JP2005074861A - Clamping device which can freely fit hand carrying cutting machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a clamping device which can fix a work of a simple substance when the work is cut and fit a hand carrying cutting machine attachably/detachably to a prescribed position. <P>SOLUTION: A vice part 2 and a cutting machine fitting mechanism part 4 to which the hand carrying cutting machine 3 can be fitted attachably/detachably are set on a table 1. The handle 22 of the cutting machine 3 is fitted into a through hole 14 in the bracket 8 of the mechanism part 4, and the cap bolt 23 of a hand carrying cutting machine 3 main body is inserted into the engagement recess 15 of the bracket 8, so that the cutting machine 3 can be fitted attachably/detachably on the table 1. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention is a clamp device capable of cutting a workpiece by setting a hand-held cutting machine at a predetermined position.

  The hand-held cutting machine cuts the workpiece with the user holding the cutting machine body with circular saw teeth by hand, and can be moved freely to the place where it is used. It is also used at home.

  However, as described above, the hand-held cutting machine can be freely carried to perform cutting work. However, since the work needs to be fixed when cutting the work, it is incorporated into a certain structure, for example. When cutting materials such as single pipes, angles, and wood that are not in a fixed state, fix the workpieces separately with a vise or hold the workpieces with your feet in ordinary households. Cutting work was done.

  And when the vise is used, the workpiece is completely fixed, but the hand-held cutting machine will perform the cutting operation with the user holding it by hand. Skill is required. In addition, when cutting a workpiece while holding it with a foot in a general household as described above, the workpiece is cut by the side of the foot, and an external force is applied to the workpiece upon contact with the saw blade during cutting. There is a problem that the work is easy to move, the work itself is dangerous, and the precision of the work tends to be low.

  An object of the present invention is to provide a clamp device that can fix a workpiece when a single workpiece is cut, and can also attach a hand-held cutting machine to a predetermined position.

  The clamp device according to claim 1 is provided with a vise portion for fixing a work on a table, and a cutting machine attachment mechanism portion provided opposite to the vise portion, to which a hand-held cutting machine is detachably attached. The cutting machine mounting mechanism is pivotally supported on a table and is pivotally supported on a table. The substantially plate-shaped bracket is biased to the opposite side of the vise by a spring, and a stopper that stops the bracket at a predetermined position. And a through-hole for attaching a hand-held cutting machine formed near the tip of the bracket, and a fitting recess for attaching a hand-held cutting machine formed at the vise part side edge of the bracket. Fit the protruding part from the outer surface of the cutting machine and insert the male screw part of the handle removed from the body of the handheld cutting machine from one side of the through hole, while the handle is attached from the other side of the through hole Is by screwing both parts in a through hole by inserting the female threaded portion of the cutting machine body was one in which hand-held cutter is detachably attached to the bracket.

  According to a second aspect of the present invention, in the clamping device according to the first aspect, the portion protruding from the outer surface of the hand-held cutting machine is a bolt attached to the outer surface of the main body of the hand-held cutting machine. is there. That is, the portion protruding from the outer surface of the hand-held cutting machine according to claim 1 may be a part specifically provided for fitting into the fitting recess, or an existing bolt for assembling the body of the hand-held cutting machine. It may be.

  According to a third aspect of the present invention, there is provided the clamping device according to any one of the first to third aspects, wherein the motor portion of the hand-held cutting machine is provided on the vise portion side edge of the bracket of the cutting machine mounting mechanism portion. This is characterized in that a notch with which the corner portion of the contact is formed.

  According to a fourth aspect of the present invention, in the clamping device according to any one of the first to third aspects, one end is fixed to a stopper, and the other end is detachably attached to a saw blade cover of a hand-held cutting machine. A cover pulling mechanism provided on the outer surface of the hand-held cutting machine and having one or a plurality of guide rollers for guiding the string-like body is further provided.

  According to a fifth aspect of the present invention, in the clamping device according to any one of the first to fourth aspects, a workpiece chip receiving portion is provided opposite to a workpiece cutting position on the table. It is characterized by being.

  According to a sixth aspect of the present invention, in the clamp device according to any one of the first to fourth aspects, the vise further includes an angle adjusting mechanism.

