JP2012193550A - Small-sized punching machine for building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a small-sized punching machine for building that easily and speedily form a patch piece, closing a hole partially formed in a waterproof enclosure made of a sheet-like building material heat-sealed and joined on a housetop, a roof, etc., and made of the same material, on a construction site.SOLUTION: The small-sized punching machine for building includes a stand A having a support base 1 and a guide hole 21; an operation member 3 comprising an operation link piece 31 and an operation lever piece 32; an intermediate link piece 4 pivotally coupled to a free end of the operation link piece 31 of the operation member 3; a press member 5 comprising a joint part 51 and a shaft part 52 inserted into the guide hole 21; a punch 71 fixed to the shaft part 52, and a die 72 provided below the stand A. A second pivotal coupling part P2 between the operation link piece 31 and intermediate link piece 4 comes closer in cutting operation onto a straight line Lv connecting a first pivotal coupling part P1 between the support base 1 and operation link piece 31 and a third pivotal coupling part P3 between the intermediate link piece 4 and press member 5.

Description

  The present invention relates to a patch piece made of the same material that closes a hole partially formed in a waterproof envelope composed of a sheet-like building material joined by thermal fusion on a roof or a roof of a building structure. The present invention relates to a small punching machine for building that can be easily and quickly formed at a construction site.

  A sheet-like building material made of a synthetic resin having a waterproof property is used in a place requiring waterproof properties such as a roof of a large building structure such as a conventional building or factory. This kind of sheet-like building material is formed in a band shape, these are arranged in parallel, the end portions in the width direction are overlapped, and the overlapped portions are joined by thermal fusion, The portion was covered to form a waterproof roof or a rooftop waterproof floor.

  On roofs or floors made of this type of sheet-like building material, holes and scratches that have been torn due to mistakes during construction may occur, which may need to be repaired. Alternatively, protrusions for various small devices may be provided and the periphery of the protrusions must be covered. Therefore, a patch piece made of the same material as the sheet-like building material may be required.

Japanese Utility Model Sho 61-31592 JP-A-8-99200

  The patch piece was made at an appropriate size from a sheet-like building material with a cutting tool such as a scissors. However, this operation is troublesome, and in most cases, the shape and size of the patch pieces are often the same. For this reason, producing such patch pieces with a tool such as a scissors significantly reduces the work efficiency and eventually delays the construction work period. Conventionally, simple press machines exist, and specifically, Patent Documents 1 and 2 exist. Patent Document 1 discloses a ram that operates in conjunction with a manual lever.

  However, there is no die and it cannot be used as a punching machine. In addition, synthetic resin sheet-shaped building materials contain steel wires and strong fibers inside for reinforcement, and patch pieces can be easily attached to punching machines that cannot amplify the force. I can't punch. Therefore, in the one disclosed in the cited document 1, the ram is operated only by the rotational moment of the manual lever, and in some cases, it becomes impossible to punch out a desired patch piece from the sheet-like building material. There is also a possibility.

  Also, in Cited Document 2, the structure is complicated, and therefore the entire device becomes large and heavy, and it is easily carried to a construction site or removed and moved to another construction site. It becomes almost impossible. An object of the present invention is to provide a small punching machine for building which can easily and quickly make a patch piece made of the same material as a sheet-like building material at a construction site and can be freely carried.

  Accordingly, as a result of intensive studies and researches to solve the above problems, the inventor has changed the invention of claim 1 into a stand comprising a support base and a guide part having a guide hole, an action link piece and an operation lever piece. An operation member in which one longitudinal end of the action link piece is pivotally connected above the support base, an intermediate link piece pivotally connected to a free end of the action link piece of the operation member, a joint part, and the guide hole The joint portion is composed of a press member pivotally connected to the intermediate link piece, a punch fixed to the shaft portion, and a die provided below the stand. On the straight line connecting the first pivot connecting portion between the support base and the action link piece and the third pivot connecting portion between the intermediate link piece and the press member, the action link piece and the intermediate link piece Second pivot of By forming portion is a building compact punching machine comprising a construction compact punching machine comprising a structure in which adjacent during the cutting operation, the above-mentioned problems are eliminated.

