JP2006062012A - Cutter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cutter, surely cutting a material to be cut along a required line even if it has a large area, easily carried to an operating place, and coping with the material having a large height. <P>SOLUTION: In this cutter 1, a metal-made rectangular frame-like lower frame part 10, a metal-made rectangular frame-like upper frame part 12 having a width a little smaller than that of the lower frame part 10, and a main body 13 slidably supported on the upper frame part 12 are connected to each other by hinge parts 11, 11, and pivots 113, 113 are slidably passed through both elliptic holes 112, 112. A first stopper 105 formed like an inverted V-shape turnably fitted to a lower frame 101 is locked on a handle part 122 of the upper frame 120. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a cutting machine for cutting a plate material such as a steel plate used for a roof material or a wall material.

  For example, a square corrugated plate formed by forming a color steel plate into a rectangular corrugated shape, or a plate material such as a so-called K span is used as a roof material or a wall material. When cutting such a plate material, it is important to prevent the scattering of chips as much as possible in order to preserve the work environment. Therefore, the following cutting machine is disclosed by patent document 1 mentioned later.

  FIG. 22 is an external perspective view showing the cutting machine disclosed in Patent Document 1, in which 51 is a horizontal rectangular parallelepiped box-shaped mounting table on which a material to be cut is mounted. In the vicinity of one end of the mounting table 51, support plates 52a (52a) having a right-angled ridge shape are fixed to both side surfaces of the mounting table 51 with their tips protruding from one end surface of the mounting table 51. A pivot 52 is provided between the projected ends of the plate 52a (52a). On the mounting table 51, the holding plate 53 that is substantially the same width as the mounting table 51 and presses the material to be cut placed on the mounting table 51 has one end side of the support plates 52 a (52 a). The presser plate 53 is disposed so as to be freely fitted in between, and the vicinity of one end of the presser plate 53 is supported by the pivot shaft 52 so as to be rotatable in the vertical direction.

  On both side edges of the presser plate 53, inverted L-shaped rail members 54, 54 extend over substantially the entire region in the longitudinal direction of the presser plate 53 so that the upper surface of the presser plate 53 is U-shaped when viewed from the front. In both rail members 54, 54, both side portions of the slide plate 56 are slidably fitted in the longitudinal direction of the presser plate 53. A notch 57 extending from the substantially central position of the slide plate 56 to the tip is provided at a substantially central position in the width direction of the slide plate 56, and the cutting motor main body 55 includes a built-in drive motor on the upper surface of the slide plate 56. The rotary blade that is rotationally driven by is fixed in a state of projecting downward from the notch 57.

  The cutting machine main body 55 is provided with a semi-disc shell-like cover frame 58 that covers the rotary blade, and the tip of a dust suction nozzle 59 that communicates with the dust collector 60 passes through the cover frame 58. It is attached in a manner.

  Two pads (not shown) formed by molding urethane foam into a prismatic shape are attached to both sides of the notch 57 in parallel with each other on the back surface of the holding plate 53 described above. Inside, two prismatic pads (not shown) are attached with a required gap in the width direction of the mounting table 51.

In such a cutting machine, the presser plate 53 is rotated upright about the pivot 52, the cut material is placed on the mounting table 51, and then the presser plate 53 is closed to remove the cut material. In a state in which the rotary blade of the cutting machine main body 55 is rotationally driven while being clamped and fixed, the slide plate 56 fitted to both rail members 54 (54) is slid in the longitudinal direction of the presser plate 53, and the workpiece is cut. Disconnect. At this time, chips of the material to be cut are collected between both the cover frame 58 and the pads in the mounting table 51, and are collected to the dust collector 60 through the dust suction nozzle 59.
Japanese Patent Laying-Open No. 2001-205624 (FIG. 2)

  However, in such a conventional cutting machine, since the width of the mounting table 51 and the holding plate 53 is narrow, when cutting a material having a relatively large area, the mounting table 51 and the holding plate are cut during the cutting operation. In some cases, the material to be cut sandwiched between the members 53 cannot be prevented from shifting and the material to be cut cannot be cut along a required line. On the other hand, when the widths of the mounting table 51 and the presser plate 53 are simply widened, there is a problem that both of them become heavy and it becomes difficult to carry the cutting machine. On the other hand, in the conventional cutting machine, since the presser plate 53 can be rotated around the pivot 52 fixed between the protruding tips of the support plate 52a (52a), it is possible to cut a material to be cut having a large height. There was also a problem that they could not cope.

