KR20120074159A - Mold for hydro-forming of closed-member and method for manufacturing integration parts using the same, and integration parts - Google Patents
Mold for hydro-forming of closed-member and method for manufacturing integration parts using the same, and integration parts Download PDFInfo
- Publication number
- KR20120074159A KR20120074159A KR1020100136125A KR20100136125A KR20120074159A KR 20120074159 A KR20120074159 A KR 20120074159A KR 1020100136125 A KR1020100136125 A KR 1020100136125A KR 20100136125 A KR20100136125 A KR 20100136125A KR 20120074159 A KR20120074159 A KR 20120074159A
- Authority
- KR
- South Korea
- Prior art keywords
- hydroforming
- mold
- waste material
- hydraulic pressure
- parts
- Prior art date
Links
Images
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
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
- B21D26/045—Closing or sealing means
-
- 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
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
- B21D26/047—Mould construction
-
- 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
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
- B21D26/049—Deforming bodies having a closed end
-
- 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
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
Provided are a mold for hydroforming a waste material, an integrated part manufacturing method using the same, and an automobile part manufactured therefrom.
The hydroforming mold of the waste material includes upper and lower molds into which the waste material is press-fitted, and any one of the upper and lower molds is further provided with an adhesive protrusion integrally provided to enable the hydraulic application of the material. One of the upper and lower molds and the contact protrusion may be provided with a hydraulic pressure application passage communicating with a hydraulic pressure application hole formed in the material.
According to the present invention as described above, it is possible to manufacture one integrated part in which related parts replace subassemblies assembled by one set mechanism (apparatus), thereby improving the assemblability and in particular the assembly dimension by the integrated part. While improving the precision, an improved effect of increasing the durability and productivity of the finished device (apparatus) using the same can be obtained.
Description
The present invention relates to a hydroforming mold of a waste material, a method for manufacturing an integrated part using the same, and an automobile part manufactured therefrom. More particularly, the related parts, such as an automobile suspension, are assembled into one set mechanism (device). It is possible to manufacture an integrated part that replaces the accessory parts, so as to improve the assemblability, in particular to improve the assembly dimensional accuracy by the integrated part, and to increase the durability and productivity of the finished device (device) using the same. It relates to a hydroforming mold of a waste material, an integrated part manufacturing method using the same, and an integrated part.
A motor vehicle is manufactured in order to assemble several set mechanisms (devices) into one complete vehicle, for example, in the case of an automobile suspension, at least four members (parts) are assembled and provided as one set mechanism.
Of course, in the automobile, in addition to the suspension shown in FIG. 1, various related parts, such as a seat frame and an engine cradle, are assembled and provided as a single set mechanism (device). Will produce a finished car.
That is, the set mechanisms which are closely related to each other are assembled to facilitate the assembly of the motor vehicle. In particular, the vehicle body, frame, various supports, and the like are provided as a set mechanism.
For example, in FIG. 1, the
However, the set mechanism in which such accessory parts are provided is assembled, and the unit parts (accessory parts) are likely to be thermally deformed by welding or the like during actual assembly, and the error management between parts must be very precisely and strictly managed, and the process variation There are many difficulties, such as designing for easy compensation.
Therefore, in modern automobiles, research is being conducted to reduce the number of unit parts of the set mechanisms, and in particular, the difference in the electricity consumption according to the weight of the vehicle is severe, which is the case of the electric vehicle body which affects the battery charging time. do.
Of course, in the case of general cars, research is focused on the lightweight structure, since it is related to fuel efficiency, which has the greatest impact on consumers.
On the other hand, hydro-forming to form a material into a desired shape by applying a hydraulic pressure to the tube (material) is known, and in recent years, attention has been focused on the application to automotive parts for lighter parts.
Hydro-Forming, for example, is a special processing method of mechanical sheet metal that is formed at room temperature (10 ° C ~ 30 ° C) and expands the tube (tube) by using hydraulic pressure. Warm hydraulic forming.
This hydroforming technology uses a tube made of a seam welded (or resistance welded) component that is joined by conventional welding, etc., and punches both ends of the tube with a punch seal. It is a technique which raises (water pressure) and shape | molds to a desired form.
In recent years, such a hydroforming technology is typically used in the automotive industry, for example, it is possible to reduce the molding cost and the weight of the press product made of a combination of large and small unit panels, such as front side members, bumpers.
