JP2008260039A - Boring tool for shape metal-worked member - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a boring tool with which even a shape metal-worked member suspended from a ceiling or the like or assembled thereto in a building, can be quickly bored at a required part according to necessary under no noise. <P>SOLUTION: The boring tool is composed of: a first handle 1 and a second handle 2 as a pair on the right and left arranged almost parallel; a boring tool body 3 connecting the distal end parts thereof; and male and female boring fixtures 4, 5 arranged at the upper and lower parts of a shape steel material receiving space A in the body. The boring tool body is higher than the confronted side wall h in a boring objective shape steel material, and has the shape steel material receiving space A cut into a U-shape from one side in the width direction toward the other side. The male and female boring fixtures are arranged so as to be freely retractable toward the space A side, one fixture is retractable by the operation of the first handle and the other fixture is retractable/advanceable by the operation of the second handle, and the shape steel material can be received from the horizontal direction into the shape steel material receiving space A. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  In the present invention, the U-shaped cross section generally called C-shaped steel, C-shaped channel, groove-shaped steel, channel-shaped steel, etc., and the open ends of the opposite side walls are further inwardly directed toward the inside. Manual drilling is performed on the required shape of the top wall or side wall of a metal shape steel material (hereinafter referred to as a metal shape or simply a shape) that is bent into a letter shape, a square shape, or a U shape. It relates to a drilling tool for use.

  Conventionally, for this type of metal profile, more specifically, manual drilling tools for drilling a required hole in the top wall have been proposed in various shapes, mainly for construction. Used by related contractors.

However, conventional manual drilling tools for such metal profiles, as will be seen in Patent Document 1 and Non-Patent Documents 1 and 2 below, are all of the profiles of drilling tools. Since the machining space is formed in a small space that is slightly larger than the wall thickness of the drilled part of the profile, drilling is not performed unless the profile is inserted from the end face side to the drilling location. Therefore, if the drilling part is located away from the end of the profile, it is necessary to insert it into the small space of the tool up to the necessary part for drilling. Therefore, even after drilling, it is necessary to take the shape of the punched shape member out of the processing space.
Japanese Patent No. 3371249 Japanese Utility Model Publication No. 6-31209 Japanese Utility Model Publication No. 62-4340

  Of these documents, the metal mold material drilling tool described in Patent Document 1 is formed in such a manner that the mold material 14 is inserted into the space 12 between the die 2 and the punch shown in FIG. Even in the steel drilling tool described in Non-Patent Document 1, a steel material such as channel steel is inserted between the die 3 and the cutting edge 9 as shown in FIG. In the steel drilling tool described in Non-Patent Document 2, as shown in FIG. 1, the gap between the die 19 and the cutting edge 17 is inserted. Since a steel material such as the steel material S is inserted into the perforated process, the shape material to be processed must be inserted into these perforated blade parts from the side.

  For this reason, not only has the problem that the drilling of the work piece takes time and effort, but is troublesome, and if the shape is already hung under the ceiling of the building, etc. Due to the presence of the lowering bolt, there is a problem that it is not possible to drill at the required location. In such a case, the shape already installed under the ceiling is removed and drilled, or a rotary tool such as an electric drill is used. And had to drill.

  However, in the former removal of the existing shape member, not only the number of steps for removal but also the number of steps for restoration of attachment is required, which requires a lot of work. Depending on the state of the existing shape member, the removal is impossible or extremely Some are difficult. On the other hand, in the drilling operation using the latter rotary tool, a noise is generated due to the sound generated by the rotary tool itself, the sound generated by the drilling portion, and the resonance sound of the shape material, and noiseless machining is performed. It is impossible to avoid noise damage to the neighborhood.

  As described above, in the conventional drilling tool of this type, a shape member that has already been suspended by a hanging bolt or the like under a ceiling of a building or connected to another formwork or the like. Has a problem that it cannot be used as a tool for performing additional drilling as necessary.

