JPH0615525A - Cutting device - Google Patents

Abstract

PURPOSE:To carry out diagonal cutting of both end faces of a a work in the reverse direction extremely efficiently and in a short period of time by arranging a first and a second circular saws angularly seen from the front with an interval from each other in the moving direction. CONSTITUTION:Two end faces cut at desired angles in directions reverse of each other by a first and a second circular saws 21, 22 angularly arranged on a casing by way of moving a cutter unit 20 from the state where a work W is engaged with a work engagement groove of a table are simultaneously formed on the work W. By repeating movement of this cutter unit 20 and movement of the work W along the work engagement groove reciprocally, it is possible to continuously acquire products both end faces of which are cut at desired angles in the directions reverse of each other from one piece of the long work W.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cutting device suitable for use in, for example, cutting both ends of an aluminum mold or the like at a predetermined angle (45 degrees or the like) obliquely in mutually opposite directions.

[0002]

2. Description of the Related Art Among residential fittings, for example, sash frames made of aluminum are often applied to door frames and window frames. This type of sash frame uses a special mold material with a special shape made by extrusion molding etc. as the assembly, but normally the mold material does not simply butt and join the end faces, but the end faces are 45 degrees. The pieces are cut, the cut surfaces are butt-joined, and assembled.

By the way, such diagonal cutting of the mold material is
Conventionally, a circular saw machine is used to set a mold member at an angle at which a worker should cut, and a circular saw is put into the mold member for cutting.

[0004]

However, in order to obliquely cut the mold material by such means, it is liable to be carried by the operator, so that the working time is long and it is not efficient.
In many cases, the finished state is also non-uniform, so that there is a problem that skill is required.

The present invention has been made in view of the above circumstances, and when cutting a columnar work such as an aluminum mold material at an angle, an efficient and constant finish can be obtained without requiring skill. Moreover, it is an object of the present invention to provide a cutting device that can freely cut at an arbitrary angle.

[0006]

In order to achieve the above object, the present invention is a cutting device for obliquely cutting the end face of a columnar work such as an aluminum mold material, which is a long device for placing the work substantially horizontally. A work table having such a table, a clamping means for fixing the work placed on the table to the table, and a cutter unit arranged below the table, and the work table is provided with a work piece. A work fitting groove that slidably fits along the length direction and a cutting portion of the work that extends perpendicularly to the length direction of the work fitting groove and is fitted into the work fitting groove are arranged. And a clamp plate for holding both sides of a cutting portion of the work fitted in the work fitting groove, the clamp means being formed so as to be vertically movable above the cutter exposure hole. , The cutter unit The gutter includes first and second circular saws arranged below and on the left and right of the cutter exposure hole, and a casing that supports these circular saws. It is movably installed along the length direction of the cutter exposure hole, the first and second circular saws are spaced apart from each other in the moving direction of the casing, and their rotation axes are set on the table. By installing it in a V-shape inclined at a desired angle with respect to the length direction, it is arranged in a chevron shape as viewed from the front, and the teeth formed on the outer periphery of itself are exposed from the cutter exposure hole of the table. It is characterized by being attached to the casing.

[0007]

According to the present invention, when the cutter unit is moved from the state in which the work is fitted in the work fitting groove of the table, the first and second circular saws make the desired angles in opposite directions. It is possible to form two cut end faces at the same time, and by alternately repeating the movement of the cutter unit and the work along the work fitting groove, one end of the long work is opposite to the other end. The product cut to the desired angle of is continuously obtained.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows the front of the entire cutting device 1 of this embodiment, and the reference numeral 2 designates a floor surface F which constitutes the cutting device 1.
It is a work placement table that is placed on top and horizontally places a work (a mold material or the like forming an aluminum sash frame: indicated by a symbol W in FIGS. 4 and 8).

The work mounting table 2 has a long transfer table 3 extending in the left-right direction and one end of the transfer table 3 (right end in FIG. 1).
And a cutter table 4 which is continuously provided.

In the transfer table 3, a leg frame 5b is assembled on a horizontally framed upper frame 5a, and a leg frame 5b is formed.
The roller table 6 is fixed on the frame 5 on which the reinforcing frame 5c is bridged and the upper frame 5a of the frame 5. As shown in FIG. 7, the roller table 6 includes a pair of front and rear beams 6a extending in the length direction of the transfer table 3.
In between, a rod-shaped roller 6b whose rotation axis is orthogonal to the beam 6a
Is rotatably attached.

