JP2009179050A - Bench cutter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To have a compact bench cutter having a dust collection box easy to handle by arranging a collection means of cutting scrap, etc. in a machine base. <P>SOLUTION: The bench cutter is equipped with a base member comprising a base 1 able of loading cutting objects, a turntable 3, etc., a circular saw member 101 having a circular saw blade to cut the cutting objects, and a holder member comprising a holder to rockingly support and set up the circular saw member on the base; wherein a dust collection box 5 to accommodate cutting scrap generated while cutting is arranged inside the base 1 and a cutting scrap guide 101G is equipped for connecting the circular saw member 101 with the dust collection box 5. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a tabletop cutting machine having a dust collection box.

  FIG. 10 shows the structure of a conventional tabletop cutting machine.

  In a conventional tabletop cutting machine, a dust collection box (not shown) is installed in a place away from the dust bag 17 and the main body for collecting chips generated when cutting wood or the like. In this way, the chips were collected by the dust bag 17 or the dust collection box.

  In the above-described conventional tabletop cutting machine, there is a case where the amount of cutting waste collected is insufficient with the dust back. In addition, the dust bag comes out from the tabletop cutting machine main body backward and upward from the tabletop cutting machine. When a dust collection box is installed at a location away from the product body, it has the disadvantage that it must be carried separately from the body during transportation.

  The object of the present invention is to solve the above-mentioned conventional drawbacks, increase the amount of chips collected, and to remove a tabletop cutting machine that does not come out behind or above the tabletop cutting machine by a dust collector. Is to provide. Another object of the present invention is to provide a tabletop cutting machine with a dust collection box that is integrated with the tabletop cutting machine and is convenient for transportation.

  Tabletop cutting having a base portion on which a work material can be placed, a circular saw portion having a circular saw blade for cutting the work material, and a holder portion that supports the circular saw portion in a swingable manner and stands from the base A table, wherein a dust collection box capable of accommodating chips generated during cutting is provided in the base, and a chip guide for connecting the circular saw portion and the dust collection box is provided. The above object can be achieved by a cutting machine.

ADVANTAGE OF THE INVENTION According to this invention, the collection amount of a chip can be increased and it can suppress that it comes out back and upwards of a tabletop cutting machine with a dust collector. In addition, it is possible to provide a tabletop cutting machine with a dust collection box that is integrated with the tabletop cutting machine and is convenient for transportation.

  A first embodiment of the present invention will be described with reference to FIGS.

  FIG. 1 is a front view of a tabletop cutting machine according to the present invention. FIG. 2 is an enlarged view of part A of FIG. 1 of the tabletop cutting machine according to the present invention. FIG. 3 is an enlarged view of part A showing a state in which the dust collection box of FIG. 2 of the tabletop cutting machine according to the present invention is removed. FIG. 4 is a plan view of a tabletop cutting machine according to the present invention. 5 is a cross-sectional view taken along the line BB of FIG. 4 of the tabletop cutting machine according to the present invention. FIG. 6 is a right side view of the tabletop cutting machine according to the present invention. 7 is a cross-sectional view taken along the line CC of FIG. 4 of the tabletop cutting machine according to the present invention. FIG. 8 is a detailed view of the cutting waste compression operation of the tabletop cutting machine according to the present invention.

  In FIG. 1, the tabletop cutting machine has a base part, a holder part 100 and a circular saw part 101.

  The holder part 100 is connected to the base part described below, and is supported by the base part so as to be swingable in the axial direction of the circular saw blade shaft 101A1. As the holder portion, a holder 100A, an inclined shaft 100A1, an inclined fixing member 100B, a bar 100C, and a sliding member 100D are provided.

