JP2006137121A - Work table for cutting concrete panel - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a work table for cutting a concrete panel which can cut a large concrete panel even in narrow spacing without needlessly spattering chips, furthermore regardless of a size, a kind and a type or the like of an electric operation circular saw offered commercially. <P>SOLUTION: The work table for cutting a concrete panel comprises: a vertical type receiving member (1) for a workpiece; a similar workpiece pressing member (10) of a vertical type which pinches a concrete panel, and a workpiece securing device (30) which fixes the pinched concrete panel to the workpiece receiving member (1). The workpiece pressing member (10) is provided with a hook (22), and the workpiece receiving member (1)is provided with a hook receiver (5). The workpiece pressing member (10) is provided with a primary surface (20) which an electric operation circular saw (M) moves along. Therefore, a concrete panel can be cut regardless of a size, a kind and a type or the like of an electric operation circular saw offered commercially. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention includes a vertical workpiece receiving member adapted to be used in an upright state, and a similar vertical workpiece pressing member that cooperates with the workpiece receiving member to clamp a concrete panel. The present invention relates to a work table for cutting concrete comprising a work fixing device for fixing a concrete panel to the work receiving member.

  Concrete obtained by adding water to a mixture of cement, sand, gravel, etc. has high compressive strength and is excellent in fire resistance, heat insulation, etc., so it is effectively used as a building material or construction material. . The concrete is poured into a mold assembled in a predetermined shape as conventionally known, and is cured for a predetermined time. As a material for such a formwork, a wooden concrete panel shown in Patent Document 1, a lightweight cellular concrete panel shown in Patent Document 2, and the like are known. A concrete panel in which a sheet made of resin and short fibers is attached has also been proposed.

JP 2003-184303 A JP2004-154971 JP-A-6-200618

  Concrete panels as described above are generally manufactured in a predetermined size in a factory and are commercially available. Therefore, when a user purchases a concrete panel having a predetermined size, cuts it to a predetermined size at a construction site, and hits it with a nail or the like on a wall, a pillar, or the like, a form having a desired shape can be formed. When cutting a concrete panel, the concrete panel is generally laid, and the cut line is drawn with black ink, and the electric circular saw is moved along the draw line.

As mentioned above, concrete panels made of various materials are commercially available, so you can form a formwork that matches the actual product by simply purchasing a concrete panel of a material that suits your purpose of use and cutting it at the construction site. There is a merit. However, there are also drawbacks. For example, since the construction site is small in the city center, there is a situation where it is not possible to secure a space for laying and cutting concrete panels. If there is no space, the advantage of cutting in line with the actual product cannot be used. In addition, even if a space can be secured, if it is laid down and cut, the scattering range of the chips becomes wide, and there is a problem that it takes time to clean up. Furthermore, there is also the annoyance of having to draw a cut line on the concrete panel.
An object of the present invention is to provide a concrete panel cutting method, that is, a concrete panel cutting work table, in which the above-described conventional problems or disadvantages are eliminated. Specifically, a large concrete panel can be used in a small space without scattering chips, and regardless of the size, type, type, etc. of the electric circular saw on the market. An object of the present invention is to provide a concrete panel cutting work table that can be cut without being cut.

  In order to achieve the above object, the present invention comprises a vertical work receiving member and a similar vertical work pressing member that is detachably attached to the work receiving member. Further, the work receiving member is provided with a ruler that can slide in the horizontal direction when it is erected. Furthermore, the workpiece receiving member and the workpiece pressing member are preferably configured in a double fold. The work pressing member is provided with a reference surface along which the electric circular saw moves.