  Therefore, the present invention can fundamentally solve such a problem that a conventional metal shape drilling tool has, and can be already suspended under the ceiling of a building or other formwork. For example, it is possible to drill holes in necessary parts according to need. The present invention provides a drilling tool that can perform a drilling process quickly without causing the drilling to occur.

  The construction of the drilling tool for the metal profile according to claim 1 of the present invention taken to achieve the object will be described using the reference numerals used in the examples. A drilling tool for a top wall or a side wall of a profile, which includes a pair of left and right first handles 1 and 2 arranged substantially in parallel, and tip portions 11 and 21 of both handles 1 and 2 are pivoted 12. , 22 and a pair of male and female punching jigs 4 and 5 that are vertically opposed to each other with a profile receiving space A formed in the punching tool body 3 interposed therebetween. The punching tool body 3 has a height H larger than the height of the opposing side wall h of the shape to be drilled, and is cut into a U shape from one side in the width direction to the other side. A profile receiving space A is formed, and the profile receiving space A is formed One of the male and female jigs of the drilling jigs 4 and 5 and one of the male and female jigs of the other wall part 33 are placed on the space A side. Further, a guide roller guide curved surface 37 and guide rollers formed on the upper and lower ends thereof on the outer peripheral wall 36 on the side opposite to the formation side of the shape receiving space A or in the vicinity thereof. The first handle 1 is always pulled in the direction of the fixing pivot 12 by a coil spring S, and comes into contact with the guide roller guide curved surface 37 when it swings and rotates about the pivot 12 as a fulcrum. The lower end portion of the guide roller 14 that moves in the vertical direction and the pivot pin 13 of the guide roller 14 or its vicinity is pivoted, and the upper end portion is connected to the upper portion of either the male or female punching jig 4. Contact lever 15, the second handle 2 is connected via a pivot pin 24, 26 between the distal end portion 23 of the fixing pivot 22 and the lower part of the other male or female drilling jig 5. The connecting lever 25 is provided.

  The requirement described in claim 2 is that the punching tool main body 3 is formed by two front and back plates 31 and 31 and is connected at a predetermined interval in the thickness direction.

  According to a third aspect of the present invention, the male and female drilling jigs 4 and 5 in the drilling tool for the metal profile according to the first aspect are formed to be exchangeable with a plurality of jigs having different drilling sizes. It is in having a configuration.

  The requirement described in claim 4 is that the guide roller fixing portion 38 formed on the upper end side of the guide roller guide curved surface 37 formed in the punching tool main body 3 in the drilling tool for the metal profile according to claim 1 is provided. The guide roller 14 is a step portion that prevents the upward movement of the guide roller 14, and the guide roller fixing portion 39 formed on the lower end side is a concave portion that restricts the upward and downward movement of the guide roller 14.

  As described above, in the drilling tool for a metal profile according to the present invention, the profile receiving space A formed in the drilling tool main body has a height larger than the height of the opposing side wall h of the profile to be drilled. H is a space that is cut in a U shape from one side in the width direction to the other side, and is formed on one wall portion of the vertically opposing wall that forms the shape receiving space A One of the male and female jigs of the drilling jig is arranged, and one of the male and female jigs is arranged on the other wall, and each jig is arranged so as to be able to move out toward the space A side. Even if the shape of the object to be drilled is already suspended under the ceiling of the building or assembled in another formwork, etc. The shape receiving space A formed at a height H larger than the height of the opposite side wall h is on the side with respect to the shape. Then, it can be inserted into the space as it is applied to the space A, and then the shape material inserted into the space A is directed to the space A side on the opposing wall portion in the vertical direction of the space A. By moving the male and female drilling jigs, which are arranged so as to be freely retractable, toward the space side, it has become possible to perform a required drilling process on the top wall part or the side wall part of the profile.