  The present invention has been made in view of such circumstances, and even a material to be cut having a large area can be reliably cut along a required line, and can be easily carried to a place of use. Provided is a cutting machine that can cope with a material to be cut having a large thickness.

  The present invention according to claim 1 is a lower frame on which a material to be cut is placed, an upper frame that holds the material to be cut between the lower frame, and the upper frame and the lower frame. A hinge part that connects the distances freely, two rails provided parallel to each other on the upper frame, and a base that is slidably supported in the longitudinal direction between both rails, to the back side of this base A rotating blade with a part protruding, and a main body provided with a cover for covering the rotating blade, and a peripheral edge protruding to the back side of the base of the rotating blade on the lower frame Is mounted so as to surround the track on which the part moves, and a receiving groove part that receives chips generated when the workpiece is cut by the rotary blade, and is swingably and extendably provided on the lower frame, And a stopper for prohibiting the opening operation.

  The present invention according to claim 2 is characterized in that the main body is configured such that the base is detachably mounted on both rails.

  The present invention according to claim 3 is characterized in that an upper frame support portion capable of supporting the upper frame in a predetermined open posture is provided.

  According to a fourth aspect of the present invention, in order to determine the posture of the material to be cut on the lower frame, an abutment portion that abuts the edge of the material to be cut is provided so that the angle formed with the lower frame can be changed. It is characterized by that.

  The present invention according to claim 5 is characterized in that the lower frame and the upper frame are made of a pipe material.

  The present invention according to claim 6 is a rotary blade for cutting a workpiece, a base that rotatably supports the rotary blade in a state in which a part of the rotary blade protrudes to the back side, A cover that is provided on the front side and covers the rotary blade, and two legs that are arranged on the back side of the base and spaced apart from both surfaces of the rotary blade so that the distance between them can be adjusted. And a plurality of rollers provided on the back side of both leg portions at a distance in the longitudinal direction of the leg portions.

  In the present invention according to claim 1, since the material to be cut is sandwiched between the annular lower frame and the upper frame from which the central portion is removed, even when the lower frame and the upper frame having a relatively large width are used, The weight of the entire cutting machine can be reduced as much as possible, and the cutting machine can be easily carried. Further, since the material to be cut is sandwiched between the lower frame and the upper frame, the material to be cut by the lower frame and the upper frame is widely supported, and the material to be cut having a large area can be stably clamped and fixed. .

  In addition, since the upper frame and the lower frame are connected to each other by a hinge portion so that the distance between the upper frame and the lower frame can be changed, the upper frame and the lower frame can be cut even if the workpiece is relatively high in size. The material to be cut can be sandwiched between the frame while maintaining the parallelism of the upper frame and the lower frame. The upper frame is locked by the stopper provided on the lower frame so that it can swing and extend, so that the upper frame is fixed by the stopper, preventing the posture of the material to be cut during the cutting operation. Thus, the material to be cut can be cut along a required line.

  On the other hand, between the two rails provided parallel to each other on the upper frame, the base of the main body with a part of the rotary blade protruding to the back side is supported slidably in the longitudinal direction of both rails. The material to be cut can be reliably and easily cut on a predetermined line.

  In addition, the main body is provided with a cover that covers the rotary blade, and a receiving groove portion that receives chips generated when the workpiece is cut by the rotary blade protrudes from the back side of the base of the rotary blade. Further, since the peripheral edge portion is constructed so as to surround the moving track, it is possible to prevent the chips from being scattered around the cutting machine as much as possible.

  In the present invention according to claim 2, since the main body is configured such that the base is detachably mounted on both rails, the cutting machine is carried separately into the main body, the lower frame and the upper frame. And the cutting machine can be carried more easily.

  According to the third aspect of the present invention, the upper frame can be supported between the lower frame and the upper frame in such a state that the upper frame is supported by the upper frame support portion in a predetermined open posture. Therefore, the operator does not need to support the upper frame, and can place the work to be cut with both hands.

