along a pair of vertically extending guide rails 14 provided on the movable table 10. In addition, the vertical movement plate 15 slightly floating from the movable table 10 and the pair of left and right clamp plates 16a and 16b attached to the vertical movement plate 15. Of these clamp plates 16a and 16b, the left clamp plate 1
6a is fixed to the vertical movement plate 15, and the other clamp plate 16b is movable left and right by a cylinder 17 attached to the back side of the vertical movement plate 15.

A lever 13 having the same structure as the lever 13 is provided on the vertical moving plate 15 in a state of engaging with the left guide rail 14, and the position of the vertical moving plate 15 with respect to the movable table 10 is set to the lever. It can be fixed at any position by the operation of 13.

As shown in FIG. 3, the linear portion clamp mechanism 3 is provided at the right end portion of the movable table 10 in a pair of upper and lower portions, and includes a base plate 18 and a pair of upper and lower portions attached to the base plate 18. It is provided with clamp plates 19a and 19b. The upper one of the pair of upper and lower linear part clamp mechanisms 3 slides up and down.
It is possible .

That is, in the movable upper linear portion clamping mechanism 3, the base plate 18 has the guide rail 14 on the right side of the bending portion clamping mechanism 4 and the guide rails 20, 21 provided on the right side of the guide rail 14. Is slidable in the up-down direction (width direction of the work W) along. The guide rails 20 and 21 are parallel to the guide rail 14 and fixed to the movable table 10. In the base plate 18 that slides up and down,
A lever 13 having the same configuration as that of the lever 13 is provided in a state of engaging with the guide rail 20, and the position of the vertically movable base plate 18 with respect to the movable table 10 is fixed to an arbitrary position by operating the lever 13. You can do it.

On the other hand, the base plate 18 of the lower linear portion clamp mechanism 3 is fixed to the lower end of the movable table 10. Therefore, by vertically moving the upper linear portion clamp mechanism 3, the upper and lower linear portion clamp mechanisms 3 move away from each other or come closer to each other.

Of the clamp plates 19a and 19b in the upper and lower linear portion clamp mechanisms 3, the outer clamp plate 19a (upper in the upper linear portion clamp mechanism 3 and lower in the lower linear portion clamp mechanism 3) is the base plate. 18 clamped to the other clamp plate 1
The cylinder 9b can be moved up and down by a cylinder 22 attached to the back side of the base plate 18.

The vertical moving plate 15 and each base plate 18 in each of the clamp mechanisms 3 and 4 are set so that their surfaces are in the same plane.

Further, a vertically movable plate 15 which can be moved vertically
The weights 24 and 25 are connected to the upper end of the base plate 18 via the hanging string 23, respectively. Each hanging string 23 is wound around a pulley 27 attached to a stay 26. The weights 24 and 25 are approximately the same in weight as the vertical moving plate 15 and the base plate 18, respectively, and the two connected are well balanced. As a result, the vertical movement plate 15 and the base plate 18 can be stopped at arbitrary positions without using the lever 13 and can be slid up and down with a light force.

The second fixed table 9 is vertically long and slender,
The second fixed table 9 includes the first fixed table 8
The linear portion clamp mechanism 3 having the same structure as the pair of upper and lower linear portion clamp mechanisms 3 provided in the upper and lower portions of the base plate 18 that moves up and down is provided with the hanging strap 23 so that the linear portion clamp mechanism 3 is almost the same. Weights 25 having the same weight are connected. The hanging string 23 is wound around a pulley 27 attached to a stay 28. The surfaces of the base plates 18 of the pair of upper and lower linear portion clamp mechanisms 3 provided on the second fixed table 9 are vertically moved by the base plates 18 of the linear portion clamp mechanism 3 and the bending portion clamp mechanism 4 on the movable table 10 side. It is set in the same plane as the surface of the plate 15.

The work W is placed and locked on the first and second fixed tables 8 and 9 and the movable table 10 provided on the base 2 as follows.

First, the movable table 10 is appropriately moved and fixed according to the length (height) of the work W, and the pair of clamp plates 16a and 16b of the clamp mechanisms 3 and 4,
Clamp plate 16 on the movable side between 19a and 19b
By moving b and 19b respectively, the work W
The width is made wider than the width of the curved portion W2 and the straight portion W1.

