KR101768936B1 - Press device for car seat frame molding - Google Patents

Press device for car seat frame molding Download PDF

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Publication number
KR101768936B1
KR101768936B1 KR1020150172344A KR20150172344A KR101768936B1 KR 101768936 B1 KR101768936 B1 KR 101768936B1 KR 1020150172344 A KR1020150172344 A KR 1020150172344A KR 20150172344 A KR20150172344 A KR 20150172344A KR 101768936 B1 KR101768936 B1 KR 101768936B1
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KR
South Korea
Prior art keywords
sliding block
die
mold
lower die
molding
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Application number
KR1020150172344A
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Korean (ko)
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KR20170066745A (en
Inventor
임동석
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성일기업(주)
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Priority to KR1020150172344A priority Critical patent/KR101768936B1/en
Publication of KR20170066745A publication Critical patent/KR20170066745A/en
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    • 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
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • 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
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • B21D22/21—Deep-drawing without fixing the border of the blank
    • 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
    • B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
    • B21D24/16—Additional equipment in association with the tools, e.g. for shearing, for trimming
    • 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
    • B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
    • B21D31/02—Stabbing or piercing, e.g. for making sieves

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

A lower die having a protrusion corresponding to the inner shape of the seat frame is mounted on the upper surface of the lower die. The lower die having the first machining hole recessed on the outer surface of the lower die. The lower die is disposed so as to face the lower die. An upper die provided with an upper die having a corresponding insertion portion, an upper die provided on an outer side surface of the upper die for press-molding a molding material supplied between the upper die and the lower die in a state in which a second processing hole is formed through the insertion portion, And a piercing portion for forming a punching hole in a molding material portion to be press-molded in a sheet frame shape while being inserted into the first processing hole through the second processing hole during molding.
As described above, the press apparatus for molding an automobile seat frame press-molds the molding material so as to have a shape corresponding to the shape of the seat frame to be molded through the protruding portion of the lower mold and the insert portion of the upper mold, The punching hole is formed so as to be penetrated, so that the molding work of the automobile seat frame can be easily performed.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a press apparatus, and more particularly, to a press apparatus for molding a seat frame of an automobile.

Generally, automobiles are equipped with front seats and rear seats, and more seats are installed on multi-seats such as RV vehicles. At this time, the seat is made up of a seat cushion which is a part where a passenger sits, and a seat back which is a part expecting the seat cushion, and in some cases, a headrest resting on the head can be pulled out.

A seat frame constituting a skeleton of the seat is provided inside the seat. The seat frame includes a seat cushion frame for mounting the seat cushion and a seat back frame for mounting the seat back .

At this time, the seat back frame is formed in a rectangular frame shape, and includes a pair of left and right side frames arranged opposite to each other in the seat width direction, an upper frame connecting the left and right side frame upper ends, As shown in FIG. The upper frame and the lower frame are formed through press forming so as to have a U-shaped cross section, respectively.

However, in the conventional press apparatus, when the upper frame and the lower frame are formed into a U-shaped section, after one side of the plate-like base material is bent, the worker manually changes the position of the base material and the other side of the base material is bent And therefore, it takes a long time to perform the molding operation.

 Such a press working apparatus for molding a conventional vehicular seat portion is disclosed in Korean Patent Publication No. 10-1365740 (Feb. 14, 2014).

An object of the present invention is to provide a press apparatus for molding an automobile seat frame which can facilitate the molding work of the automobile seat frame and can shorten the working time.

A lower die having a protrusion corresponding to an inner shape of the seat frame is mounted on an upper surface of the lower die, a lower mold having a first machining hole recessed on the outer surface of the lower die, The upper die is provided with an upper die having a second machining hole formed therethrough so as to penetrate through the insert portion. The upper die is provided with an upper portion for press-molding a molding material supplied between the upper die and the lower die, And a piercing portion for forming a punching hole in the molding material portion to be compression-molded into the sheet frame shape while being inserted into the first processing hole through the second processing hole during the compression molding of the molding material, And a press mechanism.