  In the present invention described in claim 4, the abutting portion that abuts the edge of the material to be cut is provided on the lower frame so as to change the angle formed with the lower frame in order to determine the posture of the material to be cut. Therefore, the material to be cut can be reliably cut at a required angle.

  In this invention of Claim 5, since the lower frame and the upper frame are comprised with the pipe material, a lower frame and an upper frame can be reduced more in weight.

  In the present invention of claim 6, in a state where a part of the rotary blade for cutting the material to be cut is protruded to the back side, two legs are provided on the back side of the base that rotatably supports the rotary blade, A distance from each side of the rotary blade is provided such that the distance between the rotary blades can be adjusted. A plurality of rollers are provided on the back side of the both leg parts at a distance in the longitudinal direction of the leg parts. In such a cutting machine, a plurality of grooves such as square corrugated plates or so-called K spans are formed in a stripe shape, and the distance between the two leg portions is determined with respect to the material to be cut having a height dimension. It adjusts so that it may fit in the groove | channel adjacent to each other, and it guides both legs of a cutting machine with both grooves of a material to be cut, and cuts a portion between both grooves of a material to be cut with a rotary blade . Therefore, it is possible to stably fix the material to be cut having a large area, to prevent the posture of the material to be cut during the cutting operation, and to cut the material to be cut along a required line.

  On the other hand, since a cover for covering the rotary blade is provided on the front side of the base, it is possible to prevent the chips from being scattered around the cutting machine as much as possible.

  The cutting machine of the present invention connects a lower frame on which a material to be cut is placed and an upper frame that sandwiches the material to be cut between the lower frame by a hinge portion so that the distance between the two can be changed. It is. Two rails are provided on the upper frame in parallel with each other, and a base provided on the main body is supported between the rails so as to be slidable in the longitudinal direction. A rotary blade that cuts the material to be cut is supported on the base in such a manner that a part of the rotary blade protrudes to the back side of the base, and a cover that covers the rotary blade is provided on the front side of the base. In addition, a receiving groove portion that receives chips generated when the workpiece is cut by the rotary blade is installed on the lower frame so as to surround a track on which the peripheral edge protruding to the back side of the base of the rotary blade moves. A stopper for prohibiting the opening operation of the upper frame is provided on the lower frame so as to be swingable and extendable.

  Moreover, this main body can be comprised by mounting the said base on both rails so that attachment or detachment is possible.

  By the way, an upper frame support portion capable of supporting the upper frame in a predetermined open posture is provided.

  On the other hand, in order to determine the posture of the material to be cut, the abutting portion that abuts the edge of the material to be cut is provided on the above-described lower frame so that the angle formed with the lower frame can be changed.

  Further, the lower frame and the upper frame are made of a pipe material.

  By the way, another cutting machine of the present invention includes a rotary blade for cutting a material to be cut, a base that rotatably supports the rotary blade in a state where a part of the rotary blade protrudes to the back side, and the base. Two strips provided on the front side of the table, provided with a cover that covers the rotary blade, and arranged on the back side of the base and at a distance from both surfaces of the rotary blade so that the distance between them can be adjusted. The legs are provided, and a plurality of rollers are provided on the back side of both legs at a distance in the longitudinal direction of the legs.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

Example 1
1 to 5 are a front view, a rear view, one side view, another side view, and a plan view showing the cutting machine according to the first embodiment, and FIG. 6 is VI-VI of the cutting machine shown in FIG. It is sectional drawing by a line. FIG. 7 is an explanatory view for explaining a method of cutting a material to be cut by the cutting machine shown in FIG. 1, and FIG. 8 is a partially broken view of the cutting machine shown in FIG. As shown in each of these drawings, the cutting machine 1 has a metal rectangular frame-like lower frame part 10 and a length dimension substantially the same as the length dimension of the lower frame part 10, and the width of the lower frame part 10. A metal rectangular frame-shaped upper frame portion 12 having a width slightly smaller than the size, and a main body 13 slidably supported by the upper frame portion 12 are provided.

