JP4589455B1 - Sheet metal cutting tool - Google Patents

Abstract

【Task】
Conventional sheet metal cutting tools include large machines and tools, but large machines cannot be used at the work site, and cutting with a cutting tool is a strain curve and is not useful. In addition, in order to cut a sheet metal at a work site, cutting with a scissors is usual, and there are problems and drawbacks. The present invention provides a sheet metal cutting tool that can perform straight line cutting to eliminate the problem.
[Solution]
It consists of upper and lower body support base and main body base, and a pair of rotatable cutting rollers attached and fitted together, and a guide roller equipped with a rubber layer on the outer periphery, and a base plate with a thickness of 0 to cut the sheet metal This is a sheet metal cutting tool that enables long and short linear cutting.
[Selection] Figure 1

Description

  The present invention relates to sheet metal cutting, and more specifically, using a scissors to cut tin and tinplate at a construction site. The present invention relates to a sheet metal cutting tool capable of accurately and quickly cutting a long and short sheet metal object in a straight line at the site, which has achieved a desired sheet metal cutting treatment.

  Regarding conventional sheet metal cutting tools, there are large-sized tools that can perform sheet metal bending and cutting operations with a sheet metal processing machine, and can effectively use a part of the member having a sheet metal bending function as a sheet metal cutting member. It was. (See Patent Document 1)

  Regarding a conventional sheet metal cutting tool, a sheet metal cutting tool is mounted on a mounting portion provided with a grip, and a pair of upper and lower disk-shaped cutters are rotatably mounted via support shafts, and a blade portion formed on the peripheral edge of both disk-shaped cutters. Was partially polymerized in the left-right width direction. Accordingly, there are some that can be made light and compact and have a simple structure, are easy to handle, and can cut a sheet metal into a beautiful straight line even by an amateur. (See Patent Document 2)

JP-A-6-262457 Japanese Utility Model Publication No. 7-27721

A large-sized sheet metal working machine described in Patent Document 1 can perform a sheet metal bending operation and a cutting operation, and a part of a member having a sheet metal bending function can be effectively used as a sheet metal cutting member. Although there was a cutting machine, at the construction site, it is useless at the site where the desired sheet metal members are insufficient, because the treasure is rotted and nothing is added.

In the sheet metal cutting tool described in Patent Document 2, a pair of upper and lower disk-shaped cutters are rotatably mounted on a mounting portion provided with a grip portion via respective support shafts, and are formed on the peripheral edge portions of both disk-shaped cutters. And the mounting portion is formed on a smooth surface for at least one side surface sheet metal guide, and a pair of upper and lower disk-shaped cutters are supported on the smooth surface via a support shaft. The front and rear positions can be adjusted in the left-right width direction, and instead of a pair of upper and lower disk-shaped cutters, a pair of upper and lower folding rotating bodies can be attached to the mounting portion. In addition, a sheet metal cutting tool in which a sheet metal insertion gap is formed, which is manufactured as in the embodiment and cuts the material sheet metal several tens of times. do not become.
If the outer end of the collar portion formed on the lower mounting plate is abutted and cut as described in 0044 in the description of the drawings for carrying out the invention of Patent Document 2 above, Since the sheet metal cutting tool is stable, it can be cut straight, and as a result, there is a drawback or problem that the straight cutting cannot be performed but the straight cutting cannot be performed, and the lower mounting plate has a problem. The sheet metal cutting tool provided with the formed collar is not useful.

