JP7137266B1 - Forming tools for sheet metal lures - Google Patents

Abstract

A forming tool is provided that allows a user to easily perform final forming or modification of a lure made of sheet metal at hand. A sheet metal lure forming tool according to the present invention is a metal anvil having a portable weight and size and having a flat upper surface. A contact portion consisting of one or both of a concave portion and a convex portion for drawing or stamping is provided. It is inserted into the recessed groove along the valley surface of the groove, and the upper part of the anvil protrudes toward the surface of the anvil as a projection when the fitting is inserted. [Selection drawing] Fig. 1

Description

The present invention relates to sheet metal luer formers that include members that are themselves or partially sheet metal worked, such as the blades of spoons and spinners.

Conventionally, for example, Patent Document 1 is known as a method of manufacturing a spoon-shaped lure by sheet metal processing. The above-mentioned lure is formed by stamping a thin metal plate by press working, and provides a ready-made product by mass production.

Japanese Patent No. 2918149

Lure users, who are anglers, generally prepare a wide variety of lures so that they can be changed according to the conditions and environment of the fishing spot, the target fish species, and their preferences, but they prefer ready-made lures as described above. If you try to prepare for each type, you need to prepare a large variety of lures.

On the other hand, sheet metal lures made of aluminum, aluminum alloys, and other soft light metals with excellent workability have the advantage that even ready-made products can be used by changing the shape and structure of the user's preference to some extent. has limits.

In order to solve the above problems, the present invention enables the processing of cut materials and partially processed semi-finished products into final products so that the lure shape can be relatively freely formed at hand by the user. A sheet metal lure forming tool is provided.

The forming tool of the present invention for solving the above problems is, firstly, a metal anvil having a portable weight and size and having a flat upper surface, the upper surface of which is a bent lure member made of sheet metal. It is characterized in that it is provided with an abutting portion consisting of either one or both of concave portions and convex portions for working, drawing or stamping.

Second, the inner part of the plurality of types of contact parts is a concave groove with a V-shaped cross section, and the peripheral surface is inserted into the concave groove along the valley surface of the concave groove, and the upper part is a convex part when this fitting is inserted. It is characterized in that it is composed of a contact metal that protrudes on the surface side of the anvil.

Thirdly, it is characterized in that the length of the groove is set within the width of the anvil in the vertical or horizontal direction, and regulation portions are provided at both ends in the length direction to regulate the movement of the guard in the longitudinal direction. .

Fourthly, it is characterized in that the abutting portion, which is a concave portion, is a round hole or round groove having a spherical or round-bottomed cross section.

Fifth, the abutment consists of a pin-shaped, plate-shaped or laterally long rod-shaped member attached to the anvil so that the upper end of the abutment portion, which is a convex portion, protrudes from the surface of the anvil so as to restrict movement and posture fluctuation. is characterized by

Sixthly, the upper end of the cross-section of the pad protruding from the surface side of the anvil is provided with a corner angle of a predetermined angle or formed into a radius.

According to the lure forming tool of the present invention configured as described above, the cut sheet metal material or semi-finished product can be turned into a finished product with a high degree of freedom according to the conditions of the fishing spot, the occasional environment, the type and size of the target fish, and the like. can be finished.

In particular, a lure member is applied to the uneven contact portion on the top surface of the anvil, and the optimum shape and structure can be obtained by bending, bending, hammering, drawing, etc., using a punch and a hammer or directly with a hammer.

1 is an overall perspective view of a forming tool of the present invention; FIG. It is a top view of an anvil. It is a front sectional view of an anvil. 4(A) and 4(B) are end views showing examples of different embodiments of a patch inserted into a V-shaped cross-sectional concave groove of an anvil. FIG. FIG. 4 is a plan view of an anvil showing a different embodiment; It is a front cross-sectional view of an anvil similarly showing a different embodiment.

1 to 4 show one embodiment of the present invention. A block ((rectangular parallelepiped)) anvil 1 made of soft iron, stainless steel, or the like constitutes the main body of the forming tool. (mm), and the whole is housed in a box-like container (not shown) with a lid, and is formed to a weight and size that makes it easy for the user to carry around.

On the upper surface of the anvil 1, as shown in the figure, a contact portion 2a consisting of a spherical (round-bottomed) concave portion (hole) having a radius of 3 mm and a depth of about 2.5 mm, and a round groove of approximately the same diameter in the front-rear direction. A contact portion 2b and a concave groove 3 having a substantially right-angled V-shaped cross section are formed.