  The lower frame portion 10 includes a lower frame 101 formed by connecting square pipes in a rectangular frame shape. Between the short side portions of the lower frame 101, a rectangular C-shaped receiving groove portion 102 obtained by cutting the upper surface central axis of a square pipe having the same height as the lower frame 101 into a strip shape to receive chips, Supporting to support the receiving groove portion 102 between the receiving groove portion 102 and both long side portions of the lower frame 101, being constructed in parallel with the long side, slightly longer than the central axis of the frame 101. Arms 102a and 102a are interposed.

  An inverted L-shaped protruding portion 103 is provided on one side edge of the other long side portion of the lower frame 101, and an angle member is supported by an arcuate annular arm on the protruding portion 103. A contact member 104 that abuts the side edge of the material to be cut against the angle material to determine the cutting posture of the cutting material is pivotable within the upper surface of the overhanging portion 103 at a position near one end of the angle material. It is supported. In the arc-shaped annular arm of the abutting member 104, a butterfly screw screwed to the overhanging portion 103 is penetrated, and the abutting member 104 is loosened to rotate the abutting member 104 to a required angle. The angle of the contact member 104 can be adjusted by tightening the butterfly screw in this state.

  One end side of lower support pieces 111 and 111 of hinge portions 11 and 11 for rotatably supporting an upper frame portion 12 to be described later is fixed to the other side edges of both long side portions of the lower frame 101. The other ends of the lower support pieces 111 and 111 are made to protrude appropriately from the upper surface of the lower frame 101. Oval holes 112, 112 are formed in the protruding portions of the lower support pieces 111, 111, and pivots 113, 113 that pivotally support the upper frame portion 12 in both the oval holes 112, 112 have one end thereof. Are slidably passed through the oblong holes 112 and 112 in such a manner as to project outside the lower support pieces 111 and 111. Further, pins 115 and 115 are erected in the vicinity of one end of both lower support pieces 111 and 111, and springs 114 and 114 are installed between the pivots 113 and 113 and the pins 115 and 115 facing each other. It is.

  Similar to the lower frame portion 10 described above, the upper frame portion 12 includes an upper frame 120 formed by connecting square pipes in a rectangular frame shape, and on the other side edge of both long side portions of the upper frame 120. The trapezoidal upper support pieces 117 and 117 are fixed in such a manner that their upper bottom portions protrude from the upper frame 120, and the other ends of the pivots 113 and 113 are attached to the protruding portions of the upper support pieces 117 and 117, respectively. It is fixed through.

  In addition, an end-sized rod-shaped handle portion 122 projects from the center of the outer surface of one short side portion of the upper frame 120, and the handle portion 122 is turned upside down attached to the lower frame 101. A first stopper 105 having a letter plate shape is hooked. The head of the first stopper 105 is extendable in the longitudinal direction, and is fixed by a butterfly screw 106. Further, the first stopper 105 is biased by the spring 108 so as to rotate toward the handle portion 122, and when the upper frame portion 12 in the opened state is closed, the handle portion 122 is moved to the first stopper 105. The first stopper 105 is rotated in a direction away from the handle portion 122 and the upper frame portion 12 is closed, and the first stopper 105 is rotated by the urging force of the spring 108. The handle portion 122 is hooked.

  On the other hand, rails 121, 121 protrude from the inner surfaces of both long side portions of the upper frame 120 in substantially the center position in the height direction over substantially the entire region in the longitudinal direction of both long side portions. The main body 13 described later is supported by the rails 121 and 121 so as to be slidable in the longitudinal direction of the rails 121 and 121.

  The main body 13 is configured by attaching an electric circular saw 131 on a rectangular box-shaped receiving tray 130 for receiving chips, and the side portions on both long sides of the receiving tray 130 are made of a synthetic resin having a U-shaped side view. Two sliders 140 and 140 are fixed. And the saucer 130 is supported by the both rails 121 and 121 so that both sliders 140 and 140 are fitted on the corresponding rails 121 and 121 and can slide in the longitudinal direction thereof. In addition, a belt-like opening that is appropriately long is formed in a portion that is slightly longer than the central axis of the tray 130 and that faces the receiving groove 102, and the rotary blade of the electric circular saw 131 is opened from this opening. A part of 132 is protruded. Moreover, the motor part 134 of the electric circular saw 131 is in a posture protruding from the other long side of the tray 130.

