JP5060832B2 - A method of forming a die-steel (with mortise) type steel material through mold forming, and a fixing structure of the die-steel type steel material and die steel material formed by this method - Google Patents

Description

  The present invention relates to a method for forming a die-steeled die steel material through mold forming, and a structure for fixing the die-beveled die steel material and die steel material formed by this method.

  Conventionally, there are various mortise structures (fixing methods) for fixing two objects (articles, structures, and buildings) via a dowel and a mortise groove. This type of mortise structure is a combination of a plate material (flat steel plate) provided with a mortise groove and a plate material provided with a dowel, and is a flat plate material combination structure. The present applicant has proposed an invention in which the planar plate combination structure is improved. The present invention is “mechanical mounting bracket structure” of Japanese Patent Application Laid-Open No. 11-311220 (referred to as reference (1)). This bracket is provided on the back plate and the bottom plate on two or several sides. A structure in which a face plate is provided, and a tenon groove provided on the two surface ends of the side plate is inserted into a tenon groove provided on the back plate and the bottom plate, and a bolt provided on the back plate and the bottom plate. In this configuration, the bolts inserted into the insertion holes and the nuts provided on the side plates are assembled and integrated. Accordingly, it is intended to provide a bracket that can be firmly assembled and fixed by tightening screws by attaching a rear plate, a bottom plate, and a side plate in a mortise structure by cutting by laser cutting, wire cutting, or by mortise structure. . As another invention, there is a “memory device heat radiation protection device” disclosed in Japanese Patent Application Laid-Open No. 2006-100818 (referred to as reference (2)), and the present invention relates to a memory device heat radiation protection device including a pair of heat radiation protection sheets. Engagement between the engagement sheet formed perpendicular to the upper skirt portion of the heat radiation protection sheet and the engagement table formed perpendicular to the upper skirt portion of the other heat radiation protection sheet, and the tenon of the engagement sheet Utilizing the fitting relationship with the tenon groove of the table, the pair of heat radiation protection sheets are integrated at an appropriate interval. It is intended to secure a stable structure of the pair of heat radiation protection sheets and to improve the heat radiation effect.

JP 11-311220 A JP2006-100818

The document (1) described above is a combined structure of a tenon provided on each flat plate and a tenon groove, and is an invention in which a conventionally known structure is partially incorporated. Further, the document (2) is a structure in which the pair of heat radiation protection sheets are integrated at an appropriate interval by utilizing the fitting relationship between the tenon of the meshing sheet and the tenon groove of the meshing base. In this invention, the heat protection sheet is individually tightened with a U-shaped squeeze member. Therefore, the inventions of the references (1) and (2) are intended to fix the die-steeled die steel material and die steel material intended by the present invention. There is an essential difference, not a structure, and a structure in which the dowel is molded using an upper and lower mold having a V-shaped fitting relationship. In the inventions of the references (1) and (2), the gibber provided at the corner of one type of gibber-equipped steel material intended by the present invention is inserted into the tenon groove of the other type steel material and secured. It is not a structure that secures the pair of steel shapes in a cross shape.

  According to the first aspect of the present invention, the V-shaped upper and lower molds attached to the hydraulic press and / or the clearance of the upper and lower molds are effectively used to form the indented steel material and / or the incision formed in the periphery of the gibel pieces. It is intended to provide a type steel material with a die and to form a type steel material with a bevel through the upper and lower one press.

Claim 1 is a configuration using upper and lower molds in a V-shaped fitting relationship when forming a gibber on a material of a steel mold material via a press mold,
In the fitting relationship between the upper die and the lower die, by forming protrusions on the open ends of both side surfaces of the lower die, a clearance is formed between the upper and lower die at the time of the fitting relationship. Utilizing the gibber piece provided at the bent portion of the steel material, and the notches formed around the gibber piece,
A die-attached die in which a corner is formed by bending approximately 90 degrees from the bent portion of the material of the steel material, and the shape of the gibber piece is not changed at the corner, and the dowel is formed through the cut. In this method, a steel material is formed through mold forming.

  The invention of claim 2 is intended to achieve the object of claim 1 and to provide a mold apparatus optimal for achieving this object.

