JPH09131701A - Stopper for cutter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the operability of a stopper for a cutter of the type which makes it possible to slide a cutter body with respect to a table in the cutter such as a slidably circular saw. SOLUTION: The stopper for a cutter comprises a slide stopper member 14 so provided at a slide support member 3 for slidably supporting a cutter body with respect to a table 2 as to make it possible to press, an operating member 11 for the slide stopper at the operating front surface 2C of the table 2 to press the member 14 to the member 3 by the operation of the member 11 to prevent the movement of the body in the sliding direction.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cutting machine such as a slide circular saw, in which a cutting machine body having a cutting blade is slidably supported on a table on which a material to be cut is placed. It relates to a stopper device for blocking the movement of the cutting machine body in the sliding direction in another type of cutting machine.

[0002]

2. Description of the Related Art Conventionally, a stopper device in a cutting machine of this type is disclosed in, for example, Japanese Patent Laid-Open No. 4432/1992.
As disclosed in Japanese Patent Laid-Open No. 1-1998, since the knob arranged on the side opposite to the operation front side of the cutting machine (the rear side of the cutting machine) is rotated and the like, the operator operates the stopper device. In order to operate, the operability was poor because the operator had to extend his hand to the back of the cutting machine and grab the knob and operate it by groping. Especially, since the knob is located behind the cutting machine body, it is difficult for the operator to see it.
There is a problem that a dust bag or the like normally attached to the rear part of the cutting machine body covers the knob, making it difficult to operate.

Further, in a type of cutting machine in which the cutting machine body can be rotated not only with a slide but also with a turntable, since the position of the knob of the stopper device changes each time the turntable is rotated, It is necessary to operate the knob in a more hand-held state, or to rotate the knob after checking the position of the knob by visually declining the posture of the cutting work. Was not good.

The present invention has been made in view of such conventional problems, and an object thereof is to provide a stopper device having good operability.

[0005]

Therefore, the invention as set forth in claim 1 relates to a cutting machine of the type in which the cutting machine main body is slidably supported on a table on which a material to be cut is placed. A stopper device for preventing movement of the cutting machine body in the sliding direction, wherein a slide stopper member is provided on the table so as to be able to press against a slide support member for slidingly supporting the cutting machine body. On the other hand, a slide stopper operation member is provided on the operation front face of the table, and the slide stopper operation member is pressed against the slide member by the operation of the slide stopper operation member to slide the cutting machine body with respect to the table. It is characterized in that it is configured to prevent the movement of.

According to the above construction, by operating the slide stopper operating member arranged on the operation front surface of the table, the slide stopper member is pressed by the slide member and the cutting machine body is fixed so as not to move in the sliding direction. It When the slide stopper operating member is operated in the opposite direction, the pressing of the slide stopper on the slide member is released, and the cutting machine body becomes slidable. In this way, the cutting machine main body is fixed at an arbitrary slide position by operating the slide stopper operation member arranged on the operation front surface of the table, so that the operator can hold his / her hand on the cutting machine main body as in the conventional case. The stopper device can be operated without being pushed out to the rear side, and therefore the operability of the stopper device is improved.

According to a second aspect of the present invention, there is provided the stopper device according to the first aspect, in which the slide stopper rod is movably provided on the table in accordance with the rotation operation of the slide stopper operating member, and the slide stopper member is rotated. It is movable and can be brought into and out of contact with the slide supporting member in accordance with the rotating operation, and the slide stopper member is rotated by the movement of the slide stopper rod to press the slide supporting member.

According to the above construction, when the slide stopper operating member is rotated, the slide stopper rod is moved, whereby the slide stopper member is rotated and pressed by the slide member, whereby the slide direction of the cutting machine body is set. Is prevented from moving. Further, when the slide stopper operating member is rotated in the opposite direction, the pressing of the slide stopper member against the slide member by the slide stopper rod is released, whereby the cutting machine body can be slid. By thus interposing the slide stopper rod between the operation member and the stopper member, the operation member can be arranged on the operation front face portion apart from the stopper member with a simple structure.