  Further, the first handle has a lower end at a pivot pin of the guide roller which moves up and down while contacting a guide roller guide curved surface formed on the punching tool body when swinging and rotating with the fixing pivot as a fulcrum, or at a lower portion thereof. By providing a connecting lever with a pivoted part and having its upper end connected to the upper part of one drilling jig, the drilling of one of the drilling levers is made possible by utilizing the vertical movement of the lower end of the connecting lever. Since the tool can be moved greatly up and down, the drilling action part of the one drilling jig is moved to the top wall or the inner surface side of the side wall of the profile received in the profile receiving space A. It has a remarkable effect that it can be moved and a beautiful drilling process can be performed with the other drilling jig.

  In this way, the drilling of the top wall or side wall portion of the profile is performed using a generally known male and male drilling jig, but the drilling tool is moved from one end of the profile to the position necessary for drilling. Since there is no need to move sequentially, even if there are hanging bolts etc. between the end of the profile and the location required for drilling, there will be Without being, the drilling tool is applied from the side to the part that requires drilling of the profile so that the profile can be received in the profile receiving space A. Therefore, drilling can be performed very easily and quickly without noise, and even in noise-prohibited areas or nighttime construction, the construction can be continued without interruption. It was possible to

  In the embodiment of the present invention, the plate body constituting the punching tool body 3 may be formed as a single plate. However, as described in claim 2, the plate body 31 having two front and back sides is provided. , 31 can be arranged at a predetermined interval in the thickness direction, and jigs, connecting levers, springs, etc. can be arranged in the interval, so that unnecessary projections are formed on the outer surface. It can be made easy to use as it does not protrude.

  In addition, as described in claim 3, by making the male and male drilling jigs 4 and 5 interchangeable with a plurality of jigs having different drilling sizes, they are used for a plurality of types of drilling processes having different drilling diameters. The utility value can be increased in that it can be used.

  Furthermore, as described in claim 4, the guide roller fixing portion 38 formed on the upper end side of the guide roller guide curved surface 37 formed in the punching tool body 3 is prevented from moving upward of the guide roller 14. A guide roller fixing portion 39 formed on the lower end side as a stepped portion is formed as a concave portion for restricting the vertical movement of the guide roller 14, thereby facilitating the movement of the guide roller 14 and a handle when not in use. It is preferable in that the posture stability can be achieved.

  Embodiments of the present invention will be described below with reference to the drawings. 1 to 9 are views showing a first embodiment of a drilling tool for a metal profile according to the present invention. 1 is an overall side view of a non-use state, FIG. 2 is an enlarged side view showing an internal structure of the main part, FIG. 3 is an overall side view showing a state in use, and FIG. 4 is an internal structure of the main part. FIG. 5 is an overall side view showing a state in which the first handle is operated, FIG. 6 is an enlarged side view showing the internal structure of the main part, and FIG. 7 is a state in which the second handle is operated. FIG. 8 is an enlarged side view showing the internal structure of the main part, and FIG. 9 is a perspective view of the profile shown in the embodiment.

  For example, as shown in FIGS. 9 and 10, the drilling tool for the metal profile according to the present invention bends a thin metal plate such as a thin iron plate, a thin steel plate or a stainless steel plate, or a non-ferrous metal plate material, The C-shaped channel made of aluminum or non-ferrous metal drawn material, groove-shaped steel, channel-shaped steel, etc., and the open ends of the opposite side walls f, f are directed further inward. A tool for drilling a hole of a required size in the top wall t of a shaped steel material for a metal shaped steel material bent into a horizontal shape, a square shape, a U shape, etc. The drilling tool shown in the first embodiment is shown in FIGS. 4 and 9 and has a structure capable of drilling a shape steel material already suspended or assembled under the ceiling or the like. The open ends of both side walls f and f are further inside with a U-shaped cross section. It is described as target profile that is bending a U-shaped headed to.

