KR101581250B1

KR101581250B1 - Press mold

Info

Publication number: KR101581250B1
Application number: KR1020140124568A
Authority: KR
Inventors: 하상진; 이문용
Original assignee: 주식회사 성우하이텍
Priority date: 2014-09-18
Filing date: 2014-09-18
Publication date: 2015-12-31

Abstract

A press mold is disclosed. A press die according to an embodiment of the present invention includes a lower die having a lower mounting space at an upper center thereof; An upper die disposed at an upper portion of the lower die so as to be movable up and down and selectively coupled to the lower die and having an upper mounting space at a lower center; And a plurality of plates having an upper portion and a lower portion, the upper and lower portions being stacked and assembled with the lower mounting space and the upper mounting space to press the upper and lower portions of the upper and lower molds, respectively, And a molding unit.

Description

Press mold {PRESS MOLD}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a press die, and more particularly, to a press die having a plurality of plates processed according to the shape of a product, .

Generally, from automobile maker to automobile manufacturing, 2 ~ 30 thousand parts are assembled through several assembling processes.

Particularly, the car body is the first step of the automobile manufacturing process. After the product including the molding panel or the forming beam is produced through various kinds of press devices, the body is transferred to the body shop and each part of the molded product is assembled, BIW "state.

In order to mold a material panel or a beam into a molded panel or a forming beam and manufacture it as a product, it is necessary to perform a forming process by press molding in a certain form through various kinds of press apparatuses, and then to perform trimming and piercing Hole processing, bending, and the like in a pressing process such as a pressing process, a pressing process, a flanging process, a hemming process, and the like.

In this press apparatus, a lower die having a bottom surface shape of the product is mounted on a lower die, and an upper die having an upper surface shape of the product is mounted on the slider through an upper die and inserted between the lower die and the lower die. So that the product panel is subjected to the molding process.

However, in the conventional press apparatus, the lower mold and the upper mold must be manufactured through patterning, casting, roughing, finishing, and finishing (finishing) processing in conformity with the top and bottom shapes of the product, There is a problem that the period becomes excessive.

In addition, it is necessary to manufacture a mold with a material having high strength and high durability. In order to meet the precise dimensions of the molded product, it is necessary to perform a plurality of test molding and a correction work through test molding. The overall cost is increased, and in particular, it is difficult to apply to a starting mold for molding a product at a prototype stage.

The matters described in the background section are intended to enhance the understanding of the background of the invention and may include matters not previously known to those skilled in the art.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a method of manufacturing a metal mold by forming a plurality of plates, The present invention provides a press mold for reducing the time required for manufacturing and the mold making process to shorten the development period and production period and reduce the manufacturing cost.

To achieve these and other advantages and in accordance with the purpose of the present invention, as embodied and broadly described herein, there is provided a press mold comprising: a lower die having a lower mounting space at an upper center thereof; An upper die disposed at an upper portion of the lower die so as to be movable up and down and selectively coupled to the lower die and having an upper mounting space at a lower center; And a plurality of plates having an upper portion and a lower portion, the upper and lower portions being stacked and assembled with the lower mounting space and the upper mounting space to press the upper and lower portions of the upper and lower molds, respectively, A molding unit including a plurality of fixing plates stacked on the lower mounting space and the upper mounting space; And a forming plate stacked in a width direction of the fixing plate so as to stand vertically to the fixing plate to form a shape of a lower portion and an upper portion of the product, A first fixing plate having one side in contact with the first fixing plate; A second fixing plate having one surface stacked on the other surface of the first fixing plate and having at least one fixing groove formed along the longitudinal direction on both sides in the width direction; And a third fixing plate having one side laminated on the other side of the second fixing plate, at least one insertion groove formed at a position corresponding to each fixing groove, and a seating hole formed along the longitudinal direction at the center can do.

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The first, second, and third fixing plates may be fixed in a laminated state in the lower mounting space and the upper mounting space through bolting.

The first, second, and third fixing plates may be formed by cutting a plate having a predetermined thickness by laser cutting.

The fixing groove may have a length greater than a length of the insertion groove with respect to a longitudinal direction of the second fixing plate.

At least one first shaping plate having one end formed in a lower or upper shape of the product and the other end inserted in the seating hole and mounted in a direction perpendicular to the third fixing plate; At least one second shaping plate stacked on both sides of the first shaping plate with one side thereof being in contact with each other; And a third shaping plate having a first side contacting the outer surface of the second shaping plate and a fixed end formed along the longitudinal direction corresponding to the fixing groove and the insertion groove.

The first, second, and third forming plates may be formed by cutting a plate having a predetermined thickness by laser cutting.

