KR101750164B1 - blanking press metallic mold for manufacturing shim - Google Patents

Abstract

A blanking metallic mold for manufacturing a shim according to the present invention includes a stripper plate on which a first core having a punch through hole through which a blanking punch fixed on the punch holder is inserted and removed is inserted, And a die holder to which a second core is attached and detached including a blanking die for cutting the plate material in cooperation with the fixed blanking punch. According to this structure, the blanking mold for shim manufacturing according to the present invention can produce various shims while replacing only the first core and the second core, and it is advantageous in that the shim production efficiency is higher than that of the conventional mold and the production cost can be reduced have.

Description

{Blanking press metallic mold for manufacturing shim}

The present invention relates to a blanking die for shim making, and more particularly, to a blanking die for core manufacture in which a core including a core in a die holder and a core in which a punch through hole is formed in a stripper plate can be partially replaced will be.

Conventional blanking mold units for shim manufacturing are difficult to recycle, and when the products are discontinued, they are discarded and dispose of them as scrap iron, resulting in a great economic loss. In addition, since the entire press mold is required to be produced whenever necessary, there is a disadvantage that it is difficult to produce the press mold quickly. In addition, it is a fact that the proportion of mold cost among product cost can not be neglected in small quantity production in the small quantity production trend of various kinds.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a blanking die for shim manufacturing which can produce various shims while replacing only a first core having a punch through hole in a stripper plate and a second core including a die in a die holder .

Another object of the present invention is to provide a method of manufacturing a shim capable of producing various types of shim using a single first core, in which a first core having a punch through hole, which can be utilized commonly for a plurality of punches, Thereby providing a blanking mold.

Another technical problem to be solved by the present invention is to provide a core for producing a core which can be manufactured by replacing only a first core and / or a second core for a new core, To provide a mold.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are not intended to limit the invention to the precise forms disclosed. Other objects, which will be apparent to those skilled in the art, It will be possible.

According to an aspect of the present invention, there is provided a blanking metallic mold for manufacturing a shim, comprising: a punch holder to which a blanking punch is fixed; A stripper plate on which a first core having a punch through hole through which a blanking punch fixed to the punch holder is formed is attached and detached; And a die holder in which a second core including a blanking die for cutting the plate material in cooperation with the blanking punch fixed to the punch holder is detachably mounted.

The punch through hole includes: a first blanking punch; And a common through hole of a second blanking punch having a common portion and a dedicated portion with the first blanking punch. At this time, the punch through hole passes through the first blanking punch when the first blanking punch is fixed to the punch holder, and when the second blanking punch is fixed to the punch holder, A first region through which the common portion with the first blanking punch penetrates; And a second region through which the dedicated portion of the second blanking punch penetrates when the second blanking punch is fixed to the punch holder.

The punch through hole may include a third region through which the third blanking punch penetrates when the third blanking punch is fixed to the punch holder; And a fourth region through which the fourth blanking punch penetrates when the fourth blanking punch is fixed to the punch holder. In this case, the punch through hole may be a common through hole of the third blanking punch and the fourth blanking punch in which a part of the third area and a part of the fourth area overlap.

In addition, the punch through-hole may include a fifth region through which the fifth blanking punch penetrates when the fifth blanking punch is fixed to the punch holder; And a sixth region through which the sixth blanking punch penetrates when the sixth blanking punch is fixed to the punch holder. In this case, the fifth region and the sixth region may be a common through hole of the fifth blanking punch and the sixth blanking punch, which do not overlap each other.

The blanking mold for shim manufacturing according to the present invention can produce various shims while replacing only a first core having a punch through hole in a stripper plate and a second core containing a die in a die holder.

The blanking mold for shim manufacturing according to the present invention has an advantage that various kinds of shims can be produced by using one first core when a first core having punch through holes that can be utilized commonly for a plurality of punches is mounted have.

Therefore, according to the blanking mold for shim manufacturing according to the present invention, it is possible to produce a variety of shims as compared with a conventional mold in which a stripper plate or a die holder is to be replaced entirely, at the same time, There are advantages.