The cutter table 4 is shorter than the transfer table 3, and has an upper frame 7a, a leg frame 7b and a reinforcing frame 7.
A horizontally long rectangular table 8 and a sub-table 9 are horizontally fixed on an upper frame 7a of a frame 7 in which c is assembled. The table 8 is on the back side, and the sub-table 9 is arranged in front of the table 8, and the length direction of each is in the left-right direction.

As shown in FIG. 2, on the upper surface of the table 8 and substantially half on the back side, the horizontal direction, that is, the table 8 is provided.
A plurality of work fitting grooves 10 extending along the length direction of the work are formed. The work W is inserted into these work fitting grooves 10.
Are slidably fitted together. The workpiece fitting grooves 10 have the same depth, and the level of the horizontal bottom surface matches the upper surface of each roller 6b of the roller table 6. Further, a cutter exposure hole 11 that extends orthogonally to the work fitting groove 10 is formed substantially at the center of the table 8.
On the left side, a cutting waste drop hole 12 for dropping the cutting waste of the work W downward is formed. The cut portion of the work W is arranged on the cutter exposure hole 11. The cutting waste of the work W is taken by the chute 13 provided on the frame 7 of the cutter base 4.
After that, it is configured to be dropped into the case 14 installed at the right end of the frame 5 of the transfer table 3.

Above the table 8, a work fitting groove 10 is provided.
Clamping means 15 for fixing the work W fitted to the table 8 to the table 8 is provided.

As shown in FIG. 3, the clamp means 15 has a cylinder 16 attached to a support 16 fixed to the frame 7 and arranged on the back of the cutter base 4 at right angles to the upper surface of the table 8. At the lower end of the cylinder 17, the clamp plate 1 which moves up and down by the operation of the cylinder 17
8 is fixed, the clamp plate 18 is parallel to the table 8, and a plurality of ridges 19 parallel to the work fitting groove 10 of the table 8 are formed on the lower surface of the clamp plate 18.

According to this clamp means 15, when the clamp plate 18 is lowered by extending the cylinder 17, the clamp plate 18 extends over both sides of the cutter exposure hole 11 on the table 8, and as shown in FIG. When the workpieces W are fitted in the workpiece fitting grooves 10 one by one, the ridges 19 come into contact with the upper surfaces of the workpieces W to fix the works W in the workpiece fitting grooves 10. . At this time, the ridges 19 press both sides of the cutter exposure hole 11. That is, the ridges 19 of the clamp plate 18
Are formed immediately above the work fitting groove 10 along the work fitting groove 10 in the same number as the work fitting groove 10.

In the frame 7 of the cutter table 4, as shown in FIGS. 5 and 6, a cutter unit 20 for actually cutting both end faces of the work W at 45 degrees in mutually opposite directions is incorporated.

This cutter unit 20 includes a first circular saw 2
It is provided with first and second circular saws 22 and a casing 23 that supports these circular saws 21 and 22.

The casing 23 is installed movably in the front-rear direction (direction orthogonal to the work fitting groove 10) with respect to the upper reinforcing frame 7c constituting the frame 7 of the cutter table 4. That is, on the reinforcing frame 7c, a pair of rails 25, 25 extending in the front-rear direction via the shaped steels 24, 24 are fixed, and a slider 26 provided on the lower surface of the casing 23 slides along the rails 25. It is movably fitted. The cylinder 27 moves the casing 23 in the front-rear direction.

A first circular saw 21 is arranged on the upper side of the casing 23 and on the right side thereof, and a second circular saw 22 is arranged on the left side thereof. It is arranged at intervals. These circular saws 21,
The rotary shafts 21a and 22a of the table 22 are installed in a V shape with an inclination of 45 degrees with respect to the lengthwise direction of the table 8, and the teeth 21b and 22b on the outer periphery are located above the cutter exposure hole 11 of the table 8 upward. Exposed for a specified length. When viewed from the front in this state, the circular saws 21 and 22 are arranged in a mountain shape. Circular saw 2
The rotary shafts 21a and 22a of the rotary shafts 1 and 22 are supported by the casing 23, and the circular saws 21 and 22 are operated by one drive mechanism (not shown) housed in the casing 23. The teeth 21b and 22b of the circular saws 21 and 22 are
Is set so that the work W is cut by relatively feeding the work W from the front side.