  The invention according to claim 2 is the small punching machine for building according to claim 1, wherein the first pivot connection part, the third pivot connection part, and the diameter centers of the guide holes are located on the same straight line. As a result, the above problems were solved. According to a third aspect of the present invention, in the first or second aspect, the above-mentioned problem is solved by using a small punching machine for construction in which the action link piece of the operation member and the operation lever piece are at right angles.

  The invention according to claim 4 is the construction according to any one of claims 1, 2 or 3, wherein a return spring is mounted between the upper portion of the stand and the joint portion of the pivoted press member. The above problems were solved by using a small punching machine. The invention according to claim 5 is the above-described problem, wherein the operation lever piece of the operation member is a detachable small-sized punching machine for building according to any one of claims 1, 2, 3 or 4. Solved.

  According to the first aspect of the present invention, a patch piece made of the same material for repairing a projecting structure of an outer envelope constituted by a sheet-like building material or a hole caused by some damage at a building construction site can be easily and quickly performed. Can be produced. In addition, the first pivot connection portion between the operation member and the intermediate link piece, the third pivot connection portion between the intermediate link piece and the press member, and the axis of the guide hole are along a straight line. Since they are positioned, these members constitute a boosting mechanism, and the pressure of the punching operation can be extremely increased. Therefore, even if the material used to make the patch piece is thick and includes a reinforcing core made of steel wire or strong fiber, it is very easy to punch out from the same material. Can be made.

  In the invention of claim 2, the first pivot connection portion, the third pivot connection portion, and the diameter center of the guide hole are positioned on the same straight line, so that the force due to the swinging motion of the operation lever piece of the operation member Is concentrated in a straight line, the force can be amplified with the least loss in the transmission of force to the action link piece, the intermediate link piece, and the press member 5, and the cutting work for punching is more It can be made easier.

  In the invention of claim 3, since the action link piece of the operation member and the operation lever piece are configured to be at right angles, the angle of the swing operation of the operation lever piece of the operation member can be reduced, The working efficiency can be improved. In the invention of claim 4, since the return spring is mounted, the punch and the die can always be kept open, which is suitable when a large number of patch pieces are made from the material. According to the fifth aspect of the present invention, since the operating lever piece is detachable, the entire small punching machine for building of the present invention can be made compact by removing the operating lever piece from the operating member.

(A) is a side view of the present invention, (B) is a cross-sectional view taken along arrow Y1-Y1 in (A), (C) is a cross-sectional view taken along arrow Y2-Y2 in (A), and (D) is a cross-sectional view taken along (B). It is Y3-Y3 arrow sectional drawing, (E) (A) X1-X1 arrow sectional drawing. (A) is a process diagram showing the operating state of the operation member, the intermediate link piece and the press member at the stage immediately before punching and forming the patch piece from the raw material in the present invention. It is process drawing which shows the operation state of the operation member, intermediate | middle link piece, and press member of the step immediately after punching formation. (A) is a perspective view of a state where a circular patch piece is made with a disc-shaped punch, and (B) is a perspective view of a state where a square patch piece is made with a square punch. It is a schematic diagram showing the state where the building punching machine of the present invention is used by an operator. (A) is a schematic cross-sectional view of a building structure covered with a sheet-like building material, (B) is a perspective view of (A) part of (A), and (C) is (A) part of (A). FIG.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. First, as shown in FIGS. 1A and 1B, the main configuration of the present invention is a stand A, an operation member 3, an intermediate link piece 4, a press member 5, a punch 71, and a die 72. It consists of. The stand A is composed of a support base 1 and a guide part 2, and the support base 1 is composed of a rising plate 11 and a pedestal part 12 (see FIGS. 1A and 1C).

