KR20110004493U - Compound mold apparatus for aluminium pcb - Google Patents

Abstract

According to the present invention, the guide post is vertically protruded on the corner, and the upper mold in which the punch holder formed in multiple layers is fixed to the bottom, and the circular hole into which the guide post is inserted are formed on the corner, respectively, and have a rectangular shape on the top. In the lower mold where the die is fixed, and a plurality of through-holes are formed at both ends, and the copper foil-printed PCB board is inserted between the upper and lower molds, and formed into a predetermined size, the punch holder is a PCB substrate is entered A first punch having a rectangular shape protruding in two rows on the front left and right sides at a predetermined interval, a second punch projecting in two rows in a transverse direction on the rear lower surface at a predetermined interval from the first punch, and the first and second Pinholes formed in circular shapes are formed on the left and right sides of the punch; The die has a stopper fixed to one side, a stripper fixed to a fixing bolt vertically projected by a second elastic member fixed inside the die, and an insertion block bolted to the bottom of the stripper corresponding to the first punch. And a first fixing pin which is supported by a third elastic member inside the insertion block and protrudes into the upper surface of the stripper, and a second fixing pin which is fixed to the bottom surface of the die corresponding to the pin hole on the left and right sides of the second punch and protrudes into the upper surface of the stripper. The second punch hole is formed on the upper surface of the stripper corresponding to the second punch.

As described above, in the compound mold of the aluminum-based PCB for LEDs according to the present invention, through holes formed on both sides of the PCB board are inserted into and fixed to the first and second fixing pins protruding from the left and right sides of the first and second punch holes, respectively. The right and left sides of the two sides are uniformly moved to achieve precise shearing, and burrs are generated at both ends of the PCB substrate by shearing the aluminum substrate by the second punch after scrap shearing of both sides by the first punch. This reduces and there is an effect that the first and second punches can be used for a long time.

Mold, Punch, Pushing Pad, Stripper, Bushing

Description

Compound mold of aluminum PCC for LED {Compound mold apparatus for aluminum pcb}

The present invention relates to a compound mold of an aluminum-based PCB for LED, and more particularly, by shearing both sides of the PCB substrate by the first punch and then shearing the aluminum substrate used in the product by the second punch. The present invention relates to a compound mold of aluminum-based PCB for LEDs, in which occurrence of burrs is reduced and the first and second punches can be used for a long time.

In general, a PCB board for LEDs is used using a variety of materials, and recently, a lot of production / development has been made to reduce the weight while being used in LED TV. Recently, copper foil is printed on a light PCB material such as aluminum and used in various fields such as LED TVs, street lamps, and signboards, and a compound method of manufacturing a product by processing a mold having a punch having the same size as a PCB substrate is used. It is used.

As shown in the exploded perspective view of the prior art shown in Figure 1, the die 300 and the PCB 300 is positioned on the lower mold 100 and the upper mold 200, respectively formed on the lower and upper, and the PCB board of the desired shape Punch 400 for shearing 500 is formed, respectively. In addition, the die 300 has a structure in which a punch hole 310 through which the PCB substrate 500 sheared by the punch 400 exits is formed.

However, the prior art as described above, the four corners 410 of the punch 400 when processing the PCB substrate 500 is blunt, copper foil printed on the upper surface of the PCB substrate 500 is damaged, such as LED TV, street light, signage When the product is installed in a bad operation occurred, there was a problem that the life of the mold for producing it is shortened.

In order to solve the problems as described above, in the present invention, the first and second fixing pins are inserted into through holes formed at both sides of the PCB to precisely shear the PCB by moving the left and right uniformly when the PCB is moved in the stripper. A plurality of scraps formed on both sides of the die and stripper and also discarded by the first punch so that the first and second punches can be used for a long time and the burrs generated at both ends during shearing of the aluminum substrate are reduced. It is an object of the present invention to provide a compound mold of an aluminum substrate PCB for LEDs, wherein the aluminum substrate is sheared step by step with a second punch.

