KR101912082B1 - a mold structure for punching - Google Patents

Abstract

The present invention relates to a mold structure for punching a partition wall of a frame for a flat display apparatus having a partition wall, capable of rapidly punching an inner partition wall of the frame through a mold so as to reduce working time and enabling mass production.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a mold structure for punching,

The present invention relates to a die structure for punching a barrier rib of a frame for a flat panel display having partition walls, and more particularly to a die structure for quickly punching an inner bulkhead of a plate through a die to shorten the working time, To a mold structure punching a barrier rib of a frame for a flat panel display device.

In general, a frame-shaped frame is coupled to an edge of a flat panel display device such as a flat panel TV, and serves to fix components together.

1 is a cross-sectional view showing a main portion of a conventional flat panel display device P having a frame having an inner side wall 11.

In the case where the frame 10 has a double structure including the inner side wall 11, a portion where an electric wire supplying a current to the flat panel display P generates interference with the inner side wall 11 occurs. It is necessary to punch the inner partition 11 of the interfering portion.

The frame 10 is formed in a rectangular shape along the outer periphery of the flat display device P. In order to bend smoothly at the corner of the rectangular frame 10 as described above, The partition 11 must be cut off.

Conventionally, in order to cut the inner side wall 11 of the frame 10 having the double partition, an end mill of a machine tool such as a milling machine is used.

However, if the workpiece is cut by a machine tool such as a milling machine, the work takes a long time, and precision work is required, which lowers the productivity.

Japanese Patent Application Laid-Open No. 10-2016-0080824

SUMMARY OF THE INVENTION It is an object of the present invention to provide a mold structure for a barrier rib punching of a frame for a flat panel display having partition walls capable of precisely cutting an inner partition wall of a frame while quickly cutting the frame.

According to an aspect of the present invention, there is provided a mold structure for punching a barrier rib of a frame for a flat panel display, the mold structure comprising: an upper die moving in a vertical direction; A first upper block mounted on a lower portion of the upper die; A first punch coupled to the first upper block and protruding downwardly and having a first inclined surface at a lower portion thereof; A second upper block formed with a through hole through which a lower portion of the first punch protrudes and formed at a lower portion of the first upper block and having a first insertion groove into which a top portion of the frame is inserted, And spaced apart from the second upper block by a predetermined distance; A lower die correspondingly fixed to a lower portion of the upper die; A first lower block coupled to an upper portion of the lower die; A second lower block having a receiving space coupled to an upper portion of the first lower block and having a second insertion groove corresponding to the first insertion groove so as to insert a lower portion of the frame; A second punch formed at one side thereof with a second inclined surface corresponding to a first inclined surface of the first punch and slidable in a lateral direction in contact with the first inclined surface; Return means for returning the second punch to the original state; A cutting blade coupled to the other side of the second punch to cut an inner side wall of the frame; A fixing member coupled to the receiving space of the second lower block so as to correspond to the cutting blade and holding an inner partition wall of the frame inserted into the first insertion groove and the second insertion groove; Wherein when the upper die is lowered, the first upper block, the first punch and the second upper block descend while the second upper block contacts the upper surface of the second lower block, The upper part of the frame inserted into the groove is fixed while being inserted into the first insertion groove and the first upper block pushes the spacing means while the first upper block and the first punch descend, The second punch is moved laterally while pressing the returning means by the first inclined surface and the second inclined surface of the second punch to cut a part of the inner partition wall of the frame by the cutting blade and the fixing member , The first punch and the second upper block are raised so that the first upper block is spaced apart from the second upper block by the spacing means when the upper die rises and the second punch Returning to the home position by the returning means,

A support groove is formed in a shape corresponding to the upper outer shape of the frame inserted into the first insertion groove and the second insertion groove, which is coupled to a central portion of the first insertion groove so as to protrude to a lower portion of the second upper block A fixing block for inserting and fixing an upper portion of a center portion of the frame inserted into the first insertion groove and the second insertion groove into the support groove when the upper die is lowered; And the second lower block is formed with a seating groove on which the fixed block projected from the second upper block is seated.

"의 형상으로 형성되며,Further,

Quot;

Wherein the fixing member includes: a side support portion for supporting an inner partition wall of the frame cut by both right and left sides of the cutting blade; And a fixing portion disposed between the side supporting portions and supporting a lower portion of an inner side wall of the frame cut by the cutting edge.

The fixing member may include a body fixedly coupled to the accommodation space, Wherein the body portion supports the side support portions on both left and right sides, and the fixing portion is slidably coupled to the front side.

First, by cutting the inner partition wall of the frame by the mold, it is possible to cut quickly and precisely, thereby shortening the working time.