  The rising plate 11 is a vertical plate, and is formed with a protruding piece 11a that protrudes upward and toward the front side in the horizontal direction (see FIG. 1A). A swing pivot support hole is formed in the projecting piece 11a, and the operating member 3 is pivotally connected through the swing pivot support hole. Further, a horizontal plate-like substrate 11b is formed at the lower end of the rising plate 11, so that the rising plate 11 can stand upright on the pedestal portion 12 in a stable state (see FIG. 1C).

  In the pedestal portion 12, side plates 12b and 12b are vertically arranged and fixed on both sides of the bottom plate 12a in the width direction, and an upper plate 12c is fixed on the both side plates 12b and 12b. A gap S is provided between the bottom plate 12a and the upper plate 12c [see FIG. 1 (B)]. Further, a discharge hole 12d is formed in the upper plate 12c, and a patch piece Mp punched from the raw material M by a punch 71 and a die 72, which will be described later, is formed in the gap S of the pedestal 12 through the discharge hole 12d. It is configured to be discharged.

  A spacer 13 is disposed between the lower end of the rising plate 11 and the upper plate 12c of the pedestal portion 12 (see FIGS. 1A to 1C). The spacer 13 forms a space between the upper plate 12c of the pedestal portion 12 and the substrate 11b, and the working space for arranging the raw material M on the upper plate 12c can be widened. The guide portion 2 has a cubic block shape, and a guide hole 21 is formed in the vertical direction. The guide part 2 is fixed to the front side of the support base part 1. Here, the near side of the support base 1 is a side on which an operation member 3, an intermediate link piece 4 and the like which will be described later are mounted, and is the left side in FIGS. 1 (A), 2 (A), and (B). In FIG. 4, this is the side on which the worker is depicted in the apparatus of the present invention.

  The operation member 3 includes an action link piece 31 and an operation lever piece 32, and is formed integrally. The action link piece 31 and the operation lever piece 32 form a substantially “L” or “Γ” shape. [Refer to FIG. 1 (A), (D), FIG. 2 (A), etc.)]. In the action link piece 31, two sandwiching pieces 31b and 31b facing in parallel are integrated by an upper piece 31a to form a substantially “Π” -shaped cross section (see FIG. 1B). The sandwiching pieces 31b and 31b are respectively formed with a swing center hole and a pivot connection hole.

  The bent portion of the action link piece 31 and the operation lever piece 32 is pivotally connected to the upper position of the support base 1 of the stand A, and the action link piece 31 is swung by the swinging operation of the operation lever piece 32 in the vertical direction. Let Further, the operation lever piece 32 is long with respect to the operation member 3, and specifically, is several times longer than the length in the longitudinal direction of the operation member 3. In the operation member 3, there is a configuration in which the operation lever piece 32 is detachable. Specifically, a lever base 321 is formed on the operation member 3, and a connecting shaft 322 is formed on the lever base 321. A pipe-shaped lever portion 323 is detachably attached to the connection shaft 322 [see FIG. 1D]. Thus, by making the operation lever piece 32 detachable in the operation member 3, the apparatus can be made compact and can be easily transported from a construction site to another construction site.

  The intermediate link piece 4 is used as a link material for pivotally connecting the operation member 3 and a press member 5 link described later. Specifically, the pivot connection configuration of the intermediate link piece 4 and the operation member 3 is the free end side of the action link piece 31 in the operation member 3 (the end portion on the opposite side to the pivot connection location with the rising plate 11). ) And one end side in the longitudinal direction of the intermediate link piece 4 are pivotally connected (see FIGS. 1A, 1D, 2A, etc.).

  The press member 5 includes a joint part 51 and a shaft part 52. The joint portion 51 is formed in a substantially reverse “Π” shape in cross section, and sandwiching pieces 51b and 51b are formed on both sides in the width direction of the lower piece 51a (see FIG. 1B), and both sandwiching pieces 51b are formed. , 51b are formed with pivot holes. A shaft end portion of the shaft portion 52 is attached to the lower piece 51a by fixing means such as press fitting. The shaft portion 52 is inserted through the guide hole 21 of the guide portion 2 constituting the support base 1 and is slidable in the axial direction with respect to the guide hole 21.

