KR20150078469A - Cutting block for blanking - Google Patents

Cutting block for blanking Download PDF

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Publication number
KR20150078469A
KR20150078469A KR1020130167843A KR20130167843A KR20150078469A KR 20150078469 A KR20150078469 A KR 20150078469A KR 1020130167843 A KR1020130167843 A KR 1020130167843A KR 20130167843 A KR20130167843 A KR 20130167843A KR 20150078469 A KR20150078469 A KR 20150078469A
Authority
KR
South Korea
Prior art keywords
cutting
cutting die
metal mold
frame
blanking
Prior art date
Application number
KR1020130167843A
Other languages
Korean (ko)
Inventor
정명섭
이문용
Original Assignee
주식회사 성우하이텍
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 성우하이텍 filed Critical 주식회사 성우하이텍
Priority to KR1020130167843A priority Critical patent/KR20150078469A/en
Publication of KR20150078469A publication Critical patent/KR20150078469A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/06—Making more than one part out of the same blank; Scrapless working
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/14—Dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00—Forging presses
    • B21J9/02—Special design or construction
    • B21J9/04—Piercing presses

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shearing Machines (AREA)

Abstract

A cutting die for a blanking press is disclosed. A cutting die for a blanking press according to an exemplary embodiment of the present invention includes a lower frame mounted on a base, an upper frame formed on the lower frame, a lower cutting die formed on one side of the lower frame, A blanking press having an upper cutting die disposed on an upper portion of a mold, a blanking cylinder disposed on an upper plate of the upper frame in a downward direction, and an upper cutting die provided on a leading end of a working rod of the blanking cylinder, The lower cutting metal mold is provided with an installation groove at an inner upper portion of the lower cutting metal mold and an inner lower portion of the corresponding upper cutting metal mold. The lower cutting metal mold is inserted and fastened to the respective installation grooves, Includes cutting steel.

Description

[0001] CUTTING BLOCK FOR BLANKING [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cutting die for a blanking press, and more particularly, to a cutting die for a blanking press for cutting a coil into a blank of a predetermined size.

Generally, a blanking press is a kind of cutting press for cutting a coil to a certain standard in order to feed a panel sheet serving as a material in a roll forming process or a press process.

Fig. 1 is a side view of a general blanking press, and Fig. 2 is an enlarged view of a cutting die for a blanking press according to the prior art.

1 and 2, a conventional braking press 1 is provided with a lower frame 5 on a base 3 and an upper frame 7 on an upper portion of the lower frame 5 .

A lower cutting die 11 is formed on one side of the lower frame 5 and an upper cutting die 13 is disposed on the upper side of the lower cutting die 11.

A blanking cylinder 15 is installed on the upper plate 9 of the upper frame 7 in a downward direction and the upper cutting die 13 is installed on the tip of the operating rod 17 of the blanking cylinder 15 .

The upper cutting die 13 constitutes a clamping means 20 for pressing and clamping the coil by a spring force on a lower side corresponding to the lower cutting die 11.

The clamping means 20 is constituted by a plurality of spring rods 21 installed on one side of the upper cutting die 13 so as to penetrate from the upper side to the lower side along the width direction and the lower portion of the upper cutting die 13 And a clamper 23 is disposed on one side along the width direction and is fastened to the lower ends of the plurality of spring rods 21.

The lower end of the spring 25 is supported on the upper surface of the clamper 23 and the upper end of the spring 25 is supported on the lower surface of the upper cutting metal mold 13, .

At this time, the plurality of spring rods 21 are integrally formed at the upper ends thereof so as to be supported on the upper surface of the upper cutting metal mold 13.

The upper cutting metal mold 13 and the lower cutting metal mold 11 are formed by protruding a cutting blade portion C on respective corresponding side surfaces.

However, in the conventional blanking press cutting molds, that is, the upper and lower cutting dies 11 and 13, even if a small damage is generated in the cutting blade portion C during the blanking process for cutting the material P, The entire upper and lower cutting dies 11 and 13 must be replaced, thereby causing a decrease in productivity.

In addition, frequent replacement of the cutting metal mold is disadvantageous in maintenance due to the expensive price of the metal mold.

The embodiment of the present invention is configured such that the cutting steel forming the cutting edge portion on the upper and lower side edges of both sides is separately formed and assembled to the respective cutting metal molds so that it is easy to replace even the damage of the cutting edge portion, And can be used up to four times to provide an economical blanking die for a blanking press.

