JPH0593775U - Woodworking material holding device - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a woodworking material holding device capable of firmly pressing and fixing wood when it is cut by a saw. [Structure] A base 12 is installed on a work table 11, and a guide member 13 is provided along the longitudinal direction of the base 12.
At least one first pressing member 16 is fixed at an arbitrary position in the middle of the guide member 13, and at least one end of the base 12 can be moved forward and backward with respect to the first pressing member 16 by a handle operation. A second pressing member 25 for sandwiching and fixing the wood X with the pressing member 16 is provided. The height of the second pressing member 25 is vertically adjustable with respect to the base 12.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 TECHNICAL FIELD The present invention relates to a material holding device for woodworking, which is used for work learning in schools and the like.

[0002]

[Prior Art]

 As a part of school education, in the upper grades of elementary school and junior high school, woodworking classes are obligatory for both men and women. In this woodworking class, wood is distributed to students, the students cut it into a desired size with a saw, and assemble the cut wood pieces by gluing or nailing to create bookends, accessory cases, etc. is doing.

By the way, in order to cut wood into a predetermined size with a saw, a cutting line is used to draw a cutting line on the wood, and the cutting line is cut by applying saw teeth, and sawing is performed along the cutting line. At that time, wood is placed on the upper surface of the work table, and while holding the wood with one hand, a saw is cut with one hand along the cutting line.

[0004]

[Problems to be solved by the device]

 However, even if the wood is pressed with one hand, the force is weak, so when cutting the wood with a saw, it is difficult for the wood to touch in the front-back direction and cut straight along the cutting line, especially for female students. Is very difficult due to its weak strength.

The present invention has been made in view of the above circumstances, and an object thereof is to enable the wood to be firmly pressed and fixed when the wood is cut by a saw, which corresponds to the size of the wood. The presser member can be set by pressing the presser member, and the presser member can be moved up and down to adjust the vertical height of the presser member according to the usage state, and a woodworking material holding device that is easy to handle is provided. Especially.

[0006]

[Means for Solving the Problems]

 In the woodworking material holding device of the present invention, in order to achieve the above-mentioned object, a base installed on a workbench, a guide member provided along the longitudinal direction of the base, and a guide member of the guide member are provided. At least one first pressing member fixed at an arbitrary position on the way, and a first pressing member which is provided at at least one end of the base and can be moved forward and backward with respect to the first pressing member by a handle operation. And a second pressing member for sandwiching and fixing wood between and, and the second pressing member is configured to support the base in a vertically adjustable height manner.

[0007]

[Action]

 According to the material holding device for woodworking configured as described above, first, the first pressing member is fixed to an arbitrary position in the middle of the guide member of the base. Next, the height of the second pressing member is adjusted in the vertical direction with respect to the base, and the second pressing member is moved back and forth with respect to the first pressing member by operating the handle, so that the wood is changed to the first pressing member. It is clamped with the second pressing member.

[0008]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings.

1 to 6 show a first embodiment. As shown in FIG. 1, 11 is a work table as a work table, and 12 is a base that is installed on the upper surface of the work table 11 by bolts (not shown). The base 12 is a vertically long rectangular parallelepiped made of wood. A guide member 13 made of a metal plate is provided along the longitudinal direction of the base 12. A plurality of screw holes 14 are formed at equal intervals in the center of the guide member 13. Two parallel grooves 15 are provided on both sides of the guide member 13 along the longitudinal direction.

Further, as shown in FIGS. 1 to 3, two first pressing members 16 are attached at positions of arbitrary screw holes 14 in the guide member 13. The first pressing member 16 is composed of a trapezoidal plate-shaped slider 17, and a side plate 18 is erected on the side surface of the slider 17. Flat plate-like magnets 19 are attached to the outer surfaces of the side plates 18.

Further, the slider 17 is provided with a holding portion 20 standing upright from the side plate 18. A rubber plate 21 is attached and fixed to the outer surface of the holding portion 20. A protrusion 17a is provided on the back surface of the slider 17 so as to engage with the groove 15 of the guide member 13. Further, when the first pressing member 16 is rotated 90 degrees with respect to the base 12, the protrusion 17a is configured to engage with the concave groove 15 on the opposite side.

The first pressing members 16 are arranged on the guide member 13 with the rubber plates 21 of the pressing portions 20 facing each other toward the outer end side of the base 12. A through hole is formed in the substantially central portion of the first pressing member 16, and a tightening screw 22 is rotatably inserted into the through hole and is tightened in an arbitrary screw hole 14 in the middle of the guide member 13. As a result, the first pressing member 16 is detachably fixed to the guide member 13.

As shown in FIGS. 1 to 4, second pressing members 25 are provided at both ends of the base 12. That is, the mounts 25a are provided at both ends of the base 12, and the mounts 25a are provided with guide holes (not shown) and nuts 29.