  A punch 71 is fixed to the lower shaft end of the shaft portion 52. In the punch 71, the shaft portion 52 is fixed through fixing means such as press fitting. The die 72 is formed by forming a mold die hole 72b in the die substrate 72a. The mold die hole 72b has a similar shape corresponding to the shape of the punch 71 and is slightly larger than the outer shape of the punch 71. It is formed (see FIG. 1E). The die 72 is installed on the upper plate 12 c of the pedestal 12 of the stand A.

  Further, the discharge hole 12d is configured to be positioned directly below the forming die hole 72b of the die 72 (see FIG. 1B). The shape of the punch 71 is determined by the shape of the patch piece Mp to be formed. When the patch piece Mp has a disk shape, the punch 71 has a circular shape [see FIG. When the patch piece Mp is a square, the punch 71 is a square [see FIG. 3B].

  A return spring 8 is mounted between the upper position of the rising plate 11 of the support base 1 and the position of the third pivot connecting portion P3 between the intermediate link piece 4 and the press member 5 [FIG. , (B), (D), see FIG. Specifically, a locking projection 11c is formed above the rising plate 11, and a color material or the like is interposed on a part of a bolt shaft constituting the pivot coupling 63 of the third pivot coupling P3. Thus, both ends of the return spring 8 are locked.

  The return spring 8 is for maintaining the operation lever piece 32 of the operation member 3 in a state where it is always lifted upward, and for maintaining the punch 71 together with the press member 5 in the upper position with respect to the die 72. is there. This is a state in which the punch 71 is always away from the die 72 upward, and the raw material M for forming the patch piece Mp can be immediately inserted between the punch 7 and the die 8. is there.

  Then, in the assembly of the present invention, the pivot support hole in the upper position of the rising plate 11 of the stand A and the swing pivot support hole of the operation member 3 are made to coincide with each other, and a pivot connection consisting of bolts and nuts is made. The operating member 3 is pivotally connected to the rising plate 11 by the tool 61. This portion is referred to as a first pivot connection portion P1. The operation lever piece 32 of the operation member 3 swings on the vertical plane with respect to the rising plate 11.

  On the free end side (the other end side in the longitudinal direction) of the action link piece 31 of the operation member 3, one end side in the longitudinal direction of the intermediate link piece 4 is pivotally connected by a pivot connection tool 62 including a bolt and a nut. This pivot connection part is referred to as a second pivot connection part P2. Further, the joint portion 51 is pivotally connected to the other end side in the longitudinal direction of the intermediate link piece 4 by a pivot connecting tool 63 including a bolt and a nut. The pivot connection part is referred to as a third pivot connection part P3 (see FIGS. 1A, 1B, 2A, etc.).

  In the architectural punching machine of the present invention, the combination of the stand A, the operation member 3, the intermediate link piece 4, and the press member 5 constitutes a booster (toggle joint) mechanism (see FIG. 2). That is, a (virtual) straight line connecting the first pivot connection P1 and the third pivot P3 is defined as a straight line Lv. The straight line Lv becomes a vertical line in a state in which the architectural punching machine of the present invention is properly installed on a horizontal flat surface (see FIG. 2A). And the 2nd pivot connection part P2 located between the said 1st pivot part P1 and the said 3rd pivot part P3 exists in the position away from the straight line Lv before press work [refer FIG. 2 (A). ] At the time of cutting operation due to the start of the press work, the second pivot support part P2 moves so as to gradually approach from a position away from the straight line Lv [see FIG. 2 (B)].

  The operation in which the second pivot connecting portion P2 approaches the straight line Lv is performed by lowering the operation lever piece 32 of the operation member 3 from above to below (see FIG. 2). That is, when the operation lever piece 32 is lowered, the action lever piece 31 rotates about the first pivot connecting portion P1 as a center of rotation, whereby the second pivot connecting portion P2 moves downward. , Approaching the straight line Lv [see FIG. 2 (B)]. At this time, the third pivot connecting portion P3 is lowered downward along the straight line Lv, and the punch 71 is lowered toward the die 72 together with the press member 5.