In general, however, the hydroforming is limited to the material of interest in a tube in which a hole for applying hydraulic pressure is formed.
Thus, although each
For example, the material of the closed structure is difficult to apply the hydraulic pressure required for hydroforming.
Accordingly, the various parts provided by the applicant's set mechanism of the present invention are replaced with a replacement of the closed structure (welded pipe material, etc.) and an integrated part is provided through hydroforming, thereby providing the accessory parts of the existing set mechanism with one of the present invention. The present invention has been proposed which makes it possible to replace the integrated parts.
Since the parts of the present invention can replace several existing parts with one integrated part, it has been proposed the present invention that enables the weight of the assembly device (finished car, etc.) in which the parts and parts are assembled above all.
SUMMARY OF THE INVENTION The present invention has been proposed to solve the above-mentioned conventional problems, and an object of the present invention is to manufacture one integrated part by substituting accessory parts assembled with one set mechanism (device), such as a vehicle suspension. To improve the assemblability, and in particular, to improve the assembly dimensional accuracy of the integrated parts, and to increase the durability and productivity of the finished device (apparatus) using the same. A manufacturing method and an integrated component are provided.
As one technical aspect for achieving the above object, the present invention includes an upper and lower mold in which the waste material is press-fitted,
One of the upper and lower molds, further provided with an adhesive protrusion integrally provided to enable the hydraulic pressure of the material,
Any one of the upper and lower molds and the close contact protrusion provides a mold for hydroforming a waste material having a hydraulic pressure application passage communicating with a hydraulic pressure application hole formed in the material.
Preferably, the sealing member is further provided around the contact protrusion of the mold.
More preferably, the upper and lower molds on the opposite side of the close contact protrusion, the exhaust hole formed in the material is formed so as to communicate with the exhaust passage further closed during molding.
In another aspect, the present invention is to prepare a waste material; And,
A hydroforming step of pressing the waste material into the hydroforming mold according to any one of claims 1 to 3 and applying a hydraulic pressure to form the integrated part;
It provides an integrated part manufacturing method using a hydroforming mold of the waste material configured to include.
Preferably, in the initial hydroforming through the hydraulic pressure application of the material, the air in the material is discharged through the hole of the material and the exhaust passage of the mold, and then sealed.
More preferably, prior to hydroforming of the material, a pre-forming step of pre-forming the material.
In addition, as another technical aspect, the present invention provides an integrated part in which waste material provided to be capable of applying hydraulic pressure is formed through hydroforming.
Preferably, the waste material is formed with a hydraulic pressure application hole, the waste material is to be hydroformed using the hydroforming mold.
According to the hydroforming mold of the waste material of the present invention, a method of manufacturing an integrated part using the same, and an integrated part, related parts, such as an automobile suspension, are replaced by an accessory part assembled by one set mechanism (device). It is possible to manufacture an integrated part of the assembly, and to improve the assemblability.
In particular, the present invention improves the assembly dimensional precision by the integrated parts, while also providing the effect of increasing the durability and productivity of the finished device (apparatus) using the same.
1 is a block diagram showing a conventional vehicle suspension that can be replaced with an integrated part through the hydroforming of the present invention
2 is a schematic diagram showing preforming and hydroforming as forming steps of the integral part of the present invention;
3 is a schematic perspective view of the pre-forming state in FIG.
4 is a perspective view illustrating hydroforming of a pre-formed material
Figure 5 is a block diagram showing a hydroforming state of the present invention including the 'A' component in the mold of hydroforming according to the present invention
Figure 6 is a distribution diagram showing the analysis results of the hydroformed integral parts
7A-7C are schematic diagrams showing the possibility of replacing the present invention integrated parts of existing vehicle set mechanisms (parts).
8 is a perspective view illustrating a state in which the parts of the existing seat frame are replaced with the integrated parts of the present invention.
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
First, FIG. 2 illustrates an integrated
That is, as shown in Figure 2, the premise of molding the integrated
At this time, although schematically shown in the drawing, in order to prepare the
Next, as shown in Figure 2, the waste material of the present invention can be prepared first, pre-formed
For example, as shown in FIG. 3, the
This pre-forming will increase the lifespan or durability by avoiding excessive load on the material and mold in one hydroforming process.
