JP5818189B1 - Processing apparatus and method - Google Patents

Abstract

The present invention provides a circular saw cutting device capable of cutting a member to be cut on the order of millimeters with a desired cutting angle with high accuracy. In a circular saw cutting apparatus for cutting a member to be cut 11 installed on a table 10 from above with a circular saw, a circular saw guide rail 15 for guiding a circular saw unit 13 in a straight line, and a circular saw A miter gauge 16 capable of adjusting the angle of the reference surface 16a with respect to the extending direction of the guide rail 15, and one end pressed against the reference surface 16a of the miter gauge 16, and the member to be cut 11 is in contact with the other end, A ruler 17 for specifying the cutting angle of the member 11 to be cut with respect to the extending direction of the circular saw guide rail 15, a base 18-1 attached to the table 10, and a base 18-1 extending from the base 18-1 so as to straddle the ruler 17 to be cut. And a clamp 18 having an arm portion 18-2 that is fixed by pressing the member 11 from above. [Selection] Figure 1

Description

  The present invention relates to a processing apparatus and method for processing a workpiece set on a table with a processing tool such as a circular saw, and is suitable for processing a workpiece with an accuracy of millimeter order. The present invention relates to an apparatus and a method.

  Conventionally, when a member to be cut such as wood is processed into a desired shape, the member to be cut is first fixed on a table, and the circular saw mounted on the circular saw guide rail is moved in a straight line, It cut | disconnected with the saw blade (for example, refer patent document 1). In addition, there is a method of cutting with a so-called table saw or the like in which a circular saw is fixed and the member to be cut is moved. The former is highly safe in that the operator's hand can be kept away from the circular saw, but it is difficult to fix a small member to be cut, and high-precision cutting can be realized. There was a problem that it was not possible. In particular, Patent Document 2 discloses a method of cutting with a circular saw in a state where a member to be cut is pressed on a table by a guide rail. However, in this method, when the contact area between the guide rail and the member to be cut is small, the member to be cut is moved by an impact at the time of cutting, so that the cutting accuracy is lowered.

  In addition to this, there is a problem that such a member to be cut having such a small size cannot be cut at a desired angle. Generally, when a member to be cut is cut at a desired angle, it is common to use a miter gauge incorporated in a circular saw cutting device (see, for example, Patent Document 3).

  The miter gauge has a semicircular gauge whose angle is adjustable with respect to the circular saw guide rail. In addition, by bringing the member to be cut into contact with the fence continuous with the gauge, the angle of the member to be cut can be adjusted with respect to the circular saw guide rail.

  However, in a circular saw cutting apparatus incorporating such a miter gauge, the cutting angle of the member to be cut can be freely adjusted, but it is not possible to perform cutting with high accuracy at a minute size of, for example, a millimeter order. .

  Therefore, the development of a circular saw cutting device that can cut a member to be cut with high precision at a desired cutting angle on the order of millimeters has been developed, especially in the industry of manufacturing wooden stationery, accessories and toys with a circular saw. Was strongly desired.

JP 2001-62801 A Utility Model Registration No. 3129093 JP 2003-127105 A

  Accordingly, the present invention has been devised in view of the above-described problems, and the object of the present invention is to cut a member to be cut with high accuracy at a desired cutting angle on the order of millimeters. It is to provide a circular saw cutting device.

A processing apparatus according to a first aspect of the present invention is a processing apparatus for processing a workpiece set on a table from above with a processing tool, or a processing angle of the processing member relative to a processing direction by the processing tool or the processing tool. After specifying the machining position with respect to the spacer, the spacer member with which the workpiece is brought into contact with the other end, the base attached on the base, and the longitudinal direction of the spacer so as to straddle the spacer member from the base A clamp that has an arm portion that extends at a right angle to the direction, has an end that is close to the processing tool, and that is fixed by pressing the workpiece from above, and a reference surface for the processing direction by the processing tool. An angle adjusting means capable of adjusting the angle, and the spacer member has one end pressed against a reference surface of the angle adjusting means, whereby the processing angle And identifies the.

  In the processing apparatus according to a second aspect of the present invention, in the first aspect, a rail groove extending in a direction corresponding to the processing direction is formed on the table, and the rail member connected to the angle adjusting means is the rail. It is configured so that it can be guided in a state where it is fitted in a groove, or a member connected to the clamp is configured so that it can be guided in a state where it is fitted in the rail groove. To do.

  In the processing apparatus according to a third aspect of the present invention, in the first or second aspect of the invention, the tip of the clamp is connected to an exchange member that can be exchanged or a tip member that is not exchangeable, and the exchange member or the tip member. The end portions of the circular saw blades are arranged so as to be substantially parallel to the machining direction, and the distance between the end portions of the circular saws is substantially zero with respect to the locus of the saw blade.

A processing method according to a fourth aspect of the present invention is a processing method for processing a workpiece set on a table from above with a processing tool, pressing one end of the spacer member against a reference plane with respect to the processing direction by the processing tool, A spacer member abutting step for specifying a processing angle of the processing member with respect to the processing direction or a processing position with respect to the processing tool by bringing the processing member into contact with the other end, and a base attached on the table Fixed by pressing the workpiece from above with a clamp that has an arm part that extends in a direction perpendicular to the machining direction so as to straddle the spacer member , and whose tip is close to the machining tool. And a fixing step.

  According to a fifth aspect of the present invention, there is provided the machining method according to the fourth aspect, further comprising an angle adjusting step of adjusting an angle of the reference surface with respect to a processing direction by the processing tool.

  According to the present invention having the above-described configuration, the cutting position and the cutting angle of the member to be cut are adjusted, and the saw blade in the circular saw unit is attached to the member to be cut which is firmly fixed to the table by the clamp. It is rotated and driven on a circular saw guide rail. As a result, the member to be cut can be cut by the saw blade with the cutting position and the cutting angle.

  In particular, even when it is desired to cut the member to be cut in the order of millimeters, this can be realized by bringing the ruler close to the cutting path of the saw blade to the millimeter order and pressing the member to be cut against it. For this reason, in the circular saw cutting device to which the present invention is applied, the member to be cut can be cut at a desired cutting angle on the order of millimeters. In particular, even if the member to be cut has a very small size, it is possible to increase the contact area with the arm portion and realize high-precision cutting.