  Thus, the drilling tool shown in this embodiment has a pair of left and right first handles 1 and 2 that are arranged substantially in parallel as seen in the side view of the non-use state shown in FIG. The distal end portions 11 and 21 of both the handles 1 and 2 are connected to the punching tool main body 3 via the pivot shafts 12 and 22. Further, the punching tool body 3 is formed by two front and back plates 31, 31 and is connected with a predetermined interval in the thickness direction. The two front and back plate bodies 31, 31 are formed with a profile receiving space A having the same shape as the front and back, and a pair of male and female punching jigs 4, 5 sandwiching the space A vertically. It is arranged to face each other.

  As shown in FIG. 4, the punching tool main body 3 has a height H larger than the height of the opposing side wall h of the drilling target shape C, and one side in the width direction (in FIG. A shape receiving space A cut into a U-shape from the right side to the other side (the left side) is formed. In the shape receiving space A, the female jig 4 of the drilling jigs 4 and 5 is arranged on the upper wall 32 of the opposing walls 32 and 33 in the vertical direction, and the lower wall part is arranged. The male jig 5 is arranged at 33, and each of them is formed so as to be able to move in and out toward the space A side.

  Further, on the outer peripheral wall 36 on the opposite side (the left side in the figure) of the shape receiving space A, a guide roller guide curved surface 37 is provided in a substantially lower half portion in the vertical direction, and a guide roller fixing portion 38 is provided at the upper and lower ends thereof. , 39 are formed. The guide roller fixing portion 38 formed on the upper end side of the guide roller guide curved surface 37 is a step portion that prevents the guide roller 14 from moving upward, and the guide roller fixing portion 39 formed on the lower end side is The recesses are configured to restrict the vertical movement of the guide roller 14.

  The first handle 1 is always pulled in the direction of the fixing pivot 12 provided on the distal end side by a tension coil spring S whose one end is locked to the fixing pin 40, and swings and rotates about the pivot 12 as a fulcrum. A guide roller 14 that moves in the vertical direction while contacting the guide roller guide curved surface 37, and a pivot pin 13 that pivotally supports the guide roller 14, and the pivot pin 13 has a lower end portion. The connecting lever 15 is formed in a substantially L shape and is pivotally connected to the upper end portion of the connecting lever 41 that is connected to the upper portion of the drill jig 4 arranged at the upper portion via a pivot pin 16. It has. The vertical movement of the guide roller 14 portion of the first handle 1 is transmitted to the vertical movement of the drilling jig 4 via the connecting lever 15.

  The second handle 2 is connected to a distal end portion 23 of the fixing pivot 22 and a lower portion 51 of the lower-placed drilling jig 5 via pivot pins 24 and 26. The movement of the second handle 2 is transmitted to the drilling jig 5 via the connecting lever 25.

  In the use of the drilling tool for the metal profile according to the present invention having such a structure, the first and second handles 1 and 2 shown in FIG. As shown in FIG. 3, the two handles 1 and 2 are opened so as to open outward in the left-right direction, and the male and female perforation jigs 4 and 5 protruding into the shape receiving space A by this operation are respectively moved up and down. Move in the direction to form a U-shaped space. In this state, as indicated by an arrow y in FIGS. 3 and 4, the tool is moved laterally with respect to the shape C so that the shape C is received in the space A from the side.

  In this state, as shown in FIG. 5, only the first handle 1 is operated and moved in the original position direction, that is, in the upright posture direction, thereby expanding the upper perforation as shown in FIG. The jig 4 is lowered from above into the internal space of the profile C, and the lower surface of the jig 4 is brought closer to the inner surface of the top wall t of the profile C.

  Subsequently, as shown in FIG. 7, by operating the second handle 2 in the original position direction, that is, in the upright posture direction, as shown in an enlarged view in FIG. Ascending toward the inside of A, the top wall t of the shape member C is perforated by the perforating blade 51, and it is inserted into the blade receiving hole 41 of the female side perforating jig 4. In this way, the drilling of the profile C into the top wall t is completed.

  After perforating the top wall t of the profile C in this way, the profile is received by opening the first and second handles 1 and 2 toward the outside in the left-right direction as shown in FIG. The male and male drilling jigs 4 and 5 are moved up and down from the space A to retreat from the shape receiving space A, so that the space A becomes a U-shaped space. Move to the outside to complete the drilling operation on the profile C.