According to the present invention, the guide post is vertically protruded on the corner, and the upper mold in which the punch holder formed in multiple layers is fixed to the bottom, and the circular hole into which the guide post is inserted are formed on the corner, respectively, and have a rectangular shape on the top. In a lower mold having a die fixed thereto, and a plurality of through holes formed at both ends thereof, and a copper plate printed PCB board is inserted between upper and lower molds, and formed into a predetermined size, the punch holder has a PCB substrate entered therein. A first punch having a rectangular shape protruding in two rows on the front left and right sides at a predetermined interval, a second punch projecting in two rows in a transverse direction on the rear lower surface at a predetermined interval from the first punch, and the first and second Pinholes formed in circular shapes are formed on the left and right sides of the punch; The die has a stopper fixed to one side, a stripper fixed to a fixing bolt vertically projected by a second elastic member fixed inside the die, and an insertion block bolted to the bottom of the stripper corresponding to the first punch. And a first fixing pin which is supported by a third elastic member inside the insertion block and protrudes into the upper surface of the stripper, and a second fixing pin which is fixed to the bottom surface of the die corresponding to the pin hole on the left and right sides of the second punch and protrudes into the upper surface of the stripper. The second punch hole is formed on the upper surface of the stripper corresponding to the second punch.

In addition, one side of the punch holder is a push pad made of a synthetic rubber material so that the periphery is pressurized when the PCB substrate is sheared with the first punch on the bottom of the rod supported by the first elastic member.

In addition, the insertion block, the die, the lower mold, the first punch hole is configured to discharge the scrap sheared in the first punch.

In addition, the first punch is selectively configured to have a groove shape in which the inner surface is straight or the inner ends are rounded.

According to the present invention, the guide post is vertically protruded on the corner, and the upper mold in which the punch holder formed in multiple layers is fixed to the bottom, and the circular hole into which the guide post is inserted are formed on the corner, respectively, and have a rectangular shape on the top. In a lower mold having a die fixed thereto, and a plurality of through holes formed at both ends thereof, and a copper plate printed PCB board is inserted between upper and lower molds, and formed into a predetermined size, the punch holder has a PCB substrate entered therein. The first punch hole of a rectangular shape formed in two rows spaced apart from the left and right by a predetermined interval on the front side, a discharge hole extending to the first punch hole and formed on the side of the punch holder, and a predetermined distance from the first punch hole, and transversely on the rear side bottom surface. A second punch projecting in two rows and a pinhole formed in a circular shape at left and right sides of the second punch; The die has a stopper fixed to one side, a stripper fixed to a fixing bolt vertically projected by a second elastic member fixed inside the die, and fixed to a die bottom surface corresponding to the pinholes on the left and right sides of the second punch. A second fixing pin protruding from the upper surface of the stripper, a first punch fixed to the die to be inserted into the first punch hole, and protruding after passing through the stripper, and a second punch formed on the upper surface of the stripper corresponding to the second punch. The ball is composed.

In addition, the upper mold is connected to the first punch hole, the discharge hole is coupled to the air supply device is configured to connect the air supply.

As described above, in the compound mold of the aluminum-based PCB for LEDs according to the present invention, through holes formed on both sides of the PCB board are inserted into and fixed to the first and second fixing pins protruding from the left and right sides of the first and second punch holes, respectively. The right and left sides of the two sides are moved uniformly to achieve precise shearing, and the burrs generated on both ends of the PCB substrate are generated by shearing the aluminum substrate by the second punch after scrap shearing of both sides by the first punch. It is reduced, and there is an effect that the first and second punches can be used for a long time.

Hereinafter, a first preferred embodiment according to the configuration and operation of the compound mold of the aluminum material PCB for LEDs according to the present invention will be described in detail with the accompanying drawings.

