JP6969603B2 - Portable cutting machine - Google Patents

Description

The present invention relates to a portable cutting machine characterized in the treatment of chips generated during cutting.

As this type of portable cutting machine, a normal circular saw that discharges chips generated during cutting to the rear and a dust collecting circular saw that collects chips generated during cutting with a dust box or the like are known. The mainstream of circular saws that discharge chips backwards is to guide the chips diagonally backward so that the chips do not accumulate in the direction of the worker or the material to be cut. However, in such a configuration, it is necessary to forcibly change the direction of chip discharge by bending the chip discharge path, so that the momentum of chip discharge may decrease or the chips may be discharged. There was a problem that static electricity was generated due to friction between the surface and the discharge path, and chips were clogged in the discharge path.

Regarding such a problem, Patent Document 1 discloses a portable circular saw having a chip discharge path changing means for switching between discharging chips into a saw cover and discharging chips into a chip discharge flow path. There is. In the invention described in Patent Document 1, by providing the chip discharge path changing means, the chip discharge path can be arbitrarily selected according to the cutting work situation and the like, and the chips flow out into the chip discharge path. When this is suppressed, the chips pass through the saw cover as a discharge flow path and are discharged from the rear in the cutting direction, and the chips may be clogged in the chip discharge path in the dust cover depending on the cutting work condition. It is said that it is possible to prevent the workability from being lowered.

Japanese Patent No. 4715640

However, in the invention described in Patent Document 1 described above, since the chip discharge path is surrounded by the top, bottom, left, and right, the chip discharge path is easily clogged with chips. Moreover, the shape is difficult to clear the clogging of chips, and there is a problem that maintainability is poor. Further, when the chips are induced in the saw cover, the chips fall near the rotation axis of the saw blade, which may cause a sliding defect such as a lower guard covering the saw blade.

Therefore, it is an object of the present invention to provide a portable cutting machine having excellent maintainability while preventing chip clogging in the discharge path.

The present invention has been made to solve the above-mentioned problems, and is characterized by the following.

Invention of claim 1, wherein, the motor and a saw blade for cutting the rotating workpiece by said motor, and a housing having a saw cover that covers the saw blade, the saw blade of the saw cover A chip discharge path is formed on the inside facing the saw blade to guide the chips generated when the saw blade cuts the material to be cut along the outer periphery of the saw blade, and at the outlet of the chip discharge path. An attachment member that can be arranged on an extension of a certain chip discharge port is provided, and by attaching the attachment member to the surface of the saw cover, it is possible to switch the chip discharge direction outside the chip discharge path, and the attachment. The member is characterized in that it can be fixed to at least a mounting position on an extension line of the chip discharge port and a storage position not on the extension line of the chip discharge port.

The invention according to claim 2 has, in addition to the feature of the invention according to claim 1, the discharge direction of chips discharged from the chip discharge port when the attachment member is arranged at the mounting position. Is formed so as to be changed by the attachment member, and when the attachment member is arranged at the accommodation position , the discharge direction of the chips discharged from the chip discharge port is formed so as not to be changed by the attachment member. It is characterized by being.

The invention according to claim 3 has a grip arranged substantially parallel to the cutting direction of the saw blade , in addition to the feature points of the invention according to claim 1 or 2, and the accommodation position is set. It is characterized in that it is provided on the grip side of the chip discharge port.

The invention according to claim 4 has the feature point of the invention according to any one of claims 1 to 3 described above, and the attachment member is not separated from the portable cutting machine but is not separated from the mounting position. It is characterized in that it can be moved to and from the accommodation position.

The invention according to claim 5 is provided with a dust box for collecting chips in addition to the feature of the invention according to any one of claims 1 to 4, wherein the dust box is used in place of the attachment member. It is characterized in that it can be mounted near the chip discharge port.

The invention according to claim 1 is as described above, wherein an attachment member that can be arranged near the chip discharge port, which is the exit of the chip discharge path, is provided, and the chip discharge direction can be switched by the attachment member. .. According to such a configuration, the discharge direction of chips can be switched depending on the environment in which the portable cutting machine is used. For example, when the portable cutting machine is used in a direction in which chips are easily clogged, it is possible to prevent chip clogging by keeping the direction in which the chips are discharged as little as possible by the attachment member. Further, when it is desired to prevent the chips from falling on the portable cutting machine or the material to be cut as much as possible, it is possible to prevent the chips from falling by changing the discharge direction of the chips by the attachment member.
Further, the attachment member can be fixed to at least a mounting position on an extension line of the chip discharge port and a storage position not on the extension line of the chip discharge port. According to such a configuration, the attachment member can be arranged at the accommodation position even when the attachment member is not used. Therefore, since the unused attachment member can be attached to the portable cutting machine, it is possible to prevent the attachment member from being lost. Further, when the attachment member is used, the attachment member in the accommodation position can be moved and used, so that the workability is good.