The first forming plate may be formed of two pieces and one end of the first forming plate may be stacked in a state of being inserted into the seating hole, and a support groove may be formed at the center in the longitudinal direction.

The third fixing plate may have a predetermined section support portion formed at the center in the longitudinal direction corresponding to the support groove, and the mounting holes may be formed on both sides of the support portion in the longitudinal direction.

The seating holes may be equal to the thickness of the two sheets of the first molding plate laminated in the widthwise direction overlapping each other.

The fixed end may include a connecting portion that is connected to the third forming plate at one end and a fixing portion that is integrally formed at the other end of the connecting portion.

The fixed end is connected to the first, second, and third fixing plates in a state where the connecting portion is inserted into the insertion groove of the third fixing plate, the fixing portion is inserted into the fixing groove of the second fixing plate, The third forming plate can be fixed.

The second shaping plate may be formed of four, and two sheets of the second shaping plate may be stacked on both sides of the first shaping plate, with the first shaping plate interposed therebetween.

The first, second, and third formed plates may be secured in a laminated state on the fixed plate through bolting.

As described above, according to the press die according to the embodiment of the present invention, the plurality of plates processed according to the shape of the product are constituted by the lamination assembly method on the upper and lower dies, Thereby shortening the development period and the production period, and reducing the production cost.

Further, by machining the plate material having a certain thickness through the laser cutting, it is possible to eliminate the post-machining operation such as the finishing machining on the cut surface where the product is in contact, thereby reducing labor costs.

In addition, there is also an effect of improving the workability of correcting and assembling the metal mold by completing the assembly by bolt fastening while the plates are stacked and fitted.

In addition, by applying the prototype product at the time of molding, it is possible to rapidly manufacture and test prototype products, thereby promptly grasping problems of prototype products, correcting the molds, and reflecting the results in mass production molds.

1 is a configuration diagram of a press die according to an embodiment of the present invention.
2 is a perspective view of a press mold according to an embodiment of the present invention.
3 is an exploded perspective view of a press mold according to an embodiment of the present invention.
4 is a plan view of the fixing plates and the forming plates applied to the press mold according to the embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory only and are not restrictive of the invention, It should be understood that various equivalents and modifications may be present.

In order to clearly illustrate the present invention, parts not related to the description are omitted, and the same or similar components are denoted by the same reference numerals throughout the specification.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.

And throughout the specification, when an element is referred to as " comprising ", it means that it can include other elements as well, without excluding other elements unless specifically stated otherwise.

It should be noted that terms such as " ... unit ", " unit of means ", " part of item ", " absence of member ", and the like denote a unit of a comprehensive constitution having at least one function or operation it means.

2 is a perspective view of a press mold according to an embodiment of the present invention, FIG. 3 is an exploded perspective view of a press mold according to an embodiment of the present invention, FIG. 3 is an exploded perspective view of the press mold according to an embodiment of the present invention, 4 is a plan view of the fixing plates and the forming plates applied to the press mold according to the embodiment of the present invention.

Referring to the drawings, a press mold 100 according to an embodiment of the present invention includes a plurality of plates processed in accordance with the shape of a molded product by stacking and assembling the upper and lower dies, The process is reduced to shorten the development period and production period, and reduce the production cost.

To this end, the press mold 100 according to the embodiment of the present invention includes a lower die 110, an upper die 120, and a forming unit 130, as shown in Fig.

First, the lower die 110 has a lower mounting space 111 at an upper center thereof and is mounted on a bolster (not shown) provided in a workplace.

The upper die 120 is connected to a slider (not shown) at an upper portion of the lower die 110 and is disposed so as to move up and down toward the lower die 110.

The upper die 120 is lowered toward the lower die 110 in a state where a material such as a panel or a beam is seated on the lower die 120 by the operation of the slider, And an upper mounting space 121 is provided at the lower center thereof.

The molding unit 130 has a plurality of plates having an upper and a lower shape and is stacked and assembled with the lower mounting space 111 and the upper mounting space 121, The upper and lower portions of the workpiece are pressed to form the workpiece P when the workpiece 120 is coupled.

2 to 4, the molding unit 130 is composed of a plurality of fixing plates 140 and a plurality of molding plates 150.

In this embodiment, the fixing plate 140 is stacked on the inner side of the lower mounting space 111 and the upper mounting space 121.

The fixing plate 140 is composed of first, second, and third fixing plates 141, 145, and 146.

First, the first fixing plate 141 is composed of three and laminated to each other, and one surface is in contact with each inner surface of the lower mounting space 111 and the upper mounting space 121.

The second fixing plate 143 has one surface laminated on the other surface of the first fixing plate 141 and at least one fixing groove 145 is formed along the longitudinal direction on both sides in the width direction.