Further, the first inclined surface of the first punch is contacted with the second inclined surface of the second punch, and the vertical movement of the first punch is laterally switched, whereby the second punch is coupled to the other side of the second punch, There is an effect that a part of the inner side wall of the frame is quickly cut at a time.

Second, by forming the fixed block, the frame inserted into the first insertion groove and the second insertion groove can be further tightened and fixed while the second upper block descends, so that when the inner partition wall of the frame is cut, It can be fixed so as not to flow.

Thirdly, by constituting the fixing member with the side supporting portion and the fixing portion, the side supporting portion supports the inner side wall of the frame which is not cut when the inner part of the frame is cut by the cutting blade so as not to bend, Wherein the inner partitions of the frame to be cut have an effect of supporting the lower part of the inner partitions of the frame to be cut so that the cutting can be performed well so that the cutting is neat.

Fourthly, by constituting the body portion in the fixing member, when the inner partition wall of the frame is cut by the cutting blade, the side support portion is supported by the pressure to be cut in the accommodating space, , It can be easily replaced.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view showing a main part of a flat panel display device having a frame having a normal inner barrier. FIG.
2 is a perspective view of a mold according to an embodiment of the present invention;
3 is an exploded bottom perspective view of one side and the other side showing a structure of an upper mold in a mold according to an embodiment of the present invention.
4 is an exploded perspective view of one side and the other side showing the structure of a lower mold in a mold according to an embodiment of the present invention.
5 is an exploded perspective view illustrating one side and the other side of a second punch and a cutting edge in a mold according to an embodiment of the present invention.
6 is an exploded perspective view of one side and the other side showing the structure of a fixing member in a metal mold according to an embodiment of the present invention.
7 to 9 are side cross-sectional views illustrating the operation of a mold according to a temporal example of the present invention.
10 is a bottom perspective view showing a process of cutting and bending an inner partition wall of a frame by the mold of the present invention.
11 is a perspective view showing a state in which a frame having an inner side wall cut in a mold of the present invention is manufactured as a product.

The mold structure of the present invention allows a part of the inner partition wall of the frame to be cut quickly while cutting with high precision by one lifting operation.

That is, as shown in Figs. 10 (a) and 10 (b), the mold structure of the embodiment of the present invention has a structure in which a part of the inner partitions 11 from the frame 10 having the extruded inner partitions 11, So that it can be cut quickly.

2 to 9, a mold structure for punching a barrier rib of a frame for a flat panel display having a partition according to an embodiment of the present invention includes an upper die 100, a first upper block 110, The first punch 300, the second upper block 120, the spacing means 130, the lower die 200, the first lower block 210, the second lower block 220, the second punch 400, Means 230, a cutting edge 500, a fixation member 600 and a fixation block 700.

The upper die 100 is lifted and lowered to move the first upper block 110, the second upper block 120 and the first punch 300 up and down.

Since the upper die 100 is lifted and lowered by a hydraulic cylinder, detailed description thereof will be omitted.

The first upper block 110 is mounted on the lower portion of the upper die 100 and moves up and down together with the upper die 100 as shown in FIGS. 2, 3 and 7 to 9.

The first upper block 110 couples the first punch 300 to be described later so as to move up and down together with the upper die 100.

The first punch 300 is coupled to the first upper block 110 and protrudes downward as shown in FIGS. 3 and 7 to 9.

At this time, the first punch 300 is mounted through the second upper block 120 to be described later.

A first inclined surface 301 is formed below the first punch 300.

The first punch 300 descends and descends when the upper die 100 descends and the first sloping surface 301 contacts the second sloping surface 401 to be described later, In the direction perpendicular to the descending direction of the first punch 300, that is, in the lateral direction.

A detailed description thereof will be described later.

The second upper block 120 is spaced apart from the lower portion of the first upper block 110 as shown in FIG. 7, and when the upper die 100 is lowered, as shown in FIG. 8, And contacts the upper surface of the second lower block 220 to support the upper portion of the frame 10.

A through hole 121 is formed in the lower portion of the second upper block 120 to protrude the lower portion of the first punch 300 in FIGS. 3, 7 to 9.

As shown in FIG. 8, when the upper die 100 is lowered in a state where the second upper block 120 is spaced apart from the first lower block 210, The first punch 300 may be positioned between the first upper block 110 and the second upper block 120 while the second upper block 120 is in contact with the second lower block 220, Thereby making it possible to descend further by a predetermined distance.

As shown in FIG. 3, a first insertion groove 122 into which the upper portion of the frame 10 is inserted is formed on the bottom surface of the second upper block 120.