Further, the invention according to claim 2 is as described above, and when the attachment member is arranged at the mounting position , the attachment member is formed so that the discharge direction of the chips discharged from the chip discharge port is changed by the attachment member. When the attachment member is arranged at the accommodation position, the attachment member is formed so that the discharge direction of the chips discharged from the chip discharge port does not change depending on the attachment member. According to such a configuration, when the attachment member is arranged at the mounting position , the chip discharge direction can be changed by the attachment member. Therefore, it is possible to guide the operator and the material to be cut so that chips do not accumulate. On the other hand, when the attachment member is arranged at the accommodation position , the chips are directly discharged from the chip discharge port, so that the chip discharge direction does not change depending on the attachment member. Therefore, the attachment member does not reduce the momentum of discharge, and it is possible to prevent the accumulation of chips.

Further, the invention according to claim 4 is as described above, and the attachment member can move between the mounting position and the accommodating position without being separated from the portable cutting machine. According to such a configuration, since the attachment member is not separated from the portable cutting machine when it is moved, it is possible to prevent the attachment member from falling or being lost.

Further, the invention according to claim 5 is as described above, the dust box for collecting chips is provided, and the dust box can be mounted in the vicinity of the chip discharge port instead of the attachment member. That is, when used without a dust box attached, it can be used as a normal circular saw without a dust collecting function, and when used with a dust box attached, it can be used as a dust collecting circular saw. With such a configuration, it is possible to combine the functions of both a normal circular saw and a dust collecting circular saw, which were conventionally separate products, into one product. At this time, since the dust box is arranged near the chip discharge port with the attachment member removed, the position of the chip introduction port connected to the chip discharge port is arranged in front of the cutting direction by the amount of the attachment member. can do. Therefore, the capacity of the dust box can be increased as much as possible while keeping the total length of the machine as small as possible.

It is a figure which concerns on 1st Embodiment, and is the external view of the portable cutting machine in the state which the attachment member is arranged at the mounting position. It is a figure which concerns on the 1st Embodiment, and is the top view of the portable cutting machine in the state which the attachment member is arranged at the mounting position. It is a figure which concerns on 1st Embodiment, and is sectional drawing of the portable cutting machine in the state which the attachment member is arranged at the mounting position. It is a figure which concerns on the 1st Embodiment, and is the external view of the portable cutting machine which is moving an attachment member. It is a figure which concerns on the 1st Embodiment, and is the external view of the portable cutting machine in the state which the attachment member is arranged in the accommodation position. It is a figure which concerns on the 1st Embodiment, and is the external view of the portable cutting machine in the state which attached the dust box. It is a figure which concerns on the 1st Embodiment, and is the top view of the portable cutting machine in the state which attached the dust box. It is a figure which concerns on 1st Embodiment, and is sectional drawing of the portable cutting machine in the state which attached the dust box. It is a figure which concerns on the 2nd Embodiment, and is the external view of the portable cutting machine in the state which the attachment member is arranged in the accommodation position. It is a figure which concerns on the 2nd Embodiment, and is the external view which looked at the portable cutting machine which is moving an attachment member from the front. It is a figure which concerns on the 2nd Embodiment, and is the external view of the portable cutting machine in the state which the attachment member is arranged in the accommodation position, as seen from the front. It is a figure which concerns on the 3rd Embodiment, and is the external view of the portable cutting machine in the state which the attachment member is arranged at the mounting position. It is a figure which concerns on the 3rd Embodiment, and is the external view of the portable cutting machine which is moving an attachment member. It is a figure which concerns on the 3rd Embodiment, and is the external view of the portable cutting machine in the state which the attachment member is arranged in the accommodation position. It is a figure which concerns on the 3rd Embodiment, and is sectional drawing of the portable cutting machine in the state which the attachment member is arranged in the accommodation position.

(First Embodiment)
The first embodiment of the present invention will be described with reference to FIGS. 1 to 8.

As shown in FIGS. 1 to 3, the portable cutting machine 10 according to the present embodiment includes a cutting machine main body 15 that rotatably supports the saw blade 17 and a base 11 attached to the lower part of the cutting machine main body 15. , Equipped with.