  Thus, in order to achieve the above object, the invention according to claim 1 is a vertical work receiving member adapted to be used in an upright state, and a concrete panel that cooperates with the work receiving member. A work table for an electric circular saw comprising a similar vertical work pressing member for holding a workpiece and a workpiece fixing device for fixing the sandwiched concrete panel to the workpiece receiving member, Either one of the work pressing members is provided with a hook, and the other is provided with a hook receiver, whereby the work pressing member can be attached to and detached from the work receiving member. Is configured to provide a reference surface along which the electric circular saw moves. According to a second aspect of the present invention, in the workbench according to the first aspect, the work pressing member is provided with a ruler that is slidable in the lateral direction, and the third aspect of the invention is according to the first aspect. 5. The work table according to claim 4, wherein the work fixing device includes a screw that is screwed into the work pressing member, and a work fixing plate that is attached to a tip portion of the screw and presses the concrete panel against the work receiving member. The work table according to claim 1, wherein the work receiving member and the work pressing member are composed of two members, a lower member and an upper member, which can be folded in two in the lateral direction, and each of the lower upper members. A ruler and a workpiece fixing device are provided.

  As described above, the work table according to the present invention includes a vertical workpiece receiving member that is used in an upright state, and a similar vertical type that holds the concrete panel in cooperation with the workpiece receiving member. Since the workpiece pressing member and the workpiece fixing device for fixing the sandwiched concrete panel to the workpiece receiving member are configured, that is, the workpiece receiving member and the workpiece pressing member are vertical. An effect peculiar to the present invention is obtained in that a wide concrete panel can be sandwiched, fixed, and cut in a narrow space with the workpiece receiving member and the workpiece pressing member standing upright. Moreover, since it can cut | disconnect in the standing state, the scattering range of chips is narrow. Therefore, the effect of facilitating cleaning of chips can be obtained. Further, since the work pressing member is detachable from the work receiving member by a hook and a hook receiver, the workability is good. Furthermore, since the work pressing member is provided with a reference surface along which the electric circular saw moves, it is possible to use any type of electric circular saw by simply moving the electric circular saw along the reference surface. Even in the case, it can be cut without drawing with black ink as in the past. According to the second aspect of the present invention, since the work pressing member is provided with a ruler that can slide in the lateral direction, in addition to the above-described effects, the ruler can be cut to a predetermined size using the ruler provided. Further effects can be obtained. According to the invention described in claim 3, since the work fixing device comprises a screw to be screwed into the work pressing member and a work fixing plate that is attached to the tip of the screw and presses the concrete panel against the work receiving member. The concrete panel can be fixed to and removed from the workpiece receiving member simply by operating the screw with a handle, for example. According to the invention of claim 4, the workpiece receiving member and the workpiece pressing member are arranged in the lateral direction. Since the lower member and the upper member are foldable into two parts, the effect of facilitating storage, carrying, etc. is further obtained, and a ruler and a work fixing device are provided on each of the lower upper members. Because it can measure or fix at two points, concrete panel measurement is more accurate and fixing is more reliable

  Hereinafter, an embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 1, the work table according to the present embodiment is generally a vertical work receiving member 1 that is normally used upright and is detachably attached to the work receiving member 1. It is comprised from the workpiece | work pushing member 10 attached. And it is used as shown in FIG.

  As shown in FIG. 1A, the workpiece receiving member 1 is formed by connecting a base 2 having a bottom surface with a predetermined area, a top plate 4 with a predetermined area, and the base 2 and the top plate 4 together. Plate-shaped upper and lower workpiece receiving plates 6 and 7. The pedestal 2 is a portion that is placed on the floor surface R of the work site, is relatively heavy, and has a substantially cubic shape. Then, the lower work receiving plate 6 rises up to a predetermined height from the long side. The top plate 4 also has a generally rectangular shape, and the upper work receiving plate 7 is lowered from a long side to a predetermined position. Accordingly, FIG. 1A is a perspective view showing the workpiece receiving member 1 with the upper and lower workpiece receiving plates 6 and 7 extended, but the workpiece receiving member 1 has a substantially U-shape when viewed from the side. Yes. Although the upper and lower workpiece receiving plates 6 and 7 are not shown in the drawing, they are connected by a plurality of hinges on the back side in FIG. Therefore, the workpiece receiving member 1 can be folded in the direction indicated by the arrow A at the contact portion between the upper and lower workpiece receiving plates 6 and 7. A lower ruler 8 is provided on the lower work receiving plate 6 configured in this way so as to be slidable in the horizontal direction in a direction crossing the work receiving plate 6. Similarly, an upper ruler 9 is provided on the upper work receiving plate 7 so as to be slidable in the lateral direction.