It is a perspective view which shows the structure of the circular saw cutting device to which this invention is applied. It is a top view which shows the structure of the circular saw cutting device to which this invention is applied. It is a side view which shows the structure of the circular saw cutting device to which this invention is applied. It is a figure for demonstrating the thickness adjustment method by a clamp. It is a figure for demonstrating the other form which fixes the to-be-cut member by a clamp. It is a figure which shows the example which provided the exchangeable exchange member in the front-end | tip of a clamp. It is a figure which shows the example in which the fence of a miter gauge crosses the locus | trajectory S at the angle of about 30 degrees. It is a figure which shows the example which provides an exchange member and a clamp over two pairs. It is a figure for demonstrating the example which provides the dust collection groove | channel for collecting dust generated by cut | disconnecting a to-be-cut member. It is another figure for demonstrating the example which provides the dust collection groove | channel for collecting dust generated by cut | disconnecting a to-be-cut member. It is a figure for demonstrating other embodiment of a clamp. It is a figure for demonstrating the form which gave the angle adjustment function to clamp itself. It is another figure for demonstrating the form which gave the angle adjustment function to clamp itself. It is a figure which shows the form of the clamp which provided the other thickness adjustment function. It is a figure which shows the clamp which can implement | achieve an angle adjustment function and zero clearance simultaneously. It is a figure which shows the example which embodies this invention by a table-top circular saw.

  Hereinafter, a circular saw cutting device to which the present invention is applied will be described in detail with reference to the drawings.

  FIG. 1 is a perspective view showing a configuration of a circular saw cutting device 1 to which the present invention is applied, FIG. 2 is a plan view thereof, and FIG. 3 is a side view thereof. The circular saw cutting device 1 includes a table 10 for placing a member 11 to be cut, a circular saw unit 13, a rail plate 14 to which the circular saw unit 13 is attached, and the rail plate 14 facing in the x direction in the figure. By pressing a circular saw guide rail 15 that can be guided in a straight direction, a miter gauge 16 mounted on a table, a ruler 17 whose one end is pressed against a reference surface 16a of the miter gauge 16, and a member 11 to be cut from above And a clamp 18 to be fixed.

  The platform 10 is configured with a height suitable for the working height of the operator, and bracket materials 21 are fixed to both end surfaces thereof with bolts or the like (not shown). Shafts 22a and 22b are rotatably attached to one end of the bracket member 21 via shafts 23a and 23b. The upper ends of the shafts 22a and 22b are rotatably attached to projecting plates 25a and 25b attached so as to project downward from the bottom of the circular saw guide rail 15 via shafts 24a and 24b. Handles 26a and 26b that can be gripped by an operator are provided at the lower ends of the shafts 22a and 22b. By grasping the handle 26a or the handle 26b, the operator can turn the shafts 22a and 22b in the direction of the arrow in FIG. 3 with the shaft 23a as a fulcrum. As a result, the circular saw guide rail 15 attached to the upper end of the cylinder moves in the x direction in conjunction with this, and the distance between the upper surface of the table 10 and the bottom surface of the circular saw guide rail 15 also changes accordingly. Will be. In other words, the height of the parallelogram surrounded by the upper surface of the table 10, the bottom surface of the circular saw guide rail 15, and the shafts 22 a and 22 b can be freely controlled by operating the handle 26 in a side view. A spacer 590 may be placed on the upper surface of the table 10. The circular saw guide rail 15 can be supported from the lower side via the spacer 590, and the distance between the base 10 and the circular saw guide rail 15 can be held according to the height of the spacer 590. Become.

  On the upper surface of the table 10, two rail grooves 102a and 102b are formed on both sides of the rail groove 101 extending in the x direction.

  The circular saw guide rail 15 is made of a material such as metal, resin, wood, ceramics, etc., and has a shape in which the longitudinal direction is the traveling direction (x direction) of the circular saw unit 13. On the upper surface of the circular saw guide rail 15, a convex body 31 extending in the x direction is provided. This x direction is a cutting direction (processing direction) by the circular saw unit 13.

  The rail plate 14 is made of a material such as wood or metal, resin, wood, ceramics and the like, and a concave groove 32 is provided on the bottom surface thereof. The concave groove 32 extends in the x direction. The concave groove 32 can be fitted between the convex body 31. The rail plate 14 can guide the circular saw guide rail 15 in the x direction by fitting the concave groove 32 with the convex body 31. The operator moves the rail plate 14 to a desired x-direction position by performing an operation of only gripping and moving the circular saw unit 13 attached to the rail plate 14 to a desired x-direction position. It becomes possible.

  The circular saw unit 13 is contoured by a housing 131 and a saw cover 132 and includes a saw blade 133. The housing 131 is located on one side of the saw blade 133, and the housing 131 houses a motor for rotating the saw blade 133 with a circular saw shaft (not shown) as a rotation axis. The housing 131 has an air inlet and an air outlet on the saw blade 133 side. The housing 131 may contain a brake mechanism for stopping the motor drive in a short time when the power source is turned off by the operator. The saw blade 133 can be rotationally driven by turning on the power to the circular saw unit 13 and driving the motor. In this state, by guiding the circular saw unit 13 in the x direction, it is possible to perform cutting with the saw blade 133 in the x direction. In other words, it is possible to cut the member 11 by arranging the member 11 to be cut on the path of the saw blade 133 in the x direction.

  Incidentally, the circular saw unit 13 is not limited to such a configuration, and any conventional configuration may be applied. The circular saw unit 13 may be configured by purchasing a commercially available electric circular saw and arranging it on the rail plate 14.