  In the clamp of the present invention, when the work itself is fixed and high precision is not required for the cutting work, the work can be immediately cut by holding the hand-held cutting machine as it is, while the angle, channel, wood, etc. When cutting a piece of material that is not fixed, simply fix the work to the vise on the table, attach a hand-held cutting machine to the bracket facing the vise, and lower the hand-held cutting machine on the bracket. Can be cut easily and accurately. Therefore, since it is not necessary to hold and cut the workpiece with the foot as in the conventional case even in ordinary households, the safety of work is improved.

  Further, in the clamping device of the present invention, the existing hand-held cutting machine can be attached to the bracket using the existing handle in the hand-held cutting machine, the existing bolt that assembles the hand-held cutting machine body, etc. There is an advantage that there is no need to change the basic structure of the cutting machine itself.

  In addition, according to the clamping device of the present invention in which the corners of the motor part of the hand-held cutting machine are in contact with the edge part of the vise part in the bracket of the cutting machine mounting mechanism part, the hand-held cutting machine is In addition to the handle portion and the bolt portion (protruding portion) of the cutting machine main body, it is supported by the motor portion, so that the attachment stability of the hand-held cutting machine to the bracket is improved.

  Next, embodiments of the present invention will be described with reference to the drawings.

  As shown in FIG. 1, the clamp device is provided on a table 1 with a vise portion 2 for fixing a workpiece, and a vise portion 2 facing the vise portion 2, and a cutting machine attachment mechanism portion to which a hand-held cutting machine 3 is detachably attached. 4 is provided.

  As shown in FIGS. 1 and 2, in the cutting machine mounting mechanism portion 4, two blocks 6 </ b> A and 6 </ b> B are provided at both ends of the upper surface of the base 5 provided at the rear portion of the table 1, and between these blocks 6 </ b> A and 6 </ b> B. A rotary shaft 7 is attached, and a through hole 9 formed in a base portion 8 a of the bracket 8 is inserted through a central portion of the length of the rotary shaft 7. The base portion 8a of the bracket 8 is integrated with a sleeve 11 through which the left half portion of the rotating shaft 7 is inserted by welding. A coil spring 12 is attached to the right half of the rotating shaft 7, and the bracket 8 is urged to the opposite side of the vise portion 2 by the coil spring 12. A base portion of a substantially plate-like stopper 13 is fixed to the rear surface of the base 5, and the rear side edge of the bracket 8 urged by the coil spring 12 abuts on the front surface of the stopper 13, 8 is configured to be stopped in a substantially vertical state.

  As shown in FIGS. 1 and 3, the bracket 8 is plate-shaped, made of metal, slightly bent forward from the base 8a toward the tip 8b, and its width from the tip 8b to the base 8a. The shape gradually narrows toward the side. A circular through hole 14 for attaching a hand-held cutting machine is formed in a portion near the tip of the bracket 8. A hand-held cutting machine having a substantially U-shaped outer shape is formed at a vise portion side edge (front side edge) of the bracket 8. A fitting recess 15 for attachment is formed, and a notch 16 having a substantially L-shaped outer shape is provided above the fitting recess 15.

  Further, as shown in FIGS. 2 and 3, the front surface of the stopper 13 on the right side of the bracket 8 is inclined obliquely forward from the metal roof plate 17 inclined obliquely forward and the lower surface base portion of the roof plate 17. A rubber receiving plate 18 is provided, and after chips of the workpiece collide with the receiving plate 18, the chips hit the lower surface of the roof plate 17, and the chips are deposited on the table 1 without being scattered. .

  In FIG. 2, the receiving plate 18 is bent upward.