  In addition to the rotary blade 132 and the motor unit 134 described above, the electric circular saw 131 includes a semi-disc-shaped upper cover 137 that covers the upper portion of the rotary blade 132 and an adjustment screw 138 for adjusting the vertical position of the rotary blade 132. And a handle part 133 provided on the outer surface of the motor part 134, and the upper cover 137 moves up and down while maintaining a predetermined distance from the rotary blade 132 as the vertical position of the rotary blade 132 is adjusted. It is like that.

  A side cover 135 is disposed on one long side of the tray 130. The side cover 135 is erected on the tray 130, and the edge of the side plate part 135a whose edge is shaped into a convex parabolic shape that protrudes upward is positioned at a substantially central position in the width direction of the upper cover 137. A belt-like roof portion 135b that reaches the position of the upper edge 137 is projected so as to follow the edge portion, so that the side cover 135 receives chips scattered from the side portion of the rotary blade 132 that cannot be covered by the upper cover 137. It has become.

  Further, on the other short side of the saucer 130, a rectangular box-shaped rear cover 136 having a height substantially the same as the height from the saucer 130 to the lower edge of the upper cover 137 and substantially the same length as the short side of the saucer 130. Is arranged. The bottom of the rear cover 136 and one side facing the rotary blade 132 are open, and a part of the rotary blade 132 is inserted into a strip-shaped notch provided on the ceiling of the rear cover 136. Further, the side cover 135 is formed on the rear cover 136, the side surface of the rear cover 136 and the side plate portion 135a of the side cover 135 are flush with each other, and the ceiling of the rear cover 136 and the roof portion 135b of the side cover 135 are arranged. It is connected to communicate.

  On the other hand, on the upper surface of the short side portion on one side of the upper frame 120 described above, a rollover-shaped second stopper 123 that is hooked on the tray 130 is provided so as to be swingable in the vertical direction. Is hung on the edge of the tray 130 or the like so that the movement of the tray 130 on the rails 121 and 121 can be prohibited.

  In order to cut the workpiece T such as a square wave plate by such a cutting machine, the height of the head of the first stopper 105 is set in advance according to the height dimension of the workpiece T as shown in FIG. The material to be cut is applied to the abutting member 104 which is adjusted and the material T to be cut between the lower frame portion 10 and the upper frame portion 12 at a required opening (approximately 90 ° in FIG. 7). Clamping with the side of T abutting. At this time, since the first stopper 105 is hooked on the handle portion 122 as described above, even if the workpiece T has a relatively large height, the workpiece T is cut by the upper frame portion 12. Fixed. On the other hand, since the pivots 113 and 113 move in the oblong holes 112 and 112 according to the height dimension of the material to be cut T, the upper frame portion 12 is held substantially in parallel with the lower frame portion 10 and the material to be cut. It is possible to prevent a cutting failure from occurring in T.

  Then, the main body 13 disposed on the other end of the upper frame portion 12, that is, on the pivots 113 and 113 side, is driven to rotate the rotary blade 132 in the direction of the arrow in FIG. The workpiece T is cut by moving from the other side end of the upper frame portion 12 to the one side end along the rails 121 and 121 as indicated by the symbols. At this time, chips generated by cutting the material to be cut T are mainly scattered in the receiving groove portion 102 arranged in the lower frame portion 10 and the rear cover 136 arranged in the main body 13 and captured there. Further, chips scattered above and to the side of the rotary blade 132 are also captured in the upper cover 137 and the side cover 135. Thereby, the chips of the material T to be cut are prevented as much as possible from being scattered around the cutting machine.

  On the other hand, even if the workpiece T has a relatively large height, since the workpiece T is fixed by the upper frame 120 and the lower frame 101 and the first stopper 105 having a relatively large width, the workpiece T is being cut. The cut material T is prevented from shifting, and the cut material T can be accurately cut on a required line. In addition, since the posture of the material T to be cut with respect to the rotary blade 132 can be determined simply by making the contact member 104 abut the side edge of the material T to be cut, the cutting posture of the material T to be cut is easily determined. be able to.

  By the way, since both the upper frame 120 and the lower frame 101 are formed in a frame shape using square pipes, the weight of the upper frame 120 and the lower frame 101 is reduced even when their width dimensions are relatively large. It can be as light as possible, and the total weight of the cutting machine can be as light as possible. Therefore, the cutting machine can be easily carried.