2 is an exploded perspective view of the compound mold of the aluminum aluminum PCB for LEDs according to the first embodiment of the present invention, Figure 3 is a plan view of a lower mold compound mold of the aluminum aluminum PCB for LEDs according to the first embodiment of the present invention, 4 is a plan view of a compound mold upper mold of the aluminum material PCB for LEDs according to the first embodiment of the present invention, Figure 5 is a side view of the compound mold of the aluminum material PCB for LEDs according to the first embodiment of the present invention, Figure 6 Compound mold part of the aluminum material PCB for LEDs according to the first embodiment of the present invention, Figure 7 is a state of the compound mold of the aluminum material PCB for LEDs according to the first embodiment of the present invention.

As shown in FIG. 2, the compound mold of the aluminum-based PCB for LEDs of the present invention has a guide post 11 that protrudes perpendicular to the corners, and is bolted (not shown) in a multilayer structure and is rectangular. Punch holder 12 of the form (12) is formed in the upper mold 10 at the bottom, the circular hole 21 formed in each of the four corners so that the guide post 11 is inserted, and the rectangular shape on the top The die 22 has a structure in which a lower mold 20 is fixed.

In addition, a plurality of through-holes 31 are formed at both ends between the upper mold 10 and the lower mold 20, and are sheared by the first punch 122 to be described later, and the scrap 32 is discharged from the PCB. The substrate 30 is inserted and processed, and for convenience of description, the mold apparatus includes a front A into which the PCB substrate 30 is inserted and a rear from which the scrap 32 remaining after the front of the aluminum substrate 33 is discharged ( B).

As shown in FIGS. 3 to 5, the punch holder 12 protrudes in two rows at a predetermined interval from the bottom surface 121 of the front side A on which the PCB substrate 30 first enters and passes through the PCB substrate 30. The first punch 122 having a rectangular shape in which the scrap 32 is sheared and the first punch 122 are formed at a predetermined interval and protrude in two rows in the horizontal direction on the rear surface B of the rear side (B). 30) the second punch 124 in which the aluminum substrate 33 is sheared into the first punch 122 when entering, and the first and second fixing pins 25 and 26 described later on left and right sides of the first and second punches 122 and 124. The pin holes 125 are respectively inserted.

In addition, the punch holder 12 is formed on the left and right sides of the pushing pad 13 of the synthetic rubber material on the bottom surface of the rod 131 supported by the first elastic member 132 fixed inside the upper mold 10, When shearing the PCB substrate 30 by the first punch 122, the deformation is prevented by pressing the periphery of the PCB substrate 30 sheared by the first punch 122.

In addition, the first punch 122 is formed in a rectangular shape and the inner surface 123 may be formed in a straight shape as shown in Figure 6a, the inner surface 123 is processed into a groove shape as shown in Figure 6b according to the selection. Both ends of the inner substrate are rounded, so that both ends of the aluminum substrate 33 formed by the front end of the PCB substrate 30 are processed in a round shape to prevent an injury that may be caused to an operator handling the aluminum substrate 33 by a sharp end. It works.

On the other hand, the die 22 is supported by the second elastic member 231 fixed inside the lower mold 20, the stripper 23 is fixed to the top of the four fixing bolts 233 protruding away from the predetermined interval, the fixed The bolt 233 is passed through the bushing 232 fixed through the die 22, respectively, so that the stripper is stripped by the second elastic member 231 when the PCB substrate 30 is sheared by the first and second punches 122 and 124. 23 goes up and down a predetermined length. In addition, the die 22 has four stoppers 221 fixed to the upper surface of the bolt C to control the displacement of the stripper 23.

In addition, an insertion block 24 is fixed to the bottom of the stripper 23 at a position corresponding to the first punch 122, and the bolt C is fixed to the third elastic member 251 inside the insertion block 24. The first fixing pin 25 inserted into the pinhole 125 formed on the left and right sides of the first punch 122 and the pinhole 125 formed on the left and right sides of the second punch 124. The second fixing pin 26 is fixed to the bottom of the die 22 corresponding to the upper surface of the stripper 23 and protrudes at the same height as the first fixing pin 25. In addition, the stripper 23 is formed with a second punch hole 28 is inserted into the second punch 124 so that the PCB substrate 30 is sheared on the upper surface corresponding to the second punch 124.