Claim 2 is a method of forming the die-steeled steel material according to claim 1 through mold forming.
The above-mentioned gibel is configured to be formed at each folding portion when both side surfaces of the material of the mold steel material are bent with the front surface as a base surface. This is a molding method.

The invention of claim 3 inserts and tightens a V-shaped upper and lower mold attached to a hydraulic press and / or a die steel with a gibber formed by effectively using the clearance of the upper and lower molds, and a mold steel. It is intended to securely and firmly fix the mold steel material, simplify this fixing, and the like.

Claim 3 is a front surface of the gibber type steel material formed by using the method of forming the dibble type steel material according to claim 1 through mold forming, It is a structure in which the gibber is provided at both corners, and the die steel with the diver is attached to the die steel.
In the tenon groove of the die steel material, the die steel of the die steel material with the jibell is inserted, and the die steel material and the die steel material with the jibell are fixed via a tightening means. is there.

The invention of claim 4 is intended to achieve the object of claim 3 and to provide a die steel with a bevel and a mold steel material optimal for achieving this object.

Claim 4 is the fixing structure of the die-steeled die steel material and die steel material according to claim 3 ,
The tightening means is a fixing structure of the die-steel-type steel material and the die-steel material in which the joint portions between the corners on both sides of the die-steel-type steel material and the front surface of the die-steel material are fixed by welding.

The inventions of claims 5 and 6 are intended to achieve the object of claim 3 and to provide a fixing structure of a die-steel-type steel member and a die-steel member that is optimal and strong for achieving the object. To do.

Claim 5 is the fixing structure of the die-steeled die steel material and the die steel material according to claim 3 ,
The tightening means is configured such that a die steel of a die steel material with a bevel is inserted into a tenon groove of the die steel material, and an anti-disengagement device is attached to each of the divels protruding from the tenon groove. A fixing structure of steel material. Claim 6 is the fixing structure of the die-steeled die steel material and the die steel material according to claim 5 ,
The drop prevention device is a fixed structure of a die steel with a jib and a die steel having a structure in which a bolt and a nut are provided on one or both of the tenons protruding from the tenon groove.

The invention of claim 7, to achieve the object of claim 5, via a simple combination to achieve this purpose, provides a fixing structure for optimal and robust, dowels with type steel and mold steel It is intended to do.

Claim 7 is a fixing structure of a die-steeled die steel material and a die steel material according to claim 5 ,
The drop prevention device is a fixed structure of a die steel with a jib and a die steel, which is configured to be a member fitted and fitted between each of the jibs protruding from the tenon groove.

The invention of claim 1 is a configuration in which when the dowel is formed on the material of the mold steel material through the press mold, the mold uses a top and bottom mold having a V-shaped fitting relationship.
In the fitting relationship between the upper die and the lower die, by forming protrusions at the open ends on both sides of the lower die, a clearance is formed between the upper and lower dies during the fitting relationship, and the clearance and bending of the steel material Using the gibber piece provided at the site and the notches formed around the gibber piece,
A die-steel material with a bevel that is bent approximately 90 degrees from the bend of the material of the shape steel material, forms a corner, does not change the shape of the gibber piece at the corner, and forms a gibber through a notch, This is a method of forming through mold forming.

  Accordingly, the first aspect of the present invention is that the V-shaped upper and lower molds attached to the hydraulic press and / or the clearances of the upper and lower molds are used effectively to form the indented steel material and / or the incision formed in the periphery of the gibel pieces. It is characterized in that it is possible to provide a steel plate with attached mold and that it is possible to form a steel plate with gibber through this one-press upper and lower die.

The invention of claim 2 is a method of forming the die-steeled steel material according to claim 1 through mold forming.
Gibel is a die steel with a gibel that is formed at each folding location when both sides of the material of the die steel material are bent with the front as the base surface. Is the method.

  Accordingly, the second aspect has features such that the object of the first aspect can be achieved, and a mold apparatus optimal for achieving the object can be provided.