  By the tilt shaft 100A1, the holder portion can swing in the axial direction of the circular saw blade shaft 101A1 with the tilt shaft 100A1 as the center of swing. By this swinging, the holder portion can be inclined with respect to the base portion with respect to the direction of the circular saw blade shaft 101A1. The inclination is regulated by the inclination fixing member 100B. When the tilt fixing member 100B is operated, the contact member provided on the tilt fixing member 100B presses the base portion against the holder portion, and thereby the holder portion swings with respect to the base portion in an inclined state. It becomes impossible.

  The holder 100A is provided with two bars 100C and extends in a direction substantially orthogonal to the holder 100A and substantially parallel to the upper surface of the base portion. One end of the bar 100C is connected to and held by the holder 100A, but the other end is connected to the abutting member 100C1, and the abutting member 100C is provided so as to connect the two bars 100C. A sliding member 100D inserted through the two bars 100C is provided, and the sliding member 100D is slidable with respect to the bar 100C. With this configuration, the sliding member 100D is configured to be able to change the relative position with respect to the base portion.

The circular saw part 101 is connected to a sliding member 100D that is a part of the holder part. The connection is made through a swing shaft 100E, and the circular saw portion 101 is supported by the slide member 100D so as to be swingable. The circular saw 101 includes a circular saw blade 101A that is rotated by a motor (not shown), a circular saw blade shaft 101A1 that rotatably supports the circular saw blade 101A, a circular saw cover 101B that covers a substantially upper portion of the circular saw blade, A safety cover 101C that covers substantially the lower part of the circular saw blade 101A, a handle 101D provided at the upper front of the circular saw part used for cutting, and a sub handle 101E provided at the upper part of the circular saw part used for carrying The duct 101F collects the chips generated when cutting the workpiece (not shown), and the chip guide member 101G capable of guiding the chips to the duct 101F. As described above, the circular saw portion 101 can swing with respect to the sliding portion 100D, and since the circular saw portion 101 is connected to the sliding member 100D, the circular saw portion is connected to the base portion. On the other hand, the relative position can be changed.
As a base portion, a base 1, a turntable 3, and a fence 4 standing on the base 1 are provided. A turntable 3 is fitted to the base 1, and the turntable 3 is held by the base 1 and is rotatable in the horizontal direction. The upper surface of the turntable 3 is flush with the upper surface of the base 1. Yes. The rotation of the turntable 3 can be restricted by the knob 3A.

  As shown in FIG. 1, a dust collection box 5 is provided on the side of the base 1. As shown in FIG. 2, a dust collection box 5 can enter a cavity 6 provided in the base 1. The dust collection box 5 is connected to the duct 101F by a hose 101G which is a chip guide member, and the chips can be moved from the duct to the dust collection box 5.