The first insertion groove 122 is formed so as to correspond to the second insertion groove 222 described later, and the upper portion of the frame 10 is inserted.

7 to 9, the spacing means 130 is installed between the first upper block 110 and the second upper block 120 to be spaced apart at regular intervals as shown in FIG. 7 .

8 and 9, when the upper die 100 is lowered, the second upper block 120 contacts the second lower block 220, which will be described later, The upper surface of the second upper block 120 and the lower surface of the first upper block 110 are selectively separated or brought into contact with each other.

Accordingly, the spacing means 130 is made of an elastic member such as a spring.

The spacing means 130 is made of an elastic member and can be mounted at various positions as needed, and thus is not described in detail in the drawings.

The lower die 200 is fixedly mounted on the lower portion of the upper die 100 as shown in FIG.

The lower die 200 serves as a pedestal.

The first lower block 210 is coupled to the upper portion of the lower die 200 as shown in FIGS. 2, 4, and 7 - 9.

The second lower block 220 is coupled to the upper portion of the first lower block 210.

In the second lower block 220, a receiving space 221 is formed.

The second punch 400 and the cutting blade 500 to be described later are inserted into the receiving space 221 as shown in FIGS. 4, 7 to 9, and the fixing member 600 is engaged.

The second punch 400 inserted into the receiving space 221 and the cutting blade 500 are moved in the lateral direction by the second punch 400 and the returning means 230 described later.

A second insertion groove 222 is formed on the upper surface of the second lower block 220 at a position corresponding to the first insertion groove 122.

The lower portion of the frame 10 is inserted into the second insertion groove 222 as shown in FIGS.

8 and 9, when the upper die 100 is lowered together with the first insertion groove 122, the second insertion groove 222 is formed in the upper portion of the frame 10 So that the frame 10 is fixed.

4, 6 and 7 to 9, the second punch 400 includes a second inclined surface 401 corresponding to the first inclined surface 301 of the first punch 300, And is accommodated in the accommodation space 221.

When the upper die 100 is lowered, the first punch 300 of the second punch 400 contacts the second inclined surface 401 while the first inclined surface 301 of the first punch 300 contacts the accommodating space 221 As shown in Fig.

When the upper die 100 is lifted, the second punch 400 is returned to the original position by the returning means 230, which will be described later.

The first inclined surface 301 of the first punch 300 abuts on the second inclined surface 401 of the second punch 400 so that the vertical movement of the first punch 300 is changed in the lateral direction A part of the inner partition wall 11 of the frame 10 is rapidly cut at a time by the cutting blade 500 which is coupled to the other side of the second punch 400 and is described later.

The returning means 230 returns the second punch 400 to its original position, that is, the position before the inner partition wall 11 of the frame 10 is cut.

When the second punch 400 is laterally moved by the first punch 300, the returning means 230 is compressed.

Accordingly, the returning means 230 is made of an elastic member such as a spring.

The restoring means 230 may also be formed in various shapes using elastic members, so detailed drawings thereof will be omitted.

 4, 6 and 7 to 9, the cutting blade 500 is coupled to the other side of the second punch 400 and moves laterally together with the second punch 400, A part of the inner partition wall 11 of the frame 10 fixed by the frame 10, that is, the first insertion groove 122 and the second insertion groove 222 is cut.

"의 형상으로 형성된다.As shown in Fig. 6,

"

"한 형상으로 형성된다.That is, the cutting blade 500 is formed to cut the upper and left and right sides of the inner side wall 11 of the frame 10,

Quot; shape.

The fixing member 600 is coupled to the receiving space 221 of the second lower block 220 in correspondence with the cutting blade 500 as shown in FIGS.

The fixing member 600 holds the inner partition wall 11 of the frame 10 inserted into the first insertion groove 122 and the second insertion groove 222.

The fixing member 600 includes a side support portion 610, a fixing portion 620, and a body portion 630 as shown in FIG.

The side support portions 610 support inner side walls 11 of the frame 10 cut by the right and left sides of the cutting edge 500.

"한 형상으로 형성된 상기 커팅날(500)의 좌우 양측에 의해 커팅시, 도 7 내지 도 9에 도시되 바와 같이 커팅되지 않는 상기 프레임(10)의 내측격벽(11)이 휘어지지 않게 지지한다.More specifically, the side support portion 610 is "

7 to 9, the inner partition wall 11 of the frame 10, which is not cut, is supported by the left and right sides of the cutting blade 500 formed in a shape so as not to be bent.

The fixing portion 620 is disposed between the side supporting portions 610 and supports a lower portion of the inner side wall 11 of the frame 10 cut by the cutting edge 500.