According to a third aspect of the present invention, there is provided the die-belt-type steel material formed by utilizing the method of molding the gibbled-type steel material according to the first aspect through die molding, and the front surface of the gibber-type steel material. , It is a structure in which a gibber is provided at both corners, and is a structure in which a die steel material with a gibber is attached to the die steel material,
This is a fixed structure of a die-steel-type steel material and a die-steel material, in which a gibber of a die-steel-type steel material is inserted into a tenon groove of the die-steel material, and the die steel material and the die-belt-type steel material are fixed via a fastening means.

Accordingly, the third aspect of the present invention inserts and tightens the V-shaped upper and lower molds attached to the hydraulic press and / or the die steel with gibber formed by effectively using the clearance of the upper and lower molds, and the mold steel. It has features such as that the steel mold can be fixed securely and firmly, and that this fixing can be easily performed.

The invention of claim 4 is the fixing structure of the die-steeled die steel material and the die steel material according to claim 3 ,
The tightening means is a fixing structure of the die-steel-type steel material and the die-steel material, in which the joints between the corners on both sides of the die-steel-type steel material and the front surface of the die-steel material are fixed by welding.

Therefore, claim 4 has the characteristics that the object of claim 3 can be achieved, and that a die-steel-type steel material and a die steel material that are optimal for achieving this object can be provided.

The invention of claim 5 is the fixing structure of the die-steeled die steel and the die steel according to claim 3 ,
The tightening means is a configuration in which a die steel with a bevel is inserted into a tenon groove of the die steel, and an anti-separation device is attached to each of the jibs protruding from the tenon groove. The invention of claim 6 is a structure for fixing a die-steeled die steel material and a die steel material according to claim 5 ,
The slip-off preventing device is a structure for fixing a die steel with a jib and a die steel having a combination structure of a bolt and a nut provided on one or both of the jibles protruding from the tenon groove.

Accordingly, claims 5 and 6 have the characteristics that the object of claim 3 can be achieved, and that the fixing structure of the die-steel-type steel material and the die-steel material that is optimum and strong for achieving this object can be provided. .

The invention of claim 7 is the fixing structure of the die-steeled die steel material and the die steel material according to claim 5 ,
The slip-off preventing device is a fixed structure of a die steel with a jib and a die steel, which is configured to be a member fitted and fitted between each of the jibs protruding from the tenon groove.

Therefore, Claim 7 can achieve the object of Claim 5 and provide an optimum and strong fixing structure of a die-steel-type steel member and a die-steel member through a simple combination for achieving this object. Etc.

  Hereinafter, embodiments (forms) of the present invention will be described.

  Referring to the drawings, FIG. 1 is a schematic diagram showing an example of a hydraulic press, and FIGS. 2-1 to 2-3 are schematic side views showing the relationship between the movement of a vertical die and a steel material with a bevel. FIG. 2-1 shows the upper and lower molds before operation, FIG. 2-2 shows the process before setting the material of the mold steel material, and FIG. Further, FIG. 2-4 shows the rise of the upper die after the processing of the steel material with the gibber. FIGS. 3A to 3C are plan or cross-sectional schematic diagrams showing the relationship between the pre-processing of the material of the mold steel material and the post-processing state of the die steel material with the gibber. -1 indicates the pre-processing of the die steel (the raw material of the die steel), FIG. 3-2 shows the planar state after the die steel (die steel with gibber), and FIG. 3-3 shows the die steel ( 2 shows a cross-sectional state after processing of a die-steel-type steel material. FIG. 4A is a perspective view showing a die steel with a gibber, FIG. 4B is a perspective view showing a die steel (a steel with a tenon groove), and FIG. 5A is FIGS. Fig. 5-2 is a scaled perspective view showing an example of assembling the gibber / tenon groove type steel shown in Fig. 4-2, Fig. 4-2 shows the diver / tenon groove type steel shown in Fig. 4-2 FIG. 5-3 is a front view showing an example in which the die-steel-type steel material shown in FIG. 4A and another die steel material are assembled. FIG. 6 is a schematic view showing an example of another hydraulic press.

