KR101127385B1 - mold of making of radiation fin set - Google Patents

Abstract

The present invention relates to a heat dissipation fin set automatic manufacturing mold, the mold is a lower mold consisting of a lower base of a rectangular parallelepiped shape and a lower workbench in which a plurality of dies are formed on the lower base; It consists of an upper base of a rectangular parallelepiped shape and an upper mold composed of an upper workbench in which a plurality of punches are formed at the lower portion of the upper base, and radiating fins by a process such as piercing, burring, notching, beading and bending a metal piece supplied to one side. A mold for manufacturing a set is provided, and the lower worktable is provided with a lamination hole penetrating up and down, and the heat dissipation fins formed by processes such as piercing, burring, notching, bidding and bending are stacked, and the upper workbench At a position corresponding to the lamination hole, a predetermined length protrudes downward to form a pushing punch for pushing the heat dissipation fin into the lamination hole. According to such a configuration, a metal piece that is mounted in one press device and pierced into a strip shape, such as piercing, burring, notching, bidding, and bending is performed to form a heat radiation fin as well as to stack a heat radiation fin formed by the same mold. While being able to manufacture the heat dissipation tweezers, the productivity is improved.

Heat sink, mold, lamination, press, automatic

Description

Heat dissipation fin set automatic manufacturing mold. {Mold of making of radiation fin set}

The present invention relates to a mold for manufacturing a heat dissipation fin set, and more particularly, a heat dissipation fin set automatic manufacturing mold which can manufacture a heat dissipation fin set by forming a heat dissipation fin by processing a strip-shaped metal plate and assembling the formed heat dissipation fin from the same mold. It is about.

Due to the rapid development of the information and telecommunications industry, information and communication devices are in the trend of miniaturization and thinning, while having excellent performance. For this trend, miniaturization, high speed, and large capacity of central computing devices, main memory devices, and peripheral electronic devices used inside information communication equipment are inevitable, and semiconductor device capacity such as miniaturized central computing devices becomes relatively large, and thus heat generation amount is increased. Extremely increased, causing malfunction due to deterioration of the semiconductor device, the failure rate is increased rapidly.

In order to prevent overheating of the semiconductor element as such a heating element, a faster and more effective cooling means should be provided. As a result, a cooling device using a fan motor, a heat radiating fin set, a heat pipe, or the like is attached to the processor and used to cool the processor or the high heat generating semiconductor element. Currently, heat dissipation fins are used in combination with semiconductor devices in a stacked heat dissipation fin set having an increased heat dissipation area.

In the conventional heat sink fin set, a heat sink fin is formed by using a mold, and a plurality of heat sink fins are combined by a separate assembly device to manufacture a heat sink fin set.

That is, the strip-shaped metal pieces sequentially move a predetermined distance in one mold, and work such as piercing, burring, notching, bidding, and bending are performed to form heat radiation fins. The heat dissipation fin is a shape that is bent "C" and is a configuration in which the fastening projection and the fastening groove is formed on the bent surface.

The heat dissipation fins formed by the mold are assembled into a heat dissipation fin set by a separate assembly device. The fastening protrusions of the heat dissipation fins are seated in fastening grooves formed in other adjacent heat dissipation fins, and are combined with each other to form a heat dissipation fin set.

However, in order to manufacture the heat dissipation fin set, a mold for dissipating the heat dissipation fin and the assembling device for assembling the molded heat dissipation fin are required separately, resulting in a complicated manufacturing process, an increase in manufacturing cost, and damage to the fastening protrusion formed of a thin plate during transportation. have.

Therefore, the present invention was devised to solve the above problems, and an object of the present invention is to pierce, burring, notching, beading and bending a metal piece that is mounted in a press device into a strip shape, and thus radiates fins. The present invention provides a mold capable of manufacturing a heat dissipation fin set as well as forming a heat dissipation fin formed by the same mold.