  A pair of key-shaped hook holes 3 and 3 are formed on the front surface of the base 2 at a predetermined interval. As shown in the side sectional view of FIG. 2 (a), these hook holes 3 and 3 become key-shaped mechler holes and are attached to a work pressing plate of a work pressing member 10 described later. A lower hook is inserted. In the illustrated embodiment, two hook hooking grooves 5 and 5 are formed on the top surface of the top plate 4. An upper hook attached to the work pressing member 10 is hung on the hook hanging grooves 5 and 5.

  The work pressing member 10 includes a lower work pressing plate 11 and an upper work pressing plate 12 as shown in FIG. These upper and lower work pressing plates 12 and 11 have a substantially flat plate shape. On the side that can be seen in FIG. 1B, that is, the front side, the center portions in the vertical direction are thick portions 13 and 13. The workpiece pressing plates 11 and 12 are coupled to each other by hinges 14 and 14 at the thick portions 13 and 13. Therefore, the upper and lower work pressing plates 12 and 11 can be folded in the direction indicated by the arrow B. Further, a lock device 15 is provided across these work presser plates 12 and 11. By this locking device 15, the upper and lower work pressing plates 12, 11 are maintained in an extended state. The thick portions 13 and 13 are formed with female screws 17 and 17 into which screws of the work fixing device are screwed, and further, handles 18 and 18 are also attached. The side surfaces of the thick portions 13 and 13 are reference surfaces 20 and 20 on which a tool, that is, an electric circular saw moves.

  On the back surface side of the lower work presser plate 11 configured in this manner, a pair of lower parts is provided corresponding to the hook holes 3 and 3 of the work receiving member 1 as shown in FIG. Hooks 21 and 21 are provided. Further, upper hooks 22, 22 bent in a key shape corresponding to the hook hooking grooves 5, 5 are attached to the top of the upper work pressing plate 12. These upper hooks 22 and 22 are made of metal and have elasticity. Therefore, the work pressing member 10 can be elastically locked to the work receiving member 1 and can be removed. The work table according to the present embodiment also includes a workpiece fixing device 30 as shown in FIG. The workpiece fixing device 30 includes a workpiece fixing screw 31, a workpiece fixing plate 32 attached to the tip of the screw 31 with some play, a crank handle 33 attached to the head of the workpiece fixing screw 31, a workpiece fixing screw. The lock nut 34 and the washer 35 etc. which are screwed to 31 are comprised. Moreover, the auxiliary stand 34 shown by FIG. 3 is also provided. The protruding portion of the concrete panel P is supported by the auxiliary table 36.

  Next, the operation of the above embodiment will be described. The workpiece receiving member 1 and the workpiece pressing member 10 are separated by removing the hooks 3, 3, 21, 21, 5, 5, 22, 22 and stored in a folded state. It is carried to the construction site, and the upper and lower work receiving plates 7 and 6 of the work receiving member 1 are extended. Similarly, the upper and lower workpiece pressing plates 12 and 11 of the workpiece pressing member 10 are extended and locked in the extended state by the lock device 15. The workpiece receiving member 1 is erected as shown in FIG. 1A and a concrete panel P is erected between the base 2 and the top plate 4. Next, the lower hooks 21 and 21 of the lower work pressing plate 11 of the work pressing member 10 are inserted into the hook holes 3 and 3 of the work receiving member 1 as shown in FIG. The upper hooks 22, 22 of the work pressing plate 12 are hooked on the hook hooking grooves 5, 5 of the work receiving member 1. A state in which the concrete panel P is sandwiched between the workpiece receiving member 1 and the workpiece pressing member 10 in this manner is shown in FIG. The protruding concrete panel P is supported by the attached auxiliary stand 36 as needed.