The base 11 is a metal plate-shaped member that comes into contact with the material to be cut, and by exposing a part of the saw blade 17 from the opening 11a formed through the base 11, the material to be cut is cut below the base 11. It is formed so that it can be done.

The cutting machine main body 15 is entirely covered with a housing 20. The housing 20 according to the present embodiment is formed by combining a plurality of members, and includes a main cover 21, a motor housing 30, and a saw cover 31.

The main cover 21 is a cover that incorporates a gear mechanism, a control board, and the like. The motor housing 30 is fixed to the main cover 21 on the left side when viewed in the cutting direction of the saw blade 17, and the saw cover 31 is fixed on the right side. The main cover 21 includes a grip portion 22, a gear cover portion 23, and a battery mounting portion 28.

The grip portion 22 is provided above the gear cover portion 23 for the operator to grip, and is formed in a rod shape substantially parallel to the cutting direction of the saw blade 17. Inside the grip portion 22, a trigger 18 for executing a cutting operation is operably provided. The trigger 18 is arranged at a position where the index finger rests when the operator grips the grip portion 22, and when the operator pulls the trigger 18, the motor described later rotates and the saw blade 17 Is designed to rotate.

The gear cover portion 23 is a portion for accommodating a gear operated by a motor, and is provided closer to the saw cover 31 than the grip portion 22 in a plan view as shown in FIG. 2 and the like. In the present embodiment, the attachment member 35, which will be described later, can be arranged on the upper surface of the gear cover portion 23. The gear cover portion 23 is provided with a slide groove 23a for guiding the sliding of the attachment member 35 and an attachment accommodating portion 24 for accommodating the attachment member 35. The attachment accommodating portion 24 according to the present embodiment is provided between the grip portion 22 and the saw cover 31 in a plan view, and is recessed in the surface of the housing 20.

The battery mounting portion 28 is provided behind the grip portion 22. The battery mounting portion 28 has a battery 19 that can be attached to and detached from the lower surface thereof. The battery 19 has a built-in secondary battery and is used as a drive source for a motor or a control device.

The motor housing 30 is a portion containing a motor (not shown). As shown in FIG. 2 and the like, the motor housing 30 is provided so as to project from the saw blade 17 on the opposite side of the grip portion 22. When the motor built in the motor housing 30 rotates, the rotational force of the motor is transmitted to the rotating shaft 17a of the saw blade 17 via a gear. In this way, the saw blade 17 is rotated by the motor, and the material to be cut can be cut.

The saw cover 31 covers the upper part of the saw blade 17 together with the main cover 21. In the present embodiment, the attachment member 35, which will be described later, can also be arranged on the upper portion of the saw cover 31. The saw cover 31 is provided with a sliding groove 31a for guiding the sliding of the attachment member 35. The sliding groove 31a is formed so as to be continuous with the slide groove 23a of the gear cover portion 23, whereby the attachment member 35 is slidable on the saw cover 31 and the gear cover portion 23.

A chip discharge path 20a for guiding chips generated when the saw blade 17 cuts the material to be cut is formed inside the housing 20. Specifically, as shown in FIG. 3, a gap through which chips can pass is provided between the housing 20 (saw cover 31 and the main cover 21) and the saw blade 17, and the chips are discharged through this gap. The path 20a is formed. The chip discharge path 20a is provided on the front side of the saw blade 17 in the cutting direction, and is formed along the outer periphery of the saw blade 17. Therefore, when the saw blade 17 rotates to cut the material to be cut, the generated chips are wound up by the saw blade 17 and are vigorously guided to the chip discharge path 20a. .. The chip discharge path 20a does not have a wall on the saw blade 17 side (there is no wall between the wall on the outer peripheral side of the chip discharge path 20a and the saw blade 17). , The saw blade 17 side is open. Therefore, the structure is such that chip clogging is unlikely to occur.

The chip discharge port 20b, which is the outlet of the chip discharge path 20a, is open above the saw blade 17. Further, the chip discharge port 20b is open in front of the rotation shaft 17a of the saw blade 17. By opening the chip discharge port 20b as far forward as possible, when the dust box 45 described later is attached, the chips can be guided to the dust box 45 by making maximum use of the chip discharge momentum, so that the dust collection effect is enhanced. be able to. Further, since the dust box 45 can be arranged closer to the front, the capacity of the dust box 45 can be increased while reducing the total length of the machine without projecting the dust box 45 to the rear.