The above object is achieved by the present invention, according to one aspect of the invention, the heat dissipation fin set automatic manufacturing mold is a lower mold consisting of a lower base of the rectangular parallelepiped shape and a lower workbench formed with a plurality of dies on the upper base; ; It consists of an upper base of a rectangular parallelepiped shape and an upper mold composed of an upper workbench in which a plurality of punches are formed at the lower portion of the upper base, and radiating fins by a process such as piercing, burring, notching, beading and bending a metal piece supplied to one side. A mold for manufacturing a set is provided, and the lower worktable is provided with a lamination hole penetrating up and down, and the heat dissipation fins formed by processes such as piercing, burring, notching, bidding and bending are stacked, and the upper workbench At a position corresponding to the stacking hole, a pushing punch is formed to protrude a predetermined length downward to push the heat sink fin into the stacking hole. Characterized in that the fastening projection of the heat radiation fin is cut.

In the present invention, the heat dissipation fins stacked in the lamination holes are characterized in that the free fall by the resistance generated by the interference fit is prevented.

According to another aspect of the present invention, a blanking operation is performed by an edge of the upper end of the pushing punch and the lamination hole.

According to the above-described configuration and operation of the present invention, the metal pieces that are mounted on one press device and introduced into the strip shape are made by piercing, burring, notching, beading and bending to form heat radiation fins, as well as the same. Since the heat radiation fin set can be manufactured while stacking the heat radiation fins formed by the mold, the productivity is improved.

In addition, since the fastening protrusion of the specific heating fin is cut by the quantity counter, the effect of automatically controlling the length of the heat radiation fin set occurs.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, and like reference numerals designate like parts throughout the drawings.

1 is a perspective view of a mold according to an embodiment of the present invention, Figure 2 is a partial cutaway front view of the mold shown in FIG.

As shown in the figure, the heat dissipation fin set automatic manufacturing mold according to the present invention shown by the reference numeral 10 is composed of the upper mold 30 and the lower mold 20, the lower mold 20 and the upper mold 30 Between the support rod 45 and the spring 47 is seated.

The lower mold 20 includes a lower base 21 having a rectangular parallelepiped shape and a lower work bench 23 on which a plurality of dies are formed on the lower base 21, and the upper mold 30 is a rectangular parallelepiped. The upper base 31 of the shape and a plurality of punches formed in the lower portion of the upper base 31.

Therefore, the metal piece 60 supplied to one side forms the heat dissipation fin set 50 by operations such as piercing, burring, notching, bidding, and bending.

The laminated hole 40 of the present invention is formed to penetrate the lower work table 33 and the lower base 21 of the lower mold 20 and the upper mold 30 corresponding to the laminated hole 40. The upper working platform 33 of the pushing punch 70 is formed to protrude to the bottom (see Figs. 3 and 4).

The stacking hole 40 has a rectangular shape in the same manner as the shape of the heat dissipation fins 55, and the pushing punch 70 not only performs a blanking operation to finally cut a portion connected to the metal piece 60, but also completes The heat dissipation fin (55) has a function of pushing a certain distance downward. The heat dissipation fins 55 stacked in the stacking holes 40 may be prevented from falling freely due to the resistance generated by the interference fit.

As shown in FIG. 5, a cylinder 81 is provided at a side of the upper mold 30, and the cylinder 81 operates the cutting punch 83. That is, when the heat dissipation fins 55 of a predetermined quantity are formed by using a water counter (not shown), the cylinder 81 is operated to cut the fastening protrusions 73 of the heat dissipation fin set 50 by the cutting punch 83. (See Figures 7 and 8)

Operation according to the above configuration of the present invention is as follows.

First, when the strip-shaped metal piece 60 is wound, and enters between the upper mold 30 and the lower mold 20, a process such as piercing, burring, notching, beading and bending by a plurality of punches and dies is performed. The heat sink fin 55 is formed while going through. (See FIG. 6)

Since the heat dissipation fin 55 is made by a general press work, a detailed description thereof will be omitted.

