KR20130120187A - Manufacturing method for car hood mounting bracket and its mold - Google Patents
Manufacturing method for car hood mounting bracket and its mold Download PDFInfo
- Publication number
- KR20130120187A KR20130120187A KR1020120043252A KR20120043252A KR20130120187A KR 20130120187 A KR20130120187 A KR 20130120187A KR 1020120043252 A KR1020120043252 A KR 1020120043252A KR 20120043252 A KR20120043252 A KR 20120043252A KR 20130120187 A KR20130120187 A KR 20130120187A
- Authority
- KR
- South Korea
- Prior art keywords
- hood
- hood bracket
- bracket
- mold
- support
- Prior art date
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Classifications
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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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
-
- 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)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Superstructure Of Vehicle (AREA)
Abstract
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing an automobile hood bracket for hinge fixing a hood to a vehicle, and more particularly, to a method for manufacturing an automobile hood bracket having a stopper with a support bar, and a mold thereof.
Automotive hood bracket manufacturing method according to the present invention is a SEMI-PRO process for processing the material into a hood bracket disc integrally of the left hood bracket and the right hood bracket by press-cutting the iron plate raw material ;, the hood passed through the SEMI-PRO process A FORM'G process of primary bending by pressing a bracket disc to a body portion fastened to the body of the vehicle and a support portion supporting a hinge of the hood; forming a body portion and a support portion of the hood bracket through the FORM'G process EMBOSS'G for bending the support bar formed on the same plane as the support part by increasing the dimensional stability of the hood bracket by forming a bent part in the flat part, and forming a reinforcement rib using a press in the bending part that is bent into the body part and the support part. BEND'G process; And drilling a fastening hole using a press in the body of the hood bracket which has undergone the EMBOSS'G / BEND'G process, forming a hinge hole in which the hood is hinged to the support, and forming a pair of left and right hood brackets. It consists of a PIERC'G / PART'G process that separates each of the left hood bracket and the right hood bracket.
Description
BACKGROUND OF THE
In general, the hood that seals the engine room of the vehicle is hinged to the body of the vehicle through the hood bracket.
The vehicle hood bracket as described above has a number of forms, among which a heavy plate such as S.U.V. or R.V.vehicles are used a lot of the
The
The conventional process of manufacturing the
1) SEMI-PRO Process: A process of cutting a flat disc material into the shape of a hood bracket by press cutting.
2) FORM'G process: Bending process of iron plate material cut into plane by press to form body and support part.
3) EMBOSS'G / RESTRIK'G process: Spring back of hood bracket by forming the bent part and reinforcing rib by press molding on the hood bracket which is bent through the FORM'G process. Process to improve the dimensional stability by removing).
4) VERTICAL / SIDE-PIERC'G process: Process to drill fastening hole and hinge hole in body part and support part respectively
5) BEND'G process: Bending of the support bar on the same plane as the hood bracket.
6) PART'G process: A process of separating the left and right brackets into left and right brackets.
1 through six processes such as SEMI-PRO process, FORM'G process, EMBOSS'G / RESTRIK'G process, VERTICAL / SIDE PIERC'G process, BEND'G process and PART'G process A
Since each mold has to be manufactured separately for each of the six processes as described above, there is a problem in that a lot of mold costs are required and a lot of production costs are required.
The present invention has been made in order to solve the above problems, by reducing the manufacturing method produced by six processes to four processes car hood bracket manufacturing method that can significantly reduce the mold manufacturing cost and production cost and It is an object of the present invention to provide the mold.
In addition, it is an object of the present invention to provide a method for manufacturing an automobile hood bracket and a mold thereof, in which the hood bracket produced by the manufacturing method reduced to four processes can maintain high dimensional stability.
In order to achieve the above object, a method for manufacturing a vehicle hood bracket according to the present invention includes a SEMI-PRO process of processing a material into a hood bracket disc in which a left hood bracket and a right hood bracket are integrally formed by press cutting an iron plate raw material; A FORM'G process of first bending a disc of the hood bracket which has been subjected to the SEMI-PRO process to a body part fastened to the body of the vehicle and a support part supporting the hinge of the hood; The bending portion is formed in the flat portion constituting the body portion and the support portion, the reinforcement ribs are formed by using a press in the bending portion bent into the body portion and the support portion to increase the dimensional stability of the hood bracket, and formed on the same plane as the support portion. EMBOSS'G / BEND'G process for bending support bars; And drilling a fastening hole using a press in the body of the hood bracket which has undergone the EMBOSS'G / BEND'G process, forming a hinge hole in which the hood is hinged to the support, and forming a pair of left and right hood brackets. It consists of a PIERC'G / PART'G process that separates each of the left hood bracket and the right hood bracket.