A slide rod 26 is projectingly provided on the second pressing member 25, is slidably inserted into a guide hole of the mounting base 25 a, and is provided with a screw rod 27 projecting substantially at the center of the second pressing member 25. Is screwed onto the nut 29. A handle 28 is fixed to the base end of the screw rod 27. That is, the handle 28 is configured to rotate the screw rod 27, and the second pressing member 25 can be moved forward and backward with respect to the first pressing member 16 by operating the handle 28. ..

As shown in FIG. 6, the second pressing member 25 includes a movable portion 31 to which the rubber plate 30 is fixed and a support portion 32 which selectively supports the movable portion 31 so as to be vertically movable. It is configured. The support portion 32 is provided with a pair of recesses 32a on both sides of the screw rod 27, and a ball 33 biased in a protruding direction by a spring 34 is provided inside the recess 32a so as to be capable of projecting and retracting. ..

The movable portion 31 is provided with three hemispherical engagement recesses 35 a, 35 b, 35 c which are selectively engaged with the ball 33 and which are vertically separated from each other. That is, the movable portion 31 is configured so that it can be positioned and set by adjusting the height of the movable portion 31 in three steps above, in the middle, and below.

Next, when the wood X as shown in FIG. 1 is cut by using the woodworking material holding device configured as described above, the first holding portion is selected according to the size of the wood X to be cut. The material 16 can be fixed to the guide member 13.

That is, when the wood X is cut by a saw in the horizontal direction, the first pressing member 16 is located in the vicinity of the end of the guide member 13, and when the wood X is cut in the vertical direction, the first pressing member 16 is pressed. Position the member 16 at a position away from the end of the guide member 13, and with the rubber plate 21 of the first pressing member 16 facing the second pressing member 25, tighten the tightening screw 22 into the screw hole 14. The first pressing member 16 is fixed to the guide member 13 by tightening.

Next, the wood X to be cut is placed on the upper surface of the base 12, and the cutting line Y of the wood X is positioned on the magnet 19 of the first pressing member 16, while the second pressing member 2 is placed. The movable part 31 of No. 5 is positioned on the upper stage as shown by a virtual line in FIG. Then, when the handle 28 is operated to rotate the screw rod 27, the screw rod 27 is screwed into the nut 29, and the second pressing member 25 is guided by the slide rod 26 and is moved to the first pressing member 16. Move forward.

Therefore, the wood X is clamped and fixed by the first pressing member 16 and the second pressing member 25. In this case, since the first and second pressing members 16 and 25 are provided with the rubber plates 21 and 30, the rubber plates 21 and 30 come into contact with the wood X. No scratches due to pressure.

After fixing the wood X, when the saw teeth are applied to the cutting line Y of the wood X, the saw is a steel plate, so the magnet 19 is magnetically attracted, and in this state, by pushing and pulling the saw back and forth, The saw can be sawn while being attracted by the magnetic attraction force of the magnet 19, and can cut the wood X straight along the cutting line Y.

Since the wood X to be cut in this way can be securely held and fixed by the woodworking material holding device, it is not necessary to press and fix the wood X with one hand as in the conventional case, and a saw with both hands can be used for sawing. As a result, both men and women of elementary school and junior high school can easily perform sawing operations and have high safety.

Further, the woodworking material holding device can also be used when hanging the wood X. In this case, the tightening screw 22 of the first pressing member 16 is loosened and pulled out from the screw hole 14, so that the first pressing member 16 is removed from the base 12.

The height of the movable part 31 of the second pressing member 25 is adjusted to the upper stage or the middle stage according to the plate thickness of the wood X to be hooked, and the height is adjusted to be lower than the upper surface of the wood X. One end surface of the wood X placed on the upper surface is brought into contact with the rubber plate 30 of the second pressing member 25.

In this state, the upper surface of the wood X can be scraped off by applying the plane to the upper surface of the wood X and pulling it toward the front side. In this case, since one end surface of the wooden piece X is in contact with the rubber plate 30 of the second pressing member 25, the wooden piece X does not move, and the hooking operation can be easily performed, and the safety is high. ..

Furthermore, when the material holding device for woodworking is not used, the movable part 31 of the second pressing member 25 is pushed down to the lower stage so that the movable part 31 is flush with the base 12 and there is no protrusion. It's safe.

Further, by providing the first and second pressing members 16 and 25 on both ends of the base 12 so as to face each other, a plurality of people can simultaneously practice on one work table 11. There is an effect on the embodiment that

FIG. 7 and FIG. 8 show the second embodiment, and the same parts as those of the first embodiment are designated by the same reference numerals and the description thereof will be omitted. In this embodiment, woodworking material holding devices are integrally provided on both sides of the work table 11. That is, the upper surfaces of the base 12 and the work table 11 are flush with each other.