  Next, the procedure for attaching the hand-held cutting machine 3 to the bracket 8 will be described. After the handle 22 of the hand-held cutting machine 3 is turned and removed from the main body 3a of the hand-held cutting machine 3, as shown in FIG. 1 and 2, the cap bolt 23 protruding from the outer surface of the hand-held cutting machine 3 is slightly loosened, and the bolt shaft portion of the cap bolt 23 is fitted into the fitting recess 15 of the bracket 8, and the By tightening the cap bolt 23 again, the cap bolt 23 of the hand-held cutting machine 3 is held in the fitting recess 15. Thereafter, the female screw portion 24 to which the handle 22 of the handheld cutting machine 3 is screwed is inserted from the right side of the circular through hole 14 of the bracket 8, while the male screw portion 25 of the handle 22 is inserted into the circular through hole 14 of the bracket 8. The handle 22 of the hand-held cutting machine 3 is fixed in the circular through hole 14 by inserting from the left side and screwing the male screw portion 25 and the female screw portion 24 of the handle 22 again in the circular through hole 14. It becomes a state. Then, as shown in FIG. 5, the hand-held cutting machine 3 is finally supported by the bracket 8. Further, in this case, the motor portion 3b of the hand-held cutting machine 3 comes into contact with the notch 16 of the bracket 8 so that the hand-held cutting machine 3 is more stably supported by the bracket 8.

  As shown in FIGS. 1 and 5, one end of a string-like wire 21 is fixed to the upper end of the stopper 13, and the other end of the wire 21 is engaged with a saw blade cover 26 of the hand-held cutting machine 3. A mating hook 22 is fixed. Two guide rollers 27A and 27B are rotatably attached to the main body 3a of the hand-held cutting machine 3, and the wire 21 is supported by the bracket 8 in the vertical state as shown in FIG. In this state, the length extends from the upper end of the stopper 13 holding the bracket 8 to the tip of the saw blade cover 26 via the two guide rollers 27A and 27B.

  As shown in FIG. 8, the guide rollers 27A and 27B are inserted into portions near the tip of the long bolt 32 that penetrates the opposing walls 53b and 53c of the main body 3a of the hand-held cutting machine 3, and the collar 33 and the washer 34 are inserted. The long bolt 32 is rotatably mounted by a bearing 48 and a nut 35. The long bolt 32 is inserted into the main body 3a of the hand-held cutting machine 3 in place of the normal length bolt in the hand-held cutting machine 3, and therefore the holes 36a and 36b through which the long bolt 32 is passed. Is originally formed in the main body 3 a of the hand-held cutting machine 3. Therefore, the guide rollers 27A and 27B can be mounted without changing the basic structure of the hand-held cutting machine 3 itself.

  As shown in FIG. 6, a hook 28 is attached to the tip of the wire 21, and as shown in FIG. 7, the hook 28 has a substantially L-shaped band plate-like main body 28 a as viewed from the side, The main body portion 28a includes an engaging portion 28b bent from the one side portion to the main body portion 28a, and a flange portion 28c extending horizontally from the upper end of the main body portion 28a. A through hole 29 is formed.

  When the workpiece is cut in a state where the hook 28 is engaged with the saw blade cover 26 of the hand-held cutting machine 3, the workpiece is first fixed between the fixed vise 2a and the movable vise 2b in the vise portion 2, and then The workpiece is cut by pushing down the hand-held cutting machine 3 shown in FIG. 5 downward (in the direction of the arrow) against the coil spring 12. At this time, since the hook 22 at the tip of the wire 21 is engaged with the end portion of the saw blade cover 26 of the hand-held cutting machine 3, when the hand-held cutting machine 3 is pushed down, only the saw blade cover 26 is present. The saw blade 20 is pulled up by the wire 21 so as to be exposed from the saw blade cover 26. Further, a pin 31 is erected between the bracket 8 on the table 1 and the fixed vise 2a, and the guide plate 32 comes into contact with the upper end of the pin 31 when the hand-held cutting machine 3 is pushed down. Thus, the lower limit position of the hand-held cutting machine 3 is set. As described above, since the bracket 8 has a shape in which the width gradually decreases from the distal end portion 8b toward the base portion 8a, before the lower surface of the guide plate 32 of the hand-held cutting machine 3 contacts the upper end of the pin 31. The bracket 8 is prevented from coming into contact with the fixed vise 2a or the like.

  When the cutting of the workpiece is completed, the hand-held cutting machine 3 is moved upward again by the force of the coil spring 12 by supporting the hand-held cutting machine 3 by loosening the force pushing down the hand-held cutting machine 3. When the rear side edge of the bracket 8 abuts against the stopper 13, the upward movement of the hand-held cutting machine 3 is stopped.