  Further, the opening of the upper frame portion 12 is prohibited by the first stopper 105, and the main body 13 is prohibited from moving on the rails 121, 121 by the second stopper 123, so that the cutting machine 1 can be moved safely. be able to.

(Example 2)
FIG. 9 is a partially broken side view showing the cutting machine according to the second embodiment, in which the main body 13 is detachable from the upper frame portion 12. In addition, this figure respond | corresponds to FIG. 6 which shows the cutting machine 1 which concerns on Example 1 mentioned above, In FIG. 9, the same number is attached | subjected to the part corresponding to FIG. 6, and the description is abbreviate | omitted. .

  As shown in FIG. 9, in this cutting machine 2, inverted L-shaped sliders 142 and 142 are attached to the side portions on both long sides of the tray 130, and the protrusions of both sliders 142 and 142 are provided. The tray 130 of the main body 13 is detachably mounted on the rails 121 and 121 so that the portions 142a and 142a are slidably supported by the corresponding rails 121 and 121, respectively.

  In such a cutting machine, since the lower frame part 10 and the upper frame part 12 and the main body 13 can be carried separately, the cutting machine 2 can be carried more easily.

(Example 3)
10 to 15 are a front view, a rear view, one side view, another side view, a plan view, and a bottom view showing the cutting machine according to the third embodiment, and FIGS. 16 to 18 are shown in FIG. It is sectional drawing by the XVI-XVI line of the cutting machine 3, XVII-XVII line, and XVIII-XVIII line. 19 and 20 are a perspective view and a side view for explaining a method of cutting a material to be cut by the cutting machine 3 shown in FIG. The cutting machine 3 according to the present embodiment is applied to a case in which a material to be cut in which a plurality of grooves such as square wave plates or K spans are formed in a stripe shape is cut vertically.

  The cutting machine 3 includes an electric circular saw 32 mounted on a rectangular box-shaped tray 30 that receives chips, and strip-shaped flange portions 40, 40 on both short sides of the long side of the tray 30. Projecting so as to be flush with the bottom surface of the tray 30, and the flanges 40, 40 are respectively provided with long holes 40a, 40a, 40a, 40a that form a long pair in the longitudinal direction. It is established with a gap. On the back side of the saucer 30, square bar-shaped leg portions 41, 41 are arranged. Both leg portions 41, 41 are provided with bolts erected in the vicinity of both ends, and long holes 40a of both flange portions 40, 40. , 40a, 40a, 40a, and a butterfly nut is screwed into the head of each bolt part, so that the distance between both leg parts 41, 41 is adjustable and fixed.

  A plurality of concave portions 42, 42,..., 42, 42,... Are provided at appropriate intervals in the longitudinal direction on the back surfaces of the leg portions 41, 41. The concave portions 42, 42,. ... inside the rollers 43, 43, ..., 43, 43, ..., the length of the legs 41, 41 is such that a part of the peripheral surface protrudes from the recesses 42, 42, ..., 42, 42, ... It is rotatably arranged around an axis orthogonal to the direction.

  A belt-shaped opening 31 that is appropriately long is provided in parallel with the side edge on the long side of the saucer 30 slightly longer than the central axis of the saucer 30 described above. A part of the 32 rotary blades 34 is projected. Moreover, the motor part 33 of the electric circular saw 32 is in a posture protruding from the other long side of the tray 30.

  In addition to the rotary blade 34 and the motor unit 33 described above, the electric circular saw 32 includes a semi-disc-shaped upper cover 36 that covers the upper part of the rotary blade 34, and a handle portion 35 provided on the outer surface of the motor unit 33. The upper cover 36 moves up and down at a predetermined distance from the rotary blade 34 as the vertical position of the rotary blade 34 is adjusted.

  A side cover 37 is disposed on one long side of the tray 30. The side cover 37 is erected on the tray 30, and the edge of the side plate part 37 a whose edge is shaped like a convex parabola that protrudes upward is positioned at a substantially central position in the width direction of the upper cover 36. A band-shaped roof portion 37b that reaches the position of the upper edge 36 is projected so as to follow the edge portion, so that the side cover 37 receives chips that cannot be covered by the upper cover 36 and scattered from the side portion of the rotary blade 34. It has become.