Therefore, the tightening screw 22 is loosened, the engagement between the projection 17a and the groove 15 is released, and as shown in FIG. 7, the first pressing member 16 is rotated 90 degrees about the tightening screw 22 to move the projection. The first pressing member 16 can be fixed to the guide member 13 by engaging the groove 17a on the opposite side with the groove 17a and then tightening the tightening screw 22 again.

Therefore, as shown by the phantom line in FIG. 7, it is possible to place the wood X, which is a large flat plate, on the work table 11 and hook it. In this case, by arranging the two first pressing members 16, 16 provided on the base 12 so as to be spaced apart from each other, the entire work table 11 can be used as a hooking base.

FIG. 9 shows a third embodiment, and the same parts as those of the first embodiment are designated by the same reference numerals and the description thereof will be omitted. A channel type angle is provided in place of the screw hole 14 of the guide member 13 of the first and second embodiments.

That is, the base 12 is provided with a recess 41, and the channel-shaped angle guide member 40 with the opening 40 a facing upward is embedded in the recess 41. An elliptical stopper 42, which is movable in the longitudinal direction of the guide member 40 but cannot rotate in the rotating direction, is housed inside the guide member 40. A screw hole 43 is formed in the center of the stopper 42.

On the other hand, a through hole 44 is formed in the central portion of the first pressing member 16, and a screw portion 46 engraved in the small diameter portion of the tightening screw 45 penetrates through the through hole 44. The screw portion 46 is screwed into the screw hole 43 of the stopper 42.

Therefore, the first pressing member 16 can be freely moved to any position in the longitudinal direction of the guide member 40, and by tightening the tightening screw 45 at a desired position, the screw portion 46 is screwed into the screw hole of the stopper 42. The stopper 42, which is screwed into the shaft 43 and whose rotation is restricted, rises and is pressed against the inner surface of the upper portion of the guide member 40, and the first pressing member 16 is pressed against the upper surface of the guide member 40 by the tightening screw 45. Therefore, the guide member 40 is fixed.

According to the third embodiment, the same action and effect as those of the first embodiment can be obtained, and the first pressing member 16 can be fixed at an arbitrary position of the guide member 13. Since the first pressing member 16 can be set according to the size of X, the handle operation amount of the second pressing member 25 is reduced.

FIG. 10 shows a modification of the third embodiment, in which a dovetail groove guide member 47 is provided in place of the channel type angle guide member 40, and is similar to the third embodiment. The work and effect are obtained.

[0037]

[Effect of the device]

 Since the present invention is configured as described above, the wood material can be firmly pressed and fixed when the wood is cut by the saw, and the presser member can be set according to the size of the wood and the presser foot can be set. By vertically moving the member, the vertical height of the pressing member can be adjusted according to the usage mode.

Therefore, it is not necessary to press and fix the wood with one hand as in the conventional art, and the saw can be sawn with both hands, so that both elementary and junior high school students can easily perform the sawing operation. Highly safe. In addition, it is possible to obtain an effect that wood can be pressed by pressing the wood with the pressing member.

[Brief description of drawings]

FIG. 1 is a perspective view showing a woodworking material holding device according to a first embodiment of the present invention.

FIG. 2 is a plan view of the woodworking material holding device according to the embodiment.

FIG. 3 is a side view of the woodworking material holding device according to the embodiment.

FIG. 4 is a rear view of the woodworking material holding device according to the embodiment.

FIG. 5 is an end view of the woodworking material holding device according to the embodiment.

FIG. 6 is an enlarged cross-sectional view of a second pressing member of the embodiment.

FIG. 7 is a plan view of a woodworking material holding device according to a second embodiment of the present invention.

FIG. 8 is a side view of the woodworking material holding device according to the embodiment.

9A and 9B show a third embodiment of the present invention, in which FIG. 9A is an enlarged perspective view of an essential part, and FIG. 9B is a sectional view.

FIG. 10 shows a modification of the third embodiment of the present invention, (a)
Is an enlarged perspective view of a main part, and FIG.

[Explanation of symbols]

11 ... Work table, 12 ... Base, 13 ... Guide member,
16 ... 1st pressing member, 25 ... 2nd pressing member, X ... Wood.

Claims (1)

[Scope of utility model registration request] 1. A base installed on a work table, a guide member provided along the longitudinal direction of the base, and at least one first presser foot fixed to an arbitrary position in the middle of the guide member. And a second pressing member which is provided at least at one end of the base and is capable of advancing and retreating with respect to the first pressing member by a handle operation and which clamps and fixes wood between the first pressing member and the first pressing member. The material holding device for woodworking, wherein the second pressing member is supported on the base so as to be vertically adjustable in height.