  The miter gauge 16 is a device for holding the member 11 to be cut at a desired position and angle on the table. The miter gauge 16 includes a fence 161 and a lever 162 for adjusting an angle θ of the reference surface 16a of the fence 161 with respect to the x direction. As an example, the operator holds the lever 162 and moves it in the direction of the arrow in FIGS. 1 and 2 to freely change the angle θ of the fence 161 to a desired angle. A rail member 164 is provided at the bottom of the miter gauge 16. The rail member 164 is made of, for example, metal and has a shape extending in the longitudinal direction in the x direction. The rail member 164 can be guided in the x direction while being fitted in the rail groove 101. Therefore, the operator can hold the miter gauge 16 and move it to a desired position in the x direction. Moreover, since the rail member 164 attached to the lower end of the miter gauge 16 is fitted so as not to be detached from the rail groove 101, the miter gauge 16 can be guided toward the rail groove 101. Moreover, it can prevent that the reference plane 16a in the miter gauge 16 inclines in the direction which is not intended with this movement. Incidentally, the angle adjustment by the miter gauge 16 is not essential and may be omitted. Further, the configuration itself of the miter gauge 16 may be omitted.

  The rail grooves 101 and 102 may be composed of two or more different rails, or may be integrated into a single rail having both functions. The rail grooves 101 and 102 are not limited to being substantially parallel to the x direction, but may be perpendicular to the x direction, or may be configured at any angle corresponding to the x direction. May be.

  The ruler 17 is made of a material such as metal, resin, ceramics, or wood, and is configured in a shape bent at a right angle in a substantially L shape in plan view. The ruler 17 includes a first piece 171 whose outer side is pressed against the reference surface 16a of the fence 161 in the miter gauge 16, and a second piece extended in a direction perpendicular to the first piece 171. 172. The position is adjusted while the member 11 to be cut is in contact with the outer side of the second piece 172.

  Since the outer side of the first piece 171 in the ruler 17 is in contact with the reference surface 16a of the fence 161 in the miter gauge 16, when the angle θ of the miter gauge 16 changes, the first is changed accordingly. The angle of the piece 171 with respect to the x direction also changes. As a result, the angle of the second piece 172 extending in the direction perpendicular to the first piece 171 with respect to the x direction also changes corresponding to the angle θ of the miter gauge 16. And the angle with respect to the x direction of the to-be-cut member 11 contact | abutted to the outer side of the 2nd piece 172 will also change.

  The ruler 17 is pressed onto the table 10 by a pressing member 341. The holding member 341 can hold the ruler 17 held down by holding the ruler 17 between one end and the base 10 and rotating the knob 342 having the lower end inserted into the rail groove 102. It becomes. The knob 342 is attached to a screw rod that passes through the through hole of the pressing member 341, and a fitting portion (not shown) that can be fitted to 102 is formed at the lower end of the screw rod. Even when the knob 342 is rotated, the fitting portion (not shown) does not rotate, and the presser member 341 can be guided in the x direction in a state where the fitting portion (not shown) is fitted in the rail groove 102.

  Since the x direction corresponds to the cutting path of the saw blade 133 as described above, the cutting angle itself of the member 11 to be cut can be adjusted by adjusting the angle of the member 11 to be cut with respect to the x direction. It becomes possible.

  The ruler 17 is not limited to the configuration described above, and may not be configured in an L shape in plan view. That is, the ruler 17 may be configured in any shape as long as it plays a role as a spacer member in which one end is pressed against the reference surface 16a and the member to be cut 11 is in contact with the other end. . Further, the ruler 17 may be configured not only as being independent of the miter gauge 16 but also as being integrated with the miter gauge 16. Via this ruler 17, it becomes possible to specify the cutting angle of the member 11 to be cut with respect to the extending direction (x direction) of the circular saw guide rail 15.

  The clamp 18 is made of a material such as metal, resin, ceramics, or wood, and is disposed so that the longitudinal direction is a direction perpendicular to the x direction. The clamp 18 includes a base 18-1 in which a through hole 181 and a through long hole 182 are respectively formed, and an arm provided at an end closer to the circular saw guide rail 15 than the base 18-1. 18-2. Thickness adjusting screw rods 183 are respectively passed through the through hole 181 and the through long hole 182 in the base 18-1. A fitting portion 185 that can be fitted into the rail groove 102 is formed at the lower end of the thickness adjusting screw rod 183. The thickness adjusting screw rod 183 is fitted into the rail grooves 102a and 102b via a fitting portion 185 fitted to the lower end. The fitting portion 185 is extended in the longitudinal direction in plan view, and may be rectangular or elliptical. The fitting portion 185 has a longitudinal direction along the extending direction of the rail groove 102. For this reason, by rotating the adjustment member with handle 186, the so-called rotation of the fitting portion 185 can be prevented.

  The clamp 18 can be guided in the x direction while being fitted into the rail grooves 102a and 102b via the fitting portion 185 of the thickness adjusting screw rod 183. Therefore, the operator can hold the clamp 18 and move it to a desired position in the x direction. Moreover, since the fitting portion 185 attached to the lower end of the clamp 18 is fitted so as not to be disengaged from the rail grooves 102a and 102b, it can be guided in the direction of the rail groove 102. Further, it is possible to prevent the clamp 18 from being displaced in an unintended direction with such movement.

  A handle adjusting member 186 is screwed into the thickness adjusting screw rod 183 that is passed through the through long hole 182. The adjustment member 186 with handle has a female screw hole formed in the center, and the clamp 18 can be pressed downward by rotating the screw rod 183 by screwing it. Further, the thickness adjusting screw rod 183 can be freely adjusted through the through long hole 182 in the extending direction of the long hole. In addition to this, by making the through long hole 182 into a long hole shape, the angle of the longitudinal direction of the clamp 18 with respect to the x direction can be freely changed. As a result, not only the direction in which the longitudinal direction of the clamp 18 is orthogonal to the x direction but also an oblique direction can be extended, and as a result, the distance between the shaft centers of the thickness adjusting screw rod 183 increases. However, this through long hole 182 can absorb the increase in the distance.

  The clamp 18 is further formed with a longitudinal through-diameter opening 188 penetrating in the x direction. A knob portion 189 having a substantially circular cross section is inserted into the longitudinal through-diameter opening 188. A female screw hole is formed in the center of the knob portion 189 and is configured to be screwed into a thickness adjusting screw rod 183 that is passed through the through hole 181. By rotating the knob portion 189, the knob portion 189 itself can be driven upward or downward with respect to the thickness adjusting screw rod 183. And according to the drive of this knob part 189, it becomes possible to adjust the position of the clamp 18 in the upward direction or the downward direction through the longitudinal through-diameter enlarged opening 188 abutted against this.