In the present embodiment, the attachment member 35 can be arranged on the extension line of the chip discharge port 20b. The chip discharge direction can be switched depending on whether or not the attachment member 35 is arranged on the extension line of the chip discharge port 20b.

In the present embodiment, the attachment member 35 can be arranged on the extension line of the chip discharge port 20b, but the attachment member 35 is arranged at least in the vicinity of the chip discharge port 20b where the chip discharge direction can be changed. If possible. That is, the chip guide portion 36 of the attachment member 35 faces the chip discharge port 20b, and the chips discharged from the chip discharge port 20b are continuously guided to the chip guide portion 36. It suffices if it can be placed.

The attachment member 35 is a member movably attached to the surface of the housing 20, and includes a chip guide portion 36 that can be arranged so as to be continuous with the chip discharge port 20b as shown in FIGS. 1 and 3. ing. The chip guiding portion 36 includes an upper wall 36a, a lower wall 36b, and an inclined surface 36c, and is surrounded in three directions. In other words, the anti-grip portion 22 side (the right side when the grip portion 22 is gripped) has an open shape, and is formed so as to discharge chips to the outside from this open surface. The inclined surface 36c is provided so as to be inclined with respect to the cutting direction (front-back direction) of the saw blade 17, and is arranged so as to diagonally face the chip discharge port 20b. The inclined surface 36c is inclined toward the anti-grip portion 22 side (the right side when the grip portion 22 is gripped) toward the rear, whereby the chips discharged from the chip discharge port 20b are inclined to the inclined surface 36c. It is formed so as to be guided to the right rear along the line. By guiding the chips to the rear right in this way, the structure is such that the chips do not easily fall on the body of a right-handed worker. The tip of the chip guiding portion 36 (the tip of the inclined surface 36c) is arranged behind the rotation shaft 17a of the saw blade 17. By arranging the inclined surface 36c as far back as possible in this way, the chips are guided to the rear as much as possible, and the chips are prevented from falling on the operator or the material to be cut.

As shown in FIGS. 4 and 5, the attachment member 35 according to the present embodiment is slidable on the surface of the housing 20. A pair of sliding protrusions 38 protruding in the front-rear direction are formed in the lower portion of the attachment member 35, and the sliding protrusions 38 slide into the slide groove 23a of the gear cover portion 23 and the sliding groove 31a of the saw cover 31. By movably engaging, the sliding of the attachment member 35 is guided. As shown in FIG. 4, the attachment member 35 is slidable in parallel with the rotation shaft 17a of the saw blade 17. When the attachment member 35 is slid in the direction of the grip portion 22 and then moved downward, the attachment member 35 is fitted into and fixed to the attachment accommodating portion 24 of the gear cover portion 23 as shown in FIG. It has become. A knob 37 is formed so as to protrude from the upper surface of the attachment member 35. The knob 37 is for facilitating the pulling up of the attachment member 35 housed in the attachment accommodating portion 24, and is formed so that the operator can hold and operate the knob 37 by hand.

As described above, the attachment member 35 is fixed to the mounting position on the extension line of the chip discharge port 20b as shown in FIG. 1 and the accommodation position not on the extension line of the chip discharge port 20b as shown in FIG. It is possible. Therefore, the attachment member 35 is arranged at the mounting position when in use and in the accommodation position when not in use. Since the attachment member 35 is slidably attached, the mounting position and the accommodating position can be moved to each other without being separated from the portable cutting machine 10. With such a configuration, the attachment member 35 can be prevented from falling or being lost.

By the way, the portable cutting machine 10 according to the present embodiment can be used by attaching a dust box 45. That is, with the attachment member 35 fixed at the accommodation position, as shown in FIGS. 6 to 8, the dust box 45 can be mounted on the extension line of the chip discharge port 20b instead of the attachment member 35. The dust box 45 is a member mounted on the outside of the housing 20 for collecting chips. As shown in FIG. 8, the dust box 45 has a chip introduction port 45a arranged so as to be continuous with the chip discharge port 20b, a chip accommodating portion 45b which is a space for accommodating chips, and a cutting. A guide plate 45c for guiding the chips entering from the powder introduction port 45a to the depth of the chip accommodating portion 45b is provided. When the dust box 45 is attached and the portable cutting machine 10 is used, the chips that have passed through the chip discharge path 20a enter the inside of the dust box 45 from the chip introduction port 45a and are stored in the chip storage portion 45b. It has become. If the inside of the dust box 45 is sealed, the air pressure inside the dust box 45 may increase and a sufficient dust collecting effect may not be obtained. Therefore, the chip accommodating portion 45b may be provided with an air hole communicating with the outside. The air holes can be provided, for example, on the back side of the guide plate 45c. If an air hole is provided on the back side of the guide plate 45c, air can escape while preventing the chips in the chip accommodating portion 45b from spilling to the outside.