The work W is laid sideways with the bending portion W2 facing the bending portion clamping mechanism 4 side (left side in FIG. 1), and one straight portion W1 is placed under each straight portion clamping mechanism 3 (fixed side).
Of the other linear portion W1 on the upper (fixed side) clamp plate 16a while adjusting the position of the base plate 18 of the upper (movable side) linear portion clamp mechanism 3 while mounting the same on the upper clamp plate 16a. Apply the outer side of the.

The bending portion W2 is inserted between the clamp plates 16a and 16b of the bending portion clamp mechanism 4. Then, the vertical movement plate 1 is adjusted so that the apex which is the tip thereof is located exactly between the clamp plates 16a and 16b.
Adjust the position of 5 and fix it.

From this state, the movable clamp plates 16b, 19b are moved in the direction of the work W, and by the pair of clamp plates 16a, 16b, 19a, 19b, that is, the linear portion clamp mechanism 3 and the curved portion clamp mechanism. By 4, the apexes of both the linear portion W1 and the curved portion W2 of the work W are sandwiched.

Now, the cutter mechanism 5 is arranged on the right side of the second fixed table 9 of the frame 6. The cutter mechanism 5 includes a cutter frame 29 fixed to the frame 6 and a cutter 30 provided on the cutter frame 29 and slidable in the vertical direction (width direction of the work W).

The cutter frame 29 extends vertically at a position slightly distant from the second fixed table 9 and is inclined at the same angle as the tables 8 and 9 and is fixed to the frame 6. . This cutter frame 29 is
The upper end and the lower end thereof project above and below the table 7, respectively.

A pair of left and right guide rails 31 extending along the length direction of the cutter frame 29 are attached to the cutter frame 29. A screw rod 32 extending in the same direction is arranged between the guide rails 31. Both ends of the screw rod 32 are supported and attached to the cutter frame 29 so as to be rotatable about an axis.

The cutter 30 has a circular saw shape and is driven to rotate by a cutter motor 33. The cutter motor 33 is slidable up and down along the guide rail 31, It is screwed to the screw rod 32. The screw rod 32 is mounted on the upper portion of the cutter frame 29, and the slide motor 3 is attached.
4, the cutter motor 33 slides up and down along the guide rail 31 when the screw rod 32 rotates. Cutter 30
Is fixed to a drive shaft 33a extending to the left from the cutter motor 33, the cutter surface is substantially vertical, and of course slides up and down together with the cutter motor 33.

The right end of the frame 6 is covered with a cover plate 35 fixed to the frame 6. The cover plate 35 covers a part of the cutter frame 29, and the cutter motor 33 is slidable up and down inside the inside (back side) thereof. The cover plate 35 is the plate 1 of each of the clamp mechanisms 3 and 4.
The plates 5 and 18 are parallel to each other, and their surfaces are slightly deeper than the plates 15 and 18.

A slight gap 36 extending vertically is formed between the cover plate 35 and the second fixed table 9, and the cutter 30 moves through this gap 36.

Further, below the gap 36, a swarf box 37 for storing swarf is installed. The chip box 37 may be removably attached to the frame 6 or may simply be placed on the floor.

The above is the configuration of the R frame material cutting device 1 of the present embodiment. Next, the usage method and operation of the cutting device 1 will be described.

First, the cutter 30 is placed at the uppermost position. Then, as described above, the linear portions W1 and the curved portions W2 of the work W are respectively attached to the clamp mechanisms 3,
The work W is fixed by being sandwiched by 4, but the movable table 10 is moved to the left and right to move the linear portion W before moving the clamp plates 16b and 19b on the movable side.
The movable table 10 is fixed to the first fixed table 8 after the cutting position of the end portion of the workpiece W is aligned with the gap 36, and then each linear portion W1 of the work W is fixed by each clamp mechanism 3 and 4.
The curved portion W2 is fixed, and the movable plates 15 and 18 are fixed to the movable table 10 and the second fixed table 9 which are fixed to the first fixed table 8, respectively.