  As described above, the tool is approached from the side with respect to the profile C, the profile C is received in the profile receiving space A, and after drilling, the tool is moved outward from the profile C and moved away. Because the shape C received in the shape receiving space A can be moved away from the space A, the shape C that requires drilling has already been suspended under the ceiling or the like. Even in the case of the shape member assembled to this member, it is possible to perform drilling at a necessary portion of drilling.

  The shape C shown in the above embodiment has a U-shaped cross section as shown in FIG. 9 and is formed by bending the open ends of both side walls f, f into a U-shape further inward. Although the material has been described, in addition to this, for example, as shown in FIGS. 10 (a), 10 (b), and 10 (c), the shape C having a U-shaped cross section and the opposite side walls thereof Drilling can also be performed in the same manner for the profile C formed with the open end of f, f in a horizontal shape toward the inner side, the profile C formed in a square shape, and the like. .

  The male and female drilling jigs 4 and 5 for drilling in the shape C are, for example, holes having different drilling sizes as shown in FIGS. 11 (A), (B) and (C). In order to pierce, a plurality of jigs in which the diameters of the drilling blade 51 and the blade receiving hole 41 described with reference to FIG. The shape of the attachment part of the drilling jigs 4 and 5 is formed so that it can be used after replacement.

  The drilling target profile C of the drilling tool shown in the first embodiment is one whose profile C is released upward, that is, the top wall t is suspended downward by a bolt or the like, and its lower surface. The ceiling plate or rafter is attached to the side for use. However, as in the second usage means shown in FIGS. 12 to 14, for example, the profile C is in the downwardly released state, that is, A case will be described in which the top wall t is hung with a hanging bolt or the like with the top wall t facing upward.

  12 is similar to FIG. 3 described in the first embodiment in that the first and second handles 1 and 2 are opened from the approaching posture in the non-use state so as to open outward in the left-right direction. The receiving space A is a U-shaped space, and the space A of this tool is moved laterally in the direction of the arrow y in FIG. Accept within A.

  With the shape C thus received in the space A, the tool is further moved upward to be positioned on one side wall f of the shape C, that is, on the back side of the space A as shown in FIG. The side wall f of the shape member C to be moved is moved into the small space a connected and formed below the side wall 34 forming the space A.

  Subsequently, as explained in the first embodiment, only the first handle 1 is operated in the original position direction to lower the upper drilling jig 4 so that the lower surface of the jig 4 is the top wall of the profile C. Next, the second handle 2 is operated in the original position direction to raise the lower drilling jig 5, and the male and male drilling jigs 4 and 5 are attached to the top wall t of the profile C. Perforate. The operation of the tool after drilling may be performed in substantially the same manner as described in the first embodiment except for the operation of lowering the tool and removing the side wall f of the profile C from the small space a.

  In addition, it is the shape material which bent the free end side of the side wall f and f like the shape material C shown as figure (b) and (c) in the said FIG. 10, and the shape material C illustrated in the 1st Example. And when using the space part between the side walls f and f for the drilling process to the profile C attached as downward opening, what is necessary is just to set and implement the width | variety and the depth of the said small space a. Needless to say.

  FIG. 15 shows the profile C in the horizontal orientation, that is, in a posture in which the side walls f and f are positioned in the vertical direction, the top wall t is positioned on one side, and is open in one horizontal direction. This shows the relationship between the profile C and the drilling tool when drilling the side wall f on the lower side of the profile C. Since the specific drilling operation is as described in the first embodiment, its description is omitted. In this way, the drilling tool according to the present invention can also perform drilling on the side wall f of the profile C.

  Although the embodiment considered to be representative of the present invention has been described above, the present invention is not necessarily limited to the embodiment itself described here, and has the constituent features described in the present invention. It can be implemented by appropriately modifying within the range that achieves the purpose mentioned above and has an effect.