  In addition, on the other short side of the saucer 30, a rectangular box-shaped rear cover 38 having substantially the same height as the height from the saucer 30 to the lower edge of the upper cover 36 and substantially the same length as the short side of the saucer 30. Is arranged. The bottom of the rear cover 38 and one side facing the rotary blade 34 are open, and a part of the rotary blade 34 is inserted into a band-shaped notch provided on the ceiling of the rear cover 38. Further, the side cover 37 is arranged on the rear cover 38, the side surface of the rear cover 38 and the side plate portion 37a of the side cover 37 are flush with each other, and the ceiling of the rear cover 38 and the roof portion 37b of the side cover 37 are formed. It is connected to communicate.

  In addition, the width of the portion of the roof portion 37b of the side cover 37, which is opposite to the rear cover 38, increases toward the tray 30. The front cover As a role.

  In order to longitudinally cut the workpiece T in which a plurality of grooves Ta, Ta,... Such as square wave plates or K spans are formed in a stripe shape by such a cutting machine 3, it is shown in FIGS. As described above, both leg portions 41 and 41 of the cutting machine 3 are in sliding contact with the adjacent grooves Ta and Ta of the material to be cut T, and both leg portions 41 and 41 are in sliding contact with inner surfaces of the grooves Ta and Ta. In the state where the dimension between 41 and 41 is adjusted in advance and the rotary blade 34 is driven to rotate by the motor unit 33, the leg units 41 and 41 are moved in the direction of the white arrow in FIG. It is moved so as to be inserted into the grooves Ta, Ta of the material T to be cut.

  Thus, since the cutting machine 3 cuts the workpiece T vertically along the grooves Ta, Ta of the workpiece T, the cutter T can be cut along a required line. Moreover, since this cutting machine 3 is the weight corresponded to the main body 13 of the cutting machine 1 shown in FIG. 1, the cutting machine 3 can be carried easily.

Example 4
FIG. 21 is a perspective view illustrating a cutting machine according to the fourth embodiment, in which a material T to be cut is sandwiched between an upper frame 120 and a lower frame 101. In the figure, parts corresponding to those shown in FIGS. 1 to 6 are designated by the same reference numerals and description thereof is omitted. Further, in the cutting machine 4 according to the present embodiment, the contact member 104 is disposed in the vicinity of the hinge portions 11 and 11.

  As shown in FIG. 21, a first arm 151 made of an angle material swings around a support shaft fixed to the side surface of the lower frame 101 at a position near one side edge of the other long side portion of the lower frame 101. It is attached as possible. The distal end portion of the first arm 151 is pivotally linked to the distal end portion of the second arm 152 that is swingably attached to the portion of the upper frame 120 that faces the first arm 151 using an angle member. When the upper frame 120 is opened until the first arm 151 and the second arm 152 are in a straight line, the angle portions of both arms 151 and 152 are engaged to support the upper frame 120 in its open position. It has come to be able to do.

  As described above, the upper frame support section 150 including the first arm 151 and the second arm 152 can support the upper frame 120 in a predetermined open posture, and therefore, the object to be cut between the upper frame 120 and the lower frame 101 is cut. The material T can be inserted with both hands, and even one person can work efficiently.

  Then, the upper frame 120 is closed by urging the link portions of the first arm 151 and the second arm 152 so that the engaged angle portions are released to bend the upper frame support portion 150, and the first stopper is closed. The material to be cut T is cut by sliding the rails 121 and 121 in the state where the handle 105 is engaged with the handle portion 122.

  By the way, on both upper surfaces of the lower frame 101 described above, band-shaped fixing parts 100, 100 using rubber magnets are attached, respectively, and the material T to be cut is attached by both fixing parts 100, 100. Adsorption is fixed. This further prevents the posture of the material T to be cut during the cutting operation.

  In the present embodiment, the upper frame support portion 150 is configured by linking the first arm 151 and the second arm 152. However, the present invention is not limited to this, and the first arm 151 provided to be swingable. Alternatively, the upper frame 120 may be stretched and supported by the second arm 152. Further, the first arm 151 and the second arm 152 are formed of an angle material, but the present invention is not limited to this, and the front end side portion of the second arm 152 is in contact with the front end side portion of the first arm 151. You may make it project a contact part.