The third fixing plate 146 has one surface stacked on the other surface of the second fixing plate 143 and at least one insertion groove 148 is formed at a position corresponding to each fixing groove 145 And a seating hole 159 is formed at the center along the longitudinal direction.

The fixing grooves 145 and the insertion grooves 148 may be formed at equal intervals along the longitudinal direction on both widthwise sides of the second and third fixing plates 143 and 146.

The fixing groove 145 may have a length greater than a length of the insertion groove 148 with respect to a longitudinal direction of the second fixing plate 143.

Accordingly, the combined shape of the fixing groove 145 and the insertion groove 148 can be formed in a "L" shape in a state in which the second and third fixing plates 143 and 146 are laminated to each other.

The first, second, and third fixing plates 141, 143, and 146 are fixed to the lower mounting space 111 and the upper mounting space 121 by bolts, respectively. .

The first, second, and third fixing plates 141, 143, and 146 may be formed by cutting a plate having a predetermined thickness by laser cutting.

The forming plate 150 is stacked in the width direction of the fixing plate 140 in a state where it is erected perpendicular to the fixing plate 140 to form the lower and upper shapes of the product.

The forming plate 150 is composed of first, second and third forming plates 151, 153 and 155.

First, the first forming plate 151 is composed of at least one or more than one, and one end is formed as a lower or upper shape of the product, and the other end is inserted into the seating hole 149, In the vertical direction.

Here, the first forming plate 151 is composed of two pieces, one end of which is inserted into the seating hole 149, and the other end of the first forming plate 151 is stacked and the supporting groove 152 is formed at the center in the longitudinal direction.

The support groove 152 serves to fix the first forming plate 151 to the upper center of the third fixing plate 147.

The third fixing plate 146 is formed with a predetermined section support portion 147 at the center in the longitudinal direction corresponding to the support groove 152 and is formed at the center of the support portion 147, 149 may be respectively formed.

Here, the seating holes 149 may be equal to the thickness of the two first molding plates 151 stacked in the widthwise direction.

Accordingly, the first forming plate 151 is stably inserted into the seating hole 149 through the supporting groove 152 in the support portion 147 in a state where two sheets of the first forming plate 151 are stacked one on top of the other, May vertically be mounted vertically on the upper center of the support plate 146.

In the present embodiment, the second forming plate 153 is composed of at least one or more of the first forming plate 151 and the first forming plate 151, respectively.

The second forming plate 153 is composed of four pieces. The second forming plate 153 is vertically erected on the upper portion of the third fixing plate 146, 1 < / RTI > forming plate 151, respectively.

The third shaping plate 155 is in contact with the outer surface of the second shaping plate 153 at one side and is fixed at a fixed position along the longitudinal direction corresponding to the fixing groove 145 and the insertion groove 148 156 are formed.

The fixed end 156 is formed of a connecting part 157 which is connected to the third forming plate 155 at one end and a fixing part 158 which is integrally formed at the other end of the connecting part 157 Shaped in correspondence with the combined shape of the insertion groove 148 and the fixing groove 145 in the second and third fixing plates 143 and 146 which are stacked and stacked one on the other, have.

The fixing end 156 is inserted into the insertion groove 148 of the third fixing plate 146 and the fixing portion 158 is fixed to the fixing plate 143 The third forming plate 155 may be fixed to the first, second, and third fixing plates 141, 143, and 146, which are inserted into the groove 145 and stacked on each other.

The fixed ends 156 may be formed at equal intervals along the longitudinal direction of the third forming plate 155 to match the positions of the fixing grooves 145 and the insertion grooves 148 .

The third forming plate 155 is inserted into the fixing groove 145 and the insertion groove 148 through the fixing end 156 so that the lower die 110 and the upper and lower portions of the upper die 120 The first and second forming plates 151 and 153 are vertically stacked vertically at the centers of the first, second and third fixing plates 141, 143 and 146 mounted on the mounting spaces 111 and 121, Is fixed on the fixed plate (140).

Here, the first, second, and third forming plates 151, 153, and 155 may be stacked on the fixing plate 130 through bolting.

The first, second, and third forming plates 151, 153, and 155 may be formed by cutting a plate having a predetermined thickness by laser cutting.

That is, one end of the first, second, and third forming plates 151, 153, and 155 that are in contact with the material in a stacked state is smoothly cut through the laser cutting molding, Can be improved.

The press mold 100 constructed as described above is constructed as an assembly type and the molding plate 150 corresponding to the case where modifications are generated through the inspection of the molded product P after press molding of the product P, It is possible to easily carry out the reworking or the supplementing work of the rewinding machine.