  In the operation of making the patch piece Mp from the raw material M, the initial state before the operation is the position where the second pivot connecting portion P2 is away from the straight line Lv [see FIG. 2 (A)]. When the operating lever piece 32 of the operating member 3 is swung (turned) downward, the second pivot connecting portion P2 is lowered and approaches the straight line Lv [FIG. 2 (B). reference〕. That is, when the operating lever piece 32 is swung downward from above with the first pivot connecting portion P1 as the center (see FIG. 2A), the action link piece 31 is interposed via the second pivot connecting portion P2. Then, the intermediate link piece 4 is actuated, and the second pivot support portion P2 comes close to a state where it is aligned with the perpendicular Lv.

  At this time, the axial pressing force of the shaft portion 52 increases so as to be maximized (see FIG. 2B). Then, the patch piece Mp formed from the raw material M by the punch 71 and the die 72 and discharged from the discharge hole 12 d of the pedestal portion 12 to the gap portion S. Further, by setting the diameter center Q of the guide hole 21 at the straight line Lv in the straight line Lv connecting the first pivot connection part P1 and the third pivot connection part P3, The force loss is the smallest and the pressing force of the pressing member 5 can be increased (see FIG. 2).

  FIG. 5 (A) is a schematic diagram of a building in which the sheet-like building material 9 in which the building punching machine of the present invention is used, and the sheet-like building material 9 is laid and constructed on the building foundation. Yes. FIG. 5 (B) is a perspective view of part (A) of FIG. 5 (A), and was made with the architectural punching machine of the present invention where a damage hole 9a was generated in the sheet-like building material 9 due to a construction error. The state which is going to coat | cover the patch piece Mp is shown.

  FIG. 5C is a perspective view of the portion (A) of FIG. 5A, showing a state where the patch piece Mp is covered by thermal fusion at the site of the damaged hole 9a. As described above, the architectural punching machine of the present invention has a very simple configuration and can be made compact (see FIG. 4). Therefore, it can be easily carried to and removed from the construction site, and can be easily transported to the next construction site or storage.

A ... stand, 1 ... support base, 2 ... guide portion, 21 ... guide hole, 3 ... operating member,
31 ... Action link piece, 32 ... Operation lever piece, 4 ... Intermediate link piece, 5 ... Press member,
51 ... Joint part, 52 ... Shaft part, 71 ... Punch, 72 ... Die,
P1 ... 1st pivot connection part, P3 ... 3rd pivot connection part, 8 ... Return spring.

Claims (5)

  A stand comprising a support base and a guide portion having a guide hole; an operation member comprising an action link piece and an operation lever piece; one end in the longitudinal direction of the action link piece being pivotally connected above the support base; and the operation A press member comprising an intermediate link piece pivotally connected to the free end of the action link piece of the member, a joint portion and a shaft portion inserted through the guide hole, the joint portion being pivotally connected to the intermediate link piece. A punch fixed to the shaft portion, and a die provided below the stand, a first pivot connecting portion between the support base portion and the action link piece, the intermediate link piece and the press member The small pivot for construction, wherein the second pivot connection portion of the working link piece and the intermediate link piece is close to each other on the straight line connecting the third pivot connection portion with the intermediate link piece. Strike Can machine.   The small punching machine for building according to claim 1, wherein the diameter centers of the first pivot connecting portion, the third pivot connecting portion, and the guide hole are located on the same straight line.   The small punching machine for building according to claim 1 or 2, wherein the action link piece of the operation member and the operation lever piece are at right angles.   4. The small building according to claim 1, wherein a return spring is mounted between the upper portion of the stand and the joint portion of the press member. Punching machine.   5. The small punching machine for building according to claim 1, wherein the operating lever piece of the operating member is detachable.

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