The side support portion 610 is formed by the cutting edge 500 and the inner side wall portion 610 of the frame 10 by the cutting edge 500. [ The inner partition wall 11 of the frame 10 which is not cut is not bent while the inner partition wall 11 of the frame 10 to be cut is cut And supports the lower portion of the inner side wall 11 of the frame 10 to be cut in a well-formed manner, so that the cutting is neat.

The body portion 630 is fixedly coupled to the accommodation space 221 as shown in FIG.

As shown in FIG. 6, the body portion 630 supports the side support portions 610 on both left and right sides, and the fixing portion 620 is slidingly coupled to the front side.

By forming the body portion 630 as described above, when the inner partition wall 11 of the frame 10 is cut by the cutting blade 500, the side support portion 610 is pressed by the cutting pressure, Can be easily replaced when the fixing portion 620 is bent or broken while supporting it in a non-flowable state in the fixing portion 221.

Meanwhile, the fixed block 700 is coupled to the central portion of the first insertion groove 122 so as to protrude downward as shown in FIGS. 2, 7 to 9.

8 and 9, the fixed block 700 has a shape corresponding to the outer shape of the frame 10 inserted into the first insertion groove 122 and the second insertion groove 222 A support groove 710 is formed.

8, when the upper die 100 is lowered, the support groove 710 is formed in the frame 10 inserted into the first insertion groove 122 and the second insertion groove 222, The upper portion of the central portion of the first and second openings is inserted and fixed so as not to flow.

The second lower block 220 is formed with a seating groove 223 on which a lower portion of the fixed block 700 protruded from the second upper block 120 is seated.

More specifically, the seating groove 223 is formed on the upper portion of the fixing member 600 fixedly coupled to the accommodation space 221.

By thus constituting the fixed block 700, the frame 10 inserted into the first insertion groove 122 and the second insertion groove 222 can be lowered while the second upper block 120 is lowered So that the frame 10 is fixed so as not to flow when the inner side wall 11 of the frame 10 is cut.

The operation of the mold structure according to an embodiment of the present invention having such a structure will be described.

First, as shown in Fig. 10 (a), the extruded frame 10 is inserted into the second insertion groove 222 as shown in Fig.

At this time, when the fixing member 600 is cut, the side support portions 610 support the left and right sides of the inner partition wall 11 of the frame 10 so as not to be bent, 11 are inserted in such a manner that the fixing portion 620 supports the lower portion.

8, when the upper die 100 is lowered, the first upper block 110, the first punch 300, and the second upper block 120 are lowered, The upper portion of the frame 10 inserted into the second insertion groove 222 is inserted into the first insertion groove 122 of the block 120 and the upper portion of the frame 10 is inserted into the support groove 710 of the fixing block 700, The upper portion of the frame 10 is fixed and the second upper block 120 and the second lower block 220 are brought into contact with each other.

9, the upper die 100 and the first upper block 110 continue to descend while compressing the spacing means 130, and the first punch 300 is inserted into the through holes (not shown) 121 to the receiving space 221. [0053]

9, the first inclined surface 301 of the first punch 300 descending into the accommodation space 221 is in contact with the second inclined surface 401 of the second punch 400 The second punch 400 is moved laterally in the accommodation space 221. As shown in FIG.

When the second punch 400 is moved in the lateral direction, the cutting blade 500 coupled to the second punch 400 is inserted into the first insertion groove 122 and the second insertion groove 222 And part of the inner partition wall 11 of the frame 10 is cut while moving in the direction of the frame 10 fixed by the fixed block 700.

At this time, the side supporting portion 610 of the fixing member 600 supports the portion of the inner side wall 11 of the frame 10 that is not cut at the unfolded portion, and the fixing portion 620 The lower part of the inner side wall 11 of the frame 10 to be cut as shown in FIG.

This cutting is completed and the upper die 100 is lifted so that the first upper block 110 and the first punch 300 are lifted and the second upper block 120 is lifted up by the spacing means Lt; RTI ID = 0.0 > 130 < / RTI >

At this time, as the first punch 300 is lifted, the second punch 400 is returned to its original position by the returning means 230, and the operation is completed.

By cutting the inner side wall 11 of the frame 10 in this manner, the cutting time can be shortened by fast and precise cutting.

At this time, if a plurality of the molds are arranged in the lateral direction, that is, in the longitudinal direction of the frame 10, as shown in FIG. 10 (b), the portion into which the electric wire enters and the bent portions can be cut at once.