Therefore, when the press mold 100 according to the embodiment of the present invention configured as described above is applied, a plurality of fixed plates 140, which are processed according to the shape of the product P, By configuring the unit 130 on the upper and lower dies 110 and 120 in a laminating and assembling manner, it is possible to shorten the development period and the production period and reduce the manufacturing cost by reducing the time required for producing the mold and the mold making process have.

Further, by machining the plate material having a predetermined thickness through the laser cutting with the fixing plate 140 and the forming plate 150, it is possible to eliminate the post-machining operation such as the finishing machining on the cut surface where the product P is in contact, Can be reduced.

In addition, by assembling each plate in a state in which the plates are stacked and bolted together, it is possible to improve the workability of correcting and assembling the metal mold.

In addition, it is possible to apply prototype products at the time of molding to enable quick production and testing of prototypes, so that problems of prototypes can be quickly identified, the molds can be corrected, and the results can be reflected in the production of mass production molds.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It will be understood that various modifications and changes may be made without departing from the scope of the appended claims.

100: Press mold 110: Lower die
111: lower mounting space 120: upper die
121: upper mounting space 130: molding unit
140: fixing plate 141: first fixing plate
143: second fixing plate 145: fixing groove
146: third fixing plate 147: support
148: insertion groove 149: seating hole
150: forming plate 151: first forming plate
152: support groove 153: second forming plate
155: third forming plate 156:
157: connection 158:

Claims

A lower die having a lower mounting space at an upper center thereof;
An upper die disposed at an upper portion of the lower die so as to be movable up and down and selectively coupled to the lower die and having an upper mounting space at a lower center; And
A plurality of plates having upper and lower shapes of the product and being stacked and assembled in the lower mounting space and the upper mounting space to press the upper and lower portions of the material when the upper die is coupled to the lower die, Unit,
The forming unit
A plurality of fixing plates stacked on the lower mounting space and the upper mounting space; And
And a forming plate stacked in a width direction of the fixing plate so as to form a lower portion and an upper portion of the product while being erected perpendicular to the fixing plate,
The stationary plate
A first fixing plate having one surface contacting the inner surface of the upper mounting space and the lower mounting space;
A second fixing plate having one surface stacked on the other surface of the first fixing plate and having at least one fixing groove formed along the longitudinal direction on both sides in the width direction; And
At least one insertion groove is formed at a position corresponding to each of the fixing grooves and a seating hole is formed along a longitudinal direction at a center of the third fixing plate;
And a press mold.

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The method according to claim 1,
The first, second, and third fixed plates
And is fixed in a state of being laminated in the lower mounting space and the upper mounting space through bolt fastening.

The method according to claim 1,
The first, second, and third fixed plates
And cutting the plate material having a predetermined thickness by laser cutting molding.

The method according to claim 1,
The fixing groove
And the length of the second fixing plate is longer than the length of the insertion groove with respect to the longitudinal direction of the second fixing plate.

The method according to claim 1,
The forming plate
At least one first shaping plate, which is formed in a lower or upper shape of the product once, and the other end is inserted in the seating hole and is mounted in a direction perpendicular to the third fixing plate;
At least one second shaping plate stacked on both sides of the first shaping plate with one side thereof being in contact with each other; And
A third shaping plate having one side contacting the outer surface of the second shaping plate and having a fixed end formed along the longitudinal direction corresponding to the fixing groove and the insertion groove;
And a press mold.

8. The method of claim 7,
The first, second, and third forming plates
And cutting the plate material having a predetermined thickness by laser cutting molding.

8. The method of claim 7,
The first forming plate
And a support groove is formed at the center in the longitudinal direction so as to be stacked in a state that one end is inserted into the seating hole.

10. The method of claim 9,
The third fixing plate
Wherein a predetermined section support portion is formed at the center in the longitudinal direction corresponding to the support groove and the mounting holes are formed on both sides of the support portion in the longitudinal direction.

8. The method of claim 7,
The seating hole
Is equal to the thickness of the two sheets of the first forming plate laminated in the widthwise direction overlapping manner.

8. The method of claim 7,
The fixed end
A connecting portion connected to the third forming plate at one end thereof and a fixing portion integrally formed at the other end of the connecting portion, the shape being formed in a " spiral " shape.

13. The method of claim 12,
The fixed end
Second, and third fixing plates in which the connecting portion is inserted into the insertion groove of the third fixing plate, the fixing portion is inserted into the fixing groove of the second fixing plate, and the first, second, And fixing the plate.

8. The method of claim 7,
The second forming plate
Wherein the first forming plate and the second forming plate are stacked in such a manner that the first forming plate and the second forming plate are overlapped with each other on both sides of the first forming plate.

8. The method of claim 7,
The first, second, and third forming plates
And is fixed in a laminated state on the fixed plate through bolt fastening.