The piercing portion may include a fixed block coupled to the lower surface of the upper mold and a lower block provided on the upper surface of the lower mold so as to be slidable in the direction of the protrusion while being opposed to the fixed block, A sliding block which is pivotally moved in the direction of the protrusion by the fixed block and a sliding block which is connected to the sliding block face portion facing the lower die and which has one end in the longitudinal direction when the sliding block is pushed in the direction of the protrusion, And a punching blade for forming the punching hole while pressing the molding material to be compression-molded while being inserted into the first processing hole through the processing hole.

The punching blade may be coupled to the sliding block so as to be disposed on a straight line passing through the first processing hole and the second processing hole.

In addition, a sliding surface may be formed on the upper surface of the fixed block so as to be inclined to be symmetrical with respect to the pressing surface.

The piercing portion is connected to the sliding block, and when the pivoting force by the fixed block is released while the sliding block is slid by the fixed block, the sliding block slides in the direction opposite to the projection And an elastic member elastically supporting the movable member so that the movable member is returned to its original position.

The press apparatus for molding an automobile seat frame according to the present invention is characterized in that the molding material is compression-molded through a protrusion of a lower mold and an insert of an upper mold so as to have a shape corresponding to the shape of a seat frame to be molded, So that the molding work of the automobile seat frame can be easily performed.

1 is a structural cross-sectional view showing a press apparatus for molding an automobile seat frame according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

1 is a structural cross-sectional view showing a press apparatus for molding an automobile seat frame according to an embodiment of the present invention. Referring to FIG. 1, the automotive seat frame molding press apparatus includes a lower mold 100, an upper mold 200, and a piercing portion 300.

The lower mold 100 is disposed opposite to the upper mold 200 to be described later, and pressurizes the molding material 10 disposed between the upper mold 200 and the lower mold 200. A molding material 10 to be molded into a seat frame of an automobile is seated on the upper mold 100. That is, the lower mold 100 is disposed vertically downward of the upper mold 200, and when the lower mold 200 moves downward, mutually opposed face portions contact with each other to press-mold the molding material 10. Therefore, a lower die 110 having protrusions 120 protruding therefrom is formed on the upper surface of the lower mold 100 so as to have a shape corresponding to the bottom surface shape of the seat frame to be formed.

A first processing hole 130 is formed in the protrusion 120 of the lower mold 100 so as to extend in the horizontal direction, that is, in a direction perpendicular to the direction in which the upper mold 200 is moved up and down. When the punching hole 330 of the piercing portion 300 is formed in the molding material 10 through the punching hole (not shown), the first processing hole 130 is punched by the punching edge 330 Is inserted into the protrusion 120 of the lower mold 100 to enable stable forming of a punching hole in the molding material 10.

A guide rail 140 for slidably guiding the sliding block 320 of the piercing part 300 in the direction of the lower die 110 may be coupled to the upper surface of the lower mold 100 . The guide rail 140 is formed to extend from the outer side of the upper surface of the lower mold 100 toward the inner side of the upper surface of the lower mold 100 where the protrusion 120 of the lower die 110 is located, The sliding block 320 of the unit 300 can slide in the direction of the protrusion 120 of the lower die 110.

The upper mold 200 is arranged to face the lower mold 100. That is, the upper mold 200 is disposed vertically above the lower mold 100 and moves up and down through a driving force generated through a driving means (not shown) The molding material 10 placed on the lower mold 100 is pressed and molded. The lower mold 100 may be formed in a shape such that the molding material 10 can be formed into the seat frame when the lower mold 100 is brought into contact with the lower die 110 of the lower mold 100. [ The upper die 210 having a shape corresponding to the lower die 110 of the lower die 110 is fixedly coupled. At this time, on the bottom surface of the upper die 210, that is, more specifically, a surface portion of the lower die 100 facing the lower die 110, an insertion portion corresponding to the protrusion 120 of the lower die 110, (220) is recessed and formed. When the upper mold 200 moves downward to insert the protrusion 120 of the lower mold 100 into the insertion part 220 of the upper mold 200 as described above, The molding material 10 disposed between the protrusions 120 is formed into the shape of the seat frame.