The accommodation position of the attachment member 35 is a position that does not interfere with the attachment of the dust box 45. That is, since the attachment accommodating portion 24 is provided on the grip portion 22 side of the chip discharge port 20b, the accommodating position of the attachment member 35 is on the grip portion 22 side of the dust box 45, and the chip discharge port 20b. Even when the dust box 45 is attached on the extension line of the above, the attachment member 35 is formed so as not to interfere with the dust box 45.

(Second embodiment)
A second embodiment of the present invention will be described with reference to FIGS. 9 to 11. Since the basic configuration of the present embodiment is not different from that of the first embodiment, only the differences will be described while avoiding duplicate descriptions.

The attachment member 35 according to the present embodiment has a structure different from that of the first embodiment and is formed so as to be movable with respect to the housing 20. That is, as shown in FIG. 9, the attachment member 35 according to the present embodiment slides in the direction of the grip portion 22 in parallel with the rotation shaft 17a of the saw blade 17 from the mounting position, and then moves forward in the cutting direction. It is slidable. That is, as shown in FIG. 10, the attachment accommodating portion 25 is provided in front of the attachment member 35 at the mounting position in the cutting direction. The attachment accommodating portion 25 is formed on the surface of the housing 20 so that the attachment member 35 can be locked. As shown in FIG. 11, by locking the attachment member 35 to the attachment accommodating portion 25, the attachment member 35 can be brought into the accommodating state.

Although not particularly shown, in the second embodiment as well, the dust box 45 can be mounted with the attachment member 35 arranged at the accommodation position, as in the first embodiment.

(Third embodiment)
A third embodiment of the present invention will be described with reference to FIGS. 12 to 15. Since the basic configuration of the present embodiment is not different from that of the first embodiment, only the differences will be described while avoiding duplicate descriptions.

The attachment member 35 according to the present embodiment has a structure different from that of the first embodiment and is formed so as to be movable with respect to the housing 20. That is, the attachment member 35 according to the present embodiment can move between the mounting position and the accommodating position by rotating with respect to the housing 20.

In the present embodiment, as shown in FIG. 15, the attachment member 35 is provided with a rotation shaft 39 protruding in the front-rear direction. Further, in the vicinity of the attachment accommodating portion 26 of the gear cover portion 23, a shaft support portion 26a that rotatably supports the rotating shaft 39 is provided.

The attachment member 35 rotates about a rotation shaft 39 as shown in FIG. 13 from a mounting position as shown in FIG. As shown in FIG. 14, the rotated attachment member 35 is housed in the attachment accommodating portion 26 and becomes an accommodating position.

Although not particularly shown, in the third embodiment as well, the dust box 45 can be mounted with the attachment member 35 arranged at the accommodation position, as in the first embodiment.

(summary)
As described above, in the present embodiment, the chip discharge direction can be switched depending on whether or not the attachment member 35 is arranged on the extension line of the chip discharge port 20b which is the outlet of the chip discharge path 20a. That is, when the attachment member 35 is not arranged on the extension line of the chip discharge port 20b, the chips are directly discharged from the chip discharge port 20b, so that the chip discharge direction does not change depending on the attachment member 35. .. Therefore, the attachment member 35 does not reduce the momentum of discharge, and the accumulation of chips is unlikely to occur. On the other hand, when the attachment member 35 is arranged on the extension line of the chip discharge port 20b, the chip discharge direction can be changed by the attachment member 35. Therefore, it is possible to guide the operator and the material to be cut so that chips do not accumulate. According to such a configuration, the discharge direction of chips can be switched depending on the environment in which the portable cutting machine 10 is used. For example, when the portable cutting machine 10 is used in a direction in which chips are easily clogged, the attachment member 35 is not arranged on the extension line of the chip discharge port 20b to prevent chip clogging. be able to. Further, when it is desired to prevent chips from falling on the portable cutting machine 10 or the material to be cut as much as possible, the attachment member 35 is arranged on the extension line of the chip discharge port 20b to prevent the chips from falling. be able to.