As described above, the setting of the work W on the table 7 is completed as shown in FIG.
3 is operated, the slide motor 34 is operated, and the cutter 30 in the operating state is slid downward to cut both linear portions W2 of the work W. The chips generated during cutting enter the chip box 37.

According to the R frame material cutting apparatus 1 of the present embodiment, most of the work by the worker is to set the work W on the table 7 and remove it after cutting, and when actually cutting it. It does not require the labor of a direct worker. Therefore, the proportion of defective products can be extremely reduced, the efficiency and productivity can be improved, and the work W can be cut safely.

Further, according to the cutting apparatus 1 of this embodiment, the linear portion clamping mechanism 3 for the linear portion W1 of the work W is
It is possible to correspond to the width direction of the work W as desired, and the bending portion clamp mechanism 4 is also the same, and moreover, the movable table 1
By moving 0 to the left and right, it is possible to arbitrarily correspond to the length direction of the work W. That is, no matter what width and length the work W has, by adjusting the positions of the clamp mechanisms 3 and 4, the work W can be set in the cutting device 1 and a desired cutting location can be cut.

The above operation control is performed by providing a limit switch for detecting the vertical movement of the cutter 30,
It would be extremely convenient if it could be automated by the controller.

[0044]

As described above, according to the cutting apparatus for R frame material of the present invention, most of the work by the operator is to set the R frame material to be cut on the base and remove it after cutting. Yes, there is no need for a direct worker to actually cut the wire, so the rate of defective products must be determined.
The cutting work can be performed efficiently and with high productivity , and the cutting work can be performed safely . Only
Also, the bending portion clamp mechanism is attached to the base with the R
I attached it so that it could slide along the length of the frame.
Thus, it is possible to cope with an R frame member having an arbitrary length.

Further, since the linear portion clamp mechanism and the curved portion clamp mechanism are slidably attached respectively along the width direction of the R frame member, it corresponds to the R frame member of any width.
be able to. In addition, the linear portion clamp mechanism and the front
Each of the bending portion clamp mechanisms has at least a pair of
A clamp plate, and a pair of clamp plates
Among them, fix one clamp plate and
Slide plate against the one clamp plate.
Since it is configured so that it can be driven, one clamp plate is R frame
It can be used as a reference for the positioning of the material, and the positioning of the R frame material
Can be performed easily and accurately.

[Brief description of the drawings]

FIG. 1 is a front perspective view of an R frame material cutting device according to an embodiment of the present invention.

FIG. 2 is a perspective view of the back side of the embodiment.

FIG. 3 is a front view of a linear portion clamp mechanism and a curved portion clamp mechanism.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Cutting device 2 Base 3 Linear part clamp mechanism 4 Curved part clamp mechanism 5 Cutter mechanism 16a, 16b, 19a, 19b Clamp plate 30 Cutter W Work (R frame material) W1 Linear part W2 Curved part

Claims (3)

(57) [Claims] 1. A central longitudinal portion a device for cutting the ends of the curved processed by substantially U-shape formed R frame members, a base for mounting the R frame member, base A straight portion clamp mechanism that is attached to a base and sandwiches both sides of each straight portion of the R frame material that extends in parallel with each other on the R frame material and that locks these straight portions to the base, A bending portion clamp mechanism that is attached to a base and holds both sides of the apex of the bending portion of the R frame member placed on the base, and locks the bending portion to the base. along said width direction of the R frame member in a state of being locked to the base by the clamp mechanism slidable, and a cutter for cutting the ends of the R frame member with the slides, said curved The part clamp mechanism uses the R frame with respect to the base.
Mounted slidably along the length of the material
Cutting device R frame member, characterized in that that. 2. The linear portion clamp mechanism and the curved portion clamp mechanism are slidably attached to the base along the width direction of the R frame member, respectively. Cutting device for R frame material described. 3. The straight portion clamp mechanism and the bending
Section clamping mechanism, each of which has at least one pair of
Of the pair of clamp plates,
One clamp plate is fixed and the other clamp plate
The rate can be slid to the one clamp plate
Cutting device according to claim 1 or claim 2 wherein the R frame member, characterized in that there is a capacity.