Furthermore, since the blanking mold for shim manufacturing according to the present invention requires only the first core and / or the second core to be manufactured and replaced for a new shim, it is possible to shorten the mold making period and reduce the cost.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram of a blanking metallic mold for shims according to the present invention. FIG.
Fig. 2 shows an example of a combination of a stripper plate core of a blanking mold for shim making according to the present invention and a corresponding punch.
3 shows another example of a combination of a stripper plate core of a blanking mold for shim making according to the present invention and a corresponding punch.
4 shows another example of a combination of a stripper plate core of a blanking mold for shim making according to the present invention and a corresponding punch.
Each of Figs. 5 to 9 shows a combination of the stripper plate core and the corresponding punches of the blanking mold for shim manufacturing according to the present invention, the combined state of the core and the punches, and the shim produced based on the interlocking of the core and the punches .
Fig. 10 shows examples of a combination of a punch of a blanking mold for shim making according to the present invention and a corresponding die.

For a better understanding of the present invention, its operational advantages and features, and the objects attained by the practice of the present invention, reference should be made to the accompanying drawings, which form a preferred embodiment of the invention, and the accompanying drawings.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Like reference numerals in the drawings denote like elements.

1 is a block diagram of a blanking metallic mold 100 for manufacturing a shim according to the present invention. Here, the shim is a plate for adjusting the clearance, and may be called an interval adjusting plate (interval adjusting plate) manufactured by shearing (particularly, blanking) the plate.

Referring to FIG. 1, the blanking die 100 for shim manufacturing includes a shank 110, an upper holder 120, a backing plate 130, a punch holder 140, A first core 152 formed in the stripper plate and having a punch 141 fixed to the puncher holder 140, a stripper plate 150 and a punching hole 151, A second core 162 included in the die holder 160, a backing plate 170, and a lower holder 160 including a backing plate 153, a die holder 160, lower holder 180).

The shank 110 is a part necessary for fixing the upper mold of the mold to the press. The upper holder 110 serves to fix the backing plate 130, the punch plate 140, the stripper plate 150, and the like. The backing plates 130 and 170 serve to support the pressure applied to the punch 141 and the die 161.

The punch holder 140 serves to fix the punch 141. The punch 141 is a blanking punch for shearing a core of a specific shape from a plate material. The stripper plate 150 serves to prevent deformation of the workpiece while the shim is sheared and to prevent the shear shim from being caught in the punch 141.

The stripper plate 150 includes a first core 152 having a punch through hole through which the punch 141 passes. The first core 152 may be attached to and detached from the stripper plate 150. The backing plate 153 serves to support a pressure applied to the first core 152.

Meanwhile, the backing plate 153 for supporting the pressure applied to the first core 152 in the blanking mold 100 according to the present invention is not necessarily required. For example, in a blanking mold for shim making according to another embodiment of the present invention, the pressure applied to the first core detachable to the stripper plate may be supported by the stripper plate.

The die holder 160 serves to fix the second core 162 including the die 161. The second core 162 is detachable from the die holder 160. The die 161 is a core part that cooperates with the punch 141 to shear the shim. The lower holder 180 serves to fix the die holder 160, the backing plate 170, and the like.

The first core 152 and the second core 162 are detachable from the stripper plate 150 and the die holder 160. This is because the blanking mold 100 can produce various shims while replacing the first core 152 and / or the second core 162.

If the punch through holes formed in the first core 152 can utilize a plurality of punches in common, it is possible to produce various types of shims using one first core. Of course, in this case, the punches and die corresponding to the shim must also be matched.

Therefore, the blanking mold 100 according to the present invention can produce various shims as compared with a conventional mold in which a stripper plate or a die holder is to be replaced entirely, and at the same time, the shim production efficiency is high, There are advantages to be able to.

Further, since the blanking mold 100 according to the present invention can replace only the first core 152 and / or the second core 162 with respect to a new shim, it is possible to shorten the mold making period and reduce the cost There are advantages to be able to.

Fig. 2 shows an example of a combination of the stripper plate core 152a of the blanking mold for shim manufacturing according to the present invention and the corresponding punch 141a.

2 (a) shows the stripper plate core 152a in the form of a rectangular parallelepiped separated from the stripper plate 150. As shown in FIG. The term " stripper plate core " as used herein means a core that is detachable to a stripper plate such as the first core shown in Fig.

2B shows a blanking punch 141a corresponding to a punch through hole 152a 'formed in the stripper plate core 152a, and FIG. 2C shows a blanking punch 141a corresponding to the stripper plate core 152a, And that the blanking punch 141a is engaged.

When the stripping plate core 152a is fixed to the stripper plate 150 and the blanking operation is performed while the blanking punch 141a is fixed to the punch holder 140, 2 (c), the stripper plate core 152a passes through the stripper plate core 152a.

Fig. 3 shows another example of the combination of the stripper plate core 151b of the blanking mold for shim making according to the present invention and the corresponding punch 141b.