Further, the attachment member 35 can be fixed to at least a mounting position on the extension line of the chip discharge port 20b and a storage position not on the extension line of the chip discharge port 20b. According to such a configuration, the attachment member 35 can be arranged at the accommodation position even when the attachment member 35 is not used. Therefore, since the unused attachment member 35 can be attached to the portable cutting machine 10, it is possible to prevent the attachment member 35 from being lost. Further, when the attachment member 35 is used, the attachment member 35 in the accommodation position can be moved and used, so that the workability is good.

Further, the attachment member 35 can move between the mounting position and the accommodating position without being separated from the portable cutting machine 10. According to such a configuration, since the attachment member 35 is not separated from the portable cutting machine 10 when it is moved, it is possible to prevent the attachment member 35 from falling or being lost.

Further, a dust box 45 for collecting chips is provided, and the dust box 45 can be mounted on an extension line of the chip discharge port 20b instead of the attachment member 35. That is, when the dust box 45 is used without being attached, it can be used as a normal circular saw without a dust collecting function, and when the dust box 45 is attached and used, it can be used as a dust collecting circular saw. With such a configuration, it is possible to combine the functions of both a normal circular saw and a dust collecting circular saw, which were conventionally separate products, into one product. At this time, since the dust box 45 is arranged on the extension line of the chip discharge port 20b with the attachment member 35 removed, the position of the chip introduction port 45a connected to the chip discharge port 20b is set on the attachment member 35. It can be placed in front of the cutting direction by the amount. Therefore, the capacity of the dust box 45 can be increased as much as possible while keeping the total length of the machine as small as possible.

In the above-described embodiment, the attachment member 35 is movable between the mounting position and the accommodating position without being separated from the portable cutting machine 10, but the attachment member 35 is not limited to this and is portable. It may be removable from the cutting machine 10. Further, the removed attachment member 35 may be attached to the accommodation position.

The attachment member 35 is rotatably configured with the attachment member 35 arranged in the vicinity of the chip discharge port 20b, and the chip discharge direction is set to the extension direction of the chip discharge port 20b or the chip discharge port. The mechanism may be switchable in a direction different from the extension direction of 20b.

10 Portable cutting machine 11 Base 11a Opening 15 Cutting machine body 17 Saw blade 17a Rotating shaft 18 Trigger 19 Battery 20 Housing 20a Chip discharge path 20b Chip discharge port 21 Main cover 22 Grip part 23 Gear cover part 23a Slide groove 24 Attachment housing (first embodiment)
25 Attachment housing (second embodiment)
26 Attachment housing (third embodiment)
26a Shaft support 28 Battery mounting part 30 Motor housing 31 Saw cover 31a Sliding groove 35 Attachment member 36 Chip guide part 36a Upper wall 36b Lower wall 36c Inclined surface 37 Picking 38 Sliding protrusion 39 Rotating shaft 45 Dust box 45a Chip introduction Mouth 45b Chip accommodating part 45c Guide plate

Claims (5)

With the motor
A saw blade that is rotated by the motor to cut the material to be cut,
A housing with a saw cover that covers the saw blade,
Equipped with
A chip discharge path is formed inside the saw cover facing the saw blade to guide chips generated when the saw blade cuts the material to be cut along the outer circumference of the saw blade.
An attachment member that can be arranged on an extension of the chip discharge port, which is the outlet of the chip discharge path, is provided, and by attaching the attachment member to the surface of the saw cover, chips are discharged outside the chip discharge path. The direction can be switched ,
The attachment member is a portable cutting machine, characterized in that it can be fixed to at least a mounting position on an extension line of the chip discharge port and a storage position not on an extension line of the chip discharge port. When the attachment member is arranged at the mounting position , the attachment member is formed so that the discharge direction of the chips discharged from the chip discharge port is changed by the attachment member.
The first aspect of the present invention, wherein when the attachment member is arranged at the accommodation position , the attachment member is formed so that the discharge direction of the chips discharged from the chip discharge port is not changed by the attachment member. Portable cutting machine. It has a grip that is arranged substantially parallel to the cutting direction of the saw blade.
The portable cutting machine according to claim 1 or 2, wherein the accommodation position is provided on the grip side of the chip discharge port. The portable according to any one of claims 1 to 3, wherein the attachment member can move between the mounting position and the accommodating position without being separated from the portable cutting machine. For cutting machine. The invention according to any one of claims 1 to 4, further comprising a dust box for collecting chips, wherein the dust box can be mounted in the vicinity of the chip discharge port instead of the attachment member. Portable cutting machine.

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