In the present invention, a sheet metal is sandwiched between a pair of rubber-equipped guide rollers provided on a base support upper and lower base provided with a sheet metal insertion opening on the rear side of the base and a pair of cutting roller blades. A sheet metal cutting tool that enables split sheet metal to be fed from the rear to the front using three through rollers with rubber and three through rollers provided under the main body base. The main body support upper base provided with a hook and a base and the main body support lower base provided with the base are combined at an inclination angle of 2 degrees, and the combined main body upper and lower bases The main body base portion is formed in a shape having an acute-angle gap space inside, and the rear of the acute-angle space is a sheet metal insertion opening, and the thickness at the position where the main body support upper and lower base base portions intersect with each other is the 0-thick plate Provided Provided with three holes in series at equal intervals in parallel with the base portion on the main body base base portion, and on the base portion, three rotatable rubber-equipped through rollers and a rotation support shaft are engaged, Three holes are inserted and fitted , and three holes are provided in series at equal intervals in parallel under the main body base , and three rotatable rollers and a rotation support shaft are engaged under the base to connect the three holes. The base support upper and lower base base part is provided by being inserted into one hole, provided with a hole in the protrusion part of the lower part of the main body base, and engaged with the hole by engaging a rotatable auxiliary roller. A hole is provided on the upper and lower sides along the base portion, and a rotation support rod is engaged with the pair of rotatable cutting roller blades on the upper and lower portions of the base portion so as to be fitted with the holes. parallel to the part take a gap provided respectively two holes, Serial base portion is inserted and rotatable pair dated rubber guide rollers two sets engaging said respective two holes a rotary support shaft vertically provided, the hole provided in the projecting portion of the main body lower base lower part, The rotation support shaft is engaged with the rotatable auxiliary roller and fitted into the hole on the protrusion, and the holes above and below the base and the hole of the protrusion and the diameter of the rotation support shaft are all the same diameter. The sheet metal is sandwiched between two pairs of rubber-equipped guide rollers provided on the base support upper and lower bases and the pair of cutting roller blades, and the sheet metal is drawn manually, thereby enabling the sheet metal to be cut linearly.

The pair of cutting roller blades described above according to the present invention is configured by two cutting roller blades having the same shape and the same diameter, and the cutting roller blades are blades formed on a convex circular outer peripheral edge, and the convex type A concave portion for fitting a via ring is provided on the circular back surface, a via ring is fitted and provided in the concave portion, a hole having the same diameter as the inner diameter of the via ring is provided at the center of the convex circle, and the cutting roller blade is When cutting the sheet metal, the sheet metal can be cut linearly by providing a taper of 2 degrees outward from the outer peripheral edge of the convex mold as a means for preventing sheet metal biting and providing the tip of the cutting roller blade at an acute angle .

The two pairs of rubber-equipped guide rollers provided on the main body supporting upper and lower bases and the three rubber through rollers provided on the main body base base of the present invention have the same shape and the same diameter. The sheet metal divided and divided by sticking a rubber ring to the entire outer periphery of the guide roller and the through roller can be delivered to the outside, and the sheet metal is provided as means for preventing lateral vibration of the cut in a straight line, and The two sets of rubbers are provided with a marking line red mark at the center position of the rubber layer width provided on the entire outer periphery of the guide roller, and the sheet metal cutting roller is capable of cutting the sheet metal linearly. The attached guide roller and the three rubber-equipped through rollers were further assisted so that the sheet metal could be accurately cut in a straight line.

  The sheet metal cutting tool of the present invention is a sheet metal cutting process in which the sheet metal cutting portion does not become a distortion curve and can be accurately and quickly linearly cut, so that the main body support base upper cutting roller blade and the main body support base lower cutting roller The center point of the blade is shifted forward by 1 degree, and after cutting the sheet metal, it is provided so that the sheet metal divided by the 0-thick plate of the main body base is smoothly separated from the upper and lower sides of the main body base. A rubber layer is provided on the outer periphery of the pair of guide rollers at the rear of the main body support upper and lower bases, and the rubber layer is provided on the outer periphery of the pair so as to eliminate lateral vibration and enable straight cutting of the sheet metal.

  Since the present invention has the above-described configuration, it is easy to hold and is lightly attached to the waist with a small-sized light sheet metal cutting tool and can always be carried and carried, so there is a shortage of sheet metal processed products that have been processed at factories in remote construction sites. This is a sheet metal cutting tool that can be used immediately on site without the need to use a flaw or return to the factory, so it saves valuable time and labor, ensuring economic effects and reliable delivery. There is an effect that can be done.

The side view of the sheet metal cutting tool used as the Example of the form of this invention The top view of the sheet metal cutting tool used as the Example of the form of the present invention Elevated view of a pair of cutting roller blades of a sheet metal cutting tool according to an embodiment of the present invention. Elevated view of a pair of guide rollers of a sheet metal cutting tool according to an embodiment of the present invention The top view of 2 sets of a pair of guide rollers of the sheet metal cutting tool used as the Example of the form of this invention Elevated view of through roller with rubber on main body support base and through roller under main body instruction base of sheet metal cutting tool as an embodiment of the present invention The top view of the base part of the main body support base of the sheet metal cutting tool used as the embodiment of the present invention and the through roller with rubber The side view of the basic structure of the sheet metal cutting tool main body used as the Example of the form of this invention

  Hereinafter, embodiments of the present invention will be described with reference to FIGS. 1 to 8 as examples.