In one or more embodiments of the present invention, a lower frame is provided on a base, an upper frame is formed on the lower frame, a lower cutting die is formed on one side of the lower frame, A blanking cylinder having an upper cutting die disposed on an upper plate of the upper frame and a lower cutting die disposed on a lower end of the upper cutting die and a lower cutting die disposed on an upper end of a working rod of the blanking cylinder, Is provided with a mounting groove formed in an inner upper portion of the lower cutting metal mold and an inner lower portion of the corresponding inner cutting portion of the upper cutting metal mold. The cut steel is inserted into each of the mounting grooves and is fastened to the corner portion, The present invention can provide a cutting die for a blanking press.

The cutting steel is formed of a steel block having a rectangular cross section having a predetermined length, and a cutting blade part is formed on each of upper and lower side edges of both sides, and a plurality of bolt holes are formed on both sides.

Further, the cutting blade portion may be formed by protruding a predetermined thickness from both sides.

In addition, the mounting groove may further include a stepped groove to insert the cutting blade part on the upper side and the lower side of the inner side.

The cutting steel may be fastened through fastening bolts inserted through the respective through holes from the outer side of the upper cutting metal mold or the lower cutting metal mold.

The embodiment of the present invention can easily replace the damaged portion of the cutting blade even when the cutting blade is formed by separately forming the cutting steel on the upper and lower side corners of both sides and assembling it to the respective cutting metal molds, It can be used by replacing up to 4 times, which is economical.

1 is a side view of a general blanking press.
2 is an enlarged view of a cutting die for a blanking press according to the prior art.
3 is a side view of a blanking press to which a cutting tool according to an embodiment of the present invention is applied.
4 is an enlarged view of a cutting die for a blanking press according to an embodiment of the present invention.
5 is a perspective view of a cutting steel applied to a cutting die for a blanking press according to an embodiment of the present invention.

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

It is to be understood, however, that the present invention is not limited to the illustrated embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention. .

In order to clearly illustrate the embodiments of the present invention, parts that are not related to the description are omitted.

FIG. 3 is a side view of a blanking press with a cutting die according to an embodiment of the present invention, FIG. 4 is an enlarged view of a cutting die for a blanking press according to an embodiment of the present invention, Fig. 6 is a perspective view of a cutting steel applied to a cutting die for a blanking press according to the present invention.

3, a blanking press 1 to which a cutting mold according to an embodiment of the present invention is applied includes a lower frame 5 mounted on a base 3, (7).

A lower cutting die 11 is formed on one side of the lower frame 5 and an upper cutting die 13 is disposed on the upper side of the lower cutting die 11.

A blanking cylinder 15 is installed on the upper plate 9 of the upper frame 7 in a downward direction and the upper cutting die 13 is installed on the tip of the operating rod 17 of the blanking cylinder 15 .

Referring to FIG. 4, the upper cutting die 13 constitutes a clamping means 20 for pressing and clamping a coil by a spring force on a lower side corresponding to the lower cutting die 11.

The clamping means 20 is constituted by a plurality of spring rods 21 installed on one side of the upper cutting die 13 so as to penetrate from the upper side to the lower side along the width direction and the lower portion of the upper cutting die 13 And a clamper 23 is disposed on one side along the width direction and is fastened to the lower ends of the plurality of spring rods 21.

The lower end of the spring 25 is supported on the upper surface of the clamper 23 and the upper end of the spring 25 is supported on the lower surface of the upper cutting metal mold 13, .

At this time, the plurality of spring rods 21 are integrally formed at the upper ends thereof so as to be supported on the upper surface of the upper cutting metal mold 13.

The upper cutting metal mold 13 and the lower cutting metal mold 11 are provided with an installation groove 31 at an inner upper portion of the lower cutting metal mold 11 and a corresponding inner lower portion of the upper cutting metal mold 13, .

Cutting steel 30 is inserted into and fastened to each of the mounting grooves 31. The cutting steel 30 has a cutting blade portion C at an edge thereof.

5, the cutting steel 30 is formed of a steel block having a rectangular cross section having a predetermined length, and a cutting blade portion C is formed on each of upper and lower side edges of both sides, and three bolt holes (35) are formed.

The cutting blade portion C is formed protruding from both sides with a predetermined thickness.

The stepped groove 31a is formed in the mounting groove 31 so that the cutting blade portion C is inserted into the upper side and the lower side of the inner side surface.

The cutting steel 30 is inserted into the respective bolt holes 35 through the fastening bolts 39 inserted through the respective through holes 37 from the outside of each of the upper cutting die 13 or the lower cutting die 11 Is fastened and fixed.