  As shown in FIG. 1, the arm portion 18-2 may be formed with a notch 190 that is scraped from the upper surface over an arbitrary thickness, but such a configuration is not essential and may not be particularly formed. The member to be cut 11 is pressed and fixed between the arm portion 18-2 and the base 10.

  The clamp 18 has a base 18-1 mounted on the table 10 at a position separating the ruler 17 from the circular saw guide rail 15. Further, the member to be cut 11 is in contact with the outer side of the second piece 172 of the ruler 17 as described above. For this reason, in order to press and fix the member 11 to be cut by the arm portion 18-2, it is necessary to dispose the arm portion 18-2 so as to extend from the base portion 18-1 to the ruler 17. .

  Next, a method of actually cutting the member to be cut 11 by the circular saw cutting device 1 having the above-described configuration will be described.

  First, the thickness of the clamp 18 is adjusted. In adjusting the thickness of the clamp 18, first, as shown in FIG. 4A, the member 11 to be cut is disposed between the rail groove 102 a and the rail groove 102 b, and the knob portion 189 is rotated from above the clamp member 18. Will go down. Then, the base 18-1 of the clamp 18 is brought into contact with the member to be cut 11 and is sandwiched between the base 10. At this stage, in order for the bottom surface of the base 18-1 to be parallel to the surface of the member 11 to be cut, the bottom surface of the base 18-1 is in contact with the surface of the member 11 without a gap. Then, the knob portion 189 is rotated to adjust the thickness. In this way, after the thickness of the material to be cut 11 and the interval between the base 18-1 and the base 10 are substantially matched and are adjusted to be parallel to each other, the member 11 to be cut is removed, As shown in FIG. 4B, the member 11 to be cut is sandwiched between the clamp 18 and the base 10. At this time, when the adjustment member with handle 186 is originally set at a low position and the distance between the clamp 18 and the base 10 is narrow, the member 11 to be cut cannot be sandwiched in the distance. For this reason, it is desirable to set the gap between the clamp 18 and the base 10 wide by adjusting the adjustment member 186 with the handle in advance to a high position.

  Then, by rotating the handle adjusting member 186, the clamp 18 is tightened, and the member 11 to be cut is firmly held between the arm portion 18-2 and the base 10. In other words, through the above-described process, the member to be cut 11 can be firmly fixed by the clamp 18, and it is possible to prevent the positional deviation from occurring when cutting with a circular saw. For this reason, according to the circular saw cutting device 1 to which the present invention is applied, it is possible to realize cutting with higher accuracy without causing a positional shift during cutting of the member 11 to be cut.

  Actually, the cutting angle by the circular saw may be adjusted before the member 11 to be cut is fixed as shown in FIG. In such a case, the angle θ is adjusted by operating the lever 162 in the miter gauge 16. Then, the reference surface 16a of the fence 161 in the miter gauge 16 is brought into contact with the first piece 171 of the ruler 17, and the member 11 to be cut is brought into contact with the outer side of the second piece 172. The clamp 18 is pressed and fixed as described above.

  Further, before fixing the member to be cut 11 as shown in FIG. 4B, the cutting position by a circular saw, in other words, the cutting size may be adjusted. In such a case, the first piece 171 of the ruler 17 is brought into contact with the reference surface 16a of the fence 161 in the miter gauge 16, and the position of the ruler 17 is adjusted in the direction approaching or separating from the circular saw guide rail 15, Thereafter, the pressing member 341 is pressed down. Then, the member to be cut 11 is brought into contact with the outer side of the second piece 172 of the ruler 17 and is pressed and fixed by the clamp 18 in this state as described above.

  In this way, the cutting position and the cutting angle of the member 11 to be cut are adjusted, and the saw blade 133 in the circular saw unit 13 is attached to the member 11 that is firmly fixed to the table 10 by the clamp 18. It is rotated and driven on the circular saw guide rail 15. As a result, the member to be cut 11 can be cut by the saw blade 133 with the cutting position and the cutting angle.

  Further, even when cutting a plurality of members 11 having different thicknesses, the thickness of the clamp 18 can be adjusted by a relatively simple operation as described above.

  In particular, even when it is desired to cut the member to be cut 11 on the order of millimeters, this can be realized by bringing the ruler 17 close to the cutting path of the saw blade 133 to the millimeter order and pressing the member 11 to be cut against it. For this reason, in the circular saw cutting device 1 to which the present invention is applied, the member 11 to be cut can be cut at a desired cutting angle on the order of millimeters. In particular, even if the member to be cut 11 is a minute size, the contact area with the arm 18-2 can be increased, and high-precision cutting can be realized.

  In particular, in the circular saw cutting device 1, in the form of cutting the circular saw from above with respect to the member 11 to be cut, it is very difficult to cut the member 11 to be cut with high precision at a desired cutting angle in the millimeter order. It becomes a suitable structure.

  In addition, according to this invention, it can prevent colliding with the rail board 14 which drive | works on the circular saw guide rail 15 by forming the notch 190 in the arm part 18-2. In other words, since the notch 190 is formed in the arm portion 18-2, even when the tip of the arm portion 18-2 is brought close to the circular saw guide rail 15, the circular saw guide rail 15 It is possible to secure a traveling space for the rail plate 14 traveling on the top. For this reason, when the circular saw unit 13 is freely moved in the x direction on the circular saw guide rail 15, the arm portion 18-2 does not become a barrier.

  Further, according to the present invention, when the cut width of the member 11 to be cut is determined, the width can be easily determined using the miter gauge 16 or the ruler 17.

  Further, according to the present invention, both the miter gauge 16 and the clamp 18 can be moved to desired positions in the x direction. Therefore, the miter gauge 16 and the clamp can be set at a position where the operator can easily work, and the cutting posture by the circular saw can be arranged in a desired form.