A second processing hole 230 is formed on the outer surface of the upper mold 200 to be connected to the insertion portion 220. The second processing hole 230 may be formed in the protruding portion 120 of the lower die 110 and the insertion portion 220 of the upper die 210, (130) formed on the first substrate (120). That is, the second processing hole 230 is formed to extend in a direction perpendicular to the direction in which the upper mold 200 is moved up and down. The second processing hole 230 is formed to be connected to the first processing hole 130 as described above so that the molding material 10 is punched by the punching edge 330 of the piercing portion 300, The end of the punching blade 330 is inserted into the first processing hole 130 formed in the upper die 210 of the upper mold 200 to form the molding material 130, So that the punching hole can be formed while punching the punching hole 10.

The upper die 210 and the lower die 110 of the lower mold 200 are brought into contact with each other by the downward movement of the upper mold 200 in the lower mold 100 and the upper mold 200 And a cushion part 400 for absorbing an impact when the molding material 10 is press-molded. One end of the cushion unit 400 is connected to the lower mold 100 and the upper mold 200 respectively and the other ends of the cushion unit 400 are connected to the lower die 110 and the upper die 200, (Not shown). Here, the cushion unit 400 has a damper structure.

The piercing portion 300 allows the punching hole to be formed in the molding material 10 during the press molding of the molding material 10 while the lower mold 100 and the upper mold 200 are in contact with each other . That is, the piercing portion 300 moves the upper mold 200 downward so that the protrusion 120 of the lower die 110 and the inserting portion 220 of the upper die 210 are engaged with each other, When the material 10 is pressed into the first processing hole 130 of the lower die 110 while passing through the second processing hole 230 of the upper die 210 and the molding material 10, So that the punching hole is formed through the molding material 10. The piercing unit 300 includes a fixed block 310, a sliding block 320, and a punching blade 330.

The fixed block 310 is fixedly coupled to the lower surface of the upper mold 200. When the upper mold 200 contacts the sliding block 320 as the lower mold 200 is lowered, the sliding block 320 is moved to the lower side of the lower mold 200, And is pressed to slide on the mold 100 in the direction of the protrusion 120. The fixing block 310 has a pressing surface 311 inclined toward the upper die 210 on the surface of the fixing block 310, more specifically, on the surface of the fixing block 310, which is opposite to the outer surface of the upper die 210. .

The sliding block 320 is slidably installed on the upper surface of the lower mold 100 so that the punching blade 330 is moved while sliding by the fixing block 310. The sliding block 320 is installed on the upper surface of the lower mold 100 so as to be opposed to the fixed block 310. The sliding block 320 is slidably installed on the upper surface of the lower mold 100. The sliding block 320 is slidably mounted on the upper surface of the lower mold 100. More preferably, And is slidably movable from the outer side to the inner side. A guide groove 322 may be formed on the bottom surface of the sliding block 320 so as to be slidably connected to the guide rail 140 on the upper surface of the lower mold 100.

A sliding surface 321 is formed on the upper surface of the sliding block 320, that is, on the surface of the sliding block 320 facing the fixed block 310 so as to be symmetrical with the pressing surface 311 of the fixed block 310, . When the upper mold 200 moves downward and the pressing surface 311 of the sliding block 320 and the sliding surface 321 of the fixed block 310 are in contact with each other The sliding block 320 is moved on the guide rail 140 of the lower mold 100 by the protrusion 120 of the lower die 110, ) Direction.