  In FIGS. 2-1 to 3-1, the lower mold 1 is provided with a V-shaped recess 100 (referred to as V of the die), and a clearance (described later) is provided at both open ends 100a of the recess 100. ) The forming plate 101 for formation is formed in the longitudinal direction (the direction from the front side toward the back surface in FIG. 1). The upper die 2 has a convex portion 200 that fits into the concave portion 100 of the lower die 1, and at least the die-steel-type steel material 8 is formed through the concave and convex portions 100 and 200. The process will be described based on FIG. 2-1 to FIG. 2-4 and the like. And the structure X shown in FIG. 3A is desirable for the material X of the shape steel material, and the connecting portion 300 of the gibber piece 3 (becomes the diver 3a after forming) is provided at the bent portion 4 of the material X of the shape steel material. The angle-shaped kerf 5 is provided in the three open areas 301 of the gibber piece 3. In this example, the connection portion 300 is provided on the side surface X1, and the dowel 3a is provided on the front surface X2, and the kerf 5 is present on the front surface X2. In addition, since the structure of this dowel piece 3 and the kerf 5 is formed in a pair, one side thereof has been described (hereinafter, in the case of another structure, only one side will be described). Thereafter, the upper die 2 is lowered, and the material X of the die steel material is sequentially bent into a V shape. And in that case, since the contact plate 101 is provided at both open ends 100a of the recess 100 of the lower mold 1, the side surface X1 of the material X of the mold steel material, the surface of the front surface X2, and the surface of the recess 100 A clearance 7 is formed between the two. And the bottom part 70 of this clearance 7 is just the structure which enables insertion of the jib 3a (it can become an escape space), and the groove 5 is formed in the periphery of this jib piece 3. Therefore, the press pressure by the upper and lower molds 1 and 2 is not applied to the diver 3a (refer to FIG. 2-3), and this dibel 3a has a structure that remains in the direction of the imaginary extension line of the side surface X1 (this divel piece 3 and There is no change in the form of the gibber 3a). In this way, after forming the gibber 3a, the upper die 2 is lifted and taken out with the material X of the shaped steel material (see FIG. 2-4), so that the diver facing the direction of the virtual extension line of the side surface X1. 3a is formed, and the die steel material 8 with the dowel 3a is formed. This state is shown in FIGS. 3-3 and 4-1.

  The mortise 10 with the mortise 10 is obtained by using the upper and lower molds 2, 1 to take out the material X of the mold steel formed from the material X of the mold steel, and then through the mortise 10 through other processing. (See Fig. 4-2).

  The die steel material 8 with the dowel 3a (hereinafter referred to as the mold steel material 8), the die steel material 80 with the mortise groove 10 (hereinafter referred to as the mold steel material 80), or another die steel material 81 (without the mortise groove 10) ( Hereinafter, an example of an apparatus adopting other steel mold material 81) will be described. FIG. 5A shows a case where the steel sheet 8 is employed as a beam and a column. The gibber 3a is inserted, the corner 8a of both side surfaces X1 of the mold steel material 8 (using the code of the material X of the mold steel material), and the front X2 of the mold steel material 80 (using the code of the material X of the mold steel material). This is a structure (tightening means) in which the joint A is fixed by welding B. FIG. 5B shows another fixing method, in which the diver 3a of the die steel material 8 is inserted into the tenon groove 10 of the die steel material 80, and a combination of the nut 11 and the bolt 12 provided on one or both of the gibber 3a. It is a structure to fix (tightening means). And FIG. 5-3 is an example at the time of employ | adopting the type | mold steel material 8 and the other type | mold steel material 81, The lower X1-1 (front) of the side surface X1 of the other type | mold steel material 81 by the gibber 3a of the type | mold steel material 8. FIG. Hold the X2 side) and fix it. In addition, although not shown in figure, the structure fixed with the above-mentioned welding B and the structure fixed with the combination of the nut 11 and the volt | bolt 12 can also be used as a fastening means.

  FIG. 6 is a schematic diagram showing an example of another hydraulic press, and its structure and / or action / feature (effect) and the like are the same as those described above.