Therefore, even if a small damage is generated in the cutting blade portion C during the blanking process for cutting the work P, the cutting die for the blanking press having the above-described configuration, that is, the upper and lower cutting dies 11 and 13, The cutting steel 30 is maintained by a simple operation of replacing or placing the steel in the other direction and tightening it.

The replacement operation of the cutting steel 30 is performed by the operator with ease because the cutting steel 30 is light in weight compared to the upper and lower cutting dies 13 and 11 and thus productivity can be ensured.

Further, since one cutting steel 30 forms the four cutting edge portions C, it can be used by changing only the installation direction up to the fourth cutting edge C, which is economically advantageous.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. Various modifications and variations are possible within the scope of the appended claims.

1: Blanking press
3: Base
5: Lower frame
7: Upper frame
9: Top plate
11: Lower cutting die
13: upper cutting die
15: Blanking cylinder
17: Operation rod
20: Clamping means
21: spring rod
23: Clamper
25: spring
27: Stopper
30: Cutting steel
31: Installation home
31a: stepped groove
35: Bolt hole
37: Through hole
39: fastening bolt
C: Cutting blade

Claims (8)

A lower frame is provided on a base, an upper frame is formed on an upper portion of the lower frame, a lower cutting die is formed on one side of the lower frame, an upper cutting die is disposed on an upper portion of the lower cutting die, A blanking cylinder in which a blanking cylinder is installed on an upper plate of the frame in a downward direction and the upper cutting die is provided on the end of an operating rod of the blanking cylinder,
The upper and lower cutting dies
An inner upper portion of the lower cutting metal mold and an inner lower portion of the inner lower portion of the upper cutting metal mold, respectively, and a cutting steel which is inserted and fastened to the respective mounting grooves and has a cutting blade portion formed therein Wherein the blanking press mold is made of a metal. The method according to claim 1,
The cutting steel
And a plurality of bolt holes are formed on both sides of the cutting blade part, wherein the bolt holes are formed on both side edges of the steel block. 3. The method according to claim 1 or 2,
The cutting blade portion
And is formed protruding from both sides with a predetermined thickness. 3. The method according to claim 1 or 2,
The mounting groove
Further comprising a stepped groove for inserting the cutting blade part above and below the inner side surface of the mold. 3. The method according to claim 1 or 2,
The cutting steel
And is fastened through the fastening bolts inserted through the respective through holes from the respective outer sides of the upper cutting die or the lower cutting die. A lower frame is provided on a base, an upper frame is formed on an upper portion of the lower frame, a lower cutting die is formed on one side of the lower frame, an upper cutting die is disposed on an upper portion of the lower cutting die, A blanking cylinder in which a blanking cylinder is installed on an upper plate of the frame in a downward direction and the upper cutting die is provided on the end of an operating rod of the blanking cylinder,
The upper and lower cutting dies
Wherein each of the mounting grooves is formed in a steel block having a rectangular cross section and having a predetermined length, the upper and lower side edges of the upper and lower side edges of the lower cutting metal mold And the bolts are inserted through the through holes from the outer side of the upper cutting metal mold or the lower cutting metal mold, respectively, and the bolts are inserted into the through holes of the upper cutting metal mold or the lower cutting metal mold, A cutting die for a blanking press fastened to a hole. The method according to claim 6,
The cutting blade portion
And is formed protruding from both sides with a predetermined thickness. 8. The method according to claim 6 or 7,
The mounting groove
Further comprising a stepped groove for inserting the cutting blade part above and below the inner side surface of the mold.
KR1020130167843A 2013-12-30 2013-12-30 Cutting block for blanking KR20150078469A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020130167843A KR20150078469A (en) 2013-12-30 2013-12-30 Cutting block for blanking

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020130167843A KR20150078469A (en) 2013-12-30 2013-12-30 Cutting block for blanking

Publications (1)

Publication Number Publication Date
KR20150078469A true KR20150078469A (en) 2015-07-08

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ID=53790994

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020130167843A KR20150078469A (en) 2013-12-30 2013-12-30 Cutting block for blanking

Country Status (1)

Country Link
KR (1) KR20150078469A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110538918A (en) * 2019-08-23 2019-12-06 东莞市鼎通精密五金股份有限公司 Novel terminal material area is cuted mark tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110538918A (en) * 2019-08-23 2019-12-06 东莞市鼎通精密五金股份有限公司 Novel terminal material area is cuted mark tool

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E601 Decision to refuse application