The punching blade 330 may be formed by the lower die 110 and the upper die 120 when the sliding block 320 is slid toward the lower die 110 by the fixing block 310. [ So that the punching hole is formed in the molding material (10) to be compression-molded. The punching blade 330 is connected to the sliding block 320 of the piercing portion 300 disposed opposite to the outer surface of the protrusion 120 of the lower die 110. At this time, the punching blade 330 is formed by pressing the molding material 10 by the lower die 110 and the upper die 210, And is horizontally arranged and connected to one side of the sliding block 320 so as to be disposed on a straight line passing through the second processing holes of the upper die 210 at the same time. The punching blade 330 may be formed by pressing the molding material 10 by the lower die 110 and the upper die 210 such that the sliding block 320 contacts the protrusions 321 of the lower die 110, When the molding material 10 (10) is press-molded while one end in the length direction of the punching blade 330 is inserted into the first processing hole 130 through the second processing hole 230, So as to form a punching hole.

The piercing portion 300 may be formed in the sliding block 320 by the fixing block 310 when the molding material 10 is formed by the lower mold 100 and the upper mold 200, When the sliding block 320 is released from the guide rail of the lower mold 100 when the pressing force by the fixing block 310 is released in a state in which the sliding block 320 is slid in the direction of the protrusion 120 of the lower die 110, (Not shown) that elastically supports the lower die 100 so that the lower die 110 slides and moves in an outward direction opposite to the inside of the lower mold 100 on which the protrusions 120 of the lower die 110 are disposed. Of course. One end of the elastic member is coupled to the sliding block 320 while the elastic member is disposed between the sliding block 320 and the protrusion 120 of the lower die 110, The elastic member may be fixed to the lower mold 100 so as to be disposed on the outer side of the outer side of the sliding block 320. Alternatively, the lower end of the lower die 100 may be coupled to the protrusion 120 of the lower die 110, It is also possible to connect one end of the elastic member to the sliding block 320 in a connected state.

First, the molding material 10 is sandwiched between the lower mold 100 and the upper mold 200, and the molding material 10 is placed between the lower mold 100 and the upper mold 200. [ The upper mold 200 is moved downward so as to be brought into contact with the lower mold 100.

The molding material 100 is formed by the protrusions 120 formed on the lower die 110 of the lower mold 100 and the inserts 220 formed on the upper die 210 of the upper mold 200. [ So as to have a shape corresponding to the shape of the seat frame to be formed.

At this time, the piercing portion 300 penetrates the molding material 100 through the punching hole. That is, the fixing block 310 coupled to the upper mold 200 according to the downward movement of the upper mold 200 includes the sliding block 140 slidably mounted on the guide rail 140 of the lower mold 100, (Not shown). When the pressing surface 311 of the fixed block 310 is in contact with the sliding surface 321 of the sliding block 320 in an inclined state, the fixing block 310 presses the sliding block 320, The sliding block 320 is slid in the direction of the protrusion 120 of the lower die 110.

When the sliding block 320 slides in the direction of the protrusion 120, the sliding block 320 moves correspondingly to the punching blade 330 connected to the sliding block 320. The end of the punching blade 330 is then pressed through the second processing hole 230 of the upper die 210 between the upper die 210 and the lower die 110, A punching hole is formed in the molding material 10 while being inserted into the first processing hole 130 of the lower die 110.

Thereafter, when the upper mold 200 moves upward, the sliding block 320 slides rearward due to the elastic restoring force of the elastic member 340 so as to return to the original state.

Accordingly, the molding material 10 that has been formed into the shape of the seat frame on the lower mold 100 can be removed.

The press forming apparatus for molding an automobile seat frame according to an embodiment of the present invention is configured to mold the molding material 10 through the protrusions 120 of the lower mold 100 and the inserting portions 220 of the upper mold 200, And the piercing portion 300 is formed in the molding material 10 through the punching hole so that the molding operation of the automobile seat frame can be facilitated .