FIG. 1 is a side view of a sheet metal tool as an embodiment of the present invention. The main body includes a main body base 1 including a base portion 4 and a main body support upper base 2 including a main body support lower base 3 and a hook 12. Three opening holes 20 are formed in the upper portion of the base portion 4 of the main body base 1 and the rotation support shaft 14 is inserted into the three portions, three at the lower portion, and one at the bottom portion. An opening hole 20 for inserting the rod 13 and two openings (holes 20) for inserting the rotation support shaft 14 are provided, and an opening for inserting the rotation support rod 13 in the lower part of the main body support lower part 3 base part 4. Two openings (holes 20) for inserting the part (hole 18) and the rotation support shaft 14 are provided at two places and one at the bottom, and the rotation support rod 13 and the rotation support shaft 14 are provided at the opening, and the rubber used for the main body is provided. Guide roller 6 and through roller 7 with rubber and through roller 8 and the hole 20 in the opening of the auxiliary roller 10 are preferably provided with the same diameter.
The main body base 1 is divided under the main body base 1 with three guide rollers 7 having a rubber layer on the outer periphery on the main body base so as to eliminate the damage and vibration of the sheet metal and to make a straight cut. Three through rollers 8 are provided under the main body base so as to gently feed the sheet metal downward, and an auxiliary roller 10 is provided at a protrusion below the main body base bottom 1, Two pairs of cutting roller blades 5 for cutting the sheet metal and two pairs of guide rollers 6 for correctly feeding the sheet metal are provided at the lower part of the main body support base 1, and a rubber layer 17 is provided on the outer periphery of the pair of guide rollers 6 A red mark 21 is preferably provided at the center of the rubber layer 17 with the rubber layer 17 attached.
A hook 12 serving as a puller is provided at the rear of the upper part of the main body support base 1, and a sheet metal insertion port 9 is provided in the gap between the upper part of the main body support base 1 and the base part 4 of the main body support base 1. An auxiliary roller 10 may be provided on the protrusion.
A pair of cutting roller blades 5 provided on the main body indicates a sheet metal cutting position 11 on the main body base 4 where the material sheet metal is cut.

FIG. 2 shows a plan view of a sheet metal tool according to an embodiment of the present invention. The rubber support through 14 is engaged with the rotation support shaft 14 on the main body support base 1 so as to feed out the raw sheet metal, and three through rollers with rubber are inserted into the holes 20. 7 is provided, and a pair of cutting rollers 5 for engaging the rotation support rod 13 with the upper and lower parts of the main body support upper and lower parts 2 and linearly cutting the sheet metal into the holes 18 are provided. A pair of rubber-equipped guide rollers 62 for engaging the rotation support shaft 14 with 2 and accurately assisting straight cutting of the material sheet metal is fitted and provided, and the two sets of the rubber-equipped guide rollers 6 are provided behind the pair of rubber-equipped guide rollers 6. The insertion port 9 may be provided. It is preferable to provide a red marking on the center of the rubber layer around the two pairs of guide rollers.

FIG. 3 shows an elevational view from the rear of a pair of cutting roller blades 5 as an embodiment of the present invention, and the pair of cutting rollers 5 provided on the circular outer periphery uses a high-speed steel material, external circular to convex, the large diameter end of the outer peripheral edge of the convex provided a cutting roller blade 5 provided with a tapered portion 16 of two degrees, the interior of said convex type provided with concave and lathe drilling, the present invention When the sheet metal is cut using the sheet metal cutting tool , the via ring 15 is fitted so that rotation and gap errors are eliminated, and the via hole 15 has the same center hole diameter as the inner hole of the via ring 15. A hole 20 having a diameter is provided, opened up and down on the main body support upper and lower base 2, and engaged with the rotation roller rod 13 in the hole 18, fitted with the cutting roller blade 5, and provided above and below the main body support upper and lower base. Double-blade exchange of a pair of cutting roller blades 5 Polymerization interval may be provided as a 0,8Mm.
In addition, it is good to provide the rotation support rod 13 engaged with the hole 20 opened in the said main body support upper-and-lower part base | substrate 2, and the hole 20 provided in the said cutting-roller blade 5 center.