The groove 3 has a depth of about 8.5 mm and a longitudinal length of about 50 mm. is a restricting portion (inner wall surface) 3a that restricts the

As shown in FIGS. 1, 4A and 4B, the backing metal 4 is formed as a columnar member made of steel or other metal material with a substantially square cross section. It is inserted and fitted along the trough surface, and movement of the contact metal 4 is restricted by the V-shaped trough surface in the left-right direction and by the restriction portion 3a in the front-rear direction. The corner portion protruding from the anvil surface of the anvil 4 in the state of being inserted into the concave groove 3 forms a later-described abutting portion 2c.

The lure forming tool configured as described above is stably placed on a flat floor surface as shown in FIG. A lure member (raw material or semi-processed material) 6 to be a blade is applied from above one of the above-mentioned contact parts 2a to 2c according to the processing form such as bending, bending, drawing, and hammering, and a punch ( (or a chisel) 7 is pressed against it and is processed and molded while hitting it with a hammer. Alternatively, the lure member may be processed and formed by directly hitting the lure member with a sheet metal hammer (not shown) without using a punch.

At this time, when forming a spherical concave portion in the lure member 6, the contact portion 2a is used, and when forming a groove-like concave portion with an arcuate cross section or a simple curved portion, a circular groove-like contact portion 2b is used as appropriate. select.

Further, when a part of the lure member 6 is bent into an angle shape, a predetermined corner angle ( In this example, the lure member 6 is applied to the abutting portion 2c having an angle of 90°, and the lure member 6 is hit with a hammer to perform processing according to the purpose.

The recessed groove 3 formed of a V-shaped groove is used as a contact part, and a lure member 6 is applied from above it, and a punch (not shown) having a V-shaped tip cross section is pressed against it and hit with a hammer. By doing so, it is also possible to apply a V-shaped bending process. Therefore, it is desirable to prepare a plurality of sizes and shapes of the tip of the punch 7 according to the purpose of use.

4A and 4B are cross-sectional views showing the above-mentioned backing plate 4 and other actual forms of the backing plate 4, and FIG. FIG. 1B shows a square section with rounded corners. The case of (A) is useful when the luer member 6 is bent at a right angle or an angle before or after it, and the case of (B) is suitable for rounding the bent corners. The cross-sectional shape of the contact portion 2c of the contact metal 4 can be freely selected according to the desired lure shape.

The abutment 4 does not necessarily have to have a square cross section, and when only the abutment 4 is used, the recessed groove 3 is not limited to a V-shaped cross section, and the abutment 4 can be inserted and positioned. It's enough. In addition, the cross-sectional shape of each corner of one backing metal may be different so that it can be used for various purposes.

5 and 6 are plan and cross-sectional views of a forming tool showing another embodiment of the present invention. Both of the contact portions 2d and 2e are contact metals composed of metal spike-shaped or cone-shaped pins, and the two contact metals 2d and 2e differ in the size of the radius of the projecting tip.

The abutting portions 2d and 2e are inserted from above the anvil 1 and attached to the anvil 1 so as to be detachable and replaceable by attaching screws 8 inserted to the bottom side. These pads (pins) 2d and 2e can also be prepared with various tip shapes and different sizes. The abutting portions 2d and 2e are suitable for processing a downward concave surface or the like by abutting the protruding ends of the lure member 6 and hitting with a hammer.

1 anvil 2a contact part (round hole)
2b contact part (round groove)
2c contact portion 2d, 2e contact portion (contact metal)
3 concave groove 4 pad 6 lure member 6
7 Punch 8 Mounting screw

Claims (6)

A portable weight and size metal anvil with a flat top surface and either recesses or projections for bending, drawing or stamping a lure member made of sheet metal on the top surface. A forming tool for a sheet metal lure provided with one or both of the abutting parts. The inner part of the plurality of types of contact parts is a concave groove with a V-shaped cross section, and the peripheral surface is inserted into the concave groove along the valley surface of the concave groove, and when this fitting is inserted, the upper part is a convex part on the surface of the anvil. 2. A forming tool for a lure made of sheet metal according to claim 1, which is composed of a pad protruding to the side. 3. The sheet metal product according to claim 2, wherein the length of the concave groove is set within the width of the anvil in the vertical or horizontal direction, and regulation portions are provided at both ends in the length direction to regulate the movement of the guard in the longitudinal direction. Lure molding tool. 3. A forming tool for a sheet metal lure according to claim 1 or 2, wherein the abutting portion comprising the concave portion is a round hole or round groove having a spherical or round-bottomed cross section. Claim 1 or 2, wherein the abutting part consisting of a convex part is a abutting metal made of a pin-like, plate-like or laterally long rod-like member attached to the anvil so that the upper end protrudes from the surface of the anvil so as to restrict movement and posture fluctuation. Forming tool for the sheet metal lure according to . 3. A forming tool for a lure made of sheet metal according to claim 2, wherein the cross-sectional upper end of the abutment protruding to the surface side of the anvil is provided with a corner angle of a predetermined angle or formed into a radius.

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