At this time, in addition to the upper, lower mold (die) (210) 220 during pre-forming as shown in Figure 3 may be used side-
Next, as shown in FIG. 2, the
In this case, it is important that in the case of the hydro-forming, as described above, the hydraulic pressure (H) must be applied, and in order to apply the hydraulic pressure to the inside of the material of the structure, a hole is formed in the material, and the passage of the passage communicating therewith. Since the coupling is necessary, it is necessary to ensure sealing property when applying a high pressure hydraulic pressure (hydraulic).
Therefore, first, as shown in FIGS. 4 and 5, the
That is, as shown in Figures 4 and 5, the
At this time, in order to apply the hydraulic pressure to the
Preferably, the
That is, the
Therefore, in the mold of the present invention, the
In this case, as shown in FIGS. 4 and 5, the hydraulic pressure is applied to any one of the upper and lower molds, that is, the lower mold and the
Therefore, when the hydraulic pressure H is applied to the material pressed between the upper and lower molds through the punch-> path 350-> adhesive protrusion passage-> material hole h, the hydroforming in the desired shape, that is, FIG. As shown in the distribution diagram, the appropriate integrated parts can be provided.
In addition, although not shown in the drawings by a separate reference, a concave portion in which the material is convex may be formed in the upper mold corresponding to the contact protrusion of the lower mold.
Preferably, as shown in Figure 5, the sealing
Therefore, when hydraulic pressure is applied from the lower
Next, in the
However, the
Of course, although not shown in the drawings, it may be possible to form the close contact portion on the left side in FIG.
Therefore, using the
That is, when the manufacturing step of the
Of course, in the initial stage of hydroforming of the hydraulic pressure of the material, the air in the material is discharged through the hole h 'of the material and the
However, according to the molding structure of the integrated part, as shown in FIG. 3, before the hydroforming of the material, the pre-forming step of pre-forming may be further roughened.
Meanwhile, an application example of an automotive component of the hydroformed
That is, as shown in Figure 7a, in the case of the
Alternatively, in the case of the
While the invention has been shown and described in connection with specific embodiments so far, it will be appreciated that various changes and modifications can be made in the art without departing from the spirit or scope of the invention as set forth in the claims below. It is to be understood that one of ordinary skill can easily know.
100 ....
120 ....
200 ....
310,320 .... upper and
340,350 .... Exhaust and
Claims (8)
One of the upper and lower molds, further provided with an adhesive protrusion integrally provided to enable the hydraulic pressure of the material,
Any one of the upper and lower molds and the close contact protrusion portion is a hydroforming mold of the waste material having a hydraulic pressure application passage communicating with the hydraulic pressure application holes formed in the material.
A mold for hydroforming a waste material, characterized in that a sealing member is additionally provided around the adhesion protrusion of the mold.
A mold for hydroforming a waste material, characterized in that it further comprises an exhaust passage formed in communication with the exhaust hole formed in the material in either of the upper and lower molds on the opposite side of the contact protrusion, and closed during molding.
A hydroforming step of pressing the waste material into the hydroforming mold according to any one of claims 1 to 3 and applying a hydraulic pressure to form the integrated part;
Integrated parts manufacturing method using a hydroforming mold of the waste material comprising a.
In the initial hydroforming through the application of the hydraulic pressure of the material, the air in the material through the exhaust passage of the hole and the mold of the material, characterized in that the sealing after the method of manufacturing an integrated part using the hydroforming mold of the waste material.
A pre-forming step of pre-forming the workpiece before hydroforming the workpiece;
Integrated parts manufacturing method using a hydroforming mold of the waste material further comprising a.