As shown in Fig. 10 (d), the upper portion of the bent portion of the frame 10 thus cut is cut as shown in Fig. 10 (c), and then the rectangular portion The frame 10 is produced.

The inner part wall machining mold of the frame having the double partitions of the flat panel display device of the present invention is not limited to the above embodiment but can be variously modified within the scope of the technical idea of the present invention.

10: Frame 11: Inner bulkhead
100: upper die 110: first upper block 120: second upper block
121: through hole 122: first insertion groove 130: spacing means
200: lower die 210: first lower block 220: second lower block
221: accommodation space 222: second insertion groove 223: seat groove
230: return means 300: first punch 301: first inclined surface
400: second punch 401: second slope 500: cutting blade
600: fixing member 610: side supporting portion 620:
630: body part 700: fixed block 710: support groove

Claims (4)

An upper die 100 moving in a vertical direction;
A first upper block 110 mounted on a lower portion of the upper die 100;
A first punch 300 coupled to the first upper block 110 and protruding downwardly and having a first inclined surface 301 at a lower portion thereof;
A through hole 121 through which the lower portion of the first punch 300 protrudes is formed and is disposed at a lower portion of the first upper block 110 and has a first insertion groove A second upper block 120 on which the second upper block 120 is formed;
A spacing means 130 mounted between the first upper block 110 and the second upper block 120 and selectively spaced apart from each other at regular intervals;
A lower die 200 fixedly mounted on the lower portion of the upper die 100;
A first lower block 210 coupled to an upper portion of the lower die 200;
A receiving space 221 is formed on the upper part of the first lower block 210 and a second insertion groove 222 corresponding to the first insertion groove 122 is inserted into the upper surface of the frame 10, A second lower block 220 on which the first lower block 220 is formed;
And a second inclined surface 401 is formed on one side of the first punch 300 so as to correspond to the first inclined surface 301 of the first punch 300 to slide in the receiving space 221 in the left- Two punches 400;
Return means (230) for returning the second punch (400) to the original state;
A cutting blade 500 coupled to the other side of the second punch 400 to cut the inner side wall 11 of the frame 10;
The first insertion groove 122 and the second insertion groove 222 inserted into the receiving space 221 of the second lower block 220 in correspondence with the cutting blade 500, A fixing member 600 for holding the inner side wall 11 of the main body 100; ≪ / RTI >
When the upper die 100 is lowered, the first upper block 110, the first punch 300, and the second upper block 120 descend while the second upper block 120 moves to the second The upper portion of the frame 10 inserted into the first insertion groove 122 is fixed while being inserted into the first insertion groove 122 while being in contact with the upper surface of the lower block 220, The first upper block 110 and the first punch 300 are lowered while pressing the spacing means 130 so that the first inclined surface 301 of the first punch 300 and the second inclined surface 301 of the first punch 300 The second punch 400 moves laterally while pressing the return means 230 by the second inclined surface 401 of the first punch 400 and the second punch 400 moves the second punch 400 by the cutting blade 500 and the fixing member 600 Cuts a part of the inner partition wall 11 of the frame 10,
When the upper die 100 is lifted, the first punch 300 and the second upper block 120 are raised so that the first upper block 110 is separated by the spacing means 130 from the second upper The second punch 400 is returned to the home position by the returning means 230,
A first upper block 120 and a second upper block 120. The first upper block 120 is coupled to a central portion of the first insertion groove 122 so as to protrude to a lower portion of the second upper block 120 and is inserted into the first insertion groove 122 and the second insertion groove 222, The first insertion groove 122 and the second insertion groove 710 are formed in the support groove 710 when the upper die 100 is lowered, A fixing block 700 inserted and fixed to an upper portion of a central portion of the frame 10 inserted into the frame; , ≪ / RTI >
And a seating groove (223) on which the fixed block (700) protruding from the second upper block is seated is formed on the second lower block (220). The partition wall punching method for a frame for a flat panel display Mold structure.
delete The method according to claim 1,
The cutting blade 500 is "

Quot;
The fixing member (600)
A side support portion 610 for supporting the inner side wall 11 of the frame 10 cut by the left and right sides of the cutting blade 500;
And a fixing part (620) disposed between the side supporting parts (610) and supporting the lower part of the inner side wall (11) of the frame (10) cut by the cutting blade (500) And a mold structure for punching a barrier rib of a frame for a flat panel display. The method of claim 3,
The fixing member 600 includes a body portion 630 fixedly coupled to the accommodation space 221; Further comprising:
The body portion 630 supports the side support portions 610 on both sides and the fixing portion 620 is slidably coupled to the front side of the body portion 630. The partition wall punching of the frame for a flat panel display Mold structure.

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