  When the configuration of the miter gauge 16 is omitted, the processing position of the workpiece to be processed with respect to the locus S of the saw blade 133 or the processing angle with respect to the processing direction (x direction) is specified by the ruler 17. The specification by the ruler 17 is fixed on the table 10 after being placed in a desired position and direction with respect to the trajectory S and the x direction. As a fixing method of the base 10 of the ruler 17, the ruler 17 may be fixed by a bolt or a screw (not shown), or may be fixed by a clamp or the like (not shown).

  Next, another embodiment of the circular saw cutting device 1 to which the present invention is applied will be described.

  FIG. 5 shows a variation of the clamp 18. FIG. 5A shows an example in which the member to be cut 11 is interposed between the clamp 18 and the base 10 instead of omitting the configuration of the rail groove 102b and the thickness adjusting screw rod 183 fitted thereto. Yes. This is an effective technique particularly when there are a plurality of members to be cut 11 having the same thickness. Thereby, since the structure of the clamp 18 can be simplified, it becomes possible to set it as a lower-cost apparatus. By rotating the adjustment member 186 with the handle, it is possible to receive the clamp 18 on which the pressing force is applied downward at both ends by the member 11 to be cut. Instead of using the member 11 to be cut having the same thickness, a stair block configured in a staircase shape may be used.

  FIG. 5B shows a configuration in which a thickness adjusting screw rod 183 is fitted into the rail groove 102 a and a knob portion 189 is provided at the upper end of the thickness adjusting screw rod 183. Depending on the driving of the knob 189, the position of the clamp 18 can be adjusted upward or downward. The member to be cut 11 is interposed between the clamp 18 and the base 10 on one end side, and a coil spring 201 is provided on the bottom surface on the other end side of the clamp 18. When the clamp 18 is moved downward, it is supported from below by the member 11 to be cut, and the upward repulsive force of the coil spring 201 is applied so that the clamp 18 is directed horizontally in parallel with the table. It becomes possible to stabilize.

  In the configuration of FIG. 5B, it is needless to say that an elastic body other than the coil spring 201 may be used. The coil spring 201 is not limited to the case where the coil spring 201 is interposed on the bottom surface on the other end side of the clamp 18. For example, the coil spring 201 may be provided in the vicinity of the thickness adjusting screw rod 183.

  In the example of FIG. 5C, a form in which the member 11 to be cut thinner than the ruler 17 is cut is shown. Spacers 701 and 702 are attached to the bottom surface of the arm 18-2 and the bottom surface of the clamp 18, respectively. When the member 11 to be cut is placed under the spacer 702 and the clamp 18 is pushed down, the member 11 to be cut comes into contact with the bottom surface of the spacer 702. In this way, the thickness is first adjusted, and the member 11 to be actually cut is brought into contact with and fixed under the spacer 701. Thereby, the member 11 to be cut thinner than the ruler 17 can be fixed in a stable state via the clamp 18. Further, in the form shown in FIG. 5C, in addition to the case where the member 11 to be cut thinner than the ruler 17 is cut, the contact area with the member 11 to be cut cannot be obtained only by the arm portion 18-2 in the clamp 18. In this case, the spacer 701 may be protruded from the tip of the arm portion 18-2. As a result, the member 11 to be cut can be pressed and fixed via the arm portion 18-2.

  Furthermore, according to the present invention, the operator can freely adjust the distance between the upper surface of the table 10 and the bottom surface of the circular saw guide rail 15 only by operating the handle 26. Therefore, when the contact area between the circular saw guide rail 15 and the member to be cut 11 is large, the member to be cut 11 can be pressed and fixed via the circular saw guide rail 15. Thereby, when the member 11 to be cut is thin and the area fixed by the spacer 701 or the arm portion 18-2 is smaller than the entire area of the member 11 to be cut, the cut may occur due to the cutting of the circular saw. The vibration of the member can be suppressed. In this way, it is possible to realize high-precision cutting without causing a position shift at the time of cutting the thin member 11 to be cut. Incidentally, even if the member to be cut is thick, it goes without saying that the member to be cut 11 may be pressed and fixed through the circular saw guide rail 15 in this way.

  FIG. 6A shows an example in which a replaceable replacement member 301 is provided at the tip of the clamp 18. In this example, detailed configurations such as the circular saw unit 13 and the miter gauge 16 are omitted. A replaceable exchange member 301 is provided at the tip of the clamp 18. The replacement member 301 is made of a material that can be easily cut with a circular saw, such as wood or resin. The exchange member 301 and the tip of the clamp 18 may be fixed by, for example, providing a hole in one of them and inserting a protrusion such as a dowel (tenon) formed in the other. In addition to this, a joint called a general joint or joint may be applied. Moreover, you may make it connect by what is called a joint. This step joint has a configuration in which, for example, the clamp 18 and the replacement member 301 are overlapped on a step, a bolt is inserted through the overlapped portion, and the nut is screwed with a nut. In addition, a connecting member made of metal such as aluminum or wood or resin may be provided at the distal ends of the replacement member 301 and the clamp 18 separately from these, and these may be fitted to each other.

  At this time, the exchange member 301 and the clamp 18 may be configured such that their planes are substantially the same plane at the time of joining.

  The clamp 18 and the replacement member 301 attached thereto are extended from the base 18-1 so as to straddle the ruler 17, and are fixed by pressing the member 11 to be cut from above. The orientation direction of the clamp 18 and the exchange member 301 is not parallel to the reference surface 16a, but may be an angle that is not parallel to the reference surface 16a, such as 30 ° or 45 °. When the clamp 18 and the replacement member 301 are extended from such directions of 30 ° and 45 °, particularly when the clamp 18 is difficult to use depending on the position of the ruler 17 or the position of the fence of the miter gauge 16, or the clamp 302 is strong. Useful when it cannot be fixed.

  Note that a clamp 302 may be provided between the exchange member 301 and the member to be cut 11, and the member to be cut 11 may be sandwiched between the clamp 302 and the fence 161. Further, instead of fixing by the clamp 18, the member 11 to be cut may be fixed only by the clamp 302. In such a case, the clamp 302 may be fixed by a magnetic force, or may be fixed via a screw (not shown). On the other hand, the clamp 302 may be omitted, and the member to be cut 11 may be fixed only by the clamp 18 and the exchange member 301.