The first circular saw 21 and the second circular saw 22 are
Although it moves back and forth integrally with the casing 23, the stroke is farthest on the far side, and the teeth 21b of the first circular saw 21 come out deeper than the cutter exposure hole 11, and on the farthest side,
The teeth 22b of the second circular saw 22 come out to the front side, that is,
Each tooth 21b, 2
The length is set so that 2b does not exist.

The sub-table 9 arranged on the front side of the table 8 has an escape hole (not shown) in the cutter exposure hole 11 of the table 8 for avoiding interference when the circular saws 21 and 22 are moved to the front side. The cover 28 is formed continuously and covers the escape hole to prevent danger.

On the lower surface of the clamp plate 18 of the clamp means 15, the teeth 21b of the circular saws 21 and 22,
An inverted V-shaped escape groove 18a is formed so as to avoid the interference of 22b.

On the inner side of the transfer table 3, as shown in FIG. 7, the stopper guide 2 extending along the length direction of the transfer table.
9 is provided, and a stopper 30 is slidably installed along the stopper guide 29.

The stopper 30 sets the length of the workpiece W to be cut, and includes a slider 31 slidably attached to the stopper guide 29, a vertical plate portion 32a fixed to the slider 31, and a horizontal plate portion 32a. A bracket 32 having an L-shaped cross section including a plate portion 32b, a stopper plate 33 and a grip 34 fixed to the vertical plate portion 32a of the bracket 32 and arranged on the roller table 6, and the bracket 3
It comprises a digital scale sensor 35 set on the second horizontal plate portion 32b, and a fixing lever 36 provided on the front side of the vertical plate portion 32a of the bracket 32 and fixing the slider 31 to the stopper guide 29.

The stopper plate 33 is in the shape of a rectangular plate, is parallel to the axial direction of each roller 6b, and stands on the roller table 6, and one end thereof is fixed to the front end of the vertical plate portion 32a of the bracket 32. A wheel 38 that rolls on the beam 6a on the front side of the roller table 6 is attached to the other end via a stay 37, and there is a slight gap between the lower end and each roller 6b of the roller table 6.

The handle 34 is in the shape of a round bar, and the bracket 3
The second vertical plate portion 32a is fixed to the left end of the vertical plate portion 32a in parallel with the stopper plate 33, and the handle 34 is gripped to move the entire stopper 30 along the stopper guide 29.

The digital scale sensor 35 detects the distance from the tip of the stopper 30 and the stopper guide 29 with the contact surface of the work W, which is the right surface of the stopper plate 33, as a reference. The information is displayed on the display panel 40 via 39. This distance is the distance between the contact surface of the workpiece W of the stopper plate 33 and the cutter exposure hole 11, and is the length of the workpiece W after cutting. A scale 41 showing a similar distance is provided on the beam 6a on the front side of the roller table 6 on which the wheels 38 roll, while the front end portion of the stopper plate 33 is attached to the contact surface of the work W. In addition, a finger piece 42 indicating the scale of the scale 41 is attached, and the scale 41 can also set or confirm the length of the work W to be cut.

Now, a method of using the cutting device of the present embodiment having the above-mentioned structure, and the operation and the like thereof will be described below.

(1) First, the stopper 34 is moved along the stopper guide 29 by the handle 34, and the display of the display board 40 by the digital scale sensor 35 or the display of the finger piece 42 on the scale 41 is preset. Set the length of the workpiece W to be cut and set the stopper 3
Fix 0 there. In addition, the cutter unit 20 is previously positioned by the cylinder 27 at the innermost side (this is the standby position) to open the cutter exposure hole 11 of the table 8, and the clamp plate 18 of the clamp means 15 is raised. deep. And the first and second
The circular saws 21 and 22 are operated. The operation of the circular saws 21 and 22 continues without interruption thereafter.

(2) Next, a plurality of works W to be cut (of course, one work W) is fitted into the work fitting grooves 10 of the plurality of tables 8 one by one, as shown in FIG. Then, the left side (the transfer table 3 side) end portion is arranged on the cutter exposure hole 11. Then, the clamp plate 18 of the clamp means 15 is lowered by the cylinder 17 to fix the work W on the table 8.

(3) From this state, the cutter unit 20 is moved to the most front side (this is the cutting completion position) by the cylinder 27. As a result, the left end of the work W is cut at 45 degrees by the first circular saw 21.

(4) Next, after returning the cutter unit 20 to the standby position and raising the clamp plate 18, the work W is moved to the transfer table 3 side along the work fitting groove 10 and the cut end is removed. Abut against the stopper plate 33 of the stopper 30. On the transfer table 3, the work W moves as the roller 6b of the roller table 6 rolls. In this state, the cutting portion of the work W is bridged over the cutter exposure hole 11.