3 (a) shows a strip-shaped plate core 152b in the form of a rectangular parallelepiped separated from the stripper plate 150. As shown in Fig.

3B shows a blanking punch 141b corresponding to a punch through hole 152b 'formed in the stripper plate core 152b. FIG. 3C shows a blanking punch 141b corresponding to the stripper plate core 152a, And that the blanking punch 141b is engaged. The punch through hole 152 'may be a through hole of the blanking punch 141a shown in FIG. 2 in addition to the blanking punch 141b.

When the stripping plate core 152b is fixed to the stripper plate 150 and the blanking operation is performed while the blanking punch 141b is fixed to the punch holder 140, And passes through the stripper plate core 152b, as shown in Fig. 3 (c).

4 shows another example of a combination of a stripper plate core of a blanking mold for shim making according to the present invention and a corresponding punch.

4 (a) shows a strip-shaped plate core 152b in the form of a rectangular parallelepiped separated from the stripper plate 150. Fig.

4B shows a blanking punch 141a corresponding to a punch through hole 152b 'formed in the stripper plate core 152b. FIG. 4C shows a blanking punch 141a corresponding to the punch through hole 152b' And shows that the blanking punch 141a is engaged and then mounted on the stripper plate 150. Fig.

When the stripping plate core 152b is fixed to the stripper plate 150 and the blanking operation is performed while the blanking punch 141a is fixed to the punch holder 140, And passes through the stripper plate core 152b, as shown in Fig. 4 (c).

Meanwhile, the punch through hole 152b may be a through hole of the blanking punch 141b previously described with reference to FIG. That is, the punch through hole 152b may be a common through hole of the blanking punches 141a and 141b. This means that different types of shims can be blanked using one core.

Hereinafter, examples in which a plurality of blanking punches are jointly used to form punch through holes formed in one core, and various punches can be manufactured through one core will be described.

Each of Figs. 5 to 9 shows a combination of the stripper plate core and the corresponding punches of the blanking mold for shim manufacturing according to the present invention, the combined state of the core and the punches, and the shim produced based on the interlocking of the core and the punches . 5 to 9 are sectional views of the core and the punch and plan views of the core. 5 to 9, the hatched portion in the cross section of the cores is the punch through hole region.

5A, the through hole of the core 152c is a common through hole of the first punch 141c and the second blanking punch 141d which is longer in the longitudinal direction than the first punch 141c. The second blanking punch 141d has a common portion and a dedicated portion with the first blanking punch 141c. That is, the second blanking punch 141d is the same as the first blanking punch 141c except for the dedicated portion.

5 (a) to 5 (c), when the first blanking punch 141c is fixed to the punch holder 140, the first blanking punch 141c passes through the first area of the punch through hole In this case, it can be seen that the core of the cross section of the first punch 141c is formed after the press work.

5 (a) to 5 (c), it is assumed that the second blanking punch 141d is fixed to the first blanking punch 141d 141c penetrate through the first region of the punch through hole and the dedicated portion passes through the second region of the punch through hole. As a result, the punch corresponding to the cross-sectional shape of the second blanking punch 141d is manufactured do.

The punch through hole may be a common through hole of a plurality of blanking punches having a shorter length than the first blanking punch 141c and a plurality of blanking punches having a longer length than the first blanking punch 141c.

6A, the through hole of the core 152d is a common through hole of the first punch 141e and the second blanking punch 141f which is longer in the lateral direction than the first punch 141e. The second blanking punch 141f has a common portion and a dedicated portion with the first blanking punch 141e. That is, the second blanking punch 141f is the same as the first blanking punch 141e except for the dedicated portion.

6 (a) to 6 (c), when the first blanking punch 141e is fixed to the punch holder 140, the first blanking punch 1411 passes through the first area of the punch through- In this case, it can be seen that the core of the cross section of the first punch 141e is formed after the press work.

6 (a) to 6 (c), it is assumed that the second blanking punch 141f is fixed to the punch holder 140 and the first blanking punch 141f 141e penetrate through the first area of the punch through hole and the dedicated part passes through the second area of the punch through hole. As a result, the punch corresponding to the cross-sectional shape of the second blanking punch 141f is manufactured do.

The punch through hole may be a common through hole of a plurality of blanking punches having a shorter width than the first blanking punch 141e and a plurality of blanking punches having a longer width than the first blanking punch 141e.

The configuration and operation mechanism shown in the example of Fig. 6 can be similarly applied to the core 152e, the first blanking punch 141g, and the second blanking punch 141h shown in Fig. Therefore, a detailed description of the example of FIG. 7 is omitted.