  Further, by forming the groove 302a in several stages in the clamp 302 in advance, it is possible to prevent the clamp 302 and the member to be cut 11 from slipping.

  The clamp 302 is configured not to vertically clamp the member 11 to be cut with the base 10 like the clamp 18 and the exchange member 301 but to clamp with the miter gauge 16 in the horizontal direction. ing.

  Thereby, the to-be-cut member 11 can be hold | maintained more firmly, and it can prevent that position shift arises at the time of the cutting | disconnection by a circular saw. In particular, the orientation direction of the clamp 18 and the exchange member 301 is not parallel to the reference surface 16a, but is not parallel to the reference surface 16a, for example, 45 °. It becomes possible to hold firmly.

  In such a configuration, the member to be cut 11 on the locus S of the saw blade 133 in the drawing can be cut by actually cutting with the circular saw unit 13. The tip of the replacement member 301 may be aligned with the locus S of the saw blade 133. As a result, it is possible to realize a so-called zero clearance state in which the distance between the tip of the replacement member 301 and the locus S of the saw blade 133 is substantially zero. Even if the tip of the replacement member 301 may slightly cover the locus S of the saw blade 133, the replacement member 301 is made of resin, wood, or the like, so the replacement member 301 itself is cut by the saw blade 133. Thus, a so-called zero clearance state can be realized.

  In the subsequent cutting of the member 11 to be cut, the interval between the tip of the replacement member 301 and the locus S of the saw blade 133 is already almost zero. For this reason, in the subsequent cutting of the member 11 to be cut, the zero clearance state can be maintained unless the angle of the replacement member 301 is changed.

  As an alternative to the replacement member 301, a non-replaceable tip member may be provided. The tip of the tip member is set in a state in which the distance from the locus S of the saw blade 133 is set to approximately 0, and the tip member is continuously used without being replaced. Similarly, a so-called zero clearance state can also be realized in the embodiment shown in FIG. In such a case, the setting is performed so that the distance between the tip of the arm 18-2 and the locus S of the saw blade 133 is substantially zero.

  By setting such a zero clearance state, even if the member 11 to be cut is extremely small and is about several millimeters, it can be pressed and fixed by the replacement member 301.

  An exchange member 311 may be provided between the fence 161 of the miter gauge 16 and the locus S. The joining method of the replacement member 311 and the fence 161 may be the same as the joining method in the replacement member 301 described above. At this time, the reference surface 16a of the fence 161 and the replacement member 311 are adjusted so as to form the same plane. In this way, since the tip of the replacement member 311 is in the zero clearance state with the locus S, even if the member 11 to be cut is extremely small, even if it is about several millimeters, this is replaced with the replacement member 311. It becomes possible to make it contact | abut.

  The replacement members 301 and 311 can be replaced when worn. For this reason, if only the replacement members 301 and 311 are continuously replaced, the circular saw cutting device 1 can be continuously used for a long time. Further, the fence 161 may be provided with a stopper 321. The stopper 321 is bent in an L shape in a cross-sectional view and can be attached to the fence 161, and the ruler 17 can be brought into contact with and fixed through the side end. Incidentally, the stopper 321 is an important part in positioning for cutting the member 11 to be cut. You may make it use this stopper 321 and a ruler integrally.

  Note that the ruler 17 may be fixed by being pressed from above via the pressing member 341, or may be fixed by being attracted by the magnetic force of a magnet embedded in the table 10.

  FIG. 6B shows an example of fixing the columnar member 11 to be cut. In this fixing example, a mounting plate 601 attached to the fence 161, a thickness adjusting plate 602 extending substantially perpendicularly from the mounting plate 601, and a length extending in the longitudinal direction of the thickness adjusting plate 602. A hole 603, a fixed piece 606 into which the thickness adjusting plate 602 is inserted, and a contact piece 610 attached to the fixed piece 606 are provided. A knob 604 is inserted into the long hole 603, and by tightening the knob 604, it is possible to adjust the position of the fixed piece 606 in the extending direction of the long hole 603. Further, the knob 605 is inserted into the fixed piece 606, and by rotating the knob 605, the fixed piece 606 and the fence 161 can be brought close to each other. As a result, the member 11 to be cut is firmly fixed via the contact piece 610. It becomes possible to do. In addition, not only when the to-be-cut member 11 is a cylindrical form, even if it is a rectangular parallelepiped form, you may make it apply such a form shown in FIG. In such a case, the configuration of the clamp 302 is omitted, and the configuration of the contact piece 610 is omitted. As a result, the fixed piece 606 can be brought into surface contact with the side surface of the rectangular parallelepiped member 11.

  The clamp 302 may be fixed using the attachment plate 601, the thickness adjustment plate 602, or the like.

  In the example of FIG. 7, the fence 161 of the miter gauge 16 intersects the trajectory S at an angle of approximately 30 ° instead of a right angle. Even in such a case, the replacement member 311 can be similarly joined to the tip of the fence 161, and this can be fixed by pressing the member 11 to be cut by the clamp 18 having the replacement member 301 joined to the tip. In addition, since the replacement members 301 and 311 are in a zero clearance state with respect to the locus S, even if the member 11 to be cut is extremely small, it can be firmly fixed. Incidentally, in the example of FIG. 7, the stopper 321 is attached to the fence 161 in the same manner as described above. However, the stopper 321 is fixed by pressing the ruler 17 from above through its lower end.

  In the example of FIG. 8, the example which provides the replacement member 301 and the clamp 18 over two pairs is shown. Even in such a configuration, the above-described effects can be obtained by setting the replacement members 301 and 311 to zero clearance between the replacement members 301 and 311.

  In the case of using a processing tool other than a circular saw, the configuration of the guide rail 15 is not essential.

  Moreover, in the circular saw cutting device 1 to which the present invention is applied, dust generated by cutting the member to be cut 11 may be collected as shown in FIGS. For this dust collection, the dust collection groove 311 is provided so as to extend from the bottom surface of the rail plate 14 in the x direction. The bottom surface of the dust collecting groove 311 is open, but a lid (not shown) may be provided on the bottom surface. The lid (not shown) may be provided so as to be slidable from the X direction with respect to the lower portion of the dust collecting groove 311.