In particular, the insertion block 24, the die 22, the lower mold 20, the first punch hole 27 is configured to discharge the scrap 32 sheared in the first punch 122, respectively, the scrap 32 The piece can be discharged quickly to the bottom.

Hereinafter, the use process according to the first embodiment of the compound mold of the aluminum material PCB for LEDs according to the present invention will be described in detail with the use state diagram of FIG.

In the compound mold of the aluminum-based PCB for LEDs of the present invention, as shown in FIG. 7A, the die 22 and the punch holder 12 are fixed to the upper mold 10 and the lower mold 20, respectively, and then the guide post 11 is opened. 21) to fix it. In this state, the worker places the through holes 31 on both sides of the first fixing pin 25, and then, when the upper mold 10 descends, the scrap 32 is cut by the first punch 122. 27).

In addition, as shown in FIG. 7B, after the front end side through hole 31 of the PCB substrate 30 in which the scrap 32 is sheared by the first punch 122 is moved to the second fixing pin 26. When the upper mold 10 descends, the aluminum substrate 33 is sheared by the second punch 124, and the front end of the aluminum substrate 33 is stepwise by the first punch 122 and the second punch 124. By doing so, the occurrence of burrs on both ends of the aluminum substrate 33 is reduced.

In addition, even when the first and second punches 122 and 124 are used for a long time due to the shearing stepwise, the wear rate of the edge portions is reduced, so that the replacement cycle of the first and second punches 122 and 124 is extended.

Hereinafter, a second preferred embodiment according to the configuration and operation of the compound mold of the aluminum material PCB for LEDs according to the present invention will be described in detail with the accompanying drawings.

FIG. 8 is an exploded perspective view of a compound mold of an aluminum aluminum PCB for LEDs according to a second embodiment of the present invention, and FIG. 9 is a side view of a compound mold of an aluminum aluminum PCB for LEDs according to a second embodiment of the present invention. The compound mold of the aluminum-based PCB for LEDs according to the second embodiment is similar to that of the first embodiment, and for the convenience of description, duplicated descriptions of the first embodiment will be omitted.

8 and 9, the guide post (11a) protruding perpendicular to the four corners, a multi-layered bolt (not shown) is fixed and the rectangular punch holder (12a) is formed on the top The mold 10a, the circular hole 21a formed in each corner so that the guide post 11a is inserted, and the lower mold 20a in which the die 22a of the rectangular shape is fixed to the upper part are formed. Is done.

The punch holder 12a is formed in a rectangular first punch hole 122a in two rows spaced apart from each other by a predetermined distance from the bottom surface 121a of the front side A on which the PCB substrate 30 is initially entered. A discharge hole 123a extending to 122a and formed at the side of the punch holder 12a, and forming a predetermined interval with the first punch hole 122a and protruding in two rows in the horizontal direction on the rear surface B (121) side 121a. And a second punch 124a for shearing the aluminum substrate 33 into the first punch hole 122a when entering the PCB board 30, and second fixing pins 26a to be described later on left and right sides of the second punch 124a. Each of these pinholes 125a is formed.

In particular, the upper mold (10a) is connected to the first punch hole (122a), the discharge hole (123a) and is coupled to the air supply device (D) is formed on one side connecting hole (13a) to supply air, The air is supplied to the first punch hole 122a so that the scrap 32 coming up at the front of the PCB substrate 30 is discharged to the discharge hole 123a.