When the upper mold 720 of the pressing block 700 comes into contact with the lower mold 110 of the lower table 100 to press the object to be processed and the cushion part 800 absorbs the pressing reaction force So that vibration is reduced.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

100: lower mold 110: lower die
120: protrusion 130: first machining hole
140: guide rail 200: upper mold
210: upper die 220:
230: second machining hole 240: cushion part
300: Piercing part 310: Fixed block
320: Sliding block 330: Punching blade
400: Cushion part

Claims (5)

A lower mold having a protrusion corresponding to an inner shape of the seat frame is mounted on an upper surface of the lower die;
And an upper die having an insertion portion corresponding to the protrusion is provided on a lower surface of the upper die and a second processing hole is formed on an outer side surface of the upper die to penetrate the insertion portion, An upper mold for press-molding a molding material supplied between the upper mold and the lower mold; And
A piercing portion for forming a punching hole in the molding material portion to be press-molded into the sheet frame while being inserted into the first processing hole through the second processing hole during the compression molding of the molding material; And
The upper die and the lower die of the lower die are brought into contact with each other by connecting the lower die and the upper die, And a cushion portion for absorbing impact when the molding material is press-molded,
A guide rail is formed on an outer side of the upper mold surface so as to extend in a direction toward an inner side of a top surface of a lower mold where protrusions of the lower die are located and a guide groove slidably connected to the guide rail is formed in the piercing portion, Wherein the piercing portion is precisely inserted into the first machining hole and the second machining hole while being moved in the direction of the protrusion of the lower die during the press-forming of the workpiece. The method according to claim 1,
The piercing portion includes:
A fixed block coupled to the lower surface of the upper mold,
The guide groove is formed on the upper surface of the lower mold so as to be slidable in the direction of the protrusion while being arranged to face the fixed block, and at the time of press molding of the molding material, A moving sliding block,
Wherein the sliding block is connected to the sliding block surface portion facing the lower die and is configured such that, when the sliding block is pushed in the direction of the projection, one end in the longitudinal direction is inserted into the first processing hole through the second processing hole, And a punching blade for pressing the punching hole to form the punching hole. The method of claim 2,
And the punching blade is connected to the sliding block so as to be disposed on a straight line passing through the first machining hole and the second machining hole. The method of claim 2,
A pressing surface inclined in the direction of the upper die is formed on a surface portion of the fixed block facing the upper die,
Wherein a sliding surface is formed on an upper surface of the sliding block so as to be inclined to be symmetrical with respect to the pressing surface. The method of claim 2,
The piercing portion includes:
When the sliding block is slid by the fixed block and the pressing force by the fixed block is released, the sliding block slides in the opposite direction of the protrusion so that the sliding block is returned to its original position A press apparatus for molding a car seat frame, further comprising an elastic member for elastically supporting the elastic member.


KR1020150172344A 2015-12-04 2015-12-04 Press device for car seat frame molding KR101768936B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150172344A KR101768936B1 (en) 2015-12-04 2015-12-04 Press device for car seat frame molding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150172344A KR101768936B1 (en) 2015-12-04 2015-12-04 Press device for car seat frame molding

Publications (2)

Publication Number Publication Date
KR20170066745A KR20170066745A (en) 2017-06-15
KR101768936B1 true KR101768936B1 (en) 2017-08-21

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Application Number Title Priority Date Filing Date
KR1020150172344A KR101768936B1 (en) 2015-12-04 2015-12-04 Press device for car seat frame molding

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102069380B1 (en) 2019-07-23 2020-01-22 주식회사이씨오 Apparatus for pressing a book and system using the same
KR102081949B1 (en) * 2019-09-09 2020-02-26 임병만 Horizontal bidirectional punching apparatus and punching method using the same
KR102250911B1 (en) 2020-12-11 2021-05-12 주식회사이씨오 Book loan return system that can be sterilized with books

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