  The drilling tool for metal profiles according to the present invention is capable of drilling easily and quickly without noise in any location even for profiles already suspended under the ceiling, which was difficult in the past. Since it can be processed, if it is provided to the market, it is highly accepted among construction contractors and is likely to be useful.

The whole side view of a non-use state. The enlarged side view which showed the internal structure of the principal part. The whole side view which showed the state at the time of use. The enlarged side view which showed the internal structure of the principal part. The whole side view which showed the state which operated the 1st handle | steering-wheel. The enlarged side view which showed the internal structure of the principal part. The whole side view which showed the state which operated the 2nd handle | steering-wheel. The enlarged side view which showed the internal structure of the principal part. The perspective view of the profile shown in this Example. The perspective view which illustrated other shape members. The side view which illustrated other punching jigs. The whole side view equivalent to FIG. 3 which showed the 2nd use means. The enlarged side view equivalent to FIG. 4 explaining the said means. The another enlarged side view explaining the means. The whole side view equivalent to Drawing 3 showing the 3rd use means.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 1st handle | steering_wheel 11,21 Handle front-end | tip part 12,22 Fixing pivot 14 Guide roller 2 2nd handle 23 Fixing-pivot front end part 24,26 Pivoting pin 25 Connection lever 3 Punching tool main body 31 Plate body 32, 33 Opposite Wall 37 Guide roller guide curved surface 38, 39 Guide roller fixing part 4, 5 Drilling jig A Profile receiving space h Opposite side wall S Coil spring

Claims (4)

A drilling tool for a top wall or a side wall in a metal profile formed in a U-shaped cross section,
A pair of left and right first handles (1) and second handle (2) arranged substantially in parallel, and the tips (11, 21) of both handles (1, 2) are connected via pivots (12, 22). The connected drilling tool body (3) and a pair of male and female drilling jigs (4, 5) disposed vertically opposite to each other with the shape receiving space (A) formed in the drilling tool body (3) interposed therebetween. )
The punching tool main body (3) has a height (H) larger than the height of the opposing side wall (h) of the shape to be drilled, and has a height from one side in the width direction to the other side. A shape receiving space (A) cut into a letter shape is provided, and one of the wall portions (32) of the vertically facing walls (32, 33) forming the shape receiving space (A) is formed in the perforation treatment. One of the male and female jigs of the tool (4, 5) is arranged on the other wall part (33) so that either the male or female jig can be moved back and forth toward the space (A) side. , A guide roller guide curved surface (37) and guide roller fixing portions (38, 38) formed on the upper and lower ends thereof on the outer peripheral wall (36) opposite to the cut side of the shape receiving space (A) or in the vicinity thereof. 39)
The first handle (1) is always pulled in the direction of the fixing pivot (12) by a coil spring (S), and when it swings and rotates about the pivot (12) as a fulcrum, the guide roller guide curved surface (37) and The guide roller (14) that moves up and down while in contact with the pivot pin (13) of the guide roller (14) or its vicinity is pivoted, and the upper end is either the male or female. A connecting lever (15) connected to the top of the tool (4),
The second handle (2) has a pivot pin (24, 26) between a distal end portion (23) of the fixing pivot (22) and a lower portion of the other male or female drilling jig (5). A drilling tool for a metal member having a structure including a connecting lever (25) connected to each other. 2. The drilling of a metal profile according to claim 1, wherein the punching tool body (3) is formed by two front and back plates (31, 31) and is connected at a predetermined interval in the thickness direction. tool. The drilling tool for metal profiles according to claim 1 or 2, wherein the male and male drilling jigs (4, 5) are formed to be exchangeable with a plurality of jigs having different drilling sizes. The guide roller fixing portion (38) formed on the upper end side of the guide roller guide curved surface (37) is a step portion that prevents the guide roller (14) from moving upward, and the guide roller fixing portion formed on the lower end side. The drilling tool for a metal profile according to any one of claims 1 to 3, wherein (39) is a recess for restricting the vertical movement of the guide roller (14).

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