The mold for automobile hood bracket manufacturing according to the present invention is a SEMI-PRO mold which press-cuts an iron plate raw material to process a material into a hood bracket disc in which a left hood bracket and a right hood bracket are integrated; and through the SEMI-PRO mold A FORM'G mold primarily press-molded the processed hood bracket disc to the body of the vehicle and a support portion for supporting the hinge of the hood; a body portion and a support portion of the hood bracket through the FORM'G mold Forming a bent portion in the plane portion constituting the, and by forming a reinforcement rib using a press on the bending portion bent into the body portion and the support portion to increase the dimensional stability of the hood bracket, to bend the support bar formed on the same plane as the support portion EMBOSS'G / BEND'G mold formed with support bar bending space; And a perforator for drilling a fastening hole using a press in the body of the hood bracket processed by the EMBOSS'G / BEND'G mold, and forming a hinge hole in which the hood is hinged to the support. PIERC'G / PART'G mold for separating the pair of hood brackets into the left hood bracket and the right hood bracket, respectively.
The present invention configured as described above can produce a car hood bracket equipped with a support bar through four shortened processes, which can drastically reduce the mold manufacturing cost and the production cost, and maintain high dimensional stability, thereby maintaining the dimensional stability. Can produce
1 is a perspective view of a vehicle hood bracket having a support bar.
Figure 2 is an automobile hood bracket manufacturing process according to the present invention.
Figure 3 is a plan view showing the EMBOSS'G / BEND'G mold of the present invention.
Figure 4 is a side view showing the EMBOSS'G / BEND'G mold of the present invention.
5 is a plan view showing a PIERC'G / PART'G mold of the present invention.
Figure 6 is a side view showing a PIERC'G / PART'G mold of the present invention.
Hereinafter, a method for manufacturing a hood hood bracket and a mold thereof according to the present invention will be described in detail with reference to the accompanying drawings.
1 is a perspective view showing an automotive hood bracket with a support bar, Figure 2 is a manufacturing process diagram of an automobile hood bracket according to the present invention, Figure 3 is a plan view showing an EMBOSS'G / BEND'G mold of the present invention, Figure 4 is a side view showing the EMBOSS'G / BEND'G mold of the present invention, Figure 5 is a plan view showing a PIERC'G / PART'G mold of the present invention, Figure 6 is a PIERC'G / of the present invention Side view showing a PART'G mold.
Automobile hood bracket manufacturing method according to the present invention is composed of SEMI-PRO process, FORM'G process, EMBOSS'G / BEND'G process and PIERC'G / PART'G process as shown in FIG.
1) SEMI-PRO Process
The SEMI-PRO process is a process of cutting a raw plate of automobile in the form of a flat plate into a hood bracket.
As shown in FIG. 3, the
2) FORM'G process
The
The FORM'G process is a process of forming the
3) EMBOSS'G / BEND'G Process
The
In addition, the
EMBOSS'G / BEND'G process is formed by using a press on the
In addition, as described above, the bending portion and the reinforcing
4) PIERC'G / PART'G Process
In PIERC'G / PART'G process, the
Automobile hood bracket manufacturing method of the present invention configured as described above is composed of a total of four processes to reduce the number of processes compared to the conventional hood bracket manufacturing method can significantly reduce the mold manufacturing cost and production cost, while maintaining the dimensional stability of the product Can be.
In six conventional processes, the present invention was reduced to four processes, and then F-TEST and T-TEST were performed using statistical analysis software minitab on 10 pieces of sample data to verify homogeneity of the quality of hood bracket. .
Table 1 below shows the results of analyzing hood bracket data produced through six conventional processes and hood bracket product data produced through four processes of the present invention.
T-TEST is an analysis method that compares the average of two or less populations and is widely used to statistically compare the data of two products. Therefore, T-TEST was compared with product data produced through six conventional processes and product data produced through four processes of the present invention. The results are shown in Table 1 below.
Estimated Difference: 0.00800
95% of difference CI: (-0.01001, 0.02601)
T-test of the difference = 0 (vs not =); T-value = 0,94 P-value = 0.362 DF = 17
Since the P-value is 0.362, which is greater than 0.05, the product quality of
Therefore, the manufacturing method of the vehicle hood bracket of the present invention configured as described above is composed of four processes, which reduces the number of processes compared to the conventional hood bracket manufacturing method, and greatly reduces the mold manufacturing cost and production cost, but also results in dimensional stability of the product. Can be maintained.
Mold for manufacturing a hood hood bracket according to the present invention is the SEMI-PRO mold, FORM'G mold, EMBOSS'G / BEND'G
The SEMI-PRO mold is a mold which press-cuts the raw material of iron plate and processes the material into the
As shown in FIGS. 3 and 4, the EMBOSS'G /
EMBOSS'G /
That is, the EMBOSS'G /
PIERC'G /
According to the present invention configured as described above, the
In the above, the manufacturing method and the mold of the hood hood bracket according to the present invention have been described.