A hydraulic pressure application hole is formed in the waste material, and the waste material is hydroformed using the hydroforming mold according to any one of claims 1 to 3.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100136125A KR101228811B1 (en) | 2010-12-27 | 2010-12-27 | Mold for Hydro-Forming of Closed-Member and Method for Manufacturing Integration Parts using The Same, and Integration Parts |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100136125A KR101228811B1 (en) | 2010-12-27 | 2010-12-27 | Mold for Hydro-Forming of Closed-Member and Method for Manufacturing Integration Parts using The Same, and Integration Parts |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20120074159A true KR20120074159A (en) | 2012-07-05 |
KR101228811B1 KR101228811B1 (en) | 2013-01-31 |
Family
ID=46708413
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020100136125A KR101228811B1 (en) | 2010-12-27 | 2010-12-27 | Mold for Hydro-Forming of Closed-Member and Method for Manufacturing Integration Parts using The Same, and Integration Parts |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR101228811B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104515735A (en) * | 2014-12-31 | 2015-04-15 | 哈尔滨工业大学 | Viscous adhesive force testing device for viscous pressure forming and testing method thereof |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104588440B (en) * | 2014-12-31 | 2016-06-22 | 哈尔滨工业大学 | Non uniform pressure field test device and method of testing thereof in viscous pressure forming |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11156453A (en) * | 1997-11-25 | 1999-06-15 | Nippon Yakin Kogyo Co Ltd | Superplastic forming die and superplastic forming method using it |
KR101028647B1 (en) * | 2003-12-29 | 2011-04-11 | 주식회사 포스코 | Method for manufacturing stainless engine cradle using hydroforming process |
KR100599002B1 (en) * | 2005-05-27 | 2006-07-10 | 현대하이스코 주식회사 | Manufacture method of front side member use of hydroforming |
JP4924222B2 (en) * | 2007-06-08 | 2012-04-25 | 日産自動車株式会社 | Method and apparatus for hydraulic forming of laminated plate material |
-
2010
- 2010-12-27 KR KR1020100136125A patent/KR101228811B1/en active IP Right Grant
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104515735A (en) * | 2014-12-31 | 2015-04-15 | 哈尔滨工业大学 | Viscous adhesive force testing device for viscous pressure forming and testing method thereof |
CN104515735B (en) * | 2014-12-31 | 2017-02-22 | 哈尔滨工业大学 | Viscous adhesive force testing device for viscous pressure forming and testing method thereof |
Also Published As
Publication number | Publication date |
---|---|
KR101228811B1 (en) | 2013-01-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104755793B (en) | Pneumatic cushioning module | |
JP5636031B2 (en) | Method of manufacturing hybrid member of automobile and hybrid member of automobile manufactured by the method | |
EP1792671B1 (en) | Press-formed workpiece with an increased corner portion thickness and apparatus and method for manufacture thereof | |
US7363790B2 (en) | Method for vaccum assisted preforming of superplastically or quick plastically formed article | |
JP2015522448A (en) | Two-blow blow molding hollow box molding method with auxiliary mold | |
US20070057535A1 (en) | Method and device for the production of a component, especially a hybrid component for a crossrail of a vehicle, component and use of said component | |
WO2016078516A1 (en) | Rigid connecting device for connecting upper and lower internal surfaces of oil tank and production method for oil tank | |
JP2009185655A (en) | Method for manufacturing inlet-exhaust valve | |
KR101228811B1 (en) | Mold for Hydro-Forming of Closed-Member and Method for Manufacturing Integration Parts using The Same, and Integration Parts | |
JP4098158B2 (en) | Axle housing and method and apparatus for manufacturing the same | |
CN107931401A (en) | The molding machine and method of a kind of bodywork parts | |
KR20220135608A (en) | Battery case for plug in hybrid vehicle | |
CN207547361U (en) | A kind of molding machine of bodywork parts | |
JP2010023713A (en) | Metallic arm member and manufacturing method thereof | |
CN103272962A (en) | Integral combination multi-time bulging device for automobile drive axle | |
US9849546B2 (en) | Method for manufacturing a hydraulic device | |
CN209454854U (en) | Frame member, integrated doorframe, side wall sub-unit and vehicle | |
JP5466419B2 (en) | Integrated axle housing for automobile and method for manufacturing the same | |
CN202399523U (en) | Plastic fuel tank forming device capable of being internally provided with assembly | |
CN105857404A (en) | Roof segment for a vehicle and method for producing a roof segment | |
JP2000210738A (en) | Structure including press molded article and its production | |
CN201325489Y (en) | Car rear side wall inner board connecting structure | |
JP3839787B2 (en) | Manufacturing method of double wall hollow metal parts | |
CN214384165U (en) | Integral end cone of catalytic converter | |
KR100501579B1 (en) | Method for improving strength of hydroforming products |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20160125 Year of fee payment: 4 |
|
FPAY | Annual fee payment |
Payment date: 20170120 Year of fee payment: 5 |
|
FPAY | Annual fee payment |
Payment date: 20180125 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20190123 Year of fee payment: 7 |