  Next, the workpiece fixing screw 31 is screwed into the female screw 17 formed in the thick portion 13 of the workpiece pressing member 10 using the crank handle 33. Then, the workpiece fixing plate 32 presses and fixes the concrete panel P against the upper and lower workpiece receiving plates 7 and 6 of the workpiece receiving member 1. The state in which the concrete panel P is fixed in this way is shown in FIG. 2 (B) or FIG. 3 (A).

  The electric circular saw M is provided with a ruler S as shown in FIG. Accordingly, while moving the tip of the ruler S along the reference surface 20 of the workpiece pressing member 10, the circular saw ES together with the concrete panel P, the outside of the workpiece pressing plates 12, 11 above and below the workpiece pressing member 10, and the workpiece receiving member. Cut off the excess part outside the upper and lower workpiece receiving plates 7 and 1. The state of preparing for cutting is shown in FIG. After purchasing the electric circular saw, the reference L of the electric circular saw M is obtained by cutting off the electric circular saw. In other words, any manufacturer's electric circular saw can be supported. Hereinafter, the concrete panel P is aligned with the upper and lower rulers 9 and 8, and cut into a predetermined size while moving the electric circular saw M along the reference surface 20. Make a formwork from the cut concrete panels.

  The present invention can be implemented in various forms without being limited to the above embodiment. For example, the workpiece receiving member and the workpiece pressing member are folded in half, but the commercially available concrete panel has a predetermined size. It can also be configured to have a specified length when In addition, it is obvious that an integrated structure can be implemented without using a two-fold structure. Furthermore, in the above-described embodiment, two rulers are provided at an interval in the vertical direction, so that the angle or accuracy can be easily obtained and measurement can be performed more accurately. However, one ruler or a special ruler should also be provided. Clearly, it can be implemented. The same applies to the workpiece fixing device.

BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows embodiment of this invention, The (a) is a perspective view of a workpiece | work receiving member, The (b) is a perspective view of a workpiece pressing member. BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows the detail of embodiment of this invention, The (a) is sectional drawing which shows the state which the hook of a workpiece pressing member has latched in the hook hole of a workpiece | work receiving member, (b) is a workpiece fixing device It is sectional drawing which shows the state by which the concrete panel is pressed and fixed by the workpiece | work receiving plate by. It is a figure which shows the use condition of embodiment of this invention, The (a) is a perspective view which shows the state which pinched | interposed the concrete panel, The (b) is sectional drawing which shows a preparation state.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Work receiving member 3 Hook hole 5 Hook hooking groove 6 Lower work receiving plate 7 Upper work receiving plate 8 Lower ruler 9 Upper ruler 10 Work pushing member 11 Lower work holding plate 12 Upper work holding plate 14 Hinge 17 Female screw 20 Reference surface 21 Lower hook 22 Upper hook 30 Work fixing device 31 Work fixing screw 32 Work fixing plate 33 Crank handle P Concrete panel M Electric circular saw

Claims (4)

A vertical work receiving member adapted to be used in an upright state, a similar vertical work pressing member that cooperates with the work receiving member to sandwich a concrete panel, and a sandwiched concrete panel A work table for an electric circular saw comprising a work fixing device for fixing to the work receiving member,
A hook is provided on one of the workpiece receiving member and the workpiece pressing member, and a hook receiving is provided on the other, whereby the workpiece pressing member is detachable from the workpiece receiving member. A work table for cutting concrete panels, wherein the work pressing member is provided with a reference surface along which an electric circular saw moves.   The work table for cutting concrete panels according to claim 1, wherein a ruler capable of sliding in a lateral direction is provided on the work pressing member.   2. The work table according to claim 1, wherein the work fixing device includes a screw that is screwed into the work pressing member, and a work fixing plate that is attached to a tip portion of the screw and presses the concrete panel against the work receiving member. Cutting workbench.   2. The work table according to claim 1, wherein the work receiving member and the work pressing member are composed of two members, a lower member and an upper member, which can be folded in two in the lateral direction, and a ruler and a work are respectively provided on the lower upper member. Work table for cutting concrete panels with fixing devices.

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