According to a third aspect of the invention, a table on which a material to be cut is placed is rotatably supported with respect to a base, and a cutting machine body is slidably supported with respect to the table. In the cutting machine, a rotation stopper operation member is provided on the operation front surface of the table, and the rotation stopper member is pressed against the base by the movement of the rotation stopper rod in the sliding direction accompanying the rotation operation of the rotation stopper operation member. A stopper device in which the stopper device according to claim 2 is applied to a cutting machine configured to prevent the rotation of the table, wherein the slide stopper operation member is coaxial and independent of the rotation stopper operation member. The slide stopper rod or the rotation stopper rod is formed in a sleeve shape and the other is It is inserted into the side, characterized in that movable in the sliding direction independently of each other.

According to the above construction, the slide stopper operating member and the rotation stopper operating member are arranged coaxially, and the slide stopper rod and the rotation stopper rod are also arranged coaxially. , Can be compactly installed in a small space such as between a table and a base.

According to a fourth aspect of the invention, a table on which a material to be cut is placed is rotatably supported with respect to a base, and a cutting machine main body is slidably supported with respect to the table. In a cutting machine, an operation member of a stopper device for preventing movement of the cutting machine body in a sliding direction on an operation front surface part of the table, and a rotation stopper device for fixing rotation of the table to an arbitrary position. The operating member and the operating member of the table lock device for fixing the rotation of the table to the position set in advance stepwise are arranged intensively.

According to the above construction, since the three kinds of operation members are concentratedly arranged on the operation front surface of the table, any operation can be performed in the same posture without changing the work posture, and any one of the operations can be performed. It is also possible to operate other operating members while gripping the members, and the operability of the stopper device in this type of cutting machine is significantly improved.

[0013]

FIG. 1 shows an embodiment of the present invention.
This will be described with reference to FIG. In the present embodiment, a slide circle saw 1 will be described as an example of a cutting machine. FIG. 1 shows the entire slide Marunoco 1. Reference numeral 7 in the drawing denotes a base, and the table 2 is rotatably supported by the base 7, and the rear portion of the table 2 (the left end portion in the drawing)
The cutting machine body 4 is supported by the slide shafts 3 as slide members so as to be slidable in the left-right direction in the drawing.

The cutting machine main body 4 is a main part of the slide circular saw 1, but it will not be described in detail because it does not need to be changed in order to carry out the present invention. However, reference numeral 4a in the drawing denotes a circular saw blade rotated by the electric motor 4b. Further, since the cutting machine body 4 is supported by the slide shaft 3 via the tilt support portion 5, when the fixing lever 5a is loosened, the cutting machine body 4 can be tilted in a certain range in the direction orthogonal to the paper surface. Yes, fixed lever 5a
By tightening, the cutting machine body 4 and thus the saw blade 4a can be fixed to the table 2 at an arbitrary inclination angle, whereby so-called angle cutting can be performed. Further, a fence 6 for positioning the material to be cut is provided on the rear portion of the upper surface of the table 2.

As shown in FIGS. 2 and 3, the table 2 is rotatably supported by the base 7 via a rotary support portion 8 formed by fitting the cylindrical support portions 2a, 7a into a concavo-convex shape.
As shown in FIG. 3, the table 2 has a disc portion 2A and a protruding portion 2B that protrudes forward from the front portion (right portion in the drawing) of the disc portion 2A. Two slide shafts 3, 3 are supported on the lower surface side of the table 2 so as to be parallel and slidable at regular intervals via two bearings 9a, 9b mounted on the lower surface of the rear portion of the disk portion 2A. .

The position of one bearing 9a can be adjusted so that the slide shafts 3 can be easily paralleled. Further, the front end portions (right end portions in the drawing) of the slide shafts 3 and 3 and the two locations substantially in the center in the axial direction are connected at regular intervals by a connecting bar 3a. In the figure, the central connecting bar 3a is omitted.