FIG. 1 is a schematic diagram showing an example of a hydraulic press. FIG. 2-1 is a schematic side view showing the relationship between the movement of the upper and lower molds and the material of the shape steel material, and shows the upper and lower molds before operation. FIG. 2-2 is a schematic side view showing the relationship between the movement of the upper and lower molds and the material mold steel material, and shows the state before the processing in which the mold steel material is set. FIG. 2-3 is a schematic side view showing the relationship between the movement of the upper and lower molds and the die steel with gibber, and shows the state after the die steel is processed. FIG. 2-4 is a schematic side view showing the relationship between the movement of the upper and lower molds and the die steel with the gibber, and shows the rise of the upper mold after the die steel material is processed. Fig. 3-1 is a plan view showing a planar state of pre-processing of the shape steel material FIG. 3-2 is a plan view showing a planar state after machining the shape steel material Fig. 3-3 is a schematic cross-sectional view showing the cross-sectional state after processing the shape steel 4-1 is a perspective view showing a bell-shaped steel material FIG. 4-2 is a perspective view showing a die steel material (a die steel material with a mortise groove). FIG. 5-1 is a scaled perspective view showing an example in which the steel material with the gibber and mortise grooves shown in FIG. 4-1 and FIG. 4-2 is assembled. FIG. 5-2 is a scaled perspective view showing another example in which the steel material with the gibber and mortise groove shown in FIG. 4-2 and FIG. 4-2 is assembled. FIG. 5-3 is a front view showing an example in which the die steel with the gibber shown in FIG. 4A and another die steel are assembled. FIG. 6 is a schematic diagram showing an example of another hydraulic press.

DESCRIPTION OF SYMBOLS 1 Lower mold | type 100 Recessed part 100a Open end 101 This board 2 Upper mold | type 200 Convex part 3 Givel piece 300 Connection part 301 Peripheral 3a Givel 4 Bending place 5 Cut groove 7 Clearance 70 Bottom part 8 Steel material 8a with a jib Corner 10 Tenon groove 80 Mortise-type steel 81 81 Other steel 11 Nut 12 Bolt A Joint B Weld X Material X1 Side X1-1 Lower X2 Front

Claims (7)

When forming the gibber on the material of the mold steel material through the press mold, the mold is configured to use an upper and lower mold having a V-shaped fitting relationship,
In the fitting relationship between the upper die and the lower die, by forming protrusions on the open ends of both side surfaces of the lower die, a clearance is formed between the upper and lower die at the time of the fitting relationship. Utilizing the gibber piece provided at the bent portion of the steel material, and the notches formed around the gibber piece,
A die-attached die in which a corner is formed by bending approximately 90 degrees from the bent portion of the material of the steel material, and the shape of the gibber piece is not changed at the corner, and the dowel is formed through the cut. A method of forming a steel material through mold forming. The method for forming the die-steeled steel material according to claim 1 through mold forming.
The above-mentioned gibel is configured to be formed at each folding portion when both side surfaces of the material of the mold steel material are bent with the front surface as a base surface. How to mold. The die-steel type steel material formed by using the method for molding the gibber-equipped die steel material according to claim 1 through die molding is a front surface of the gibber-equipped die steel material at both corners. , A structure for providing a gibber, and a structure for attaching the die-steeled die steel material to the die steel material,
A fixing structure of a die steel with a bevel and a die steel material, wherein the die steel of the die steel with a bevel is inserted into a tenon groove of the die steel, and the die steel and the die steel with a bevel are fixed through a fastening means. In the fixing structure of the die-steeled die steel material and the die steel material according to claim 3 ,
The tightening means is a fixing structure of the die-steel-type steel material and the die-steel material, wherein the joint portions between the corners on both sides of the die-steel-type steel material and the front surface of the die-steel material are fixed by welding. In the fixing structure of the die-steeled die steel material and the die steel material according to claim 3 ,
The tightening means is configured such that a die steel of a die steel material with a bevel is inserted into a tenon groove of the die steel material, and an anti-disengagement device is attached to each of the jibs protruding from the tenon groove. Steel fixed structure. In the fixing structure of the die-steeled die steel material and the die steel material according to claim 5 ,
A structure for fixing a die steel with a die bell and a die steel material, wherein the anti-separation device is configured by a combination of a bolt and a nut provided on one or both of the tenons protruding from the tenon groove. In the fixing structure of the die-steeled die steel material and the die steel material according to claim 5 ,
The structure for fixing a die steel with a diebell and a die steel material, wherein the slip-off prevention device is configured to be a member fitted and fitted between each of the gibbles protruding from the tenon groove.

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