  At least a part of the upper surface of the dust collecting groove 311 is opened and the hose 312 is continuous.

  A suction force is generated from the hose 312 when the member to be cut 11 is cut. As a result, chips generated by cutting the member to be cut 11 are attracted to the suction force and collected to the hose 312 via the dust collection groove 311.

  The clamp 18 is not limited to the embodiment described above, and the clamp described below may be applied.

  In the form shown in FIG. 11, the structures of the thickness adjusting screw rod 183 and the handle adjusting member 186 provided on the clamp 18 are the same as described above. Further, the replacement member 301 is provided on the clamp 18 and the so-called zero clearance state in which the interval between the tip of the replacement member 301 and the locus S of the saw blade 133 is substantially zero is the same as described above. Two bases 351 are inserted into the base 18-1 of the clamp 18, and a mounting table 323 is attached to the lower end thereof. Further, a knob 357 continuous with the screw rod is inserted into the base 18-1. By rotating this knob 357, the plate-like body 359 attached to the screw rod is pressed against the rod body 351, thereby making it possible to freely move and fix the base 18-1 in the vertical direction. Thickness adjustment can be realized.

  According to the configuration shown in FIG. 11, only one thickness adjusting screw rod 183 is inserted into the groove 102, and the clamp 18 can be fixed only by mounting the mounting table 323 on the table 10. . Incidentally, it is not essential for the thickness adjusting screw rod 183 to penetrate the groove 102. That is, the thickness adjusting screw rod 183 may be detachably attached to the base 10 based on an attractive force by magnetic force.

  FIG. 12 is a perspective view showing a configuration of another clamp 18, and FIG. 13 is a perspective view showing a state in which the clamp 18 is viewed from below. According to the clamp 18, the thickness adjusting screw rod 183 is inserted into the through long hole 182, and the handle adjusting member 186 is attached thereto. Two bars 351 are inserted into the base 18-1 of the clamp 18, and a mounting table 323 'is attached to the lower end thereof. The mounting table 323 ′ is provided with a through long groove 372 extending along the circumferential direction. A threaded rod 392 to which a bolt knob 371 is attached is inserted into the through long groove 372.

  As shown in FIG. 13, a T bolt 391 is formed at the lower end of the screw rod 392. The screw 395 is screwed into any one of the screw holes 382 provided on the bottom surface of the mounting table 323 via the adjustment plate 381. The longitudinal direction of the adjusting plate 381 and the T bolt 391 are aligned in one direction, and these are fitted in the groove 102. Further, the thickness adjusting screw rod 183 is also fitted in the groove 102.

  According to such a form, the angle of the clamp 18 can be freely adjusted. When it is desired to adjust the angle of the clamp 18, the adjustment plate 381 is rotated through the central rotary shaft 381 a and oriented in a desired direction, and then a screw 395 is inserted into the screw hole 382 and screwed. After adjusting the angle of the adjusting plate 381 via the rotation shaft 381a, the adjusting plate 381 is fixed with a screw 395 or the like. Further, after adjusting the angle by the adjusting plate 381, an operation of aligning the T bolt 391 in the longitudinal direction is performed. Such an operation is realized by moving the screw rod 392 to which the bolt knob 371 is attached along the through long groove 372. Further, when adjusting the angle of the clamp 18, the thickness adjusting screw rod 183 is freely movable in the through long hole 182 from the viewpoint of improving the degree of freedom of arrangement of the clamp 18.

  FIG. 14 is a perspective view showing the configuration of another clamp 18. In the form of FIG. 14, a thickness adjusting shaft 403 is erected on the mounting table 410, and a base 18-1 is inserted into the thickness adjusting shaft. The thickness adjusting shaft 403 has a long hole 405 extending in the vertical direction. A screw 421 having one end connected to the knob 404 is inserted into the long hole 405 via the base 18-1, and further, A plate-like body 423 is attached to the tip of the screw 421. By rotating the knob 404, the distance between the plate-like body 423 and the knob 404 can be gradually reduced. As a result, the base 18-1 is pressed down by the knob 404 and the plate-like body 423 and can be fixed to the thickness adjusting shaft 403. At this time, the base 18-1 can be moved and fixed freely in the vertical direction by adjusting the base 18-1 with respect to the base 10 at an arbitrary interval and tightening with the knob 404 at this time. It becomes.

  In addition to this, a rod body 406 is erected on the mounting table 410. The rod body 406 has a threaded portion in the vicinity of the upper end, and a knob 407 is screwed to the threaded portion. By rotating the knob 407, the knob 407 can be raised or lowered on the rod body 406. By lowering the knob 407, the base 18-1 can be pushed downward.

  The mounting table 410 is provided with a screw rod 392, and a T-bolt 391 protrudes from the bottom surface of the mounting table 410 at the lower end of the screw rod 392. In addition to this, a plate-like body 411 protrudes from the bottom surface of the mounting table 410, and the longitudinal direction of the plate-like body 411 and the T bolt 391 are aligned on the same line and fitted into the groove 102. . In the clamp 18 shown in FIG. 14 as well, the member 11 to be cut can also be pressed and fixed via the base 18-1. In addition, a replacement member 301 may be provided on the base 18-1 so as to realize a so-called zero clearance state in which the interval between the tip of the replacement member 301 and the locus S of the saw blade 133 is substantially zero. Further, by attaching spacers 701 and 702 as shown in FIG. 5C to the replacement member 301, the member to be cut 11 thinner than the ruler 17 can be cut. Similarly, spacers 701 and 702 may be attached to each of FIGS. 11 to 13 other than FIG. 14 and each form of FIG. 15 described later.

  FIG. 15 is a perspective view showing the configuration of another clamp 18, but the same components and members as those in FIGS.

  In the form shown in FIG. 15, the thickness adjusting screw rod 183, the configuration of the handle adjusting member 186, the replacement member 301, and the rod body 351 provided in the clamp 18 are the same as described above. A mounting table 323 is attached to the lower end of the rod body 351. The mounting table 323 has a rectangular shape in plan view, while one end thereof is continuous with a circular mounting table 323 ′ in plan view. doing. A knob 357 continuous with the screw rod is inserted into the base 18-1. By rotating this knob 357, the plate-like body 359 attached to the screw rod is pressed against the rod body 351, whereby the thickness adjustment of the base 18-1 can be realized in the same manner as described above.