It will be understood by those skilled in the art that the technical features of the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.
Therefore, the above-described embodiments are to be understood in all respects as illustrative and not restrictive, and the scope of the present invention is indicated by the appended claims rather than the foregoing description, and the meanings of the claims and All changes or modifications derived from the scope and the equivalent concept shall be construed as being included in the scope of the present invention.
100: Hood Bracket
100a: Left hood bracket
100b: Right Hood Bracket
101: body
102: fastener
103: support part
104: hinge hole
105: support bar
106: reinforcement rib
130: EMBOSS'G / BEND'G MOLD
131: bending space part
140: PIERC'G / PART'G Mold
Claims (2)
A FORM'G process of first bending the disc of the hood bracket, which has undergone the SEMI-PRO process, into a body part fastened to the body of the vehicle and a support part supporting the hinge of the hood;
The dimensional stability of the hood bracket is formed by forming a bent part on the flat part constituting the body part and the support part of the hood bracket which has undergone the FORM'G process, and forming a reinforcement rib by using a press on the bending part that is bent into the body part and the support part. An EMBOSS'G / BEND'G process of bending a support bar formed on the same plane as the support portion; And
Drill holes in the body of the hood bracket through the EMBOSS'G / BEND'G process using a press, form a hinge hole in which the hood is hinged to the support, and a pair of left and right hood brackets, respectively. Method of manufacturing a car hood bracket, characterized in that consisting of; PIERC'G / PART'G process to separate the left hood bracket and the right hood bracket.
A FORM'G mold for primary bending by pressing a hood bracket disc processed through the SEMI-PRO mold to a body part fastened to the body of the vehicle and a support part supporting a hinge of the hood;
The dimensional stability of the hood bracket is formed by forming a bent portion in the flat portion constituting the body portion and the support portion of the hood bracket passed through the FORM'G mold, and forming a reinforcement rib by using a press in the bending portion that is bent into the body portion and the support portion. An EMBOSS'G / BEND'G mold having a support bar bending space portion formed thereon so as to bend the support bar formed on the same plane as the support portion; And
The EMBOSS'G / BEND'G is provided with a punching hole using a press on the body of the hood bracket processed in the mold, and a perforator for forming a hinge hole in which the hood is hinged to the support, and a pair of left and right Mold for manufacturing a hood hood bracket for a vehicle comprising a; PIERC'G / PART'G mold for separating the hood bracket of the left hood bracket and the right hood bracket.
Priority Applications (1)
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KR1020120043252A KR20130120187A (en) | 2012-04-25 | 2012-04-25 | Manufacturing method for car hood mounting bracket and its mold |
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KR1020120043252A KR20130120187A (en) | 2012-04-25 | 2012-04-25 | Manufacturing method for car hood mounting bracket and its mold |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108772477A (en) * | 2018-06-08 | 2018-11-09 | 天津市天发重型水电设备制造有限公司 | A kind of outer gate barrel barrel pressure molding die of spherical curve rotary structure pattern |
CN109226491A (en) * | 2018-10-17 | 2019-01-18 | 浙江长华汽车零部件股份有限公司 | Efficient stamping parts flange apparatus for turning |
CN110005714A (en) * | 2019-05-07 | 2019-07-12 | 嘉兴联心汽车零部件有限公司 | It is a kind of can fixed rotating shaft punch forming bracket |
KR102191553B1 (en) * | 2020-03-17 | 2020-12-15 | 서인숙 | Method for manufacturing electric steering column lock protection cover of vehicle |
-
2012
- 2012-04-25 KR KR1020120043252A patent/KR20130120187A/en not_active Application Discontinuation
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108772477A (en) * | 2018-06-08 | 2018-11-09 | 天津市天发重型水电设备制造有限公司 | A kind of outer gate barrel barrel pressure molding die of spherical curve rotary structure pattern |
CN109226491A (en) * | 2018-10-17 | 2019-01-18 | 浙江长华汽车零部件股份有限公司 | Efficient stamping parts flange apparatus for turning |
CN109226491B (en) * | 2018-10-17 | 2024-04-09 | 长华控股集团股份有限公司 | Forming method utilizing efficient stamping part flanging turnover device |
CN110005714A (en) * | 2019-05-07 | 2019-07-12 | 嘉兴联心汽车零部件有限公司 | It is a kind of can fixed rotating shaft punch forming bracket |
KR102191553B1 (en) * | 2020-03-17 | 2020-12-15 | 서인숙 | Method for manufacturing electric steering column lock protection cover of vehicle |
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