The slide stopper device 10 for fixing the position of the cutting machine body 4 in the sliding direction and the rotation stopper device 20 for fixing the position of the table 2 and thus the cutting machine body 4 in the rotation direction are both a table. The slide stopper operating member 11 and the rotation stopper operating member 21 are independently rotatably provided on the front wall portion 2C of the protruding portion 2B of the table 2 which is disposed on the lower surface side of the table 2. . The front wall portion 2C corresponds to the operation front portion described in the claims.

The slide stopper operating member 11 has a substantially cylindrical shape, and the screw member 1 has an insertion hole 12a in the center thereof.
It is screwed into the front wall portion 2C via 2. The rotation stopper rod 22 is inserted through the inner peripheral side of the slide stopper operating member 11 and the insertion hole 12a of the screw member 12, and the rotation stopper operating member 21 is attached to the tip end (right end in the drawing) of the rotation stopper rod 22. Is installed. Therefore, the slide stopper operating member 11 and the rotation stopper operating member 21 are arranged coaxially and can be independently rotated as described above.

A sleeve-shaped slide stopper rod 13 is mounted on the outer peripheral side of the rotation stopper rod 22 so as to be relatively movable in the axial direction. Since the screw member 12 is in contact with the right end of the slide stopper rod 13 in the drawing, when the slide stopper operating member 11 is rotated to rotate the screw member 12 in the screwing direction,
The slide stopper rod 13 moves to the left in the drawing independently of the rotation stopper rod 22.

On the other hand, the left end of the slide stopper rod 13 in the figure is abutted against the side of the stopper member 14 for the slide stopper. Slide stopper member 14
4 has a substantially Y-shaped cross section as well shown in FIG. 4, and is supported by a support pin 15 on the side portion of one slide shaft 3 so as to be horizontally rotatable. The slide stopper rod 13 is abutted against the side portion of the forked portion of the slide stopper member 14.

According to the slide stopper device 10 thus constructed, when the slide stopper rod 13 is moved to the left in FIG. 3 by the rotation operation of the slide stopper operating member 11, the slide stopper member 14 causes the support pin 15 to move. It rotates in the clockwise direction in the figure around the center, whereby the tip corner portion 14a of the slide stopper member 14 presses the slide shaft 3 to prevent the slide shaft 3 from moving in the axial direction, and thus the cutting machine body 4 slides. Is blocked.

On the other hand, when the slide stopper operating member 11 is rotated in the opposite direction, the screw member 12 is moved to the front wall portion 2.
The slide stopper member 13 is moved in the direction of coming out of C (rightward in the figure), whereby the pressing of the slide stopper member 14 by the slide stopper rod 13 is released, and accordingly, the movement of the slide shaft 3 in the axial direction is allowed and the cutting machine body 4 is slid in the slide direction. Can be moved to.

Next, a threaded portion 22a is formed on the other end of the rotation stopper rod 22, and the threaded portion 22a is formed.
a is screwed into the nut portion 23a of the bracket 23 attached to the lower surface of the table 2 via the rib 2b. Further, a stopper member 25 for a rotation stopper is provided on the bracket 23 via a support pin 24 so as to be capable of swinging to the left and right in the figure, and the screw portion 22a of the rotation stopper rod 22 has a screw portion 22a. Support pin 2
It is abutted against the end above 4. On the other hand, the end of the rotation stopper member 25 below the support pin 24 is
It enters into the inside of a stopper groove 7b formed on the upper surface of the base 7 and having an arc shape (not shown) centered on the rotation support portion 8. The support pin 24 is rotatably sandwiched between both side wall portions of the rib 2b and the bracket 23 to prevent the support pin 24 from falling off.

The rotation stopper device 2 configured as described above
According to No. 0, when the rotation stopper operating member 21 is rotationally operated, the rotation stopper rod 22 integrally rotates, so that the screw portion 22a formed at the tip portion of the rotation stopper rod 22 is attached to the bracket 2.
3 is screwed into the nut portion 23a of the rotation stopper member 2
Press the top of 5. Then, the rotation stopper member 25 swings counterclockwise in the drawing around the support pin 24, so that the lower end of the rotation stopper member 25 is pressed against the side wall of the stopper groove 7b, thereby preventing the table 2 from rotating with respect to the base 7. It When the rotation stopper operating member 21 is rotated in the opposite direction, the screw portion 22a moves in the direction of coming out of the nut 23a, so that the pushing operation of the rotation stopper rod 22 with respect to the rotation stopper member 25 is released, so that the lower end portion thereof is released. The pressing of the side wall of the stopper groove 7b is released, and the fixing by the rotation stopper device 20 is released.