On the other hand, the die 22a is supported by the second elastic member 231a fixed inside the lower mold 20a, and the stripper 23a is fixed to the upper end of the four fixing bolts 233a protruding away from each other by a predetermined interval. The fixing bolts 233a are respectively passed through the bushing 232a penetrated through the die 22a, so that the stripper (231a) is formed by the second elastic member 231a when the PCB substrate 30 is sheared by the second punch 124a. 23a) is lifted by a predetermined length. In addition, four stoppers 221a are fixed to the upper surface of the die 22a by bolts C to control the displacement of the stripper 23a.

In addition, one side of the stripper 23a is fixed to the die 22a to be inserted into the first punch hole 122a, and a first punch 27a protruding after penetrating the stripper 23a is formed, and the second punch A second fixing pin 26a is fixed to the lower surface 121a of the die 22a corresponding to the pinhole 125a formed on the left and right sides and protrudes from the upper surface of the stripper 23a. In addition, the stripper 23a is formed on the upper surface corresponding to the second punch 124a to form a second punch hole 28a into which the second punch 124a is inserted when the PCB substrate 30 is sheared.

Similar to the first embodiment, the second embodiment moves the PCB board 30 by an operator and shears the scraps 32 on both sides of the PCB board 30 by the first punch 27a to the second punch 124a. As the aluminum substrate 33 is sheared, edge wear of the first and second punches 27a and 124a is reduced, so that the first and second punches 27a and 124a can be used for a long time. First punch 122, 27a, pushing pad 13, bushings 232, 232a, fixing bolts 233, 233a, insertion block 24, first, second fixing pins 25, 26, 26a, etc. The configuration is symmetrically formed and is omitted for convenience of illustration.

As described above, in the compound mold of the aluminum-based PCB for LEDs according to the present invention, through holes formed on both sides of the PCB board are inserted into and fixed to the first and second fixing pins protruding from the left and right sides of the first and second punch holes, respectively. The left and right sides of the are uniformly moved, and the burr generated at both ends of the PCB substrate is reduced by shearing the aluminum substrate by the second punch after scrap shearing of both sides by the first punch.

The present invention is not limited to the preferred embodiments of the features described above, anyone of ordinary skill in the art without departing from the gist of the present invention claimed in the claims that various modifications can be carried out Of course, such changes are intended to fall within the scope of the claims.

1 is an exploded perspective view of a PCB mold according to the prior art

Figure 2 is an exploded perspective view of the compound mold of the aluminum material PCB for LED according to the first embodiment of the present invention

3 is a plan view of a compound mold lower mold of the aluminum-based PCB for LEDs according to the first embodiment of the present invention

4 is a plan view of a compound mold upper mold of the aluminum-based PCB for LEDs according to the first embodiment of the present invention

Figure 5 is a compound mold side view of the aluminum material PCB for LED according to the first embodiment of the present invention

Figure 6 is a compound mold component of the aluminum material PCB for LED according to the first embodiment of the present invention

Figure 7 is a state of use of the compound mold of the aluminum material PCB for LED according to the first embodiment of the present invention

Figure 8 is an exploded perspective view of the compound mold of the aluminum material PCB for LED according to the second embodiment of the present invention

9 is a side view of the compound mold of the aluminum material PCB for LED according to the second embodiment of the present invention

Description of the Related Art [0002]

10,10a: Upper mold 11,11a: Guide post

12,12a: Punch Holder 121,121a: Bottom

122,27a: first punch 122a: first punch ball

123: inner side 123a: discharge hole

124,124a: Second Punch 125,125a: Pinhole

13: pushing pad 131: rod

132: first elastic member 13a: connection hole

20: lower mold 21, 21a: die

221,221a: Stopper 23,23a: Stripper

231,231a: second elastic member 232,232a: bushing

233,233a: Fixing bolt 24: Insertion block

25: first fixing pin 251: third elastic member

26, 26a: second fixing pin 27: the first punch ball

28,28a: second punch hole 30: PCB substrate

31: through hole 32: scrap

33: aluminum substrate

Claims (6)