  In the above-described embodiment, when cutting a rod-shaped workpiece, the length direction of the rod-shaped workpiece is 90 degrees with respect to the saw blade 20, but when adjusting so as to be able to cut at an angle smaller than 90 degrees As shown in FIGS. 9 and 10, the fixed vices 41a and 41b are fixed to the table 1 with bolts 42a, 42b, 43a, and 43b, and an arc-shaped notch is formed at the right end portion of the left main fixed vice 41a. 44, and when the main fixed vice 41a is rotated by an angle of 15 °, 30 °, 45 ° from the initial position, for example, with the bolt 42b as a fulcrum, the main fixed vise at those positions. Bolt holes 45a, 45b, and 45c are respectively opened so that 41a is fixed with bolts 42a. When the main fixed vise 41a is rotated by any one of the above angles, the bolts 43a and 43b of the auxiliary fixed vice 41b are loosened to remove the auxiliary fixed vice 41b, and then the main fixed vice 41a is moved to a predetermined angle. Set to. In the figure, 46 indicates a slit into which the saw blade 20 is inserted.

  The clamp device of the present invention can be used in various devices such as a hand-held cutting machine for cutting wood and a hand-held cutting machine for cutting metal materials.

It is a perspective view which shows the state before attaching a hand-held cutting machine to the clamp apparatus which concerns on this invention, Comprising: It is the figure which abbreviate | omitted the chip receiving part. It is a fragmentary perspective view which expands and shows the structure of the bracket lower part in the clamp apparatus of this invention. It is a fragmentary perspective view which expands and shows the structure of the chip receiving part in the clamp apparatus of this invention. It is a perspective view which shows the state which removed the handle from the hand-held cutting machine. It is a side view which shows the state which attached the hand-held cutting machine to the bracket in the clamp apparatus of this invention. It is a fragmentary perspective view which expands and shows the engagement state of the hook in the edge part of the saw blade cover of a handheld cutting machine. It is an expansion perspective view of a hook. It is sectional drawing of the cutting machine main-body part which shows an example of the attachment structure of a guide roller. It is a top view which shows other embodiment of a fixed vise. It is a top view which shows the state after angle adjustment of a fixed vise.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Table 2 Vise part 3 Hand-held cutting machine 4 Cutting machine attachment mechanism part 7 Rotating shaft 8 Bracket 12 Coil spring 13 Stopper 14 Through hole for cutting machine attachment 15 Fitting recessed part for cutting machine attachment 16 Notch

Claims (6)

A clamping device having a vise unit for fixing a work on a table, and a cutting machine mounting mechanism unit that is provided opposite to the vice unit and to which a hand-held cutting machine is detachably mounted. The part is pivotally supported on the table and formed in a substantially plate-like bracket that is biased to the opposite side of the vise part by a spring, a stopper that stops the bracket at a predetermined position, and a portion near the tip of the bracket Having a through-hole for attaching a hand-held cutting machine and a fitting recess for attaching a hand-held cutting machine formed at the vise portion side edge of the bracket, and a portion protruding from the outer surface of the hand-held cutting machine in the fitting recess Insert the male screw part of the handle removed from the main body of the hand-held cutting machine from one side of the through hole, while the female screw of the cutting machine main body to which the handle was attached from the other side of the through hole Insert the by screwing both parts in a through hole, hand cutter is detachably attached to the bracket, the clamping device. The clamping device according to claim 1, wherein the portion protruding from the outer surface of the hand-held cutting machine is a bolt attached to the outer surface of the main body of the hand-held cutting machine. The clamp apparatus of Claim 1 or Claim 2 with which the notch which the corner | angular part of the motor part of a hand-held cutting machine contact | abuts was formed in the vise part side edge part in the bracket of a cutting machine attachment mechanism part. A string-like body whose one end is fixed to the stopper and the other end is detachably attached to the saw blade cover of the hand-held cutting machine, and one or a plurality of guide rollers provided on the outer surface of the hand-held cutting machine and guiding the string-like body The clamp apparatus as described in any one of Claims 1-3 further provided with the cover pulling-up mechanism part which has these. The clamp apparatus as described in any one of Claims 1-4 in which the chip receiving part of a workpiece | work is provided facing the workpiece | work cutting location on a table. The clamp apparatus as described in any one of Claims 1-5 in which a vise further has an angle adjustment mechanism part.

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