As described above, according to the slide stopper device 10 of this embodiment, the front wall portion 2C of the table 2 is
That is, the part that is the front of the operator (front side of the operation)
Since the cutting machine body 4 can be fixed in the sliding direction by rotationally operating the slide stopper operation member 11 arranged at the position, the operator inserts his / her hand behind the cutting machine body 4 as in the conventional case. It is not necessary to manually rotate the operation knob, and therefore the operability is significantly improved.

In the case of the present embodiment, the slide stopper operating member 11 of the slide stopper device 10 is arranged coaxially with the rotation stopper operating member 21 of the rotation stopper device 20, and the slide stopper rod 13 is the rotation stopper rod 22. Since it is arranged coaxially with the slide stopper device 10 and the rotation stopper device 20, the slide stopper device 10 and the rotation stopper device 20 can be compactly assembled in a narrow space between the table 2 and the base 7 as illustrated.

Reference numeral 30 in the drawing denotes a table lock device for positioning the table 2 in the rotation direction. The table lock device 30 does not need to be changed in particular for carrying out the present invention, but briefly described below, the table lock device 30 is attached to the front wall portion 2C of the table 2 and the base of the protruding portion 2B. A lock pin 33, which is supported by the pin holder 31 in a spanning manner and is arranged parallel to the slide stopper rod 13 and movably within a certain range in the axial direction, is mainly configured. Since the compression spring 32 is interposed between the lock pin 33 and the front wall portion 2C, the lock pin 33 is biased toward the base 7 side (left side in FIG. 2). The lock pin 33 projects from the front wall portion 2C to the operator side (right side in the drawing) and is bent into a substantially L shape to form a bent portion 33a.

On the other hand, the tip of the lock pin 33 has a base 7
To the lock holes 7c to 7c formed at the corners of the upper surface. Although not shown, the lock hole 7
c to 7c are formed at a plurality of positions at appropriate intervals in the circumferential direction on the circumference centered on the rotation support portion 8, and the upper side of each lock hole 7c is for displaying the rotation position of the table 2. Is closed by the scale plate 7d.

According to the table lock device 30 having such a structure, the lock pin 33 is formed by hooking a finger on the bent portion 33a of the lock pin 33 as an operating member.
Is pulled to the right in the drawing against the compression spring 32, the tip end thereof is pulled out from the lock hole 7c of the base 7, and the rotation lock of the table 2 is released. When the pulling operation is released after the table 2 is rotated to the predetermined position, the lock pin 33 is held by the compression spring 32 with its tip inserted into the lock hole 7c, so that the table 2 is locked at the predetermined rotation position. To be done.

The table lock device 30 has a function of positioning the table 2 at a plurality of positions in the rotation direction, whereas the rotation stopper device 20 has a function of fixing the table 2 at any position in the rotation direction. Thus, according to the table lock device 30, the table 2 can be quickly positioned at the rotational position set in advance in stages.

Further, by disposing the bent portion 33a on the operator side of the front wall portion 2C as described above, the slide stopper operating member 1 of the slide stopper device 10 is provided.
1 and rotation stopper operation member 2 of the rotation stopper device 20
In addition to 1, all the operation members 11, 21, 33a of the three types of stopper devices 10, 20, 30 are arranged intensively on the operation front face portion, which allows the operator to keep the posture as it is. It is also possible to operate the other operating members while gripping any one of the operating members, and in this respect, the operability of the stopper device in this type of cutting machine is significantly improved.