    FIG. 4 is an elevation view of a pair of rubber-equipped guide rollers 6 of a sheet metal cutting tool according to an embodiment of the present invention, and is opened so that the rotation support shaft 14 passes through a circular center having a wall thickness of 15 mm. 20, a rubber layer is provided on the outer periphery of the guide roller provided with the recess, and the rotation support shaft 14 is engaged with the hole 20 provided above and below the main body support upper and lower bases 2 so as to be engaged with the guide roller 6 with rubber. Accordingly, a pair of rubber-equipped guide rollers may be provided.

FIG. 5 shows two sets of plan views of a pair of rubber-equipped guide rollers 6 of a sheet metal cutting tool according to an embodiment of the present invention, and the formation described in FIG. A hole 20 is opened in the lower base 3 and provided in parallel with two gaps between them, and provided at the same position perpendicular to the upper base and the lower base, and the rotation support shaft 14 is engaged with the two pairs of rubbers. The attached guide roller 6 is preferably fitted and provided. In the cutting of the sheet metal, the two pairs of rubber-equipped guide rollers 6 are connected and formed in series, so that the sheet metal can be pressed from the top and bottom to prevent lateral vibration and linear cutting is possible. Good.

FIG. 6 is an elevational view of the guide roller 7 with rubber on the main body support base and the lower guide roller 8 on the main body support base of the sheet metal cutting tool according to the embodiment of the present invention. The three upper through rubber rollers 7 in series and the three lower through rollers 8 in series with a gap under the main body support base 1 are shown in parallel with the base having a gap for feeding out the sheet metal after cutting. The upper guide roller 7 has the structure described in FIG. 4, and the lower guide roller 8 has a structure in which the rubber layer on the outer periphery of the roller is removed from the formation of the upper guide roller 7, and the main body support base 1 is spaced above and below. It is preferable to provide three holes 20 in series parallel to the base portion, and to engage the rotation support shaft with the previous hole 20 so that the through roller with upper rubber and the lower through roller are fitted. And, wherein the rubber with the through roller 7 is to serve as a supplementary to cut straight to prevent vibration and waving of the sheet metal at the sheet metal cutting good.
In addition, it is good to provide the recessed part opened in the circular side surface center of the said through-roller 7 with an upper rubber | gum and the said lower through-roller 8, and the hole 20 which penetrated the circular center, and to provide the rotation support shaft 14 to engage.

FIG. 7 is a plan view of the main body support base 1 base portion 4 and the upper rubber-equipped through roller 7 of the sheet metal cutting tool according to the embodiment of the present invention. The rubber formed as shown in FIG. 6 is provided in which three holes 20 are provided in series in parallel with each other, a rotation support shaft is engaged, a guide roller is fitted, and the sheet metal cut from the material sheet metal is fed. The attached through roller 7 and the base part 4 are shown. Further, in the main body base 4, the base part 4 intersection 0 thick plate part 22 is shown, and the main part of the base part 4 of the main body of the sheet metal cutting tool is cut into two parts after cutting the material sheet metal. It may serve to divide the base portion 4 into upper and lower portions.
1 to 7, the pair of cutting roller blades 5, the pair of guide rollers 6 with rubber, the through guide roller 7 with upper rubber, the lower through roller 8, and the auxiliary roller 10 are rotatable. It is good to provide.