As shown in FIGS. 7 and 8, the fastening protrusion 73 and the fastening groove 75 are formed, and a plurality of through holes 90 are formed, so that the sidewalls are connected to the metal piece 60. 40, the pushing punch 70 descends while a blanking operation is performed, and the molded heat dissipation fin 55 is lowered.

As described above, the heat dissipation fin 55 descending by the pushing punch 70 generates resistance to the side surface of the stacking hole 40, and the fastening protrusion 73 is inwardly formed by the wall surface of the stacking hole 40. It is bent to be seated in the fastening groove 75 of the heat dissipation fin 55 is located at the top is connected to each other.

And, as shown in Figure 6, check the number of heat radiation fins 55 formed by a quantity counter (not shown), and when the set number is reached, the cutting punch 83 is operated by the cylinder 81 The cutting punch 83 removes the fastening protrusion 73 of the heat dissipation fin 55 formed.

In this way, the radiating fins 55 from which the fastening protrusions 73 are removed are separated from the fastening grooves 75 of the radiating fins 55 disposed above. In this way it is possible to adjust the number of the radiating fins 55 of the radiating fin set 50.

What has been described above is for carrying out the heat dissipation pin set automatic manufacturing mold according to the present invention, and is not limited to the above-described embodiment of the present invention, as claimed in the following claims without departing from the gist of the present invention. Anyone with ordinary knowledge in the field of the present invention will have the technical idea of the present invention to the extent that various modifications can be made.

1 is a perspective view of a mold according to an embodiment of the present invention.

FIG. 2 is a partial cutaway front view of the mold shown in FIG. 1; FIG.

3 is a perspective view and an enlarged view of the main mold shown in FIG.

4 is a perspective view and an enlarged view of the lower mold shown in FIG.

Figure 5 is a schematic view for explaining a state in which the fastening protrusion of the heat radiation fin is cut.

6 is a schematic view for explaining a state in which the heat radiation fin set is manufactured.

7 is a perspective view of a heat radiation fin set.

Figure 8 is a side view and enlarged view of the heat radiation fin set.

Explanation of symbols on the main parts of the drawings

10: mold, 20: lower mold,

21: lower base, 23: lower workbench,

30: upper mold, 31: upper base,

33: upper workbench, 40: lamination hole,

45: support rod, 47: spring,

50: heat dissipation fin set, 55: heat dissipation fin,

60: metal piece, 73: fastening protrusion

Claims (4)

A lower mold (20) comprising a lower base (21) having a rectangular parallelepiped shape and a lower work table (23) having a plurality of dies formed on the lower base (21); It consists of an upper mold (30) consisting of an upper base (31) having a rectangular parallelepiped shape and an upper working table (33) having a plurality of punches formed at the lower portion of the upper base (31), and piercing the metal piece (60) supplied to one side. In the mold for manufacturing the heat dissipation fin set 50 by a process such as burring, notching, bidding and bending, The lower working platform 23 is formed with a stacking hole 40 penetrating up and down, the heat radiation fins 55 formed by work such as piercing, burring, notching, bidding and bending are stacked, A pushing punch 70 is formed at a position corresponding to the stacking hole 40 of the upper worktable 33 to protrude a lower length to push the heat dissipation fin 55 into the stacking hole 40. Counting the quantity of the heat dissipation fin set 50 to be molded, and if the set quantity is molded, the cutting punch 83 is operated to cut the fastening protrusions 73 of the specific heat dissipation fins 55, characterized in that the automatic manufacturing mold . The heat dissipation fin set of claim 1, wherein the heat dissipation fins (55) stacked in the stacking holes (40) are prevented from being freely dropped by a resistive force due to interference fitting. 3. The mold according to claim 1 or 2, wherein a blanking operation is performed by the upper edge of the pushing punch 70 and the lamination hole 40. delete

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