8, core through-holes formed in the core 152f are common through holes of the first through third blanking punches 141i, 141j, and 141k. 8 (a) to 8 (c), the second blanking punch 141j has a first common portion and a first dedicated portion with respect to the first blanking punch 141i, and the third blanking punch 141i 141k have a second common portion and a second dedicated portion relative to the second blanking punch 141j. Although not shown in the drawing, a common portion and a dedicated partial relation to the first blanking punch 141i of the third blanking punch 141k are also established.

In FIG. 9A, the punch through holes of the core 152g are common through holes of the third blanking punch 141l and the fourth blanking punch 141m. The third blanking punch 141l is fixed to the punch holder 140 and penetrates the third region of the punch through hole. When the fourth blanking punch 141m is fixed to the punch holder 140, the fourth blanking punch 141m passes through the fourth region of the punch through hole. A portion of the third region and a portion of the fourth region overlap. On the other hand, in addition to the third and fourth cores shown in FIG. 9A, there may be a plurality of cores having overlapping areas with respect to the punch through holes formed in the core 152g.

9 (b), the punch through holes of the core 152h are common through holes of the fifth blanking punch 141n and the sixth blanking punch 141n. The fifth blanking punch 141n is fixed to the punch holder 140 and passes through a fifth region which is a left region of the punch through hole of the core 152h. The sixth blanking punch 141n is fixed to the punch holder 140 and passes through a sixth region which is a region on the right side of the punch through hole of the core 152h. At this time, the fifth region and the sixth region do not overlap with each other.

Fig. 10 shows examples of a combination of a punch of a blanking mold for shim making according to the present invention and a corresponding die.

FIG. 10 shows that the clearance, which is the interval between the punch and the die, can be set differently depending on the type of the punch. On the other hand, during the core blanking operation, the clearance between the punch and the die may be set differently depending on various factors such as the thickness of the plate material to be sheared, the properties or material of the plate material to be sheared,

While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. This is possible.

Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined by the equivalents of the claims, as well as the claims.

100: Blanking mold for shim making 110: Shank
120: Upper holder 130: Backing plate
140: Punch holder 141: Punch
150: Stripper plate 151: Punch through hole
152: core 153: backing plate
160: Die holder 161: Die
162: core 170: backing plate
180: Lower holder

Claims (5)

delete delete A punch holder in which the blanking punch is detachable;
A stripper plate on which a first core having a punch through hole through which a blanking punch fixed to the punch holder is formed is attached and detached; And
And a die holder in which a second core including a blanking die for cutting the plate material in cooperation with a blanking punch fixed to the punch holder is detached,
The punch through-
A common through hole of a first blanking punch and a second blanking punch composed of a common portion corresponding to the entirety of the first blanking punch and a dedicated portion excluding the common portion,
Wherein when the first blanking punch is fixed to the punch holder, the first blanking punch penetrates, and when the second blanking punch is fixed to the punch holder, the second blanking punch, corresponding to the entire first blanking punch in the second blanking punch A first region through which the common portion passes; And
And a second region through which said dedicated portion of said second blanking punch penetrates when said second blanking punch is secured to said punch holder. ≪ RTI ID = 0.0 > 31. < / RTI > A punch holder in which the blanking punch is detachable;
A stripper plate on which a first core having a punch through hole through which a blanking punch fixed to the punch holder is formed is attached and detached; And
And a die holder in which a second core including a blanking die for cutting the plate material in cooperation with a blanking punch fixed to the punch holder is detached,
The punch through-
A common through hole of a first blanking punch and a second blanking punch having an overlapping portion corresponding to a portion of the first blanking punch,
A first region through which the first blanking punch penetrates when the first blanking punch is fixed to the punch holder; And
And a second region through which the second blanking punch penetrates when the second blanking punch is fixed to the punch holder,
A portion of the first region and a portion of the second region,
And wherein the blanking die is overlapped with each other in correspondence with the overlapping portion. A punch holder in which the blanking punch is detachable;
A stripper plate on which a first core having a punch through hole through which a blanking punch fixed to the punch holder is formed is attached and detached; And
And a die holder in which a second core including a blanking die for cutting the plate material in cooperation with a blanking punch fixed to the punch holder is detached,
The punch through-
A common through hole of the first blanking punch and the second blanking punch,
A first region through which the first blanking punch penetrates when the first blanking punch is fixed to the punch holder; And
And a second region through which the second blanking punch penetrates when the second blanking punch is fixed to the punch holder,
Wherein the first region and the second region do not overlap with each other.

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