The embodiment described above has been described by exemplifying the slide circle saw as the cutting machine, particularly the slide circle saw of the type in which the slide shafts 3 and 3 are supported on the lower surface side of the table 2, but it is provided at the rear portion of the table. Even with a cutting machine of a type in which a slide mechanism is provided between the tilt support portion and the cutting machine body, the slide stopper operating member 11 is provided.
Can be similarly applied by appropriately arranging on the other operation front surface portion which is the front surface side for the operator.

Further, the slide stopper member 14 is not limited to the illustrated structure, and is supported, for example, so as to be movable in the radial direction of the slide shaft 3, and is supported by the slide stopper member 14 and the tip portion of the slide stopper rod. It is also possible to form inclined surfaces respectively and press the stopper member against the slide shaft 3 by the sliding contact action of both inclined surfaces accompanying the movement of the slide stopper rod in the axial direction. It is possible to

[Brief description of the drawings]

FIG. 1 is an overall side view of a slide circular saw to which a slide stopper device according to an embodiment of the present invention is applied.

FIG. 2 is a vertical cross-sectional view of a base and a table of the slide circular saw, which is a vertical cross-sectional view of a slide stopper device and a rotation stopper device.

FIG. 3 is a bottom view of the table, showing a part of the slide stopper device and the rotation stopper device in a cross section.

FIG. 4 is a sectional view taken along the line IV-IV of FIG. 3, showing a positional relationship between a slide stopper member and a slide shaft.

[Explanation of symbols]

 1 ... Slide Marunoco (cutting machine) 2 ... Table 2C ... Front wall part (operation front part) 3 ... Slide shaft (slide member) 4 ... Cutting machine body 7 ... Base 8 ... Rotation support part 10 ... Slide stopper device 11 ... Slide Stopper operation member 13 ... Slide stopper rod 14 ... Slide stopper member 20 ... Rotation stopper device 21 ... Rotation stopper operation member 22 ... Rotation stopper rod 25 ... Rotation stopper member 30 ... Table lock device 33 ... Lock pin

Claims (4)

[Claims] 1. A stopper device for preventing movement of the cutting machine body in a sliding direction in a cutting machine of a type in which the cutting machine body is slidably supported with respect to a table on which a material to be cut is placed. A slide stopper member is provided on the table so as to be able to press against a slide support member for slidably supporting the cutting machine body, while a slide stopper operation member is provided on the operation front face portion of the table. A cutting machine is provided which is configured to press the slide stopper member against the slide member by operating the slide stopper operating member to prevent the cutting machine body from moving in the sliding direction with respect to the table. Stopper device. 2. The stopper device according to claim 1, wherein
A slide stopper rod is movably provided on the table in accordance with the rotation operation of the slide stopper operation member, and the slide stopper member is rotatable and can be brought into contact with and separated from the slide support member in accordance with the rotation operation. A stopper device for a cutting machine, characterized in that the slide stopper member is rotated by the movement of a rod and pressed against a slide support member. 3. A cutting machine of a type in which a table on which a material to be cut is placed is rotatably supported with respect to a base, and a cutting machine body is slidably supported with respect to the table. A rotation stopper operating member is provided on the operation front face of the table, and the rotation stopper member is pushed in the sliding direction by the rotation operation of the rotation stopper operating member to press the rotation stopper member against the base to rotate the table. A stopper device in which a stopper device according to claim 2 is applied to a cutting machine configured to prevent the slide stopper operating member from being rotatable coaxially and independently of the rotation stopper operating member. In addition to the above, one of the slide stopper rod and the rotation stopper rod is formed into a sleeve shape, and the other is inserted into the inner peripheral side of the sleeve stopper rod. Independently cutter stopper device being characterized in that movable in the sliding direction. 4. A cutting machine of a type in which a table on which a material to be cut is placed is rotatably supported with respect to a base, and a cutting machine main body is slidably supported with respect to the table, An operation member of a stopper device for preventing movement of the cutting machine body in a sliding direction on an operation front surface portion of the table; an operation member of a rotation stopper device for fixing rotation of the table at an arbitrary position; A stopper device for a cutting machine, characterized in that an operating member of a table lock device for fixing the rotation of a table to a position set in advance in a concentrated manner is arranged.