  The mounting table 323 ′ is provided with an arc-shaped through long groove 372 extending in the circumferential direction, and a screw rod 392 is inserted into the through long groove 372. A T bolt 391 is formed at the lower end of the screw rod 392. Further, an adjustment plate 381 is attached to the bottom surface of the mounting table 323.

  In the form shown in FIG. 15 as well, the angle of the clamp 18 can be adjusted similarly.

  Although the configuration of the clamp 18 has been described above, the configurations in FIGS. 11 to 15 may be configured in any combination.

  In the above-described embodiments, the case where the circular saw unit 13 is used as a processing tool has been described as an example. However, the present invention is not limited to this. In addition to cutting the member 11 to be cut, any processing tool capable of performing some processing may be substituted. Other processing tools may be jigsaws, routers, trimmers, and the like. In addition, a so-called tabletop circular saw or slide circular saw may be applied to the circular saw.

  FIG. 16 shows an example in which the present invention is embodied by a desktop circular saw 1 ′. In the example of FIG. 9, the same components and members as those of the circular saw cutting device 1 shown in FIGS.

  The tabletop circular saw 1 ′ has a circular saw unit 13 including a saw blade 133. The circular saw unit 13 is rotatably provided via a hinge portion 378 provided at the rear end of the table 10. By manually lowering such a circular saw unit 13 toward the member 11 to be cut, the member 11 to be cut can be cut through the saw blade 133.

  The member 11 to be cut is placed on a rotary table 163 provided in the table 10 and is pressed and fixed from above via a clamp 18. The clamp 18 is exemplified by the case where the one shown in FIG. 11 is used, but is not limited to this, and any other form of the clamp 18 is applicable. Also good. The clamp 18 fixes the member 11 to be pressed from above while straddling the ruler 17.

  The position of the ruler 17 is adjusted in a state where the outer side is pressed against the reference surface 16a of the fence 161 and the member to be cut 11 is in contact with the other outer side. The ruler 17 is fixed via a stopper 321 that is bent in an L shape in a sectional view. This stopper 321 may be fixed via a knob 605.

  Further, in this tabletop circular saw 1 ′, a rotary table 163 is provided in the table 10 as an alternative to the rotary mechanism using the miter gauge 16. The rotary table 163 is rotatable about an axis, and is configured to be manually rotatable by gripping a gripping portion 162 ′ provided on the outer periphery. By rotating the turntable 163, the member 11 to be cut placed thereon can be freely rotated with respect to the cutting direction.

  It goes without saying that the same effects as described above can be obtained in this embodiment.

DESCRIPTION OF SYMBOLS 1 Circular saw cutting device 10 stand 11 Cut member 13 Circular saw unit 14 Rail board 15 Circular saw guide rail 16 Miter gauge 17 Ruler 18 Clamp 21 Bracket material 22 Shaft 23, 24 Shaft 25 Projection board 26 Handle 31 Convex body 32 Concave Groove 101, 102 Rail groove 131 Housing 132 Saw cover 133 Saw blade 161 Fence 162 Lever 164 Rail member 171 First piece 172 Second piece 181 Through hole 182 Through long hole 183 Screw rod 185 Fitting portion 186 Adjusting member with handle 189 Knob part 190 Notch 201 Coil spring 301 Exchange member 302 Clamp 311 Exchange member 312 Hose 321 Stopper 323, 410 Mounting base 341 Holding member 351 Rod body 342, 357, 407 Knob 359, 411 Plate body 371 Bolt knob 372 Through length 381 Adjustment plate 382 Screw hole 391 Bolt 395 Screw 403 Adjustment shaft 404 Knob 405, 603 Long hole 406 Rod body 421 Screw 423 Plate body 452 Lever 453 Shaft 602 Thickness adjustment plate 604, 605 Knob 606 Fixing piece 610 Contact piece 701 702 Spacer

Claims (5)

In a processing apparatus for processing a workpiece to be processed installed on a table from above with a processing tool,
After specifying the processing angle of the processing member relative to the processing direction by the processing tool or the processing position with respect to the processing tool, a spacer member with which the processing member abuts the other end;
A base portion mounted on the table, and extended so that the longitudinal direction thereof is perpendicular to the processing direction so as to straddle the spacer member from the base portion , the tip thereof is close to the processing tool, and the workpiece is A clamp having an arm portion fixed by pressing from above;
An angle adjusting means capable of adjusting the angle of the reference surface with respect to the processing direction by the processing tool,
The said spacer member specifies the said process angle by pressing one end against the reference plane of the said angle adjustment means, The processing apparatus characterized by the above-mentioned . A rail groove extending in a direction corresponding to the processing direction is formed on the table,
In a state in which the rail member connected to the angle adjusting means is fitted in the rail groove, the guide member can be guided to the rail groove, or the member connected to the clamp is fitted in the rail groove. The processing apparatus according to claim 1, wherein the processing apparatus is configured to be capable of guiding the same. The tip of the clamp is connected to a replaceable exchange member or a non-replaceable tip member,
The end of the replacement member or the tip member is disposed so as to be substantially parallel to the machining direction, and the interval is set to be substantially zero with respect to the locus of the saw blade in the circular saw. Item 3. A processing apparatus according to item 1 or 2. In a processing method for processing a workpiece installed on a table from above with a processing tool,
By pressing one end of the spacer member against the reference surface for the processing direction by the processing tool and bringing the processing member into contact with the other end, the processing angle of the processing member with respect to the processing direction or the processing position with respect to the processing tool A spacer member abutting step for identifying
The work piece is clamped by a clamp having an arm portion that is extended so that its longitudinal direction is perpendicular to the processing direction so as to straddle the spacer member from a base portion that is mounted on the table , and whose tip is close to the processing tool. And a fixing step of fixing the member by pressing the member from above. The processing method according to claim 4, further comprising an angle adjustment step of adjusting an angle of the reference surface with respect to a processing direction by the processing tool.

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