(5) Next, the work W is fixed on the table 8 by the clamp means 15, and then the cutter unit 20 is moved from the standby position to the cutting completion position. Then, as shown in FIG. 9, after the left end of the new work W is cut by the first circular saw 21, the second circular saw 22 then reverses the left end. In the direction, the right end is cut at 45 degrees. At this point, the work W on the left side of the second circular saw 22 has its both end surfaces cut at 45 degrees in different directions, and the cutting process is completed. The work W for which the cutting process has been completed is eliminated, and at this point, the above (3)
It will be in the same state as when the fixation of was completed.

(6) By repeating the above steps (3) to (5), a plurality of products in which both end faces are cut at 45 degrees in different directions from one long work W are continuously produced. Obtainable.

The reciprocating movement of the cutter unit 20 between the standby position and the cutting completion position by the cylinder 27 and the clamp plate 1 by the cylinder 17 of the clamp means 15 are performed.
The vertical movement of 8 may be automatically controlled by combining a limit switch and a sensor.

According to the cutting apparatus 1 of the present embodiment, the movement of the work W and the movement of the cutter unit 20 are alternately repeated so that one end of the long work W is turned to 45 degrees in the opposite directions. The cut product is continuously obtained. At that time, with one movement of the cutter unit 20,
At the same time, two end faces are cut. Therefore, when the end face of the work W is cut at 45 degrees and both end faces are cut at 45 degrees in the opposite directions, the work can be performed very efficiently and in a short time, and the work can be done with a certain degree of finish and with a constant finish. Is obtained.

The cutting device 1 of the present embodiment has the first
The angle of the second circular saws 21 and 22 is set to 45 degrees, but in the present invention, the angle is arbitrary.

[0038]

As described above, according to the cutting apparatus of the present invention, when the cutter unit is moved from the state in which the work is fitted in the work fitting groove of the table, the first and second round blades are moved. With the saw, two end faces cut at desired angles in mutually opposite directions can be formed at the same time, and by moving the cutter unit and moving the work along the work fitting groove alternately, Products with both end faces cut at desired angles in opposite directions from a long work piece of a continuous product, and therefore diagonal cuts in opposite directions of the work end faces can be performed very efficiently and in a short time. The work does not require skill and has the effect that the finish is constant.

[Brief description of drawings]

FIG. 1 is a front view of an embodiment of the present invention.

FIG. 2 is a perspective view of a table, clamp means, and the like.

FIG. 3 is a front view of a clamp means.

FIG. 4 is a cross-sectional view showing a state where a work is fixed to a work fitting groove of a table by a clamp means.

FIG. 5 is a front view of a cutter unit.

FIG. 6 is a partial plan view of a cutter unit.

FIG. 7 is an upper perspective view of a transfer table.

FIG. 8 is a front view for explaining the first step of cutting the work.

FIG. 9 is a front view for explaining a second step of cutting the work.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cutting device 2 Work mounting table 8 Table 10 Work fitting groove 11 Cutter exposure hole 15 Clamping means 18 Clamp plate 20 Cutter unit 21 First circular saw 22 Second circular saw 23 Casing W Work

Claims (1)

[Claims] 1. A cutting device for obliquely cutting an end surface of a columnar work such as an aluminum die member, the work placing table having a long table on which the work is placed substantially horizontally, and a work placing table mounted on the table. A work is provided which includes a clamp unit for fixing the work to the table, and a cutter unit arranged below the table, and the work of which the work is slidably fitted in the table of the work placement table along the length direction. A fitting groove and a cutter exposure hole that extends orthogonally to the length direction of the work fitting groove and in which a cutting portion of the work fitted in the work fitting groove is arranged are formed, and the clamping means is The clamp unit is installed above the cutter exposure hole so as to be vertically movable, and has a clamp plate that presses both sides of a cutting portion of the work fitted in the work fitting groove. There It is provided with first and second circular saws arranged on the left and right, and a casing that supports these circular saws, and the casing is movably installed on the workpiece mounting table along the length direction of the cutter exposure hole. The first and second circular saws are spaced apart from each other in the moving direction of the casing, and their rotation axes are inclined at a desired angle with respect to the longitudinal direction of the table to form a V-shape. Is arranged in a chevron shape when viewed from the front, and the teeth formed on the outer periphery of itself are attached to the casing so as to be exposed from the cutter exposure hole of the table. Cutting device.