FIG. 8 shows a side view of the basic structure of a sheet metal cutting tool main body which is an embodiment of the present invention. The base portion 4 of the main body support base 1 of the main body, the base portion 4 of the main body support lower base 3, and the main body support upper portion. The side surface of the base 2 is illustrated, and the base portion 4 of the main body support base 1 and the base portion 4 of the main body support upper base 2 are provided as the base portion 4 of the main body. A main body support upper base 2 is provided at an angle of 2 degrees at the center point of the entire length, the main body support upper base 2 is about one third longer than the base portion 4, and a hook 12 is provided at the rear. The thickness of the base part 4 is set to about 5 mm to 7 mm, and the lower part of the main body support upper base 2 is provided with a thickness of about 5 mm to 7 mm. intersection of the foundation 2 body base portion 4 Base thickness 0mm, and the provided and the upper base 2 and the body base portion crossing the base over scan portion of the 4 4 intersections 0 plank 22, by providing the body base portion 4, divided sheet metal cut material sheet metal 2 The sheet metal 25 that is divided and cut at the base part 4 intersection 0 thick plate part 22 is drawn to the three upper rubber through-rollers 7 on the front part of the main body base part 4, and the other divided sheet metal 26 is The sheet metal is guided by the three lower through rollers 8 in the lower front part of the main body base part 4 so as to be divided into upper and lower parts, so that the sheet metal can be cut linearly.

1. Main body support base 2, Main body support upper base 3, Main body support lower base 4, Base part 5, A pair of cutting rollers 6, A pair of guide rollers 7 with rubber, Through roller 8 with upper rubber, Lower through roller 9, Sheet metal Insert 10, auxiliary roller 11, sheet metal cutting position 12, hook 13, rotation support rod 14, rotation support shaft 15, via ring 16, taper portion 17, rubber layer 18, hole 19, recess 20 provided in the guide roller and through roller , Hole 21, marking line red mark 22, 0 thick plate portion 23, base portion lower inclined portion 24, material sheet metal 25, one divided sheet metal 26, the other divided sheet metal

Claims (3)

3 provided on the base part of the main body base plate by cutting the sheet metal by sandwiching the metal plate between two pairs of guide rollers with rubber provided on the upper and lower base parts of the main body support provided with the sheet metal insertion opening on the rear side of the base part. A sheet metal cutting tool in which a divided sheet metal can be fed forward from the rear by three through rollers with rubber and three through rollers provided under the main body base, wherein the sheet metal cutting tool includes the base portion. The main body support upper base provided with a hook and a base on the main body base and the main body support lower base provided with the base portion are combined at an inclination angle of 2 degrees, and the inside between the combined main body upper and lower bases is an acute angle configuration of the gap formed in a shape having a space, said rear acute angle space as a sheet metal insertion opening, provided with the main body supporting body base portion upper and lower base base portion has a thickness in the position the united crossed with 0 plank so, The pair of superposed cutting roller blades that can rotate up and down the body support upper and lower base portions and two pairs of rotatable guide rollers with rubber so that the sheet metal can be sandwiched and cut in a straight line are provided. The sheet metal divided and divided into three shapes can be accurately fed to the outside, and can be rotated and swung on the main body base base part so as to be distorted. Three flexible through rollers are provided, and the sheet metal is provided by providing auxiliary rollers on the projections of the lower part of the main body base and the lower part of the lower part of the main body so that the sheet metal can be linearly cut even between soils. A sheet metal tool characterized in that it can be cut linearly. The pair of cutting roller blades according to claim 1 is composed of two cutting roller blades having the same shape and the same diameter, and the cutting roller blade is a blade formed on a convex circular outer peripheral edge, and the convex circular blade A recess for fitting a via ring is provided on the back surface of the plate, a via ring is provided in the recess, a hole having the same diameter as the inner diameter of the via ring is provided at the center of the convex circle, and the cutting roller blade is a sheet metal. When cutting, the sheet metal can be cut linearly and sharply by providing a taper of 2 degrees outward from the outer peripheral edge of the convex mold as a means for preventing sheet metal biting, and providing the tip of the cutting roller blade at an acute angle . A pair of cutting rollers characterized in that. The two pairs of rubber-equipped guide rollers provided on the upper and lower body support bases according to claim 1 and the three through-rollers with rubber provided on the base body base part have the same shape and the same. By attaching a rubber ring to the entire outer periphery of the guide roller and the through roller of the diameter, the divided and divided sheet metal can be distributed to the outside, and the sheet metal is linearly provided as a lateral vibration preventing means for cutting, and The two sets of the above-mentioned two sets are provided with a marking mark red mark at the center position of the rubber layer width provided on the entire outer periphery of the guide roller, and the sheet metal cutting roller can cut the sheet metal linearly. rubber with guide rollers and the three rubber with through roller is further auxiliary, with rubber through rollers and a pair of rubber with guide rollers, characterized in that to be able to accurately cut straight to the sheet metal .

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