  FIG. 2 shows an enlarged view of the vicinity of part A in FIG. In addition, the hose 101G shown in FIG. 1 is in a removed state. The hose 101G can be connected to the hose insertion hole 2. The dust collection box 5 is provided so as to extend from the side surface of the base 1 in substantially the same direction as the circular saw blade shaft 101A1, and can be taken out from the base 1 by being pulled out in substantially the same direction as the circular saw blade shaft 101A1. . FIG. 3 shows a state in which the dust collection box 5 is pulled out and removed from the base 1. The dust collection box 5 is housed inside the base using a space not used inside the base 1. A recess 5A as shown in FIGS. 2 and 6 is provided on the side surface of the dust collection box 5, so that an operator can put a finger or the like into the 5A and pull it out in the direction of the circular saw blade 101A1. ing. The base 1 is provided with ribs 7 and serves as a guide member for pulling out in the same direction as the circular saw blade shaft 101A1 of the dust collection box 5. Further, the dust collection box 5 can be restricted from being drawn out with respect to the base. The bolt 9 is inserted into the base 1 and can come into contact with the dust collection box 5. Therefore, when the bolt 9 is rotated with respect to the base, the bolt 9 can advance and retreat in the direction of the bar 100C with respect to the base 1, and when the bolt 9 comes into contact with the dust collection box 5, the bolt 9 The pulling out of the dust collection box 5 is regulated by the friction of the contact surface of the dust collection box 5. A compression member operating member 13 having a compression member 12 and a shaft portion 13 </ b> A connected to the compression member 12 is further provided on the upper portion of the dust collection box 5. The compression member operation member 13 is provided on the side surface of the dust collection box 5. Here, the compression member 12 is configured to extend in the direction of the circular saw blade shaft 101A1. When the compression member operation member 13 is rotated and operated, the compression member 12 rotates about the shaft portion 13A of the compression member operation member 13 as the rotation center. By this rotation, the volume of chips generated when cutting the cutting material in the dust collection box 5 can be compressed in the dust collection box 5. In this case, the chips contain air and the like in a state where they are not compressed, but the volume can be compressed by expelling the air and the like. A compression member rotation restricting member 14 that can restrict the rotation of the compression member 12 is provided on the upper side surface of the dust collection box 5. The compression member rotation restricting member 14 is provided so as to come into contact with the compression member 12 when the compression member 12 is not rotating as shown in FIG. 2, and moves in the axial direction of the circular saw blade shaft 101A1. It is provided as possible. If the compression member 12 is provided so as to be rotatable when it is not compressed, it may turn unexpectedly, which may hinder the work. For this reason, when the chips are not compressed, the compression member rotation restricting member 14 is moved in the axial direction of the circular saw blade shaft 101A1, and is brought into contact with the compression member 12 so that the compression member 12 and the dust collection box 5 are in contact with each other. The rotation of the compression member 12 can be restricted by the friction of the surface.

  FIG. 4 is a plan view showing the main part of the tabletop cutting machine.

  An exhaust port 11 is provided on the upper side surface of the dust collection box 5 so that air that has moved as the chips move from the duct 101F can be exhausted. The exhaust port 11 is provided with a filter (not shown) so that chips do not come out from the exhaust port. FIG. 6, which is a right side view of the tabletop cutting machine, also shows an exhaust port 11. The exhaust port 11 is configured to communicate with a hole provided in a part of the base 1. Air can be discharged from the dust box 5.

  FIG. 5 shows a state in which the chips 16 are contained in the dust collection box 5. The chips 16 accumulate from below the dust collection box 5 due to gravity. 7 is a cross-sectional view showing a state in which the chips of FIG. 6 are contained.

  The operation | movement at the time of compression of a chip is demonstrated using FIG. As shown in FIG. 8A, when the chip 16 is almost filled in the dust collection box 5, the compression member 12 is rotated about the shaft 13A by rotating the compression member operation member 13. Can be made. When it rotates, the air in the chip 16 is expelled, and its volume is reduced. As shown in FIG. 8B, after compressing the volume of the chips 16, the compression member can be returned to the original position by rotating the shaft. By operating the compression member rotation restricting member 14 at that position, the compression member 12 can be made unrotatable.

  FIG. 9 shows a second embodiment. A fan 17 is provided on the side opposite to the dust collection box 5. Further, a cord 18 capable of supplying electricity to the fan 17 is provided. The fan 17 makes it possible to move more chips than the duct 101F to the hose 101G, so that dust collection efficiency can be further increased. The electricity to the cord 18 is supplied by a power source that supplies electricity to a motor (not shown) that drives the circular saw blade.

  In the present invention, the duct 101F of the circular saw part and the dust collection box 5 that can store the chips provided in the base 1 are provided, and the chip guide that connects the circular saw part and the dust collection box 5 is provided. Since a certain hose is provided, it is possible to suppress the dust from being discharged to the upper part and the rear part of the circular saw part like a dust collection bag which is a member for collecting chips inside during dust collection. Further, since it is not provided separately from the tabletop cutting machine as in the conventional dust collection bag, there is less trouble in carrying a member for collecting chips inside during dust collection. In addition, since the space where the base 1 is not used is used, the desktop cutting machine is not enlarged.