Guide posts protrude vertically on the four corners, and upper molds in which punch holders formed in multiple layers are fixed at the bottom, and circular holes in which the guide posts are inserted are formed in the four corners, respectively, and dies in the shape of rectangles are fixed on the upper corners. In the lower mold and a compound mold in which a plurality of through-holes are formed at both ends and a copper foil printed PCB substrate is inserted between the upper and lower molds and molded to a certain size. The punch holder 12 has a rectangular first punch 122 that protrudes in two rows at predetermined intervals from the left and right sides of the front lower surface 121 into which the PCB substrate 30 enters, and is uniform with the first punch 122. The second punch 124 protruding in two rows in the transverse direction on the rear side lower surface 121 at intervals, and the pinholes 125 formed in the left and right sides of the first and second punches 122 and 124 are formed, The die 22 has a stopper 221 fixed to one side thereof, and is supported by a second elastic member 231 fixed inside the die 22 and is fixed to a fixing bolt 233 protruding vertically. ), An insertion block 24 bolted to the bottom surface of the stripper 23 corresponding to the first punch 122, and a third elastic member 251 inside the insertion block 24 and supported by the stripper 23. The first fixing pin 25 protruding to the upper surface and the second fixing pin fixed to the bottom surface of the die 22 corresponding to the pin holes 125 on the left and right sides of the second punch 124 and protruding from the upper surface of the stripper 23. And a second punch hole 28 formed on an upper surface of the stripper 23 corresponding to the second punch 124. The method of claim 1, One side of the punch holder 12 is a push pad made of synthetic rubber so that the periphery is pressurized when the PCB substrate 30 is sheared with the first punch 122 on the bottom surface of the rod 131 supported by the first elastic member 132. Compound mold of the aluminum material PCB for LED, characterized in that (13) is configured. The method of claim 1, The insertion block 24, the die 22, the lower mold 20, the first punch hole 27, characterized in that the first punch hole 27 is configured so that the scrap 32 sheared in the first punch 122 is discharged Compound mold of aluminum PCB. The method of claim 1, The first punch 122 is a compound mold of the aluminum material PCB for LEDs, characterized in that the inner surface 123 is selectively configured in a groove shape with a straight line or both inner ends rounded. Guide posts protrude vertically on the four corners, and upper molds in which punch holders formed in multiple layers are fixed at the bottom, and circular holes in which the guide posts are inserted are formed in the four corners, respectively, and dies in the shape of rectangles are fixed on the upper corners. In the lower mold and a compound mold in which a plurality of through-holes are formed at both ends and a copper foil printed PCB substrate is inserted between the upper and lower molds and molded to a certain size. The punch holder 12a is formed in a rectangular first punch hole 122a formed in two rows spaced apart by a predetermined interval on the left and right sides of the front lower surface 121a on which the PCB substrate 30 enters, and the first punch hole 122a. An outlet hole 123a extending from the side of the punch holder 12a and a second punch 124a protruding in two rows in a transverse direction from the rear side bottom surface 121a at a predetermined interval with the first punch hole 122a; And a pinhole 125a formed in a circular shape at left and right sides of the second punch 124a, The die 22a has a stopper 221a fixed to one side thereof, and is supported by a second elastic member 231a fixed inside the die 22 to be fixed to a fixing bolt 233a protruding vertically. ), A second fixing pin 26a fixed to a bottom surface of the die 22a corresponding to the pinholes 125a on the left and right sides of the second punch 124a and protruding to the upper surface of the stripper 23a, and the first punch hole ( The lower portion is fixed to the die 22a so as to be inserted into 122a, the first punch 27a protruding after passing through the stripper 23a, and the second formed on the upper surface of the stripper 23a corresponding to the second punch 124a. Compound mold of aluminum-based PCB for LEDs, characterized in that the punch hole (28a) is configured. The method of claim 1, The upper mold (10a) is connected to the first punch hole (122a), the discharge hole (123a) of the aluminum PCB for LED, characterized in that the connection hole 13a is coupled to the air supply device is configured to supply air Compound mold.

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