1 is a front view showing a cutting machine according to Embodiment 1. FIG. It is a rear view which shows the cutting machine which concerns on Example 1. FIG. 1 is a side view showing a cutting machine according to Embodiment 1. FIG. It is another side view which shows the cutting machine which concerns on Example 1. FIG. 1 is a plan view showing a cutting machine according to Embodiment 1. FIG. It is sectional drawing by the VI-VI line of the cutting machine shown in FIG. It is explanatory drawing explaining the method to cut | disconnect a to-be-cut material with the cutting machine shown in FIG. It is a partially broken view of the cutting machine shown in FIG. It is a partially broken side view which shows the cutting machine which concerns on Example 2. FIG. It is a front view which shows the cutting machine which concerns on Example 3. FIG. It is a rear view which shows the cutting machine which concerns on Example 3. FIG. It is one side view which shows the cutting machine which concerns on Example 3. FIG. It is another side view which shows the cutting machine which concerns on Example 3. FIG. 1 is a plan view showing a cutting machine according to Embodiment 1. FIG. 1 is a bottom view showing a cutting machine according to Embodiment 1. FIG. It is sectional drawing by the XVI-XVI line of the cutting machine shown in FIG. It is sectional drawing by the XVII-XVII line of the cutting machine shown in FIG. It is sectional drawing by the XVIII-XVIII line of the cutting machine shown in FIG. It is a perspective view explaining the method of cut | disconnecting a to-be-cut material with the cutting machine shown in FIG. It is a side view explaining the method of cut | disconnecting a to-be-cut material with the cutting machine shown in FIG. It is a perspective view which shows the cutting machine which concerns on Example 4. FIG. It is an external appearance perspective view which shows the conventional cutting machine.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Cutting machine 10 Lower frame part 11 Hinge part 12 Main body 13 Main body 101 Lower frame 102 Receiving groove part 103 Overhang | projection part 104 Contact part 105 1st stopper 108 Spring 113 Axis 114 Spring 121 Rail 123 2nd stopper 130 Upper frame 131 Electric circle Saw 132 Rotating blade 133 Handle 134 Motor part 135 Side cover 135a Side plate part 135b Roof part 136 Rear cover 137 Upper cover 138 Adjustment screw 140 Slider T Material to be cut Ta groove

Claims (6)

A lower frame on which the material to be cut is placed;
An upper frame for sandwiching the material to be cut with a lower frame;
A hinge portion for connecting the upper frame and the lower frame so that the distance between them can be changed; and
Two rails provided parallel to each other on the upper frame;
A base that is slidably supported in the longitudinal direction between the rails, a rotary blade that partially protrudes from the back side of the base, and a cover that is provided on the front side of the base and covers the rotary blade A main body comprising:
The lower frame is constructed so as to surround a track on which the peripheral edge protruding to the back side of the base of the rotary blade moves, and a groove receiving portion for receiving chips generated when the workpiece is cut by the rotary blade When,
A cutting machine provided with a stopper that is swingably and telescopically provided on the lower frame and prohibits the opening operation of the upper frame.   The cutting machine according to claim 1, wherein the main body is configured such that the base is detachably mounted on both rails.   The cutting machine according to claim 1 or 2, wherein an upper frame support portion capable of supporting the upper frame in a predetermined open posture is provided.   The contact part which contacts the edge part of a to-be-cut material in order to determine the attitude | position of a to-be-cut material to the said lower frame is provided so that the angle which a lower frame makes is changeable. Cutting machine.   The cutting machine according to any one of claims 1 to 4, wherein the lower frame and the upper frame are made of a pipe material. A rotary blade for cutting the material to be cut;
In a state where a part of the rotary blade protrudes to the back side, a base that rotatably supports the rotary blade;
A cover provided on the front side of the base, covering the rotary blade;
Two legs that are arranged on the back side of the base and at a distance from both surfaces of the rotary blade so that the distance to each other can be adjusted;
A cutting machine comprising: a plurality of rollers provided on the back side of both leg portions at a distance in the longitudinal direction of the leg portions.

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