  In addition, since the fan 17 is provided in the dust collection box 5, more chips can be moved to the dust collection box 5 than the circular saw portion, and dust collection efficiency can be increased.

  Further, since the dust collection box 5 can be taken out from the base 1, the chips accumulated in the dust collection box 5 can be easily discarded.

  Further, since the dust collection box 5 is provided so that its movement is restricted with respect to the base 1 by bolts 9 and can be fixed in position, the dust collection box 5 is prevented from moving unexpectedly. It can be a comfortable tabletop cutting machine.

  Further, since the dust collecting box 5 has the compression member 12 that is a compression means for compressing the chips, the volume of the chips can be reduced. Therefore, it can be set as a tabletop cutting machine with good workability.

  Further, since the compression member rotation restricting member 14 which is a rotation restricting member capable of fixing the compression means 12 is provided and the rotation of the compression means 12 can be restricted, it is unexpected when the compression means 12 is not rotated. Therefore, the compression means 12 is not rotated. Therefore, it can be set as a tabletop cutting machine with good workability.

  In the present invention, the circular saw portion is configured to be capable of changing the relative position with respect to the base portion. However, the configuration is not necessarily provided for the relative position change.

The front view of the tabletop cutting machine which shows the 1st Embodiment of this invention Part A enlarged view of FIG. The A section enlarged view which shows the state which removed the dust collection box of FIG. 2 of the tabletop cutting machine which shows the 1st Embodiment of this invention The top view of the tabletop cutting machine which shows the 1st Embodiment of this invention FIG. 4 is a cross-sectional view taken along the line BB of FIG. 4 of the tabletop cutting machine showing the first embodiment of the present invention. The front view of the tabletop cutting machine which shows the 1st Embodiment of this invention FIG. 4 is a cross-sectional view taken along the line CC of FIG. 4 of the tabletop cutting machine showing the first embodiment of the present invention. Detailed drawing of cutting waste compression operation of the tabletop cutting machine which shows the 1st Embodiment of this invention The top view of the dust collection box vicinity which shows other embodiment of this invention Front view of a conventional tabletop cutting machine

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Base, 2 ... Hose insertion hole, 3 ... Turntable, 4 ... Fence, 5 ... Dust collection box, 7 ... Rib, 8 ... Screw hole, 9 .. Bolts, 10 ... base ribs, 11 ... exhaust ports, 12 ... compression members, 13 ... compression member operation members, 14 ... compression member rotation restricting members, 15 ... hoses,
16 ... chips, 17 ... dust bag

Claims (9)

A base portion on which a work material can be placed;
A circular saw part having a circular saw blade for cutting a work material;
A tabletop cutting machine having a holder portion that stands upright from a base and supports a circular saw portion in a swingable manner,
A dust collection box capable of accommodating chips generated during cutting is provided in the base,
A tabletop cutting machine comprising a chip guide for connecting the circular saw portion and the dust collection box.   2. The tabletop cutting machine according to claim 1, wherein the dust collection box has suction means for sucking chips into the dust collection box. The tabletop cutting machine according to claim 2, wherein the suction means is a fan.   The tabletop cutting machine according to any one of claims 1 to 3, wherein the dust collection box is removable from the base.   5. The tabletop cutting machine according to claim 1, wherein the dust collection box is movable substantially parallel to the upper surface of the base portion.   The desk cutter according to any one of claims 3 to 5, wherein the dust collection box is provided so that its position can be fixed with respect to the base portion.   The tabletop cutting machine according to any one of claims 1 to 6, wherein the dust collection box has compression means capable of compressing chips.   8. The compression means according to claim 7, further comprising: a knob provided on a front surface of the dust collection box; and a lever connected to the knob and provided in the dust collection box and capable of changing a position in the dust collection box. Described tabletop cutting machine.   The tabletop cutting machine according to claim 8, further comprising lever fixing means for fixing a change in position of the lever.

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